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Filename : fullcalender.js
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/*!
FullCalendar v5.11.3
Docs & License: https://fullcalendar.io/
(c) 2022 Adam Shaw
*/
var FullCalendar = (function (exports) {
  'use strict';

  /*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */
  /* global Reflect, Promise */

  var extendStatics = function (d, b) {
    extendStatics =
      Object.setPrototypeOf ||
      ({ __proto__: [] } instanceof Array &&
        function (d, b) {
          d.__proto__ = b;
        }) ||
      function (d, b) {
        for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];
      };
    return extendStatics(d, b);
  };

  function __extends(d, b) {
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    extendStatics(d, b);
    function __() {
      this.constructor = d;
    }
    d.prototype = b === null ? Object.create(b) : ((__.prototype = b.prototype), new __());
  }

  var __assign = function () {
    __assign =
      Object.assign ||
      function __assign(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
          s = arguments[i];
          for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
        }
        return t;
      };
    return __assign.apply(this, arguments);
  };

  function __spreadArray(to, from, pack) {
    if (pack || arguments.length === 2)
      for (var i = 0, l = from.length, ar; i < l; i++) {
        if (ar || !(i in from)) {
          if (!ar) ar = Array.prototype.slice.call(from, 0, i);
          ar[i] = from[i];
        }
      }
    return to.concat(ar || from);
  }

  var n,
    u,
    i$1,
    t,
    o,
    r$1 = {},
    f$1 = [],
    e$1 = /acit|ex(?:s|g|n|p|$)|rph|grid|ows|mnc|ntw|ine[ch]|zoo|^ord|itera/i;
  function c$1(n, l) {
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    return n;
  }
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    return null != n.vnode && n.vnode(r), r;
  }
  function h() {
    return { current: null };
  }
  function y(n) {
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  }
  function p(n, l) {
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    n.__c = n.__();
  }

  function C(n, t) {
    for (var e in t) n[e] = t[e];
    return n;
  }
  function S(n, t) {
    for (var e in n) if ('__source' !== e && !(e in t)) return !0;
    for (var r in t) if ('__source' !== r && n[r] !== t[r]) return !0;
    return !1;
  }
  function E(n) {
    this.props = n;
  }
  ((E.prototype = new p()).isPureReactComponent = !0),
    (E.prototype.shouldComponentUpdate = function (n, t) {
      return S(this.props, n) || S(this.state, t);
    });
  var w = n.__b;
  n.__b = function (n) {
    n.type && n.type.__f && n.ref && ((n.props.ref = n.ref), (n.ref = null)), w && w(n);
  };
  var A = n.__e;
  n.__e = function (n, t, e) {
    if (n.then) for (var r, u = t; (u = u.__); ) if ((r = u.__c) && r.__c) return null == t.__e && ((t.__e = e.__e), (t.__k = e.__k)), r.__c(n, t);
    A(n, t, e);
  };
  var O = n.unmount;
  function L() {
    (this.__u = 0), (this.t = null), (this.__b = null);
  }
  function U(n) {
    var t = n.__.__c;
    return t && t.__e && t.__e(n);
  }
  function F() {
    (this.u = null), (this.o = null);
  }
  (n.unmount = function (n) {
    var t = n.__c;
    t && t.__R && t.__R(), t && !0 === n.__h && (n.type = null), O && O(n);
  }),
    ((L.prototype = new p()).__c = function (n, t) {
      var e = t.__c,
        r = this;
      null == r.t && (r.t = []), r.t.push(e);
      var u = U(r.__v),
        o = !1,
        i = function () {
          o || ((o = !0), (e.__R = null), u ? u(l) : l());
        };
      e.__R = i;
      var l = function () {
          if (!--r.__u) {
            if (r.state.__e) {
              var n = r.state.__e;
              r.__v.__k[0] = (function n(t, e, r) {
                return (
                  t &&
                    ((t.__v = null),
                    (t.__k =
                      t.__k &&
                      t.__k.map(function (t) {
                        return n(t, e, r);
                      })),
                    t.__c && t.__c.__P === e && (t.__e && r.insertBefore(t.__e, t.__d), (t.__c.__e = !0), (t.__c.__P = r))),
                  t
                );
              })(n, n.__c.__P, n.__c.__O);
            }
            var t;
            for (r.setState({ __e: (r.__b = null) }); (t = r.t.pop()); ) t.forceUpdate();
          }
        },
        f = !0 === t.__h;
      r.__u++ || f || r.setState({ __e: (r.__b = r.__v.__k[0]) }), n.then(i, i);
    }),
    (L.prototype.componentWillUnmount = function () {
      this.t = [];
    }),
    (L.prototype.render = function (n, t) {
      if (this.__b) {
        if (this.__v.__k) {
          var e = document.createElement('div'),
            r = this.__v.__k[0].__c;
          this.__v.__k[0] = (function n(t, e, r) {
            return (
              t &&
                (t.__c &&
                  t.__c.__H &&
                  (t.__c.__H.__.forEach(function (n) {
                    'function' == typeof n.__c && n.__c();
                  }),
                  (t.__c.__H = null)),
                null != (t = C({}, t)).__c && (t.__c.__P === r && (t.__c.__P = e), (t.__c = null)),
                (t.__k =
                  t.__k &&
                  t.__k.map(function (t) {
                    return n(t, e, r);
                  }))),
              t
            );
          })(this.__b, e, (r.__O = r.__P));
        }
        this.__b = null;
      }
      var u = t.__e && a$1(y, null, n.fallback);
      return u && (u.__h = null), [a$1(y, null, t.__e ? null : n.children), u];
    });
  var M = function (n, t, e) {
    if ((++e[1] === e[0] && n.o.delete(t), n.props.revealOrder && ('t' !== n.props.revealOrder[0] || !n.o.size)))
      for (e = n.u; e; ) {
        for (; e.length > 3; ) e.pop()();
        if (e[1] < e[0]) break;
        n.u = e = e[2];
      }
  };
  function T(n) {
    return (
      (this.getChildContext = function () {
        return n.context;
      }),
      n.children
    );
  }
  function j(n) {
    var t = this,
      e = n.i;
    (t.componentWillUnmount = function () {
      N(null, t.l), (t.l = null), (t.i = null);
    }),
      t.i && t.i !== e && t.componentWillUnmount(),
      n.__v
        ? (t.l ||
            ((t.i = e),
            (t.l = {
              nodeType: 1,
              parentNode: e,
              childNodes: [],
              appendChild: function (n) {
                this.childNodes.push(n), t.i.appendChild(n);
              },
              insertBefore: function (n, e) {
                this.childNodes.push(n), t.i.appendChild(n);
              },
              removeChild: function (n) {
                this.childNodes.splice(this.childNodes.indexOf(n) >>> 1, 1), t.i.removeChild(n);
              },
            })),
          N(a$1(T, { context: t.context }, n.__v), t.l))
        : t.l && t.componentWillUnmount();
  }
  function I(n, t) {
    return a$1(j, { __v: n, i: t });
  }
  ((F.prototype = new p()).__e = function (n) {
    var t = this,
      e = U(t.__v),
      r = t.o.get(n);
    return (
      r[0]++,
      function (u) {
        var o = function () {
          t.props.revealOrder ? (r.push(u), M(t, n, r)) : u();
        };
        e ? e(o) : o();
      }
    );
  }),
    (F.prototype.render = function (n) {
      (this.u = null), (this.o = new Map());
      var t = w$1(n.children);
      n.revealOrder && 'b' === n.revealOrder[0] && t.reverse();
      for (var e = t.length; e--; ) this.o.set(t[e], (this.u = [1, 0, this.u]));
      return n.children;
    }),
    (F.prototype.componentDidUpdate = F.prototype.componentDidMount =
      function () {
        var n = this;
        this.o.forEach(function (t, e) {
          M(n, e, t);
        });
      });
  var W = ('undefined' != typeof Symbol && Symbol.for && Symbol.for('react.element')) || 60103,
    P =
      /^(?:accent|alignment|arabic|baseline|cap|clip(?!PathU)|color|fill|flood|font|glyph(?!R)|horiz|marker(?!H|W|U)|overline|paint|stop|strikethrough|stroke|text(?!L)|underline|unicode|units|v|vector|vert|word|writing|x(?!C))[A-Z]/,
    V = function (n) {
      return ('undefined' != typeof Symbol && 'symbol' == typeof Symbol() ? /fil|che|rad/i : /fil|che|ra/i).test(n);
    };
  (p.prototype.isReactComponent = {}),
    ['componentWillMount', 'componentWillReceiveProps', 'componentWillUpdate'].forEach(function (n) {
      Object.defineProperty(p.prototype, n, {
        configurable: !0,
        get: function () {
          return this['UNSAFE_' + n];
        },
        set: function (t) {
          Object.defineProperty(this, n, { configurable: !0, writable: !0, value: t });
        },
      });
    });
  var H = n.event;
  function Z() {}
  function Y() {
    return this.cancelBubble;
  }
  function $() {
    return this.defaultPrevented;
  }
  n.event = function (n) {
    return H && (n = H(n)), (n.persist = Z), (n.isPropagationStopped = Y), (n.isDefaultPrevented = $), (n.nativeEvent = n);
  };
  var G = {
      configurable: !0,
      get: function () {
        return this.class;
      },
    },
    J = n.vnode;
  n.vnode = function (n) {
    var t = n.type,
      e = n.props,
      r = e;
    if ('string' == typeof t) {
      for (var u in ((r = {}), e)) {
        var o = e[u];
        ('value' === u && 'defaultValue' in e && null == o) ||
          ('defaultValue' === u && 'value' in e && null == e.value
            ? (u = 'value')
            : 'download' === u && !0 === o
            ? (o = '')
            : /ondoubleclick/i.test(u)
            ? (u = 'ondblclick')
            : /^onchange(textarea|input)/i.test(u + t) && !V(e.type)
            ? (u = 'oninput')
            : /^on(Ani|Tra|Tou|BeforeInp)/.test(u)
            ? (u = u.toLowerCase())
            : P.test(u)
            ? (u = u.replace(/[A-Z0-9]/, '-$&').toLowerCase())
            : null === o && (o = void 0),
          (r[u] = o));
      }
      'select' == t &&
        r.multiple &&
        Array.isArray(r.value) &&
        (r.value = w$1(e.children).forEach(function (n) {
          n.props.selected = -1 != r.value.indexOf(n.props.value);
        })),
        'select' == t &&
          null != r.defaultValue &&
          (r.value = w$1(e.children).forEach(function (n) {
            n.props.selected = r.multiple ? -1 != r.defaultValue.indexOf(n.props.value) : r.defaultValue == n.props.value;
          })),
        (n.props = r);
    }
    t && e.class != e.className && ((G.enumerable = 'className' in e), null != e.className && (r.class = e.className), Object.defineProperty(r, 'className', G)), (n.$$typeof = W), J && J(n);
  };
  var K = n.__r;
  n.__r = function (n) {
    K && K(n);
  };
  'object' == typeof performance && 'function' == typeof performance.now
    ? performance.now.bind(performance)
    : function () {
        return Date.now();
      };

  var globalObj = typeof globalThis !== 'undefined' ? globalThis : window; // // TODO: streamline when killing IE11 support
  if (globalObj.FullCalendarVDom) {
    console.warn('FullCalendar VDOM already loaded');
  } else {
    globalObj.FullCalendarVDom = {
      Component: p,
      createElement: a$1,
      render: N,
      createRef: h,
      Fragment: y,
      createContext: createContext$1,
      createPortal: I,
      flushSync: flushSync$1,
      unmountComponentAtNode: unmountComponentAtNode$1,
    };
  }
  // HACKS...
  // TODO: lock version
  // TODO: link gh issues
  function flushSync$1(runBeforeFlush) {
    runBeforeFlush();
    var oldDebounceRendering = n.debounceRendering; // orig
    var callbackQ = [];
    function execCallbackSync(callback) {
      callbackQ.push(callback);
    }
    n.debounceRendering = execCallbackSync;
    N(a$1(FakeComponent, {}), document.createElement('div'));
    while (callbackQ.length) {
      callbackQ.shift()();
    }
    n.debounceRendering = oldDebounceRendering;
  }
  var FakeComponent = /** @class */ (function (_super) {
    __extends(FakeComponent, _super);
    function FakeComponent() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    FakeComponent.prototype.render = function () {
      return a$1('div', {});
    };
    FakeComponent.prototype.componentDidMount = function () {
      this.setState({});
    };
    return FakeComponent;
  })(p);
  function createContext$1(defaultValue) {
    var ContextType = q(defaultValue);
    var origProvider = ContextType.Provider;
    ContextType.Provider = function () {
      var _this = this;
      var isNew = !this.getChildContext;
      var children = origProvider.apply(this, arguments); // eslint-disable-line prefer-rest-params
      if (isNew) {
        var subs_1 = [];
        this.shouldComponentUpdate = function (_props) {
          if (_this.props.value !== _props.value) {
            subs_1.forEach(function (c) {
              c.context = _props.value;
              c.forceUpdate();
            });
          }
        };
        this.sub = function (c) {
          subs_1.push(c);
          var old = c.componentWillUnmount;
          c.componentWillUnmount = function () {
            subs_1.splice(subs_1.indexOf(c), 1);
            old && old.call(c);
          };
        };
      }
      return children;
    };
    return ContextType;
  }
  function unmountComponentAtNode$1(node) {
    N(null, node);
  }

  // no public types yet. when there are, export from:
  // import {} from './api-type-deps'
  var EventSourceApi = /** @class */ (function () {
    function EventSourceApi(context, internalEventSource) {
      this.context = context;
      this.internalEventSource = internalEventSource;
    }
    EventSourceApi.prototype.remove = function () {
      this.context.dispatch({
        type: 'REMOVE_EVENT_SOURCE',
        sourceId: this.internalEventSource.sourceId,
      });
    };
    EventSourceApi.prototype.refetch = function () {
      this.context.dispatch({
        type: 'FETCH_EVENT_SOURCES',
        sourceIds: [this.internalEventSource.sourceId],
        isRefetch: true,
      });
    };
    Object.defineProperty(EventSourceApi.prototype, 'id', {
      get: function () {
        return this.internalEventSource.publicId;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventSourceApi.prototype, 'url', {
      get: function () {
        return this.internalEventSource.meta.url;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventSourceApi.prototype, 'format', {
      get: function () {
        return this.internalEventSource.meta.format; // TODO: bad. not guaranteed
      },
      enumerable: false,
      configurable: true,
    });
    return EventSourceApi;
  })();

  function removeElement(el) {
    if (el.parentNode) {
      el.parentNode.removeChild(el);
    }
  }
  // Querying
  // ----------------------------------------------------------------------------------------------------------------
  function elementClosest(el, selector) {
    if (el.closest) {
      return el.closest(selector);
      // really bad fallback for IE
      // from https://developer.mozilla.org/en-US/docs/Web/API/Element/closest
    }
    if (!document.documentElement.contains(el)) {
      return null;
    }
    do {
      if (elementMatches(el, selector)) {
        return el;
      }
      el = el.parentElement || el.parentNode;
    } while (el !== null && el.nodeType === 1);
    return null;
  }
  function elementMatches(el, selector) {
    var method = el.matches || el.matchesSelector || el.msMatchesSelector;
    return method.call(el, selector);
  }
  // accepts multiple subject els
  // returns a real array. good for methods like forEach
  // TODO: accept the document
  function findElements(container, selector) {
    var containers = container instanceof HTMLElement ? [container] : container;
    var allMatches = [];
    for (var i = 0; i < containers.length; i += 1) {
      var matches = containers[i].querySelectorAll(selector);
      for (var j = 0; j < matches.length; j += 1) {
        allMatches.push(matches[j]);
      }
    }
    return allMatches;
  }
  // accepts multiple subject els
  // only queries direct child elements // TODO: rename to findDirectChildren!
  function findDirectChildren(parent, selector) {
    var parents = parent instanceof HTMLElement ? [parent] : parent;
    var allMatches = [];
    for (var i = 0; i < parents.length; i += 1) {
      var childNodes = parents[i].children; // only ever elements
      for (var j = 0; j < childNodes.length; j += 1) {
        var childNode = childNodes[j];
        if (!selector || elementMatches(childNode, selector)) {
          allMatches.push(childNode);
        }
      }
    }
    return allMatches;
  }
  // Style
  // ----------------------------------------------------------------------------------------------------------------
  var PIXEL_PROP_RE = /(top|left|right|bottom|width|height)$/i;
  function applyStyle(el, props) {
    for (var propName in props) {
      applyStyleProp(el, propName, props[propName]);
    }
  }
  function applyStyleProp(el, name, val) {
    if (val == null) {
      el.style[name] = '';
    } else if (typeof val === 'number' && PIXEL_PROP_RE.test(name)) {
      el.style[name] = val + 'px';
    } else {
      el.style[name] = val;
    }
  }
  // Event Handling
  // ----------------------------------------------------------------------------------------------------------------
  // if intercepting bubbled events at the document/window/body level,
  // and want to see originating element (the 'target'), use this util instead
  // of `ev.target` because it goes within web-component boundaries.
  function getEventTargetViaRoot(ev) {
    var _a, _b;
    return (_b = (_a = ev.composedPath) === null || _a === void 0 ? void 0 : _a.call(ev)[0]) !== null && _b !== void 0 ? _b : ev.target;
  }
  // Shadow DOM consuderations
  // ----------------------------------------------------------------------------------------------------------------
  function getElRoot(el) {
    return el.getRootNode ? el.getRootNode() : document;
  }
  // Unique ID for DOM attribute
  var guid$1 = 0;
  function getUniqueDomId() {
    guid$1 += 1;
    return 'fc-dom-' + guid$1;
  }

  // Stops a mouse/touch event from doing it's native browser action
  function preventDefault(ev) {
    ev.preventDefault();
  }
  // Event Delegation
  // ----------------------------------------------------------------------------------------------------------------
  function buildDelegationHandler(selector, handler) {
    return function (ev) {
      var matchedChild = elementClosest(ev.target, selector);

      if (matchedChild) {
        handler.call(matchedChild, ev, matchedChild);
      }
    };
  }
  function listenBySelector(container, eventType, selector, handler) {
    var attachedHandler = buildDelegationHandler(selector, handler);
    container.addEventListener(eventType, attachedHandler);
    return function () {
      container.removeEventListener(eventType, attachedHandler);
    };
  }
  function listenToHoverBySelector(container, selector, onMouseEnter, onMouseLeave) {
    var currentMatchedChild;
    return listenBySelector(container, 'mouseover', selector, function (mouseOverEv, matchedChild) {
      if (matchedChild !== currentMatchedChild) {
        currentMatchedChild = matchedChild;
        onMouseEnter(mouseOverEv, matchedChild);
        var realOnMouseLeave_1 = function (mouseLeaveEv) {
          currentMatchedChild = null;
          onMouseLeave(mouseLeaveEv, matchedChild);
          matchedChild.removeEventListener('mouseleave', realOnMouseLeave_1);
        };
        // listen to the next mouseleave, and then unattach
        matchedChild.addEventListener('mouseleave', realOnMouseLeave_1);
      }
    });
  }
  // Animation
  // ----------------------------------------------------------------------------------------------------------------
  var transitionEventNames = ['webkitTransitionEnd', 'otransitionend', 'oTransitionEnd', 'msTransitionEnd', 'transitionend'];
  // triggered only when the next single subsequent transition finishes
  function whenTransitionDone(el, callback) {
    var realCallback = function (ev) {
      callback(ev);
      transitionEventNames.forEach(function (eventName) {
        el.removeEventListener(eventName, realCallback);
      });
    };
    transitionEventNames.forEach(function (eventName) {
      el.addEventListener(eventName, realCallback); // cross-browser way to determine when the transition finishes
    });
  }
  // ARIA workarounds
  // ----------------------------------------------------------------------------------------------------------------
  function createAriaClickAttrs(handler) {
    return __assign({ onClick: handler }, createAriaKeyboardAttrs(handler));
  }
  function createAriaKeyboardAttrs(handler) {
    return {
      tabIndex: 0,
      onKeyDown: function (ev) {
        if (ev.key === 'Enter' || ev.key === ' ') {
          handler(ev);
          ev.preventDefault(); // if space, don't scroll down page
        }
      },
    };
  }

  var guidNumber = 0;
  function guid() {
    guidNumber += 1;
    return String(guidNumber);
  }
  /* FullCalendar-specific DOM Utilities
    ----------------------------------------------------------------------------------------------------------------------*/
  // Make the mouse cursor express that an event is not allowed in the current area
  function disableCursor() {
    document.body.classList.add('fc-not-allowed');
  }
  // Returns the mouse cursor to its original look
  function enableCursor() {
    document.body.classList.remove('fc-not-allowed');
  }
  /* Selection
    ----------------------------------------------------------------------------------------------------------------------*/
  function preventSelection(el) {
    el.classList.add('fc-unselectable');
    el.addEventListener('selectstart', preventDefault);
  }
  function allowSelection(el) {
    el.classList.remove('fc-unselectable');
    el.removeEventListener('selectstart', preventDefault);
  }
  /* Context Menu
    ----------------------------------------------------------------------------------------------------------------------*/
  function preventContextMenu(el) {
    el.addEventListener('contextmenu', preventDefault);
  }
  function allowContextMenu(el) {
    el.removeEventListener('contextmenu', preventDefault);
  }
  function parseFieldSpecs(input) {
    var specs = [];
    var tokens = [];
    var i;
    var token;
    if (typeof input === 'string') {
      tokens = input.split(/\s*,\s*/);
    } else if (typeof input === 'function') {
      tokens = [input];
    } else if (Array.isArray(input)) {
      tokens = input;
    }
    for (i = 0; i < tokens.length; i += 1) {
      token = tokens[i];
      if (typeof token === 'string') {
        specs.push(token.charAt(0) === '-' ? { field: token.substring(1), order: -1 } : { field: token, order: 1 });
      } else if (typeof token === 'function') {
        specs.push({ func: token });
      }
    }
    return specs;
  }
  function compareByFieldSpecs(obj0, obj1, fieldSpecs) {
    var i;
    var cmp;
    for (i = 0; i < fieldSpecs.length; i += 1) {
      cmp = compareByFieldSpec(obj0, obj1, fieldSpecs[i]);
      if (cmp) {
        return cmp;
      }
    }
    return 0;
  }
  function compareByFieldSpec(obj0, obj1, fieldSpec) {
    if (fieldSpec.func) {
      return fieldSpec.func(obj0, obj1);
    }
    return flexibleCompare(obj0[fieldSpec.field], obj1[fieldSpec.field]) * (fieldSpec.order || 1);
  }
  function flexibleCompare(a, b) {
    if (!a && !b) {
      return 0;
    }
    if (b == null) {
      return -1;
    }
    if (a == null) {
      return 1;
    }
    if (typeof a === 'string' || typeof b === 'string') {
      return String(a).localeCompare(String(b));
    }
    return a - b;
  }
  /* String Utilities
    ----------------------------------------------------------------------------------------------------------------------*/
  function padStart(val, len) {
    var s = String(val);
    return '000'.substr(0, len - s.length) + s;
  }
  function formatWithOrdinals(formatter, args, fallbackText) {
    if (typeof formatter === 'function') {
      return formatter.apply(void 0, args);
    }
    if (typeof formatter === 'string') {
      // non-blank string
      return args.reduce(function (str, arg, index) {
        return str.replace('$' + index, arg || '');
      }, formatter);
    }
    return fallbackText;
  }
  /* Number Utilities
    ----------------------------------------------------------------------------------------------------------------------*/
  function compareNumbers(a, b) {
    return a - b;
  }
  function isInt(n) {
    return n % 1 === 0;
  }
  /* FC-specific DOM dimension stuff
    ----------------------------------------------------------------------------------------------------------------------*/
  function computeSmallestCellWidth(cellEl) {
    var allWidthEl = cellEl.querySelector('.fc-scrollgrid-shrink-frame');
    var contentWidthEl = cellEl.querySelector('.fc-scrollgrid-shrink-cushion');
    if (!allWidthEl) {
      throw new Error('needs fc-scrollgrid-shrink-frame className'); // TODO: use const
    }
    if (!contentWidthEl) {
      throw new Error('needs fc-scrollgrid-shrink-cushion className');
    }
    return (
      cellEl.getBoundingClientRect().width -
      allWidthEl.getBoundingClientRect().width + // the cell padding+border
      contentWidthEl.getBoundingClientRect().width
    );
  }

  var DAY_IDS = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'];
  // Adding
  function addWeeks(m, n) {
    var a = dateToUtcArray(m);
    a[2] += n * 7;
    return arrayToUtcDate(a);
  }
  function addDays(m, n) {
    var a = dateToUtcArray(m);
    a[2] += n;
    return arrayToUtcDate(a);
  }
  function addMs(m, n) {
    var a = dateToUtcArray(m);
    a[6] += n;
    return arrayToUtcDate(a);
  }
  // Diffing (all return floats)
  // TODO: why not use ranges?
  function diffWeeks(m0, m1) {
    return diffDays(m0, m1) / 7;
  }
  function diffDays(m0, m1) {
    return (m1.valueOf() - m0.valueOf()) / (1000 * 60 * 60 * 24);
  }
  function diffHours(m0, m1) {
    return (m1.valueOf() - m0.valueOf()) / (1000 * 60 * 60);
  }
  function diffMinutes(m0, m1) {
    return (m1.valueOf() - m0.valueOf()) / (1000 * 60);
  }
  function diffSeconds(m0, m1) {
    return (m1.valueOf() - m0.valueOf()) / 1000;
  }
  function diffDayAndTime(m0, m1) {
    var m0day = startOfDay(m0);
    var m1day = startOfDay(m1);
    return {
      years: 0,
      months: 0,
      days: Math.round(diffDays(m0day, m1day)),
      milliseconds: m1.valueOf() - m1day.valueOf() - (m0.valueOf() - m0day.valueOf()),
    };
  }
  // Diffing Whole Units
  function diffWholeWeeks(m0, m1) {
    var d = diffWholeDays(m0, m1);
    if (d !== null && d % 7 === 0) {
      return d / 7;
    }
    return null;
  }
  function diffWholeDays(m0, m1) {
    if (timeAsMs(m0) === timeAsMs(m1)) {
      return Math.round(diffDays(m0, m1));
    }
    return null;
  }
  // Start-Of
  function startOfDay(m) {
    return arrayToUtcDate([m.getUTCFullYear(), m.getUTCMonth(), m.getUTCDate()]);
  }
  function startOfHour(m) {
    return arrayToUtcDate([m.getUTCFullYear(), m.getUTCMonth(), m.getUTCDate(), m.getUTCHours()]);
  }
  function startOfMinute(m) {
    return arrayToUtcDate([m.getUTCFullYear(), m.getUTCMonth(), m.getUTCDate(), m.getUTCHours(), m.getUTCMinutes()]);
  }
  function startOfSecond(m) {
    return arrayToUtcDate([m.getUTCFullYear(), m.getUTCMonth(), m.getUTCDate(), m.getUTCHours(), m.getUTCMinutes(), m.getUTCSeconds()]);
  }
  // Week Computation
  function weekOfYear(marker, dow, doy) {
    var y = marker.getUTCFullYear();
    var w = weekOfGivenYear(marker, y, dow, doy);
    if (w < 1) {
      return weekOfGivenYear(marker, y - 1, dow, doy);
    }
    var nextW = weekOfGivenYear(marker, y + 1, dow, doy);
    if (nextW >= 1) {
      return Math.min(w, nextW);
    }
    return w;
  }
  function weekOfGivenYear(marker, year, dow, doy) {
    var firstWeekStart = arrayToUtcDate([year, 0, 1 + firstWeekOffset(year, dow, doy)]);
    var dayStart = startOfDay(marker);
    var days = Math.round(diffDays(firstWeekStart, dayStart));
    return Math.floor(days / 7) + 1; // zero-indexed
  }
  // start-of-first-week - start-of-year
  function firstWeekOffset(year, dow, doy) {
    // first-week day -- which january is always in the first week (4 for iso, 1 for other)
    var fwd = 7 + dow - doy;
    // first-week day local weekday -- which local weekday is fwd
    var fwdlw = (7 + arrayToUtcDate([year, 0, fwd]).getUTCDay() - dow) % 7;
    return -fwdlw + fwd - 1;
  }
  // Array Conversion
  function dateToLocalArray(date) {
    return [date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds(), date.getMilliseconds()];
  }
  function arrayToLocalDate(a) {
    return new Date(
      a[0],
      a[1] || 0,
      a[2] == null ? 1 : a[2], // day of month
      a[3] || 0,
      a[4] || 0,
      a[5] || 0,
    );
  }
  function dateToUtcArray(date) {
    return [date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds(), date.getUTCMilliseconds()];
  }
  function arrayToUtcDate(a) {
    // according to web standards (and Safari), a month index is required.
    // massage if only given a year.
    if (a.length === 1) {
      a = a.concat([0]);
    }
    return new Date(Date.UTC.apply(Date, a));
  }
  // Other Utils
  function isValidDate(m) {
    return !isNaN(m.valueOf());
  }
  function timeAsMs(m) {
    return m.getUTCHours() * 1000 * 60 * 60 + m.getUTCMinutes() * 1000 * 60 + m.getUTCSeconds() * 1000 + m.getUTCMilliseconds();
  }

  function createEventInstance(defId, range, forcedStartTzo, forcedEndTzo) {
    return {
      instanceId: guid(),
      defId: defId,
      range: range,
      forcedStartTzo: forcedStartTzo == null ? null : forcedStartTzo,
      forcedEndTzo: forcedEndTzo == null ? null : forcedEndTzo,
    };
  }

  var hasOwnProperty = Object.prototype.hasOwnProperty;
  // Merges an array of objects into a single object.
  // The second argument allows for an array of property names who's object values will be merged together.
  function mergeProps(propObjs, complexPropsMap) {
    var dest = {};
    if (complexPropsMap) {
      for (var name_1 in complexPropsMap) {
        var complexObjs = [];
        // collect the trailing object values, stopping when a non-object is discovered
        for (var i = propObjs.length - 1; i >= 0; i -= 1) {
          var val = propObjs[i][name_1];
          if (typeof val === 'object' && val) {
            // non-null object
            complexObjs.unshift(val);
          } else if (val !== undefined) {
            dest[name_1] = val; // if there were no objects, this value will be used
            break;
          }
        }
        // if the trailing values were objects, use the merged value
        if (complexObjs.length) {
          dest[name_1] = mergeProps(complexObjs);
        }
      }
    }
    // copy values into the destination, going from last to first
    for (var i = propObjs.length - 1; i >= 0; i -= 1) {
      var props = propObjs[i];
      for (var name_2 in props) {
        if (!(name_2 in dest)) {
          // if already assigned by previous props or complex props, don't reassign
          dest[name_2] = props[name_2];
        }
      }
    }
    return dest;
  }
  function filterHash(hash, func) {
    var filtered = {};
    for (var key in hash) {
      if (func(hash[key], key)) {
        filtered[key] = hash[key];
      }
    }
    return filtered;
  }
  function mapHash(hash, func) {
    var newHash = {};
    for (var key in hash) {
      newHash[key] = func(hash[key], key);
    }
    return newHash;
  }
  function arrayToHash(a) {
    var hash = {};
    for (var _i = 0, a_1 = a; _i < a_1.length; _i++) {
      var item = a_1[_i];
      hash[item] = true;
    }
    return hash;
  }
  function buildHashFromArray(a, func) {
    var hash = {};
    for (var i = 0; i < a.length; i += 1) {
      var tuple = func(a[i], i);
      hash[tuple[0]] = tuple[1];
    }
    return hash;
  }
  function hashValuesToArray(obj) {
    var a = [];
    for (var key in obj) {
      a.push(obj[key]);
    }
    return a;
  }
  function isPropsEqual(obj0, obj1) {
    if (obj0 === obj1) {
      return true;
    }
    for (var key in obj0) {
      if (hasOwnProperty.call(obj0, key)) {
        if (!(key in obj1)) {
          return false;
        }
      }
    }
    for (var key in obj1) {
      if (hasOwnProperty.call(obj1, key)) {
        if (obj0[key] !== obj1[key]) {
          return false;
        }
      }
    }
    return true;
  }
  function getUnequalProps(obj0, obj1) {
    var keys = [];
    for (var key in obj0) {
      if (hasOwnProperty.call(obj0, key)) {
        if (!(key in obj1)) {
          keys.push(key);
        }
      }
    }
    for (var key in obj1) {
      if (hasOwnProperty.call(obj1, key)) {
        if (obj0[key] !== obj1[key]) {
          keys.push(key);
        }
      }
    }
    return keys;
  }
  function compareObjs(oldProps, newProps, equalityFuncs) {
    if (equalityFuncs === void 0) {
      equalityFuncs = {};
    }
    if (oldProps === newProps) {
      return true;
    }
    for (var key in newProps) {
      if (key in oldProps && isObjValsEqual(oldProps[key], newProps[key], equalityFuncs[key]));
      else {
        return false;
      }
    }
    // check for props that were omitted in the new
    for (var key in oldProps) {
      if (!(key in newProps)) {
        return false;
      }
    }
    return true;
  }
  /*
    assumed "true" equality for handler names like "onReceiveSomething"
    */
  function isObjValsEqual(val0, val1, comparator) {
    if (val0 === val1 || comparator === true) {
      return true;
    }
    if (comparator) {
      return comparator(val0, val1);
    }
    return false;
  }
  function collectFromHash(hash, startIndex, endIndex, step) {
    if (startIndex === void 0) {
      startIndex = 0;
    }
    if (step === void 0) {
      step = 1;
    }
    var res = [];
    if (endIndex == null) {
      endIndex = Object.keys(hash).length;
    }
    for (var i = startIndex; i < endIndex; i += step) {
      var val = hash[i];
      if (val !== undefined) {
        // will disregard undefined for sparse arrays
        res.push(val);
      }
    }
    return res;
  }

  function parseRecurring(refined, defaultAllDay, dateEnv, recurringTypes) {
    for (var i = 0; i < recurringTypes.length; i += 1) {
      var parsed = recurringTypes[i].parse(refined, dateEnv);
      if (parsed) {
        var allDay = refined.allDay;
        if (allDay == null) {
          allDay = defaultAllDay;
          if (allDay == null) {
            allDay = parsed.allDayGuess;
            if (allDay == null) {
              allDay = false;
            }
          }
        }
        return {
          allDay: allDay,
          duration: parsed.duration,
          typeData: parsed.typeData,
          typeId: i,
        };
      }
    }
    return null;
  }
  function expandRecurring(eventStore, framingRange, context) {
    var dateEnv = context.dateEnv,
      pluginHooks = context.pluginHooks,
      options = context.options;
    var defs = eventStore.defs,
      instances = eventStore.instances;
    // remove existing recurring instances
    // TODO: bad. always expand events as a second step
    instances = filterHash(instances, function (instance) {
      return !defs[instance.defId].recurringDef;
    });
    for (var defId in defs) {
      var def = defs[defId];
      if (def.recurringDef) {
        var duration = def.recurringDef.duration;
        if (!duration) {
          duration = def.allDay ? options.defaultAllDayEventDuration : options.defaultTimedEventDuration;
        }
        var starts = expandRecurringRanges(def, duration, framingRange, dateEnv, pluginHooks.recurringTypes);
        for (var _i = 0, starts_1 = starts; _i < starts_1.length; _i++) {
          var start = starts_1[_i];
          var instance = createEventInstance(defId, {
            start: start,
            end: dateEnv.add(start, duration),
          });
          instances[instance.instanceId] = instance;
        }
      }
    }
    return { defs: defs, instances: instances };
  }
  /*
    Event MUST have a recurringDef
    */
  function expandRecurringRanges(eventDef, duration, framingRange, dateEnv, recurringTypes) {
    var typeDef = recurringTypes[eventDef.recurringDef.typeId];
    var markers = typeDef.expand(
      eventDef.recurringDef.typeData,
      {
        start: dateEnv.subtract(framingRange.start, duration),
        end: framingRange.end,
      },
      dateEnv,
    );
    // the recurrence plugins don't guarantee that all-day events are start-of-day, so we have to
    if (eventDef.allDay) {
      markers = markers.map(startOfDay);
    }
    return markers;
  }

  var INTERNAL_UNITS = ['years', 'months', 'days', 'milliseconds'];
  var PARSE_RE = /^(-?)(?:(\d+)\.)?(\d+):(\d\d)(?::(\d\d)(?:\.(\d\d\d))?)?/;
  // Parsing and Creation
  function createDuration(input, unit) {
    var _a;
    if (typeof input === 'string') {
      return parseString(input);
    }
    if (typeof input === 'object' && input) {
      // non-null object
      return parseObject(input);
    }
    if (typeof input === 'number') {
      return parseObject(((_a = {}), (_a[unit || 'milliseconds'] = input), _a));
    }
    return null;
  }
  function parseString(s) {
    var m = PARSE_RE.exec(s);
    if (m) {
      var sign = m[1] ? -1 : 1;
      return {
        years: 0,
        months: 0,
        days: sign * (m[2] ? parseInt(m[2], 10) : 0),
        milliseconds:
          sign *
          ((m[3] ? parseInt(m[3], 10) : 0) * 60 * 60 * 1000 + // hours
            (m[4] ? parseInt(m[4], 10) : 0) * 60 * 1000 + // minutes
            (m[5] ? parseInt(m[5], 10) : 0) * 1000 + // seconds
            (m[6] ? parseInt(m[6], 10) : 0)), // ms
      };
    }
    return null;
  }
  function parseObject(obj) {
    var duration = {
      years: obj.years || obj.year || 0,
      months: obj.months || obj.month || 0,
      days: obj.days || obj.day || 0,
      milliseconds:
        (obj.hours || obj.hour || 0) * 60 * 60 * 1000 + // hours
        (obj.minutes || obj.minute || 0) * 60 * 1000 + // minutes
        (obj.seconds || obj.second || 0) * 1000 + // seconds
        (obj.milliseconds || obj.millisecond || obj.ms || 0), // ms
    };
    var weeks = obj.weeks || obj.week;
    if (weeks) {
      duration.days += weeks * 7;
      duration.specifiedWeeks = true;
    }
    return duration;
  }
  // Equality
  function durationsEqual(d0, d1) {
    return d0.years === d1.years && d0.months === d1.months && d0.days === d1.days && d0.milliseconds === d1.milliseconds;
  }
  function asCleanDays(dur) {
    if (!dur.years && !dur.months && !dur.milliseconds) {
      return dur.days;
    }
    return 0;
  }
  // Simple Math
  function addDurations(d0, d1) {
    return {
      years: d0.years + d1.years,
      months: d0.months + d1.months,
      days: d0.days + d1.days,
      milliseconds: d0.milliseconds + d1.milliseconds,
    };
  }
  function subtractDurations(d1, d0) {
    return {
      years: d1.years - d0.years,
      months: d1.months - d0.months,
      days: d1.days - d0.days,
      milliseconds: d1.milliseconds - d0.milliseconds,
    };
  }
  function multiplyDuration(d, n) {
    return {
      years: d.years * n,
      months: d.months * n,
      days: d.days * n,
      milliseconds: d.milliseconds * n,
    };
  }
  // Conversions
  // "Rough" because they are based on average-case Gregorian months/years
  function asRoughYears(dur) {
    return asRoughDays(dur) / 365;
  }
  function asRoughMonths(dur) {
    return asRoughDays(dur) / 30;
  }
  function asRoughDays(dur) {
    return asRoughMs(dur) / 864e5;
  }
  function asRoughMinutes(dur) {
    return asRoughMs(dur) / (1000 * 60);
  }
  function asRoughSeconds(dur) {
    return asRoughMs(dur) / 1000;
  }
  function asRoughMs(dur) {
    return dur.years * (365 * 864e5) + dur.months * (30 * 864e5) + dur.days * 864e5 + dur.milliseconds;
  }
  // Advanced Math
  function wholeDivideDurations(numerator, denominator) {
    var res = null;
    for (var i = 0; i < INTERNAL_UNITS.length; i += 1) {
      var unit = INTERNAL_UNITS[i];
      if (denominator[unit]) {
        var localRes = numerator[unit] / denominator[unit];
        if (!isInt(localRes) || (res !== null && res !== localRes)) {
          return null;
        }
        res = localRes;
      } else if (numerator[unit]) {
        // needs to divide by something but can't!
        return null;
      }
    }
    return res;
  }
  function greatestDurationDenominator(dur) {
    var ms = dur.milliseconds;
    if (ms) {
      if (ms % 1000 !== 0) {
        return { unit: 'millisecond', value: ms };
      }
      if (ms % (1000 * 60) !== 0) {
        return { unit: 'second', value: ms / 1000 };
      }
      if (ms % (1000 * 60 * 60) !== 0) {
        return { unit: 'minute', value: ms / (1000 * 60) };
      }
      if (ms) {
        return { unit: 'hour', value: ms / (1000 * 60 * 60) };
      }
    }
    if (dur.days) {
      if (dur.specifiedWeeks && dur.days % 7 === 0) {
        return { unit: 'week', value: dur.days / 7 };
      }
      return { unit: 'day', value: dur.days };
    }
    if (dur.months) {
      return { unit: 'month', value: dur.months };
    }
    if (dur.years) {
      return { unit: 'year', value: dur.years };
    }
    return { unit: 'millisecond', value: 0 };
  }

  // timeZoneOffset is in minutes
  function buildIsoString(marker, timeZoneOffset, stripZeroTime) {
    if (stripZeroTime === void 0) {
      stripZeroTime = false;
    }
    var s = marker.toISOString();
    s = s.replace('.000', '');
    if (stripZeroTime) {
      s = s.replace('T00:00:00Z', '');
    }
    if (s.length > 10) {
      // time part wasn't stripped, can add timezone info
      if (timeZoneOffset == null) {
        s = s.replace('Z', '');
      } else if (timeZoneOffset !== 0) {
        s = s.replace('Z', formatTimeZoneOffset(timeZoneOffset, true));
      }
      // otherwise, its UTC-0 and we want to keep the Z
    }
    return s;
  }
  // formats the date, but with no time part
  // TODO: somehow merge with buildIsoString and stripZeroTime
  // TODO: rename. omit "string"
  function formatDayString(marker) {
    return marker.toISOString().replace(/T.*$/, '');
  }
  // TODO: use Date::toISOString and use everything after the T?
  function formatIsoTimeString(marker) {
    return padStart(marker.getUTCHours(), 2) + ':' + padStart(marker.getUTCMinutes(), 2) + ':' + padStart(marker.getUTCSeconds(), 2);
  }
  function formatTimeZoneOffset(minutes, doIso) {
    if (doIso === void 0) {
      doIso = false;
    }
    var sign = minutes < 0 ? '-' : '+';
    var abs = Math.abs(minutes);
    var hours = Math.floor(abs / 60);
    var mins = Math.round(abs % 60);
    if (doIso) {
      return sign + padStart(hours, 2) + ':' + padStart(mins, 2);
    }
    return 'GMT' + sign + hours + (mins ? ':' + padStart(mins, 2) : '');
  }

  // TODO: new util arrayify?
  function removeExact(array, exactVal) {
    var removeCnt = 0;
    var i = 0;
    while (i < array.length) {
      if (array[i] === exactVal) {
        array.splice(i, 1);
        removeCnt += 1;
      } else {
        i += 1;
      }
    }
    return removeCnt;
  }
  function isArraysEqual(a0, a1, equalityFunc) {
    if (a0 === a1) {
      return true;
    }
    var len = a0.length;
    var i;
    if (len !== a1.length) {
      // not array? or not same length?
      return false;
    }
    for (i = 0; i < len; i += 1) {
      if (!(equalityFunc ? equalityFunc(a0[i], a1[i]) : a0[i] === a1[i])) {
        return false;
      }
    }
    return true;
  }

  function memoize(workerFunc, resEquality, teardownFunc) {
    var currentArgs;
    var currentRes;
    return function () {
      var newArgs = [];
      for (var _i = 0; _i < arguments.length; _i++) {
        newArgs[_i] = arguments[_i];
      }
      if (!currentArgs) {
        currentRes = workerFunc.apply(this, newArgs);
      } else if (!isArraysEqual(currentArgs, newArgs)) {
        if (teardownFunc) {
          teardownFunc(currentRes);
        }
        var res = workerFunc.apply(this, newArgs);
        if (!resEquality || !resEquality(res, currentRes)) {
          currentRes = res;
        }
      }
      currentArgs = newArgs;
      return currentRes;
    };
  }
  function memoizeObjArg(workerFunc, resEquality, teardownFunc) {
    var _this = this;
    var currentArg;
    var currentRes;
    return function (newArg) {
      if (!currentArg) {
        currentRes = workerFunc.call(_this, newArg);
      } else if (!isPropsEqual(currentArg, newArg)) {
        if (teardownFunc) {
          teardownFunc(currentRes);
        }
        var res = workerFunc.call(_this, newArg);
        if (!resEquality || !resEquality(res, currentRes)) {
          currentRes = res;
        }
      }
      currentArg = newArg;
      return currentRes;
    };
  }
  function memoizeArraylike(workerFunc, resEquality, teardownFunc) {
    // used at all?
    var _this = this;
    var currentArgSets = [];
    var currentResults = [];
    return function (newArgSets) {
      var currentLen = currentArgSets.length;
      var newLen = newArgSets.length;
      var i = 0;
      for (; i < currentLen; i += 1) {
        if (!newArgSets[i]) {
          // one of the old sets no longer exists
          if (teardownFunc) {
            teardownFunc(currentResults[i]);
          }
        } else if (!isArraysEqual(currentArgSets[i], newArgSets[i])) {
          if (teardownFunc) {
            teardownFunc(currentResults[i]);
          }
          var res = workerFunc.apply(_this, newArgSets[i]);
          if (!resEquality || !resEquality(res, currentResults[i])) {
            currentResults[i] = res;
          }
        }
      }
      for (; i < newLen; i += 1) {
        currentResults[i] = workerFunc.apply(_this, newArgSets[i]);
      }
      currentArgSets = newArgSets;
      currentResults.splice(newLen); // remove excess
      return currentResults;
    };
  }
  function memoizeHashlike(workerFunc, resEquality, teardownFunc) {
    var _this = this;
    var currentArgHash = {};
    var currentResHash = {};
    return function (newArgHash) {
      var newResHash = {};
      for (var key in newArgHash) {
        if (!currentResHash[key]) {
          newResHash[key] = workerFunc.apply(_this, newArgHash[key]);
        } else if (!isArraysEqual(currentArgHash[key], newArgHash[key])) {
          if (teardownFunc) {
            teardownFunc(currentResHash[key]);
          }
          var res = workerFunc.apply(_this, newArgHash[key]);
          newResHash[key] = resEquality && resEquality(res, currentResHash[key]) ? currentResHash[key] : res;
        } else {
          newResHash[key] = currentResHash[key];
        }
      }
      currentArgHash = newArgHash;
      currentResHash = newResHash;
      return newResHash;
    };
  }

  var EXTENDED_SETTINGS_AND_SEVERITIES = {
    week: 3,
    separator: 0,
    omitZeroMinute: 0,
    meridiem: 0,
    omitCommas: 0,
  };
  var STANDARD_DATE_PROP_SEVERITIES = {
    timeZoneName: 7,
    era: 6,
    year: 5,
    month: 4,
    day: 2,
    weekday: 2,
    hour: 1,
    minute: 1,
    second: 1,
  };
  var MERIDIEM_RE = /\s*([ap])\.?m\.?/i; // eats up leading spaces too
  var COMMA_RE = /,/g; // we need re for globalness
  var MULTI_SPACE_RE = /\s+/g;
  var LTR_RE = /\u200e/g; // control character
  var UTC_RE = /UTC|GMT/;
  var NativeFormatter = /** @class */ (function () {
    function NativeFormatter(formatSettings) {
      var standardDateProps = {};
      var extendedSettings = {};
      var severity = 0;
      for (var name_1 in formatSettings) {
        if (name_1 in EXTENDED_SETTINGS_AND_SEVERITIES) {
          extendedSettings[name_1] = formatSettings[name_1];
          severity = Math.max(EXTENDED_SETTINGS_AND_SEVERITIES[name_1], severity);
        } else {
          standardDateProps[name_1] = formatSettings[name_1];
          if (name_1 in STANDARD_DATE_PROP_SEVERITIES) {
            // TODO: what about hour12? no severity
            severity = Math.max(STANDARD_DATE_PROP_SEVERITIES[name_1], severity);
          }
        }
      }
      this.standardDateProps = standardDateProps;
      this.extendedSettings = extendedSettings;
      this.severity = severity;
      this.buildFormattingFunc = memoize(buildFormattingFunc);
    }
    NativeFormatter.prototype.format = function (date, context) {
      return this.buildFormattingFunc(this.standardDateProps, this.extendedSettings, context)(date);
    };
    NativeFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) {
      var _a = this,
        standardDateProps = _a.standardDateProps,
        extendedSettings = _a.extendedSettings;
      var diffSeverity = computeMarkerDiffSeverity(start.marker, end.marker, context.calendarSystem);
      if (!diffSeverity) {
        return this.format(start, context);
      }
      var biggestUnitForPartial = diffSeverity;
      if (
        biggestUnitForPartial > 1 && // the two dates are different in a way that's larger scale than time
        (standardDateProps.year === 'numeric' || standardDateProps.year === '2-digit') &&
        (standardDateProps.month === 'numeric' || standardDateProps.month === '2-digit') &&
        (standardDateProps.day === 'numeric' || standardDateProps.day === '2-digit')
      ) {
        biggestUnitForPartial = 1; // make it look like the dates are only different in terms of time
      }
      var full0 = this.format(start, context);
      var full1 = this.format(end, context);
      if (full0 === full1) {
        return full0;
      }
      var partialDateProps = computePartialFormattingOptions(standardDateProps, biggestUnitForPartial);
      var partialFormattingFunc = buildFormattingFunc(partialDateProps, extendedSettings, context);
      var partial0 = partialFormattingFunc(start);
      var partial1 = partialFormattingFunc(end);
      var insertion = findCommonInsertion(full0, partial0, full1, partial1);
      var separator = extendedSettings.separator || betterDefaultSeparator || context.defaultSeparator || '';
      if (insertion) {
        return insertion.before + partial0 + separator + partial1 + insertion.after;
      }
      return full0 + separator + full1;
    };
    NativeFormatter.prototype.getLargestUnit = function () {
      switch (this.severity) {
        case 7:
        case 6:
        case 5:
          return 'year';
        case 4:
          return 'month';
        case 3:
          return 'week';
        case 2:
          return 'day';
        default:
          return 'time'; // really?
      }
    };
    return NativeFormatter;
  })();
  function buildFormattingFunc(standardDateProps, extendedSettings, context) {
    var standardDatePropCnt = Object.keys(standardDateProps).length;
    if (standardDatePropCnt === 1 && standardDateProps.timeZoneName === 'short') {
      return function (date) {
        return formatTimeZoneOffset(date.timeZoneOffset);
      };
    }
    if (standardDatePropCnt === 0 && extendedSettings.week) {
      return function (date) {
        return formatWeekNumber(context.computeWeekNumber(date.marker), context.weekText, context.weekTextLong, context.locale, extendedSettings.week);
      };
    }
    return buildNativeFormattingFunc(standardDateProps, extendedSettings, context);
  }
  function buildNativeFormattingFunc(standardDateProps, extendedSettings, context) {
    standardDateProps = __assign({}, standardDateProps); // copy
    extendedSettings = __assign({}, extendedSettings); // copy
    sanitizeSettings(standardDateProps, extendedSettings);
    standardDateProps.timeZone = 'UTC'; // we leverage the only guaranteed timeZone for our UTC markers
    var normalFormat = new Intl.DateTimeFormat(context.locale.codes, standardDateProps);
    var zeroFormat; // needed?
    if (extendedSettings.omitZeroMinute) {
      var zeroProps = __assign({}, standardDateProps);
      delete zeroProps.minute; // seconds and ms were already considered in sanitizeSettings
      zeroFormat = new Intl.DateTimeFormat(context.locale.codes, zeroProps);
    }
    return function (date) {
      var marker = date.marker;
      var format;
      if (zeroFormat && !marker.getUTCMinutes()) {
        format = zeroFormat;
      } else {
        format = normalFormat;
      }
      var s = format.format(marker);
      return postProcess(s, date, standardDateProps, extendedSettings, context);
    };
  }
  function sanitizeSettings(standardDateProps, extendedSettings) {
    // deal with a browser inconsistency where formatting the timezone
    // requires that the hour/minute be present.
    if (standardDateProps.timeZoneName) {
      if (!standardDateProps.hour) {
        standardDateProps.hour = '2-digit';
      }
      if (!standardDateProps.minute) {
        standardDateProps.minute = '2-digit';
      }
    }
    // only support short timezone names
    if (standardDateProps.timeZoneName === 'long') {
      standardDateProps.timeZoneName = 'short';
    }
    // if requesting to display seconds, MUST display minutes
    if (extendedSettings.omitZeroMinute && (standardDateProps.second || standardDateProps.millisecond)) {
      delete extendedSettings.omitZeroMinute;
    }
  }
  function postProcess(s, date, standardDateProps, extendedSettings, context) {
    s = s.replace(LTR_RE, ''); // remove left-to-right control chars. do first. good for other regexes
    if (standardDateProps.timeZoneName === 'short') {
      s = injectTzoStr(
        s,
        context.timeZone === 'UTC' || date.timeZoneOffset == null
          ? 'UTC' // important to normalize for IE, which does "GMT"
          : formatTimeZoneOffset(date.timeZoneOffset),
      );
    }
    if (extendedSettings.omitCommas) {
      s = s.replace(COMMA_RE, '').trim();
    }
    if (extendedSettings.omitZeroMinute) {
      s = s.replace(':00', ''); // zeroFormat doesn't always achieve this
    }
    // ^ do anything that might create adjacent spaces before this point,
    // because MERIDIEM_RE likes to eat up loading spaces
    if (extendedSettings.meridiem === false) {
      s = s.replace(MERIDIEM_RE, '').trim();
    } else if (extendedSettings.meridiem === 'narrow') {
      // a/p
      s = s.replace(MERIDIEM_RE, function (m0, m1) {
        return m1.toLocaleLowerCase();
      });
    } else if (extendedSettings.meridiem === 'short') {
      // am/pm
      s = s.replace(MERIDIEM_RE, function (m0, m1) {
        return m1.toLocaleLowerCase() + 'm';
      });
    } else if (extendedSettings.meridiem === 'lowercase') {
      // other meridiem transformers already converted to lowercase
      s = s.replace(MERIDIEM_RE, function (m0) {
        return m0.toLocaleLowerCase();
      });
    }
    s = s.replace(MULTI_SPACE_RE, ' ');
    s = s.trim();
    return s;
  }
  function injectTzoStr(s, tzoStr) {
    var replaced = false;
    s = s.replace(UTC_RE, function () {
      replaced = true;
      return tzoStr;
    });
    // IE11 doesn't include UTC/GMT in the original string, so append to end
    if (!replaced) {
      s += ' ' + tzoStr;
    }
    return s;
  }
  function formatWeekNumber(num, weekText, weekTextLong, locale, display) {
    var parts = [];
    if (display === 'long') {
      parts.push(weekTextLong);
    } else if (display === 'short' || display === 'narrow') {
      parts.push(weekText);
    }
    if (display === 'long' || display === 'short') {
      parts.push(' ');
    }
    parts.push(locale.simpleNumberFormat.format(num));
    if (locale.options.direction === 'rtl') {
      // TODO: use control characters instead?
      parts.reverse();
    }
    return parts.join('');
  }
  // Range Formatting Utils
  // 0 = exactly the same
  // 1 = different by time
  // and bigger
  function computeMarkerDiffSeverity(d0, d1, ca) {
    if (ca.getMarkerYear(d0) !== ca.getMarkerYear(d1)) {
      return 5;
    }
    if (ca.getMarkerMonth(d0) !== ca.getMarkerMonth(d1)) {
      return 4;
    }
    if (ca.getMarkerDay(d0) !== ca.getMarkerDay(d1)) {
      return 2;
    }
    if (timeAsMs(d0) !== timeAsMs(d1)) {
      return 1;
    }
    return 0;
  }
  function computePartialFormattingOptions(options, biggestUnit) {
    var partialOptions = {};
    for (var name_2 in options) {
      if (
        !(name_2 in STANDARD_DATE_PROP_SEVERITIES) || // not a date part prop (like timeZone)
        STANDARD_DATE_PROP_SEVERITIES[name_2] <= biggestUnit
      ) {
        partialOptions[name_2] = options[name_2];
      }
    }
    return partialOptions;
  }
  function findCommonInsertion(full0, partial0, full1, partial1) {
    var i0 = 0;
    while (i0 < full0.length) {
      var found0 = full0.indexOf(partial0, i0);
      if (found0 === -1) {
        break;
      }
      var before0 = full0.substr(0, found0);
      i0 = found0 + partial0.length;
      var after0 = full0.substr(i0);
      var i1 = 0;
      while (i1 < full1.length) {
        var found1 = full1.indexOf(partial1, i1);
        if (found1 === -1) {
          break;
        }
        var before1 = full1.substr(0, found1);
        i1 = found1 + partial1.length;
        var after1 = full1.substr(i1);
        if (before0 === before1 && after0 === after1) {
          return {
            before: before0,
            after: after0,
          };
        }
      }
    }
    return null;
  }

  function expandZonedMarker(dateInfo, calendarSystem) {
    var a = calendarSystem.markerToArray(dateInfo.marker);
    return {
      marker: dateInfo.marker,
      timeZoneOffset: dateInfo.timeZoneOffset,
      array: a,
      year: a[0],
      month: a[1],
      day: a[2],
      hour: a[3],
      minute: a[4],
      second: a[5],
      millisecond: a[6],
    };
  }

  function createVerboseFormattingArg(start, end, context, betterDefaultSeparator) {
    var startInfo = expandZonedMarker(start, context.calendarSystem);
    var endInfo = end ? expandZonedMarker(end, context.calendarSystem) : null;
    return {
      date: startInfo,
      start: startInfo,
      end: endInfo,
      timeZone: context.timeZone,
      localeCodes: context.locale.codes,
      defaultSeparator: betterDefaultSeparator || context.defaultSeparator,
    };
  }

  /*
    TODO: fix the terminology of "formatter" vs "formatting func"
    */
  /*
    At the time of instantiation, this object does not know which cmd-formatting system it will use.
    It receives this at the time of formatting, as a setting.
    */
  var CmdFormatter = /** @class */ (function () {
    function CmdFormatter(cmdStr) {
      this.cmdStr = cmdStr;
    }
    CmdFormatter.prototype.format = function (date, context, betterDefaultSeparator) {
      return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(date, null, context, betterDefaultSeparator));
    };
    CmdFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) {
      return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(start, end, context, betterDefaultSeparator));
    };
    return CmdFormatter;
  })();

  var FuncFormatter = /** @class */ (function () {
    function FuncFormatter(func) {
      this.func = func;
    }
    FuncFormatter.prototype.format = function (date, context, betterDefaultSeparator) {
      return this.func(createVerboseFormattingArg(date, null, context, betterDefaultSeparator));
    };
    FuncFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) {
      return this.func(createVerboseFormattingArg(start, end, context, betterDefaultSeparator));
    };
    return FuncFormatter;
  })();

  function createFormatter(input) {
    if (typeof input === 'object' && input) {
      // non-null object
      return new NativeFormatter(input);
    }
    if (typeof input === 'string') {
      return new CmdFormatter(input);
    }
    if (typeof input === 'function') {
      return new FuncFormatter(input);
    }
    return null;
  }

  // base options
  // ------------
  var BASE_OPTION_REFINERS = {
    navLinkDayClick: identity,
    navLinkWeekClick: identity,
    duration: createDuration,
    bootstrapFontAwesome: identity,
    buttonIcons: identity,
    customButtons: identity,
    defaultAllDayEventDuration: createDuration,
    defaultTimedEventDuration: createDuration,
    nextDayThreshold: createDuration,
    scrollTime: createDuration,
    scrollTimeReset: Boolean,
    slotMinTime: createDuration,
    slotMaxTime: createDuration,
    dayPopoverFormat: createFormatter,
    slotDuration: createDuration,
    snapDuration: createDuration,
    headerToolbar: identity,
    footerToolbar: identity,
    defaultRangeSeparator: String,
    titleRangeSeparator: String,
    forceEventDuration: Boolean,
    dayHeaders: Boolean,
    dayHeaderFormat: createFormatter,
    dayHeaderClassNames: identity,
    dayHeaderContent: identity,
    dayHeaderDidMount: identity,
    dayHeaderWillUnmount: identity,
    dayCellClassNames: identity,
    dayCellContent: identity,
    dayCellDidMount: identity,
    dayCellWillUnmount: identity,
    initialView: String,
    aspectRatio: Number,
    weekends: Boolean,
    weekNumberCalculation: identity,
    weekNumbers: Boolean,
    weekNumberClassNames: identity,
    weekNumberContent: identity,
    weekNumberDidMount: identity,
    weekNumberWillUnmount: identity,
    editable: Boolean,
    viewClassNames: identity,
    viewDidMount: identity,
    viewWillUnmount: identity,
    nowIndicator: Boolean,
    nowIndicatorClassNames: identity,
    nowIndicatorContent: identity,
    nowIndicatorDidMount: identity,
    nowIndicatorWillUnmount: identity,
    showNonCurrentDates: Boolean,
    lazyFetching: Boolean,
    startParam: String,
    endParam: String,
    timeZoneParam: String,
    timeZone: String,
    locales: identity,
    locale: identity,
    themeSystem: String,
    dragRevertDuration: Number,
    dragScroll: Boolean,
    allDayMaintainDuration: Boolean,
    unselectAuto: Boolean,
    dropAccept: identity,
    eventOrder: parseFieldSpecs,
    eventOrderStrict: Boolean,
    handleWindowResize: Boolean,
    windowResizeDelay: Number,
    longPressDelay: Number,
    eventDragMinDistance: Number,
    expandRows: Boolean,
    height: identity,
    contentHeight: identity,
    direction: String,
    weekNumberFormat: createFormatter,
    eventResizableFromStart: Boolean,
    displayEventTime: Boolean,
    displayEventEnd: Boolean,
    weekText: String,
    weekTextLong: String,
    progressiveEventRendering: Boolean,
    businessHours: identity,
    initialDate: identity,
    now: identity,
    eventDataTransform: identity,
    stickyHeaderDates: identity,
    stickyFooterScrollbar: identity,
    viewHeight: identity,
    defaultAllDay: Boolean,
    eventSourceFailure: identity,
    eventSourceSuccess: identity,
    eventDisplay: String,
    eventStartEditable: Boolean,
    eventDurationEditable: Boolean,
    eventOverlap: identity,
    eventConstraint: identity,
    eventAllow: identity,
    eventBackgroundColor: String,
    eventBorderColor: String,
    eventTextColor: String,
    eventColor: String,
    eventClassNames: identity,
    eventContent: identity,
    eventDidMount: identity,
    eventWillUnmount: identity,
    selectConstraint: identity,
    selectOverlap: identity,
    selectAllow: identity,
    droppable: Boolean,
    unselectCancel: String,
    slotLabelFormat: identity,
    slotLaneClassNames: identity,
    slotLaneContent: identity,
    slotLaneDidMount: identity,
    slotLaneWillUnmount: identity,
    slotLabelClassNames: identity,
    slotLabelContent: identity,
    slotLabelDidMount: identity,
    slotLabelWillUnmount: identity,
    dayMaxEvents: identity,
    dayMaxEventRows: identity,
    dayMinWidth: Number,
    slotLabelInterval: createDuration,
    allDayText: String,
    allDayClassNames: identity,
    allDayContent: identity,
    allDayDidMount: identity,
    allDayWillUnmount: identity,
    slotMinWidth: Number,
    navLinks: Boolean,
    eventTimeFormat: createFormatter,
    rerenderDelay: Number,
    moreLinkText: identity,
    moreLinkHint: identity,
    selectMinDistance: Number,
    selectable: Boolean,
    selectLongPressDelay: Number,
    eventLongPressDelay: Number,
    selectMirror: Boolean,
    eventMaxStack: Number,
    eventMinHeight: Number,
    eventMinWidth: Number,
    eventShortHeight: Number,
    slotEventOverlap: Boolean,
    plugins: identity,
    firstDay: Number,
    dayCount: Number,
    dateAlignment: String,
    dateIncrement: createDuration,
    hiddenDays: identity,
    monthMode: Boolean,
    fixedWeekCount: Boolean,
    validRange: identity,
    visibleRange: identity,
    titleFormat: identity,
    eventInteractive: Boolean,
    // only used by list-view, but languages define the value, so we need it in base options
    noEventsText: String,
    viewHint: identity,
    navLinkHint: identity,
    closeHint: String,
    timeHint: String,
    eventHint: String,
    moreLinkClick: identity,
    moreLinkClassNames: identity,
    moreLinkContent: identity,
    moreLinkDidMount: identity,
    moreLinkWillUnmount: identity,
  };
  // do NOT give a type here. need `typeof BASE_OPTION_DEFAULTS` to give real results.
  // raw values.
  var BASE_OPTION_DEFAULTS = {
    eventDisplay: 'auto',
    defaultRangeSeparator: ' - ',
    titleRangeSeparator: ' \u2013 ',
    defaultTimedEventDuration: '01:00:00',
    defaultAllDayEventDuration: { day: 1 },
    forceEventDuration: false,
    nextDayThreshold: '00:00:00',
    dayHeaders: true,
    initialView: '',
    aspectRatio: 1.35,
    headerToolbar: {
      start: 'title',
      center: '',
      end: 'today prev,next',
    },
    weekends: true,
    weekNumbers: false,
    weekNumberCalculation: 'local',
    editable: false,
    nowIndicator: false,
    scrollTime: '06:00:00',
    scrollTimeReset: true,
    slotMinTime: '00:00:00',
    slotMaxTime: '24:00:00',
    showNonCurrentDates: true,
    lazyFetching: true,
    startParam: 'start',
    endParam: 'end',
    timeZoneParam: 'timeZone',
    timeZone: 'local',
    locales: [],
    locale: '',
    themeSystem: 'standard',
    dragRevertDuration: 500,
    dragScroll: true,
    allDayMaintainDuration: false,
    unselectAuto: true,
    dropAccept: '*',
    eventOrder: 'start,-duration,allDay,title',
    dayPopoverFormat: { month: 'long', day: 'numeric', year: 'numeric' },
    handleWindowResize: true,
    windowResizeDelay: 100,
    longPressDelay: 1000,
    eventDragMinDistance: 5,
    expandRows: false,
    navLinks: false,
    selectable: false,
    eventMinHeight: 15,
    eventMinWidth: 30,
    eventShortHeight: 30,
  };
  // calendar listeners
  // ------------------
  var CALENDAR_LISTENER_REFINERS = {
    datesSet: identity,
    eventsSet: identity,
    eventAdd: identity,
    eventChange: identity,
    eventRemove: identity,
    windowResize: identity,
    eventClick: identity,
    eventMouseEnter: identity,
    eventMouseLeave: identity,
    select: identity,
    unselect: identity,
    loading: identity,
    // internal
    _unmount: identity,
    _beforeprint: identity,
    _afterprint: identity,
    _noEventDrop: identity,
    _noEventResize: identity,
    _resize: identity,
    _scrollRequest: identity,
  };
  // calendar-specific options
  // -------------------------
  var CALENDAR_OPTION_REFINERS = {
    buttonText: identity,
    buttonHints: identity,
    views: identity,
    plugins: identity,
    initialEvents: identity,
    events: identity,
    eventSources: identity,
  };
  var COMPLEX_OPTION_COMPARATORS = {
    headerToolbar: isMaybeObjectsEqual,
    footerToolbar: isMaybeObjectsEqual,
    buttonText: isMaybeObjectsEqual,
    buttonHints: isMaybeObjectsEqual,
    buttonIcons: isMaybeObjectsEqual,
    dateIncrement: isMaybeObjectsEqual,
  };
  function isMaybeObjectsEqual(a, b) {
    if (typeof a === 'object' && typeof b === 'object' && a && b) {
      // both non-null objects
      return isPropsEqual(a, b);
    }
    return a === b;
  }
  // view-specific options
  // ---------------------
  var VIEW_OPTION_REFINERS = {
    type: String,
    component: identity,
    buttonText: String,
    buttonTextKey: String,
    dateProfileGeneratorClass: identity,
    usesMinMaxTime: Boolean,
    classNames: identity,
    content: identity,
    didMount: identity,
    willUnmount: identity,
  };
  // util funcs
  // ----------------------------------------------------------------------------------------------------
  function mergeRawOptions(optionSets) {
    return mergeProps(optionSets, COMPLEX_OPTION_COMPARATORS);
  }
  function refineProps(input, refiners) {
    var refined = {};
    var extra = {};
    for (var propName in refiners) {
      if (propName in input) {
        refined[propName] = refiners[propName](input[propName]);
      }
    }
    for (var propName in input) {
      if (!(propName in refiners)) {
        extra[propName] = input[propName];
      }
    }
    return { refined: refined, extra: extra };
  }
  function identity(raw) {
    return raw;
  }

  function parseEvents(rawEvents, eventSource, context, allowOpenRange) {
    var eventStore = createEmptyEventStore();
    var eventRefiners = buildEventRefiners(context);
    for (var _i = 0, rawEvents_1 = rawEvents; _i < rawEvents_1.length; _i++) {
      var rawEvent = rawEvents_1[_i];
      var tuple = parseEvent(rawEvent, eventSource, context, allowOpenRange, eventRefiners);
      if (tuple) {
        eventTupleToStore(tuple, eventStore);
      }
    }
    return eventStore;
  }
  function eventTupleToStore(tuple, eventStore) {
    if (eventStore === void 0) {
      eventStore = createEmptyEventStore();
    }
    eventStore.defs[tuple.def.defId] = tuple.def;
    if (tuple.instance) {
      eventStore.instances[tuple.instance.instanceId] = tuple.instance;
    }
    return eventStore;
  }
  // retrieves events that have the same groupId as the instance specified by `instanceId`
  // or they are the same as the instance.
  // why might instanceId not be in the store? an event from another calendar?
  function getRelevantEvents(eventStore, instanceId) {
    var instance = eventStore.instances[instanceId];
    if (instance) {
      var def_1 = eventStore.defs[instance.defId];
      // get events/instances with same group
      var newStore = filterEventStoreDefs(eventStore, function (lookDef) {
        return isEventDefsGrouped(def_1, lookDef);
      });
      // add the original
      // TODO: wish we could use eventTupleToStore or something like it
      newStore.defs[def_1.defId] = def_1;
      newStore.instances[instance.instanceId] = instance;
      return newStore;
    }
    return createEmptyEventStore();
  }
  function isEventDefsGrouped(def0, def1) {
    return Boolean(def0.groupId && def0.groupId === def1.groupId);
  }
  function createEmptyEventStore() {
    return { defs: {}, instances: {} };
  }
  function mergeEventStores(store0, store1) {
    return {
      defs: __assign(__assign({}, store0.defs), store1.defs),
      instances: __assign(__assign({}, store0.instances), store1.instances),
    };
  }
  function filterEventStoreDefs(eventStore, filterFunc) {
    var defs = filterHash(eventStore.defs, filterFunc);
    var instances = filterHash(eventStore.instances, function (instance) {
      return defs[instance.defId]; // still exists?
    });
    return { defs: defs, instances: instances };
  }
  function excludeSubEventStore(master, sub) {
    var defs = master.defs,
      instances = master.instances;
    var filteredDefs = {};
    var filteredInstances = {};
    for (var defId in defs) {
      if (!sub.defs[defId]) {
        // not explicitly excluded
        filteredDefs[defId] = defs[defId];
      }
    }
    for (var instanceId in instances) {
      if (
        !sub.instances[instanceId] && // not explicitly excluded
        filteredDefs[instances[instanceId].defId] // def wasn't filtered away
      ) {
        filteredInstances[instanceId] = instances[instanceId];
      }
    }
    return {
      defs: filteredDefs,
      instances: filteredInstances,
    };
  }

  function normalizeConstraint(input, context) {
    if (Array.isArray(input)) {
      return parseEvents(input, null, context, true); // allowOpenRange=true
    }
    if (typeof input === 'object' && input) {
      // non-null object
      return parseEvents([input], null, context, true); // allowOpenRange=true
    }
    if (input != null) {
      return String(input);
    }
    return null;
  }

  function parseClassNames(raw) {
    if (Array.isArray(raw)) {
      return raw;
    }
    if (typeof raw === 'string') {
      return raw.split(/\s+/);
    }
    return [];
  }

  // TODO: better called "EventSettings" or "EventConfig"
  // TODO: move this file into structs
  // TODO: separate constraint/overlap/allow, because selection uses only that, not other props
  var EVENT_UI_REFINERS = {
    display: String,
    editable: Boolean,
    startEditable: Boolean,
    durationEditable: Boolean,
    constraint: identity,
    overlap: identity,
    allow: identity,
    className: parseClassNames,
    classNames: parseClassNames,
    color: String,
    backgroundColor: String,
    borderColor: String,
    textColor: String,
  };
  var EMPTY_EVENT_UI = {
    display: null,
    startEditable: null,
    durationEditable: null,
    constraints: [],
    overlap: null,
    allows: [],
    backgroundColor: '',
    borderColor: '',
    textColor: '',
    classNames: [],
  };
  function createEventUi(refined, context) {
    var constraint = normalizeConstraint(refined.constraint, context);
    return {
      display: refined.display || null,
      startEditable: refined.startEditable != null ? refined.startEditable : refined.editable,
      durationEditable: refined.durationEditable != null ? refined.durationEditable : refined.editable,
      constraints: constraint != null ? [constraint] : [],
      overlap: refined.overlap != null ? refined.overlap : null,
      allows: refined.allow != null ? [refined.allow] : [],
      backgroundColor: refined.backgroundColor || refined.color || '',
      borderColor: refined.borderColor || refined.color || '',
      textColor: refined.textColor || '',
      classNames: (refined.className || []).concat(refined.classNames || []), // join singular and plural
    };
  }
  // TODO: prevent against problems with <2 args!
  function combineEventUis(uis) {
    return uis.reduce(combineTwoEventUis, EMPTY_EVENT_UI);
  }
  function combineTwoEventUis(item0, item1) {
    return {
      display: item1.display != null ? item1.display : item0.display,
      startEditable: item1.startEditable != null ? item1.startEditable : item0.startEditable,
      durationEditable: item1.durationEditable != null ? item1.durationEditable : item0.durationEditable,
      constraints: item0.constraints.concat(item1.constraints),
      overlap: typeof item1.overlap === 'boolean' ? item1.overlap : item0.overlap,
      allows: item0.allows.concat(item1.allows),
      backgroundColor: item1.backgroundColor || item0.backgroundColor,
      borderColor: item1.borderColor || item0.borderColor,
      textColor: item1.textColor || item0.textColor,
      classNames: item0.classNames.concat(item1.classNames),
    };
  }

  var EVENT_NON_DATE_REFINERS = {
    id: String,
    groupId: String,
    title: String,
    url: String,
    interactive: Boolean,
  };
  var EVENT_DATE_REFINERS = {
    start: identity,
    end: identity,
    date: identity,
    allDay: Boolean,
  };
  var EVENT_REFINERS = __assign(__assign(__assign({}, EVENT_NON_DATE_REFINERS), EVENT_DATE_REFINERS), { extendedProps: identity });
  function parseEvent(raw, eventSource, context, allowOpenRange, refiners) {
    if (refiners === void 0) {
      refiners = buildEventRefiners(context);
    }
    var _a = refineEventDef(raw, context, refiners),
      refined = _a.refined,
      extra = _a.extra;
    var defaultAllDay = computeIsDefaultAllDay(eventSource, context);
    var recurringRes = parseRecurring(refined, defaultAllDay, context.dateEnv, context.pluginHooks.recurringTypes);
    if (recurringRes) {
      var def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', recurringRes.allDay, Boolean(recurringRes.duration), context);
      def.recurringDef = {
        typeId: recurringRes.typeId,
        typeData: recurringRes.typeData,
        duration: recurringRes.duration,
      };
      return { def: def, instance: null };
    }
    var singleRes = parseSingle(refined, defaultAllDay, context, allowOpenRange);
    if (singleRes) {
      var def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', singleRes.allDay, singleRes.hasEnd, context);
      var instance = createEventInstance(def.defId, singleRes.range, singleRes.forcedStartTzo, singleRes.forcedEndTzo);
      return { def: def, instance: instance };
    }
    return null;
  }
  function refineEventDef(raw, context, refiners) {
    if (refiners === void 0) {
      refiners = buildEventRefiners(context);
    }
    return refineProps(raw, refiners);
  }
  function buildEventRefiners(context) {
    return __assign(__assign(__assign({}, EVENT_UI_REFINERS), EVENT_REFINERS), context.pluginHooks.eventRefiners);
  }
  /*
    Will NOT populate extendedProps with the leftover properties.
    Will NOT populate date-related props.
    */
  function parseEventDef(refined, extra, sourceId, allDay, hasEnd, context) {
    var def = {
      title: refined.title || '',
      //   subTitle:refined.subTitle,
      groupId: refined.groupId || '',
      publicId: refined.id || '',
      url: refined.url || '',
      recurringDef: null,
      defId: guid(),
      sourceId: sourceId,
      allDay: allDay,
      hasEnd: hasEnd,
      interactive: refined.interactive,
      ui: createEventUi(refined, context),
      ...__assign(__assign({}, refined.extendedProps || {}), extra),
    };
    for (var _i = 0, _a = context.pluginHooks.eventDefMemberAdders; _i < _a.length; _i++) {
      var memberAdder = _a[_i];
      __assign(def, memberAdder(refined));
    }
    // help out EventApi from having user modify props
    Object.freeze(def.ui.classNames);
    Object.freeze(def.extendedProps);
    return def;
  }
  function parseSingle(refined, defaultAllDay, context, allowOpenRange) {
    var allDay = refined.allDay;
    var startMeta;
    var startMarker = null;
    var hasEnd = false;
    var endMeta;
    var endMarker = null;
    var startInput = refined.start != null ? refined.start : refined.date;
    startMeta = context.dateEnv.createMarkerMeta(startInput);
    if (startMeta) {
      startMarker = startMeta.marker;
    } else if (!allowOpenRange) {
      return null;
    }
    if (refined.end != null) {
      endMeta = context.dateEnv.createMarkerMeta(refined.end);
    }
    if (allDay == null) {
      if (defaultAllDay != null) {
        allDay = defaultAllDay;
      } else {
        // fall back to the date props LAST
        allDay = (!startMeta || startMeta.isTimeUnspecified) && (!endMeta || endMeta.isTimeUnspecified);
      }
    }
    if (allDay && startMarker) {
      startMarker = startOfDay(startMarker);
    }
    if (endMeta) {
      endMarker = endMeta.marker;
      if (allDay) {
        endMarker = startOfDay(endMarker);
      }
      if (startMarker && endMarker <= startMarker) {
        endMarker = null;
      }
    }
    if (endMarker) {
      hasEnd = true;
    } else if (!allowOpenRange) {
      hasEnd = context.options.forceEventDuration || false;
      endMarker = context.dateEnv.add(startMarker, allDay ? context.options.defaultAllDayEventDuration : context.options.defaultTimedEventDuration);
    }
    return {
      allDay: allDay,
      hasEnd: hasEnd,
      range: { start: startMarker, end: endMarker },
      forcedStartTzo: startMeta ? startMeta.forcedTzo : null,
      forcedEndTzo: endMeta ? endMeta.forcedTzo : null,
    };
  }
  function computeIsDefaultAllDay(eventSource, context) {
    var res = null;
    if (eventSource) {
      res = eventSource.defaultAllDay;
    }
    if (res == null) {
      res = context.options.defaultAllDay;
    }
    return res;
  }

  /* Date stuff that doesn't belong in datelib core
    ----------------------------------------------------------------------------------------------------------------------*/
  // given a timed range, computes an all-day range that has the same exact duration,
  // but whose start time is aligned with the start of the day.
  function computeAlignedDayRange(timedRange) {
    var dayCnt = Math.floor(diffDays(timedRange.start, timedRange.end)) || 1;
    var start = startOfDay(timedRange.start);
    var end = addDays(start, dayCnt);
    return { start: start, end: end };
  }
  // given a timed range, computes an all-day range based on how for the end date bleeds into the next day
  // TODO: give nextDayThreshold a default arg
  function computeVisibleDayRange(timedRange, nextDayThreshold) {
    if (nextDayThreshold === void 0) {
      nextDayThreshold = createDuration(0);
    }
    var startDay = null;
    var endDay = null;
    if (timedRange.end) {
      endDay = startOfDay(timedRange.end);
      var endTimeMS = timedRange.end.valueOf() - endDay.valueOf(); // # of milliseconds into `endDay`
      // If the end time is actually inclusively part of the next day and is equal to or
      // beyond the next day threshold, adjust the end to be the exclusive end of `endDay`.
      // Otherwise, leaving it as inclusive will cause it to exclude `endDay`.
      if (endTimeMS && endTimeMS >= asRoughMs(nextDayThreshold)) {
        endDay = addDays(endDay, 1);
      }
    }
    if (timedRange.start) {
      startDay = startOfDay(timedRange.start); // the beginning of the day the range starts
      // If end is within `startDay` but not past nextDayThreshold, assign the default duration of one day.
      if (endDay && endDay <= startDay) {
        endDay = addDays(startDay, 1);
      }
    }
    return { start: startDay, end: endDay };
  }
  // spans from one day into another?
  function isMultiDayRange(range) {
    var visibleRange = computeVisibleDayRange(range);
    return diffDays(visibleRange.start, visibleRange.end) > 1;
  }
  function diffDates(date0, date1, dateEnv, largeUnit) {
    if (largeUnit === 'year') {
      return createDuration(dateEnv.diffWholeYears(date0, date1), 'year');
    }
    if (largeUnit === 'month') {
      return createDuration(dateEnv.diffWholeMonths(date0, date1), 'month');
    }
    return diffDayAndTime(date0, date1); // returns a duration
  }

  function parseRange(input, dateEnv) {
    var start = null;
    var end = null;
    if (input.start) {
      start = dateEnv.createMarker(input.start);
    }
    if (input.end) {
      end = dateEnv.createMarker(input.end);
    }
    if (!start && !end) {
      return null;
    }
    if (start && end && end < start) {
      return null;
    }
    return { start: start, end: end };
  }
  // SIDE-EFFECT: will mutate ranges.
  // Will return a new array result.
  function invertRanges(ranges, constraintRange) {
    var invertedRanges = [];
    var start = constraintRange.start; // the end of the previous range. the start of the new range
    var i;
    var dateRange;
    // ranges need to be in order. required for our date-walking algorithm
    ranges.sort(compareRanges);
    for (i = 0; i < ranges.length; i += 1) {
      dateRange = ranges[i];
      // add the span of time before the event (if there is any)
      if (dateRange.start > start) {
        // compare millisecond time (skip any ambig logic)
        invertedRanges.push({ start: start, end: dateRange.start });
      }
      if (dateRange.end > start) {
        start = dateRange.end;
      }
    }
    // add the span of time after the last event (if there is any)
    if (start < constraintRange.end) {
      // compare millisecond time (skip any ambig logic)
      invertedRanges.push({ start: start, end: constraintRange.end });
    }
    return invertedRanges;
  }
  function compareRanges(range0, range1) {
    return range0.start.valueOf() - range1.start.valueOf(); // earlier ranges go first
  }
  function intersectRanges(range0, range1) {
    var start = range0.start,
      end = range0.end;
    var newRange = null;
    if (range1.start !== null) {
      if (start === null) {
        start = range1.start;
      } else {
        start = new Date(Math.max(start.valueOf(), range1.start.valueOf()));
      }
    }
    if (range1.end != null) {
      if (end === null) {
        end = range1.end;
      } else {
        end = new Date(Math.min(end.valueOf(), range1.end.valueOf()));
      }
    }
    if (start === null || end === null || start < end) {
      newRange = { start: start, end: end };
    }
    return newRange;
  }
  function rangesEqual(range0, range1) {
    return (
      (range0.start === null ? null : range0.start.valueOf()) === (range1.start === null ? null : range1.start.valueOf()) &&
      (range0.end === null ? null : range0.end.valueOf()) === (range1.end === null ? null : range1.end.valueOf())
    );
  }
  function rangesIntersect(range0, range1) {
    return (range0.end === null || range1.start === null || range0.end > range1.start) && (range0.start === null || range1.end === null || range0.start < range1.end);
  }
  function rangeContainsRange(outerRange, innerRange) {
    return (
      (outerRange.start === null || (innerRange.start !== null && innerRange.start >= outerRange.start)) && (outerRange.end === null || (innerRange.end !== null && innerRange.end <= outerRange.end))
    );
  }
  function rangeContainsMarker(range, date) {
    return (range.start === null || date >= range.start) && (range.end === null || date < range.end);
  }
  // If the given date is not within the given range, move it inside.
  // (If it's past the end, make it one millisecond before the end).
  function constrainMarkerToRange(date, range) {
    if (range.start != null && date < range.start) {
      return range.start;
    }
    if (range.end != null && date >= range.end) {
      return new Date(range.end.valueOf() - 1);
    }
    return date;
  }

  /*
    Specifying nextDayThreshold signals that all-day ranges should be sliced.
    */
  function sliceEventStore(eventStore, eventUiBases, framingRange, nextDayThreshold) {
    var inverseBgByGroupId = {};
    var inverseBgByDefId = {};
    var defByGroupId = {};
    var bgRanges = [];
    var fgRanges = [];
    var eventUis = compileEventUis(eventStore.defs, eventUiBases);
    for (var defId in eventStore.defs) {
      var def = eventStore.defs[defId];
      var ui = eventUis[def.defId];
      if (ui.display === 'inverse-background') {
        if (def.groupId) {
          inverseBgByGroupId[def.groupId] = [];
          if (!defByGroupId[def.groupId]) {
            defByGroupId[def.groupId] = def;
          }
        } else {
          inverseBgByDefId[defId] = [];
        }
      }
    }
    for (var instanceId in eventStore.instances) {
      var instance = eventStore.instances[instanceId];
      var def = eventStore.defs[instance.defId];
      var ui = eventUis[def.defId];
      var origRange = instance.range;
      var normalRange = !def.allDay && nextDayThreshold ? computeVisibleDayRange(origRange, nextDayThreshold) : origRange;
      var slicedRange = intersectRanges(normalRange, framingRange);
      if (slicedRange) {
        if (ui.display === 'inverse-background') {
          if (def.groupId) {
            inverseBgByGroupId[def.groupId].push(slicedRange);
          } else {
            inverseBgByDefId[instance.defId].push(slicedRange);
          }
        } else if (ui.display !== 'none') {
          (ui.display === 'background' ? bgRanges : fgRanges).push({
            def: def,
            ui: ui,
            instance: instance,
            range: slicedRange,
            isStart: normalRange.start && normalRange.start.valueOf() === slicedRange.start.valueOf(),
            isEnd: normalRange.end && normalRange.end.valueOf() === slicedRange.end.valueOf(),
          });
        }
      }
    }
    for (var groupId in inverseBgByGroupId) {
      // BY GROUP
      var ranges = inverseBgByGroupId[groupId];
      var invertedRanges = invertRanges(ranges, framingRange);
      for (var _i = 0, invertedRanges_1 = invertedRanges; _i < invertedRanges_1.length; _i++) {
        var invertedRange = invertedRanges_1[_i];
        var def = defByGroupId[groupId];
        var ui = eventUis[def.defId];
        bgRanges.push({
          def: def,
          ui: ui,
          instance: null,
          range: invertedRange,
          isStart: false,
          isEnd: false,
        });
      }
    }
    for (var defId in inverseBgByDefId) {
      var ranges = inverseBgByDefId[defId];
      var invertedRanges = invertRanges(ranges, framingRange);
      for (var _a = 0, invertedRanges_2 = invertedRanges; _a < invertedRanges_2.length; _a++) {
        var invertedRange = invertedRanges_2[_a];
        bgRanges.push({
          def: eventStore.defs[defId],
          ui: eventUis[defId],
          instance: null,
          range: invertedRange,
          isStart: false,
          isEnd: false,
        });
      }
    }
    return { bg: bgRanges, fg: fgRanges };
  }
  function hasBgRendering(def) {
    return def.ui.display === 'background' || def.ui.display === 'inverse-background';
  }
  function setElSeg(el, seg) {
    el.fcSeg = seg;
  }
  function getElSeg(el) {
    return (
      el.fcSeg ||
      el.parentNode.fcSeg || // for the harness
      null
    );
  }
  // event ui computation
  function compileEventUis(eventDefs, eventUiBases) {
    return mapHash(eventDefs, function (eventDef) {
      return compileEventUi(eventDef, eventUiBases);
    });
  }
  function compileEventUi(eventDef, eventUiBases) {
    var uis = [];
    if (eventUiBases['']) {
      uis.push(eventUiBases['']);
    }
    if (eventUiBases[eventDef.defId]) {
      uis.push(eventUiBases[eventDef.defId]);
    }
    uis.push(eventDef.ui);
    return combineEventUis(uis);
  }
  function sortEventSegs(segs, eventOrderSpecs) {
    var objs = segs.map(buildSegCompareObj);
    objs.sort(function (obj0, obj1) {
      return compareByFieldSpecs(obj0, obj1, eventOrderSpecs);
    });
    return objs.map(function (c) {
      return c._seg;
    });
  }
  // returns a object with all primitive props that can be compared
  function buildSegCompareObj(seg) {
    var eventRange = seg.eventRange;
    var eventDef = eventRange.def;
    var range = eventRange.instance ? eventRange.instance.range : eventRange.range;
    var start = range.start ? range.start.valueOf() : 0; // TODO: better support for open-range events
    var end = range.end ? range.end.valueOf() : 0; // "
    return __assign(__assign(__assign({}, eventDef.extendedProps), eventDef), { id: eventDef.publicId, start: start, end: end, duration: end - start, allDay: Number(eventDef.allDay), _seg: seg });
  }
  function computeSegDraggable(seg, context) {
    var pluginHooks = context.pluginHooks;
    var transformers = pluginHooks.isDraggableTransformers;
    var _a = seg.eventRange,
      def = _a.def,
      ui = _a.ui;
    var val = ui.startEditable;
    for (var _i = 0, transformers_1 = transformers; _i < transformers_1.length; _i++) {
      var transformer = transformers_1[_i];
      val = transformer(val, def, ui, context);
    }
    return val;
  }
  function computeSegStartResizable(seg, context) {
    return seg.isStart && seg.eventRange.ui.durationEditable && context.options.eventResizableFromStart;
  }
  function computeSegEndResizable(seg, context) {
    return seg.isEnd && seg.eventRange.ui.durationEditable;
  }
  function buildSegTimeText(
    seg,
    timeFormat,
    context,
    defaultDisplayEventTime, // defaults to true
    defaultDisplayEventEnd, // defaults to true
    startOverride,
    endOverride,
  ) {
    var dateEnv = context.dateEnv,
      options = context.options;
    var displayEventTime = options.displayEventTime,
      displayEventEnd = options.displayEventEnd;
    var eventDef = seg.eventRange.def;
    var eventInstance = seg.eventRange.instance;
    if (displayEventTime == null) {
      displayEventTime = defaultDisplayEventTime !== false;
    }
    if (displayEventEnd == null) {
      displayEventEnd = defaultDisplayEventEnd !== false;
    }
    var wholeEventStart = eventInstance.range.start;
    var wholeEventEnd = eventInstance.range.end;
    var segStart = startOverride || seg.start || seg.eventRange.range.start;
    var segEnd = endOverride || seg.end || seg.eventRange.range.end;
    var isStartDay = startOfDay(wholeEventStart).valueOf() === startOfDay(segStart).valueOf();
    var isEndDay = startOfDay(addMs(wholeEventEnd, -1)).valueOf() === startOfDay(addMs(segEnd, -1)).valueOf();
    if (displayEventTime && !eventDef.allDay && (isStartDay || isEndDay)) {
      segStart = isStartDay ? wholeEventStart : segStart;
      segEnd = isEndDay ? wholeEventEnd : segEnd;
      if (displayEventEnd && eventDef.hasEnd) {
        return dateEnv.formatRange(segStart, segEnd, timeFormat, {
          forcedStartTzo: startOverride ? null : eventInstance.forcedStartTzo,
          forcedEndTzo: endOverride ? null : eventInstance.forcedEndTzo,
        });
      }
      return dateEnv.format(segStart, timeFormat, {
        forcedTzo: startOverride ? null : eventInstance.forcedStartTzo, // nooooo, same
      });
    }
    return '';
  }
  function getSegMeta(seg, todayRange, nowDate) {
    var segRange = seg.eventRange.range;
    return {
      isPast: segRange.end < (nowDate || todayRange.start),
      isFuture: segRange.start >= (nowDate || todayRange.end),
      isToday: todayRange && rangeContainsMarker(todayRange, segRange.start),
    };
  }
  function getEventClassNames(props) {
    var classNames = ['fc-event'];
    if (props.isMirror) {
      classNames.push('fc-event-mirror');
    }
    if (props.isDraggable) {
      classNames.push('fc-event-draggable');
    }
    if (props.isStartResizable || props.isEndResizable) {
      classNames.push('fc-event-resizable');
    }
    if (props.isDragging) {
      classNames.push('fc-event-dragging');
    }
    if (props.isResizing) {
      classNames.push('fc-event-resizing');
    }
    if (props.isSelected) {
      classNames.push('fc-event-selected');
    }
    if (props.isStart) {
      classNames.push('fc-event-start');
    }
    if (props.isEnd) {
      classNames.push('fc-event-end');
    }
    if (props.isPast) {
      classNames.push('fc-event-past');
    }
    if (props.isToday) {
      classNames.push('fc-event-today');
    }
    if (props.isFuture) {
      classNames.push('fc-event-future');
    }
    return classNames;
  }
  function buildEventRangeKey(eventRange) {
    return eventRange.instance ? eventRange.instance.instanceId : eventRange.def.defId + ':' + eventRange.range.start.toISOString();
    // inverse-background events don't have specific instances. TODO: better solution
  }
  function getSegAnchorAttrs(seg, context) {
    var _a = seg.eventRange,
      def = _a.def,
      instance = _a.instance;
    var url = def.url;
    if (url) {
      return { href: url };
    }
    var emitter = context.emitter,
      options = context.options;
    var eventInteractive = options.eventInteractive;
    if (eventInteractive == null) {
      eventInteractive = def.interactive;
      if (eventInteractive == null) {
        eventInteractive = Boolean(emitter.hasHandlers('eventClick'));
      }
    }
    // mock what happens in EventClicking
    if (eventInteractive) {
      // only attach keyboard-related handlers because click handler is already done in EventClicking
      return createAriaKeyboardAttrs(function (ev) {
        emitter.trigger('eventClick', {
          el: ev.target,
          event: new EventApi(context, def, instance),
          jsEvent: ev,
          view: context.viewApi,
        });
      });
    }
    return {};
  }

  var STANDARD_PROPS = {
    start: identity,
    end: identity,
    allDay: Boolean,
  };
  function parseDateSpan(raw, dateEnv, defaultDuration) {
    var span = parseOpenDateSpan(raw, dateEnv);
    var range = span.range;
    if (!range.start) {
      return null;
    }
    if (!range.end) {
      if (defaultDuration == null) {
        return null;
      }
      range.end = dateEnv.add(range.start, defaultDuration);
    }
    return span;
  }
  /*
    TODO: somehow combine with parseRange?
    Will return null if the start/end props were present but parsed invalidly.
    */
  function parseOpenDateSpan(raw, dateEnv) {
    var _a = refineProps(raw, STANDARD_PROPS),
      standardProps = _a.refined,
      extra = _a.extra;
    var startMeta = standardProps.start ? dateEnv.createMarkerMeta(standardProps.start) : null;
    var endMeta = standardProps.end ? dateEnv.createMarkerMeta(standardProps.end) : null;
    var allDay = standardProps.allDay;
    if (allDay == null) {
      allDay = startMeta && startMeta.isTimeUnspecified && (!endMeta || endMeta.isTimeUnspecified);
    }
    return __assign(
      {
        range: {
          start: startMeta ? startMeta.marker : null,
          end: endMeta ? endMeta.marker : null,
        },
        allDay: allDay,
      },
      extra,
    );
  }
  function isDateSpansEqual(span0, span1) {
    return rangesEqual(span0.range, span1.range) && span0.allDay === span1.allDay && isSpanPropsEqual(span0, span1);
  }
  // the NON-DATE-RELATED props
  function isSpanPropsEqual(span0, span1) {
    for (var propName in span1) {
      if (propName !== 'range' && propName !== 'allDay') {
        if (span0[propName] !== span1[propName]) {
          return false;
        }
      }
    }
    // are there any props that span0 has that span1 DOESN'T have?
    // both have range/allDay, so no need to special-case.
    for (var propName in span0) {
      if (!(propName in span1)) {
        return false;
      }
    }
    return true;
  }
  function buildDateSpanApi(span, dateEnv) {
    return __assign(__assign({}, buildRangeApi(span.range, dateEnv, span.allDay)), { allDay: span.allDay });
  }
  function buildRangeApiWithTimeZone(range, dateEnv, omitTime) {
    return __assign(__assign({}, buildRangeApi(range, dateEnv, omitTime)), { timeZone: dateEnv.timeZone });
  }
  function buildRangeApi(range, dateEnv, omitTime) {
    return {
      start: dateEnv.toDate(range.start),
      end: dateEnv.toDate(range.end),
      startStr: dateEnv.formatIso(range.start, { omitTime: omitTime }),
      endStr: dateEnv.formatIso(range.end, { omitTime: omitTime }),
    };
  }
  function fabricateEventRange(dateSpan, eventUiBases, context) {
    var res = refineEventDef({ editable: false }, context);
    var def = parseEventDef(
      res.refined,
      res.extra,
      '', // sourceId
      dateSpan.allDay,
      true, // hasEnd
      context,
    );
    return {
      def: def,
      ui: compileEventUi(def, eventUiBases),
      instance: createEventInstance(def.defId, dateSpan.range),
      range: dateSpan.range,
      isStart: true,
      isEnd: true,
    };
  }

  function triggerDateSelect(selection, pev, context) {
    context.emitter.trigger(
      'select',
      __assign(__assign({}, buildDateSpanApiWithContext(selection, context)), { jsEvent: pev ? pev.origEvent : null, view: context.viewApi || context.calendarApi.view }),
    );
  }
  function triggerDateUnselect(pev, context) {
    context.emitter.trigger('unselect', {
      jsEvent: pev ? pev.origEvent : null,
      view: context.viewApi || context.calendarApi.view,
    });
  }
  function buildDateSpanApiWithContext(dateSpan, context) {
    var props = {};
    for (var _i = 0, _a = context.pluginHooks.dateSpanTransforms; _i < _a.length; _i++) {
      var transform = _a[_i];
      __assign(props, transform(dateSpan, context));
    }
    __assign(props, buildDateSpanApi(dateSpan, context.dateEnv));
    return props;
  }
  // Given an event's allDay status and start date, return what its fallback end date should be.
  // TODO: rename to computeDefaultEventEnd
  function getDefaultEventEnd(allDay, marker, context) {
    var dateEnv = context.dateEnv,
      options = context.options;
    var end = marker;
    if (allDay) {
      end = startOfDay(end);
      end = dateEnv.add(end, options.defaultAllDayEventDuration);
    } else {
      end = dateEnv.add(end, options.defaultTimedEventDuration);
    }
    return end;
  }

  // applies the mutation to ALL defs/instances within the event store
  function applyMutationToEventStore(eventStore, eventConfigBase, mutation, context) {
    var eventConfigs = compileEventUis(eventStore.defs, eventConfigBase);
    var dest = createEmptyEventStore();
    for (var defId in eventStore.defs) {
      var def = eventStore.defs[defId];
      dest.defs[defId] = applyMutationToEventDef(def, eventConfigs[defId], mutation, context);
    }
    for (var instanceId in eventStore.instances) {
      var instance = eventStore.instances[instanceId];
      var def = dest.defs[instance.defId]; // important to grab the newly modified def
      dest.instances[instanceId] = applyMutationToEventInstance(instance, def, eventConfigs[instance.defId], mutation, context);
    }
    return dest;
  }
  function applyMutationToEventDef(eventDef, eventConfig, mutation, context) {
    var standardProps = mutation.standardProps || {};
    // if hasEnd has not been specified, guess a good value based on deltas.
    // if duration will change, there's no way the default duration will persist,
    // and thus, we need to mark the event as having a real end
    if (standardProps.hasEnd == null && eventConfig.durationEditable && (mutation.startDelta || mutation.endDelta)) {
      standardProps.hasEnd = true; // TODO: is this mutation okay?
    }
    var copy = __assign(__assign(__assign({}, eventDef), standardProps), { ui: __assign(__assign({}, eventDef.ui), standardProps.ui) });
    if (mutation.extendedProps) {
      copy.extendedProps = __assign(__assign({}, copy.extendedProps), mutation.extendedProps);
    }
    for (var _i = 0, _a = context.pluginHooks.eventDefMutationAppliers; _i < _a.length; _i++) {
      var applier = _a[_i];
      applier(copy, mutation, context);
    }
    if (!copy.hasEnd && context.options.forceEventDuration) {
      copy.hasEnd = true;
    }
    return copy;
  }
  function applyMutationToEventInstance(
    eventInstance,
    eventDef, // must first be modified by applyMutationToEventDef
    eventConfig,
    mutation,
    context,
  ) {
    var dateEnv = context.dateEnv;
    var forceAllDay = mutation.standardProps && mutation.standardProps.allDay === true;
    var clearEnd = mutation.standardProps && mutation.standardProps.hasEnd === false;
    var copy = __assign({}, eventInstance);
    if (forceAllDay) {
      copy.range = computeAlignedDayRange(copy.range);
    }
    if (mutation.datesDelta && eventConfig.startEditable) {
      copy.range = {
        start: dateEnv.add(copy.range.start, mutation.datesDelta),
        end: dateEnv.add(copy.range.end, mutation.datesDelta),
      };
    }
    if (mutation.startDelta && eventConfig.durationEditable) {
      copy.range = {
        start: dateEnv.add(copy.range.start, mutation.startDelta),
        end: copy.range.end,
      };
    }
    if (mutation.endDelta && eventConfig.durationEditable) {
      copy.range = {
        start: copy.range.start,
        end: dateEnv.add(copy.range.end, mutation.endDelta),
      };
    }
    if (clearEnd) {
      copy.range = {
        start: copy.range.start,
        end: getDefaultEventEnd(eventDef.allDay, copy.range.start, context),
      };
    }
    // in case event was all-day but the supplied deltas were not
    // better util for this?
    if (eventDef.allDay) {
      copy.range = {
        start: startOfDay(copy.range.start),
        end: startOfDay(copy.range.end),
      };
    }
    // handle invalid durations
    if (copy.range.end < copy.range.start) {
      copy.range.end = getDefaultEventEnd(eventDef.allDay, copy.range.start, context);
    }
    return copy;
  }

  // no public types yet. when there are, export from:
  // import {} from './api-type-deps'
  var ViewApi = /** @class */ (function () {
    function ViewApi(type, getCurrentData, dateEnv) {
      this.type = type;
      this.getCurrentData = getCurrentData;
      this.dateEnv = dateEnv;
    }
    Object.defineProperty(ViewApi.prototype, 'calendar', {
      get: function () {
        return this.getCurrentData().calendarApi;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(ViewApi.prototype, 'title', {
      get: function () {
        return this.getCurrentData().viewTitle;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(ViewApi.prototype, 'activeStart', {
      get: function () {
        return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.start);
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(ViewApi.prototype, 'activeEnd', {
      get: function () {
        return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.end);
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(ViewApi.prototype, 'currentStart', {
      get: function () {
        return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.start);
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(ViewApi.prototype, 'currentEnd', {
      get: function () {
        return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.end);
      },
      enumerable: false,
      configurable: true,
    });
    ViewApi.prototype.getOption = function (name) {
      return this.getCurrentData().options[name]; // are the view-specific options
    };
    return ViewApi;
  })();

  var EVENT_SOURCE_REFINERS$1 = {
    id: String,
    defaultAllDay: Boolean,
    url: String,
    format: String,
    events: identity,
    eventDataTransform: identity,
    // for any network-related sources
    success: identity,
    failure: identity,
  };
  function parseEventSource(raw, context, refiners) {
    if (refiners === void 0) {
      refiners = buildEventSourceRefiners(context);
    }
    var rawObj;
    if (typeof raw === 'string') {
      rawObj = { url: raw };
    } else if (typeof raw === 'function' || Array.isArray(raw)) {
      rawObj = { events: raw };
    } else if (typeof raw === 'object' && raw) {
      // not null
      rawObj = raw;
    }
    if (rawObj) {
      var _a = refineProps(rawObj, refiners),
        refined = _a.refined,
        extra = _a.extra;
      var metaRes = buildEventSourceMeta(refined, context);
      if (metaRes) {
        return {
          _raw: raw,
          isFetching: false,
          latestFetchId: '',
          fetchRange: null,
          defaultAllDay: refined.defaultAllDay,
          eventDataTransform: refined.eventDataTransform,
          success: refined.success,
          failure: refined.failure,
          publicId: refined.id || '',
          sourceId: guid(),
          sourceDefId: metaRes.sourceDefId,
          meta: metaRes.meta,
          ui: createEventUi(refined, context),
          extendedProps: extra,
        };
      }
    }
    return null;
  }
  function buildEventSourceRefiners(context) {
    return __assign(__assign(__assign({}, EVENT_UI_REFINERS), EVENT_SOURCE_REFINERS$1), context.pluginHooks.eventSourceRefiners);
  }
  function buildEventSourceMeta(raw, context) {
    var defs = context.pluginHooks.eventSourceDefs;
    for (var i = defs.length - 1; i >= 0; i -= 1) {
      // later-added plugins take precedence
      var def = defs[i];
      var meta = def.parseMeta(raw);
      if (meta) {
        return { sourceDefId: i, meta: meta };
      }
    }
    return null;
  }

  function reduceCurrentDate(currentDate, action) {
    switch (action.type) {
      case 'CHANGE_DATE':
        return action.dateMarker;
      default:
        return currentDate;
    }
  }
  function getInitialDate(options, dateEnv) {
    var initialDateInput = options.initialDate;
    // compute the initial ambig-timezone date
    if (initialDateInput != null) {
      return dateEnv.createMarker(initialDateInput);
    }
    return getNow(options.now, dateEnv); // getNow already returns unzoned
  }
  function getNow(nowInput, dateEnv) {
    if (typeof nowInput === 'function') {
      nowInput = nowInput();
    }
    if (nowInput == null) {
      return dateEnv.createNowMarker();
    }
    return dateEnv.createMarker(nowInput);
  }

  var CalendarApi = /** @class */ (function () {
    function CalendarApi() {}
    CalendarApi.prototype.getCurrentData = function () {
      return this.currentDataManager.getCurrentData();
    };
    CalendarApi.prototype.dispatch = function (action) {
      return this.currentDataManager.dispatch(action);
    };
    Object.defineProperty(CalendarApi.prototype, 'view', {
      get: function () {
        return this.getCurrentData().viewApi;
      }, // for public API
      enumerable: false,
      configurable: true,
    });
    CalendarApi.prototype.batchRendering = function (callback) {
      callback();
    };
    CalendarApi.prototype.updateSize = function () {
      this.trigger('_resize', true);
    };
    // Options
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.setOption = function (name, val) {
      this.dispatch({
        type: 'SET_OPTION',
        optionName: name,
        rawOptionValue: val,
      });
    };
    CalendarApi.prototype.getOption = function (name) {
      return this.currentDataManager.currentCalendarOptionsInput[name];
    };
    CalendarApi.prototype.getAvailableLocaleCodes = function () {
      return Object.keys(this.getCurrentData().availableRawLocales);
    };
    // Trigger
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.on = function (handlerName, handler) {
      var currentDataManager = this.currentDataManager;
      if (currentDataManager.currentCalendarOptionsRefiners[handlerName]) {
        currentDataManager.emitter.on(handlerName, handler);
      } else {
        console.warn("Unknown listener name '" + handlerName + "'");
      }
    };
    CalendarApi.prototype.off = function (handlerName, handler) {
      this.currentDataManager.emitter.off(handlerName, handler);
    };
    // not meant for public use
    CalendarApi.prototype.trigger = function (handlerName) {
      var _a;
      var args = [];
      for (var _i = 1; _i < arguments.length; _i++) {
        args[_i - 1] = arguments[_i];
      }
      (_a = this.currentDataManager.emitter).trigger.apply(_a, __spreadArray([handlerName], args));
    };
    // View
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.changeView = function (viewType, dateOrRange) {
      var _this = this;
      this.batchRendering(function () {
        _this.unselect();
        if (dateOrRange) {
          if (dateOrRange.start && dateOrRange.end) {
            // a range
            _this.dispatch({
              type: 'CHANGE_VIEW_TYPE',
              viewType: viewType,
            });
            _this.dispatch({
              type: 'SET_OPTION',
              optionName: 'visibleRange',
              rawOptionValue: dateOrRange,
            });
          } else {
            var dateEnv = _this.getCurrentData().dateEnv;
            _this.dispatch({
              type: 'CHANGE_VIEW_TYPE',
              viewType: viewType,
              dateMarker: dateEnv.createMarker(dateOrRange),
            });
          }
        } else {
          _this.dispatch({
            type: 'CHANGE_VIEW_TYPE',
            viewType: viewType,
          });
        }
      });
    };
    // Forces navigation to a view for the given date.
    // `viewType` can be a specific view name or a generic one like "week" or "day".
    // needs to change
    CalendarApi.prototype.zoomTo = function (dateMarker, viewType) {
      var state = this.getCurrentData();
      var spec;
      viewType = viewType || 'day'; // day is default zoom
      spec = state.viewSpecs[viewType] || this.getUnitViewSpec(viewType);
      this.unselect();
      if (spec) {
        this.dispatch({
          type: 'CHANGE_VIEW_TYPE',
          viewType: spec.type,
          dateMarker: dateMarker,
        });
      } else {
        this.dispatch({
          type: 'CHANGE_DATE',
          dateMarker: dateMarker,
        });
      }
    };
    // Given a duration singular unit, like "week" or "day", finds a matching view spec.
    // Preference is given to views that have corresponding buttons.
    CalendarApi.prototype.getUnitViewSpec = function (unit) {
      var _a = this.getCurrentData(),
        viewSpecs = _a.viewSpecs,
        toolbarConfig = _a.toolbarConfig;
      var viewTypes = [].concat(toolbarConfig.header ? toolbarConfig.header.viewsWithButtons : [], toolbarConfig.footer ? toolbarConfig.footer.viewsWithButtons : []);
      var i;
      var spec;
      for (var viewType in viewSpecs) {
        viewTypes.push(viewType);
      }
      for (i = 0; i < viewTypes.length; i += 1) {
        spec = viewSpecs[viewTypes[i]];
        if (spec) {
          if (spec.singleUnit === unit) {
            return spec;
          }
        }
      }
      return null;
    };
    // Current Date
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.prev = function () {
      this.unselect();
      this.dispatch({ type: 'PREV' });
    };
    CalendarApi.prototype.next = function () {
      this.unselect();
      this.dispatch({ type: 'NEXT' });
    };
    CalendarApi.prototype.prevYear = function () {
      var state = this.getCurrentData();
      this.unselect();
      this.dispatch({
        type: 'CHANGE_DATE',
        dateMarker: state.dateEnv.addYears(state.currentDate, -1),
      });
    };
    CalendarApi.prototype.nextYear = function () {
      var state = this.getCurrentData();
      this.unselect();
      this.dispatch({
        type: 'CHANGE_DATE',
        dateMarker: state.dateEnv.addYears(state.currentDate, 1),
      });
    };
    CalendarApi.prototype.today = function () {
      var state = this.getCurrentData();
      this.unselect();
      this.dispatch({
        type: 'CHANGE_DATE',
        dateMarker: getNow(state.calendarOptions.now, state.dateEnv),
      });
    };
    CalendarApi.prototype.gotoDate = function (zonedDateInput) {
      var state = this.getCurrentData();
      this.unselect();
      this.dispatch({
        type: 'CHANGE_DATE',
        dateMarker: state.dateEnv.createMarker(zonedDateInput),
      });
    };
    CalendarApi.prototype.incrementDate = function (deltaInput) {
      var state = this.getCurrentData();
      var delta = createDuration(deltaInput);
      if (delta) {
        // else, warn about invalid input?
        this.unselect();
        this.dispatch({
          type: 'CHANGE_DATE',
          dateMarker: state.dateEnv.add(state.currentDate, delta),
        });
      }
    };
    // for external API
    CalendarApi.prototype.getDate = function () {
      var state = this.getCurrentData();
      return state.dateEnv.toDate(state.currentDate);
    };
    // Date Formatting Utils
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.formatDate = function (d, formatter) {
      var dateEnv = this.getCurrentData().dateEnv;
      return dateEnv.format(dateEnv.createMarker(d), createFormatter(formatter));
    };
    // `settings` is for formatter AND isEndExclusive
    CalendarApi.prototype.formatRange = function (d0, d1, settings) {
      var dateEnv = this.getCurrentData().dateEnv;
      return dateEnv.formatRange(dateEnv.createMarker(d0), dateEnv.createMarker(d1), createFormatter(settings), settings);
    };
    CalendarApi.prototype.formatIso = function (d, omitTime) {
      var dateEnv = this.getCurrentData().dateEnv;
      return dateEnv.formatIso(dateEnv.createMarker(d), { omitTime: omitTime });
    };
    // Date Selection / Event Selection / DayClick
    // -----------------------------------------------------------------------------------------------------------------
    // this public method receives start/end dates in any format, with any timezone
    // NOTE: args were changed from v3
    CalendarApi.prototype.select = function (dateOrObj, endDate) {
      var selectionInput;
      if (endDate == null) {
        if (dateOrObj.start != null) {
          selectionInput = dateOrObj;
        } else {
          selectionInput = {
            start: dateOrObj,
            end: null,
          };
        }
      } else {
        selectionInput = {
          start: dateOrObj,
          end: endDate,
        };
      }
      var state = this.getCurrentData();
      var selection = parseDateSpan(selectionInput, state.dateEnv, createDuration({ days: 1 }));
      if (selection) {
        // throw parse error otherwise?
        this.dispatch({ type: 'SELECT_DATES', selection: selection });
        triggerDateSelect(selection, null, state);
      }
    };
    // public method
    CalendarApi.prototype.unselect = function (pev) {
      var state = this.getCurrentData();
      if (state.dateSelection) {
        this.dispatch({ type: 'UNSELECT_DATES' });
        triggerDateUnselect(pev, state);
      }
    };
    // Public Events API
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.addEvent = function (eventInput, sourceInput) {
      if (eventInput instanceof EventApi) {
        var def = eventInput._def;
        var instance = eventInput._instance;
        var currentData = this.getCurrentData();
        // not already present? don't want to add an old snapshot
        if (!currentData.eventStore.defs[def.defId]) {
          this.dispatch({
            type: 'ADD_EVENTS',
            eventStore: eventTupleToStore({ def: def, instance: instance }), // TODO: better util for two args?
          });
          this.triggerEventAdd(eventInput);
        }
        return eventInput;
      }
      var state = this.getCurrentData();
      var eventSource;
      if (sourceInput instanceof EventSourceApi) {
        eventSource = sourceInput.internalEventSource;
      } else if (typeof sourceInput === 'boolean') {
        if (sourceInput) {
          // true. part of the first event source
          eventSource = hashValuesToArray(state.eventSources)[0];
        }
      } else if (sourceInput != null) {
        // an ID. accepts a number too
        var sourceApi = this.getEventSourceById(sourceInput); // TODO: use an internal function
        if (!sourceApi) {
          console.warn('Could not find an event source with ID "' + sourceInput + '"'); // TODO: test
          return null;
        }
        eventSource = sourceApi.internalEventSource;
      }

      var tuple = parseEvent(eventInput, eventSource, state, false);
      if (tuple) {
        var newEventApi = new EventApi(state, tuple.def, tuple.def.recurringDef ? null : tuple.instance);
        this.dispatch({
          type: 'ADD_EVENTS',
          eventStore: eventTupleToStore(tuple),
        });
        this.triggerEventAdd(newEventApi);
        return newEventApi;
      }
      return null;
    };
    CalendarApi.prototype.triggerEventAdd = function (eventApi) {
      var _this = this;
      var emitter = this.getCurrentData().emitter;
      emitter.trigger('eventAdd', {
        event: eventApi,
        relatedEvents: [],
        revert: function () {
          _this.dispatch({
            type: 'REMOVE_EVENTS',
            eventStore: eventApiToStore(eventApi),
          });
        },
      });
    };
    // TODO: optimize
    CalendarApi.prototype.getEventById = function (id) {
      var state = this.getCurrentData();
      var _a = state.eventStore,
        defs = _a.defs,
        instances = _a.instances;
      id = String(id);
      for (var defId in defs) {
        var def = defs[defId];
        if (def.publicId === id) {
          if (def.recurringDef) {
            return new EventApi(state, def, null);
          }
          for (var instanceId in instances) {
            var instance = instances[instanceId];
            if (instance.defId === def.defId) {
              return new EventApi(state, def, instance);
            }
          }
        }
      }
      return null;
    };
    CalendarApi.prototype.getEvents = function () {
      var currentData = this.getCurrentData();
      return buildEventApis(currentData.eventStore, currentData);
    };
    CalendarApi.prototype.removeAllEvents = function () {
      this.dispatch({ type: 'REMOVE_ALL_EVENTS' });
    };
    // Public Event Sources API
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.getEventSources = function () {
      var state = this.getCurrentData();
      var sourceHash = state.eventSources;
      var sourceApis = [];
      for (var internalId in sourceHash) {
        sourceApis.push(new EventSourceApi(state, sourceHash[internalId]));
      }
      return sourceApis;
    };
    CalendarApi.prototype.getEventSourceById = function (id) {
      var state = this.getCurrentData();
      var sourceHash = state.eventSources;
      id = String(id);
      for (var sourceId in sourceHash) {
        if (sourceHash[sourceId].publicId === id) {
          return new EventSourceApi(state, sourceHash[sourceId]);
        }
      }
      return null;
    };
    CalendarApi.prototype.addEventSource = function (sourceInput) {
      var state = this.getCurrentData();
      if (sourceInput instanceof EventSourceApi) {
        // not already present? don't want to add an old snapshot
        if (!state.eventSources[sourceInput.internalEventSource.sourceId]) {
          this.dispatch({
            type: 'ADD_EVENT_SOURCES',
            sources: [sourceInput.internalEventSource],
          });
        }
        return sourceInput;
      }
      var eventSource = parseEventSource(sourceInput, state);
      if (eventSource) {
        // TODO: error otherwise?
        this.dispatch({ type: 'ADD_EVENT_SOURCES', sources: [eventSource] });
        return new EventSourceApi(state, eventSource);
      }
      return null;
    };
    CalendarApi.prototype.removeAllEventSources = function () {
      this.dispatch({ type: 'REMOVE_ALL_EVENT_SOURCES' });
    };
    CalendarApi.prototype.refetchEvents = function () {
      this.dispatch({ type: 'FETCH_EVENT_SOURCES', isRefetch: true });
    };
    // Scroll
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.scrollToTime = function (timeInput) {
      var time = createDuration(timeInput);
      if (time) {
        this.trigger('_scrollRequest', { time: time });
      }
    };
    return CalendarApi;
  })();

  var EventApi = /** @class */ (function () {
    // instance will be null if expressing a recurring event that has no current instances,
    // OR if trying to validate an incoming external event that has no dates assigned
    function EventApi(context, def, instance) {
      this._context = context;
      this._def = def;
      this._instance = instance || null;
    }
    /*
        TODO: make event struct more responsible for this
        */
    EventApi.prototype.setProp = function (name, val) {
      var _a, _b;
      if (name in EVENT_DATE_REFINERS) {
        console.warn("Could not set date-related prop 'name'. Use one of the date-related methods instead.");
        // TODO: make proper aliasing system?
      } else if (name === 'id') {
        val = EVENT_NON_DATE_REFINERS[name](val);
        this.mutate({
          standardProps: { publicId: val }, // hardcoded internal name
        });
      } else if (name in EVENT_NON_DATE_REFINERS) {
        val = EVENT_NON_DATE_REFINERS[name](val);
        this.mutate({
          standardProps: ((_a = {}), (_a[name] = val), _a),
        });
      } else if (name in EVENT_UI_REFINERS) {
        var ui = EVENT_UI_REFINERS[name](val);
        if (name === 'color') {
          ui = { backgroundColor: val, borderColor: val };
        } else if (name === 'editable') {
          ui = { startEditable: val, durationEditable: val };
        } else {
          ui = ((_b = {}), (_b[name] = val), _b);
        }
        this.mutate({
          standardProps: { ui: ui },
        });
      } else {
        console.warn("Could not set prop '" + name + "'. Use setExtendedProp instead.");
      }
    };
    EventApi.prototype.setExtendedProp = function (name, val) {
      var _a;
      this.mutate({
        extendedProps: ((_a = {}), (_a[name] = val), _a),
      });
    };
    EventApi.prototype.setStart = function (startInput, options) {
      if (options === void 0) {
        options = {};
      }
      var dateEnv = this._context.dateEnv;
      var start = dateEnv.createMarker(startInput);
      if (start && this._instance) {
        // TODO: warning if parsed bad
        var instanceRange = this._instance.range;
        var startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity); // what if parsed bad!?
        if (options.maintainDuration) {
          this.mutate({ datesDelta: startDelta });
        } else {
          this.mutate({ startDelta: startDelta });
        }
      }
    };
    EventApi.prototype.setEnd = function (endInput, options) {
      if (options === void 0) {
        options = {};
      }
      var dateEnv = this._context.dateEnv;
      var end;
      if (endInput != null) {
        end = dateEnv.createMarker(endInput);
        if (!end) {
          return; // TODO: warning if parsed bad
        }
      }
      if (this._instance) {
        if (end) {
          var endDelta = diffDates(this._instance.range.end, end, dateEnv, options.granularity);
          this.mutate({ endDelta: endDelta });
        } else {
          this.mutate({ standardProps: { hasEnd: false } });
        }
      }
    };
    EventApi.prototype.setDates = function (startInput, endInput, options) {
      if (options === void 0) {
        options = {};
      }
      var dateEnv = this._context.dateEnv;
      var standardProps = { allDay: options.allDay };
      var start = dateEnv.createMarker(startInput);
      var end;
      if (!start) {
        return; // TODO: warning if parsed bad
      }
      if (endInput != null) {
        end = dateEnv.createMarker(endInput);
        if (!end) {
          // TODO: warning if parsed bad
          return;
        }
      }
      if (this._instance) {
        var instanceRange = this._instance.range;
        // when computing the diff for an event being converted to all-day,
        // compute diff off of the all-day values the way event-mutation does.
        if (options.allDay === true) {
          instanceRange = computeAlignedDayRange(instanceRange);
        }
        var startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity);
        if (end) {
          var endDelta = diffDates(instanceRange.end, end, dateEnv, options.granularity);
          if (durationsEqual(startDelta, endDelta)) {
            this.mutate({ datesDelta: startDelta, standardProps: standardProps });
          } else {
            this.mutate({ startDelta: startDelta, endDelta: endDelta, standardProps: standardProps });
          }
        } else {
          // means "clear the end"
          standardProps.hasEnd = false;
          this.mutate({ datesDelta: startDelta, standardProps: standardProps });
        }
      }
    };
    EventApi.prototype.moveStart = function (deltaInput) {
      var delta = createDuration(deltaInput);
      if (delta) {
        // TODO: warning if parsed bad
        this.mutate({ startDelta: delta });
      }
    };
    EventApi.prototype.moveEnd = function (deltaInput) {
      var delta = createDuration(deltaInput);
      if (delta) {
        // TODO: warning if parsed bad
        this.mutate({ endDelta: delta });
      }
    };
    EventApi.prototype.moveDates = function (deltaInput) {
      var delta = createDuration(deltaInput);
      if (delta) {
        // TODO: warning if parsed bad
        this.mutate({ datesDelta: delta });
      }
    };
    EventApi.prototype.setAllDay = function (allDay, options) {
      if (options === void 0) {
        options = {};
      }
      var standardProps = { allDay: allDay };
      var maintainDuration = options.maintainDuration;
      if (maintainDuration == null) {
        maintainDuration = this._context.options.allDayMaintainDuration;
      }
      if (this._def.allDay !== allDay) {
        standardProps.hasEnd = maintainDuration;
      }
      this.mutate({ standardProps: standardProps });
    };
    EventApi.prototype.formatRange = function (formatInput) {
      var dateEnv = this._context.dateEnv;
      var instance = this._instance;
      var formatter = createFormatter(formatInput);
      if (this._def.hasEnd) {
        return dateEnv.formatRange(instance.range.start, instance.range.end, formatter, {
          forcedStartTzo: instance.forcedStartTzo,
          forcedEndTzo: instance.forcedEndTzo,
        });
      }
      return dateEnv.format(instance.range.start, formatter, {
        forcedTzo: instance.forcedStartTzo,
      });
    };
    EventApi.prototype.mutate = function (mutation) {
      var instance = this._instance;
      if (instance) {
        var def = this._def;
        var context_1 = this._context;
        var eventStore_1 = context_1.getCurrentData().eventStore;
        var relevantEvents = getRelevantEvents(eventStore_1, instance.instanceId);
        var eventConfigBase = {
          '': {
            display: '',
            startEditable: true,
            durationEditable: true,
            constraints: [],
            overlap: null,
            allows: [],
            backgroundColor: '',
            borderColor: '',
            textColor: '',
            classNames: [],
          },
        };
        relevantEvents = applyMutationToEventStore(relevantEvents, eventConfigBase, mutation, context_1);
        var oldEvent = new EventApi(context_1, def, instance); // snapshot
        this._def = relevantEvents.defs[def.defId];
        this._instance = relevantEvents.instances[instance.instanceId];
        context_1.dispatch({
          type: 'MERGE_EVENTS',
          eventStore: relevantEvents,
        });
        context_1.emitter.trigger('eventChange', {
          oldEvent: oldEvent,
          event: this,
          relatedEvents: buildEventApis(relevantEvents, context_1, instance),
          revert: function () {
            context_1.dispatch({
              type: 'RESET_EVENTS',
              eventStore: eventStore_1,
            });
          },
        });
      }
    };
    EventApi.prototype.remove = function () {
      var context = this._context;
      var asStore = eventApiToStore(this);
      context.dispatch({
        type: 'REMOVE_EVENTS',
        eventStore: asStore,
      });
      context.emitter.trigger('eventRemove', {
        event: this,
        relatedEvents: [],
        revert: function () {
          context.dispatch({
            type: 'MERGE_EVENTS',
            eventStore: asStore,
          });
        },
      });
    };
    Object.defineProperty(EventApi.prototype, 'source', {
      get: function () {
        var sourceId = this._def.sourceId;
        if (sourceId) {
          return new EventSourceApi(this._context, this._context.getCurrentData().eventSources[sourceId]);
        }
        return null;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'start', {
      get: function () {
        return this._instance ? this._context.dateEnv.toDate(this._instance.range.start) : null;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'end', {
      get: function () {
        return this._instance && this._def.hasEnd ? this._context.dateEnv.toDate(this._instance.range.end) : null;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'startStr', {
      get: function () {
        var instance = this._instance;
        if (instance) {
          return this._context.dateEnv.formatIso(instance.range.start, {
            omitTime: this._def.allDay,
            forcedTzo: instance.forcedStartTzo,
          });
        }
        return '';
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'endStr', {
      get: function () {
        var instance = this._instance;
        if (instance && this._def.hasEnd) {
          return this._context.dateEnv.formatIso(instance.range.end, {
            omitTime: this._def.allDay,
            forcedTzo: instance.forcedEndTzo,
          });
        }
        return '';
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'id', {
      // computable props that all access the def
      // TODO: find a TypeScript-compatible way to do this at scale
      get: function () {
        return this._def.publicId;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'groupId', {
      get: function () {
        return this._def.groupId;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'subTitle', {
      get: function () {
        return this._def.subTitle;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'image', {
      get: function () {
        return this._def.image;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'task', {
      get: function () {
        return this._def.task;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'hours', {
      get: function () {
        return this._def.hours;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'allDay', {
      get: function () {
        return this._def.allDay;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'title', {
      get: function () {
        return this._def.title;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'url', {
      get: function () {
        return this._def.url;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'display', {
      get: function () {
        return this._def.ui.display || 'auto';
      }, // bad. just normalize the type earlier
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'startEditable', {
      get: function () {
        return this._def.ui.startEditable;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'durationEditable', {
      get: function () {
        return this._def.ui.durationEditable;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'constraint', {
      get: function () {
        return this._def.ui.constraints[0] || null;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'overlap', {
      get: function () {
        return this._def.ui.overlap;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'allow', {
      get: function () {
        return this._def.ui.allows[0] || null;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'backgroundColor', {
      get: function () {
        return this._def.ui.backgroundColor;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'borderColor', {
      get: function () {
        return this._def.ui.borderColor;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'textColor', {
      get: function () {
        return this._def.ui.textColor;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'classNames', {
      // NOTE: user can't modify these because Object.freeze was called in event-def parsing
      get: function () {
        return this._def.ui.classNames;
      },
      enumerable: false,
      configurable: true,
    });
    Object.defineProperty(EventApi.prototype, 'extendedProps', {
      get: function () {
        return this._def.extendedProps;
      },
      enumerable: false,
      configurable: true,
    });
    EventApi.prototype.toPlainObject = function (settings) {
      if (settings === void 0) {
        settings = {};
      }
      var def = this._def;
      var ui = def.ui;
      var _a = this,
        startStr = _a.startStr,
        endStr = _a.endStr;
      var res = {};
      if (def.title) {
        res.title = def.title;
      }
      if (def.subTitle) {
        res.subTitle = def.subTitle;
      }
      if (def.imaege) {
        res.imaege = def.imaege;
      }
      if (startStr) {
        res.start = startStr;
      }
      if (endStr) {
        res.end = endStr;
      }
      if (def.publicId) {
        res.id = def.publicId;
      }
      if (def.groupId) {
        res.groupId = def.groupId;
      }
      if (def.url) {
        res.url = def.url;
      }
      if (ui.display && ui.display !== 'auto') {
        res.display = ui.display;
      }
      // TODO: what about recurring-event properties???
      // TODO: include startEditable/durationEditable/constraint/overlap/allow
      if (settings.collapseColor && ui.backgroundColor && ui.backgroundColor === ui.borderColor) {
        res.color = ui.backgroundColor;
      } else {
        if (ui.backgroundColor) {
          res.backgroundColor = ui.backgroundColor;
        }
        if (ui.borderColor) {
          res.borderColor = ui.borderColor;
        }
      }
      if (ui.textColor) {
        res.textColor = ui.textColor;
      }
      if (ui.classNames.length) {
        res.classNames = ui.classNames;
      }
      if (Object.keys(def.extendedProps).length) {
        if (settings.collapseExtendedProps) {
          __assign(res, def.extendedProps);
        } else {
          res.extendedProps = def.extendedProps;
        }
      }
      return res;
    };
    EventApi.prototype.toJSON = function () {
      return this.toPlainObject();
    };
    return EventApi;
  })();
  function eventApiToStore(eventApi) {
    var _a, _b;
    var def = eventApi._def;
    var instance = eventApi._instance;
    return {
      defs: ((_a = {}), (_a[def.defId] = def), _a),
      instances: instance ? ((_b = {}), (_b[instance.instanceId] = instance), _b) : {},
    };
  }
  function buildEventApis(eventStore, context, excludeInstance) {
    var defs = eventStore.defs,
      instances = eventStore.instances;
    var eventApis = [];
    var excludeInstanceId = excludeInstance ? excludeInstance.instanceId : '';
    for (var id in instances) {
      var instance = instances[id];
      var def = defs[instance.defId];
      if (instance.instanceId !== excludeInstanceId) {
        eventApis.push(new EventApi(context, def, instance));
      }
    }
    return eventApis;
  }

  var calendarSystemClassMap = {};
  function registerCalendarSystem(name, theClass) {
    calendarSystemClassMap[name] = theClass;
  }
  function createCalendarSystem(name) {
    return new calendarSystemClassMap[name]();
  }
  var GregorianCalendarSystem = /** @class */ (function () {
    function GregorianCalendarSystem() {}
    GregorianCalendarSystem.prototype.getMarkerYear = function (d) {
      return d.getUTCFullYear();
    };
    GregorianCalendarSystem.prototype.getMarkerMonth = function (d) {
      return d.getUTCMonth();
    };
    GregorianCalendarSystem.prototype.getMarkerDay = function (d) {
      return d.getUTCDate();
    };
    GregorianCalendarSystem.prototype.arrayToMarker = function (arr) {
      return arrayToUtcDate(arr);
    };
    GregorianCalendarSystem.prototype.markerToArray = function (marker) {
      return dateToUtcArray(marker);
    };
    return GregorianCalendarSystem;
  })();
  registerCalendarSystem('gregory', GregorianCalendarSystem);

  var ISO_RE = /^\s*(\d{4})(-?(\d{2})(-?(\d{2})([T ](\d{2}):?(\d{2})(:?(\d{2})(\.(\d+))?)?(Z|(([-+])(\d{2})(:?(\d{2}))?))?)?)?)?$/;
  function parse(str) {
    var m = ISO_RE.exec(str);
    if (m) {
      var marker = new Date(Date.UTC(Number(m[1]), m[3] ? Number(m[3]) - 1 : 0, Number(m[5] || 1), Number(m[7] || 0), Number(m[8] || 0), Number(m[10] || 0), m[12] ? Number('0.' + m[12]) * 1000 : 0));
      if (isValidDate(marker)) {
        var timeZoneOffset = null;
        if (m[13]) {
          timeZoneOffset = (m[15] === '-' ? -1 : 1) * (Number(m[16] || 0) * 60 + Number(m[18] || 0));
        }
        return {
          marker: marker,
          isTimeUnspecified: !m[6],
          timeZoneOffset: timeZoneOffset,
        };
      }
    }
    return null;
  }

  var DateEnv = /** @class */ (function () {
    function DateEnv(settings) {
      var timeZone = (this.timeZone = settings.timeZone);
      var isNamedTimeZone = timeZone !== 'local' && timeZone !== 'UTC';
      if (settings.namedTimeZoneImpl && isNamedTimeZone) {
        this.namedTimeZoneImpl = new settings.namedTimeZoneImpl(timeZone);
      }
      this.canComputeOffset = Boolean(!isNamedTimeZone || this.namedTimeZoneImpl);
      this.calendarSystem = createCalendarSystem(settings.calendarSystem);
      this.locale = settings.locale;
      this.weekDow = settings.locale.week.dow;
      this.weekDoy = settings.locale.week.doy;
      if (settings.weekNumberCalculation === 'ISO') {
        this.weekDow = 1;
        this.weekDoy = 4;
      }
      if (typeof settings.firstDay === 'number') {
        this.weekDow = settings.firstDay;
      }
      if (typeof settings.weekNumberCalculation === 'function') {
        this.weekNumberFunc = settings.weekNumberCalculation;
      }
      this.weekText = settings.weekText != null ? settings.weekText : settings.locale.options.weekText;
      this.weekTextLong = (settings.weekTextLong != null ? settings.weekTextLong : settings.locale.options.weekTextLong) || this.weekText;
      this.cmdFormatter = settings.cmdFormatter;
      this.defaultSeparator = settings.defaultSeparator;
    }
    // Creating / Parsing
    DateEnv.prototype.createMarker = function (input) {
      var meta = this.createMarkerMeta(input);
      if (meta === null) {
        return null;
      }
      return meta.marker;
    };
    DateEnv.prototype.createNowMarker = function () {
      if (this.canComputeOffset) {
        return this.timestampToMarker(new Date().valueOf());
      }
      // if we can't compute the current date val for a timezone,
      // better to give the current local date vals than UTC
      return arrayToUtcDate(dateToLocalArray(new Date()));
    };
    DateEnv.prototype.createMarkerMeta = function (input) {
      if (typeof input === 'string') {
        return this.parse(input);
      }
      var marker = null;
      if (typeof input === 'number') {
        marker = this.timestampToMarker(input);
      } else if (input instanceof Date) {
        input = input.valueOf();
        if (!isNaN(input)) {
          marker = this.timestampToMarker(input);
        }
      } else if (Array.isArray(input)) {
        marker = arrayToUtcDate(input);
      }
      if (marker === null || !isValidDate(marker)) {
        return null;
      }
      return { marker: marker, isTimeUnspecified: false, forcedTzo: null };
    };
    DateEnv.prototype.parse = function (s) {
      var parts = parse(s);
      if (parts === null) {
        return null;
      }
      var marker = parts.marker;
      var forcedTzo = null;
      if (parts.timeZoneOffset !== null) {
        if (this.canComputeOffset) {
          marker = this.timestampToMarker(marker.valueOf() - parts.timeZoneOffset * 60 * 1000);
        } else {
          forcedTzo = parts.timeZoneOffset;
        }
      }
      return { marker: marker, isTimeUnspecified: parts.isTimeUnspecified, forcedTzo: forcedTzo };
    };
    // Accessors
    DateEnv.prototype.getYear = function (marker) {
      return this.calendarSystem.getMarkerYear(marker);
    };
    DateEnv.prototype.getMonth = function (marker) {
      return this.calendarSystem.getMarkerMonth(marker);
    };
    // Adding / Subtracting
    DateEnv.prototype.add = function (marker, dur) {
      var a = this.calendarSystem.markerToArray(marker);
      a[0] += dur.years;
      a[1] += dur.months;
      a[2] += dur.days;
      a[6] += dur.milliseconds;
      return this.calendarSystem.arrayToMarker(a);
    };
    DateEnv.prototype.subtract = function (marker, dur) {
      var a = this.calendarSystem.markerToArray(marker);
      a[0] -= dur.years;
      a[1] -= dur.months;
      a[2] -= dur.days;
      a[6] -= dur.milliseconds;
      return this.calendarSystem.arrayToMarker(a);
    };
    DateEnv.prototype.addYears = function (marker, n) {
      var a = this.calendarSystem.markerToArray(marker);
      a[0] += n;
      return this.calendarSystem.arrayToMarker(a);
    };
    DateEnv.prototype.addMonths = function (marker, n) {
      var a = this.calendarSystem.markerToArray(marker);
      a[1] += n;
      return this.calendarSystem.arrayToMarker(a);
    };
    // Diffing Whole Units
    DateEnv.prototype.diffWholeYears = function (m0, m1) {
      var calendarSystem = this.calendarSystem;
      if (timeAsMs(m0) === timeAsMs(m1) && calendarSystem.getMarkerDay(m0) === calendarSystem.getMarkerDay(m1) && calendarSystem.getMarkerMonth(m0) === calendarSystem.getMarkerMonth(m1)) {
        return calendarSystem.getMarkerYear(m1) - calendarSystem.getMarkerYear(m0);
      }
      return null;
    };
    DateEnv.prototype.diffWholeMonths = function (m0, m1) {
      var calendarSystem = this.calendarSystem;
      if (timeAsMs(m0) === timeAsMs(m1) && calendarSystem.getMarkerDay(m0) === calendarSystem.getMarkerDay(m1)) {
        return calendarSystem.getMarkerMonth(m1) - calendarSystem.getMarkerMonth(m0) + (calendarSystem.getMarkerYear(m1) - calendarSystem.getMarkerYear(m0)) * 12;
      }
      return null;
    };
    // Range / Duration
    DateEnv.prototype.greatestWholeUnit = function (m0, m1) {
      var n = this.diffWholeYears(m0, m1);
      if (n !== null) {
        return { unit: 'year', value: n };
      }
      n = this.diffWholeMonths(m0, m1);
      if (n !== null) {
        return { unit: 'month', value: n };
      }
      n = diffWholeWeeks(m0, m1);
      if (n !== null) {
        return { unit: 'week', value: n };
      }
      n = diffWholeDays(m0, m1);
      if (n !== null) {
        return { unit: 'day', value: n };
      }
      n = diffHours(m0, m1);
      if (isInt(n)) {
        return { unit: 'hour', value: n };
      }
      n = diffMinutes(m0, m1);
      if (isInt(n)) {
        return { unit: 'minute', value: n };
      }
      n = diffSeconds(m0, m1);
      if (isInt(n)) {
        return { unit: 'second', value: n };
      }
      return { unit: 'millisecond', value: m1.valueOf() - m0.valueOf() };
    };
    DateEnv.prototype.countDurationsBetween = function (m0, m1, d) {
      // TODO: can use greatestWholeUnit
      var diff;
      if (d.years) {
        diff = this.diffWholeYears(m0, m1);
        if (diff !== null) {
          return diff / asRoughYears(d);
        }
      }
      if (d.months) {
        diff = this.diffWholeMonths(m0, m1);
        if (diff !== null) {
          return diff / asRoughMonths(d);
        }
      }
      if (d.days) {
        diff = diffWholeDays(m0, m1);
        if (diff !== null) {
          return diff / asRoughDays(d);
        }
      }
      return (m1.valueOf() - m0.valueOf()) / asRoughMs(d);
    };
    // Start-Of
    // these DON'T return zoned-dates. only UTC start-of dates
    DateEnv.prototype.startOf = function (m, unit) {
      if (unit === 'year') {
        return this.startOfYear(m);
      }
      if (unit === 'month') {
        return this.startOfMonth(m);
      }
      if (unit === 'week') {
        return this.startOfWeek(m);
      }
      if (unit === 'day') {
        return startOfDay(m);
      }
      if (unit === 'hour') {
        return startOfHour(m);
      }
      if (unit === 'minute') {
        return startOfMinute(m);
      }
      if (unit === 'second') {
        return startOfSecond(m);
      }
      return null;
    };
    DateEnv.prototype.startOfYear = function (m) {
      return this.calendarSystem.arrayToMarker([this.calendarSystem.getMarkerYear(m)]);
    };
    DateEnv.prototype.startOfMonth = function (m) {
      return this.calendarSystem.arrayToMarker([this.calendarSystem.getMarkerYear(m), this.calendarSystem.getMarkerMonth(m)]);
    };
    DateEnv.prototype.startOfWeek = function (m) {
      return this.calendarSystem.arrayToMarker([this.calendarSystem.getMarkerYear(m), this.calendarSystem.getMarkerMonth(m), m.getUTCDate() - ((m.getUTCDay() - this.weekDow + 7) % 7)]);
    };
    // Week Number
    DateEnv.prototype.computeWeekNumber = function (marker) {
      if (this.weekNumberFunc) {
        return this.weekNumberFunc(this.toDate(marker));
      }
      return weekOfYear(marker, this.weekDow, this.weekDoy);
    };
    // TODO: choke on timeZoneName: long
    DateEnv.prototype.format = function (marker, formatter, dateOptions) {
      if (dateOptions === void 0) {
        dateOptions = {};
      }
      return formatter.format(
        {
          marker: marker,
          timeZoneOffset: dateOptions.forcedTzo != null ? dateOptions.forcedTzo : this.offsetForMarker(marker),
        },
        this,
      );
    };
    DateEnv.prototype.formatRange = function (start, end, formatter, dateOptions) {
      if (dateOptions === void 0) {
        dateOptions = {};
      }
      if (dateOptions.isEndExclusive) {
        end = addMs(end, -1);
      }
      return formatter.formatRange(
        {
          marker: start,
          timeZoneOffset: dateOptions.forcedStartTzo != null ? dateOptions.forcedStartTzo : this.offsetForMarker(start),
        },
        {
          marker: end,
          timeZoneOffset: dateOptions.forcedEndTzo != null ? dateOptions.forcedEndTzo : this.offsetForMarker(end),
        },
        this,
        dateOptions.defaultSeparator,
      );
    };
    /*
        DUMB: the omitTime arg is dumb. if we omit the time, we want to omit the timezone offset. and if we do that,
        might as well use buildIsoString or some other util directly
        */
    DateEnv.prototype.formatIso = function (marker, extraOptions) {
      if (extraOptions === void 0) {
        extraOptions = {};
      }
      var timeZoneOffset = null;
      if (!extraOptions.omitTimeZoneOffset) {
        if (extraOptions.forcedTzo != null) {
          timeZoneOffset = extraOptions.forcedTzo;
        } else {
          timeZoneOffset = this.offsetForMarker(marker);
        }
      }
      return buildIsoString(marker, timeZoneOffset, extraOptions.omitTime);
    };
    // TimeZone
    DateEnv.prototype.timestampToMarker = function (ms) {
      if (this.timeZone === 'local') {
        return arrayToUtcDate(dateToLocalArray(new Date(ms)));
      }
      if (this.timeZone === 'UTC' || !this.namedTimeZoneImpl) {
        return new Date(ms);
      }
      return arrayToUtcDate(this.namedTimeZoneImpl.timestampToArray(ms));
    };
    DateEnv.prototype.offsetForMarker = function (m) {
      if (this.timeZone === 'local') {
        return -arrayToLocalDate(dateToUtcArray(m)).getTimezoneOffset(); // convert "inverse" offset to "normal" offset
      }
      if (this.timeZone === 'UTC') {
        return 0;
      }
      if (this.namedTimeZoneImpl) {
        return this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m));
      }
      return null;
    };
    // Conversion
    DateEnv.prototype.toDate = function (m, forcedTzo) {
      if (this.timeZone === 'local') {
        return arrayToLocalDate(dateToUtcArray(m));
      }
      if (this.timeZone === 'UTC') {
        return new Date(m.valueOf()); // make sure it's a copy
      }
      if (!this.namedTimeZoneImpl) {
        return new Date(m.valueOf() - (forcedTzo || 0));
      }
      return new Date(m.valueOf() - this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m)) * 1000 * 60);
    };
    return DateEnv;
  })();

  var globalLocales = [];

  var MINIMAL_RAW_EN_LOCALE = {
    code: 'en',
    week: {
      dow: 0,
      doy: 4, // 4 days need to be within the year to be considered the first week
    },
    direction: 'ltr',
    buttonText: {
      prev: 'prev',
      next: 'next',
      prevYear: 'prev year',
      nextYear: 'next year',
      year: 'year',
      today: 'today',
      month: 'month',
      week: 'week',
      day: 'day',
      list: 'list',
    },
    weekText: 'W',
    weekTextLong: 'Week',
    closeHint: 'Close',
    timeHint: 'Time',
    eventHint: 'Event',
    allDayText: 'all-day',
    moreLinkText: 'more',
    noEventsText: 'No events to display',
  };
  var RAW_EN_LOCALE = __assign(__assign({}, MINIMAL_RAW_EN_LOCALE), {
    // Includes things we don't want other locales to inherit,
    // things that derive from other translatable strings.
    buttonHints: {
      prev: 'Previous $0',
      next: 'Next $0',
      today: function (buttonText, unit) {
        return unit === 'day' ? 'Today' : 'This ' + buttonText;
      },
    },
    viewHint: '$0 view',
    navLinkHint: 'Go to $0',
    moreLinkHint: function (eventCnt) {
      return 'Show ' + eventCnt + ' more event' + (eventCnt === 1 ? '' : 's');
    },
  });
  function organizeRawLocales(explicitRawLocales) {
    var defaultCode = explicitRawLocales.length > 0 ? explicitRawLocales[0].code : 'en';
    var allRawLocales = globalLocales.concat(explicitRawLocales);
    var rawLocaleMap = {
      en: RAW_EN_LOCALE,
    };
    for (var _i = 0, allRawLocales_1 = allRawLocales; _i < allRawLocales_1.length; _i++) {
      var rawLocale = allRawLocales_1[_i];
      rawLocaleMap[rawLocale.code] = rawLocale;
    }
    return {
      map: rawLocaleMap,
      defaultCode: defaultCode,
    };
  }
  function buildLocale(inputSingular, available) {
    if (typeof inputSingular === 'object' && !Array.isArray(inputSingular)) {
      return parseLocale(inputSingular.code, [inputSingular.code], inputSingular);
    }
    return queryLocale(inputSingular, available);
  }
  function queryLocale(codeArg, available) {
    var codes = [].concat(codeArg || []); // will convert to array
    var raw = queryRawLocale(codes, available) || RAW_EN_LOCALE;
    return parseLocale(codeArg, codes, raw);
  }
  function queryRawLocale(codes, available) {
    for (var i = 0; i < codes.length; i += 1) {
      var parts = codes[i].toLocaleLowerCase().split('-');
      for (var j = parts.length; j > 0; j -= 1) {
        var simpleId = parts.slice(0, j).join('-');
        if (available[simpleId]) {
          return available[simpleId];
        }
      }
    }
    return null;
  }
  function parseLocale(codeArg, codes, raw) {
    var merged = mergeProps([MINIMAL_RAW_EN_LOCALE, raw], ['buttonText']);
    delete merged.code; // don't want this part of the options
    var week = merged.week;
    delete merged.week;
    return {
      codeArg: codeArg,
      codes: codes,
      week: week,
      simpleNumberFormat: new Intl.NumberFormat(codeArg),
      options: merged,
    };
  }

  function formatDate(dateInput, options) {
    if (options === void 0) {
      options = {};
    }
    var dateEnv = buildDateEnv$1(options);
    var formatter = createFormatter(options);
    var dateMeta = dateEnv.createMarkerMeta(dateInput);
    if (!dateMeta) {
      // TODO: warning?
      return '';
    }
    return dateEnv.format(dateMeta.marker, formatter, {
      forcedTzo: dateMeta.forcedTzo,
    });
  }
  function formatRange(startInput, endInput, options) {
    var dateEnv = buildDateEnv$1(typeof options === 'object' && options ? options : {}); // pass in if non-null object
    var formatter = createFormatter(options);
    var startMeta = dateEnv.createMarkerMeta(startInput);
    var endMeta = dateEnv.createMarkerMeta(endInput);
    if (!startMeta || !endMeta) {
      // TODO: warning?
      return '';
    }
    return dateEnv.formatRange(startMeta.marker, endMeta.marker, formatter, {
      forcedStartTzo: startMeta.forcedTzo,
      forcedEndTzo: endMeta.forcedTzo,
      isEndExclusive: options.isEndExclusive,
      defaultSeparator: BASE_OPTION_DEFAULTS.defaultRangeSeparator,
    });
  }
  // TODO: more DRY and optimized
  function buildDateEnv$1(settings) {
    var locale = buildLocale(settings.locale || 'en', organizeRawLocales([]).map); // TODO: don't hardcode 'en' everywhere
    return new DateEnv(__assign(__assign({ timeZone: BASE_OPTION_DEFAULTS.timeZone, calendarSystem: 'gregory' }, settings), { locale: locale }));
  }

  var DEF_DEFAULTS = {
    startTime: '09:00',
    endTime: '17:00',
    daysOfWeek: [1, 2, 3, 4, 5],
    display: 'inverse-background',
    classNames: 'fc-non-business',
    groupId: '_businessHours', // so multiple defs get grouped
  };
  /*
    TODO: pass around as EventDefHash!!!
    */
  function parseBusinessHours(input, context) {
    return parseEvents(refineInputs(input), null, context);
  }
  function refineInputs(input) {
    var rawDefs;
    if (input === true) {
      rawDefs = [{}]; // will get DEF_DEFAULTS verbatim
    } else if (Array.isArray(input)) {
      // if specifying an array, every sub-definition NEEDS a day-of-week
      rawDefs = input.filter(function (rawDef) {
        return rawDef.daysOfWeek;
      });
    } else if (typeof input === 'object' && input) {
      // non-null object
      rawDefs = [input];
    } else {
      // is probably false
      rawDefs = [];
    }
    rawDefs = rawDefs.map(function (rawDef) {
      return __assign(__assign({}, DEF_DEFAULTS), rawDef);
    });
    return rawDefs;
  }

  function pointInsideRect(point, rect) {
    return point.left >= rect.left && point.left < rect.right && point.top >= rect.top && point.top < rect.bottom;
  }
  // Returns a new rectangle that is the intersection of the two rectangles. If they don't intersect, returns false
  function intersectRects(rect1, rect2) {
    var res = {
      left: Math.max(rect1.left, rect2.left),
      right: Math.min(rect1.right, rect2.right),
      top: Math.max(rect1.top, rect2.top),
      bottom: Math.min(rect1.bottom, rect2.bottom),
    };
    if (res.left < res.right && res.top < res.bottom) {
      return res;
    }
    return false;
  }
  function translateRect(rect, deltaX, deltaY) {
    return {
      left: rect.left + deltaX,
      right: rect.right + deltaX,
      top: rect.top + deltaY,
      bottom: rect.bottom + deltaY,
    };
  }
  // Returns a new point that will have been moved to reside within the given rectangle
  function constrainPoint(point, rect) {
    return {
      left: Math.min(Math.max(point.left, rect.left), rect.right),
      top: Math.min(Math.max(point.top, rect.top), rect.bottom),
    };
  }
  // Returns a point that is the center of the given rectangle
  function getRectCenter(rect) {
    return {
      left: (rect.left + rect.right) / 2,
      top: (rect.top + rect.bottom) / 2,
    };
  }
  // Subtracts point2's coordinates from point1's coordinates, returning a delta
  function diffPoints(point1, point2) {
    return {
      left: point1.left - point2.left,
      top: point1.top - point2.top,
    };
  }

  var canVGrowWithinCell;
  function getCanVGrowWithinCell() {
    if (canVGrowWithinCell == null) {
      canVGrowWithinCell = computeCanVGrowWithinCell();
    }
    return canVGrowWithinCell;
  }
  function computeCanVGrowWithinCell() {
    // for SSR, because this function is call immediately at top-level
    // TODO: just make this logic execute top-level, immediately, instead of doing lazily
    if (typeof document === 'undefined') {
      return true;
    }
    var el = document.createElement('div');
    el.style.position = 'absolute';
    el.style.top = '0px';
    el.style.left = '0px';
    el.innerHTML = '<table><tr><td><div></div></td></tr></table>';
    el.querySelector('table').style.height = '100px';
    el.querySelector('div').style.height = '100%';
    document.body.appendChild(el);
    var div = el.querySelector('div');
    var possible = div.offsetHeight > 0;
    document.body.removeChild(el);
    return possible;
  }

  var EMPTY_EVENT_STORE = createEmptyEventStore(); // for purecomponents. TODO: keep elsewhere
  var Splitter = /** @class */ (function () {
    function Splitter() {
      this.getKeysForEventDefs = memoize(this._getKeysForEventDefs);
      this.splitDateSelection = memoize(this._splitDateSpan);
      this.splitEventStore = memoize(this._splitEventStore);
      this.splitIndividualUi = memoize(this._splitIndividualUi);
      this.splitEventDrag = memoize(this._splitInteraction);
      this.splitEventResize = memoize(this._splitInteraction);
      this.eventUiBuilders = {}; // TODO: typescript protection
    }
    Splitter.prototype.splitProps = function (props) {
      var _this = this;
      var keyInfos = this.getKeyInfo(props);
      var defKeys = this.getKeysForEventDefs(props.eventStore);
      var dateSelections = this.splitDateSelection(props.dateSelection);
      var individualUi = this.splitIndividualUi(props.eventUiBases, defKeys); // the individual *bases*
      var eventStores = this.splitEventStore(props.eventStore, defKeys);
      var eventDrags = this.splitEventDrag(props.eventDrag);
      var eventResizes = this.splitEventResize(props.eventResize);
      var splitProps = {};
      this.eventUiBuilders = mapHash(keyInfos, function (info, key) {
        return _this.eventUiBuilders[key] || memoize(buildEventUiForKey);
      });
      for (var key in keyInfos) {
        var keyInfo = keyInfos[key];
        var eventStore = eventStores[key] || EMPTY_EVENT_STORE;
        var buildEventUi = this.eventUiBuilders[key];
        splitProps[key] = {
          businessHours: keyInfo.businessHours || props.businessHours,
          dateSelection: dateSelections[key] || null,
          eventStore: eventStore,
          eventUiBases: buildEventUi(props.eventUiBases[''], keyInfo.ui, individualUi[key]),
          eventSelection: eventStore.instances[props.eventSelection] ? props.eventSelection : '',
          eventDrag: eventDrags[key] || null,
          eventResize: eventResizes[key] || null,
        };
      }
      return splitProps;
    };
    Splitter.prototype._splitDateSpan = function (dateSpan) {
      var dateSpans = {};
      if (dateSpan) {
        var keys = this.getKeysForDateSpan(dateSpan);
        for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) {
          var key = keys_1[_i];
          dateSpans[key] = dateSpan;
        }
      }
      return dateSpans;
    };
    Splitter.prototype._getKeysForEventDefs = function (eventStore) {
      var _this = this;
      return mapHash(eventStore.defs, function (eventDef) {
        return _this.getKeysForEventDef(eventDef);
      });
    };
    Splitter.prototype._splitEventStore = function (eventStore, defKeys) {
      var defs = eventStore.defs,
        instances = eventStore.instances;
      var splitStores = {};
      for (var defId in defs) {
        for (var _i = 0, _a = defKeys[defId]; _i < _a.length; _i++) {
          var key = _a[_i];
          if (!splitStores[key]) {
            splitStores[key] = createEmptyEventStore();
          }
          splitStores[key].defs[defId] = defs[defId];
        }
      }
      for (var instanceId in instances) {
        var instance = instances[instanceId];
        for (var _b = 0, _c = defKeys[instance.defId]; _b < _c.length; _b++) {
          var key = _c[_b];
          if (splitStores[key]) {
            // must have already been created
            splitStores[key].instances[instanceId] = instance;
          }
        }
      }
      return splitStores;
    };
    Splitter.prototype._splitIndividualUi = function (eventUiBases, defKeys) {
      var splitHashes = {};
      for (var defId in eventUiBases) {
        if (defId) {
          // not the '' key
          for (var _i = 0, _a = defKeys[defId]; _i < _a.length; _i++) {
            var key = _a[_i];
            if (!splitHashes[key]) {
              splitHashes[key] = {};
            }
            splitHashes[key][defId] = eventUiBases[defId];
          }
        }
      }
      return splitHashes;
    };
    Splitter.prototype._splitInteraction = function (interaction) {
      var splitStates = {};
      if (interaction) {
        var affectedStores_1 = this._splitEventStore(interaction.affectedEvents, this._getKeysForEventDefs(interaction.affectedEvents));
        // can't rely on defKeys because event data is mutated
        var mutatedKeysByDefId = this._getKeysForEventDefs(interaction.mutatedEvents);
        var mutatedStores_1 = this._splitEventStore(interaction.mutatedEvents, mutatedKeysByDefId);
        var populate = function (key) {
          if (!splitStates[key]) {
            splitStates[key] = {
              affectedEvents: affectedStores_1[key] || EMPTY_EVENT_STORE,
              mutatedEvents: mutatedStores_1[key] || EMPTY_EVENT_STORE,
              isEvent: interaction.isEvent,
            };
          }
        };
        for (var key in affectedStores_1) {
          populate(key);
        }
        for (var key in mutatedStores_1) {
          populate(key);
        }
      }
      return splitStates;
    };
    return Splitter;
  })();
  function buildEventUiForKey(allUi, eventUiForKey, individualUi) {
    var baseParts = [];
    if (allUi) {
      baseParts.push(allUi);
    }
    if (eventUiForKey) {
      baseParts.push(eventUiForKey);
    }
    var stuff = {
      '': combineEventUis(baseParts),
    };
    if (individualUi) {
      __assign(stuff, individualUi);
    }
    return stuff;
  }

  function getDateMeta(date, todayRange, nowDate, dateProfile) {
    return {
      dow: date.getUTCDay(),
      isDisabled: Boolean(dateProfile && !rangeContainsMarker(dateProfile.activeRange, date)),
      isOther: Boolean(dateProfile && !rangeContainsMarker(dateProfile.currentRange, date)),
      isToday: Boolean(todayRange && rangeContainsMarker(todayRange, date)),
      isPast: Boolean(nowDate ? date < nowDate : todayRange ? date < todayRange.start : false),
      isFuture: Boolean(nowDate ? date > nowDate : todayRange ? date >= todayRange.end : false),
    };
  }
  function getDayClassNames(meta, theme) {
    var classNames = ['fc-day', 'fc-day-' + DAY_IDS[meta.dow]];
    if (meta.isDisabled) {
      classNames.push('fc-day-disabled');
    } else {
      if (meta.isToday) {
        classNames.push('fc-day-today');
        classNames.push(theme.getClass('today'));
      }
      if (meta.isPast) {
        classNames.push('fc-day-past');
      }
      if (meta.isFuture) {
        classNames.push('fc-day-future');
      }
      if (meta.isOther) {
        classNames.push('fc-day-other');
      }
    }
    return classNames;
  }
  function getSlotClassNames(meta, theme) {
    var classNames = ['fc-slot', 'fc-slot-' + DAY_IDS[meta.dow]];
    if (meta.isDisabled) {
      classNames.push('fc-slot-disabled');
    } else {
      if (meta.isToday) {
        classNames.push('fc-slot-today');
        classNames.push(theme.getClass('today'));
      }
      if (meta.isPast) {
        classNames.push('fc-slot-past');
      }
      if (meta.isFuture) {
        classNames.push('fc-slot-future');
      }
    }
    return classNames;
  }

  var DAY_FORMAT = createFormatter({ year: 'numeric', month: 'long', day: 'numeric' });
  var WEEK_FORMAT = createFormatter({ week: 'long' });
  function buildNavLinkAttrs(context, dateMarker, viewType, isTabbable) {
    if (viewType === void 0) {
      viewType = 'day';
    }
    if (isTabbable === void 0) {
      isTabbable = true;
    }
    var dateEnv = context.dateEnv,
      options = context.options,
      calendarApi = context.calendarApi;
    var dateStr = dateEnv.format(dateMarker, viewType === 'week' ? WEEK_FORMAT : DAY_FORMAT);
    if (options.navLinks) {
      var zonedDate = dateEnv.toDate(dateMarker);
      var handleInteraction = function (ev) {
        var customAction = viewType === 'day' ? options.navLinkDayClick : viewType === 'week' ? options.navLinkWeekClick : null;
        if (typeof customAction === 'function') {
          customAction.call(calendarApi, dateEnv.toDate(dateMarker), ev);
        } else {
          if (typeof customAction === 'string') {
            viewType = customAction;
          }
          calendarApi.zoomTo(dateMarker, viewType);
        }
      };
      return __assign(
        { title: formatWithOrdinals(options.navLinkHint, [dateStr, zonedDate], dateStr), 'data-navlink': '' },
        isTabbable ? createAriaClickAttrs(handleInteraction) : { onClick: handleInteraction },
      );
    }
    return { 'aria-label': dateStr };
  }

  var _isRtlScrollbarOnLeft = null;
  function getIsRtlScrollbarOnLeft() {
    if (_isRtlScrollbarOnLeft === null) {
      _isRtlScrollbarOnLeft = computeIsRtlScrollbarOnLeft();
    }
    return _isRtlScrollbarOnLeft;
  }
  function computeIsRtlScrollbarOnLeft() {
    var outerEl = document.createElement('div');
    applyStyle(outerEl, {
      position: 'absolute',
      top: -1000,
      left: 0,
      border: 0,
      padding: 0,
      overflow: 'scroll',
      direction: 'rtl',
    });
    outerEl.innerHTML = '<div></div>';
    document.body.appendChild(outerEl);
    var innerEl = outerEl.firstChild;
    var res = innerEl.getBoundingClientRect().left > outerEl.getBoundingClientRect().left;
    removeElement(outerEl);
    return res;
  }

  var _scrollbarWidths;
  function getScrollbarWidths() {
    if (!_scrollbarWidths) {
      _scrollbarWidths = computeScrollbarWidths();
    }
    return _scrollbarWidths;
  }
  function computeScrollbarWidths() {
    var el = document.createElement('div');
    el.style.overflow = 'scroll';
    el.style.position = 'absolute';
    el.style.top = '-9999px';
    el.style.left = '-9999px';
    document.body.appendChild(el);
    var res = computeScrollbarWidthsForEl(el);
    document.body.removeChild(el);
    return res;
  }
  // WARNING: will include border
  function computeScrollbarWidthsForEl(el) {
    return {
      x: el.offsetHeight - el.clientHeight,
      y: el.offsetWidth - el.clientWidth,
    };
  }

  function computeEdges(el, getPadding) {
    if (getPadding === void 0) {
      getPadding = false;
    }
    var computedStyle = window.getComputedStyle(el);
    var borderLeft = parseInt(computedStyle.borderLeftWidth, 10) || 0;
    var borderRight = parseInt(computedStyle.borderRightWidth, 10) || 0;
    var borderTop = parseInt(computedStyle.borderTopWidth, 10) || 0;
    var borderBottom = parseInt(computedStyle.borderBottomWidth, 10) || 0;
    var badScrollbarWidths = computeScrollbarWidthsForEl(el); // includes border!
    var scrollbarLeftRight = badScrollbarWidths.y - borderLeft - borderRight;
    var scrollbarBottom = badScrollbarWidths.x - borderTop - borderBottom;
    var res = {
      borderLeft: borderLeft,
      borderRight: borderRight,
      borderTop: borderTop,
      borderBottom: borderBottom,
      scrollbarBottom: scrollbarBottom,
      scrollbarLeft: 0,
      scrollbarRight: 0,
    };
    if (getIsRtlScrollbarOnLeft() && computedStyle.direction === 'rtl') {
      // is the scrollbar on the left side?
      res.scrollbarLeft = scrollbarLeftRight;
    } else {
      res.scrollbarRight = scrollbarLeftRight;
    }
    if (getPadding) {
      res.paddingLeft = parseInt(computedStyle.paddingLeft, 10) || 0;
      res.paddingRight = parseInt(computedStyle.paddingRight, 10) || 0;
      res.paddingTop = parseInt(computedStyle.paddingTop, 10) || 0;
      res.paddingBottom = parseInt(computedStyle.paddingBottom, 10) || 0;
    }
    return res;
  }
  function computeInnerRect(el, goWithinPadding, doFromWindowViewport) {
    if (goWithinPadding === void 0) {
      goWithinPadding = false;
    }
    var outerRect = doFromWindowViewport ? el.getBoundingClientRect() : computeRect(el);
    var edges = computeEdges(el, goWithinPadding);
    var res = {
      left: outerRect.left + edges.borderLeft + edges.scrollbarLeft,
      right: outerRect.right - edges.borderRight - edges.scrollbarRight,
      top: outerRect.top + edges.borderTop,
      bottom: outerRect.bottom - edges.borderBottom - edges.scrollbarBottom,
    };
    if (goWithinPadding) {
      res.left += edges.paddingLeft;
      res.right -= edges.paddingRight;
      res.top += edges.paddingTop;
      res.bottom -= edges.paddingBottom;
    }
    return res;
  }
  function computeRect(el) {
    var rect = el.getBoundingClientRect();
    return {
      left: rect.left + window.pageXOffset,
      top: rect.top + window.pageYOffset,
      right: rect.right + window.pageXOffset,
      bottom: rect.bottom + window.pageYOffset,
    };
  }
  function computeClippedClientRect(el) {
    var clippingParents = getClippingParents(el);
    var rect = el.getBoundingClientRect();
    for (var _i = 0, clippingParents_1 = clippingParents; _i < clippingParents_1.length; _i++) {
      var clippingParent = clippingParents_1[_i];
      var intersection = intersectRects(rect, clippingParent.getBoundingClientRect());
      if (intersection) {
        rect = intersection;
      } else {
        return null;
      }
    }
    return rect;
  }
  function computeHeightAndMargins(el) {
    return el.getBoundingClientRect().height + computeVMargins(el);
  }
  function computeVMargins(el) {
    var computed = window.getComputedStyle(el);
    return parseInt(computed.marginTop, 10) + parseInt(computed.marginBottom, 10);
  }
  // does not return window
  function getClippingParents(el) {
    var parents = [];
    while (el instanceof HTMLElement) {
      // will stop when gets to document or null
      var computedStyle = window.getComputedStyle(el);
      if (computedStyle.position === 'fixed') {
        break;
      }
      if (/(auto|scroll)/.test(computedStyle.overflow + computedStyle.overflowY + computedStyle.overflowX)) {
        parents.push(el);
      }
      el = el.parentNode;
    }
    return parents;
  }

  // given a function that resolves a result asynchronously.
  // the function can either call passed-in success and failure callbacks,
  // or it can return a promise.
  // if you need to pass additional params to func, bind them first.
  function unpromisify(func, success, failure) {
    // guard against success/failure callbacks being called more than once
    // and guard against a promise AND callback being used together.
    var isResolved = false;
    var wrappedSuccess = function () {
      if (!isResolved) {
        isResolved = true;
        success.apply(this, arguments); // eslint-disable-line prefer-rest-params
      }
    };
    var wrappedFailure = function () {
      if (!isResolved) {
        isResolved = true;
        if (failure) {
          failure.apply(this, arguments); // eslint-disable-line prefer-rest-params
        }
      }
    };
    var res = func(wrappedSuccess, wrappedFailure);
    if (res && typeof res.then === 'function') {
      res.then(wrappedSuccess, wrappedFailure);
    }
  }

  var Emitter = /** @class */ (function () {
    function Emitter() {
      this.handlers = {};
      this.thisContext = null;
    }
    Emitter.prototype.setThisContext = function (thisContext) {
      this.thisContext = thisContext;
    };
    Emitter.prototype.setOptions = function (options) {
      this.options = options;
    };
    Emitter.prototype.on = function (type, handler) {
      addToHash(this.handlers, type, handler);
    };
    Emitter.prototype.off = function (type, handler) {
      removeFromHash(this.handlers, type, handler);
    };
    Emitter.prototype.trigger = function (type) {
      var args = [];
      for (var _i = 1; _i < arguments.length; _i++) {
        args[_i - 1] = arguments[_i];
      }
      var attachedHandlers = this.handlers[type] || [];
      var optionHandler = this.options && this.options[type];
      var handlers = [].concat(optionHandler || [], attachedHandlers);
      for (var _a = 0, handlers_1 = handlers; _a < handlers_1.length; _a++) {
        var handler = handlers_1[_a];
        handler.apply(this.thisContext, args);
      }
    };
    Emitter.prototype.hasHandlers = function (type) {
      return Boolean((this.handlers[type] && this.handlers[type].length) || (this.options && this.options[type]));
    };
    return Emitter;
  })();
  function addToHash(hash, type, handler) {
    (hash[type] || (hash[type] = [])).push(handler);
  }
  function removeFromHash(hash, type, handler) {
    if (handler) {
      if (hash[type]) {
        hash[type] = hash[type].filter(function (func) {
          return func !== handler;
        });
      }
    } else {
      delete hash[type]; // remove all handler funcs for this type
    }
  }

  /*
    Records offset information for a set of elements, relative to an origin element.
    Can record the left/right OR the top/bottom OR both.
    Provides methods for querying the cache by position.
    */
  var PositionCache = /** @class */ (function () {
    function PositionCache(originEl, els, isHorizontal, isVertical) {
      this.els = els;
      var originClientRect = (this.originClientRect = originEl.getBoundingClientRect()); // relative to viewport top-left
      if (isHorizontal) {
        this.buildElHorizontals(originClientRect.left);
      }
      if (isVertical) {
        this.buildElVerticals(originClientRect.top);
      }
    }
    // Populates the left/right internal coordinate arrays
    PositionCache.prototype.buildElHorizontals = function (originClientLeft) {
      var lefts = [];
      var rights = [];
      for (var _i = 0, _a = this.els; _i < _a.length; _i++) {
        var el = _a[_i];
        var rect = el.getBoundingClientRect();
        lefts.push(rect.left - originClientLeft);
        rights.push(rect.right - originClientLeft);
      }
      this.lefts = lefts;
      this.rights = rights;
    };
    // Populates the top/bottom internal coordinate arrays
    PositionCache.prototype.buildElVerticals = function (originClientTop) {
      var tops = [];
      var bottoms = [];
      for (var _i = 0, _a = this.els; _i < _a.length; _i++) {
        var el = _a[_i];
        var rect = el.getBoundingClientRect();
        tops.push(rect.top - originClientTop);
        bottoms.push(rect.bottom - originClientTop);
      }
      this.tops = tops;
      this.bottoms = bottoms;
    };
    // Given a left offset (from document left), returns the index of the el that it horizontally intersects.
    // If no intersection is made, returns undefined.
    PositionCache.prototype.leftToIndex = function (leftPosition) {
      var _a = this,
        lefts = _a.lefts,
        rights = _a.rights;
      var len = lefts.length;
      var i;
      for (i = 0; i < len; i += 1) {
        if (leftPosition >= lefts[i] && leftPosition < rights[i]) {
          return i;
        }
      }
      return undefined; // TODO: better
    };
    // Given a top offset (from document top), returns the index of the el that it vertically intersects.
    // If no intersection is made, returns undefined.
    PositionCache.prototype.topToIndex = function (topPosition) {
      var _a = this,
        tops = _a.tops,
        bottoms = _a.bottoms;
      var len = tops.length;
      var i;
      for (i = 0; i < len; i += 1) {
        if (topPosition >= tops[i] && topPosition < bottoms[i]) {
          return i;
        }
      }
      return undefined; // TODO: better
    };
    // Gets the width of the element at the given index
    PositionCache.prototype.getWidth = function (leftIndex) {
      return this.rights[leftIndex] - this.lefts[leftIndex];
    };
    // Gets the height of the element at the given index
    PositionCache.prototype.getHeight = function (topIndex) {
      return this.bottoms[topIndex] - this.tops[topIndex];
    };
    return PositionCache;
  })();

  /* eslint max-classes-per-file: "off" */
  /*
    An object for getting/setting scroll-related information for an element.
    Internally, this is done very differently for window versus DOM element,
    so this object serves as a common interface.
    */
  var ScrollController = /** @class */ (function () {
    function ScrollController() {}
    ScrollController.prototype.getMaxScrollTop = function () {
      return this.getScrollHeight() - this.getClientHeight();
    };
    ScrollController.prototype.getMaxScrollLeft = function () {
      return this.getScrollWidth() - this.getClientWidth();
    };
    ScrollController.prototype.canScrollVertically = function () {
      return this.getMaxScrollTop() > 0;
    };
    ScrollController.prototype.canScrollHorizontally = function () {
      return this.getMaxScrollLeft() > 0;
    };
    ScrollController.prototype.canScrollUp = function () {
      return this.getScrollTop() > 0;
    };
    ScrollController.prototype.canScrollDown = function () {
      return this.getScrollTop() < this.getMaxScrollTop();
    };
    ScrollController.prototype.canScrollLeft = function () {
      return this.getScrollLeft() > 0;
    };
    ScrollController.prototype.canScrollRight = function () {
      return this.getScrollLeft() < this.getMaxScrollLeft();
    };
    return ScrollController;
  })();
  var ElementScrollController = /** @class */ (function (_super) {
    __extends(ElementScrollController, _super);
    function ElementScrollController(el) {
      var _this = _super.call(this) || this;
      _this.el = el;
      return _this;
    }
    ElementScrollController.prototype.getScrollTop = function () {
      return this.el.scrollTop;
    };
    ElementScrollController.prototype.getScrollLeft = function () {
      return this.el.scrollLeft;
    };
    ElementScrollController.prototype.setScrollTop = function (top) {
      this.el.scrollTop = top;
    };
    ElementScrollController.prototype.setScrollLeft = function (left) {
      this.el.scrollLeft = left;
    };
    ElementScrollController.prototype.getScrollWidth = function () {
      return this.el.scrollWidth;
    };
    ElementScrollController.prototype.getScrollHeight = function () {
      return this.el.scrollHeight;
    };
    ElementScrollController.prototype.getClientHeight = function () {
      return this.el.clientHeight;
    };
    ElementScrollController.prototype.getClientWidth = function () {
      return this.el.clientWidth;
    };
    return ElementScrollController;
  })(ScrollController);
  var WindowScrollController = /** @class */ (function (_super) {
    __extends(WindowScrollController, _super);
    function WindowScrollController() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    WindowScrollController.prototype.getScrollTop = function () {
      return window.pageYOffset;
    };
    WindowScrollController.prototype.getScrollLeft = function () {
      return window.pageXOffset;
    };
    WindowScrollController.prototype.setScrollTop = function (n) {
      window.scroll(window.pageXOffset, n);
    };
    WindowScrollController.prototype.setScrollLeft = function (n) {
      window.scroll(n, window.pageYOffset);
    };
    WindowScrollController.prototype.getScrollWidth = function () {
      return document.documentElement.scrollWidth;
    };
    WindowScrollController.prototype.getScrollHeight = function () {
      return document.documentElement.scrollHeight;
    };
    WindowScrollController.prototype.getClientHeight = function () {
      return document.documentElement.clientHeight;
    };
    WindowScrollController.prototype.getClientWidth = function () {
      return document.documentElement.clientWidth;
    };
    return WindowScrollController;
  })(ScrollController);

  var Theme = /** @class */ (function () {
    function Theme(calendarOptions) {
      if (this.iconOverrideOption) {
        this.setIconOverride(calendarOptions[this.iconOverrideOption]);
      }
    }
    Theme.prototype.setIconOverride = function (iconOverrideHash) {
      var iconClassesCopy;
      var buttonName;
      if (typeof iconOverrideHash === 'object' && iconOverrideHash) {
        // non-null object
        iconClassesCopy = __assign({}, this.iconClasses);
        for (buttonName in iconOverrideHash) {
          iconClassesCopy[buttonName] = this.applyIconOverridePrefix(iconOverrideHash[buttonName]);
        }
        this.iconClasses = iconClassesCopy;
      } else if (iconOverrideHash === false) {
        this.iconClasses = {};
      }
    };
    Theme.prototype.applyIconOverridePrefix = function (className) {
      var prefix = this.iconOverridePrefix;
      if (prefix && className.indexOf(prefix) !== 0) {
        // if not already present
        className = prefix + className;
      }
      return className;
    };
    Theme.prototype.getClass = function (key) {
      return this.classes[key] || '';
    };
    Theme.prototype.getIconClass = function (buttonName, isRtl) {
      var className;
      if (isRtl && this.rtlIconClasses) {
        className = this.rtlIconClasses[buttonName] || this.iconClasses[buttonName];
      } else {
        className = this.iconClasses[buttonName];
      }
      if (className) {
        return this.baseIconClass + ' ' + className;
      }
      return '';
    };
    Theme.prototype.getCustomButtonIconClass = function (customButtonProps) {
      var className;
      if (this.iconOverrideCustomButtonOption) {
        className = customButtonProps[this.iconOverrideCustomButtonOption];
        if (className) {
          return this.baseIconClass + ' ' + this.applyIconOverridePrefix(className);
        }
      }
      return '';
    };
    return Theme;
  })();
  Theme.prototype.classes = {};
  Theme.prototype.iconClasses = {};
  Theme.prototype.baseIconClass = '';
  Theme.prototype.iconOverridePrefix = '';

  /// <reference types="@fullcalendar/core-preact" />
  if (typeof FullCalendarVDom === 'undefined') {
    throw new Error('Please import the top-level fullcalendar lib before attempting to import a plugin.');
  }
  var Component = FullCalendarVDom.Component;
  var createElement = FullCalendarVDom.createElement;
  var render = FullCalendarVDom.render;
  var createRef = FullCalendarVDom.createRef;
  var Fragment = FullCalendarVDom.Fragment;
  var createContext = FullCalendarVDom.createContext;
  var createPortal = FullCalendarVDom.createPortal;
  var flushSync = FullCalendarVDom.flushSync;
  var unmountComponentAtNode = FullCalendarVDom.unmountComponentAtNode;
  /* eslint-enable */

  var ScrollResponder = /** @class */ (function () {
    function ScrollResponder(execFunc, emitter, scrollTime, scrollTimeReset) {
      var _this = this;
      this.execFunc = execFunc;
      this.emitter = emitter;
      this.scrollTime = scrollTime;
      this.scrollTimeReset = scrollTimeReset;
      this.handleScrollRequest = function (request) {
        _this.queuedRequest = __assign({}, _this.queuedRequest || {}, request);
        _this.drain();
      };
      emitter.on('_scrollRequest', this.handleScrollRequest);
      this.fireInitialScroll();
    }
    ScrollResponder.prototype.detach = function () {
      this.emitter.off('_scrollRequest', this.handleScrollRequest);
    };
    ScrollResponder.prototype.update = function (isDatesNew) {
      if (isDatesNew && this.scrollTimeReset) {
        this.fireInitialScroll(); // will drain
      } else {
        this.drain();
      }
    };
    ScrollResponder.prototype.fireInitialScroll = function () {
      this.handleScrollRequest({
        time: this.scrollTime,
      });
    };
    ScrollResponder.prototype.drain = function () {
      if (this.queuedRequest && this.execFunc(this.queuedRequest)) {
        this.queuedRequest = null;
      }
    };
    return ScrollResponder;
  })();

  var ViewContextType = createContext({}); // for Components
  function buildViewContext(
    viewSpec,
    viewApi,
    viewOptions,
    dateProfileGenerator,
    dateEnv,
    theme,
    pluginHooks,
    dispatch,
    getCurrentData,
    emitter,
    calendarApi,
    registerInteractiveComponent,
    unregisterInteractiveComponent,
  ) {
    return {
      dateEnv: dateEnv,
      options: viewOptions,
      pluginHooks: pluginHooks,
      emitter: emitter,
      dispatch: dispatch,
      getCurrentData: getCurrentData,
      calendarApi: calendarApi,
      viewSpec: viewSpec,
      viewApi: viewApi,
      dateProfileGenerator: dateProfileGenerator,
      theme: theme,
      isRtl: viewOptions.direction === 'rtl',
      addResizeHandler: function (handler) {
        emitter.on('_resize', handler);
      },
      removeResizeHandler: function (handler) {
        emitter.off('_resize', handler);
      },
      createScrollResponder: function (execFunc) {
        return new ScrollResponder(execFunc, emitter, createDuration(viewOptions.scrollTime), viewOptions.scrollTimeReset);
      },
      registerInteractiveComponent: registerInteractiveComponent,
      unregisterInteractiveComponent: unregisterInteractiveComponent,
    };
  }

  /* eslint max-classes-per-file: off */
  var PureComponent = /** @class */ (function (_super) {
    __extends(PureComponent, _super);
    function PureComponent() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    PureComponent.prototype.shouldComponentUpdate = function (nextProps, nextState) {
      if (this.debug) {
        // eslint-disable-next-line no-console
      }
      return !compareObjs(this.props, nextProps, this.propEquality) || !compareObjs(this.state, nextState, this.stateEquality);
    };
    // HACK for freakin' React StrictMode
    PureComponent.prototype.safeSetState = function (newState) {
      if (!compareObjs(this.state, __assign(__assign({}, this.state), newState), this.stateEquality)) {
        this.setState(newState);
      }
    };
    PureComponent.addPropsEquality = addPropsEquality;
    PureComponent.addStateEquality = addStateEquality;
    PureComponent.contextType = ViewContextType;
    return PureComponent;
  })(Component);
  PureComponent.prototype.propEquality = {};
  PureComponent.prototype.stateEquality = {};
  var BaseComponent = /** @class */ (function (_super) {
    __extends(BaseComponent, _super);
    function BaseComponent() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    BaseComponent.contextType = ViewContextType;
    return BaseComponent;
  })(PureComponent);
  function addPropsEquality(propEquality) {
    var hash = Object.create(this.prototype.propEquality);
    __assign(hash, propEquality);
    this.prototype.propEquality = hash;
  }
  function addStateEquality(stateEquality) {
    var hash = Object.create(this.prototype.stateEquality);
    __assign(hash, stateEquality);
    this.prototype.stateEquality = hash;
  }
  // use other one
  function setRef(ref, current) {
    if (typeof ref === 'function') {
      ref(current);
    } else if (ref) {
      // see https://github.com/facebook/react/issues/13029
      ref.current = current;
    }
  }

  /*
    an INTERACTABLE date component

    PURPOSES:
    - hook up to fg, fill, and mirror renderers
    - interface for dragging and hits
    */
  var DateComponent = /** @class */ (function (_super) {
    __extends(DateComponent, _super);
    function DateComponent() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.uid = guid();
      return _this;
    }
    // Hit System
    // -----------------------------------------------------------------------------------------------------------------
    DateComponent.prototype.prepareHits = function () {};
    DateComponent.prototype.queryHit = function (positionLeft, positionTop, elWidth, elHeight) {
      return null; // this should be abstract
    };
    // Pointer Interaction Utils
    // -----------------------------------------------------------------------------------------------------------------
    DateComponent.prototype.isValidSegDownEl = function (el) {
      return (
        !this.props.eventDrag && // HACK
        !this.props.eventResize && // HACK
        !elementClosest(el, '.fc-event-mirror')
      );
    };
    DateComponent.prototype.isValidDateDownEl = function (el) {
      return (
        !elementClosest(el, '.fc-event:not(.fc-bg-event)') &&
        !elementClosest(el, '.fc-more-link') && // a "more.." link
        !elementClosest(el, 'a[data-navlink]') && // a clickable nav link
        !elementClosest(el, '.fc-popover')
      ); // hack
    };
    return DateComponent;
  })(BaseComponent);

  // TODO: easier way to add new hooks? need to update a million things
  function createPlugin(input) {
    return {
      id: guid(),
      deps: input.deps || [],
      reducers: input.reducers || [],
      isLoadingFuncs: input.isLoadingFuncs || [],
      contextInit: [].concat(input.contextInit || []),
      eventRefiners: input.eventRefiners || {},
      eventDefMemberAdders: input.eventDefMemberAdders || [],
      eventSourceRefiners: input.eventSourceRefiners || {},
      isDraggableTransformers: input.isDraggableTransformers || [],
      eventDragMutationMassagers: input.eventDragMutationMassagers || [],
      eventDefMutationAppliers: input.eventDefMutationAppliers || [],
      dateSelectionTransformers: input.dateSelectionTransformers || [],
      datePointTransforms: input.datePointTransforms || [],
      dateSpanTransforms: input.dateSpanTransforms || [],
      views: input.views || {},
      viewPropsTransformers: input.viewPropsTransformers || [],
      isPropsValid: input.isPropsValid || null,
      externalDefTransforms: input.externalDefTransforms || [],
      viewContainerAppends: input.viewContainerAppends || [],
      eventDropTransformers: input.eventDropTransformers || [],
      componentInteractions: input.componentInteractions || [],
      calendarInteractions: input.calendarInteractions || [],
      themeClasses: input.themeClasses || {},
      eventSourceDefs: input.eventSourceDefs || [],
      cmdFormatter: input.cmdFormatter,
      recurringTypes: input.recurringTypes || [],
      namedTimeZonedImpl: input.namedTimeZonedImpl,
      initialView: input.initialView || '',
      elementDraggingImpl: input.elementDraggingImpl,
      optionChangeHandlers: input.optionChangeHandlers || {},
      scrollGridImpl: input.scrollGridImpl || null,
      contentTypeHandlers: input.contentTypeHandlers || {},
      listenerRefiners: input.listenerRefiners || {},
      optionRefiners: input.optionRefiners || {},
      propSetHandlers: input.propSetHandlers || {},
    };
  }
  function buildPluginHooks(pluginDefs, globalDefs) {
    var isAdded = {};
    var hooks = {
      reducers: [],
      isLoadingFuncs: [],
      contextInit: [],
      eventRefiners: {},
      eventDefMemberAdders: [],
      eventSourceRefiners: {},
      isDraggableTransformers: [],
      eventDragMutationMassagers: [],
      eventDefMutationAppliers: [],
      dateSelectionTransformers: [],
      datePointTransforms: [],
      dateSpanTransforms: [],
      views: {},
      viewPropsTransformers: [],
      isPropsValid: null,
      externalDefTransforms: [],
      viewContainerAppends: [],
      eventDropTransformers: [],
      componentInteractions: [],
      calendarInteractions: [],
      themeClasses: {},
      eventSourceDefs: [],
      cmdFormatter: null,
      recurringTypes: [],
      namedTimeZonedImpl: null,
      initialView: '',
      elementDraggingImpl: null,
      optionChangeHandlers: {},
      scrollGridImpl: null,
      contentTypeHandlers: {},
      listenerRefiners: {},
      optionRefiners: {},
      propSetHandlers: {},
    };
    function addDefs(defs) {
      for (var _i = 0, defs_1 = defs; _i < defs_1.length; _i++) {
        var def = defs_1[_i];
        if (!isAdded[def.id]) {
          isAdded[def.id] = true;
          addDefs(def.deps);
          hooks = combineHooks(hooks, def);
        }
      }
    }
    if (pluginDefs) {
      addDefs(pluginDefs);
    }
    addDefs(globalDefs);
    return hooks;
  }
  function buildBuildPluginHooks() {
    var currentOverrideDefs = [];
    var currentGlobalDefs = [];
    var currentHooks;
    return function (overrideDefs, globalDefs) {
      if (!currentHooks || !isArraysEqual(overrideDefs, currentOverrideDefs) || !isArraysEqual(globalDefs, currentGlobalDefs)) {
        currentHooks = buildPluginHooks(overrideDefs, globalDefs);
      }
      currentOverrideDefs = overrideDefs;
      currentGlobalDefs = globalDefs;
      return currentHooks;
    };
  }
  function combineHooks(hooks0, hooks1) {
    return {
      reducers: hooks0.reducers.concat(hooks1.reducers),
      isLoadingFuncs: hooks0.isLoadingFuncs.concat(hooks1.isLoadingFuncs),
      contextInit: hooks0.contextInit.concat(hooks1.contextInit),
      eventRefiners: __assign(__assign({}, hooks0.eventRefiners), hooks1.eventRefiners),
      eventDefMemberAdders: hooks0.eventDefMemberAdders.concat(hooks1.eventDefMemberAdders),
      eventSourceRefiners: __assign(__assign({}, hooks0.eventSourceRefiners), hooks1.eventSourceRefiners),
      isDraggableTransformers: hooks0.isDraggableTransformers.concat(hooks1.isDraggableTransformers),
      eventDragMutationMassagers: hooks0.eventDragMutationMassagers.concat(hooks1.eventDragMutationMassagers),
      eventDefMutationAppliers: hooks0.eventDefMutationAppliers.concat(hooks1.eventDefMutationAppliers),
      dateSelectionTransformers: hooks0.dateSelectionTransformers.concat(hooks1.dateSelectionTransformers),
      datePointTransforms: hooks0.datePointTransforms.concat(hooks1.datePointTransforms),
      dateSpanTransforms: hooks0.dateSpanTransforms.concat(hooks1.dateSpanTransforms),
      views: __assign(__assign({}, hooks0.views), hooks1.views),
      viewPropsTransformers: hooks0.viewPropsTransformers.concat(hooks1.viewPropsTransformers),
      isPropsValid: hooks1.isPropsValid || hooks0.isPropsValid,
      externalDefTransforms: hooks0.externalDefTransforms.concat(hooks1.externalDefTransforms),
      viewContainerAppends: hooks0.viewContainerAppends.concat(hooks1.viewContainerAppends),
      eventDropTransformers: hooks0.eventDropTransformers.concat(hooks1.eventDropTransformers),
      calendarInteractions: hooks0.calendarInteractions.concat(hooks1.calendarInteractions),
      componentInteractions: hooks0.componentInteractions.concat(hooks1.componentInteractions),
      themeClasses: __assign(__assign({}, hooks0.themeClasses), hooks1.themeClasses),
      eventSourceDefs: hooks0.eventSourceDefs.concat(hooks1.eventSourceDefs),
      cmdFormatter: hooks1.cmdFormatter || hooks0.cmdFormatter,
      recurringTypes: hooks0.recurringTypes.concat(hooks1.recurringTypes),
      namedTimeZonedImpl: hooks1.namedTimeZonedImpl || hooks0.namedTimeZonedImpl,
      initialView: hooks0.initialView || hooks1.initialView,
      elementDraggingImpl: hooks0.elementDraggingImpl || hooks1.elementDraggingImpl,
      optionChangeHandlers: __assign(__assign({}, hooks0.optionChangeHandlers), hooks1.optionChangeHandlers),
      scrollGridImpl: hooks1.scrollGridImpl || hooks0.scrollGridImpl,
      contentTypeHandlers: __assign(__assign({}, hooks0.contentTypeHandlers), hooks1.contentTypeHandlers),
      listenerRefiners: __assign(__assign({}, hooks0.listenerRefiners), hooks1.listenerRefiners),
      optionRefiners: __assign(__assign({}, hooks0.optionRefiners), hooks1.optionRefiners),
      propSetHandlers: __assign(__assign({}, hooks0.propSetHandlers), hooks1.propSetHandlers),
    };
  }

  var StandardTheme = /** @class */ (function (_super) {
    __extends(StandardTheme, _super);
    function StandardTheme() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    return StandardTheme;
  })(Theme);
  StandardTheme.prototype.classes = {
    root: 'fc-theme-standard',
    tableCellShaded: 'fc-cell-shaded',
    buttonGroup: 'fc-button-group',
    button: 'fc-button fc-button-primary',
    buttonActive: 'fc-button-active',
  };
  StandardTheme.prototype.baseIconClass = 'fc-icon';
  StandardTheme.prototype.iconClasses = {
    close: 'fc-icon-x',
    prev: 'fc-icon-chevron-left',
    next: 'fc-icon-chevron-right',
    prevYear: 'fc-icon-chevrons-left',
    nextYear: 'fc-icon-chevrons-right',
  };
  StandardTheme.prototype.rtlIconClasses = {
    prev: 'fc-icon-chevron-right',
    next: 'fc-icon-chevron-left',
    prevYear: 'fc-icon-chevrons-right',
    nextYear: 'fc-icon-chevrons-left',
  };
  StandardTheme.prototype.iconOverrideOption = 'buttonIcons'; // TODO: make TS-friendly
  StandardTheme.prototype.iconOverrideCustomButtonOption = 'icon';
  StandardTheme.prototype.iconOverridePrefix = 'fc-icon-';

  function compileViewDefs(defaultConfigs, overrideConfigs) {
    var hash = {};
    var viewType;
    for (viewType in defaultConfigs) {
      ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs);
    }
    for (viewType in overrideConfigs) {
      ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs);
    }
    return hash;
  }
  function ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs) {
    if (hash[viewType]) {
      return hash[viewType];
    }
    var viewDef = buildViewDef(viewType, hash, defaultConfigs, overrideConfigs);
    if (viewDef) {
      hash[viewType] = viewDef;
    }
    return viewDef;
  }
  function buildViewDef(viewType, hash, defaultConfigs, overrideConfigs) {
    var defaultConfig = defaultConfigs[viewType];
    var overrideConfig = overrideConfigs[viewType];
    var queryProp = function (name) {
      return defaultConfig && defaultConfig[name] !== null ? defaultConfig[name] : overrideConfig && overrideConfig[name] !== null ? overrideConfig[name] : null;
    };
    var theComponent = queryProp('component');
    var superType = queryProp('superType');
    var superDef = null;
    if (superType) {
      if (superType === viewType) {
        throw new Error("Can't have a custom view type that references itself");
      }
      superDef = ensureViewDef(superType, hash, defaultConfigs, overrideConfigs);
    }
    if (!theComponent && superDef) {
      theComponent = superDef.component;
    }
    if (!theComponent) {
      return null; // don't throw a warning, might be settings for a single-unit view
    }
    return {
      type: viewType,
      component: theComponent,
      defaults: __assign(__assign({}, superDef ? superDef.defaults : {}), defaultConfig ? defaultConfig.rawOptions : {}),
      overrides: __assign(__assign({}, superDef ? superDef.overrides : {}), overrideConfig ? overrideConfig.rawOptions : {}),
    };
  }

  /* eslint max-classes-per-file: off */
  // NOTE: in JSX, you should always use this class with <HookProps> arg. otherwise, will default to any???
  var RenderHook = /** @class */ (function (_super) {
    __extends(RenderHook, _super);
    function RenderHook() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.rootElRef = createRef();
      _this.handleRootEl = function (el) {
        setRef(_this.rootElRef, el);
        if (_this.props.elRef) {
          setRef(_this.props.elRef, el);
        }
      };
      return _this;
    }
    RenderHook.prototype.render = function () {
      var _this = this;
      var props = this.props;
      var hookProps = props.hookProps;
      return createElement(MountHook, { hookProps: hookProps, didMount: props.didMount, willUnmount: props.willUnmount, elRef: this.handleRootEl }, function (rootElRef) {
        return createElement(ContentHook, { hookProps: hookProps, content: props.content, defaultContent: props.defaultContent, backupElRef: _this.rootElRef }, function (innerElRef, innerContent) {
          return props.children(rootElRef, normalizeClassNames(props.classNames, hookProps), innerElRef, innerContent);
        });
      });
    };
    return RenderHook;
  })(BaseComponent);
  // TODO: rename to be about function, not default. use in above type
  // for forcing rerender of components that use the ContentHook
  var CustomContentRenderContext = createContext(0);
  function ContentHook(props) {
    return createElement(CustomContentRenderContext.Consumer, null, function (renderId) {
      return createElement(ContentHookInner, __assign({ renderId: renderId }, props));
    });
  }
  var ContentHookInner = /** @class */ (function (_super) {
    __extends(ContentHookInner, _super);
    function ContentHookInner() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.innerElRef = createRef();
      return _this;
    }
    ContentHookInner.prototype.render = function () {
      return this.props.children(this.innerElRef, this.renderInnerContent());
    };
    ContentHookInner.prototype.componentDidMount = function () {
      this.updateCustomContent();
    };
    ContentHookInner.prototype.componentDidUpdate = function () {
      this.updateCustomContent();
    };
    ContentHookInner.prototype.componentWillUnmount = function () {
      if (this.customContentInfo && this.customContentInfo.destroy) {
        this.customContentInfo.destroy();
      }
    };
    ContentHookInner.prototype.renderInnerContent = function () {
      var customContentInfo = this.customContentInfo; // only populated if using non-[p]react node(s)
      var innerContent = this.getInnerContent();
      var meta = this.getContentMeta(innerContent);
      // initial run, or content-type changing? (from vue -> react for example)
      if (!customContentInfo || customContentInfo.contentKey !== meta.contentKey) {
        // clearing old value
        if (customContentInfo) {
          if (customContentInfo.destroy) {
            customContentInfo.destroy();
          }
          customContentInfo = this.customContentInfo = null;
        }
        // assigning new value
        if (meta.contentKey) {
          customContentInfo = this.customContentInfo = __assign({ contentKey: meta.contentKey, contentVal: innerContent[meta.contentKey] }, meta.buildLifecycleFuncs());
        }
        // updating
      } else if (customContentInfo) {
        customContentInfo.contentVal = innerContent[meta.contentKey];
      }
      return customContentInfo
        ? [] // signal that something was specified
        : innerContent; // assume a [p]react vdom node. use it
    };
    ContentHookInner.prototype.getInnerContent = function () {
      var props = this.props;
      var innerContent = normalizeContent(props.content, props.hookProps);
      if (innerContent === undefined) {
        // use the default
        innerContent = normalizeContent(props.defaultContent, props.hookProps);
      }
      return innerContent == null ? null : innerContent; // convert undefined to null (better for React)
    };
    ContentHookInner.prototype.getContentMeta = function (innerContent) {
      var contentTypeHandlers = this.context.pluginHooks.contentTypeHandlers;
      var contentKey = '';
      var buildLifecycleFuncs = null;
      if (innerContent) {
        // allowed to be null, for convenience to caller
        for (var searchKey in contentTypeHandlers) {
          if (innerContent[searchKey] !== undefined) {
            contentKey = searchKey;
            buildLifecycleFuncs = contentTypeHandlers[searchKey];
            break;
          }
        }
      }
      return { contentKey: contentKey, buildLifecycleFuncs: buildLifecycleFuncs };
    };
    ContentHookInner.prototype.updateCustomContent = function () {
      if (this.customContentInfo) {
        // for non-[p]react
        this.customContentInfo.render(
          this.innerElRef.current || this.props.backupElRef.current, // the element to render into
          this.customContentInfo.contentVal,
        );
      }
    };
    return ContentHookInner;
  })(BaseComponent);
  var MountHook = /** @class */ (function (_super) {
    __extends(MountHook, _super);
    function MountHook() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.handleRootEl = function (rootEl) {
        _this.rootEl = rootEl;
        if (_this.props.elRef) {
          setRef(_this.props.elRef, rootEl);
        }
      };
      return _this;
    }
    MountHook.prototype.render = function () {
      return this.props.children(this.handleRootEl);
    };
    MountHook.prototype.componentDidMount = function () {
      var callback = this.props.didMount;
      if (callback) {
        callback(__assign(__assign({}, this.props.hookProps), { el: this.rootEl }));
      }
    };
    MountHook.prototype.componentWillUnmount = function () {
      var callback = this.props.willUnmount;
      if (callback) {
        callback(__assign(__assign({}, this.props.hookProps), { el: this.rootEl }));
      }
    };
    return MountHook;
  })(BaseComponent);
  function buildClassNameNormalizer() {
    var currentGenerator;
    var currentHookProps;
    var currentClassNames = [];
    return function (generator, hookProps) {
      if (!currentHookProps || !isPropsEqual(currentHookProps, hookProps) || generator !== currentGenerator) {
        currentGenerator = generator;
        currentHookProps = hookProps;
        currentClassNames = normalizeClassNames(generator, hookProps);
      }
      return currentClassNames;
    };
  }
  function normalizeClassNames(classNames, hookProps) {
    if (typeof classNames === 'function') {
      classNames = classNames(hookProps);
    }
    return parseClassNames(classNames);
  }
  function normalizeContent(input, hookProps) {
    if (typeof input === 'function') {
      return input(hookProps, createElement); // give the function the vdom-creation func
    }
    return input;
  }

  var ViewRoot = /** @class */ (function (_super) {
    __extends(ViewRoot, _super);
    function ViewRoot() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.normalizeClassNames = buildClassNameNormalizer();
      return _this;
    }
    ViewRoot.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var options = context.options;
      var hookProps = { view: context.viewApi };
      var customClassNames = this.normalizeClassNames(options.viewClassNames, hookProps);
      return createElement(MountHook, { hookProps: hookProps, didMount: options.viewDidMount, willUnmount: options.viewWillUnmount, elRef: props.elRef }, function (rootElRef) {
        return props.children(rootElRef, ['fc-' + props.viewSpec.type + '-view', 'fc-view'].concat(customClassNames));
      });
    };
    return ViewRoot;
  })(BaseComponent);

  function parseViewConfigs(inputs) {
    return mapHash(inputs, parseViewConfig);
  }
  function parseViewConfig(input) {
    var rawOptions = typeof input === 'function' ? { component: input } : input;
    var component = rawOptions.component;
    if (rawOptions.content) {
      component = createViewHookComponent(rawOptions);
      // TODO: remove content/classNames/didMount/etc from options?
    }
    return {
      superType: rawOptions.type,
      component: component,
      rawOptions: rawOptions,
    };
  }
  function createViewHookComponent(options) {
    return function (viewProps) {
      return createElement(ViewContextType.Consumer, null, function (context) {
        return createElement(ViewRoot, { viewSpec: context.viewSpec }, function (viewElRef, viewClassNames) {
          var hookProps = __assign(__assign({}, viewProps), { nextDayThreshold: context.options.nextDayThreshold });
          return createElement(
            RenderHook,
            { hookProps: hookProps, classNames: options.classNames, content: options.content, didMount: options.didMount, willUnmount: options.willUnmount, elRef: viewElRef },
            function (rootElRef, customClassNames, innerElRef, innerContent) {
              return createElement('div', { className: viewClassNames.concat(customClassNames).join(' '), ref: rootElRef }, innerContent);
            },
          );
        });
      });
    };
  }

  function buildViewSpecs(defaultInputs, optionOverrides, dynamicOptionOverrides, localeDefaults) {
    var defaultConfigs = parseViewConfigs(defaultInputs);
    var overrideConfigs = parseViewConfigs(optionOverrides.views);
    var viewDefs = compileViewDefs(defaultConfigs, overrideConfigs);
    return mapHash(viewDefs, function (viewDef) {
      return buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults);
    });
  }
  function buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults) {
    var durationInput = viewDef.overrides.duration || viewDef.defaults.duration || dynamicOptionOverrides.duration || optionOverrides.duration;
    var duration = null;
    var durationUnit = '';
    var singleUnit = '';
    var singleUnitOverrides = {};
    if (durationInput) {
      duration = createDurationCached(durationInput);
      if (duration) {
        // valid?
        var denom = greatestDurationDenominator(duration);
        durationUnit = denom.unit;
        if (denom.value === 1) {
          singleUnit = durationUnit;
          singleUnitOverrides = overrideConfigs[durationUnit] ? overrideConfigs[durationUnit].rawOptions : {};
        }
      }
    }
    var queryButtonText = function (optionsSubset) {
      var buttonTextMap = optionsSubset.buttonText || {};
      var buttonTextKey = viewDef.defaults.buttonTextKey;
      if (buttonTextKey != null && buttonTextMap[buttonTextKey] != null) {
        return buttonTextMap[buttonTextKey];
      }
      if (buttonTextMap[viewDef.type] != null) {
        return buttonTextMap[viewDef.type];
      }
      if (buttonTextMap[singleUnit] != null) {
        return buttonTextMap[singleUnit];
      }
      return null;
    };
    var queryButtonTitle = function (optionsSubset) {
      var buttonHints = optionsSubset.buttonHints || {};
      var buttonKey = viewDef.defaults.buttonTextKey; // use same key as text
      if (buttonKey != null && buttonHints[buttonKey] != null) {
        return buttonHints[buttonKey];
      }
      if (buttonHints[viewDef.type] != null) {
        return buttonHints[viewDef.type];
      }
      if (buttonHints[singleUnit] != null) {
        return buttonHints[singleUnit];
      }
      return null;
    };
    return {
      type: viewDef.type,
      component: viewDef.component,
      duration: duration,
      durationUnit: durationUnit,
      singleUnit: singleUnit,
      optionDefaults: viewDef.defaults,
      optionOverrides: __assign(__assign({}, singleUnitOverrides), viewDef.overrides),
      buttonTextOverride:
        queryButtonText(dynamicOptionOverrides) ||
        queryButtonText(optionOverrides) || // constructor-specified buttonText lookup hash takes precedence
        viewDef.overrides.buttonText,
      buttonTextDefault: queryButtonText(localeDefaults) || viewDef.defaults.buttonText || queryButtonText(BASE_OPTION_DEFAULTS) || viewDef.type,
      // not DRY
      buttonTitleOverride: queryButtonTitle(dynamicOptionOverrides) || queryButtonTitle(optionOverrides) || viewDef.overrides.buttonHint,
      buttonTitleDefault: queryButtonTitle(localeDefaults) || viewDef.defaults.buttonHint || queryButtonTitle(BASE_OPTION_DEFAULTS),
      // will eventually fall back to buttonText
    };
  }
  // hack to get memoization working
  var durationInputMap = {};
  function createDurationCached(durationInput) {
    var json = JSON.stringify(durationInput);
    var res = durationInputMap[json];
    if (res === undefined) {
      res = createDuration(durationInput);
      durationInputMap[json] = res;
    }
    return res;
  }

  var DateProfileGenerator = /** @class */ (function () {
    function DateProfileGenerator(props) {
      this.props = props;
      this.nowDate = getNow(props.nowInput, props.dateEnv);
      this.initHiddenDays();
    }
    /* Date Range Computation
        ------------------------------------------------------------------------------------------------------------------*/
    // Builds a structure with info about what the dates/ranges will be for the "prev" view.
    DateProfileGenerator.prototype.buildPrev = function (currentDateProfile, currentDate, forceToValid) {
      var dateEnv = this.props.dateEnv;
      var prevDate = dateEnv.subtract(
        dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month
        currentDateProfile.dateIncrement,
      );
      return this.build(prevDate, -1, forceToValid);
    };
    // Builds a structure with info about what the dates/ranges will be for the "next" view.
    DateProfileGenerator.prototype.buildNext = function (currentDateProfile, currentDate, forceToValid) {
      var dateEnv = this.props.dateEnv;
      var nextDate = dateEnv.add(
        dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month
        currentDateProfile.dateIncrement,
      );
      return this.build(nextDate, 1, forceToValid);
    };
    // Builds a structure holding dates/ranges for rendering around the given date.
    // Optional direction param indicates whether the date is being incremented/decremented
    // from its previous value. decremented = -1, incremented = 1 (default).
    DateProfileGenerator.prototype.build = function (currentDate, direction, forceToValid) {
      if (forceToValid === void 0) {
        forceToValid = true;
      }
      var props = this.props;
      var validRange;
      var currentInfo;
      var isRangeAllDay;
      var renderRange;
      var activeRange;
      var isValid;
      validRange = this.buildValidRange();
      validRange = this.trimHiddenDays(validRange);
      if (forceToValid) {
        currentDate = constrainMarkerToRange(currentDate, validRange);
      }
      currentInfo = this.buildCurrentRangeInfo(currentDate, direction);
      isRangeAllDay = /^(year|month|week|day)$/.test(currentInfo.unit);
      renderRange = this.buildRenderRange(this.trimHiddenDays(currentInfo.range), currentInfo.unit, isRangeAllDay);
      renderRange = this.trimHiddenDays(renderRange);
      activeRange = renderRange;
      if (!props.showNonCurrentDates) {
        activeRange = intersectRanges(activeRange, currentInfo.range);
      }
      activeRange = this.adjustActiveRange(activeRange);
      activeRange = intersectRanges(activeRange, validRange); // might return null
      // it's invalid if the originally requested date is not contained,
      // or if the range is completely outside of the valid range.
      isValid = rangesIntersect(currentInfo.range, validRange);
      return {
        // constraint for where prev/next operations can go and where events can be dragged/resized to.
        // an object with optional start and end properties.
        validRange: validRange,
        // range the view is formally responsible for.
        // for example, a month view might have 1st-31st, excluding padded dates
        currentRange: currentInfo.range,
        // name of largest unit being displayed, like "month" or "week"
        currentRangeUnit: currentInfo.unit,
        isRangeAllDay: isRangeAllDay,
        // dates that display events and accept drag-n-drop
        // will be `null` if no dates accept events
        activeRange: activeRange,
        // date range with a rendered skeleton
        // includes not-active days that need some sort of DOM
        renderRange: renderRange,
        // Duration object that denotes the first visible time of any given day
        slotMinTime: props.slotMinTime,
        // Duration object that denotes the exclusive visible end time of any given day
        slotMaxTime: props.slotMaxTime,
        isValid: isValid,
        // how far the current date will move for a prev/next operation
        dateIncrement: this.buildDateIncrement(currentInfo.duration),
        // pass a fallback (might be null) ^
      };
    };
    // Builds an object with optional start/end properties.
    // Indicates the minimum/maximum dates to display.
    // not responsible for trimming hidden days.
    DateProfileGenerator.prototype.buildValidRange = function () {
      var input = this.props.validRangeInput;
      var simpleInput = typeof input === 'function' ? input.call(this.props.calendarApi, this.nowDate) : input;
      return this.refineRange(simpleInput) || { start: null, end: null }; // completely open-ended
    };
    // Builds a structure with info about the "current" range, the range that is
    // highlighted as being the current month for example.
    // See build() for a description of `direction`.
    // Guaranteed to have `range` and `unit` properties. `duration` is optional.
    DateProfileGenerator.prototype.buildCurrentRangeInfo = function (date, direction) {
      var props = this.props;
      var duration = null;
      var unit = null;
      var range = null;
      var dayCount;
      if (props.duration) {
        duration = props.duration;
        unit = props.durationUnit;
        range = this.buildRangeFromDuration(date, direction, duration, unit);
      } else if ((dayCount = this.props.dayCount)) {
        unit = 'day';
        range = this.buildRangeFromDayCount(date, direction, dayCount);
      } else if ((range = this.buildCustomVisibleRange(date))) {
        unit = props.dateEnv.greatestWholeUnit(range.start, range.end).unit;
      } else {
        duration = this.getFallbackDuration();
        unit = greatestDurationDenominator(duration).unit;
        range = this.buildRangeFromDuration(date, direction, duration, unit);
      }
      return { duration: duration, unit: unit, range: range };
    };
    DateProfileGenerator.prototype.getFallbackDuration = function () {
      return createDuration({ day: 1 });
    };
    // Returns a new activeRange to have time values (un-ambiguate)
    // slotMinTime or slotMaxTime causes the range to expand.
    DateProfileGenerator.prototype.adjustActiveRange = function (range) {
      var _a = this.props,
        dateEnv = _a.dateEnv,
        usesMinMaxTime = _a.usesMinMaxTime,
        slotMinTime = _a.slotMinTime,
        slotMaxTime = _a.slotMaxTime;
      var start = range.start,
        end = range.end;
      if (usesMinMaxTime) {
        // expand active range if slotMinTime is negative (why not when positive?)
        if (asRoughDays(slotMinTime) < 0) {
          start = startOfDay(start); // necessary?
          start = dateEnv.add(start, slotMinTime);
        }
        // expand active range if slotMaxTime is beyond one day (why not when negative?)
        if (asRoughDays(slotMaxTime) > 1) {
          end = startOfDay(end); // necessary?
          end = addDays(end, -1);
          end = dateEnv.add(end, slotMaxTime);
        }
      }
      return { start: start, end: end };
    };
    // Builds the "current" range when it is specified as an explicit duration.
    // `unit` is the already-computed greatestDurationDenominator unit of duration.
    DateProfileGenerator.prototype.buildRangeFromDuration = function (date, direction, duration, unit) {
      var _a = this.props,
        dateEnv = _a.dateEnv,
        dateAlignment = _a.dateAlignment;
      var start;
      var end;
      var res;
      // compute what the alignment should be
      if (!dateAlignment) {
        var dateIncrement = this.props.dateIncrement;
        if (dateIncrement) {
          // use the smaller of the two units
          if (asRoughMs(dateIncrement) < asRoughMs(duration)) {
            dateAlignment = greatestDurationDenominator(dateIncrement).unit;
          } else {
            dateAlignment = unit;
          }
        } else {
          dateAlignment = unit;
        }
      }
      // if the view displays a single day or smaller
      if (asRoughDays(duration) <= 1) {
        if (this.isHiddenDay(start)) {
          start = this.skipHiddenDays(start, direction);
          start = startOfDay(start);
        }
      }
      function computeRes() {
        start = dateEnv.startOf(date, dateAlignment);
        end = dateEnv.add(start, duration);
        res = { start: start, end: end };
      }
      computeRes();
      // if range is completely enveloped by hidden days, go past the hidden days
      if (!this.trimHiddenDays(res)) {
        date = this.skipHiddenDays(date, direction);
        computeRes();
      }
      return res;
    };
    // Builds the "current" range when a dayCount is specified.
    DateProfileGenerator.prototype.buildRangeFromDayCount = function (date, direction, dayCount) {
      var _a = this.props,
        dateEnv = _a.dateEnv,
        dateAlignment = _a.dateAlignment;
      var runningCount = 0;
      var start = date;
      var end;
      if (dateAlignment) {
        start = dateEnv.startOf(start, dateAlignment);
      }
      start = startOfDay(start);
      start = this.skipHiddenDays(start, direction);
      end = start;
      do {
        end = addDays(end, 1);
        if (!this.isHiddenDay(end)) {
          runningCount += 1;
        }
      } while (runningCount < dayCount);
      return { start: start, end: end };
    };
    // Builds a normalized range object for the "visible" range,
    // which is a way to define the currentRange and activeRange at the same time.
    DateProfileGenerator.prototype.buildCustomVisibleRange = function (date) {
      var props = this.props;
      var input = props.visibleRangeInput;
      var simpleInput = typeof input === 'function' ? input.call(props.calendarApi, props.dateEnv.toDate(date)) : input;
      var range = this.refineRange(simpleInput);
      if (range && (range.start == null || range.end == null)) {
        return null;
      }
      return range;
    };
    // Computes the range that will represent the element/cells for *rendering*,
    // but which may have voided days/times.
    // not responsible for trimming hidden days.
    DateProfileGenerator.prototype.buildRenderRange = function (currentRange, currentRangeUnit, isRangeAllDay) {
      return currentRange;
    };
    // Compute the duration value that should be added/substracted to the current date
    // when a prev/next operation happens.
    DateProfileGenerator.prototype.buildDateIncrement = function (fallback) {
      var dateIncrement = this.props.dateIncrement;
      var customAlignment;
      if (dateIncrement) {
        return dateIncrement;
      }
      if ((customAlignment = this.props.dateAlignment)) {
        return createDuration(1, customAlignment);
      }
      if (fallback) {
        return fallback;
      }
      return createDuration({ days: 1 });
    };
    DateProfileGenerator.prototype.refineRange = function (rangeInput) {
      if (rangeInput) {
        var range = parseRange(rangeInput, this.props.dateEnv);
        if (range) {
          range = computeVisibleDayRange(range);
        }
        return range;
      }
      return null;
    };
    /* Hidden Days
        ------------------------------------------------------------------------------------------------------------------*/
    // Initializes internal variables related to calculating hidden days-of-week
    DateProfileGenerator.prototype.initHiddenDays = function () {
      var hiddenDays = this.props.hiddenDays || []; // array of day-of-week indices that are hidden
      var isHiddenDayHash = []; // is the day-of-week hidden? (hash with day-of-week-index -> bool)
      var dayCnt = 0;
      var i;
      if (this.props.weekends === false) {
        hiddenDays.push(0, 6); // 0=sunday, 6=saturday
      }
      for (i = 0; i < 7; i += 1) {
        if (!(isHiddenDayHash[i] = hiddenDays.indexOf(i) !== -1)) {
          dayCnt += 1;
        }
      }
      if (!dayCnt) {
        throw new Error('invalid hiddenDays'); // all days were hidden? bad.
      }
      this.isHiddenDayHash = isHiddenDayHash;
    };
    // Remove days from the beginning and end of the range that are computed as hidden.
    // If the whole range is trimmed off, returns null
    DateProfileGenerator.prototype.trimHiddenDays = function (range) {
      var start = range.start,
        end = range.end;
      if (start) {
        start = this.skipHiddenDays(start);
      }
      if (end) {
        end = this.skipHiddenDays(end, -1, true);
      }
      if (start == null || end == null || start < end) {
        return { start: start, end: end };
      }
      return null;
    };
    // Is the current day hidden?
    // `day` is a day-of-week index (0-6), or a Date (used for UTC)
    DateProfileGenerator.prototype.isHiddenDay = function (day) {
      if (day instanceof Date) {
        day = day.getUTCDay();
      }
      return this.isHiddenDayHash[day];
    };
    // Incrementing the current day until it is no longer a hidden day, returning a copy.
    // DOES NOT CONSIDER validRange!
    // If the initial value of `date` is not a hidden day, don't do anything.
    // Pass `isExclusive` as `true` if you are dealing with an end date.
    // `inc` defaults to `1` (increment one day forward each time)
    DateProfileGenerator.prototype.skipHiddenDays = function (date, inc, isExclusive) {
      if (inc === void 0) {
        inc = 1;
      }
      if (isExclusive === void 0) {
        isExclusive = false;
      }
      while (this.isHiddenDayHash[(date.getUTCDay() + (isExclusive ? inc : 0) + 7) % 7]) {
        date = addDays(date, inc);
      }
      return date;
    };
    return DateProfileGenerator;
  })();

  function reduceViewType(viewType, action) {
    switch (action.type) {
      case 'CHANGE_VIEW_TYPE':
        viewType = action.viewType;
    }
    return viewType;
  }

  function reduceDynamicOptionOverrides(dynamicOptionOverrides, action) {
    var _a;
    switch (action.type) {
      case 'SET_OPTION':
        return __assign(__assign({}, dynamicOptionOverrides), ((_a = {}), (_a[action.optionName] = action.rawOptionValue), _a));
      default:
        return dynamicOptionOverrides;
    }
  }

  function reduceDateProfile(currentDateProfile, action, currentDate, dateProfileGenerator) {
    var dp;
    switch (action.type) {
      case 'CHANGE_VIEW_TYPE':
        return dateProfileGenerator.build(action.dateMarker || currentDate);
      case 'CHANGE_DATE':
        return dateProfileGenerator.build(action.dateMarker);
      case 'PREV':
        dp = dateProfileGenerator.buildPrev(currentDateProfile, currentDate);
        if (dp.isValid) {
          return dp;
        }
        break;
      case 'NEXT':
        dp = dateProfileGenerator.buildNext(currentDateProfile, currentDate);
        if (dp.isValid) {
          return dp;
        }
        break;
    }
    return currentDateProfile;
  }

  function initEventSources(calendarOptions, dateProfile, context) {
    var activeRange = dateProfile ? dateProfile.activeRange : null;
    return addSources({}, parseInitialSources(calendarOptions, context), activeRange, context);
  }
  function reduceEventSources(eventSources, action, dateProfile, context) {
    var activeRange = dateProfile ? dateProfile.activeRange : null; // need this check?
    switch (action.type) {
      case 'ADD_EVENT_SOURCES': // already parsed
        return addSources(eventSources, action.sources, activeRange, context);
      case 'REMOVE_EVENT_SOURCE':
        return removeSource(eventSources, action.sourceId);
      case 'PREV': // TODO: how do we track all actions that affect dateProfile :(
      case 'NEXT':
      case 'CHANGE_DATE':
      case 'CHANGE_VIEW_TYPE':
        if (dateProfile) {
          return fetchDirtySources(eventSources, activeRange, context);
        }
        return eventSources;
      case 'FETCH_EVENT_SOURCES':
        return fetchSourcesByIds(
          eventSources,
          action.sourceIds // why no type?
            ? arrayToHash(action.sourceIds)
            : excludeStaticSources(eventSources, context),
          activeRange,
          action.isRefetch || false,
          context,
        );
      case 'RECEIVE_EVENTS':
      case 'RECEIVE_EVENT_ERROR':
        return receiveResponse(eventSources, action.sourceId, action.fetchId, action.fetchRange);
      case 'REMOVE_ALL_EVENT_SOURCES':
        return {};
      default:
        return eventSources;
    }
  }
  function reduceEventSourcesNewTimeZone(eventSources, dateProfile, context) {
    var activeRange = dateProfile ? dateProfile.activeRange : null; // need this check?
    return fetchSourcesByIds(eventSources, excludeStaticSources(eventSources, context), activeRange, true, context);
  }
  function computeEventSourcesLoading(eventSources) {
    for (var sourceId in eventSources) {
      if (eventSources[sourceId].isFetching) {
        return true;
      }
    }
    return false;
  }
  function addSources(eventSourceHash, sources, fetchRange, context) {
    var hash = {};
    for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) {
      var source = sources_1[_i];
      hash[source.sourceId] = source;
    }
    if (fetchRange) {
      hash = fetchDirtySources(hash, fetchRange, context);
    }
    return __assign(__assign({}, eventSourceHash), hash);
  }
  function removeSource(eventSourceHash, sourceId) {
    return filterHash(eventSourceHash, function (eventSource) {
      return eventSource.sourceId !== sourceId;
    });
  }
  function fetchDirtySources(sourceHash, fetchRange, context) {
    return fetchSourcesByIds(
      sourceHash,
      filterHash(sourceHash, function (eventSource) {
        return isSourceDirty(eventSource, fetchRange, context);
      }),
      fetchRange,
      false,
      context,
    );
  }
  function isSourceDirty(eventSource, fetchRange, context) {
    if (!doesSourceNeedRange(eventSource, context)) {
      return !eventSource.latestFetchId;
    }
    return (
      !context.options.lazyFetching ||
      !eventSource.fetchRange ||
      eventSource.isFetching || // always cancel outdated in-progress fetches
      fetchRange.start < eventSource.fetchRange.start ||
      fetchRange.end > eventSource.fetchRange.end
    );
  }
  function fetchSourcesByIds(prevSources, sourceIdHash, fetchRange, isRefetch, context) {
    var nextSources = {};
    for (var sourceId in prevSources) {
      var source = prevSources[sourceId];
      if (sourceIdHash[sourceId]) {
        nextSources[sourceId] = fetchSource(source, fetchRange, isRefetch, context);
      } else {
        nextSources[sourceId] = source;
      }
    }
    return nextSources;
  }
  function fetchSource(eventSource, fetchRange, isRefetch, context) {
    var options = context.options,
      calendarApi = context.calendarApi;
    var sourceDef = context.pluginHooks.eventSourceDefs[eventSource.sourceDefId];
    var fetchId = guid();
    sourceDef.fetch(
      {
        eventSource: eventSource,
        range: fetchRange,
        isRefetch: isRefetch,
        context: context,
      },
      function (res) {
        var rawEvents = res.rawEvents;
        if (options.eventSourceSuccess) {
          rawEvents = options.eventSourceSuccess.call(calendarApi, rawEvents, res.xhr) || rawEvents;
        }
        if (eventSource.success) {
          rawEvents = eventSource.success.call(calendarApi, rawEvents, res.xhr) || rawEvents;
        }
        context.dispatch({
          type: 'RECEIVE_EVENTS',
          sourceId: eventSource.sourceId,
          fetchId: fetchId,
          fetchRange: fetchRange,
          rawEvents: rawEvents,
        });
      },
      function (error) {
        console.warn(error.message, error);
        if (options.eventSourceFailure) {
          options.eventSourceFailure.call(calendarApi, error);
        }
        if (eventSource.failure) {
          eventSource.failure(error);
        }
        context.dispatch({
          type: 'RECEIVE_EVENT_ERROR',
          sourceId: eventSource.sourceId,
          fetchId: fetchId,
          fetchRange: fetchRange,
          error: error,
        });
      },
    );
    return __assign(__assign({}, eventSource), { isFetching: true, latestFetchId: fetchId });
  }
  function receiveResponse(sourceHash, sourceId, fetchId, fetchRange) {
    var _a;
    var eventSource = sourceHash[sourceId];
    if (
      eventSource && // not already removed
      fetchId === eventSource.latestFetchId
    ) {
      return __assign(__assign({}, sourceHash), ((_a = {}), (_a[sourceId] = __assign(__assign({}, eventSource), { isFetching: false, fetchRange: fetchRange })), _a));
    }
    return sourceHash;
  }
  function excludeStaticSources(eventSources, context) {
    return filterHash(eventSources, function (eventSource) {
      return doesSourceNeedRange(eventSource, context);
    });
  }
  function parseInitialSources(rawOptions, context) {
    var refiners = buildEventSourceRefiners(context);
    var rawSources = [].concat(rawOptions.eventSources || []);
    var sources = []; // parsed
    if (rawOptions.initialEvents) {
      rawSources.unshift(rawOptions.initialEvents);
    }
    if (rawOptions.events) {
      rawSources.unshift(rawOptions.events);
    }
    for (var _i = 0, rawSources_1 = rawSources; _i < rawSources_1.length; _i++) {
      var rawSource = rawSources_1[_i];
      var source = parseEventSource(rawSource, context, refiners);
      if (source) {
        sources.push(source);
      }
    }
    return sources;
  }
  function doesSourceNeedRange(eventSource, context) {
    var defs = context.pluginHooks.eventSourceDefs;
    return !defs[eventSource.sourceDefId].ignoreRange;
  }

  function reduceEventStore(eventStore, action, eventSources, dateProfile, context) {
    switch (action.type) {
      case 'RECEIVE_EVENTS': // raw
        return receiveRawEvents(eventStore, eventSources[action.sourceId], action.fetchId, action.fetchRange, action.rawEvents, context);
      case 'ADD_EVENTS': // already parsed, but not expanded
        return addEvent(
          eventStore,
          action.eventStore, // new ones
          dateProfile ? dateProfile.activeRange : null,
          context,
        );
      case 'RESET_EVENTS':
        return action.eventStore;
      case 'MERGE_EVENTS': // already parsed and expanded
        return mergeEventStores(eventStore, action.eventStore);
      case 'PREV': // TODO: how do we track all actions that affect dateProfile :(
      case 'NEXT':
      case 'CHANGE_DATE':
      case 'CHANGE_VIEW_TYPE':
        if (dateProfile) {
          return expandRecurring(eventStore, dateProfile.activeRange, context);
        }
        return eventStore;
      case 'REMOVE_EVENTS':
        return excludeSubEventStore(eventStore, action.eventStore);
      case 'REMOVE_EVENT_SOURCE':
        return excludeEventsBySourceId(eventStore, action.sourceId);
      case 'REMOVE_ALL_EVENT_SOURCES':
        return filterEventStoreDefs(eventStore, function (eventDef) {
          return !eventDef.sourceId; // only keep events with no source id
        });
      case 'REMOVE_ALL_EVENTS':
        return createEmptyEventStore();
      default:
        return eventStore;
    }
  }
  function receiveRawEvents(eventStore, eventSource, fetchId, fetchRange, rawEvents, context) {
    if (
      eventSource && // not already removed
      fetchId === eventSource.latestFetchId // TODO: wish this logic was always in event-sources
    ) {
      var subset = parseEvents(transformRawEvents(rawEvents, eventSource, context), eventSource, context);
      if (fetchRange) {
        subset = expandRecurring(subset, fetchRange, context);
      }
      return mergeEventStores(excludeEventsBySourceId(eventStore, eventSource.sourceId), subset);
    }
    return eventStore;
  }
  function transformRawEvents(rawEvents, eventSource, context) {
    var calEachTransform = context.options.eventDataTransform;
    var sourceEachTransform = eventSource ? eventSource.eventDataTransform : null;
    if (sourceEachTransform) {
      rawEvents = transformEachRawEvent(rawEvents, sourceEachTransform);
    }
    if (calEachTransform) {
      rawEvents = transformEachRawEvent(rawEvents, calEachTransform);
    }
    return rawEvents;
  }
  function transformEachRawEvent(rawEvents, func) {
    var refinedEvents;
    if (!func) {
      refinedEvents = rawEvents;
    } else {
      refinedEvents = [];
      for (var _i = 0, rawEvents_1 = rawEvents; _i < rawEvents_1.length; _i++) {
        var rawEvent = rawEvents_1[_i];
        var refinedEvent = func(rawEvent);
        if (refinedEvent) {
          refinedEvents.push(refinedEvent);
        } else if (refinedEvent == null) {
          refinedEvents.push(rawEvent);
        } // if a different falsy value, do nothing
      }
    }
    return refinedEvents;
  }
  function addEvent(eventStore, subset, expandRange, context) {
    if (expandRange) {
      subset = expandRecurring(subset, expandRange, context);
    }
    return mergeEventStores(eventStore, subset);
  }
  function rezoneEventStoreDates(eventStore, oldDateEnv, newDateEnv) {
    var defs = eventStore.defs;
    var instances = mapHash(eventStore.instances, function (instance) {
      var def = defs[instance.defId];
      if (def.allDay || def.recurringDef) {
        return instance; // isn't dependent on timezone
      }
      return __assign(__assign({}, instance), {
        range: {
          start: newDateEnv.createMarker(oldDateEnv.toDate(instance.range.start, instance.forcedStartTzo)),
          end: newDateEnv.createMarker(oldDateEnv.toDate(instance.range.end, instance.forcedEndTzo)),
        },
        forcedStartTzo: newDateEnv.canComputeOffset ? null : instance.forcedStartTzo,
        forcedEndTzo: newDateEnv.canComputeOffset ? null : instance.forcedEndTzo,
      });
    });
    return { defs: defs, instances: instances };
  }
  function excludeEventsBySourceId(eventStore, sourceId) {
    return filterEventStoreDefs(eventStore, function (eventDef) {
      return eventDef.sourceId !== sourceId;
    });
  }
  // QUESTION: why not just return instances? do a general object-property-exclusion util
  function excludeInstances(eventStore, removals) {
    return {
      defs: eventStore.defs,
      instances: filterHash(eventStore.instances, function (instance) {
        return !removals[instance.instanceId];
      }),
    };
  }

  function reduceDateSelection(currentSelection, action) {
    switch (action.type) {
      case 'UNSELECT_DATES':
        return null;
      case 'SELECT_DATES':
        return action.selection;
      default:
        return currentSelection;
    }
  }

  function reduceSelectedEvent(currentInstanceId, action) {
    switch (action.type) {
      case 'UNSELECT_EVENT':
        return '';
      case 'SELECT_EVENT':
        return action.eventInstanceId;
      default:
        return currentInstanceId;
    }
  }

  function reduceEventDrag(currentDrag, action) {
    var newDrag;
    switch (action.type) {
      case 'UNSET_EVENT_DRAG':
        return null;
      case 'SET_EVENT_DRAG':
        newDrag = action.state;
        return {
          affectedEvents: newDrag.affectedEvents,
          mutatedEvents: newDrag.mutatedEvents,
          isEvent: newDrag.isEvent,
        };
      default:
        return currentDrag;
    }
  }

  function reduceEventResize(currentResize, action) {
    var newResize;
    switch (action.type) {
      case 'UNSET_EVENT_RESIZE':
        return null;
      case 'SET_EVENT_RESIZE':
        newResize = action.state;
        return {
          affectedEvents: newResize.affectedEvents,
          mutatedEvents: newResize.mutatedEvents,
          isEvent: newResize.isEvent,
        };
      default:
        return currentResize;
    }
  }

  function parseToolbars(calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) {
    var header = calendarOptions.headerToolbar ? parseToolbar(calendarOptions.headerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) : null;
    var footer = calendarOptions.footerToolbar ? parseToolbar(calendarOptions.footerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) : null;
    return { header: header, footer: footer };
  }
  function parseToolbar(sectionStrHash, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) {
    var sectionWidgets = {};
    var viewsWithButtons = [];
    var hasTitle = false;
    for (var sectionName in sectionStrHash) {
      var sectionStr = sectionStrHash[sectionName];
      var sectionRes = parseSection(sectionStr, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi);
      sectionWidgets[sectionName] = sectionRes.widgets;
      viewsWithButtons.push.apply(viewsWithButtons, sectionRes.viewsWithButtons);
      hasTitle = hasTitle || sectionRes.hasTitle;
    }
    return { sectionWidgets: sectionWidgets, viewsWithButtons: viewsWithButtons, hasTitle: hasTitle };
  }
  /*
    BAD: querying icons and text here. should be done at render time
    */
  function parseSection(
    sectionStr,
    calendarOptions, // defaults+overrides, then refined
    calendarOptionOverrides, // overrides only!, unrefined :(
    theme,
    viewSpecs,
    calendarApi,
  ) {
    var isRtl = calendarOptions.direction === 'rtl';
    var calendarCustomButtons = calendarOptions.customButtons || {};
    var calendarButtonTextOverrides = calendarOptionOverrides.buttonText || {};
    var calendarButtonText = calendarOptions.buttonText || {};
    var calendarButtonHintOverrides = calendarOptionOverrides.buttonHints || {};
    var calendarButtonHints = calendarOptions.buttonHints || {};
    var sectionSubstrs = sectionStr ? sectionStr.split(' ') : [];
    var viewsWithButtons = [];
    var hasTitle = false;
    var widgets = sectionSubstrs.map(function (buttonGroupStr) {
      return buttonGroupStr.split(',').map(function (buttonName) {
        if (buttonName === 'title') {
          hasTitle = true;
          return { buttonName: buttonName };
        }
        var customButtonProps;
        var viewSpec;
        var buttonClick;
        var buttonIcon; // only one of these will be set
        var buttonText; // "
        var buttonHint;
        // ^ for the title="" attribute, for accessibility
        if ((customButtonProps = calendarCustomButtons[buttonName])) {
          buttonClick = function (ev) {
            if (customButtonProps.click) {
              customButtonProps.click.call(ev.target, ev, ev.target); // TODO: use Calendar this context?
            }
          };
          (buttonIcon = theme.getCustomButtonIconClass(customButtonProps)) || (buttonIcon = theme.getIconClass(buttonName, isRtl)) || (buttonText = customButtonProps.text);
          buttonHint = customButtonProps.hint || customButtonProps.text;
        } else if ((viewSpec = viewSpecs[buttonName])) {
          viewsWithButtons.push(buttonName);
          buttonClick = function () {
            calendarApi.changeView(buttonName);
          };
          (buttonText = viewSpec.buttonTextOverride) || (buttonIcon = theme.getIconClass(buttonName, isRtl)) || (buttonText = viewSpec.buttonTextDefault);
          var textFallback = viewSpec.buttonTextOverride || viewSpec.buttonTextDefault;
          buttonHint = formatWithOrdinals(
            viewSpec.buttonTitleOverride || viewSpec.buttonTitleDefault || calendarOptions.viewHint,
            [textFallback, buttonName], // view-name = buttonName
            textFallback,
          );
        } else if (calendarApi[buttonName]) {
          // a calendarApi method
          buttonClick = function () {
            calendarApi[buttonName]();
          };
          (buttonText = calendarButtonTextOverrides[buttonName]) || (buttonIcon = theme.getIconClass(buttonName, isRtl)) || (buttonText = calendarButtonText[buttonName]); // everything else is considered default
          if (buttonName === 'prevYear' || buttonName === 'nextYear') {
            var prevOrNext = buttonName === 'prevYear' ? 'prev' : 'next';
            buttonHint = formatWithOrdinals(calendarButtonHintOverrides[prevOrNext] || calendarButtonHints[prevOrNext], [calendarButtonText.year || 'year', 'year'], calendarButtonText[buttonName]);
          } else {
            buttonHint = function (navUnit) {
              return formatWithOrdinals(calendarButtonHintOverrides[buttonName] || calendarButtonHints[buttonName], [calendarButtonText[navUnit] || navUnit, navUnit], calendarButtonText[buttonName]);
            };
          }
        }
        return { buttonName: buttonName, buttonClick: buttonClick, buttonIcon: buttonIcon, buttonText: buttonText, buttonHint: buttonHint };
      });
    });
    return { widgets: widgets, viewsWithButtons: viewsWithButtons, hasTitle: hasTitle };
  }

  var eventSourceDef$3 = {
    ignoreRange: true,
    parseMeta: function (refined) {
      if (Array.isArray(refined.events)) {
        return refined.events;
      }
      return null;
    },
    fetch: function (arg, success) {
      success({
        rawEvents: arg.eventSource.meta,
      });
    },
  };
  var arrayEventSourcePlugin = createPlugin({
    eventSourceDefs: [eventSourceDef$3],
  });

  var eventSourceDef$2 = {
    parseMeta: function (refined) {
      if (typeof refined.events === 'function') {
        return refined.events;
      }
      return null;
    },
    fetch: function (arg, success, failure) {
      var dateEnv = arg.context.dateEnv;
      var func = arg.eventSource.meta;
      unpromisify(
        func.bind(null, buildRangeApiWithTimeZone(arg.range, dateEnv)),
        function (rawEvents) {
          success({ rawEvents: rawEvents }); // needs an object response
        },
        failure,
      );
    },
  };
  var funcEventSourcePlugin = createPlugin({
    eventSourceDefs: [eventSourceDef$2],
  });

  function requestJson(method, url, params, successCallback, failureCallback) {
    method = method.toUpperCase();
    var body = null;
    if (method === 'GET') {
      url = injectQueryStringParams(url, params);
    } else {
      body = encodeParams(params);
    }
    var xhr = new XMLHttpRequest();
    xhr.open(method, url, true);
    if (method !== 'GET') {
      xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    }
    xhr.onload = function () {
      if (xhr.status >= 200 && xhr.status < 400) {
        var parsed = false;
        var res = void 0;
        try {
          res = JSON.parse(xhr.responseText);
          parsed = true;
        } catch (err) {
          // will handle parsed=false
        }
        if (parsed) {
          successCallback(res, xhr);
        } else {
          failureCallback('Failure parsing JSON', xhr);
        }
      } else {
        failureCallback('Request failed', xhr);
      }
    };
    xhr.onerror = function () {
      failureCallback('Request failed', xhr);
    };
    xhr.send(body);
  }
  function injectQueryStringParams(url, params) {
    return url + (url.indexOf('?') === -1 ? '?' : '&') + encodeParams(params);
  }
  function encodeParams(params) {
    var parts = [];
    for (var key in params) {
      parts.push(encodeURIComponent(key) + '=' + encodeURIComponent(params[key]));
    }
    return parts.join('&');
  }

  var JSON_FEED_EVENT_SOURCE_REFINERS = {
    method: String,
    extraParams: identity,
    startParam: String,
    endParam: String,
    timeZoneParam: String,
  };

  var eventSourceDef$1 = {
    parseMeta: function (refined) {
      if (refined.url && (refined.format === 'json' || !refined.format)) {
        return {
          url: refined.url,
          format: 'json',
          method: (refined.method || 'GET').toUpperCase(),
          extraParams: refined.extraParams,
          startParam: refined.startParam,
          endParam: refined.endParam,
          timeZoneParam: refined.timeZoneParam,
        };
      }
      return null;
    },
    fetch: function (arg, success, failure) {
      var meta = arg.eventSource.meta;
      var requestParams = buildRequestParams$1(meta, arg.range, arg.context);
      requestJson(
        meta.method,
        meta.url,
        requestParams,
        function (rawEvents, xhr) {
          success({ rawEvents: rawEvents, xhr: xhr });
        },
        function (errorMessage, xhr) {
          failure({ message: errorMessage, xhr: xhr });
        },
      );
    },
  };
  var jsonFeedEventSourcePlugin = createPlugin({
    eventSourceRefiners: JSON_FEED_EVENT_SOURCE_REFINERS,
    eventSourceDefs: [eventSourceDef$1],
  });
  function buildRequestParams$1(meta, range, context) {
    var dateEnv = context.dateEnv,
      options = context.options;
    var startParam;
    var endParam;
    var timeZoneParam;
    var customRequestParams;
    var params = {};
    startParam = meta.startParam;
    if (startParam == null) {
      startParam = options.startParam;
    }
    endParam = meta.endParam;
    if (endParam == null) {
      endParam = options.endParam;
    }
    timeZoneParam = meta.timeZoneParam;
    if (timeZoneParam == null) {
      timeZoneParam = options.timeZoneParam;
    }
    // retrieve any outbound GET/POST data from the options
    if (typeof meta.extraParams === 'function') {
      // supplied as a function that returns a key/value object
      customRequestParams = meta.extraParams();
    } else {
      // probably supplied as a straight key/value object
      customRequestParams = meta.extraParams || {};
    }
    __assign(params, customRequestParams);
    params[startParam] = dateEnv.formatIso(range.start);
    params[endParam] = dateEnv.formatIso(range.end);
    if (dateEnv.timeZone !== 'local') {
      params[timeZoneParam] = dateEnv.timeZone;
    }
    return params;
  }

  var SIMPLE_RECURRING_REFINERS = {
    daysOfWeek: identity,
    startTime: createDuration,
    endTime: createDuration,
    duration: createDuration,
    startRecur: identity,
    endRecur: identity,
  };

  var recurring = {
    parse: function (refined, dateEnv) {
      if (refined.daysOfWeek || refined.startTime || refined.endTime || refined.startRecur || refined.endRecur) {
        var recurringData = {
          daysOfWeek: refined.daysOfWeek || null,
          startTime: refined.startTime || null,
          endTime: refined.endTime || null,
          startRecur: refined.startRecur ? dateEnv.createMarker(refined.startRecur) : null,
          endRecur: refined.endRecur ? dateEnv.createMarker(refined.endRecur) : null,
        };
        var duration = void 0;
        if (refined.duration) {
          duration = refined.duration;
        }
        if (!duration && refined.startTime && refined.endTime) {
          duration = subtractDurations(refined.endTime, refined.startTime);
        }
        return {
          allDayGuess: Boolean(!refined.startTime && !refined.endTime),
          duration: duration,
          typeData: recurringData, // doesn't need endTime anymore but oh well
        };
      }
      return null;
    },
    expand: function (typeData, framingRange, dateEnv) {
      var clippedFramingRange = intersectRanges(framingRange, { start: typeData.startRecur, end: typeData.endRecur });
      if (clippedFramingRange) {
        return expandRanges(typeData.daysOfWeek, typeData.startTime, clippedFramingRange, dateEnv);
      }
      return [];
    },
  };
  var simpleRecurringEventsPlugin = createPlugin({
    recurringTypes: [recurring],
    eventRefiners: SIMPLE_RECURRING_REFINERS,
  });
  function expandRanges(daysOfWeek, startTime, framingRange, dateEnv) {
    var dowHash = daysOfWeek ? arrayToHash(daysOfWeek) : null;
    var dayMarker = startOfDay(framingRange.start);
    var endMarker = framingRange.end;
    var instanceStarts = [];
    while (dayMarker < endMarker) {
      var instanceStart =
        // if everyday, or this particular day-of-week
        void 0;
      // if everyday, or this particular day-of-week
      if (!dowHash || dowHash[dayMarker.getUTCDay()]) {
        if (startTime) {
          instanceStart = dateEnv.add(dayMarker, startTime);
        } else {
          instanceStart = dayMarker;
        }
        instanceStarts.push(instanceStart);
      }
      dayMarker = addDays(dayMarker, 1);
    }
    return instanceStarts;
  }

  var changeHandlerPlugin = createPlugin({
    optionChangeHandlers: {
      events: function (events, context) {
        handleEventSources([events], context);
      },
      eventSources: handleEventSources,
    },
  });
  /*
    BUG: if `event` was supplied, all previously-given `eventSources` will be wiped out
    */
  function handleEventSources(inputs, context) {
    var unfoundSources = hashValuesToArray(context.getCurrentData().eventSources);
    var newInputs = [];
    for (var _i = 0, inputs_1 = inputs; _i < inputs_1.length; _i++) {
      var input = inputs_1[_i];
      var inputFound = false;
      for (var i = 0; i < unfoundSources.length; i += 1) {
        if (unfoundSources[i]._raw === input) {
          unfoundSources.splice(i, 1); // delete
          inputFound = true;
          break;
        }
      }
      if (!inputFound) {
        newInputs.push(input);
      }
    }
    for (var _a = 0, unfoundSources_1 = unfoundSources; _a < unfoundSources_1.length; _a++) {
      var unfoundSource = unfoundSources_1[_a];
      context.dispatch({
        type: 'REMOVE_EVENT_SOURCE',
        sourceId: unfoundSource.sourceId,
      });
    }
    for (var _b = 0, newInputs_1 = newInputs; _b < newInputs_1.length; _b++) {
      var newInput = newInputs_1[_b];
      context.calendarApi.addEventSource(newInput);
    }
  }

  function handleDateProfile(dateProfile, context) {
    context.emitter.trigger('datesSet', __assign(__assign({}, buildRangeApiWithTimeZone(dateProfile.activeRange, context.dateEnv)), { view: context.viewApi }));
  }

  function handleEventStore(eventStore, context) {
    var emitter = context.emitter;
    if (emitter.hasHandlers('eventsSet')) {
      emitter.trigger('eventsSet', buildEventApis(eventStore, context));
    }
  }

  /*
    this array is exposed on the root namespace so that UMD plugins can add to it.
    see the rollup-bundles script.
    */
  var globalPlugins = [
    arrayEventSourcePlugin,
    funcEventSourcePlugin,
    jsonFeedEventSourcePlugin,
    simpleRecurringEventsPlugin,
    changeHandlerPlugin,
    createPlugin({
      isLoadingFuncs: [
        function (state) {
          return computeEventSourcesLoading(state.eventSources);
        },
      ],
      contentTypeHandlers: {
        html: buildHtmlRenderer,
        domNodes: buildDomNodeRenderer,
      },
      propSetHandlers: {
        dateProfile: handleDateProfile,
        eventStore: handleEventStore,
      },
    }),
  ];
  function buildHtmlRenderer() {
    var currentEl = null;
    var currentHtml = '';
    function render(el, html) {
      if (el !== currentEl || html !== currentHtml) {
        el.innerHTML = html;
      }
      currentEl = el;
      currentHtml = html;
    }
    function destroy() {
      currentEl.innerHTML = '';
      currentEl = null;
      currentHtml = '';
    }
    return { render: render, destroy: destroy };
  }
  function buildDomNodeRenderer() {
    var currentEl = null;
    var currentDomNodes = [];
    function render(el, domNodes) {
      var newDomNodes = Array.prototype.slice.call(domNodes);
      if (el !== currentEl || !isArraysEqual(currentDomNodes, newDomNodes)) {
        // append first, remove second (for scroll resetting)
        for (var _i = 0, newDomNodes_1 = newDomNodes; _i < newDomNodes_1.length; _i++) {
          var newNode = newDomNodes_1[_i];
          el.appendChild(newNode);
        }
        destroy();
      }
      currentEl = el;
      currentDomNodes = newDomNodes;
    }
    function destroy() {
      currentDomNodes.forEach(removeElement);
      currentDomNodes = [];
      currentEl = null;
    }
    return { render: render, destroy: destroy };
  }

  var DelayedRunner = /** @class */ (function () {
    function DelayedRunner(drainedOption) {
      this.drainedOption = drainedOption;
      this.isRunning = false;
      this.isDirty = false;
      this.pauseDepths = {};
      this.timeoutId = 0;
    }
    DelayedRunner.prototype.request = function (delay) {
      this.isDirty = true;
      if (!this.isPaused()) {
        this.clearTimeout();
        if (delay == null) {
          this.tryDrain();
        } else {
          this.timeoutId = setTimeout(
            // NOT OPTIMAL! TODO: look at debounce
            this.tryDrain.bind(this),
            delay,
          );
        }
      }
    };
    DelayedRunner.prototype.pause = function (scope) {
      if (scope === void 0) {
        scope = '';
      }
      var pauseDepths = this.pauseDepths;
      pauseDepths[scope] = (pauseDepths[scope] || 0) + 1;
      this.clearTimeout();
    };
    DelayedRunner.prototype.resume = function (scope, force) {
      if (scope === void 0) {
        scope = '';
      }
      var pauseDepths = this.pauseDepths;
      if (scope in pauseDepths) {
        if (force) {
          delete pauseDepths[scope];
        } else {
          pauseDepths[scope] -= 1;
          var depth = pauseDepths[scope];
          if (depth <= 0) {
            delete pauseDepths[scope];
          }
        }
        this.tryDrain();
      }
    };
    DelayedRunner.prototype.isPaused = function () {
      return Object.keys(this.pauseDepths).length;
    };
    DelayedRunner.prototype.tryDrain = function () {
      if (!this.isRunning && !this.isPaused()) {
        this.isRunning = true;
        while (this.isDirty) {
          this.isDirty = false;
          this.drained(); // might set isDirty to true again
        }
        this.isRunning = false;
      }
    };
    DelayedRunner.prototype.clear = function () {
      this.clearTimeout();
      this.isDirty = false;
      this.pauseDepths = {};
    };
    DelayedRunner.prototype.clearTimeout = function () {
      if (this.timeoutId) {
        clearTimeout(this.timeoutId);
        this.timeoutId = 0;
      }
    };
    DelayedRunner.prototype.drained = function () {
      if (this.drainedOption) {
        this.drainedOption();
      }
    };
    return DelayedRunner;
  })();

  var TaskRunner = /** @class */ (function () {
    function TaskRunner(runTaskOption, drainedOption) {
      this.runTaskOption = runTaskOption;
      this.drainedOption = drainedOption;
      this.queue = [];
      this.delayedRunner = new DelayedRunner(this.drain.bind(this));
    }
    TaskRunner.prototype.request = function (task, delay) {
      this.queue.push(task);
      this.delayedRunner.request(delay);
    };
    TaskRunner.prototype.pause = function (scope) {
      this.delayedRunner.pause(scope);
    };
    TaskRunner.prototype.resume = function (scope, force) {
      this.delayedRunner.resume(scope, force);
    };
    TaskRunner.prototype.drain = function () {
      var queue = this.queue;
      while (queue.length) {
        var completedTasks = [];
        var task = void 0;
        while ((task = queue.shift())) {
          this.runTask(task);
          completedTasks.push(task);
        }
        this.drained(completedTasks);
      } // keep going, in case new tasks were added in the drained handler
    };
    TaskRunner.prototype.runTask = function (task) {
      if (this.runTaskOption) {
        this.runTaskOption(task);
      }
    };
    TaskRunner.prototype.drained = function (completedTasks) {
      if (this.drainedOption) {
        this.drainedOption(completedTasks);
      }
    };
    return TaskRunner;
  })();

  // Computes what the title at the top of the calendarApi should be for this view
  function buildTitle(dateProfile, viewOptions, dateEnv) {
    var range;
    // for views that span a large unit of time, show the proper interval, ignoring stray days before and after
    if (/^(year|month)$/.test(dateProfile.currentRangeUnit)) {
      range = dateProfile.currentRange;
    } else {
      // for day units or smaller, use the actual day range
      range = dateProfile.activeRange;
    }
    return dateEnv.formatRange(range.start, range.end, createFormatter(viewOptions.titleFormat || buildTitleFormat(dateProfile)), {
      isEndExclusive: dateProfile.isRangeAllDay,
      defaultSeparator: viewOptions.titleRangeSeparator,
    });
  }
  // Generates the format string that should be used to generate the title for the current date range.
  // Attempts to compute the most appropriate format if not explicitly specified with `titleFormat`.
  function buildTitleFormat(dateProfile) {
    var currentRangeUnit = dateProfile.currentRangeUnit;
    if (currentRangeUnit === 'year') {
      return { year: 'numeric' };
    }
    if (currentRangeUnit === 'month') {
      return { year: 'numeric', month: 'long' }; // like "September 2014"
    }
    var days = diffWholeDays(dateProfile.currentRange.start, dateProfile.currentRange.end);
    if (days !== null && days > 1) {
      // multi-day range. shorter, like "Sep 9 - 10 2014"
      return { year: 'numeric', month: 'short', day: 'numeric' };
    }
    // one day. longer, like "September 9 2014"
    return { year: 'numeric', month: 'long', day: 'numeric' };
  }

  // in future refactor, do the redux-style function(state=initial) for initial-state
  // also, whatever is happening in constructor, have it happen in action queue too
  var CalendarDataManager = /** @class */ (function () {
    function CalendarDataManager(props) {
      var _this = this;
      this.computeOptionsData = memoize(this._computeOptionsData);
      this.computeCurrentViewData = memoize(this._computeCurrentViewData);
      this.organizeRawLocales = memoize(organizeRawLocales);
      this.buildLocale = memoize(buildLocale);
      this.buildPluginHooks = buildBuildPluginHooks();
      this.buildDateEnv = memoize(buildDateEnv);
      this.buildTheme = memoize(buildTheme);
      this.parseToolbars = memoize(parseToolbars);
      this.buildViewSpecs = memoize(buildViewSpecs);
      this.buildDateProfileGenerator = memoizeObjArg(buildDateProfileGenerator);
      this.buildViewApi = memoize(buildViewApi);
      this.buildViewUiProps = memoizeObjArg(buildViewUiProps);
      this.buildEventUiBySource = memoize(buildEventUiBySource, isPropsEqual);
      this.buildEventUiBases = memoize(buildEventUiBases);
      this.parseContextBusinessHours = memoizeObjArg(parseContextBusinessHours);
      this.buildTitle = memoize(buildTitle);
      this.emitter = new Emitter();
      this.actionRunner = new TaskRunner(this._handleAction.bind(this), this.updateData.bind(this));
      this.currentCalendarOptionsInput = {};
      this.currentCalendarOptionsRefined = {};
      this.currentViewOptionsInput = {};
      this.currentViewOptionsRefined = {};
      this.currentCalendarOptionsRefiners = {};
      this.getCurrentData = function () {
        return _this.data;
      };
      this.dispatch = function (action) {
        _this.actionRunner.request(action); // protects against recursive calls to _handleAction
      };
      this.props = props;
      this.actionRunner.pause();
      var dynamicOptionOverrides = {};
      var optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi);
      var currentViewType = optionsData.calendarOptions.initialView || optionsData.pluginHooks.initialView;
      var currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides);
      // wire things up
      // TODO: not DRY
      props.calendarApi.currentDataManager = this;
      this.emitter.setThisContext(props.calendarApi);
      this.emitter.setOptions(currentViewData.options);
      var currentDate = getInitialDate(optionsData.calendarOptions, optionsData.dateEnv);
      var dateProfile = currentViewData.dateProfileGenerator.build(currentDate);
      if (!rangeContainsMarker(dateProfile.activeRange, currentDate)) {
        currentDate = dateProfile.currentRange.start;
      }
      var calendarContext = {
        dateEnv: optionsData.dateEnv,
        options: optionsData.calendarOptions,
        pluginHooks: optionsData.pluginHooks,
        calendarApi: props.calendarApi,
        dispatch: this.dispatch,
        emitter: this.emitter,
        getCurrentData: this.getCurrentData,
      };
      // needs to be after setThisContext
      for (var _i = 0, _a = optionsData.pluginHooks.contextInit; _i < _a.length; _i++) {
        var callback = _a[_i];
        callback(calendarContext);
      }
      // NOT DRY
      var eventSources = initEventSources(optionsData.calendarOptions, dateProfile, calendarContext);
      var initialState = {
        dynamicOptionOverrides: dynamicOptionOverrides,
        currentViewType: currentViewType,
        currentDate: currentDate,
        dateProfile: dateProfile,
        businessHours: this.parseContextBusinessHours(calendarContext),
        eventSources: eventSources,
        eventUiBases: {},
        eventStore: createEmptyEventStore(),
        renderableEventStore: createEmptyEventStore(),
        dateSelection: null,
        eventSelection: '',
        eventDrag: null,
        eventResize: null,
        selectionConfig: this.buildViewUiProps(calendarContext).selectionConfig,
      };
      var contextAndState = __assign(__assign({}, calendarContext), initialState);
      for (var _b = 0, _c = optionsData.pluginHooks.reducers; _b < _c.length; _b++) {
        var reducer = _c[_b];
        __assign(initialState, reducer(null, null, contextAndState));
      }
      if (computeIsLoading(initialState, calendarContext)) {
        this.emitter.trigger('loading', true); // NOT DRY
      }
      this.state = initialState;
      this.updateData();
      this.actionRunner.resume();
    }
    CalendarDataManager.prototype.resetOptions = function (optionOverrides, append) {
      var props = this.props;
      props.optionOverrides = append ? __assign(__assign({}, props.optionOverrides), optionOverrides) : optionOverrides;
      this.actionRunner.request({
        type: 'NOTHING',
      });
    };
    CalendarDataManager.prototype._handleAction = function (action) {
      var _a = this,
        props = _a.props,
        state = _a.state,
        emitter = _a.emitter;
      var dynamicOptionOverrides = reduceDynamicOptionOverrides(state.dynamicOptionOverrides, action);
      var optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi);
      var currentViewType = reduceViewType(state.currentViewType, action);
      var currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides);
      // wire things up
      // TODO: not DRY
      props.calendarApi.currentDataManager = this;
      emitter.setThisContext(props.calendarApi);
      emitter.setOptions(currentViewData.options);
      var calendarContext = {
        dateEnv: optionsData.dateEnv,
        options: optionsData.calendarOptions,
        pluginHooks: optionsData.pluginHooks,
        calendarApi: props.calendarApi,
        dispatch: this.dispatch,
        emitter: emitter,
        getCurrentData: this.getCurrentData,
      };
      var currentDate = state.currentDate,
        dateProfile = state.dateProfile;
      if (this.data && this.data.dateProfileGenerator !== currentViewData.dateProfileGenerator) {
        // hack
        dateProfile = currentViewData.dateProfileGenerator.build(currentDate);
      }
      currentDate = reduceCurrentDate(currentDate, action);
      dateProfile = reduceDateProfile(dateProfile, action, currentDate, currentViewData.dateProfileGenerator);
      if (
        action.type === 'PREV' || // TODO: move this logic into DateProfileGenerator
        action.type === 'NEXT' || // "
        !rangeContainsMarker(dateProfile.currentRange, currentDate)
      ) {
        currentDate = dateProfile.currentRange.start;
      }
      var eventSources = reduceEventSources(state.eventSources, action, dateProfile, calendarContext);
      var eventStore = reduceEventStore(state.eventStore, action, eventSources, dateProfile, calendarContext);
      var isEventsLoading = computeEventSourcesLoading(eventSources); // BAD. also called in this func in computeIsLoading
      var renderableEventStore =
        isEventsLoading && !currentViewData.options.progressiveEventRendering
          ? state.renderableEventStore || eventStore // try from previous state
          : eventStore;
      var _b = this.buildViewUiProps(calendarContext),
        eventUiSingleBase = _b.eventUiSingleBase,
        selectionConfig = _b.selectionConfig; // will memoize obj
      var eventUiBySource = this.buildEventUiBySource(eventSources);
      var eventUiBases = this.buildEventUiBases(renderableEventStore.defs, eventUiSingleBase, eventUiBySource);
      var newState = {
        dynamicOptionOverrides: dynamicOptionOverrides,
        currentViewType: currentViewType,
        currentDate: currentDate,
        dateProfile: dateProfile,
        eventSources: eventSources,
        eventStore: eventStore,
        renderableEventStore: renderableEventStore,
        selectionConfig: selectionConfig,
        eventUiBases: eventUiBases,
        businessHours: this.parseContextBusinessHours(calendarContext),
        dateSelection: reduceDateSelection(state.dateSelection, action),
        eventSelection: reduceSelectedEvent(state.eventSelection, action),
        eventDrag: reduceEventDrag(state.eventDrag, action),
        eventResize: reduceEventResize(state.eventResize, action),
      };
      var contextAndState = __assign(__assign({}, calendarContext), newState);
      for (var _i = 0, _c = optionsData.pluginHooks.reducers; _i < _c.length; _i++) {
        var reducer = _c[_i];
        __assign(newState, reducer(state, action, contextAndState)); // give the OLD state, for old value
      }
      var wasLoading = computeIsLoading(state, calendarContext);
      var isLoading = computeIsLoading(newState, calendarContext);
      // TODO: use propSetHandlers in plugin system
      if (!wasLoading && isLoading) {
        emitter.trigger('loading', true);
      } else if (wasLoading && !isLoading) {
        emitter.trigger('loading', false);
      }
      this.state = newState;
      if (props.onAction) {
        props.onAction(action);
      }
    };
    CalendarDataManager.prototype.updateData = function () {
      var _a = this,
        props = _a.props,
        state = _a.state;
      var oldData = this.data;
      var optionsData = this.computeOptionsData(props.optionOverrides, state.dynamicOptionOverrides, props.calendarApi);
      var currentViewData = this.computeCurrentViewData(state.currentViewType, optionsData, props.optionOverrides, state.dynamicOptionOverrides);
      var data = (this.data = __assign(
        __assign(
          __assign(
            {
              viewTitle: this.buildTitle(state.dateProfile, currentViewData.options, optionsData.dateEnv),
              calendarApi: props.calendarApi,
              dispatch: this.dispatch,
              emitter: this.emitter,
              getCurrentData: this.getCurrentData,
            },
            optionsData,
          ),
          currentViewData,
        ),
        state,
      ));
      var changeHandlers = optionsData.pluginHooks.optionChangeHandlers;
      var oldCalendarOptions = oldData && oldData.calendarOptions;
      var newCalendarOptions = optionsData.calendarOptions;
      if (oldCalendarOptions && oldCalendarOptions !== newCalendarOptions) {
        if (oldCalendarOptions.timeZone !== newCalendarOptions.timeZone) {
          // hack
          state.eventSources = data.eventSources = reduceEventSourcesNewTimeZone(data.eventSources, state.dateProfile, data);
          state.eventStore = data.eventStore = rezoneEventStoreDates(data.eventStore, oldData.dateEnv, data.dateEnv);
        }
        for (var optionName in changeHandlers) {
          if (oldCalendarOptions[optionName] !== newCalendarOptions[optionName]) {
            changeHandlers[optionName](newCalendarOptions[optionName], data);
          }
        }
      }
      if (props.onData) {
        props.onData(data);
      }
    };
    CalendarDataManager.prototype._computeOptionsData = function (optionOverrides, dynamicOptionOverrides, calendarApi) {
      // TODO: blacklist options that are handled by optionChangeHandlers
      var _a = this.processRawCalendarOptions(optionOverrides, dynamicOptionOverrides),
        refinedOptions = _a.refinedOptions,
        pluginHooks = _a.pluginHooks,
        localeDefaults = _a.localeDefaults,
        availableLocaleData = _a.availableLocaleData,
        extra = _a.extra;
      warnUnknownOptions(extra);
      var dateEnv = this.buildDateEnv(
        refinedOptions.timeZone,
        refinedOptions.locale,
        refinedOptions.weekNumberCalculation,
        refinedOptions.firstDay,
        refinedOptions.weekText,
        pluginHooks,
        availableLocaleData,
        refinedOptions.defaultRangeSeparator,
      );
      var viewSpecs = this.buildViewSpecs(pluginHooks.views, optionOverrides, dynamicOptionOverrides, localeDefaults);
      var theme = this.buildTheme(refinedOptions, pluginHooks);
      var toolbarConfig = this.parseToolbars(refinedOptions, optionOverrides, theme, viewSpecs, calendarApi);
      return {
        calendarOptions: refinedOptions,
        pluginHooks: pluginHooks,
        dateEnv: dateEnv,
        viewSpecs: viewSpecs,
        theme: theme,
        toolbarConfig: toolbarConfig,
        localeDefaults: localeDefaults,
        availableRawLocales: availableLocaleData.map,
      };
    };
    // always called from behind a memoizer
    CalendarDataManager.prototype.processRawCalendarOptions = function (optionOverrides, dynamicOptionOverrides) {
      var _a = mergeRawOptions([BASE_OPTION_DEFAULTS, optionOverrides, dynamicOptionOverrides]),
        locales = _a.locales,
        locale = _a.locale;
      var availableLocaleData = this.organizeRawLocales(locales);
      var availableRawLocales = availableLocaleData.map;
      var localeDefaults = this.buildLocale(locale || availableLocaleData.defaultCode, availableRawLocales).options;
      var pluginHooks = this.buildPluginHooks(optionOverrides.plugins || [], globalPlugins);
      var refiners = (this.currentCalendarOptionsRefiners = __assign(
        __assign(__assign(__assign(__assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), pluginHooks.listenerRefiners),
        pluginHooks.optionRefiners,
      ));
      var extra = {};
      var raw = mergeRawOptions([BASE_OPTION_DEFAULTS, localeDefaults, optionOverrides, dynamicOptionOverrides]);
      var refined = {};
      var currentRaw = this.currentCalendarOptionsInput;
      var currentRefined = this.currentCalendarOptionsRefined;
      var anyChanges = false;
      for (var optionName in raw) {
        if (optionName !== 'plugins') {
          // because plugins is special-cased
          if (
            raw[optionName] === currentRaw[optionName] ||
            (COMPLEX_OPTION_COMPARATORS[optionName] && optionName in currentRaw && COMPLEX_OPTION_COMPARATORS[optionName](currentRaw[optionName], raw[optionName]))
          ) {
            refined[optionName] = currentRefined[optionName];
          } else if (refiners[optionName]) {
            refined[optionName] = refiners[optionName](raw[optionName]);
            anyChanges = true;
          } else {
            extra[optionName] = currentRaw[optionName];
          }
        }
      }
      if (anyChanges) {
        this.currentCalendarOptionsInput = raw;
        this.currentCalendarOptionsRefined = refined;
      }
      return {
        rawOptions: this.currentCalendarOptionsInput,
        refinedOptions: this.currentCalendarOptionsRefined,
        pluginHooks: pluginHooks,
        availableLocaleData: availableLocaleData,
        localeDefaults: localeDefaults,
        extra: extra,
      };
    };
    CalendarDataManager.prototype._computeCurrentViewData = function (viewType, optionsData, optionOverrides, dynamicOptionOverrides) {
      var viewSpec = optionsData.viewSpecs[viewType];
      if (!viewSpec) {
        throw new Error('viewType "' + viewType + '" is not available. Please make sure you\'ve loaded all neccessary plugins');
      }
      var _a = this.processRawViewOptions(viewSpec, optionsData.pluginHooks, optionsData.localeDefaults, optionOverrides, dynamicOptionOverrides),
        refinedOptions = _a.refinedOptions,
        extra = _a.extra;
      warnUnknownOptions(extra);
      var dateProfileGenerator = this.buildDateProfileGenerator({
        dateProfileGeneratorClass: viewSpec.optionDefaults.dateProfileGeneratorClass,
        duration: viewSpec.duration,
        durationUnit: viewSpec.durationUnit,
        usesMinMaxTime: viewSpec.optionDefaults.usesMinMaxTime,
        dateEnv: optionsData.dateEnv,
        calendarApi: this.props.calendarApi,
        slotMinTime: refinedOptions.slotMinTime,
        slotMaxTime: refinedOptions.slotMaxTime,
        showNonCurrentDates: refinedOptions.showNonCurrentDates,
        dayCount: refinedOptions.dayCount,
        dateAlignment: refinedOptions.dateAlignment,
        dateIncrement: refinedOptions.dateIncrement,
        hiddenDays: refinedOptions.hiddenDays,
        weekends: refinedOptions.weekends,
        nowInput: refinedOptions.now,
        validRangeInput: refinedOptions.validRange,
        visibleRangeInput: refinedOptions.visibleRange,
        monthMode: refinedOptions.monthMode,
        fixedWeekCount: refinedOptions.fixedWeekCount,
      });
      var viewApi = this.buildViewApi(viewType, this.getCurrentData, optionsData.dateEnv);
      return { viewSpec: viewSpec, options: refinedOptions, dateProfileGenerator: dateProfileGenerator, viewApi: viewApi };
    };
    CalendarDataManager.prototype.processRawViewOptions = function (viewSpec, pluginHooks, localeDefaults, optionOverrides, dynamicOptionOverrides) {
      var raw = mergeRawOptions([BASE_OPTION_DEFAULTS, viewSpec.optionDefaults, localeDefaults, optionOverrides, viewSpec.optionOverrides, dynamicOptionOverrides]);
      var refiners = __assign(
        __assign(__assign(__assign(__assign(__assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), VIEW_OPTION_REFINERS), pluginHooks.listenerRefiners),
        pluginHooks.optionRefiners,
      );
      var refined = {};
      var currentRaw = this.currentViewOptionsInput;
      var currentRefined = this.currentViewOptionsRefined;
      var anyChanges = false;
      var extra = {};
      for (var optionName in raw) {
        if (raw[optionName] === currentRaw[optionName] || (COMPLEX_OPTION_COMPARATORS[optionName] && COMPLEX_OPTION_COMPARATORS[optionName](raw[optionName], currentRaw[optionName]))) {
          refined[optionName] = currentRefined[optionName];
        } else {
          if (
            raw[optionName] === this.currentCalendarOptionsInput[optionName] ||
            (COMPLEX_OPTION_COMPARATORS[optionName] && COMPLEX_OPTION_COMPARATORS[optionName](raw[optionName], this.currentCalendarOptionsInput[optionName]))
          ) {
            if (optionName in this.currentCalendarOptionsRefined) {
              // might be an "extra" prop
              refined[optionName] = this.currentCalendarOptionsRefined[optionName];
            }
          } else if (refiners[optionName]) {
            refined[optionName] = refiners[optionName](raw[optionName]);
          } else {
            extra[optionName] = raw[optionName];
          }
          anyChanges = true;
        }
      }
      if (anyChanges) {
        this.currentViewOptionsInput = raw;
        this.currentViewOptionsRefined = refined;
      }
      return {
        rawOptions: this.currentViewOptionsInput,
        refinedOptions: this.currentViewOptionsRefined,
        extra: extra,
      };
    };
    return CalendarDataManager;
  })();
  function buildDateEnv(timeZone, explicitLocale, weekNumberCalculation, firstDay, weekText, pluginHooks, availableLocaleData, defaultSeparator) {
    var locale = buildLocale(explicitLocale || availableLocaleData.defaultCode, availableLocaleData.map);
    return new DateEnv({
      calendarSystem: 'gregory',
      timeZone: timeZone,
      namedTimeZoneImpl: pluginHooks.namedTimeZonedImpl,
      locale: locale,
      weekNumberCalculation: weekNumberCalculation,
      firstDay: firstDay,
      weekText: weekText,
      cmdFormatter: pluginHooks.cmdFormatter,
      defaultSeparator: defaultSeparator,
    });
  }
  function buildTheme(options, pluginHooks) {
    var ThemeClass = pluginHooks.themeClasses[options.themeSystem] || StandardTheme;
    return new ThemeClass(options);
  }
  function buildDateProfileGenerator(props) {
    var DateProfileGeneratorClass = props.dateProfileGeneratorClass || DateProfileGenerator;
    return new DateProfileGeneratorClass(props);
  }
  function buildViewApi(type, getCurrentData, dateEnv) {
    return new ViewApi(type, getCurrentData, dateEnv);
  }
  function buildEventUiBySource(eventSources) {
    return mapHash(eventSources, function (eventSource) {
      return eventSource.ui;
    });
  }
  function buildEventUiBases(eventDefs, eventUiSingleBase, eventUiBySource) {
    var eventUiBases = { '': eventUiSingleBase };
    for (var defId in eventDefs) {
      var def = eventDefs[defId];
      if (def.sourceId && eventUiBySource[def.sourceId]) {
        eventUiBases[defId] = eventUiBySource[def.sourceId];
      }
    }
    return eventUiBases;
  }
  function buildViewUiProps(calendarContext) {
    var options = calendarContext.options;
    return {
      eventUiSingleBase: createEventUi(
        {
          display: options.eventDisplay,
          editable: options.editable,
          startEditable: options.eventStartEditable,
          durationEditable: options.eventDurationEditable,
          constraint: options.eventConstraint,
          overlap: typeof options.eventOverlap === 'boolean' ? options.eventOverlap : undefined,
          allow: options.eventAllow,
          backgroundColor: options.eventBackgroundColor,
          borderColor: options.eventBorderColor,
          textColor: options.eventTextColor,
          color: options.eventColor,
          // classNames: options.eventClassNames // render hook will handle this
        },
        calendarContext,
      ),
      selectionConfig: createEventUi(
        {
          constraint: options.selectConstraint,
          overlap: typeof options.selectOverlap === 'boolean' ? options.selectOverlap : undefined,
          allow: options.selectAllow,
        },
        calendarContext,
      ),
    };
  }
  function computeIsLoading(state, context) {
    for (var _i = 0, _a = context.pluginHooks.isLoadingFuncs; _i < _a.length; _i++) {
      var isLoadingFunc = _a[_i];
      if (isLoadingFunc(state)) {
        return true;
      }
    }
    return false;
  }
  function parseContextBusinessHours(calendarContext) {
    return parseBusinessHours(calendarContext.options.businessHours, calendarContext);
  }
  function warnUnknownOptions(options, viewName) {
    for (var optionName in options) {
      console.warn("Unknown option '" + optionName + "'" + (viewName ? " for view '" + viewName + "'" : ''));
    }
  }

  // TODO: move this to react plugin?
  var CalendarDataProvider = /** @class */ (function (_super) {
    __extends(CalendarDataProvider, _super);
    function CalendarDataProvider(props) {
      var _this = _super.call(this, props) || this;
      _this.handleData = function (data) {
        if (!_this.dataManager) {
          // still within initial run, before assignment in constructor
          // eslint-disable-next-line react/no-direct-mutation-state
          _this.state = data; // can't use setState yet
        } else {
          _this.setState(data);
        }
      };
      _this.dataManager = new CalendarDataManager({
        optionOverrides: props.optionOverrides,
        calendarApi: props.calendarApi,
        onData: _this.handleData,
      });
      return _this;
    }
    CalendarDataProvider.prototype.render = function () {
      return this.props.children(this.state);
    };
    CalendarDataProvider.prototype.componentDidUpdate = function (prevProps) {
      var newOptionOverrides = this.props.optionOverrides;
      if (newOptionOverrides !== prevProps.optionOverrides) {
        // prevent recursive handleData
        this.dataManager.resetOptions(newOptionOverrides);
      }
    };
    return CalendarDataProvider;
  })(Component);

  // HELPERS
  /*
    if nextDayThreshold is specified, slicing is done in an all-day fashion.
    you can get nextDayThreshold from context.nextDayThreshold
    */
  function sliceEvents(props, allDay) {
    return sliceEventStore(props.eventStore, props.eventUiBases, props.dateProfile.activeRange, allDay ? props.nextDayThreshold : null).fg;
  }

  var NamedTimeZoneImpl = /** @class */ (function () {
    function NamedTimeZoneImpl(timeZoneName) {
      this.timeZoneName = timeZoneName;
    }
    return NamedTimeZoneImpl;
  })();

  var SegHierarchy = /** @class */ (function () {
    function SegHierarchy() {
      // settings
      this.strictOrder = false;
      this.allowReslicing = false;
      this.maxCoord = -1; // -1 means no max
      this.maxStackCnt = -1; // -1 means no max
      this.levelCoords = []; // ordered
      this.entriesByLevel = []; // parallel with levelCoords
      this.stackCnts = {}; // TODO: use better technique!?
    }
    SegHierarchy.prototype.addSegs = function (inputs) {
      var hiddenEntries = [];
      for (var _i = 0, inputs_1 = inputs; _i < inputs_1.length; _i++) {
        var input = inputs_1[_i];
        this.insertEntry(input, hiddenEntries);
      }
      return hiddenEntries;
    };
    SegHierarchy.prototype.insertEntry = function (entry, hiddenEntries) {
      var insertion = this.findInsertion(entry);
      if (this.isInsertionValid(insertion, entry)) {
        this.insertEntryAt(entry, insertion);
        return 1;
      }
      return this.handleInvalidInsertion(insertion, entry, hiddenEntries);
    };
    SegHierarchy.prototype.isInsertionValid = function (insertion, entry) {
      return (this.maxCoord === -1 || insertion.levelCoord + entry.thickness <= this.maxCoord) && (this.maxStackCnt === -1 || insertion.stackCnt < this.maxStackCnt);
    };
    // returns number of new entries inserted
    SegHierarchy.prototype.handleInvalidInsertion = function (insertion, entry, hiddenEntries) {
      if (this.allowReslicing && insertion.touchingEntry) {
        return this.splitEntry(entry, insertion.touchingEntry, hiddenEntries);
      }
      hiddenEntries.push(entry);
      return 0;
    };
    SegHierarchy.prototype.splitEntry = function (entry, barrier, hiddenEntries) {
      var partCnt = 0;
      var splitHiddenEntries = [];
      var entrySpan = entry.span;
      var barrierSpan = barrier.span;
      if (entrySpan.start < barrierSpan.start) {
        partCnt += this.insertEntry(
          {
            index: entry.index,
            thickness: entry.thickness,
            span: { start: entrySpan.start, end: barrierSpan.start },
          },
          splitHiddenEntries,
        );
      }
      if (entrySpan.end > barrierSpan.end) {
        partCnt += this.insertEntry(
          {
            index: entry.index,
            thickness: entry.thickness,
            span: { start: barrierSpan.end, end: entrySpan.end },
          },
          splitHiddenEntries,
        );
      }
      if (partCnt) {
        hiddenEntries.push.apply(
          hiddenEntries,
          __spreadArray(
            [
              {
                index: entry.index,
                thickness: entry.thickness,
                span: intersectSpans(barrierSpan, entrySpan), // guaranteed to intersect
              },
            ],
            splitHiddenEntries,
          ),
        );
        return partCnt;
      }
      hiddenEntries.push(entry);
      return 0;
    };
    SegHierarchy.prototype.insertEntryAt = function (entry, insertion) {
      var _a = this,
        entriesByLevel = _a.entriesByLevel,
        levelCoords = _a.levelCoords;
      if (insertion.lateral === -1) {
        // create a new level
        insertAt(levelCoords, insertion.level, insertion.levelCoord);
        insertAt(entriesByLevel, insertion.level, [entry]);
      } else {
        // insert into existing level
        insertAt(entriesByLevel[insertion.level], insertion.lateral, entry);
      }
      this.stackCnts[buildEntryKey(entry)] = insertion.stackCnt;
    };
    SegHierarchy.prototype.findInsertion = function (newEntry) {
      var _a = this,
        levelCoords = _a.levelCoords,
        entriesByLevel = _a.entriesByLevel,
        strictOrder = _a.strictOrder,
        stackCnts = _a.stackCnts;
      var levelCnt = levelCoords.length;
      var candidateCoord = 0;
      var touchingLevel = -1;
      var touchingLateral = -1;
      var touchingEntry = null;
      var stackCnt = 0;
      for (var trackingLevel = 0; trackingLevel < levelCnt; trackingLevel += 1) {
        var trackingCoord = levelCoords[trackingLevel];
        // if the current level is past the placed entry, we have found a good empty space and can stop.
        // if strictOrder, keep finding more lateral intersections.
        if (!strictOrder && trackingCoord >= candidateCoord + newEntry.thickness) {
          break;
        }
        var trackingEntries = entriesByLevel[trackingLevel];
        var trackingEntry = void 0;
        var searchRes = binarySearch(trackingEntries, newEntry.span.start, getEntrySpanEnd); // find first entry after newEntry's end
        var lateralIndex = searchRes[0] + searchRes[1]; // if exact match (which doesn't collide), go to next one
        while (
          // loop through entries that horizontally intersect
          (trackingEntry = trackingEntries[lateralIndex]) && // but not past the whole entry list
          trackingEntry.span.start < newEntry.span.end // and not entirely past newEntry
        ) {
          var trackingEntryBottom = trackingCoord + trackingEntry.thickness;
          // intersects into the top of the candidate?
          if (trackingEntryBottom > candidateCoord) {
            candidateCoord = trackingEntryBottom;
            touchingEntry = trackingEntry;
            touchingLevel = trackingLevel;
            touchingLateral = lateralIndex;
          }
          // butts up against top of candidate? (will happen if just intersected as well)
          if (trackingEntryBottom === candidateCoord) {
            // accumulate the highest possible stackCnt of the trackingEntries that butt up
            stackCnt = Math.max(stackCnt, stackCnts[buildEntryKey(trackingEntry)] + 1);
          }
          lateralIndex += 1;
        }
      }
      // the destination level will be after touchingEntry's level. find it
      var destLevel = 0;
      if (touchingEntry) {
        destLevel = touchingLevel + 1;
        while (destLevel < levelCnt && levelCoords[destLevel] < candidateCoord) {
          destLevel += 1;
        }
      }
      // if adding to an existing level, find where to insert
      var destLateral = -1;
      if (destLevel < levelCnt && levelCoords[destLevel] === candidateCoord) {
        destLateral = binarySearch(entriesByLevel[destLevel], newEntry.span.end, getEntrySpanEnd)[0];
      }
      return {
        touchingLevel: touchingLevel,
        touchingLateral: touchingLateral,
        touchingEntry: touchingEntry,
        stackCnt: stackCnt,
        levelCoord: candidateCoord,
        level: destLevel,
        lateral: destLateral,
      };
    };
    // sorted by levelCoord (lowest to highest)
    SegHierarchy.prototype.toRects = function () {
      var _a = this,
        entriesByLevel = _a.entriesByLevel,
        levelCoords = _a.levelCoords;
      var levelCnt = entriesByLevel.length;
      var rects = [];
      for (var level = 0; level < levelCnt; level += 1) {
        var entries = entriesByLevel[level];
        var levelCoord = levelCoords[level];
        for (var _i = 0, entries_1 = entries; _i < entries_1.length; _i++) {
          var entry = entries_1[_i];
          rects.push(__assign(__assign({}, entry), { levelCoord: levelCoord }));
        }
      }
      return rects;
    };
    return SegHierarchy;
  })();
  function getEntrySpanEnd(entry) {
    return entry.span.end;
  }
  function buildEntryKey(entry) {
    return entry.index + ':' + entry.span.start;
  }
  // returns groups with entries sorted by input order
  function groupIntersectingEntries(entries) {
    var merges = [];
    for (var _i = 0, entries_2 = entries; _i < entries_2.length; _i++) {
      var entry = entries_2[_i];
      var filteredMerges = [];
      var hungryMerge = {
        span: entry.span,
        entries: [entry],
      };
      for (var _a = 0, merges_1 = merges; _a < merges_1.length; _a++) {
        var merge = merges_1[_a];
        if (intersectSpans(merge.span, hungryMerge.span)) {
          hungryMerge = {
            entries: merge.entries.concat(hungryMerge.entries),
            span: joinSpans(merge.span, hungryMerge.span),
          };
        } else {
          filteredMerges.push(merge);
        }
      }
      filteredMerges.push(hungryMerge);
      merges = filteredMerges;
    }
    return merges;
  }
  function joinSpans(span0, span1) {
    return {
      start: Math.min(span0.start, span1.start),
      end: Math.max(span0.end, span1.end),
    };
  }
  function intersectSpans(span0, span1) {
    var start = Math.max(span0.start, span1.start);
    var end = Math.min(span0.end, span1.end);
    if (start < end) {
      return { start: start, end: end };
    }
    return null;
  }
  // general util
  // ---------------------------------------------------------------------------------------------------------------------
  function insertAt(arr, index, item) {
    arr.splice(index, 0, item);
  }
  function binarySearch(a, searchVal, getItemVal) {
    var startIndex = 0;
    var endIndex = a.length; // exclusive
    if (!endIndex || searchVal < getItemVal(a[startIndex])) {
      // no items OR before first item
      return [0, 0];
    }
    if (searchVal > getItemVal(a[endIndex - 1])) {
      // after last item
      return [endIndex, 0];
    }
    while (startIndex < endIndex) {
      var middleIndex = Math.floor(startIndex + (endIndex - startIndex) / 2);
      var middleVal = getItemVal(a[middleIndex]);
      if (searchVal < middleVal) {
        endIndex = middleIndex;
      } else if (searchVal > middleVal) {
        startIndex = middleIndex + 1;
      } else {
        // equal!
        return [middleIndex, 1];
      }
    }
    return [startIndex, 0];
  }

  var Interaction = /** @class */ (function () {
    function Interaction(settings) {
      this.component = settings.component;
      this.isHitComboAllowed = settings.isHitComboAllowed || null;
    }
    Interaction.prototype.destroy = function () {};
    return Interaction;
  })();
  function parseInteractionSettings(component, input) {
    return {
      component: component,
      el: input.el,
      useEventCenter: input.useEventCenter != null ? input.useEventCenter : true,
      isHitComboAllowed: input.isHitComboAllowed || null,
    };
  }
  function interactionSettingsToStore(settings) {
    var _a;
    return (_a = {}), (_a[settings.component.uid] = settings), _a;
  }
  // global state
  var interactionSettingsStore = {};

  /*
    An abstraction for a dragging interaction originating on an event.
    Does higher-level things than PointerDragger, such as possibly:
    - a "mirror" that moves with the pointer
    - a minimum number of pixels or other criteria for a true drag to begin

    subclasses must emit:
    - pointerdown
    - dragstart
    - dragmove
    - pointerup
    - dragend
    */
  var ElementDragging = /** @class */ (function () {
    function ElementDragging(el, selector) {
      this.emitter = new Emitter();
    }
    ElementDragging.prototype.destroy = function () {};
    ElementDragging.prototype.setMirrorIsVisible = function (bool) {
      // optional if subclass doesn't want to support a mirror
    };
    ElementDragging.prototype.setMirrorNeedsRevert = function (bool) {
      // optional if subclass doesn't want to support a mirror
    };
    ElementDragging.prototype.setAutoScrollEnabled = function (bool) {
      // optional
    };
    return ElementDragging;
  })();

  // TODO: get rid of this in favor of options system,
  // tho it's really easy to access this globally rather than pass thru options.
  var config = {};

  /*
    Information about what will happen when an external element is dragged-and-dropped
    onto a calendar. Contains information for creating an event.
    */
  var DRAG_META_REFINERS = {
    startTime: createDuration,
    duration: createDuration,
    create: Boolean,
    sourceId: String,
  };
  function parseDragMeta(raw) {
    var _a = refineProps(raw, DRAG_META_REFINERS),
      refined = _a.refined,
      extra = _a.extra;
    return {
      startTime: refined.startTime || null,
      duration: refined.duration || null,
      create: refined.create != null ? refined.create : true,
      sourceId: refined.sourceId,
      leftoverProps: extra,
    };
  }

  var ToolbarSection = /** @class */ (function (_super) {
    __extends(ToolbarSection, _super);
    function ToolbarSection() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    ToolbarSection.prototype.render = function () {
      var _this = this;
      var children = this.props.widgetGroups.map(function (widgetGroup) {
        return _this.renderWidgetGroup(widgetGroup);
      });
      return createElement.apply(void 0, __spreadArray(['div', { className: 'fc-toolbar-chunk' }], children));
    };
    ToolbarSection.prototype.renderWidgetGroup = function (widgetGroup) {
      var props = this.props;
      var theme = this.context.theme;
      var children = [];
      var isOnlyButtons = true;
      for (var _i = 0, widgetGroup_1 = widgetGroup; _i < widgetGroup_1.length; _i++) {
        var widget = widgetGroup_1[_i];
        var buttonName = widget.buttonName,
          buttonClick = widget.buttonClick,
          buttonText = widget.buttonText,
          buttonIcon = widget.buttonIcon,
          buttonHint = widget.buttonHint;
        if (buttonName === 'title') {
          isOnlyButtons = false;
          children.push(createElement('h2', { className: 'fc-toolbar-title', id: props.titleId }, props.title));
        } else {
          var isPressed = buttonName === props.activeButton;
          var isDisabled = (!props.isTodayEnabled && buttonName === 'today') || (!props.isPrevEnabled && buttonName === 'prev') || (!props.isNextEnabled && buttonName === 'next');
          var buttonClasses = ['fc-' + buttonName + '-button', theme.getClass('button')];
          if (isPressed) {
            buttonClasses.push(theme.getClass('buttonActive'));
          }
          children.push(
            createElement(
              'button',
              {
                type: 'button',
                title: typeof buttonHint === 'function' ? buttonHint(props.navUnit) : buttonHint,
                disabled: isDisabled,
                'aria-pressed': isPressed,
                className: buttonClasses.join(' '),
                onClick: buttonClick,
              },
              buttonText || (buttonIcon ? createElement('span', { className: buttonIcon }) : ''),
            ),
          );
        }
      }
      if (children.length > 1) {
        var groupClassName = (isOnlyButtons && theme.getClass('buttonGroup')) || '';
        return createElement.apply(void 0, __spreadArray(['div', { className: groupClassName }], children));
      }
      return children[0];
    };
    return ToolbarSection;
  })(BaseComponent);

  var Toolbar = /** @class */ (function (_super) {
    __extends(Toolbar, _super);
    function Toolbar() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    Toolbar.prototype.render = function () {
      var _a = this.props,
        model = _a.model,
        extraClassName = _a.extraClassName;
      var forceLtr = false;
      var startContent;
      var endContent;
      var sectionWidgets = model.sectionWidgets;
      var centerContent = sectionWidgets.center;
      if (sectionWidgets.left) {
        forceLtr = true;
        startContent = sectionWidgets.left;
      } else {
        startContent = sectionWidgets.start;
      }
      if (sectionWidgets.right) {
        forceLtr = true;
        endContent = sectionWidgets.right;
      } else {
        endContent = sectionWidgets.end;
      }
      var classNames = [extraClassName || '', 'fc-toolbar', forceLtr ? 'fc-toolbar-ltr' : ''];
      return createElement(
        'div',
        { className: classNames.join(' ') },
        this.renderSection('start', startContent || []),
        this.renderSection('center', centerContent || []),
        this.renderSection('end', endContent || []),
      );
    };
    Toolbar.prototype.renderSection = function (key, widgetGroups) {
      var props = this.props;
      return createElement(ToolbarSection, {
        key: key,
        widgetGroups: widgetGroups,
        title: props.title,
        navUnit: props.navUnit,
        activeButton: props.activeButton,
        isTodayEnabled: props.isTodayEnabled,
        isPrevEnabled: props.isPrevEnabled,
        isNextEnabled: props.isNextEnabled,
        titleId: props.titleId,
      });
    };
    return Toolbar;
  })(BaseComponent);

  // TODO: do function component?
  var ViewContainer = /** @class */ (function (_super) {
    __extends(ViewContainer, _super);
    function ViewContainer() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.state = {
        availableWidth: null,
      };
      _this.handleEl = function (el) {
        _this.el = el;
        setRef(_this.props.elRef, el);
        _this.updateAvailableWidth();
      };
      _this.handleResize = function () {
        _this.updateAvailableWidth();
      };
      return _this;
    }
    ViewContainer.prototype.render = function () {
      var _a = this,
        props = _a.props,
        state = _a.state;
      var aspectRatio = props.aspectRatio;
      var classNames = [
        'fc-view-harness',
        aspectRatio || props.liquid || props.height
          ? 'fc-view-harness-active' // harness controls the height
          : 'fc-view-harness-passive', // let the view do the height
      ];
      var height = '';
      var paddingBottom = '';
      if (aspectRatio) {
        if (state.availableWidth !== null) {
          height = state.availableWidth / aspectRatio;
        } else {
          // while waiting to know availableWidth, we can't set height to *zero*
          // because will cause lots of unnecessary scrollbars within scrollgrid.
          // BETTER: don't start rendering ANYTHING yet until we know container width
          // NOTE: why not always use paddingBottom? Causes height oscillation (issue 5606)
          paddingBottom = (1 / aspectRatio) * 100 + '%';
        }
      } else {
        height = props.height || '';
      }
      return createElement(
        'div',
        { 'aria-labelledby': props.labeledById, ref: this.handleEl, className: classNames.join(' '), style: { height: height, paddingBottom: paddingBottom } },
        props.children,
      );
    };
    ViewContainer.prototype.componentDidMount = function () {
      this.context.addResizeHandler(this.handleResize);
    };
    ViewContainer.prototype.componentWillUnmount = function () {
      this.context.removeResizeHandler(this.handleResize);
    };
    ViewContainer.prototype.updateAvailableWidth = function () {
      if (
        this.el && // needed. but why?
        this.props.aspectRatio // aspectRatio is the only height setting that needs availableWidth
      ) {
        this.setState({ availableWidth: this.el.offsetWidth });
      }
    };
    return ViewContainer;
  })(BaseComponent);

  /*
    Detects when the user clicks on an event within a DateComponent
    */
  var EventClicking = /** @class */ (function (_super) {
    __extends(EventClicking, _super);
    function EventClicking(settings) {
      var _this = _super.call(this, settings) || this;
      _this.handleSegClick = function (ev, segEl) {
        var component = _this.component;
        var context = component.context;
        var seg = getElSeg(segEl);
        if (
          seg && // might be the <div> surrounding the more link
          component.isValidSegDownEl(ev.target)
        ) {
          // our way to simulate a link click for elements that can't be <a> tags
          // grab before trigger fired in case trigger trashes DOM thru rerendering
          var hasUrlContainer = elementClosest(ev.target, '.fc-event-forced-url');
          var url = hasUrlContainer ? hasUrlContainer.querySelector('a[href]').href : '';
          context.emitter.trigger('eventClick', {
            el: segEl,
            event: new EventApi(component.context, seg.eventRange.def, seg.eventRange.instance),
            jsEvent: ev,
            view: context.viewApi,
          });
          if (url && !ev.defaultPrevented) {
            window.location.href = url;
          }
        }
      };
      _this.destroy = listenBySelector(
        settings.el,
        'click',
        '.fc-event', // on both fg and bg events
        _this.handleSegClick,
      );
      return _this;
    }
    return EventClicking;
  })(Interaction);

  /*
    Triggers events and adds/removes core classNames when the user's pointer
    enters/leaves event-elements of a component.
    */
  var EventHovering = /** @class */ (function (_super) {
    __extends(EventHovering, _super);
    function EventHovering(settings) {
      var _this = _super.call(this, settings) || this;
      // for simulating an eventMouseLeave when the event el is destroyed while mouse is over it
      _this.handleEventElRemove = function (el) {
        if (el === _this.currentSegEl) {
          _this.handleSegLeave(null, _this.currentSegEl);
        }
      };
      _this.handleSegEnter = function (ev, segEl) {
        if (getElSeg(segEl)) {
          // TODO: better way to make sure not hovering over more+ link or its wrapper
          _this.currentSegEl = segEl;
          _this.triggerEvent('eventMouseEnter', ev, segEl);
        }
      };
      _this.handleSegLeave = function (ev, segEl) {
        if (_this.currentSegEl) {
          _this.currentSegEl = null;
          _this.triggerEvent('eventMouseLeave', ev, segEl);
        }
      };
      _this.removeHoverListeners = listenToHoverBySelector(
        settings.el,
        '.fc-event', // on both fg and bg events
        _this.handleSegEnter,
        _this.handleSegLeave,
      );
      return _this;
    }
    EventHovering.prototype.destroy = function () {
      this.removeHoverListeners();
    };
    EventHovering.prototype.triggerEvent = function (publicEvName, ev, segEl) {
      var component = this.component;
      var context = component.context;
      var seg = getElSeg(segEl);
      if (!ev || component.isValidSegDownEl(ev.target)) {
        context.emitter.trigger(publicEvName, {
          el: segEl,
          event: new EventApi(context, seg.eventRange.def, seg.eventRange.instance),
          jsEvent: ev,
          view: context.viewApi,
        });
      }
    };
    return EventHovering;
  })(Interaction);

  var CalendarContent = /** @class */ (function (_super) {
    __extends(CalendarContent, _super);
    function CalendarContent() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.buildViewContext = memoize(buildViewContext);
      _this.buildViewPropTransformers = memoize(buildViewPropTransformers);
      _this.buildToolbarProps = memoize(buildToolbarProps);
      _this.headerRef = createRef();
      _this.footerRef = createRef();
      _this.interactionsStore = {};
      // eslint-disable-next-line
      _this.state = {
        viewLabelId: getUniqueDomId(),
      };
      // Component Registration
      // -----------------------------------------------------------------------------------------------------------------
      _this.registerInteractiveComponent = function (component, settingsInput) {
        var settings = parseInteractionSettings(component, settingsInput);
        var DEFAULT_INTERACTIONS = [EventClicking, EventHovering];
        var interactionClasses = DEFAULT_INTERACTIONS.concat(_this.props.pluginHooks.componentInteractions);
        var interactions = interactionClasses.map(function (TheInteractionClass) {
          return new TheInteractionClass(settings);
        });
        _this.interactionsStore[component.uid] = interactions;
        interactionSettingsStore[component.uid] = settings;
      };
      _this.unregisterInteractiveComponent = function (component) {
        var listeners = _this.interactionsStore[component.uid];
        if (listeners) {
          for (var _i = 0, listeners_1 = listeners; _i < listeners_1.length; _i++) {
            var listener = listeners_1[_i];
            listener.destroy();
          }
          delete _this.interactionsStore[component.uid];
        }
        delete interactionSettingsStore[component.uid];
      };
      // Resizing
      // -----------------------------------------------------------------------------------------------------------------
      _this.resizeRunner = new DelayedRunner(function () {
        _this.props.emitter.trigger('_resize', true); // should window resizes be considered "forced" ?
        _this.props.emitter.trigger('windowResize', { view: _this.props.viewApi });
      });
      _this.handleWindowResize = function (ev) {
        var options = _this.props.options;
        if (
          options.handleWindowResize &&
          ev.target === window // avoid jqui events
        ) {
          _this.resizeRunner.request(options.windowResizeDelay);
        }
      };
      return _this;
    }
    /*
        renders INSIDE of an outer div
        */
    CalendarContent.prototype.render = function () {
      var props = this.props;
      var toolbarConfig = props.toolbarConfig,
        options = props.options;
      var toolbarProps = this.buildToolbarProps(
        props.viewSpec,
        props.dateProfile,
        props.dateProfileGenerator,
        props.currentDate,
        getNow(props.options.now, props.dateEnv), // TODO: use NowTimer????
        props.viewTitle,
      );
      var viewVGrow = false;
      var viewHeight = '';
      var viewAspectRatio;
      if (props.isHeightAuto || props.forPrint) {
        viewHeight = '';
      } else if (options.height != null) {
        viewVGrow = true;
      } else if (options.contentHeight != null) {
        viewHeight = options.contentHeight;
      } else {
        viewAspectRatio = Math.max(options.aspectRatio, 0.5); // prevent from getting too tall
      }
      var viewContext = this.buildViewContext(
        props.viewSpec,
        props.viewApi,
        props.options,
        props.dateProfileGenerator,
        props.dateEnv,
        props.theme,
        props.pluginHooks,
        props.dispatch,
        props.getCurrentData,
        props.emitter,
        props.calendarApi,
        this.registerInteractiveComponent,
        this.unregisterInteractiveComponent,
      );
      var viewLabelId = toolbarConfig.header && toolbarConfig.header.hasTitle ? this.state.viewLabelId : '';
      return createElement(
        ViewContextType.Provider,
        { value: viewContext },
        toolbarConfig.header && createElement(Toolbar, __assign({ ref: this.headerRef, extraClassName: 'fc-header-toolbar', model: toolbarConfig.header, titleId: viewLabelId }, toolbarProps)),
        createElement(ViewContainer, { liquid: viewVGrow, height: viewHeight, aspectRatio: viewAspectRatio, labeledById: viewLabelId }, this.renderView(props), this.buildAppendContent()),
        toolbarConfig.footer && createElement(Toolbar, __assign({ ref: this.footerRef, extraClassName: 'fc-footer-toolbar', model: toolbarConfig.footer, titleId: '' }, toolbarProps)),
      );
    };
    CalendarContent.prototype.componentDidMount = function () {
      var props = this.props;
      this.calendarInteractions = props.pluginHooks.calendarInteractions.map(function (CalendarInteractionClass) {
        return new CalendarInteractionClass(props);
      });
      window.addEventListener('resize', this.handleWindowResize);
      var propSetHandlers = props.pluginHooks.propSetHandlers;
      for (var propName in propSetHandlers) {
        propSetHandlers[propName](props[propName], props);
      }
    };
    CalendarContent.prototype.componentDidUpdate = function (prevProps) {
      var props = this.props;
      var propSetHandlers = props.pluginHooks.propSetHandlers;
      for (var propName in propSetHandlers) {
        if (props[propName] !== prevProps[propName]) {
          propSetHandlers[propName](props[propName], props);
        }
      }
    };
    CalendarContent.prototype.componentWillUnmount = function () {
      window.removeEventListener('resize', this.handleWindowResize);
      this.resizeRunner.clear();
      for (var _i = 0, _a = this.calendarInteractions; _i < _a.length; _i++) {
        var interaction = _a[_i];
        interaction.destroy();
      }
      this.props.emitter.trigger('_unmount');
    };
    CalendarContent.prototype.buildAppendContent = function () {
      var props = this.props;
      var children = props.pluginHooks.viewContainerAppends.map(function (buildAppendContent) {
        return buildAppendContent(props);
      });
      return createElement.apply(void 0, __spreadArray([Fragment, {}], children));
    };
    CalendarContent.prototype.renderView = function (props) {
      var pluginHooks = props.pluginHooks;
      var viewSpec = props.viewSpec;
      var viewProps = {
        dateProfile: props.dateProfile,
        businessHours: props.businessHours,
        eventStore: props.renderableEventStore,
        eventUiBases: props.eventUiBases,
        dateSelection: props.dateSelection,
        eventSelection: props.eventSelection,
        eventDrag: props.eventDrag,
        eventResize: props.eventResize,
        isHeightAuto: props.isHeightAuto,
        forPrint: props.forPrint,
      };
      var transformers = this.buildViewPropTransformers(pluginHooks.viewPropsTransformers);
      for (var _i = 0, transformers_1 = transformers; _i < transformers_1.length; _i++) {
        var transformer = transformers_1[_i];
        __assign(viewProps, transformer.transform(viewProps, props));
      }
      var ViewComponent = viewSpec.component;
      return createElement(ViewComponent, __assign({}, viewProps));
    };
    return CalendarContent;
  })(PureComponent);
  function buildToolbarProps(viewSpec, dateProfile, dateProfileGenerator, currentDate, now, title) {
    // don't force any date-profiles to valid date profiles (the `false`) so that we can tell if it's invalid
    var todayInfo = dateProfileGenerator.build(now, undefined, false); // TODO: need `undefined` or else INFINITE LOOP for some reason
    var prevInfo = dateProfileGenerator.buildPrev(dateProfile, currentDate, false);
    var nextInfo = dateProfileGenerator.buildNext(dateProfile, currentDate, false);
    return {
      title: title,
      activeButton: viewSpec.type,
      navUnit: viewSpec.singleUnit,
      isTodayEnabled: todayInfo.isValid && !rangeContainsMarker(dateProfile.currentRange, now),
      isPrevEnabled: prevInfo.isValid,
      isNextEnabled: nextInfo.isValid,
    };
  }
  // Plugin
  // -----------------------------------------------------------------------------------------------------------------
  function buildViewPropTransformers(theClasses) {
    return theClasses.map(function (TheClass) {
      return new TheClass();
    });
  }

  var CalendarRoot = /** @class */ (function (_super) {
    __extends(CalendarRoot, _super);
    function CalendarRoot() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.state = {
        forPrint: false,
      };
      _this.handleBeforePrint = function () {
        _this.setState({ forPrint: true });
      };
      _this.handleAfterPrint = function () {
        _this.setState({ forPrint: false });
      };
      return _this;
    }
    CalendarRoot.prototype.render = function () {
      var props = this.props;
      var options = props.options;
      var forPrint = this.state.forPrint;
      var isHeightAuto = forPrint || options.height === 'auto' || options.contentHeight === 'auto';
      var height = !isHeightAuto && options.height != null ? options.height : '';
      var classNames = ['fc', forPrint ? 'fc-media-print' : 'fc-media-screen', 'fc-direction-' + options.direction, props.theme.getClass('root')];
      if (!getCanVGrowWithinCell()) {
        classNames.push('fc-liquid-hack');
      }
      return props.children(classNames, height, isHeightAuto, forPrint);
    };
    CalendarRoot.prototype.componentDidMount = function () {
      var emitter = this.props.emitter;
      emitter.on('_beforeprint', this.handleBeforePrint);
      emitter.on('_afterprint', this.handleAfterPrint);
    };
    CalendarRoot.prototype.componentWillUnmount = function () {
      var emitter = this.props.emitter;
      emitter.off('_beforeprint', this.handleBeforePrint);
      emitter.off('_afterprint', this.handleAfterPrint);
    };
    return CalendarRoot;
  })(BaseComponent);

  // Computes a default column header formatting string if `colFormat` is not explicitly defined
  function computeFallbackHeaderFormat(datesRepDistinctDays, dayCnt) {
    // if more than one week row, or if there are a lot of columns with not much space,
    // put just the day numbers will be in each cell
    if (!datesRepDistinctDays || dayCnt > 10) {
      return createFormatter({ weekday: 'short' }); // "Sat"
    }
    if (dayCnt > 1) {
      return createFormatter({ weekday: 'short', month: 'numeric', day: 'numeric', omitCommas: true }); // "Sat 11/12"
    }
    return createFormatter({ weekday: 'long' }); // "Saturday"
  }

  var CLASS_NAME = 'fc-col-header-cell'; // do the cushion too? no
  function renderInner$1(hookProps) {
    return hookProps.text;
  }

  var TableDateCell = /** @class */ (function (_super) {
    __extends(TableDateCell, _super);
    function TableDateCell() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    TableDateCell.prototype.render = function () {
      var _a = this.context,
        dateEnv = _a.dateEnv,
        options = _a.options,
        theme = _a.theme,
        viewApi = _a.viewApi;
      var props = this.props;
      var date = props.date,
        dateProfile = props.dateProfile;
      var dayMeta = getDateMeta(date, props.todayRange, null, dateProfile);
      var classNames = [CLASS_NAME].concat(getDayClassNames(dayMeta, theme));
      var text = dateEnv.format(date, props.dayHeaderFormat);
      // if colCnt is 1, we are already in a day-view and don't need a navlink
      var navLinkAttrs = !dayMeta.isDisabled && props.colCnt > 1 ? buildNavLinkAttrs(this.context, date) : {};
      var hookProps = __assign(__assign(__assign({ date: dateEnv.toDate(date), view: viewApi }, props.extraHookProps), { text: text }), dayMeta);
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.dayHeaderClassNames,
          content: options.dayHeaderContent,
          defaultContent: renderInner$1,
          didMount: options.dayHeaderDidMount,
          willUnmount: options.dayHeaderWillUnmount,
        },
        function (rootElRef, customClassNames, innerElRef, innerContent) {
          var nameM = innerContent.split(' ')[0];
          var dateM = innerContent.split(' ')[1];

          return createElement(
            'th',
            __assign(
              {
                ref: rootElRef,
                role: 'columnheader',
                className: classNames.concat(customClassNames).join(' '),
                'data-date': !dayMeta.isDisabled ? formatDayString(date) : undefined,
                colSpan: props.colSpan,
              },
              props.extraDataAttrs,
            ),
            createElement(
              'div',
              { className: 'fc-scrollgrid-sync-inner' },
              !dayMeta.isDisabled &&
                createElement(
                  'a',
                  __assign({ ref: innerElRef, className: ['fc-col-header-cell-cushion', props.isSticky ? 'fc-sticky' : ''].join(' ') }, navLinkAttrs),
                  createElement('span', { className: 'dayName' }, nameM),
                  dateM,
                ),
            ),
          );
        },
      );
    };
    return TableDateCell;
  })(BaseComponent);

  var WEEKDAY_FORMAT = createFormatter({ weekday: 'long' });
  var TableDowCell = /** @class */ (function (_super) {
    __extends(TableDowCell, _super);
    function TableDowCell() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    TableDowCell.prototype.render = function () {
      var props = this.props;
      var _a = this.context,
        dateEnv = _a.dateEnv,
        theme = _a.theme,
        viewApi = _a.viewApi,
        options = _a.options;
      var date = addDays(new Date(259200000), props.dow); // start with Sun, 04 Jan 1970 00:00:00 GMT
      var dateMeta = {
        dow: props.dow,
        isDisabled: false,
        isFuture: false,
        isPast: false,
        isToday: false,
        isOther: false,
      };
      var classNames = [CLASS_NAME].concat(getDayClassNames(dateMeta, theme), props.extraClassNames || []);
      var text = dateEnv.format(date, props.dayHeaderFormat);
      var hookProps = __assign(
        __assign(
          __assign(
            __assign(
              {
                // TODO: make this public?
                date: date,
              },
              dateMeta,
            ),
            { view: viewApi },
          ),
          props.extraHookProps,
        ),
        { text: text },
      );
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.dayHeaderClassNames,
          content: options.dayHeaderContent,
          defaultContent: renderInner$1,
          didMount: options.dayHeaderDidMount,
          willUnmount: options.dayHeaderWillUnmount,
        },
        function (rootElRef, customClassNames, innerElRef, innerContent) {
          return createElement(
            'th',
            __assign({ ref: rootElRef, role: 'columnheader', className: classNames.concat(customClassNames).join(' '), colSpan: props.colSpan }, props.extraDataAttrs),
            createElement(
              'div',
              { className: 'fc-scrollgrid-sync-inner' },
              createElement(
                'a',
                { 'aria-label': dateEnv.format(date, WEEKDAY_FORMAT), className: ['fc-col-header-cell-cushion', props.isSticky ? 'fc-sticky' : ''].join(' '), ref: innerElRef },
                innerContent,
              ),
            ),
          );
        },
      );
    };
    return TableDowCell;
  })(BaseComponent);

  var NowTimer = /** @class */ (function (_super) {
    __extends(NowTimer, _super);
    function NowTimer(props, context) {
      var _this = _super.call(this, props, context) || this;
      _this.initialNowDate = getNow(context.options.now, context.dateEnv);
      _this.initialNowQueriedMs = new Date().valueOf();
      _this.state = _this.computeTiming().currentState;
      return _this;
    }
    NowTimer.prototype.render = function () {
      var _a = this,
        props = _a.props,
        state = _a.state;
      return props.children(state.nowDate, state.todayRange);
    };
    NowTimer.prototype.componentDidMount = function () {
      this.setTimeout();
    };
    NowTimer.prototype.componentDidUpdate = function (prevProps) {
      if (prevProps.unit !== this.props.unit) {
        this.clearTimeout();
        this.setTimeout();
      }
    };
    NowTimer.prototype.componentWillUnmount = function () {
      this.clearTimeout();
    };
    NowTimer.prototype.computeTiming = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var unroundedNow = addMs(this.initialNowDate, new Date().valueOf() - this.initialNowQueriedMs);
      var currentUnitStart = context.dateEnv.startOf(unroundedNow, props.unit);
      var nextUnitStart = context.dateEnv.add(currentUnitStart, createDuration(1, props.unit));
      var waitMs = nextUnitStart.valueOf() - unroundedNow.valueOf();
      // there is a max setTimeout ms value (https://stackoverflow.com/a/3468650/96342)
      // ensure no longer than a day
      waitMs = Math.min(1000 * 60 * 60 * 24, waitMs);
      return {
        currentState: { nowDate: currentUnitStart, todayRange: buildDayRange(currentUnitStart) },
        nextState: { nowDate: nextUnitStart, todayRange: buildDayRange(nextUnitStart) },
        waitMs: waitMs,
      };
    };
    NowTimer.prototype.setTimeout = function () {
      var _this = this;
      var _a = this.computeTiming(),
        nextState = _a.nextState,
        waitMs = _a.waitMs;
      this.timeoutId = setTimeout(function () {
        _this.setState(nextState, function () {
          _this.setTimeout();
        });
      }, waitMs);
    };
    NowTimer.prototype.clearTimeout = function () {
      if (this.timeoutId) {
        clearTimeout(this.timeoutId);
      }
    };
    NowTimer.contextType = ViewContextType;
    return NowTimer;
  })(Component);
  function buildDayRange(date) {
    var start = startOfDay(date);
    var end = addDays(start, 1);
    return { start: start, end: end };
  }

  var DayHeader = /** @class */ (function (_super) {
    __extends(DayHeader, _super);
    function DayHeader() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.createDayHeaderFormatter = memoize(createDayHeaderFormatter);
      return _this;
    }
    DayHeader.prototype.render = function () {
      var context = this.context;
      var _a = this.props,
        dates = _a.dates,
        dateProfile = _a.dateProfile,
        datesRepDistinctDays = _a.datesRepDistinctDays,
        renderIntro = _a.renderIntro;
      var dayHeaderFormat = this.createDayHeaderFormatter(context.options.dayHeaderFormat, datesRepDistinctDays, dates.length);
      return createElement(NowTimer, { unit: 'day' }, function (nowDate, todayRange) {
        return createElement(
          'tr',
          { role: 'row' },
          renderIntro && renderIntro('day'),
          dates.map(function (date) {
            return datesRepDistinctDays
              ? createElement(TableDateCell, { key: date.toISOString(), date: date, dateProfile: dateProfile, todayRange: todayRange, colCnt: dates.length, dayHeaderFormat: dayHeaderFormat })
              : createElement(TableDowCell, { key: date.getUTCDay(), dow: date.getUTCDay(), dayHeaderFormat: dayHeaderFormat });
          }),
        );
      });
    };
    return DayHeader;
  })(BaseComponent);
  function createDayHeaderFormatter(explicitFormat, datesRepDistinctDays, dateCnt) {
    return explicitFormat || computeFallbackHeaderFormat(datesRepDistinctDays, dateCnt);
  }

  var DaySeriesModel = /** @class */ (function () {
    function DaySeriesModel(range, dateProfileGenerator) {
      var date = range.start;
      var end = range.end;
      var indices = [];
      var dates = [];
      var dayIndex = -1;
      while (date < end) {
        // loop each day from start to end
        if (dateProfileGenerator.isHiddenDay(date)) {
          indices.push(dayIndex + 0.5); // mark that it's between indices
        } else {
          dayIndex += 1;
          indices.push(dayIndex);
          dates.push(date);
        }
        date = addDays(date, 1);
      }
      this.dates = dates;
      this.indices = indices;
      this.cnt = dates.length;
    }
    DaySeriesModel.prototype.sliceRange = function (range) {
      var firstIndex = this.getDateDayIndex(range.start); // inclusive first index
      var lastIndex = this.getDateDayIndex(addDays(range.end, -1)); // inclusive last index
      var clippedFirstIndex = Math.max(0, firstIndex);
      var clippedLastIndex = Math.min(this.cnt - 1, lastIndex);
      // deal with in-between indices
      clippedFirstIndex = Math.ceil(clippedFirstIndex); // in-between starts round to next cell
      clippedLastIndex = Math.floor(clippedLastIndex); // in-between ends round to prev cell
      if (clippedFirstIndex <= clippedLastIndex) {
        return {
          firstIndex: clippedFirstIndex,
          lastIndex: clippedLastIndex,
          isStart: firstIndex === clippedFirstIndex,
          isEnd: lastIndex === clippedLastIndex,
        };
      }
      return null;
    };
    // Given a date, returns its chronolocial cell-index from the first cell of the grid.
    // If the date lies between cells (because of hiddenDays), returns a floating-point value between offsets.
    // If before the first offset, returns a negative number.
    // If after the last offset, returns an offset past the last cell offset.
    // Only works for *start* dates of cells. Will not work for exclusive end dates for cells.
    DaySeriesModel.prototype.getDateDayIndex = function (date) {
      var indices = this.indices;
      var dayOffset = Math.floor(diffDays(this.dates[0], date));
      if (dayOffset < 0) {
        return indices[0] - 1;
      }
      if (dayOffset >= indices.length) {
        return indices[indices.length - 1] + 1;
      }
      return indices[dayOffset];
    };
    return DaySeriesModel;
  })();

  var DayTableModel = /** @class */ (function () {
    function DayTableModel(daySeries, breakOnWeeks) {
      var dates = daySeries.dates;
      var daysPerRow;
      var firstDay;
      var rowCnt;
      if (breakOnWeeks) {
        // count columns until the day-of-week repeats
        firstDay = dates[0].getUTCDay();
        for (daysPerRow = 1; daysPerRow < dates.length; daysPerRow += 1) {
          if (dates[daysPerRow].getUTCDay() === firstDay) {
            break;
          }
        }
        rowCnt = Math.ceil(dates.length / daysPerRow);
      } else {
        rowCnt = 1;
        daysPerRow = dates.length;
      }
      this.rowCnt = rowCnt;
      this.colCnt = daysPerRow;
      this.daySeries = daySeries;
      this.cells = this.buildCells();
      this.headerDates = this.buildHeaderDates();
    }
    DayTableModel.prototype.buildCells = function () {
      var rows = [];
      for (var row = 0; row < this.rowCnt; row += 1) {
        var cells = [];
        for (var col = 0; col < this.colCnt; col += 1) {
          cells.push(this.buildCell(row, col));
        }
        rows.push(cells);
      }
      return rows;
    };
    DayTableModel.prototype.buildCell = function (row, col) {
      var date = this.daySeries.dates[row * this.colCnt + col];
      return {
        key: date.toISOString(),
        date: date,
      };
    };
    DayTableModel.prototype.buildHeaderDates = function () {
      var dates = [];
      for (var col = 0; col < this.colCnt; col += 1) {
        dates.push(this.cells[0][col].date);
      }
      return dates;
    };
    DayTableModel.prototype.sliceRange = function (range) {
      var colCnt = this.colCnt;
      var seriesSeg = this.daySeries.sliceRange(range);
      var segs = [];
      if (seriesSeg) {
        var firstIndex = seriesSeg.firstIndex,
          lastIndex = seriesSeg.lastIndex;
        var index = firstIndex;
        while (index <= lastIndex) {
          var row = Math.floor(index / colCnt);
          var nextIndex = Math.min((row + 1) * colCnt, lastIndex + 1);
          segs.push({
            row: row,
            firstCol: index % colCnt,
            lastCol: (nextIndex - 1) % colCnt,
            isStart: seriesSeg.isStart && index === firstIndex,
            isEnd: seriesSeg.isEnd && nextIndex - 1 === lastIndex,
          });
          index = nextIndex;
        }
      }
      return segs;
    };
    return DayTableModel;
  })();

  var Slicer = /** @class */ (function () {
    function Slicer() {
      this.sliceBusinessHours = memoize(this._sliceBusinessHours);
      this.sliceDateSelection = memoize(this._sliceDateSpan);
      this.sliceEventStore = memoize(this._sliceEventStore);
      this.sliceEventDrag = memoize(this._sliceInteraction);
      this.sliceEventResize = memoize(this._sliceInteraction);
      this.forceDayIfListItem = false; // hack
    }
    Slicer.prototype.sliceProps = function (props, dateProfile, nextDayThreshold, context) {
      var extraArgs = [];
      for (var _i = 4; _i < arguments.length; _i++) {
        extraArgs[_i - 4] = arguments[_i];
      }
      var eventUiBases = props.eventUiBases;
      var eventSegs = this.sliceEventStore.apply(this, __spreadArray([props.eventStore, eventUiBases, dateProfile, nextDayThreshold], extraArgs));
      return {
        dateSelectionSegs: this.sliceDateSelection.apply(this, __spreadArray([props.dateSelection, eventUiBases, context], extraArgs)),
        businessHourSegs: this.sliceBusinessHours.apply(this, __spreadArray([props.businessHours, dateProfile, nextDayThreshold, context], extraArgs)),
        fgEventSegs: eventSegs.fg,
        bgEventSegs: eventSegs.bg,
        eventDrag: this.sliceEventDrag.apply(this, __spreadArray([props.eventDrag, eventUiBases, dateProfile, nextDayThreshold], extraArgs)),
        eventResize: this.sliceEventResize.apply(this, __spreadArray([props.eventResize, eventUiBases, dateProfile, nextDayThreshold], extraArgs)),
        eventSelection: props.eventSelection,
      }; // TODO: give interactionSegs?
    };
    Slicer.prototype.sliceNowDate = function (
      // does not memoize
      date,
      context,
    ) {
      var extraArgs = [];
      for (var _i = 2; _i < arguments.length; _i++) {
        extraArgs[_i - 2] = arguments[_i];
      }
      return this._sliceDateSpan.apply(this, __spreadArray([{ range: { start: date, end: addMs(date, 1) }, allDay: false }, {}, context], extraArgs));
    };
    Slicer.prototype._sliceBusinessHours = function (businessHours, dateProfile, nextDayThreshold, context) {
      var extraArgs = [];
      for (var _i = 4; _i < arguments.length; _i++) {
        extraArgs[_i - 4] = arguments[_i];
      }
      if (!businessHours) {
        return [];
      }
      return this._sliceEventStore.apply(
        this,
        __spreadArray([expandRecurring(businessHours, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), context), {}, dateProfile, nextDayThreshold], extraArgs),
      ).bg;
    };
    Slicer.prototype._sliceEventStore = function (eventStore, eventUiBases, dateProfile, nextDayThreshold) {
      var extraArgs = [];
      for (var _i = 4; _i < arguments.length; _i++) {
        extraArgs[_i - 4] = arguments[_i];
      }
      if (eventStore) {
        var rangeRes = sliceEventStore(eventStore, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold);
        return {
          bg: this.sliceEventRanges(rangeRes.bg, extraArgs),
          fg: this.sliceEventRanges(rangeRes.fg, extraArgs),
        };
      }
      return { bg: [], fg: [] };
    };
    Slicer.prototype._sliceInteraction = function (interaction, eventUiBases, dateProfile, nextDayThreshold) {
      var extraArgs = [];
      for (var _i = 4; _i < arguments.length; _i++) {
        extraArgs[_i - 4] = arguments[_i];
      }
      if (!interaction) {
        return null;
      }
      var rangeRes = sliceEventStore(interaction.mutatedEvents, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold);
      return {
        segs: this.sliceEventRanges(rangeRes.fg, extraArgs),
        affectedInstances: interaction.affectedEvents.instances,
        isEvent: interaction.isEvent,
      };
    };
    Slicer.prototype._sliceDateSpan = function (dateSpan, eventUiBases, context) {
      var extraArgs = [];
      for (var _i = 3; _i < arguments.length; _i++) {
        extraArgs[_i - 3] = arguments[_i];
      }
      if (!dateSpan) {
        return [];
      }
      var eventRange = fabricateEventRange(dateSpan, eventUiBases, context);
      var segs = this.sliceRange.apply(this, __spreadArray([dateSpan.range], extraArgs));
      for (var _a = 0, segs_1 = segs; _a < segs_1.length; _a++) {
        var seg = segs_1[_a];
        seg.eventRange = eventRange;
      }
      return segs;
    };
    /*
        "complete" seg means it has component and eventRange
        */
    Slicer.prototype.sliceEventRanges = function (eventRanges, extraArgs) {
      var segs = [];
      for (var _i = 0, eventRanges_1 = eventRanges; _i < eventRanges_1.length; _i++) {
        var eventRange = eventRanges_1[_i];
        segs.push.apply(segs, this.sliceEventRange(eventRange, extraArgs));
      }
      return segs;
    };
    /*
        "complete" seg means it has component and eventRange
        */
    Slicer.prototype.sliceEventRange = function (eventRange, extraArgs) {
      var dateRange = eventRange.range;
      // hack to make multi-day events that are being force-displayed as list-items to take up only one day
      if (this.forceDayIfListItem && eventRange.ui.display === 'list-item') {
        dateRange = {
          start: dateRange.start,
          end: addDays(dateRange.start, 1),
        };
      }
      var segs = this.sliceRange.apply(this, __spreadArray([dateRange], extraArgs));
      for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) {
        var seg = segs_2[_i];
        seg.eventRange = eventRange;
        seg.isStart = eventRange.isStart && seg.isStart;
        seg.isEnd = eventRange.isEnd && seg.isEnd;
      }
      return segs;
    };
    return Slicer;
  })();
  /*
    for incorporating slotMinTime/slotMaxTime if appropriate
    TODO: should be part of DateProfile!
    TimelineDateProfile already does this btw
    */
  function computeActiveRange(dateProfile, isComponentAllDay) {
    var range = dateProfile.activeRange;
    if (isComponentAllDay) {
      return range;
    }
    return {
      start: addMs(range.start, dateProfile.slotMinTime.milliseconds),
      end: addMs(range.end, dateProfile.slotMaxTime.milliseconds - 864e5), // 864e5 = ms in a day
    };
  }

  // high-level segmenting-aware tester functions
  // ------------------------------------------------------------------------------------------------------------------------
  function isInteractionValid(interaction, dateProfile, context) {
    var instances = interaction.mutatedEvents.instances;
    for (var instanceId in instances) {
      if (!rangeContainsRange(dateProfile.validRange, instances[instanceId].range)) {
        return false;
      }
    }
    return isNewPropsValid({ eventDrag: interaction }, context); // HACK: the eventDrag props is used for ALL interactions
  }
  function isDateSelectionValid(dateSelection, dateProfile, context) {
    if (!rangeContainsRange(dateProfile.validRange, dateSelection.range)) {
      return false;
    }
    return isNewPropsValid({ dateSelection: dateSelection }, context);
  }
  function isNewPropsValid(newProps, context) {
    var calendarState = context.getCurrentData();
    var props = __assign(
      {
        businessHours: calendarState.businessHours,
        dateSelection: '',
        eventStore: calendarState.eventStore,
        eventUiBases: calendarState.eventUiBases,
        eventSelection: '',
        eventDrag: null,
        eventResize: null,
      },
      newProps,
    );
    return (context.pluginHooks.isPropsValid || isPropsValid)(props, context);
  }
  function isPropsValid(state, context, dateSpanMeta, filterConfig) {
    if (dateSpanMeta === void 0) {
      dateSpanMeta = {};
    }
    if (state.eventDrag && !isInteractionPropsValid(state, context, dateSpanMeta, filterConfig)) {
      return false;
    }
    if (state.dateSelection && !isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig)) {
      return false;
    }
    return true;
  }
  // Moving Event Validation
  // ------------------------------------------------------------------------------------------------------------------------
  function isInteractionPropsValid(state, context, dateSpanMeta, filterConfig) {
    var currentState = context.getCurrentData();
    var interaction = state.eventDrag; // HACK: the eventDrag props is used for ALL interactions
    var subjectEventStore = interaction.mutatedEvents;
    var subjectDefs = subjectEventStore.defs;
    var subjectInstances = subjectEventStore.instances;
    var subjectConfigs = compileEventUis(subjectDefs, interaction.isEvent ? state.eventUiBases : { '': currentState.selectionConfig });
    if (filterConfig) {
      subjectConfigs = mapHash(subjectConfigs, filterConfig);
    }
    // exclude the subject events. TODO: exclude defs too?
    var otherEventStore = excludeInstances(state.eventStore, interaction.affectedEvents.instances);
    var otherDefs = otherEventStore.defs;
    var otherInstances = otherEventStore.instances;
    var otherConfigs = compileEventUis(otherDefs, state.eventUiBases);
    for (var subjectInstanceId in subjectInstances) {
      var subjectInstance = subjectInstances[subjectInstanceId];
      var subjectRange = subjectInstance.range;
      var subjectConfig = subjectConfigs[subjectInstance.defId];
      var subjectDef = subjectDefs[subjectInstance.defId];
      // constraint
      if (!allConstraintsPass(subjectConfig.constraints, subjectRange, otherEventStore, state.businessHours, context)) {
        return false;
      }
      // overlap
      var eventOverlap = context.options.eventOverlap;
      var eventOverlapFunc = typeof eventOverlap === 'function' ? eventOverlap : null;
      for (var otherInstanceId in otherInstances) {
        var otherInstance = otherInstances[otherInstanceId];
        // intersect! evaluate
        if (rangesIntersect(subjectRange, otherInstance.range)) {
          var otherOverlap = otherConfigs[otherInstance.defId].overlap;
          // consider the other event's overlap. only do this if the subject event is a "real" event
          if (otherOverlap === false && interaction.isEvent) {
            return false;
          }
          if (subjectConfig.overlap === false) {
            return false;
          }
          if (
            eventOverlapFunc &&
            !eventOverlapFunc(
              new EventApi(context, otherDefs[otherInstance.defId], otherInstance), // still event
              new EventApi(context, subjectDef, subjectInstance),
            )
          ) {
            return false;
          }
        }
      }
      // allow (a function)
      var calendarEventStore = currentState.eventStore; // need global-to-calendar, not local to component (splittable)state
      for (var _i = 0, _a = subjectConfig.allows; _i < _a.length; _i++) {
        var subjectAllow = _a[_i];
        var subjectDateSpan = __assign(__assign({}, dateSpanMeta), { range: subjectInstance.range, allDay: subjectDef.allDay });
        var origDef = calendarEventStore.defs[subjectDef.defId];
        var origInstance = calendarEventStore.instances[subjectInstanceId];
        var eventApi = void 0;
        if (origDef) {
          // was previously in the calendar
          eventApi = new EventApi(context, origDef, origInstance);
        } else {
          // was an external event
          eventApi = new EventApi(context, subjectDef); // no instance, because had no dates
        }
        if (!subjectAllow(buildDateSpanApiWithContext(subjectDateSpan, context), eventApi)) {
          return false;
        }
      }
    }
    return true;
  }
  // Date Selection Validation
  // ------------------------------------------------------------------------------------------------------------------------
  function isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig) {
    var relevantEventStore = state.eventStore;
    var relevantDefs = relevantEventStore.defs;
    var relevantInstances = relevantEventStore.instances;
    var selection = state.dateSelection;
    var selectionRange = selection.range;
    var selectionConfig = context.getCurrentData().selectionConfig;
    if (filterConfig) {
      selectionConfig = filterConfig(selectionConfig);
    }
    // constraint
    if (!allConstraintsPass(selectionConfig.constraints, selectionRange, relevantEventStore, state.businessHours, context)) {
      return false;
    }
    // overlap
    var selectOverlap = context.options.selectOverlap;
    var selectOverlapFunc = typeof selectOverlap === 'function' ? selectOverlap : null;
    for (var relevantInstanceId in relevantInstances) {
      var relevantInstance = relevantInstances[relevantInstanceId];
      // intersect! evaluate
      if (rangesIntersect(selectionRange, relevantInstance.range)) {
        if (selectionConfig.overlap === false) {
          return false;
        }
        if (selectOverlapFunc && !selectOverlapFunc(new EventApi(context, relevantDefs[relevantInstance.defId], relevantInstance), null)) {
          return false;
        }
      }
    }
    // allow (a function)
    for (var _i = 0, _a = selectionConfig.allows; _i < _a.length; _i++) {
      var selectionAllow = _a[_i];
      var fullDateSpan = __assign(__assign({}, dateSpanMeta), selection);
      if (!selectionAllow(buildDateSpanApiWithContext(fullDateSpan, context), null)) {
        return false;
      }
    }
    return true;
  }
  // Constraint Utils
  // ------------------------------------------------------------------------------------------------------------------------
  function allConstraintsPass(constraints, subjectRange, otherEventStore, businessHoursUnexpanded, context) {
    for (var _i = 0, constraints_1 = constraints; _i < constraints_1.length; _i++) {
      var constraint = constraints_1[_i];
      if (!anyRangesContainRange(constraintToRanges(constraint, subjectRange, otherEventStore, businessHoursUnexpanded, context), subjectRange)) {
        return false;
      }
    }
    return true;
  }
  function constraintToRanges(
    constraint,
    subjectRange, // for expanding a recurring constraint, or expanding business hours
    otherEventStore, // for if constraint is an even group ID
    businessHoursUnexpanded, // for if constraint is 'businessHours'
    context,
  ) {
    if (constraint === 'businessHours') {
      return eventStoreToRanges(expandRecurring(businessHoursUnexpanded, subjectRange, context));
    }
    if (typeof constraint === 'string') {
      // an group ID
      return eventStoreToRanges(
        filterEventStoreDefs(otherEventStore, function (eventDef) {
          return eventDef.groupId === constraint;
        }),
      );
    }
    if (typeof constraint === 'object' && constraint) {
      // non-null object
      return eventStoreToRanges(expandRecurring(constraint, subjectRange, context));
    }
    return []; // if it's false
  }
  // TODO: move to event-store file?
  function eventStoreToRanges(eventStore) {
    var instances = eventStore.instances;
    var ranges = [];
    for (var instanceId in instances) {
      ranges.push(instances[instanceId].range);
    }
    return ranges;
  }
  // TODO: move to geom file?
  function anyRangesContainRange(outerRanges, innerRange) {
    for (var _i = 0, outerRanges_1 = outerRanges; _i < outerRanges_1.length; _i++) {
      var outerRange = outerRanges_1[_i];
      if (rangeContainsRange(outerRange, innerRange)) {
        return true;
      }
    }
    return false;
  }

  var VISIBLE_HIDDEN_RE = /^(visible|hidden)$/;
  var Scroller = /** @class */ (function (_super) {
    __extends(Scroller, _super);
    function Scroller() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.handleEl = function (el) {
        _this.el = el;
        setRef(_this.props.elRef, el);
      };
      return _this;
    }
    Scroller.prototype.render = function () {
      var props = this.props;
      var liquid = props.liquid,
        liquidIsAbsolute = props.liquidIsAbsolute;
      var isAbsolute = liquid && liquidIsAbsolute;
      var className = ['fc-scroller'];
      if (liquid) {
        if (liquidIsAbsolute) {
          className.push('fc-scroller-liquid-absolute');
        } else {
          className.push('fc-scroller-liquid');
        }
      }
      return createElement(
        'div',
        {
          ref: this.handleEl,
          className: className.join(' '),
          style: {
            overflowX: props.overflowX,
            overflowY: props.overflowY,
            left: (isAbsolute && -(props.overcomeLeft || 0)) || '',
            right: (isAbsolute && -(props.overcomeRight || 0)) || '',
            bottom: (isAbsolute && -(props.overcomeBottom || 0)) || '',
            marginLeft: (!isAbsolute && -(props.overcomeLeft || 0)) || '',
            marginRight: (!isAbsolute && -(props.overcomeRight || 0)) || '',
            marginBottom: (!isAbsolute && -(props.overcomeBottom || 0)) || '',
            maxHeight: props.maxHeight || '',
          },
        },
        props.children,
      );
    };
    Scroller.prototype.needsXScrolling = function () {
      if (VISIBLE_HIDDEN_RE.test(this.props.overflowX)) {
        return false;
      }
      // testing scrollWidth>clientWidth is unreliable cross-browser when pixel heights aren't integers.
      // much more reliable to see if children are taller than the scroller, even tho doesn't account for
      // inner-child margins and absolute positioning
      var el = this.el;
      var realClientWidth = this.el.getBoundingClientRect().width - this.getYScrollbarWidth();
      var children = el.children;
      for (var i = 0; i < children.length; i += 1) {
        var childEl = children[i];
        if (childEl.getBoundingClientRect().width > realClientWidth) {
          return true;
        }
      }
      return false;
    };
    Scroller.prototype.needsYScrolling = function () {
      if (VISIBLE_HIDDEN_RE.test(this.props.overflowY)) {
        return false;
      }
      // testing scrollHeight>clientHeight is unreliable cross-browser when pixel heights aren't integers.
      // much more reliable to see if children are taller than the scroller, even tho doesn't account for
      // inner-child margins and absolute positioning
      var el = this.el;
      var realClientHeight = this.el.getBoundingClientRect().height - this.getXScrollbarWidth();
      var children = el.children;
      for (var i = 0; i < children.length; i += 1) {
        var childEl = children[i];
        if (childEl.getBoundingClientRect().height > realClientHeight) {
          return true;
        }
      }
      return false;
    };
    Scroller.prototype.getXScrollbarWidth = function () {
      if (VISIBLE_HIDDEN_RE.test(this.props.overflowX)) {
        return 0;
      }
      return this.el.offsetHeight - this.el.clientHeight; // only works because we guarantee no borders. TODO: add to CSS with important?
    };
    Scroller.prototype.getYScrollbarWidth = function () {
      if (VISIBLE_HIDDEN_RE.test(this.props.overflowY)) {
        return 0;
      }
      return this.el.offsetWidth - this.el.clientWidth; // only works because we guarantee no borders. TODO: add to CSS with important?
    };
    return Scroller;
  })(BaseComponent);

  /*
    TODO: somehow infer OtherArgs from masterCallback?
    TODO: infer RefType from masterCallback if provided
    */
  var RefMap = /** @class */ (function () {
    function RefMap(masterCallback) {
      var _this = this;
      this.masterCallback = masterCallback;
      this.currentMap = {};
      this.depths = {};
      this.callbackMap = {};
      this.handleValue = function (val, key) {
        var _a = _this,
          depths = _a.depths,
          currentMap = _a.currentMap;
        var removed = false;
        var added = false;
        if (val !== null) {
          // for bug... ACTUALLY: can probably do away with this now that callers don't share numeric indices anymore
          removed = key in currentMap;
          currentMap[key] = val;
          depths[key] = (depths[key] || 0) + 1;
          added = true;
        } else {
          depths[key] -= 1;
          if (!depths[key]) {
            delete currentMap[key];
            delete _this.callbackMap[key];
            removed = true;
          }
        }
        if (_this.masterCallback) {
          if (removed) {
            _this.masterCallback(null, String(key));
          }
          if (added) {
            _this.masterCallback(val, String(key));
          }
        }
      };
    }
    RefMap.prototype.createRef = function (key) {
      var _this = this;
      var refCallback = this.callbackMap[key];
      if (!refCallback) {
        refCallback = this.callbackMap[key] = function (val) {
          _this.handleValue(val, String(key));
        };
      }
      return refCallback;
    };
    // TODO: check callers that don't care about order. should use getAll instead
    // NOTE: this method has become less valuable now that we are encouraged to map order by some other index
    // TODO: provide ONE array-export function, buildArray, which fails on non-numeric indexes. caller can manipulate and "collect"
    RefMap.prototype.collect = function (startIndex, endIndex, step) {
      return collectFromHash(this.currentMap, startIndex, endIndex, step);
    };
    RefMap.prototype.getAll = function () {
      return hashValuesToArray(this.currentMap);
    };
    return RefMap;
  })();

  function computeShrinkWidth(chunkEls) {
    var shrinkCells = findElements(chunkEls, '.fc-scrollgrid-shrink');
    var largestWidth = 0;
    for (var _i = 0, shrinkCells_1 = shrinkCells; _i < shrinkCells_1.length; _i++) {
      var shrinkCell = shrinkCells_1[_i];
      largestWidth = Math.max(largestWidth, computeSmallestCellWidth(shrinkCell));
    }
    return Math.ceil(largestWidth); // <table> elements work best with integers. round up to ensure contents fits
  }
  function getSectionHasLiquidHeight(props, sectionConfig) {
    return props.liquid && sectionConfig.liquid; // does the section do liquid-height? (need to have whole scrollgrid liquid-height as well)
  }
  function getAllowYScrolling(props, sectionConfig) {
    return (
      sectionConfig.maxHeight != null || // if its possible for the height to max out, we might need scrollbars
      getSectionHasLiquidHeight(props, sectionConfig)
    ); // if the section is liquid height, it might condense enough to require scrollbars
  }
  // TODO: ONLY use `arg`. force out internal function to use same API
  function renderChunkContent(sectionConfig, chunkConfig, arg, isHeader) {
    var expandRows = arg.expandRows;
    var content =
      typeof chunkConfig.content === 'function'
        ? chunkConfig.content(arg)
        : createElement(
            'table',
            {
              role: 'presentation',
              className: [chunkConfig.tableClassName, sectionConfig.syncRowHeights ? 'fc-scrollgrid-sync-table' : ''].join(' '),
              style: {
                minWidth: arg.tableMinWidth,
                width: arg.clientWidth,
                height: expandRows ? arg.clientHeight : '', // css `height` on a <table> serves as a min-height
              },
            },
            arg.tableColGroupNode,
            createElement(
              isHeader ? 'thead' : 'tbody',
              {
                role: 'presentation',
              },
              typeof chunkConfig.rowContent === 'function' ? chunkConfig.rowContent(arg) : chunkConfig.rowContent,
            ),
          );
    return content;
  }
  function isColPropsEqual(cols0, cols1) {
    return isArraysEqual(cols0, cols1, isPropsEqual);
  }
  function renderMicroColGroup(cols, shrinkWidth) {
    var colNodes = [];
    /*
        for ColProps with spans, it would have been great to make a single <col span="">
        HOWEVER, Chrome was getting messing up distributing the width to <td>/<th> elements with colspans.
        SOLUTION: making individual <col> elements makes Chrome behave.
        */
    for (var _i = 0, cols_1 = cols; _i < cols_1.length; _i++) {
      var colProps = cols_1[_i];
      var span = colProps.span || 1;
      for (var i = 0; i < span; i += 1) {
        colNodes.push(
          createElement('col', {
            style: {
              width: colProps.width === 'shrink' ? sanitizeShrinkWidth(shrinkWidth) : colProps.width || '',
              minWidth: colProps.minWidth || '',
            },
          }),
        );
      }
    }
    return createElement.apply(void 0, __spreadArray(['colgroup', {}], colNodes));
  }
  function sanitizeShrinkWidth(shrinkWidth) {
    /* why 4? if we do 0, it will kill any border, which are needed for computeSmallestCellWidth
        4 accounts for 2 2-pixel borders. TODO: better solution? */
    return shrinkWidth == null ? 4 : shrinkWidth;
  }
  function hasShrinkWidth(cols) {
    for (var _i = 0, cols_2 = cols; _i < cols_2.length; _i++) {
      var col = cols_2[_i];
      if (col.width === 'shrink') {
        return true;
      }
    }
    return false;
  }
  function getScrollGridClassNames(liquid, context) {
    var classNames = ['fc-scrollgrid', context.theme.getClass('table')];
    if (liquid) {
      classNames.push('fc-scrollgrid-liquid');
    }
    return classNames;
  }
  function getSectionClassNames(sectionConfig, wholeTableVGrow) {
    var classNames = [
      'fc-scrollgrid-section',
      'fc-scrollgrid-section-' + sectionConfig.type,
      sectionConfig.className, // used?
    ];
    if (wholeTableVGrow && sectionConfig.liquid && sectionConfig.maxHeight == null) {
      classNames.push('fc-scrollgrid-section-liquid');
    }
    if (sectionConfig.isSticky) {
      classNames.push('fc-scrollgrid-section-sticky');
    }
    return classNames;
  }
  function renderScrollShim(arg) {
    return createElement('div', {
      className: 'fc-scrollgrid-sticky-shim',
      style: {
        width: arg.clientWidth,
        minWidth: arg.tableMinWidth,
      },
    });
  }
  function getStickyHeaderDates(options) {
    var stickyHeaderDates = options.stickyHeaderDates;
    if (stickyHeaderDates == null || stickyHeaderDates === 'auto') {
      stickyHeaderDates = options.height === 'auto' || options.viewHeight === 'auto';
    }
    return stickyHeaderDates;
  }
  function getStickyFooterScrollbar(options) {
    var stickyFooterScrollbar = options.stickyFooterScrollbar;
    if (stickyFooterScrollbar == null || stickyFooterScrollbar === 'auto') {
      stickyFooterScrollbar = options.height === 'auto' || options.viewHeight === 'auto';
    }
    return stickyFooterScrollbar;
  }

  var SimpleScrollGrid = /** @class */ (function (_super) {
    __extends(SimpleScrollGrid, _super);
    function SimpleScrollGrid() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.processCols = memoize(function (a) {
        return a;
      }, isColPropsEqual); // so we get same `cols` props every time
      // yucky to memoize VNodes, but much more efficient for consumers
      _this.renderMicroColGroup = memoize(renderMicroColGroup);
      _this.scrollerRefs = new RefMap();
      _this.scrollerElRefs = new RefMap(_this._handleScrollerEl.bind(_this));
      _this.state = {
        shrinkWidth: null,
        forceYScrollbars: false,
        scrollerClientWidths: {},
        scrollerClientHeights: {},
      };
      // TODO: can do a really simple print-view. dont need to join rows
      _this.handleSizing = function () {
        _this.safeSetState(__assign({ shrinkWidth: _this.computeShrinkWidth() }, _this.computeScrollerDims()));
      };
      return _this;
    }
    SimpleScrollGrid.prototype.render = function () {
      var _a = this,
        props = _a.props,
        state = _a.state,
        context = _a.context;
      var sectionConfigs = props.sections || [];
      var cols = this.processCols(props.cols);
      var microColGroupNode = this.renderMicroColGroup(cols, state.shrinkWidth);
      var classNames = getScrollGridClassNames(props.liquid, context);
      if (props.collapsibleWidth) {
        classNames.push('fc-scrollgrid-collapsible');
      }
      // TODO: make DRY
      var configCnt = sectionConfigs.length;
      var configI = 0;
      var currentConfig;
      var headSectionNodes = [];
      var bodySectionNodes = [];
      var footSectionNodes = [];
      while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'header') {
        headSectionNodes.push(this.renderSection(currentConfig, microColGroupNode, true));
        configI += 1;
      }
      while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'body') {
        bodySectionNodes.push(this.renderSection(currentConfig, microColGroupNode, false));
        configI += 1;
      }
      while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'footer') {
        footSectionNodes.push(this.renderSection(currentConfig, microColGroupNode, true));
        configI += 1;
      }
      // firefox bug: when setting height on table and there is a thead or tfoot,
      // the necessary height:100% on the liquid-height body section forces the *whole* table to be taller. (bug #5524)
      // use getCanVGrowWithinCell as a way to detect table-stupid firefox.
      // if so, use a simpler dom structure, jam everything into a lone tbody.
      var isBuggy = !getCanVGrowWithinCell();
      var roleAttrs = { role: 'rowgroup' };
      return createElement(
        'table',
        {
          role: 'grid',
          className: classNames.join(' '),
          style: { height: props.height },
        },
        Boolean(!isBuggy && headSectionNodes.length) && createElement.apply(void 0, __spreadArray(['thead', roleAttrs], headSectionNodes)),
        Boolean(!isBuggy && bodySectionNodes.length) && createElement.apply(void 0, __spreadArray(['tbody', roleAttrs], bodySectionNodes)),
        Boolean(!isBuggy && footSectionNodes.length) && createElement.apply(void 0, __spreadArray(['tfoot', roleAttrs], footSectionNodes)),
        isBuggy && createElement.apply(void 0, __spreadArray(__spreadArray(__spreadArray(['tbody', roleAttrs], headSectionNodes), bodySectionNodes), footSectionNodes)),
      );
    };
    SimpleScrollGrid.prototype.renderSection = function (sectionConfig, microColGroupNode, isHeader) {
      if ('outerContent' in sectionConfig) {
        return createElement(Fragment, { key: sectionConfig.key }, sectionConfig.outerContent);
      }
      return createElement(
        'tr',
        { key: sectionConfig.key, role: 'presentation', className: getSectionClassNames(sectionConfig, this.props.liquid).join(' ') },
        this.renderChunkTd(sectionConfig, microColGroupNode, sectionConfig.chunk, isHeader),
      );
    };
    SimpleScrollGrid.prototype.renderChunkTd = function (sectionConfig, microColGroupNode, chunkConfig, isHeader) {
      if ('outerContent' in chunkConfig) {
        return chunkConfig.outerContent;
      }
      var props = this.props;
      var _a = this.state,
        forceYScrollbars = _a.forceYScrollbars,
        scrollerClientWidths = _a.scrollerClientWidths,
        scrollerClientHeights = _a.scrollerClientHeights;
      var needsYScrolling = getAllowYScrolling(props, sectionConfig); // TODO: do lazily. do in section config?
      var isLiquid = getSectionHasLiquidHeight(props, sectionConfig);
      // for `!props.liquid` - is WHOLE scrollgrid natural height?
      // TODO: do same thing in advanced scrollgrid? prolly not b/c always has horizontal scrollbars
      var overflowY = !props.liquid ? 'visible' : forceYScrollbars ? 'scroll' : !needsYScrolling ? 'hidden' : 'auto';
      var sectionKey = sectionConfig.key;
      var content = renderChunkContent(
        sectionConfig,
        chunkConfig,
        {
          tableColGroupNode: microColGroupNode,
          tableMinWidth: '',
          clientWidth: !props.collapsibleWidth && scrollerClientWidths[sectionKey] !== undefined ? scrollerClientWidths[sectionKey] : null,
          clientHeight: scrollerClientHeights[sectionKey] !== undefined ? scrollerClientHeights[sectionKey] : null,
          expandRows: sectionConfig.expandRows,
          syncRowHeights: false,
          rowSyncHeights: [],
          reportRowHeightChange: function () {},
        },
        isHeader,
      );
      return createElement(
        isHeader ? 'th' : 'td',
        {
          ref: chunkConfig.elRef,
          role: 'presentation',
        },
        createElement(
          'div',
          { className: 'fc-scroller-harness' + (isLiquid ? ' fc-scroller-harness-liquid' : '') },
          createElement(
            Scroller,
            {
              ref: this.scrollerRefs.createRef(sectionKey),
              elRef: this.scrollerElRefs.createRef(sectionKey),
              overflowY: overflowY,
              overflowX: !props.liquid ? 'visible' : 'hidden' /* natural height? */,
              maxHeight: sectionConfig.maxHeight,
              liquid: isLiquid,
              // because its within a harness
              liquidIsAbsolute: true,
            },
            content,
          ),
        ),
      );
    };
    SimpleScrollGrid.prototype._handleScrollerEl = function (scrollerEl, key) {
      var section = getSectionByKey(this.props.sections, key);
      if (section) {
        setRef(section.chunk.scrollerElRef, scrollerEl);
      }
    };
    SimpleScrollGrid.prototype.componentDidMount = function () {
      this.handleSizing();
      this.context.addResizeHandler(this.handleSizing);
    };
    SimpleScrollGrid.prototype.componentDidUpdate = function () {
      // TODO: need better solution when state contains non-sizing things
      this.handleSizing();
    };
    SimpleScrollGrid.prototype.componentWillUnmount = function () {
      this.context.removeResizeHandler(this.handleSizing);
    };
    SimpleScrollGrid.prototype.computeShrinkWidth = function () {
      return hasShrinkWidth(this.props.cols) ? computeShrinkWidth(this.scrollerElRefs.getAll()) : 0;
    };
    SimpleScrollGrid.prototype.computeScrollerDims = function () {
      var scrollbarWidth = getScrollbarWidths();
      var _a = this,
        scrollerRefs = _a.scrollerRefs,
        scrollerElRefs = _a.scrollerElRefs;
      var forceYScrollbars = false;
      var scrollerClientWidths = {};
      var scrollerClientHeights = {};
      for (var sectionKey in scrollerRefs.currentMap) {
        var scroller = scrollerRefs.currentMap[sectionKey];
        if (scroller && scroller.needsYScrolling()) {
          forceYScrollbars = true;
          break;
        }
      }
      for (var _i = 0, _b = this.props.sections; _i < _b.length; _i++) {
        var section = _b[_i];
        var sectionKey = section.key;
        var scrollerEl = scrollerElRefs.currentMap[sectionKey];
        if (scrollerEl) {
          var harnessEl = scrollerEl.parentNode; // TODO: weird way to get this. need harness b/c doesn't include table borders
          scrollerClientWidths[sectionKey] = Math.floor(
            harnessEl.getBoundingClientRect().width -
              (forceYScrollbars
                ? scrollbarWidth.y // use global because scroller might not have scrollbars yet but will need them in future
                : 0),
          );
          scrollerClientHeights[sectionKey] = Math.floor(harnessEl.getBoundingClientRect().height);
        }
      }
      return { forceYScrollbars: forceYScrollbars, scrollerClientWidths: scrollerClientWidths, scrollerClientHeights: scrollerClientHeights };
    };
    return SimpleScrollGrid;
  })(BaseComponent);
  SimpleScrollGrid.addStateEquality({
    scrollerClientWidths: isPropsEqual,
    scrollerClientHeights: isPropsEqual,
  });
  function getSectionByKey(sections, key) {
    for (var _i = 0, sections_1 = sections; _i < sections_1.length; _i++) {
      var section = sections_1[_i];
      if (section.key === key) {
        return section;
      }
    }
    return null;
  }

  var EventRoot = /** @class */ (function (_super) {
    __extends(EventRoot, _super);
    function EventRoot() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.elRef = createRef();
      return _this;
    }
    EventRoot.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var options = context.options;
      var seg = props.seg;
      var eventRange = seg.eventRange;
      var ui = eventRange.ui;
      var hookProps = {
        event: new EventApi(context, eventRange.def, eventRange.instance),
        view: context.viewApi,
        timeText: props.timeText,
        textColor: ui.textColor,
        backgroundColor: ui.backgroundColor,
        borderColor: ui.borderColor,
        isDraggable: !props.disableDragging && computeSegDraggable(seg, context),
        isStartResizable: !props.disableResizing && computeSegStartResizable(seg, context),
        isEndResizable: !props.disableResizing && computeSegEndResizable(seg),
        isMirror: Boolean(props.isDragging || props.isResizing || props.isDateSelecting),
        isStart: Boolean(seg.isStart),
        isEnd: Boolean(seg.isEnd),
        isPast: Boolean(props.isPast),
        isFuture: Boolean(props.isFuture),
        isToday: Boolean(props.isToday),
        isSelected: Boolean(props.isSelected),
        isDragging: Boolean(props.isDragging),
        isResizing: Boolean(props.isResizing),
      };
      var standardClassNames = getEventClassNames(hookProps).concat(ui.classNames);
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.eventClassNames,
          content: options.eventContent,
          defaultContent: props.defaultContent,
          didMount: options.eventDidMount,
          willUnmount: options.eventWillUnmount,
          elRef: this.elRef,
        },
        function (rootElRef, customClassNames, innerElRef, innerContent) {
          return props.children(rootElRef, standardClassNames.concat(customClassNames), innerElRef, innerContent, hookProps);
        },
      );
    };
    EventRoot.prototype.componentDidMount = function () {
      setElSeg(this.elRef.current, this.props.seg);
    };
    /*
        need to re-assign seg to the element if seg changes, even if the element is the same
        */
    EventRoot.prototype.componentDidUpdate = function (prevProps) {
      var seg = this.props.seg;
      if (seg !== prevProps.seg) {
        setElSeg(this.elRef.current, seg);
      }
    };
    return EventRoot;
  })(BaseComponent);

  // should not be a purecomponent
  var StandardEvent = /** @class */ (function (_super) {
    __extends(StandardEvent, _super);
    function StandardEvent() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    StandardEvent.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var seg = props.seg;
      var timeFormat = context.options.eventTimeFormat || props.defaultTimeFormat;
      var timeText = buildSegTimeText(seg, timeFormat, context, props.defaultDisplayEventTime, props.defaultDisplayEventEnd);
      return createElement(
        EventRoot,
        {
          seg: seg,
          timeText: timeText,
          disableDragging: props.disableDragging,
          disableResizing: props.disableResizing,
          defaultContent: props.defaultContent || renderInnerContent$4,
          isDragging: props.isDragging,
          isResizing: props.isResizing,
          isDateSelecting: props.isDateSelecting,
          isSelected: props.isSelected,
          isPast: props.isPast,
          isFuture: props.isFuture,
          isToday: props.isToday,
        },
        function (rootElRef, classNames, innerElRef, innerContent, hookProps) {
          return createElement(
            'a',
            __assign(
              {
                className: props.extraClassNames.concat(classNames).join(' '),
                style: {
                  borderColor: hookProps.borderColor,
                  backgroundColor: hookProps.backgroundColor,
                },
                ref: rootElRef,
              },
              getSegAnchorAttrs(seg, context),
            ),
            createElement('div', { className: 'fc-event-main', ref: innerElRef, style: { color: hookProps.textColor } }, innerContent),
            hookProps.isStartResizable && createElement('div', { className: 'fc-event-resizer fc-event-resizer-start' }),
            hookProps.isEndResizable && createElement('div', { className: 'fc-event-resizer fc-event-resizer-end' }),
          );
        },
      );
    };
    return StandardEvent;
  })(BaseComponent);
  function renderInnerContent$4(innerProps) {
    return createElement(
      'div',
      { className: 'fc-event-main-frame' },
      createElement(
        'div',
        { className: 'fc-task-box fc-sticky' },
        createElement('div', { className: 'fc-task-text-box' }, createElement('span', { className: 'fc-task-text' }, innerProps.event.task), ''),
        createElement('div', { className: 'fc-task-text-box' }, createElement('span', { className: 'fc-task-text' }, innerProps.event.hours), ''),
      ),
      //   innerProps.timeText && createElement('div', { className: 'fc-event-time' }, innerProps.timeText),
    );
  }

  var NowIndicatorRoot = function (props) {
    return createElement(ViewContextType.Consumer, null, function (context) {
      var options = context.options;
      var hookProps = {
        isAxis: props.isAxis,
        date: context.dateEnv.toDate(props.date),
        view: context.viewApi,
      };
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.nowIndicatorClassNames,
          content: options.nowIndicatorContent,
          didMount: options.nowIndicatorDidMount,
          willUnmount: options.nowIndicatorWillUnmount,
        },
        props.children,
      );
    });
  };

  var DAY_NUM_FORMAT = createFormatter({ day: 'numeric' });
  var DayCellContent = /** @class */ (function (_super) {
    __extends(DayCellContent, _super);
    function DayCellContent() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    DayCellContent.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var options = context.options;
      var hookProps = refineDayCellHookProps({
        date: props.date,
        dateProfile: props.dateProfile,
        todayRange: props.todayRange,
        showDayNumber: props.showDayNumber,
        extraProps: props.extraHookProps,
        viewApi: context.viewApi,
        dateEnv: context.dateEnv,
      });
      return createElement(ContentHook, { hookProps: hookProps, content: options.dayCellContent, defaultContent: props.defaultContent }, props.children);
    };
    return DayCellContent;
  })(BaseComponent);
  function refineDayCellHookProps(raw) {
    var date = raw.date,
      dateEnv = raw.dateEnv;
    var dayMeta = getDateMeta(date, raw.todayRange, null, raw.dateProfile);
    return __assign(__assign(__assign({ date: dateEnv.toDate(date), view: raw.viewApi }, dayMeta), { dayNumberText: raw.showDayNumber ? dateEnv.format(date, DAY_NUM_FORMAT) : '' }), raw.extraProps);
  }

  var DayCellRoot = /** @class */ (function (_super) {
    __extends(DayCellRoot, _super);
    function DayCellRoot() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.refineHookProps = memoizeObjArg(refineDayCellHookProps);
      _this.normalizeClassNames = buildClassNameNormalizer();
      return _this;
    }
    DayCellRoot.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var options = context.options;
      var hookProps = this.refineHookProps({
        date: props.date,
        dateProfile: props.dateProfile,
        todayRange: props.todayRange,
        showDayNumber: props.showDayNumber,
        extraProps: props.extraHookProps,
        viewApi: context.viewApi,
        dateEnv: context.dateEnv,
      });
      var classNames = getDayClassNames(hookProps, context.theme).concat(
        hookProps.isDisabled
          ? [] // don't use custom classNames if disabled
          : this.normalizeClassNames(options.dayCellClassNames, hookProps),
      );
      var dataAttrs = hookProps.isDisabled
        ? {}
        : {
            'data-date': formatDayString(props.date),
          };
      return createElement(MountHook, { hookProps: hookProps, didMount: options.dayCellDidMount, willUnmount: options.dayCellWillUnmount, elRef: props.elRef }, function (rootElRef) {
        return props.children(rootElRef, classNames, dataAttrs, hookProps.isDisabled);
      });
    };
    return DayCellRoot;
  })(BaseComponent);

  function renderFill(fillType) {
    return createElement('div', { className: 'fc-' + fillType });
  }
  var BgEvent = function (props) {
    return createElement(
      EventRoot,
      {
        defaultContent: renderInnerContent$3,
        seg: props.seg /* uselesss i think */,
        timeText: '',
        disableDragging: true,
        disableResizing: true,
        isDragging: false,
        isResizing: false,
        isDateSelecting: false,
        isSelected: false,
        isPast: props.isPast,
        isFuture: props.isFuture,
        isToday: props.isToday,
      },
      function (rootElRef, classNames, innerElRef, innerContent, hookProps) {
        return createElement(
          'div',
          {
            ref: rootElRef,
            className: ['fc-bg-event'].concat(classNames).join(' '),
            style: {
              backgroundColor: hookProps.backgroundColor,
            },
          },
          innerContent,
        );
      },
    );
  };
  function renderInnerContent$3(props) {
    var title = props.event.title;
    var subTitle = props.event.subTitle;
    return title && createElement('div', { className: 'fc-event-title' }, props.event.title) && subTitle && createElement('div', { className: 'fc-event-subTitle' }, props.event.subTitle);
  }

  var WeekNumberRoot = function (props) {
    return createElement(ViewContextType.Consumer, null, function (context) {
      var dateEnv = context.dateEnv,
        options = context.options;
      var date = props.date;
      var format = options.weekNumberFormat || props.defaultFormat;
      var num = dateEnv.computeWeekNumber(date); // TODO: somehow use for formatting as well?
      var text = dateEnv.format(date, format);
      var hookProps = { num: num, text: text, date: date };
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.weekNumberClassNames,
          content: options.weekNumberContent,
          defaultContent: renderInner,
          didMount: options.weekNumberDidMount,
          willUnmount: options.weekNumberWillUnmount,
        },
        props.children,
      );
    });
  };
  function renderInner(innerProps) {
    return innerProps.text;
  }

  var PADDING_FROM_VIEWPORT = 10;
  var Popover = /** @class */ (function (_super) {
    __extends(Popover, _super);
    function Popover() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.state = {
        titleId: getUniqueDomId(),
      };
      _this.handleRootEl = function (el) {
        _this.rootEl = el;
        if (_this.props.elRef) {
          setRef(_this.props.elRef, el);
        }
      };
      // Triggered when the user clicks *anywhere* in the document, for the autoHide feature
      _this.handleDocumentMouseDown = function (ev) {
        // only hide the popover if the click happened outside the popover
        var target = getEventTargetViaRoot(ev);
        if (!_this.rootEl.contains(target)) {
          _this.handleCloseClick();
        }
      };
      _this.handleDocumentKeyDown = function (ev) {
        if (ev.key === 'Escape') {
          _this.handleCloseClick();
        }
      };
      _this.handleCloseClick = function () {
        var onClose = _this.props.onClose;
        if (onClose) {
          onClose();
        }
      };
      return _this;
    }
    Popover.prototype.render = function () {
      var _a = this.context,
        theme = _a.theme,
        options = _a.options;
      var _b = this,
        props = _b.props,
        state = _b.state;
      var classNames = ['fc-popover', theme.getClass('popover')].concat(props.extraClassNames || []);
      return createPortal(
        createElement(
          'div',
          __assign({ id: props.id, className: classNames.join(' '), 'aria-labelledby': state.titleId }, props.extraAttrs, { ref: this.handleRootEl }),
          createElement(
            'div',
            { className: 'fc-popover-header ' + theme.getClass('popoverHeader') },
            createElement('span', { className: 'fc-popover-title', id: state.titleId }, props.title),
            createElement('span', { className: 'fc-popover-close ' + theme.getIconClass('close'), title: options.closeHint, onClick: this.handleCloseClick }),
          ),
          createElement('div', { className: 'fc-popover-body ' + theme.getClass('popoverContent') }, props.children),
        ),
        props.parentEl,
      );
    };
    Popover.prototype.componentDidMount = function () {
      document.addEventListener('mousedown', this.handleDocumentMouseDown);
      document.addEventListener('keydown', this.handleDocumentKeyDown);
      this.updateSize();
    };
    Popover.prototype.componentWillUnmount = function () {
      document.removeEventListener('mousedown', this.handleDocumentMouseDown);
      document.removeEventListener('keydown', this.handleDocumentKeyDown);
    };
    Popover.prototype.updateSize = function () {
      var isRtl = this.context.isRtl;
      var _a = this.props,
        alignmentEl = _a.alignmentEl,
        alignGridTop = _a.alignGridTop;
      var rootEl = this.rootEl;
      var alignmentRect = computeClippedClientRect(alignmentEl);
      if (alignmentRect) {
        var popoverDims = rootEl.getBoundingClientRect();
        // position relative to viewport
        var popoverTop = alignGridTop ? elementClosest(alignmentEl, '.fc-scrollgrid').getBoundingClientRect().top : alignmentRect.top;
        var popoverLeft = isRtl ? alignmentRect.right - popoverDims.width : alignmentRect.left;
        // constrain
        popoverTop = Math.max(popoverTop, PADDING_FROM_VIEWPORT);
        popoverLeft = Math.min(popoverLeft, document.documentElement.clientWidth - PADDING_FROM_VIEWPORT - popoverDims.width);
        popoverLeft = Math.max(popoverLeft, PADDING_FROM_VIEWPORT);
        var origin_1 = rootEl.offsetParent.getBoundingClientRect();
        applyStyle(rootEl, {
          top: popoverTop - origin_1.top,
          left: popoverLeft - origin_1.left,
        });
      }
    };
    return Popover;
  })(BaseComponent);

  var MorePopover = /** @class */ (function (_super) {
    __extends(MorePopover, _super);
    function MorePopover() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.handleRootEl = function (rootEl) {
        _this.rootEl = rootEl;
        if (rootEl) {
          _this.context.registerInteractiveComponent(_this, {
            el: rootEl,
            useEventCenter: false,
          });
        } else {
          _this.context.unregisterInteractiveComponent(_this);
        }
      };
      return _this;
    }
    MorePopover.prototype.render = function () {
      var _a = this.context,
        options = _a.options,
        dateEnv = _a.dateEnv;
      var props = this.props;
      var startDate = props.startDate,
        todayRange = props.todayRange,
        dateProfile = props.dateProfile;
      var title = dateEnv.format(startDate, options.dayPopoverFormat);
      return createElement(DayCellRoot, { date: startDate, dateProfile: dateProfile, todayRange: todayRange, elRef: this.handleRootEl }, function (rootElRef, dayClassNames, dataAttrs) {
        return createElement(
          Popover,
          {
            elRef: rootElRef,
            id: props.id,
            title: title,
            extraClassNames: ['fc-more-popover'].concat(dayClassNames),
            extraAttrs: dataAttrs /* TODO: make these time-based when not whole-day? */,
            parentEl: props.parentEl,
            alignmentEl: props.alignmentEl,
            alignGridTop: props.alignGridTop,
            onClose: props.onClose,
          },
          createElement(DayCellContent, { date: startDate, dateProfile: dateProfile, todayRange: todayRange }, function (innerElRef, innerContent) {
            return innerContent && createElement('div', { className: 'fc-more-popover-misc', ref: innerElRef }, innerContent);
          }),
          props.children,
        );
      });
    };
    MorePopover.prototype.queryHit = function (positionLeft, positionTop, elWidth, elHeight) {
      var _a = this,
        rootEl = _a.rootEl,
        props = _a.props;
      if (positionLeft >= 0 && positionLeft < elWidth && positionTop >= 0 && positionTop < elHeight) {
        return {
          dateProfile: props.dateProfile,
          dateSpan: __assign(
            {
              allDay: true,
              range: {
                start: props.startDate,
                end: props.endDate,
              },
            },
            props.extraDateSpan,
          ),
          dayEl: rootEl,
          rect: {
            left: 0,
            top: 0,
            right: elWidth,
            bottom: elHeight,
          },
          layer: 1, // important when comparing with hits from other components
        };
      }
      return null;
    };
    return MorePopover;
  })(DateComponent);

  var MoreLinkRoot = /** @class */ (function (_super) {
    __extends(MoreLinkRoot, _super);
    function MoreLinkRoot() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.linkElRef = createRef();
      _this.state = {
        isPopoverOpen: false,
        popoverId: getUniqueDomId(),
      };
      _this.handleClick = function (ev) {
        var _a = _this,
          props = _a.props,
          context = _a.context;
        var moreLinkClick = context.options.moreLinkClick;
        var date = computeRange(props).start;
        function buildPublicSeg(seg) {
          var _a = seg.eventRange,
            def = _a.def,
            instance = _a.instance,
            range = _a.range;
          return {
            event: new EventApi(context, def, instance),
            start: context.dateEnv.toDate(range.start),
            end: context.dateEnv.toDate(range.end),
            isStart: seg.isStart,
            isEnd: seg.isEnd,
          };
        }
        if (typeof moreLinkClick === 'function') {
          moreLinkClick = moreLinkClick({
            date: date,
            allDay: Boolean(props.allDayDate),
            allSegs: props.allSegs.map(buildPublicSeg),
            hiddenSegs: props.hiddenSegs.map(buildPublicSeg),
            jsEvent: ev,
            view: context.viewApi,
          });
        }
        if (!moreLinkClick || moreLinkClick === 'popover') {
          _this.setState({ isPopoverOpen: true });
        } else if (typeof moreLinkClick === 'string') {
          // a view name
          context.calendarApi.zoomTo(date, moreLinkClick);
        }
      };
      _this.handlePopoverClose = function () {
        _this.setState({ isPopoverOpen: false });
      };
      return _this;
    }
    MoreLinkRoot.prototype.render = function () {
      var _this = this;
      var _a = this,
        props = _a.props,
        state = _a.state;
      return createElement(ViewContextType.Consumer, null, function (context) {
        var viewApi = context.viewApi,
          options = context.options,
          calendarApi = context.calendarApi;
        var moreLinkText = options.moreLinkText;
        var moreCnt = props.moreCnt;
        var range = computeRange(props);
        var text =
          typeof moreLinkText === 'function' // TODO: eventually use formatWithOrdinals
            ? moreLinkText.call(calendarApi, moreCnt)
            : '+' + moreCnt + ' ' + moreLinkText;
        var title = formatWithOrdinals(options.moreLinkHint, [moreCnt], text);
        var hookProps = {
          num: moreCnt,
          shortText: '+' + moreCnt,
          text: text,
          view: viewApi,
        };
        return createElement(
          Fragment,
          null,
          Boolean(props.moreCnt) &&
            createElement(
              RenderHook,
              {
                elRef: _this.linkElRef,
                hookProps: hookProps,
                classNames: options.moreLinkClassNames,
                content: options.moreLinkContent,
                defaultContent: props.defaultContent || renderMoreLinkInner$1,
                didMount: options.moreLinkDidMount,
                willUnmount: options.moreLinkWillUnmount,
              },
              function (rootElRef, customClassNames, innerElRef, innerContent) {
                return props.children(
                  rootElRef,
                  ['fc-more-link'].concat(customClassNames),
                  innerElRef,
                  innerContent,
                  _this.handleClick,
                  title,
                  state.isPopoverOpen,
                  state.isPopoverOpen ? state.popoverId : '',
                );
              },
            ),
          state.isPopoverOpen &&
            createElement(
              MorePopover,
              {
                id: state.popoverId,
                startDate: range.start,
                endDate: range.end,
                dateProfile: props.dateProfile,
                todayRange: props.todayRange,
                extraDateSpan: props.extraDateSpan,
                parentEl: _this.parentEl,
                alignmentEl: props.alignmentElRef.current,
                alignGridTop: props.alignGridTop,
                onClose: _this.handlePopoverClose,
              },
              props.popoverContent(),
            ),
        );
      });
    };
    MoreLinkRoot.prototype.componentDidMount = function () {
      this.updateParentEl();
    };
    MoreLinkRoot.prototype.componentDidUpdate = function () {
      this.updateParentEl();
    };
    MoreLinkRoot.prototype.updateParentEl = function () {
      if (this.linkElRef.current) {
        this.parentEl = elementClosest(this.linkElRef.current, '.fc-view-harness');
      }
    };
    return MoreLinkRoot;
  })(BaseComponent);
  function renderMoreLinkInner$1(props) {
    return props.text;
  }
  function computeRange(props) {
    if (props.allDayDate) {
      return {
        start: props.allDayDate,
        end: addDays(props.allDayDate, 1),
      };
    }
    var hiddenSegs = props.hiddenSegs;
    return {
      start: computeEarliestSegStart(hiddenSegs),
      end: computeLatestSegEnd(hiddenSegs),
    };
  }
  function computeEarliestSegStart(segs) {
    return segs.reduce(pickEarliestStart).eventRange.range.start;
  }
  function pickEarliestStart(seg0, seg1) {
    return seg0.eventRange.range.start < seg1.eventRange.range.start ? seg0 : seg1;
  }
  function computeLatestSegEnd(segs) {
    return segs.reduce(pickLatestEnd).eventRange.range.end;
  }
  function pickLatestEnd(seg0, seg1) {
    return seg0.eventRange.range.end > seg1.eventRange.range.end ? seg0 : seg1;
  }

  // exports
  // --------------------------------------------------------------------------------------------------
  var version = '5.11.3'; // important to type it, so .d.ts has generic string

  var Calendar = /** @class */ (function (_super) {
    __extends(Calendar, _super);
    function Calendar(el, optionOverrides) {
      if (optionOverrides === void 0) {
        optionOverrides = {};
      }
      var _this = _super.call(this) || this;
      _this.isRendering = false;
      _this.isRendered = false;
      _this.currentClassNames = [];
      _this.customContentRenderId = 0; // will affect custom generated classNames?
      _this.handleAction = function (action) {
        // actions we know we want to render immediately
        switch (action.type) {
          case 'SET_EVENT_DRAG':
          case 'SET_EVENT_RESIZE':
            _this.renderRunner.tryDrain();
        }
      };
      _this.handleData = function (data) {
        _this.currentData = data;
        _this.renderRunner.request(data.calendarOptions.rerenderDelay);
      };
      _this.handleRenderRequest = function () {
        if (_this.isRendering) {
          _this.isRendered = true;
          var currentData_1 = _this.currentData;
          flushSync(function () {
            render(
              createElement(
                CalendarRoot,
                { options: currentData_1.calendarOptions, theme: currentData_1.theme, emitter: currentData_1.emitter },
                function (classNames, height, isHeightAuto, forPrint) {
                  _this.setClassNames(classNames);
                  _this.setHeight(height);
                  return createElement(
                    CustomContentRenderContext.Provider,
                    { value: _this.customContentRenderId },
                    createElement(CalendarContent, __assign({ isHeightAuto: isHeightAuto, forPrint: forPrint }, currentData_1)),
                  );
                },
              ),
              _this.el,
            );
          });
        } else if (_this.isRendered) {
          _this.isRendered = false;
          unmountComponentAtNode(_this.el);
          _this.setClassNames([]);
          _this.setHeight('');
        }
      };
      _this.el = el;
      _this.renderRunner = new DelayedRunner(_this.handleRenderRequest);
      new CalendarDataManager({
        optionOverrides: optionOverrides,
        calendarApi: _this,
        onAction: _this.handleAction,
        onData: _this.handleData,
      });
      return _this;
    }
    Object.defineProperty(Calendar.prototype, 'view', {
      get: function () {
        return this.currentData.viewApi;
      }, // for public API
      enumerable: false,
      configurable: true,
    });
    Calendar.prototype.render = function () {
      var wasRendering = this.isRendering;
      if (!wasRendering) {
        this.isRendering = true;
      } else {
        this.customContentRenderId += 1;
      }
      this.renderRunner.request();
      if (wasRendering) {
        this.updateSize();
      }
    };
    Calendar.prototype.destroy = function () {
      if (this.isRendering) {
        this.isRendering = false;
        this.renderRunner.request();
      }
    };
    Calendar.prototype.updateSize = function () {
      var _this = this;
      flushSync(function () {
        _super.prototype.updateSize.call(_this);
      });
    };
    Calendar.prototype.batchRendering = function (func) {
      this.renderRunner.pause('batchRendering');
      func();
      this.renderRunner.resume('batchRendering');
    };
    Calendar.prototype.pauseRendering = function () {
      this.renderRunner.pause('pauseRendering');
    };
    Calendar.prototype.resumeRendering = function () {
      this.renderRunner.resume('pauseRendering', true);
    };
    Calendar.prototype.resetOptions = function (optionOverrides, append) {
      this.currentDataManager.resetOptions(optionOverrides, append);
    };
    Calendar.prototype.setClassNames = function (classNames) {
      if (!isArraysEqual(classNames, this.currentClassNames)) {
        var classList = this.el.classList;
        for (var _i = 0, _a = this.currentClassNames; _i < _a.length; _i++) {
          var className = _a[_i];
          classList.remove(className);
        }
        for (var _b = 0, classNames_1 = classNames; _b < classNames_1.length; _b++) {
          var className = classNames_1[_b];
          classList.add(className);
        }
        this.currentClassNames = classNames;
      }
    };
    Calendar.prototype.setHeight = function (height) {
      applyStyleProp(this.el, 'height', height);
    };
    return Calendar;
  })(CalendarApi);

  config.touchMouseIgnoreWait = 500;
  var ignoreMouseDepth = 0;
  var listenerCnt = 0;
  var isWindowTouchMoveCancelled = false;
  /*
    Uses a "pointer" abstraction, which monitors UI events for both mouse and touch.
    Tracks when the pointer "drags" on a certain element, meaning down+move+up.

    Also, tracks if there was touch-scrolling.
    Also, can prevent touch-scrolling from happening.
    Also, can fire pointermove events when scrolling happens underneath, even when no real pointer movement.

    emits:
    - pointerdown
    - pointermove
    - pointerup
    */
  var PointerDragging = /** @class */ (function () {
    function PointerDragging(containerEl) {
      var _this = this;
      this.subjectEl = null;
      // options that can be directly assigned by caller
      this.selector = ''; // will cause subjectEl in all emitted events to be this element
      this.handleSelector = '';
      this.shouldIgnoreMove = false;
      this.shouldWatchScroll = true; // for simulating pointermove on scroll
      // internal states
      this.isDragging = false;
      this.isTouchDragging = false;
      this.wasTouchScroll = false;
      // Mouse
      // ----------------------------------------------------------------------------------------------------
      this.handleMouseDown = function (ev) {
        if (!_this.shouldIgnoreMouse() && isPrimaryMouseButton(ev) && _this.tryStart(ev)) {
          var pev = _this.createEventFromMouse(ev, true);
          _this.emitter.trigger('pointerdown', pev);
          _this.initScrollWatch(pev);
          if (!_this.shouldIgnoreMove) {
            document.addEventListener('mousemove', _this.handleMouseMove);
          }
          document.addEventListener('mouseup', _this.handleMouseUp);
        }
      };
      this.handleMouseMove = function (ev) {
        var pev = _this.createEventFromMouse(ev);
        _this.recordCoords(pev);
        _this.emitter.trigger('pointermove', pev);
      };
      this.handleMouseUp = function (ev) {
        document.removeEventListener('mousemove', _this.handleMouseMove);
        document.removeEventListener('mouseup', _this.handleMouseUp);
        _this.emitter.trigger('pointerup', _this.createEventFromMouse(ev));
        _this.cleanup(); // call last so that pointerup has access to props
      };
      // Touch
      // ----------------------------------------------------------------------------------------------------
      this.handleTouchStart = function (ev) {
        if (_this.tryStart(ev)) {
          _this.isTouchDragging = true;
          var pev = _this.createEventFromTouch(ev, true);
          _this.emitter.trigger('pointerdown', pev);
          _this.initScrollWatch(pev);
          // unlike mouse, need to attach to target, not document
          // https://stackoverflow.com/a/45760014
          var targetEl = ev.target;
          if (!_this.shouldIgnoreMove) {
            targetEl.addEventListener('touchmove', _this.handleTouchMove);
          }
          targetEl.addEventListener('touchend', _this.handleTouchEnd);
          targetEl.addEventListener('touchcancel', _this.handleTouchEnd); // treat it as a touch end
          // attach a handler to get called when ANY scroll action happens on the page.
          // this was impossible to do with normal on/off because 'scroll' doesn't bubble.
          // http://stackoverflow.com/a/32954565/96342
          window.addEventListener('scroll', _this.handleTouchScroll, true);
        }
      };
      this.handleTouchMove = function (ev) {
        var pev = _this.createEventFromTouch(ev);
        _this.recordCoords(pev);
        _this.emitter.trigger('pointermove', pev);
      };
      this.handleTouchEnd = function (ev) {
        if (_this.isDragging) {
          // done to guard against touchend followed by touchcancel
          var targetEl = ev.target;
          targetEl.removeEventListener('touchmove', _this.handleTouchMove);
          targetEl.removeEventListener('touchend', _this.handleTouchEnd);
          targetEl.removeEventListener('touchcancel', _this.handleTouchEnd);
          window.removeEventListener('scroll', _this.handleTouchScroll, true); // useCaptured=true
          _this.emitter.trigger('pointerup', _this.createEventFromTouch(ev));
          _this.cleanup(); // call last so that pointerup has access to props
          _this.isTouchDragging = false;
          startIgnoringMouse();
        }
      };
      this.handleTouchScroll = function () {
        _this.wasTouchScroll = true;
      };
      this.handleScroll = function (ev) {
        if (!_this.shouldIgnoreMove) {
          var pageX = window.pageXOffset - _this.prevScrollX + _this.prevPageX;
          var pageY = window.pageYOffset - _this.prevScrollY + _this.prevPageY;
          _this.emitter.trigger('pointermove', {
            origEvent: ev,
            isTouch: _this.isTouchDragging,
            subjectEl: _this.subjectEl,
            pageX: pageX,
            pageY: pageY,
            deltaX: pageX - _this.origPageX,
            deltaY: pageY - _this.origPageY,
          });
        }
      };
      this.containerEl = containerEl;
      this.emitter = new Emitter();
      containerEl.addEventListener('mousedown', this.handleMouseDown);
      containerEl.addEventListener('touchstart', this.handleTouchStart, { passive: true });
      listenerCreated();
    }
    PointerDragging.prototype.destroy = function () {
      this.containerEl.removeEventListener('mousedown', this.handleMouseDown);
      this.containerEl.removeEventListener('touchstart', this.handleTouchStart, { passive: true });
      listenerDestroyed();
    };
    PointerDragging.prototype.tryStart = function (ev) {
      var subjectEl = this.querySubjectEl(ev);
      var downEl = ev.target;
      if (subjectEl && (!this.handleSelector || elementClosest(downEl, this.handleSelector))) {
        this.subjectEl = subjectEl;
        this.isDragging = true; // do this first so cancelTouchScroll will work
        this.wasTouchScroll = false;
        return true;
      }
      return false;
    };
    PointerDragging.prototype.cleanup = function () {
      isWindowTouchMoveCancelled = false;
      this.isDragging = false;
      this.subjectEl = null;
      // keep wasTouchScroll around for later access
      this.destroyScrollWatch();
    };
    PointerDragging.prototype.querySubjectEl = function (ev) {
      if (this.selector) {
        return elementClosest(ev.target, this.selector);
      }
      return this.containerEl;
    };
    PointerDragging.prototype.shouldIgnoreMouse = function () {
      return ignoreMouseDepth || this.isTouchDragging;
    };
    // can be called by user of this class, to cancel touch-based scrolling for the current drag
    PointerDragging.prototype.cancelTouchScroll = function () {
      if (this.isDragging) {
        isWindowTouchMoveCancelled = true;
      }
    };
    // Scrolling that simulates pointermoves
    // ----------------------------------------------------------------------------------------------------
    PointerDragging.prototype.initScrollWatch = function (ev) {
      if (this.shouldWatchScroll) {
        this.recordCoords(ev);
        window.addEventListener('scroll', this.handleScroll, true); // useCapture=true
      }
    };
    PointerDragging.prototype.recordCoords = function (ev) {
      if (this.shouldWatchScroll) {
        this.prevPageX = ev.pageX;
        this.prevPageY = ev.pageY;
        this.prevScrollX = window.pageXOffset;
        this.prevScrollY = window.pageYOffset;
      }
    };
    PointerDragging.prototype.destroyScrollWatch = function () {
      if (this.shouldWatchScroll) {
        window.removeEventListener('scroll', this.handleScroll, true); // useCaptured=true
      }
    };
    // Event Normalization
    // ----------------------------------------------------------------------------------------------------
    PointerDragging.prototype.createEventFromMouse = function (ev, isFirst) {
      var deltaX = 0;
      var deltaY = 0;
      // TODO: repeat code
      if (isFirst) {
        this.origPageX = ev.pageX;
        this.origPageY = ev.pageY;
      } else {
        deltaX = ev.pageX - this.origPageX;
        deltaY = ev.pageY - this.origPageY;
      }
      return {
        origEvent: ev,
        isTouch: false,
        subjectEl: this.subjectEl,
        pageX: ev.pageX,
        pageY: ev.pageY,
        deltaX: deltaX,
        deltaY: deltaY,
      };
    };
    PointerDragging.prototype.createEventFromTouch = function (ev, isFirst) {
      var touches = ev.touches;
      var pageX;
      var pageY;
      var deltaX = 0;
      var deltaY = 0;
      // if touch coords available, prefer,
      // because FF would give bad ev.pageX ev.pageY
      if (touches && touches.length) {
        pageX = touches[0].pageX;
        pageY = touches[0].pageY;
      } else {
        pageX = ev.pageX;
        pageY = ev.pageY;
      }
      // TODO: repeat code
      if (isFirst) {
        this.origPageX = pageX;
        this.origPageY = pageY;
      } else {
        deltaX = pageX - this.origPageX;
        deltaY = pageY - this.origPageY;
      }
      return {
        origEvent: ev,
        isTouch: true,
        subjectEl: this.subjectEl,
        pageX: pageX,
        pageY: pageY,
        deltaX: deltaX,
        deltaY: deltaY,
      };
    };
    return PointerDragging;
  })();
  // Returns a boolean whether this was a left mouse click and no ctrl key (which means right click on Mac)
  function isPrimaryMouseButton(ev) {
    return ev.button === 0 && !ev.ctrlKey;
  }
  // Ignoring fake mouse events generated by touch
  // ----------------------------------------------------------------------------------------------------
  function startIgnoringMouse() {
    ignoreMouseDepth += 1;
    setTimeout(function () {
      ignoreMouseDepth -= 1;
    }, config.touchMouseIgnoreWait);
  }
  // We want to attach touchmove as early as possible for Safari
  // ----------------------------------------------------------------------------------------------------
  function listenerCreated() {
    listenerCnt += 1;
    if (listenerCnt === 1) {
      window.addEventListener('touchmove', onWindowTouchMove, { passive: false });
    }
  }
  function listenerDestroyed() {
    listenerCnt -= 1;
    if (!listenerCnt) {
      window.removeEventListener('touchmove', onWindowTouchMove, { passive: false });
    }
  }
  function onWindowTouchMove(ev) {
    if (isWindowTouchMoveCancelled) {
      ev.preventDefault();
    }
  }

  /*
    An effect in which an element follows the movement of a pointer across the screen.
    The moving element is a clone of some other element.
    Must call start + handleMove + stop.
    */
  var ElementMirror = /** @class */ (function () {
    function ElementMirror() {
      this.isVisible = false; // must be explicitly enabled
      this.sourceEl = null;
      this.mirrorEl = null;
      this.sourceElRect = null; // screen coords relative to viewport
      // options that can be set directly by caller
      this.parentNode = document.body; // HIGHLY SUGGESTED to set this to sidestep ShadowDOM issues
      this.zIndex = 9999;
      this.revertDuration = 0;
    }
    ElementMirror.prototype.start = function (sourceEl, pageX, pageY) {
      this.sourceEl = sourceEl;
      this.sourceElRect = this.sourceEl.getBoundingClientRect();
      this.origScreenX = pageX - window.pageXOffset;
      this.origScreenY = pageY - window.pageYOffset;
      this.deltaX = 0;
      this.deltaY = 0;
      this.updateElPosition();
    };
    ElementMirror.prototype.handleMove = function (pageX, pageY) {
      this.deltaX = pageX - window.pageXOffset - this.origScreenX;
      this.deltaY = pageY - window.pageYOffset - this.origScreenY;
      this.updateElPosition();
    };
    // can be called before start
    ElementMirror.prototype.setIsVisible = function (bool) {
      if (bool) {
        if (!this.isVisible) {
          if (this.mirrorEl) {
            this.mirrorEl.style.display = '';
          }
          this.isVisible = bool; // needs to happen before updateElPosition
          this.updateElPosition(); // because was not updating the position while invisible
        }
      } else if (this.isVisible) {
        if (this.mirrorEl) {
          this.mirrorEl.style.display = 'none';
        }
        this.isVisible = bool;
      }
    };
    // always async
    ElementMirror.prototype.stop = function (needsRevertAnimation, callback) {
      var _this = this;
      var done = function () {
        _this.cleanup();
        callback();
      };
      if (
        needsRevertAnimation &&
        this.mirrorEl &&
        this.isVisible &&
        this.revertDuration && // if 0, transition won't work
        (this.deltaX || this.deltaY) // if same coords, transition won't work
      ) {
        this.doRevertAnimation(done, this.revertDuration);
      } else {
        setTimeout(done, 0);
      }
    };
    ElementMirror.prototype.doRevertAnimation = function (callback, revertDuration) {
      var mirrorEl = this.mirrorEl;
      var finalSourceElRect = this.sourceEl.getBoundingClientRect(); // because autoscrolling might have happened
      mirrorEl.style.transition = 'top ' + revertDuration + 'ms,' + 'left ' + revertDuration + 'ms';
      applyStyle(mirrorEl, {
        left: finalSourceElRect.left,
        top: finalSourceElRect.top,
      });
      whenTransitionDone(mirrorEl, function () {
        mirrorEl.style.transition = '';
        callback();
      });
    };
    ElementMirror.prototype.cleanup = function () {
      if (this.mirrorEl) {
        removeElement(this.mirrorEl);
        this.mirrorEl = null;
      }
      this.sourceEl = null;
    };
    ElementMirror.prototype.updateElPosition = function () {
      if (this.sourceEl && this.isVisible) {
        applyStyle(this.getMirrorEl(), {
          left: this.sourceElRect.left + this.deltaX,
          top: this.sourceElRect.top + this.deltaY,
        });
      }
    };
    ElementMirror.prototype.getMirrorEl = function () {
      var sourceElRect = this.sourceElRect;
      var mirrorEl = this.mirrorEl;
      if (!mirrorEl) {
        mirrorEl = this.mirrorEl = this.sourceEl.cloneNode(true); // cloneChildren=true
        // we don't want long taps or any mouse interaction causing selection/menus.
        // would use preventSelection(), but that prevents selectstart, causing problems.
        mirrorEl.classList.add('fc-unselectable');
        mirrorEl.classList.add('fc-event-dragging');
        applyStyle(mirrorEl, {
          position: 'fixed',
          zIndex: this.zIndex,
          visibility: '',
          boxSizing: 'border-box',
          width: sourceElRect.right - sourceElRect.left,
          height: sourceElRect.bottom - sourceElRect.top,
          right: 'auto',
          bottom: 'auto',
          margin: 0,
        });
        this.parentNode.appendChild(mirrorEl);
      }
      return mirrorEl;
    };
    return ElementMirror;
  })();

  /*
    Is a cache for a given element's scroll information (all the info that ScrollController stores)
    in addition the "client rectangle" of the element.. the area within the scrollbars.

    The cache can be in one of two modes:
    - doesListening:false - ignores when the container is scrolled by someone else
    - doesListening:true - watch for scrolling and update the cache
    */
  var ScrollGeomCache = /** @class */ (function (_super) {
    __extends(ScrollGeomCache, _super);
    function ScrollGeomCache(scrollController, doesListening) {
      var _this = _super.call(this) || this;
      _this.handleScroll = function () {
        _this.scrollTop = _this.scrollController.getScrollTop();
        _this.scrollLeft = _this.scrollController.getScrollLeft();
        _this.handleScrollChange();
      };
      _this.scrollController = scrollController;
      _this.doesListening = doesListening;
      _this.scrollTop = _this.origScrollTop = scrollController.getScrollTop();
      _this.scrollLeft = _this.origScrollLeft = scrollController.getScrollLeft();
      _this.scrollWidth = scrollController.getScrollWidth();
      _this.scrollHeight = scrollController.getScrollHeight();
      _this.clientWidth = scrollController.getClientWidth();
      _this.clientHeight = scrollController.getClientHeight();
      _this.clientRect = _this.computeClientRect(); // do last in case it needs cached values
      if (_this.doesListening) {
        _this.getEventTarget().addEventListener('scroll', _this.handleScroll);
      }
      return _this;
    }
    ScrollGeomCache.prototype.destroy = function () {
      if (this.doesListening) {
        this.getEventTarget().removeEventListener('scroll', this.handleScroll);
      }
    };
    ScrollGeomCache.prototype.getScrollTop = function () {
      return this.scrollTop;
    };
    ScrollGeomCache.prototype.getScrollLeft = function () {
      return this.scrollLeft;
    };
    ScrollGeomCache.prototype.setScrollTop = function (top) {
      this.scrollController.setScrollTop(top);
      if (!this.doesListening) {
        // we are not relying on the element to normalize out-of-bounds scroll values
        // so we need to sanitize ourselves
        this.scrollTop = Math.max(Math.min(top, this.getMaxScrollTop()), 0);
        this.handleScrollChange();
      }
    };
    ScrollGeomCache.prototype.setScrollLeft = function (top) {
      this.scrollController.setScrollLeft(top);
      if (!this.doesListening) {
        // we are not relying on the element to normalize out-of-bounds scroll values
        // so we need to sanitize ourselves
        this.scrollLeft = Math.max(Math.min(top, this.getMaxScrollLeft()), 0);
        this.handleScrollChange();
      }
    };
    ScrollGeomCache.prototype.getClientWidth = function () {
      return this.clientWidth;
    };
    ScrollGeomCache.prototype.getClientHeight = function () {
      return this.clientHeight;
    };
    ScrollGeomCache.prototype.getScrollWidth = function () {
      return this.scrollWidth;
    };
    ScrollGeomCache.prototype.getScrollHeight = function () {
      return this.scrollHeight;
    };
    ScrollGeomCache.prototype.handleScrollChange = function () {};
    return ScrollGeomCache;
  })(ScrollController);

  var ElementScrollGeomCache = /** @class */ (function (_super) {
    __extends(ElementScrollGeomCache, _super);
    function ElementScrollGeomCache(el, doesListening) {
      return _super.call(this, new ElementScrollController(el), doesListening) || this;
    }
    ElementScrollGeomCache.prototype.getEventTarget = function () {
      return this.scrollController.el;
    };
    ElementScrollGeomCache.prototype.computeClientRect = function () {
      return computeInnerRect(this.scrollController.el);
    };
    return ElementScrollGeomCache;
  })(ScrollGeomCache);

  var WindowScrollGeomCache = /** @class */ (function (_super) {
    __extends(WindowScrollGeomCache, _super);
    function WindowScrollGeomCache(doesListening) {
      return _super.call(this, new WindowScrollController(), doesListening) || this;
    }
    WindowScrollGeomCache.prototype.getEventTarget = function () {
      return window;
    };
    WindowScrollGeomCache.prototype.computeClientRect = function () {
      return {
        left: this.scrollLeft,
        right: this.scrollLeft + this.clientWidth,
        top: this.scrollTop,
        bottom: this.scrollTop + this.clientHeight,
      };
    };
    // the window is the only scroll object that changes it's rectangle relative
    // to the document's topleft as it scrolls
    WindowScrollGeomCache.prototype.handleScrollChange = function () {
      this.clientRect = this.computeClientRect();
    };
    return WindowScrollGeomCache;
  })(ScrollGeomCache);

  // If available we are using native "performance" API instead of "Date"
  // Read more about it on MDN:
  // https://developer.mozilla.org/en-US/docs/Web/API/Performance
  var getTime = typeof performance === 'function' ? performance.now : Date.now;
  /*
    For a pointer interaction, automatically scrolls certain scroll containers when the pointer
    approaches the edge.

    The caller must call start + handleMove + stop.
    */
  var AutoScroller = /** @class */ (function () {
    function AutoScroller() {
      var _this = this;
      // options that can be set by caller
      this.isEnabled = true;
      this.scrollQuery = [window, '.fc-scroller'];
      this.edgeThreshold = 50; // pixels
      this.maxVelocity = 300; // pixels per second
      // internal state
      this.pointerScreenX = null;
      this.pointerScreenY = null;
      this.isAnimating = false;
      this.scrollCaches = null;
      // protect against the initial pointerdown being too close to an edge and starting the scroll
      this.everMovedUp = false;
      this.everMovedDown = false;
      this.everMovedLeft = false;
      this.everMovedRight = false;
      this.animate = function () {
        if (_this.isAnimating) {
          // wasn't cancelled between animation calls
          var edge = _this.computeBestEdge(_this.pointerScreenX + window.pageXOffset, _this.pointerScreenY + window.pageYOffset);
          if (edge) {
            var now = getTime();
            _this.handleSide(edge, (now - _this.msSinceRequest) / 1000);
            _this.requestAnimation(now);
          } else {
            _this.isAnimating = false; // will stop animation
          }
        }
      };
    }
    AutoScroller.prototype.start = function (pageX, pageY, scrollStartEl) {
      if (this.isEnabled) {
        this.scrollCaches = this.buildCaches(scrollStartEl);
        this.pointerScreenX = null;
        this.pointerScreenY = null;
        this.everMovedUp = false;
        this.everMovedDown = false;
        this.everMovedLeft = false;
        this.everMovedRight = false;
        this.handleMove(pageX, pageY);
      }
    };
    AutoScroller.prototype.handleMove = function (pageX, pageY) {
      if (this.isEnabled) {
        var pointerScreenX = pageX - window.pageXOffset;
        var pointerScreenY = pageY - window.pageYOffset;
        var yDelta = this.pointerScreenY === null ? 0 : pointerScreenY - this.pointerScreenY;
        var xDelta = this.pointerScreenX === null ? 0 : pointerScreenX - this.pointerScreenX;
        if (yDelta < 0) {
          this.everMovedUp = true;
        } else if (yDelta > 0) {
          this.everMovedDown = true;
        }
        if (xDelta < 0) {
          this.everMovedLeft = true;
        } else if (xDelta > 0) {
          this.everMovedRight = true;
        }
        this.pointerScreenX = pointerScreenX;
        this.pointerScreenY = pointerScreenY;
        if (!this.isAnimating) {
          this.isAnimating = true;
          this.requestAnimation(getTime());
        }
      }
    };
    AutoScroller.prototype.stop = function () {
      if (this.isEnabled) {
        this.isAnimating = false; // will stop animation
        for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
          var scrollCache = _a[_i];
          scrollCache.destroy();
        }
        this.scrollCaches = null;
      }
    };
    AutoScroller.prototype.requestAnimation = function (now) {
      this.msSinceRequest = now;
      requestAnimationFrame(this.animate);
    };
    AutoScroller.prototype.handleSide = function (edge, seconds) {
      var scrollCache = edge.scrollCache;
      var edgeThreshold = this.edgeThreshold;
      var invDistance = edgeThreshold - edge.distance;
      var velocity = // the closer to the edge, the faster we scroll
        ((invDistance * invDistance) / (edgeThreshold * edgeThreshold)) * // quadratic
        this.maxVelocity *
        seconds;
      var sign = 1;
      switch (edge.name) {
        case 'left':
          sign = -1;
        // falls through
        case 'right':
          scrollCache.setScrollLeft(scrollCache.getScrollLeft() + velocity * sign);
          break;
        case 'top':
          sign = -1;
        // falls through
        case 'bottom':
          scrollCache.setScrollTop(scrollCache.getScrollTop() + velocity * sign);
          break;
      }
    };
    // left/top are relative to document topleft
    AutoScroller.prototype.computeBestEdge = function (left, top) {
      var edgeThreshold = this.edgeThreshold;
      var bestSide = null;
      var scrollCaches = this.scrollCaches || [];
      for (var _i = 0, scrollCaches_1 = scrollCaches; _i < scrollCaches_1.length; _i++) {
        var scrollCache = scrollCaches_1[_i];
        var rect = scrollCache.clientRect;
        var leftDist = left - rect.left;
        var rightDist = rect.right - left;
        var topDist = top - rect.top;
        var bottomDist = rect.bottom - top;
        // completely within the rect?
        if (leftDist >= 0 && rightDist >= 0 && topDist >= 0 && bottomDist >= 0) {
          if (topDist <= edgeThreshold && this.everMovedUp && scrollCache.canScrollUp() && (!bestSide || bestSide.distance > topDist)) {
            bestSide = { scrollCache: scrollCache, name: 'top', distance: topDist };
          }
          if (bottomDist <= edgeThreshold && this.everMovedDown && scrollCache.canScrollDown() && (!bestSide || bestSide.distance > bottomDist)) {
            bestSide = { scrollCache: scrollCache, name: 'bottom', distance: bottomDist };
          }
          if (leftDist <= edgeThreshold && this.everMovedLeft && scrollCache.canScrollLeft() && (!bestSide || bestSide.distance > leftDist)) {
            bestSide = { scrollCache: scrollCache, name: 'left', distance: leftDist };
          }
          if (rightDist <= edgeThreshold && this.everMovedRight && scrollCache.canScrollRight() && (!bestSide || bestSide.distance > rightDist)) {
            bestSide = { scrollCache: scrollCache, name: 'right', distance: rightDist };
          }
        }
      }
      return bestSide;
    };
    AutoScroller.prototype.buildCaches = function (scrollStartEl) {
      return this.queryScrollEls(scrollStartEl).map(function (el) {
        if (el === window) {
          return new WindowScrollGeomCache(false); // false = don't listen to user-generated scrolls
        }
        return new ElementScrollGeomCache(el, false); // false = don't listen to user-generated scrolls
      });
    };
    AutoScroller.prototype.queryScrollEls = function (scrollStartEl) {
      var els = [];
      for (var _i = 0, _a = this.scrollQuery; _i < _a.length; _i++) {
        var query = _a[_i];
        if (typeof query === 'object') {
          els.push(query);
        } else {
          els.push.apply(els, Array.prototype.slice.call(getElRoot(scrollStartEl).querySelectorAll(query)));
        }
      }
      return els;
    };
    return AutoScroller;
  })();

  /*
    Monitors dragging on an element. Has a number of high-level features:
    - minimum distance required before dragging
    - minimum wait time ("delay") before dragging
    - a mirror element that follows the pointer
    */
  var FeaturefulElementDragging = /** @class */ (function (_super) {
    __extends(FeaturefulElementDragging, _super);
    function FeaturefulElementDragging(containerEl, selector) {
      var _this = _super.call(this, containerEl) || this;
      _this.containerEl = containerEl;
      // options that can be directly set by caller
      // the caller can also set the PointerDragging's options as well
      _this.delay = null;
      _this.minDistance = 0;
      _this.touchScrollAllowed = true; // prevents drag from starting and blocks scrolling during drag
      _this.mirrorNeedsRevert = false;
      _this.isInteracting = false; // is the user validly moving the pointer? lasts until pointerup
      _this.isDragging = false; // is it INTENTFULLY dragging? lasts until after revert animation
      _this.isDelayEnded = false;
      _this.isDistanceSurpassed = false;
      _this.delayTimeoutId = null;
      _this.onPointerDown = function (ev) {
        if (!_this.isDragging) {
          // so new drag doesn't happen while revert animation is going
          _this.isInteracting = true;
          _this.isDelayEnded = false;
          _this.isDistanceSurpassed = false;
          preventSelection(document.body);
          preventContextMenu(document.body);
          // prevent links from being visited if there's an eventual drag.
          // also prevents selection in older browsers (maybe?).
          // not necessary for touch, besides, browser would complain about passiveness.
          if (!ev.isTouch) {
            ev.origEvent.preventDefault();
          }
          _this.emitter.trigger('pointerdown', ev);
          if (
            _this.isInteracting && // not destroyed via pointerdown handler
            !_this.pointer.shouldIgnoreMove
          ) {
            // actions related to initiating dragstart+dragmove+dragend...
            _this.mirror.setIsVisible(false); // reset. caller must set-visible
            _this.mirror.start(ev.subjectEl, ev.pageX, ev.pageY); // must happen on first pointer down
            _this.startDelay(ev);
            if (!_this.minDistance) {
              _this.handleDistanceSurpassed(ev);
            }
          }
        }
      };
      _this.onPointerMove = function (ev) {
        if (_this.isInteracting) {
          _this.emitter.trigger('pointermove', ev);
          if (!_this.isDistanceSurpassed) {
            var minDistance = _this.minDistance;
            var distanceSq = void 0; // current distance from the origin, squared
            var deltaX = ev.deltaX,
              deltaY = ev.deltaY;
            distanceSq = deltaX * deltaX + deltaY * deltaY;
            if (distanceSq >= minDistance * minDistance) {
              // use pythagorean theorem
              _this.handleDistanceSurpassed(ev);
            }
          }
          if (_this.isDragging) {
            // a real pointer move? (not one simulated by scrolling)
            if (ev.origEvent.type !== 'scroll') {
              _this.mirror.handleMove(ev.pageX, ev.pageY);
              _this.autoScroller.handleMove(ev.pageX, ev.pageY);
            }
            _this.emitter.trigger('dragmove', ev);
          }
        }
      };
      _this.onPointerUp = function (ev) {
        if (_this.isInteracting) {
          _this.isInteracting = false;
          allowSelection(document.body);
          allowContextMenu(document.body);
          _this.emitter.trigger('pointerup', ev); // can potentially set mirrorNeedsRevert
          if (_this.isDragging) {
            _this.autoScroller.stop();
            _this.tryStopDrag(ev); // which will stop the mirror
          }
          if (_this.delayTimeoutId) {
            clearTimeout(_this.delayTimeoutId);
            _this.delayTimeoutId = null;
          }
        }
      };
      var pointer = (_this.pointer = new PointerDragging(containerEl));
      pointer.emitter.on('pointerdown', _this.onPointerDown);
      pointer.emitter.on('pointermove', _this.onPointerMove);
      pointer.emitter.on('pointerup', _this.onPointerUp);
      if (selector) {
        pointer.selector = selector;
      }
      _this.mirror = new ElementMirror();
      _this.autoScroller = new AutoScroller();
      return _this;
    }
    FeaturefulElementDragging.prototype.destroy = function () {
      this.pointer.destroy();
      // HACK: simulate a pointer-up to end the current drag
      // TODO: fire 'dragend' directly and stop interaction. discourage use of pointerup event (b/c might not fire)
      this.onPointerUp({});
    };
    FeaturefulElementDragging.prototype.startDelay = function (ev) {
      var _this = this;
      if (typeof this.delay === 'number') {
        this.delayTimeoutId = setTimeout(function () {
          _this.delayTimeoutId = null;
          _this.handleDelayEnd(ev);
        }, this.delay); // not assignable to number!
      } else {
        this.handleDelayEnd(ev);
      }
    };
    FeaturefulElementDragging.prototype.handleDelayEnd = function (ev) {
      this.isDelayEnded = true;
      this.tryStartDrag(ev);
    };
    FeaturefulElementDragging.prototype.handleDistanceSurpassed = function (ev) {
      this.isDistanceSurpassed = true;
      this.tryStartDrag(ev);
    };
    FeaturefulElementDragging.prototype.tryStartDrag = function (ev) {
      if (this.isDelayEnded && this.isDistanceSurpassed) {
        if (!this.pointer.wasTouchScroll || this.touchScrollAllowed) {
          this.isDragging = true;
          this.mirrorNeedsRevert = false;
          this.autoScroller.start(ev.pageX, ev.pageY, this.containerEl);
          this.emitter.trigger('dragstart', ev);
          if (this.touchScrollAllowed === false) {
            this.pointer.cancelTouchScroll();
          }
        }
      }
    };
    FeaturefulElementDragging.prototype.tryStopDrag = function (ev) {
      // .stop() is ALWAYS asynchronous, which we NEED because we want all pointerup events
      // that come from the document to fire beforehand. much more convenient this way.
      this.mirror.stop(this.mirrorNeedsRevert, this.stopDrag.bind(this, ev));
    };
    FeaturefulElementDragging.prototype.stopDrag = function (ev) {
      this.isDragging = false;
      this.emitter.trigger('dragend', ev);
    };
    // fill in the implementations...
    FeaturefulElementDragging.prototype.setIgnoreMove = function (bool) {
      this.pointer.shouldIgnoreMove = bool;
    };
    FeaturefulElementDragging.prototype.setMirrorIsVisible = function (bool) {
      this.mirror.setIsVisible(bool);
    };
    FeaturefulElementDragging.prototype.setMirrorNeedsRevert = function (bool) {
      this.mirrorNeedsRevert = bool;
    };
    FeaturefulElementDragging.prototype.setAutoScrollEnabled = function (bool) {
      this.autoScroller.isEnabled = bool;
    };
    return FeaturefulElementDragging;
  })(ElementDragging);

  /*
    When this class is instantiated, it records the offset of an element (relative to the document topleft),
    and continues to monitor scrolling, updating the cached coordinates if it needs to.
    Does not access the DOM after instantiation, so highly performant.

    Also keeps track of all scrolling/overflow:hidden containers that are parents of the given element
    and an determine if a given point is inside the combined clipping rectangle.
    */
  var OffsetTracker = /** @class */ (function () {
    function OffsetTracker(el) {
      this.origRect = computeRect(el);
      // will work fine for divs that have overflow:hidden
      this.scrollCaches = getClippingParents(el).map(function (scrollEl) {
        return new ElementScrollGeomCache(scrollEl, true);
      });
    }
    OffsetTracker.prototype.destroy = function () {
      for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
        var scrollCache = _a[_i];
        scrollCache.destroy();
      }
    };
    OffsetTracker.prototype.computeLeft = function () {
      var left = this.origRect.left;
      for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
        var scrollCache = _a[_i];
        left += scrollCache.origScrollLeft - scrollCache.getScrollLeft();
      }
      return left;
    };
    OffsetTracker.prototype.computeTop = function () {
      var top = this.origRect.top;
      for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
        var scrollCache = _a[_i];
        top += scrollCache.origScrollTop - scrollCache.getScrollTop();
      }
      return top;
    };
    OffsetTracker.prototype.isWithinClipping = function (pageX, pageY) {
      var point = { left: pageX, top: pageY };
      for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
        var scrollCache = _a[_i];
        if (!isIgnoredClipping(scrollCache.getEventTarget()) && !pointInsideRect(point, scrollCache.clientRect)) {
          return false;
        }
      }
      return true;
    };
    return OffsetTracker;
  })();
  // certain clipping containers should never constrain interactions, like <html> and <body>
  // https://github.com/fullcalendar/fullcalendar/issues/3615
  function isIgnoredClipping(node) {
    var tagName = node.tagName;
    return tagName === 'HTML' || tagName === 'BODY';
  }

  /*
    Tracks movement over multiple droppable areas (aka "hits")
    that exist in one or more DateComponents.
    Relies on an existing draggable.

    emits:
    - pointerdown
    - dragstart
    - hitchange - fires initially, even if not over a hit
    - pointerup
    - (hitchange - again, to null, if ended over a hit)
    - dragend
    */
  var HitDragging = /** @class */ (function () {
    function HitDragging(dragging, droppableStore) {
      var _this = this;
      // options that can be set by caller
      this.useSubjectCenter = false;
      this.requireInitial = true; // if doesn't start out on a hit, won't emit any events
      this.initialHit = null;
      this.movingHit = null;
      this.finalHit = null; // won't ever be populated if shouldIgnoreMove
      this.handlePointerDown = function (ev) {
        var dragging = _this.dragging;
        _this.initialHit = null;
        _this.movingHit = null;
        _this.finalHit = null;
        _this.prepareHits();
        _this.processFirstCoord(ev);
        if (_this.initialHit || !_this.requireInitial) {
          dragging.setIgnoreMove(false);
          // TODO: fire this before computing processFirstCoord, so listeners can cancel. this gets fired by almost every handler :(
          _this.emitter.trigger('pointerdown', ev);
        } else {
          dragging.setIgnoreMove(true);
        }
      };
      this.handleDragStart = function (ev) {
        _this.emitter.trigger('dragstart', ev);
        _this.handleMove(ev, true); // force = fire even if initially null
      };
      this.handleDragMove = function (ev) {
        _this.emitter.trigger('dragmove', ev);
        _this.handleMove(ev);
      };
      this.handlePointerUp = function (ev) {
        _this.releaseHits();
        _this.emitter.trigger('pointerup', ev);
      };
      this.handleDragEnd = function (ev) {
        if (_this.movingHit) {
          _this.emitter.trigger('hitupdate', null, true, ev);
        }
        _this.finalHit = _this.movingHit;
        _this.movingHit = null;
        _this.emitter.trigger('dragend', ev);
      };
      this.droppableStore = droppableStore;
      dragging.emitter.on('pointerdown', this.handlePointerDown);
      dragging.emitter.on('dragstart', this.handleDragStart);
      dragging.emitter.on('dragmove', this.handleDragMove);
      dragging.emitter.on('pointerup', this.handlePointerUp);
      dragging.emitter.on('dragend', this.handleDragEnd);
      this.dragging = dragging;
      this.emitter = new Emitter();
    }
    // sets initialHit
    // sets coordAdjust
    HitDragging.prototype.processFirstCoord = function (ev) {
      var origPoint = { left: ev.pageX, top: ev.pageY };
      var adjustedPoint = origPoint;
      var subjectEl = ev.subjectEl;
      var subjectRect;
      if (subjectEl instanceof HTMLElement) {
        // i.e. not a Document/ShadowRoot
        subjectRect = computeRect(subjectEl);
        adjustedPoint = constrainPoint(adjustedPoint, subjectRect);
      }
      var initialHit = (this.initialHit = this.queryHitForOffset(adjustedPoint.left, adjustedPoint.top));
      if (initialHit) {
        if (this.useSubjectCenter && subjectRect) {
          var slicedSubjectRect = intersectRects(subjectRect, initialHit.rect);
          if (slicedSubjectRect) {
            adjustedPoint = getRectCenter(slicedSubjectRect);
          }
        }
        this.coordAdjust = diffPoints(adjustedPoint, origPoint);
      } else {
        this.coordAdjust = { left: 0, top: 0 };
      }
    };
    HitDragging.prototype.handleMove = function (ev, forceHandle) {
      var hit = this.queryHitForOffset(ev.pageX + this.coordAdjust.left, ev.pageY + this.coordAdjust.top);
      if (forceHandle || !isHitsEqual(this.movingHit, hit)) {
        this.movingHit = hit;
        this.emitter.trigger('hitupdate', hit, false, ev);
      }
    };
    HitDragging.prototype.prepareHits = function () {
      this.offsetTrackers = mapHash(this.droppableStore, function (interactionSettings) {
        interactionSettings.component.prepareHits();
        return new OffsetTracker(interactionSettings.el);
      });
    };
    HitDragging.prototype.releaseHits = function () {
      var offsetTrackers = this.offsetTrackers;
      for (var id in offsetTrackers) {
        offsetTrackers[id].destroy();
      }
      this.offsetTrackers = {};
    };
    HitDragging.prototype.queryHitForOffset = function (offsetLeft, offsetTop) {
      var _a = this,
        droppableStore = _a.droppableStore,
        offsetTrackers = _a.offsetTrackers;
      var bestHit = null;
      for (var id in droppableStore) {
        var component = droppableStore[id].component;
        var offsetTracker = offsetTrackers[id];
        if (
          offsetTracker && // wasn't destroyed mid-drag
          offsetTracker.isWithinClipping(offsetLeft, offsetTop)
        ) {
          var originLeft = offsetTracker.computeLeft();
          var originTop = offsetTracker.computeTop();
          var positionLeft = offsetLeft - originLeft;
          var positionTop = offsetTop - originTop;
          var origRect = offsetTracker.origRect;
          var width = origRect.right - origRect.left;
          var height = origRect.bottom - origRect.top;
          if (
            // must be within the element's bounds
            positionLeft >= 0 &&
            positionLeft < width &&
            positionTop >= 0 &&
            positionTop < height
          ) {
            var hit = component.queryHit(positionLeft, positionTop, width, height);
            if (
              hit &&
              // make sure the hit is within activeRange, meaning it's not a dead cell
              rangeContainsRange(hit.dateProfile.activeRange, hit.dateSpan.range) &&
              (!bestHit || hit.layer > bestHit.layer)
            ) {
              hit.componentId = id;
              hit.context = component.context;
              // TODO: better way to re-orient rectangle
              hit.rect.left += originLeft;
              hit.rect.right += originLeft;
              hit.rect.top += originTop;
              hit.rect.bottom += originTop;
              bestHit = hit;
            }
          }
        }
      }
      return bestHit;
    };
    return HitDragging;
  })();
  function isHitsEqual(hit0, hit1) {
    if (!hit0 && !hit1) {
      return true;
    }
    if (Boolean(hit0) !== Boolean(hit1)) {
      return false;
    }
    return isDateSpansEqual(hit0.dateSpan, hit1.dateSpan);
  }

  function buildDatePointApiWithContext(dateSpan, context) {
    var props = {};
    for (var _i = 0, _a = context.pluginHooks.datePointTransforms; _i < _a.length; _i++) {
      var transform = _a[_i];
      __assign(props, transform(dateSpan, context));
    }
    __assign(props, buildDatePointApi(dateSpan, context.dateEnv));
    return props;
  }
  function buildDatePointApi(span, dateEnv) {
    return {
      date: dateEnv.toDate(span.range.start),
      dateStr: dateEnv.formatIso(span.range.start, { omitTime: span.allDay }),
      allDay: span.allDay,
    };
  }

  /*
    Monitors when the user clicks on a specific date/time of a component.
    A pointerdown+pointerup on the same "hit" constitutes a click.
    */
  var DateClicking = /** @class */ (function (_super) {
    __extends(DateClicking, _super);
    function DateClicking(settings) {
      var _this = _super.call(this, settings) || this;
      _this.handlePointerDown = function (pev) {
        var dragging = _this.dragging;
        var downEl = pev.origEvent.target;
        // do this in pointerdown (not dragend) because DOM might be mutated by the time dragend is fired
        dragging.setIgnoreMove(!_this.component.isValidDateDownEl(downEl));
      };
      // won't even fire if moving was ignored
      _this.handleDragEnd = function (ev) {
        var component = _this.component;
        var pointer = _this.dragging.pointer;
        if (!pointer.wasTouchScroll) {
          var _a = _this.hitDragging,
            initialHit = _a.initialHit,
            finalHit = _a.finalHit;
          if (initialHit && finalHit && isHitsEqual(initialHit, finalHit)) {
            var context = component.context;
            var arg = __assign(__assign({}, buildDatePointApiWithContext(initialHit.dateSpan, context)), {
              dayEl: initialHit.dayEl,
              jsEvent: ev.origEvent,
              view: context.viewApi || context.calendarApi.view,
            });
            context.emitter.trigger('dateClick', arg);
          }
        }
      };
      // we DO want to watch pointer moves because otherwise finalHit won't get populated
      _this.dragging = new FeaturefulElementDragging(settings.el);
      _this.dragging.autoScroller.isEnabled = false;
      var hitDragging = (_this.hitDragging = new HitDragging(_this.dragging, interactionSettingsToStore(settings)));
      hitDragging.emitter.on('pointerdown', _this.handlePointerDown);
      hitDragging.emitter.on('dragend', _this.handleDragEnd);
      return _this;
    }
    DateClicking.prototype.destroy = function () {
      this.dragging.destroy();
    };
    return DateClicking;
  })(Interaction);

  /*
    Tracks when the user selects a portion of time of a component,
    constituted by a drag over date cells, with a possible delay at the beginning of the drag.
    */
  var DateSelecting = /** @class */ (function (_super) {
    __extends(DateSelecting, _super);
    function DateSelecting(settings) {
      var _this = _super.call(this, settings) || this;
      _this.dragSelection = null;
      _this.handlePointerDown = function (ev) {
        var _a = _this,
          component = _a.component,
          dragging = _a.dragging;
        var options = component.context.options;
        var canSelect = options.selectable && component.isValidDateDownEl(ev.origEvent.target);
        // don't bother to watch expensive moves if component won't do selection
        dragging.setIgnoreMove(!canSelect);
        // if touch, require user to hold down
        dragging.delay = ev.isTouch ? getComponentTouchDelay$1(component) : null;
      };
      _this.handleDragStart = function (ev) {
        _this.component.context.calendarApi.unselect(ev); // unselect previous selections
      };
      _this.handleHitUpdate = function (hit, isFinal) {
        var context = _this.component.context;
        var dragSelection = null;
        var isInvalid = false;
        if (hit) {
          var initialHit = _this.hitDragging.initialHit;
          var disallowed = hit.componentId === initialHit.componentId && _this.isHitComboAllowed && !_this.isHitComboAllowed(initialHit, hit);
          if (!disallowed) {
            dragSelection = joinHitsIntoSelection(initialHit, hit, context.pluginHooks.dateSelectionTransformers);
          }
          if (!dragSelection || !isDateSelectionValid(dragSelection, hit.dateProfile, context)) {
            isInvalid = true;
            dragSelection = null;
          }
        }
        if (dragSelection) {
          context.dispatch({ type: 'SELECT_DATES', selection: dragSelection });
        } else if (!isFinal) {
          // only unselect if moved away while dragging
          context.dispatch({ type: 'UNSELECT_DATES' });
        }
        if (!isInvalid) {
          enableCursor();
        } else {
          disableCursor();
        }
        if (!isFinal) {
          _this.dragSelection = dragSelection; // only clear if moved away from all hits while dragging
        }
      };
      _this.handlePointerUp = function (pev) {
        if (_this.dragSelection) {
          // selection is already rendered, so just need to report selection
          triggerDateSelect(_this.dragSelection, pev, _this.component.context);
          _this.dragSelection = null;
        }
      };
      var component = settings.component;
      var options = component.context.options;
      var dragging = (_this.dragging = new FeaturefulElementDragging(settings.el));
      dragging.touchScrollAllowed = false;
      dragging.minDistance = options.selectMinDistance || 0;
      dragging.autoScroller.isEnabled = options.dragScroll;
      var hitDragging = (_this.hitDragging = new HitDragging(_this.dragging, interactionSettingsToStore(settings)));
      hitDragging.emitter.on('pointerdown', _this.handlePointerDown);
      hitDragging.emitter.on('dragstart', _this.handleDragStart);
      hitDragging.emitter.on('hitupdate', _this.handleHitUpdate);
      hitDragging.emitter.on('pointerup', _this.handlePointerUp);
      return _this;
    }
    DateSelecting.prototype.destroy = function () {
      this.dragging.destroy();
    };
    return DateSelecting;
  })(Interaction);
  function getComponentTouchDelay$1(component) {
    var options = component.context.options;
    var delay = options.selectLongPressDelay;
    if (delay == null) {
      delay = options.longPressDelay;
    }
    return delay;
  }
  function joinHitsIntoSelection(hit0, hit1, dateSelectionTransformers) {
    var dateSpan0 = hit0.dateSpan;
    var dateSpan1 = hit1.dateSpan;
    var ms = [dateSpan0.range.start, dateSpan0.range.end, dateSpan1.range.start, dateSpan1.range.end];
    ms.sort(compareNumbers);
    var props = {};
    for (var _i = 0, dateSelectionTransformers_1 = dateSelectionTransformers; _i < dateSelectionTransformers_1.length; _i++) {
      var transformer = dateSelectionTransformers_1[_i];
      var res = transformer(hit0, hit1);
      if (res === false) {
        return null;
      }
      if (res) {
        __assign(props, res);
      }
    }
    props.range = { start: ms[0], end: ms[3] };
    props.allDay = dateSpan0.allDay;
    return props;
  }

  var EventDragging = /** @class */ (function (_super) {
    __extends(EventDragging, _super);
    function EventDragging(settings) {
      var _this = _super.call(this, settings) || this;
      // internal state
      _this.subjectEl = null;
      _this.subjectSeg = null; // the seg being selected/dragged
      _this.isDragging = false;
      _this.eventRange = null;
      _this.relevantEvents = null; // the events being dragged
      _this.receivingContext = null;
      _this.validMutation = null;
      _this.mutatedRelevantEvents = null;
      _this.handlePointerDown = function (ev) {
        var origTarget = ev.origEvent.target;
        var _a = _this,
          component = _a.component,
          dragging = _a.dragging;
        var mirror = dragging.mirror;
        var options = component.context.options;
        var initialContext = component.context;
        _this.subjectEl = ev.subjectEl;
        var subjectSeg = (_this.subjectSeg = getElSeg(ev.subjectEl));
        var eventRange = (_this.eventRange = subjectSeg.eventRange);
        var eventInstanceId = eventRange.instance.instanceId;
        _this.relevantEvents = getRelevantEvents(initialContext.getCurrentData().eventStore, eventInstanceId);
        dragging.minDistance = ev.isTouch ? 0 : options.eventDragMinDistance;
        dragging.delay =
          // only do a touch delay if touch and this event hasn't been selected yet
          ev.isTouch && eventInstanceId !== component.props.eventSelection ? getComponentTouchDelay(component) : null;
        if (options.fixedMirrorParent) {
          mirror.parentNode = options.fixedMirrorParent;
        } else {
          mirror.parentNode = elementClosest(origTarget, '.fc');
        }
        mirror.revertDuration = options.dragRevertDuration;
        var isValid = component.isValidSegDownEl(origTarget) && !elementClosest(origTarget, '.fc-event-resizer'); // NOT on a resizer
        dragging.setIgnoreMove(!isValid);
        // disable dragging for elements that are resizable (ie, selectable)
        // but are not draggable
        _this.isDragging = isValid && ev.subjectEl.classList.contains('fc-event-draggable');
      };
      _this.handleDragStart = function (ev) {
        var initialContext = _this.component.context;
        var eventRange = _this.eventRange;
        var eventInstanceId = eventRange.instance.instanceId;
        if (ev.isTouch) {
          // need to select a different event?
          if (eventInstanceId !== _this.component.props.eventSelection) {
            initialContext.dispatch({ type: 'SELECT_EVENT', eventInstanceId: eventInstanceId });
          }
        } else {
          // if now using mouse, but was previous touch interaction, clear selected event
          initialContext.dispatch({ type: 'UNSELECT_EVENT' });
        }
        if (_this.isDragging) {
          initialContext.calendarApi.unselect(ev); // unselect *date* selection
          initialContext.emitter.trigger('eventDragStart', {
            el: _this.subjectEl,
            event: new EventApi(initialContext, eventRange.def, eventRange.instance),
            jsEvent: ev.origEvent,
            view: initialContext.viewApi,
          });
        }
      };
      _this.handleHitUpdate = function (hit, isFinal) {
        if (!_this.isDragging) {
          return;
        }
        var relevantEvents = _this.relevantEvents;
        var initialHit = _this.hitDragging.initialHit;
        var initialContext = _this.component.context;
        // states based on new hit
        var receivingContext = null;
        var mutation = null;
        var mutatedRelevantEvents = null;
        var isInvalid = false;
        var interaction = {
          affectedEvents: relevantEvents,
          mutatedEvents: createEmptyEventStore(),
          isEvent: true,
        };
        if (hit) {
          receivingContext = hit.context;
          var receivingOptions = receivingContext.options;
          if (initialContext === receivingContext || (receivingOptions.editable && receivingOptions.droppable)) {
            mutation = computeEventMutation(initialHit, hit, receivingContext.getCurrentData().pluginHooks.eventDragMutationMassagers);
            if (mutation) {
              mutatedRelevantEvents = applyMutationToEventStore(relevantEvents, receivingContext.getCurrentData().eventUiBases, mutation, receivingContext);
              interaction.mutatedEvents = mutatedRelevantEvents;
              if (!isInteractionValid(interaction, hit.dateProfile, receivingContext)) {
                isInvalid = true;
                mutation = null;
                mutatedRelevantEvents = null;
                interaction.mutatedEvents = createEmptyEventStore();
              }
            }
          } else {
            receivingContext = null;
          }
        }
        _this.displayDrag(receivingContext, interaction);
        if (!isInvalid) {
          enableCursor();
        } else {
          disableCursor();
        }
        if (!isFinal) {
          if (
            initialContext === receivingContext && // TODO: write test for this
            isHitsEqual(initialHit, hit)
          ) {
            mutation = null;
          }
          _this.dragging.setMirrorNeedsRevert(!mutation);
          // render the mirror if no already-rendered mirror
          // TODO: wish we could somehow wait for dispatch to guarantee render
          _this.dragging.setMirrorIsVisible(!hit || !getElRoot(_this.subjectEl).querySelector('.fc-event-mirror'));
          // assign states based on new hit
          _this.receivingContext = receivingContext;
          _this.validMutation = mutation;
          _this.mutatedRelevantEvents = mutatedRelevantEvents;
        }
      };
      _this.handlePointerUp = function () {
        if (!_this.isDragging) {
          _this.cleanup(); // because handleDragEnd won't fire
        }
      };
      _this.handleDragEnd = function (ev) {
        if (_this.isDragging) {
          var initialContext_1 = _this.component.context;
          var initialView = initialContext_1.viewApi;
          var _a = _this,
            receivingContext_1 = _a.receivingContext,
            validMutation = _a.validMutation;
          var eventDef = _this.eventRange.def;
          var eventInstance = _this.eventRange.instance;
          var eventApi = new EventApi(initialContext_1, eventDef, eventInstance);
          var relevantEvents_1 = _this.relevantEvents;
          var mutatedRelevantEvents_1 = _this.mutatedRelevantEvents;
          var finalHit = _this.hitDragging.finalHit;
          _this.clearDrag(); // must happen after revert animation
          initialContext_1.emitter.trigger('eventDragStop', {
            el: _this.subjectEl,
            event: eventApi,
            jsEvent: ev.origEvent,
            view: initialView,
          });
          if (validMutation) {
            // dropped within same calendar
            if (receivingContext_1 === initialContext_1) {
              var updatedEventApi = new EventApi(initialContext_1, mutatedRelevantEvents_1.defs[eventDef.defId], eventInstance ? mutatedRelevantEvents_1.instances[eventInstance.instanceId] : null);
              initialContext_1.dispatch({
                type: 'MERGE_EVENTS',
                eventStore: mutatedRelevantEvents_1,
              });
              var eventChangeArg = {
                oldEvent: eventApi,
                event: updatedEventApi,
                relatedEvents: buildEventApis(mutatedRelevantEvents_1, initialContext_1, eventInstance),
                revert: function () {
                  initialContext_1.dispatch({
                    type: 'MERGE_EVENTS',
                    eventStore: relevantEvents_1, // the pre-change data
                  });
                },
              };
              var transformed = {};
              for (var _i = 0, _b = initialContext_1.getCurrentData().pluginHooks.eventDropTransformers; _i < _b.length; _i++) {
                var transformer = _b[_i];
                __assign(transformed, transformer(validMutation, initialContext_1));
              }
              initialContext_1.emitter.trigger(
                'eventDrop',
                __assign(__assign(__assign({}, eventChangeArg), transformed), { el: ev.subjectEl, delta: validMutation.datesDelta, jsEvent: ev.origEvent, view: initialView }),
              );
              initialContext_1.emitter.trigger('eventChange', eventChangeArg);
              // dropped in different calendar
            } else if (receivingContext_1) {
              var eventRemoveArg = {
                event: eventApi,
                relatedEvents: buildEventApis(relevantEvents_1, initialContext_1, eventInstance),
                revert: function () {
                  initialContext_1.dispatch({
                    type: 'MERGE_EVENTS',
                    eventStore: relevantEvents_1,
                  });
                },
              };
              initialContext_1.emitter.trigger('eventLeave', __assign(__assign({}, eventRemoveArg), { draggedEl: ev.subjectEl, view: initialView }));
              initialContext_1.dispatch({
                type: 'REMOVE_EVENTS',
                eventStore: relevantEvents_1,
              });
              initialContext_1.emitter.trigger('eventRemove', eventRemoveArg);
              var addedEventDef = mutatedRelevantEvents_1.defs[eventDef.defId];
              var addedEventInstance = mutatedRelevantEvents_1.instances[eventInstance.instanceId];
              var addedEventApi = new EventApi(receivingContext_1, addedEventDef, addedEventInstance);
              receivingContext_1.dispatch({
                type: 'MERGE_EVENTS',
                eventStore: mutatedRelevantEvents_1,
              });
              var eventAddArg = {
                event: addedEventApi,
                relatedEvents: buildEventApis(mutatedRelevantEvents_1, receivingContext_1, addedEventInstance),
                revert: function () {
                  receivingContext_1.dispatch({
                    type: 'REMOVE_EVENTS',
                    eventStore: mutatedRelevantEvents_1,
                  });
                },
              };
              receivingContext_1.emitter.trigger('eventAdd', eventAddArg);
              if (ev.isTouch) {
                receivingContext_1.dispatch({
                  type: 'SELECT_EVENT',
                  eventInstanceId: eventInstance.instanceId,
                });
              }
              receivingContext_1.emitter.trigger(
                'drop',
                __assign(__assign({}, buildDatePointApiWithContext(finalHit.dateSpan, receivingContext_1)), { draggedEl: ev.subjectEl, jsEvent: ev.origEvent, view: finalHit.context.viewApi }),
              );
              receivingContext_1.emitter.trigger('eventReceive', __assign(__assign({}, eventAddArg), { draggedEl: ev.subjectEl, view: finalHit.context.viewApi }));
            }
          } else {
            initialContext_1.emitter.trigger('_noEventDrop');
          }
        }
        _this.cleanup();
      };
      var component = _this.component;
      var options = component.context.options;
      var dragging = (_this.dragging = new FeaturefulElementDragging(settings.el));
      dragging.pointer.selector = EventDragging.SELECTOR;
      dragging.touchScrollAllowed = false;
      dragging.autoScroller.isEnabled = options.dragScroll;
      var hitDragging = (_this.hitDragging = new HitDragging(_this.dragging, interactionSettingsStore));
      hitDragging.useSubjectCenter = settings.useEventCenter;
      hitDragging.emitter.on('pointerdown', _this.handlePointerDown);
      hitDragging.emitter.on('dragstart', _this.handleDragStart);
      hitDragging.emitter.on('hitupdate', _this.handleHitUpdate);
      hitDragging.emitter.on('pointerup', _this.handlePointerUp);
      hitDragging.emitter.on('dragend', _this.handleDragEnd);
      return _this;
    }
    EventDragging.prototype.destroy = function () {
      this.dragging.destroy();
    };
    // render a drag state on the next receivingCalendar
    EventDragging.prototype.displayDrag = function (nextContext, state) {
      var initialContext = this.component.context;
      var prevContext = this.receivingContext;
      // does the previous calendar need to be cleared?
      if (prevContext && prevContext !== nextContext) {
        // does the initial calendar need to be cleared?
        // if so, don't clear all the way. we still need to to hide the affectedEvents
        if (prevContext === initialContext) {
          prevContext.dispatch({
            type: 'SET_EVENT_DRAG',
            state: {
              affectedEvents: state.affectedEvents,
              mutatedEvents: createEmptyEventStore(),
              isEvent: true,
            },
          });
          // completely clear the old calendar if it wasn't the initial
        } else {
          prevContext.dispatch({ type: 'UNSET_EVENT_DRAG' });
        }
      }
      if (nextContext) {
        nextContext.dispatch({ type: 'SET_EVENT_DRAG', state: state });
      }
    };
    EventDragging.prototype.clearDrag = function () {
      var initialCalendar = this.component.context;
      var receivingContext = this.receivingContext;
      if (receivingContext) {
        receivingContext.dispatch({ type: 'UNSET_EVENT_DRAG' });
      }
      // the initial calendar might have an dummy drag state from displayDrag
      if (initialCalendar !== receivingContext) {
        initialCalendar.dispatch({ type: 'UNSET_EVENT_DRAG' });
      }
    };
    EventDragging.prototype.cleanup = function () {
      this.subjectSeg = null;
      this.isDragging = false;
      this.eventRange = null;
      this.relevantEvents = null;
      this.receivingContext = null;
      this.validMutation = null;
      this.mutatedRelevantEvents = null;
    };
    // TODO: test this in IE11
    // QUESTION: why do we need it on the resizable???
    EventDragging.SELECTOR = '.fc-event-draggable, .fc-event-resizable';
    return EventDragging;
  })(Interaction);
  function computeEventMutation(hit0, hit1, massagers) {
    var dateSpan0 = hit0.dateSpan;
    var dateSpan1 = hit1.dateSpan;
    var date0 = dateSpan0.range.start;
    var date1 = dateSpan1.range.start;
    var standardProps = {};
    if (dateSpan0.allDay !== dateSpan1.allDay) {
      standardProps.allDay = dateSpan1.allDay;
      standardProps.hasEnd = hit1.context.options.allDayMaintainDuration;
      if (dateSpan1.allDay) {
        // means date1 is already start-of-day,
        // but date0 needs to be converted
        date0 = startOfDay(date0);
      }
    }
    var delta = diffDates(date0, date1, hit0.context.dateEnv, hit0.componentId === hit1.componentId ? hit0.largeUnit : null);
    if (delta.milliseconds) {
      // has hours/minutes/seconds
      standardProps.allDay = false;
    }
    var mutation = {
      datesDelta: delta,
      standardProps: standardProps,
    };
    for (var _i = 0, massagers_1 = massagers; _i < massagers_1.length; _i++) {
      var massager = massagers_1[_i];
      massager(mutation, hit0, hit1);
    }
    return mutation;
  }
  function getComponentTouchDelay(component) {
    var options = component.context.options;
    var delay = options.eventLongPressDelay;
    if (delay == null) {
      delay = options.longPressDelay;
    }
    return delay;
  }

  var EventResizing = /** @class */ (function (_super) {
    __extends(EventResizing, _super);
    function EventResizing(settings) {
      var _this = _super.call(this, settings) || this;
      // internal state
      _this.draggingSegEl = null;
      _this.draggingSeg = null; // TODO: rename to resizingSeg? subjectSeg?
      _this.eventRange = null;
      _this.relevantEvents = null;
      _this.validMutation = null;
      _this.mutatedRelevantEvents = null;
      _this.handlePointerDown = function (ev) {
        var component = _this.component;
        var segEl = _this.querySegEl(ev);
        var seg = getElSeg(segEl);
        var eventRange = (_this.eventRange = seg.eventRange);
        _this.dragging.minDistance = component.context.options.eventDragMinDistance;
        // if touch, need to be working with a selected event
        _this.dragging.setIgnoreMove(!_this.component.isValidSegDownEl(ev.origEvent.target) || (ev.isTouch && _this.component.props.eventSelection !== eventRange.instance.instanceId));
      };
      _this.handleDragStart = function (ev) {
        var context = _this.component.context;
        var eventRange = _this.eventRange;
        _this.relevantEvents = getRelevantEvents(context.getCurrentData().eventStore, _this.eventRange.instance.instanceId);
        var segEl = _this.querySegEl(ev);
        _this.draggingSegEl = segEl;
        _this.draggingSeg = getElSeg(segEl);
        context.calendarApi.unselect();
        context.emitter.trigger('eventResizeStart', {
          el: segEl,
          event: new EventApi(context, eventRange.def, eventRange.instance),
          jsEvent: ev.origEvent,
          view: context.viewApi,
        });
      };
      _this.handleHitUpdate = function (hit, isFinal, ev) {
        var context = _this.component.context;
        var relevantEvents = _this.relevantEvents;
        var initialHit = _this.hitDragging.initialHit;
        var eventInstance = _this.eventRange.instance;
        var mutation = null;
        var mutatedRelevantEvents = null;
        var isInvalid = false;
        var interaction = {
          affectedEvents: relevantEvents,
          mutatedEvents: createEmptyEventStore(),
          isEvent: true,
        };
        if (hit) {
          var disallowed = hit.componentId === initialHit.componentId && _this.isHitComboAllowed && !_this.isHitComboAllowed(initialHit, hit);
          if (!disallowed) {
            mutation = computeMutation(initialHit, hit, ev.subjectEl.classList.contains('fc-event-resizer-start'), eventInstance.range);
          }
        }
        if (mutation) {
          mutatedRelevantEvents = applyMutationToEventStore(relevantEvents, context.getCurrentData().eventUiBases, mutation, context);
          interaction.mutatedEvents = mutatedRelevantEvents;
          if (!isInteractionValid(interaction, hit.dateProfile, context)) {
            isInvalid = true;
            mutation = null;
            mutatedRelevantEvents = null;
            interaction.mutatedEvents = null;
          }
        }
        if (mutatedRelevantEvents) {
          context.dispatch({
            type: 'SET_EVENT_RESIZE',
            state: interaction,
          });
        } else {
          context.dispatch({ type: 'UNSET_EVENT_RESIZE' });
        }
        if (!isInvalid) {
          enableCursor();
        } else {
          disableCursor();
        }
        if (!isFinal) {
          if (mutation && isHitsEqual(initialHit, hit)) {
            mutation = null;
          }
          _this.validMutation = mutation;
          _this.mutatedRelevantEvents = mutatedRelevantEvents;
        }
      };
      _this.handleDragEnd = function (ev) {
        var context = _this.component.context;
        var eventDef = _this.eventRange.def;
        var eventInstance = _this.eventRange.instance;
        var eventApi = new EventApi(context, eventDef, eventInstance);
        var relevantEvents = _this.relevantEvents;
        var mutatedRelevantEvents = _this.mutatedRelevantEvents;
        context.emitter.trigger('eventResizeStop', {
          el: _this.draggingSegEl,
          event: eventApi,
          jsEvent: ev.origEvent,
          view: context.viewApi,
        });
        if (_this.validMutation) {
          var updatedEventApi = new EventApi(context, mutatedRelevantEvents.defs[eventDef.defId], eventInstance ? mutatedRelevantEvents.instances[eventInstance.instanceId] : null);
          context.dispatch({
            type: 'MERGE_EVENTS',
            eventStore: mutatedRelevantEvents,
          });
          var eventChangeArg = {
            oldEvent: eventApi,
            event: updatedEventApi,
            relatedEvents: buildEventApis(mutatedRelevantEvents, context, eventInstance),
            revert: function () {
              context.dispatch({
                type: 'MERGE_EVENTS',
                eventStore: relevantEvents, // the pre-change events
              });
            },
          };
          context.emitter.trigger(
            'eventResize',
            __assign(__assign({}, eventChangeArg), {
              el: _this.draggingSegEl,
              startDelta: _this.validMutation.startDelta || createDuration(0),
              endDelta: _this.validMutation.endDelta || createDuration(0),
              jsEvent: ev.origEvent,
              view: context.viewApi,
            }),
          );
          context.emitter.trigger('eventChange', eventChangeArg);
        } else {
          context.emitter.trigger('_noEventResize');
        }
        // reset all internal state
        _this.draggingSeg = null;
        _this.relevantEvents = null;
        _this.validMutation = null;
        // okay to keep eventInstance around. useful to set it in handlePointerDown
      };
      var component = settings.component;
      var dragging = (_this.dragging = new FeaturefulElementDragging(settings.el));
      dragging.pointer.selector = '.fc-event-resizer';
      dragging.touchScrollAllowed = false;
      dragging.autoScroller.isEnabled = component.context.options.dragScroll;
      var hitDragging = (_this.hitDragging = new HitDragging(_this.dragging, interactionSettingsToStore(settings)));
      hitDragging.emitter.on('pointerdown', _this.handlePointerDown);
      hitDragging.emitter.on('dragstart', _this.handleDragStart);
      hitDragging.emitter.on('hitupdate', _this.handleHitUpdate);
      hitDragging.emitter.on('dragend', _this.handleDragEnd);
      return _this;
    }
    EventResizing.prototype.destroy = function () {
      this.dragging.destroy();
    };
    EventResizing.prototype.querySegEl = function (ev) {
      return elementClosest(ev.subjectEl, '.fc-event');
    };
    return EventResizing;
  })(Interaction);
  function computeMutation(hit0, hit1, isFromStart, instanceRange) {
    var dateEnv = hit0.context.dateEnv;
    var date0 = hit0.dateSpan.range.start;
    var date1 = hit1.dateSpan.range.start;
    var delta = diffDates(date0, date1, dateEnv, hit0.largeUnit);
    if (isFromStart) {
      if (dateEnv.add(instanceRange.start, delta) < instanceRange.end) {
        return { startDelta: delta };
      }
    } else if (dateEnv.add(instanceRange.end, delta) > instanceRange.start) {
      return { endDelta: delta };
    }
    return null;
  }

  var UnselectAuto = /** @class */ (function () {
    function UnselectAuto(context) {
      var _this = this;
      this.context = context;
      this.isRecentPointerDateSelect = false; // wish we could use a selector to detect date selection, but uses hit system
      this.matchesCancel = false;
      this.matchesEvent = false;
      this.onSelect = function (selectInfo) {
        if (selectInfo.jsEvent) {
          _this.isRecentPointerDateSelect = true;
        }
      };
      this.onDocumentPointerDown = function (pev) {
        var unselectCancel = _this.context.options.unselectCancel;
        var downEl = getEventTargetViaRoot(pev.origEvent);
        _this.matchesCancel = !!elementClosest(downEl, unselectCancel);
        _this.matchesEvent = !!elementClosest(downEl, EventDragging.SELECTOR); // interaction started on an event?
      };
      this.onDocumentPointerUp = function (pev) {
        var context = _this.context;
        var documentPointer = _this.documentPointer;
        var calendarState = context.getCurrentData();
        // touch-scrolling should never unfocus any type of selection
        if (!documentPointer.wasTouchScroll) {
          if (
            calendarState.dateSelection && // an existing date selection?
            !_this.isRecentPointerDateSelect // a new pointer-initiated date selection since last onDocumentPointerUp?
          ) {
            var unselectAuto = context.options.unselectAuto;
            if (unselectAuto && (!unselectAuto || !_this.matchesCancel)) {
              context.calendarApi.unselect(pev);
            }
          }
          if (
            calendarState.eventSelection && // an existing event selected?
            !_this.matchesEvent // interaction DIDN'T start on an event
          ) {
            context.dispatch({ type: 'UNSELECT_EVENT' });
          }
        }
        _this.isRecentPointerDateSelect = false;
      };
      var documentPointer = (this.documentPointer = new PointerDragging(document));
      documentPointer.shouldIgnoreMove = true;
      documentPointer.shouldWatchScroll = false;
      documentPointer.emitter.on('pointerdown', this.onDocumentPointerDown);
      documentPointer.emitter.on('pointerup', this.onDocumentPointerUp);
      /*
            TODO: better way to know about whether there was a selection with the pointer
            */
      context.emitter.on('select', this.onSelect);
    }
    UnselectAuto.prototype.destroy = function () {
      this.context.emitter.off('select', this.onSelect);
      this.documentPointer.destroy();
    };
    return UnselectAuto;
  })();

  var OPTION_REFINERS$3 = {
    fixedMirrorParent: identity,
  };
  var LISTENER_REFINERS = {
    dateClick: identity,
    eventDragStart: identity,
    eventDragStop: identity,
    eventDrop: identity,
    eventResizeStart: identity,
    eventResizeStop: identity,
    eventResize: identity,
    drop: identity,
    eventReceive: identity,
    eventLeave: identity,
  };

  /*
    Given an already instantiated draggable object for one-or-more elements,
    Interprets any dragging as an attempt to drag an events that lives outside
    of a calendar onto a calendar.
    */
  var ExternalElementDragging = /** @class */ (function () {
    function ExternalElementDragging(dragging, suppliedDragMeta) {
      var _this = this;
      this.receivingContext = null;
      this.droppableEvent = null; // will exist for all drags, even if create:false
      this.suppliedDragMeta = null;
      this.dragMeta = null;
      this.handleDragStart = function (ev) {
        _this.dragMeta = _this.buildDragMeta(ev.subjectEl);
      };
      this.handleHitUpdate = function (hit, isFinal, ev) {
        var dragging = _this.hitDragging.dragging;
        var receivingContext = null;
        var droppableEvent = null;
        var isInvalid = false;
        var interaction = {
          affectedEvents: createEmptyEventStore(),
          mutatedEvents: createEmptyEventStore(),
          isEvent: _this.dragMeta.create,
        };
        if (hit) {
          receivingContext = hit.context;
          if (_this.canDropElOnCalendar(ev.subjectEl, receivingContext)) {
            droppableEvent = computeEventForDateSpan(hit.dateSpan, _this.dragMeta, receivingContext);
            interaction.mutatedEvents = eventTupleToStore(droppableEvent);
            isInvalid = !isInteractionValid(interaction, hit.dateProfile, receivingContext);
            if (isInvalid) {
              interaction.mutatedEvents = createEmptyEventStore();
              droppableEvent = null;
            }
          }
        }
        _this.displayDrag(receivingContext, interaction);
        // show mirror if no already-rendered mirror element OR if we are shutting down the mirror (?)
        // TODO: wish we could somehow wait for dispatch to guarantee render
        dragging.setMirrorIsVisible(isFinal || !droppableEvent || !document.querySelector('.fc-event-mirror'));
        if (!isInvalid) {
          enableCursor();
        } else {
          disableCursor();
        }
        if (!isFinal) {
          dragging.setMirrorNeedsRevert(!droppableEvent);
          _this.receivingContext = receivingContext;
          _this.droppableEvent = droppableEvent;
        }
      };
      this.handleDragEnd = function (pev) {
        var _a = _this,
          receivingContext = _a.receivingContext,
          droppableEvent = _a.droppableEvent;
        _this.clearDrag();
        if (receivingContext && droppableEvent) {
          var finalHit = _this.hitDragging.finalHit;
          var finalView = finalHit.context.viewApi;
          var dragMeta = _this.dragMeta;
          receivingContext.emitter.trigger(
            'drop',
            __assign(__assign({}, buildDatePointApiWithContext(finalHit.dateSpan, receivingContext)), { draggedEl: pev.subjectEl, jsEvent: pev.origEvent, view: finalView }),
          );
          if (dragMeta.create) {
            var addingEvents_1 = eventTupleToStore(droppableEvent);
            receivingContext.dispatch({
              type: 'MERGE_EVENTS',
              eventStore: addingEvents_1,
            });
            if (pev.isTouch) {
              receivingContext.dispatch({
                type: 'SELECT_EVENT',
                eventInstanceId: droppableEvent.instance.instanceId,
              });
            }
            // signal that an external event landed
            receivingContext.emitter.trigger('eventReceive', {
              event: new EventApi(receivingContext, droppableEvent.def, droppableEvent.instance),
              relatedEvents: [],
              revert: function () {
                receivingContext.dispatch({
                  type: 'REMOVE_EVENTS',
                  eventStore: addingEvents_1,
                });
              },
              draggedEl: pev.subjectEl,
              view: finalView,
            });
          }
        }
        _this.receivingContext = null;
        _this.droppableEvent = null;
      };
      var hitDragging = (this.hitDragging = new HitDragging(dragging, interactionSettingsStore));
      hitDragging.requireInitial = false; // will start outside of a component
      hitDragging.emitter.on('dragstart', this.handleDragStart);
      hitDragging.emitter.on('hitupdate', this.handleHitUpdate);
      hitDragging.emitter.on('dragend', this.handleDragEnd);
      this.suppliedDragMeta = suppliedDragMeta;
    }
    ExternalElementDragging.prototype.buildDragMeta = function (subjectEl) {
      if (typeof this.suppliedDragMeta === 'object') {
        return parseDragMeta(this.suppliedDragMeta);
      }
      if (typeof this.suppliedDragMeta === 'function') {
        return parseDragMeta(this.suppliedDragMeta(subjectEl));
      }
      return getDragMetaFromEl(subjectEl);
    };
    ExternalElementDragging.prototype.displayDrag = function (nextContext, state) {
      var prevContext = this.receivingContext;
      if (prevContext && prevContext !== nextContext) {
        prevContext.dispatch({ type: 'UNSET_EVENT_DRAG' });
      }
      if (nextContext) {
        nextContext.dispatch({ type: 'SET_EVENT_DRAG', state: state });
      }
    };
    ExternalElementDragging.prototype.clearDrag = function () {
      if (this.receivingContext) {
        this.receivingContext.dispatch({ type: 'UNSET_EVENT_DRAG' });
      }
    };
    ExternalElementDragging.prototype.canDropElOnCalendar = function (el, receivingContext) {
      var dropAccept = receivingContext.options.dropAccept;
      if (typeof dropAccept === 'function') {
        return dropAccept.call(receivingContext.calendarApi, el);
      }
      if (typeof dropAccept === 'string' && dropAccept) {
        return Boolean(elementMatches(el, dropAccept));
      }
      return true;
    };
    return ExternalElementDragging;
  })();
  // Utils for computing event store from the DragMeta
  // ----------------------------------------------------------------------------------------------------
  function computeEventForDateSpan(dateSpan, dragMeta, context) {
    var defProps = __assign({}, dragMeta.leftoverProps);
    for (var _i = 0, _a = context.pluginHooks.externalDefTransforms; _i < _a.length; _i++) {
      var transform = _a[_i];
      __assign(defProps, transform(dateSpan, dragMeta));
    }
    var _b = refineEventDef(defProps, context),
      refined = _b.refined,
      extra = _b.extra;
    var def = parseEventDef(
      refined,
      extra,
      dragMeta.sourceId,
      dateSpan.allDay,
      context.options.forceEventDuration || Boolean(dragMeta.duration), // hasEnd
      context,
    );
    var start = dateSpan.range.start;
    // only rely on time info if drop zone is all-day,
    // otherwise, we already know the time
    if (dateSpan.allDay && dragMeta.startTime) {
      start = context.dateEnv.add(start, dragMeta.startTime);
    }
    var end = dragMeta.duration ? context.dateEnv.add(start, dragMeta.duration) : getDefaultEventEnd(dateSpan.allDay, start, context);
    var instance = createEventInstance(def.defId, { start: start, end: end });
    return { def: def, instance: instance };
  }
  // Utils for extracting data from element
  // ----------------------------------------------------------------------------------------------------
  function getDragMetaFromEl(el) {
    var str = getEmbeddedElData(el, 'event');
    var obj = str ? JSON.parse(str) : { create: false }; // if no embedded data, assume no event creation
    return parseDragMeta(obj);
  }
  config.dataAttrPrefix = '';
  function getEmbeddedElData(el, name) {
    var prefix = config.dataAttrPrefix;
    var prefixedName = (prefix ? prefix + '-' : '') + name;
    return el.getAttribute('data-' + prefixedName) || '';
  }

  /*
    Makes an element (that is *external* to any calendar) draggable.
    Can pass in data that determines how an event will be created when dropped onto a calendar.
    Leverages FullCalendar's internal drag-n-drop functionality WITHOUT a third-party drag system.
    */
  var ExternalDraggable = /** @class */ (function () {
    function ExternalDraggable(el, settings) {
      var _this = this;
      if (settings === void 0) {
        settings = {};
      }
      this.handlePointerDown = function (ev) {
        var dragging = _this.dragging;
        var _a = _this.settings,
          minDistance = _a.minDistance,
          longPressDelay = _a.longPressDelay;
        dragging.minDistance = minDistance != null ? minDistance : ev.isTouch ? 0 : BASE_OPTION_DEFAULTS.eventDragMinDistance;
        dragging.delay = ev.isTouch // TODO: eventually read eventLongPressDelay instead vvv
          ? longPressDelay != null
            ? longPressDelay
            : BASE_OPTION_DEFAULTS.longPressDelay
          : 0;
      };
      this.handleDragStart = function (ev) {
        if (ev.isTouch && _this.dragging.delay && ev.subjectEl.classList.contains('fc-event')) {
          _this.dragging.mirror.getMirrorEl().classList.add('fc-event-selected');
        }
      };
      this.settings = settings;
      var dragging = (this.dragging = new FeaturefulElementDragging(el));
      dragging.touchScrollAllowed = false;
      if (settings.itemSelector != null) {
        dragging.pointer.selector = settings.itemSelector;
      }
      if (settings.appendTo != null) {
        dragging.mirror.parentNode = settings.appendTo; // TODO: write tests
      }
      dragging.emitter.on('pointerdown', this.handlePointerDown);
      dragging.emitter.on('dragstart', this.handleDragStart);
      new ExternalElementDragging(dragging, settings.eventData); // eslint-disable-line no-new
    }
    ExternalDraggable.prototype.destroy = function () {
      this.dragging.destroy();
    };
    return ExternalDraggable;
  })();

  /*
    Detects when a *THIRD-PARTY* drag-n-drop system interacts with elements.
    The third-party system is responsible for drawing the visuals effects of the drag.
    This class simply monitors for pointer movements and fires events.
    It also has the ability to hide the moving element (the "mirror") during the drag.
    */
  var InferredElementDragging = /** @class */ (function (_super) {
    __extends(InferredElementDragging, _super);
    function InferredElementDragging(containerEl) {
      var _this = _super.call(this, containerEl) || this;
      _this.shouldIgnoreMove = false;
      _this.mirrorSelector = '';
      _this.currentMirrorEl = null;
      _this.handlePointerDown = function (ev) {
        _this.emitter.trigger('pointerdown', ev);
        if (!_this.shouldIgnoreMove) {
          // fire dragstart right away. does not support delay or min-distance
          _this.emitter.trigger('dragstart', ev);
        }
      };
      _this.handlePointerMove = function (ev) {
        if (!_this.shouldIgnoreMove) {
          _this.emitter.trigger('dragmove', ev);
        }
      };
      _this.handlePointerUp = function (ev) {
        _this.emitter.trigger('pointerup', ev);
        if (!_this.shouldIgnoreMove) {
          // fire dragend right away. does not support a revert animation
          _this.emitter.trigger('dragend', ev);
        }
      };
      var pointer = (_this.pointer = new PointerDragging(containerEl));
      pointer.emitter.on('pointerdown', _this.handlePointerDown);
      pointer.emitter.on('pointermove', _this.handlePointerMove);
      pointer.emitter.on('pointerup', _this.handlePointerUp);
      return _this;
    }
    InferredElementDragging.prototype.destroy = function () {
      this.pointer.destroy();
    };
    InferredElementDragging.prototype.setIgnoreMove = function (bool) {
      this.shouldIgnoreMove = bool;
    };
    InferredElementDragging.prototype.setMirrorIsVisible = function (bool) {
      if (bool) {
        // restore a previously hidden element.
        // use the reference in case the selector class has already been removed.
        if (this.currentMirrorEl) {
          this.currentMirrorEl.style.visibility = '';
          this.currentMirrorEl = null;
        }
      } else {
        var mirrorEl = this.mirrorSelector
          ? // TODO: somehow query FullCalendars WITHIN shadow-roots
            document.querySelector(this.mirrorSelector)
          : null;
        if (mirrorEl) {
          this.currentMirrorEl = mirrorEl;
          mirrorEl.style.visibility = 'hidden';
        }
      }
    };
    return InferredElementDragging;
  })(ElementDragging);

  /*
    Bridges third-party drag-n-drop systems with FullCalendar.
    Must be instantiated and destroyed by caller.
    */
  var ThirdPartyDraggable = /** @class */ (function () {
    function ThirdPartyDraggable(containerOrSettings, settings) {
      var containerEl = document;
      if (
        // wish we could just test instanceof EventTarget, but doesn't work in IE11
        containerOrSettings === document ||
        containerOrSettings instanceof Element
      ) {
        containerEl = containerOrSettings;
        settings = settings || {};
      } else {
        settings = containerOrSettings || {};
      }
      var dragging = (this.dragging = new InferredElementDragging(containerEl));
      if (typeof settings.itemSelector === 'string') {
        dragging.pointer.selector = settings.itemSelector;
      } else if (containerEl === document) {
        dragging.pointer.selector = '[data-event]';
      }
      if (typeof settings.mirrorSelector === 'string') {
        dragging.mirrorSelector = settings.mirrorSelector;
      }
      new ExternalElementDragging(dragging, settings.eventData); // eslint-disable-line no-new
    }
    ThirdPartyDraggable.prototype.destroy = function () {
      this.dragging.destroy();
    };
    return ThirdPartyDraggable;
  })();

  var interactionPlugin = createPlugin({
    componentInteractions: [DateClicking, DateSelecting, EventDragging, EventResizing],
    calendarInteractions: [UnselectAuto],
    elementDraggingImpl: FeaturefulElementDragging,
    optionRefiners: OPTION_REFINERS$3,
    listenerRefiners: LISTENER_REFINERS,
  });

  /* An abstract class for the daygrid views, as well as month view. Renders one or more rows of day cells.
    ----------------------------------------------------------------------------------------------------------------------*/
  // It is a manager for a Table subcomponent, which does most of the heavy lifting.
  // It is responsible for managing width/height.
  var TableView = /** @class */ (function (_super) {
    __extends(TableView, _super);
    function TableView() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.headerElRef = createRef();
      return _this;
    }
    TableView.prototype.renderSimpleLayout = function (headerRowContent, bodyContent) {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var sections = [];
      var stickyHeaderDates = getStickyHeaderDates(context.options);
      if (headerRowContent) {
        sections.push({
          type: 'header',
          key: 'header',
          isSticky: stickyHeaderDates,
          chunk: {
            elRef: this.headerElRef,
            tableClassName: 'fc-col-header',
            rowContent: headerRowContent,
          },
        });
      }
      sections.push({
        type: 'body',
        key: 'body',
        liquid: true,
        chunk: { content: bodyContent },
      });
      return createElement(ViewRoot, { viewSpec: context.viewSpec }, function (rootElRef, classNames) {
        return createElement(
          'div',
          { ref: rootElRef, className: ['fc-daygrid'].concat(classNames).join(' ') },
          createElement(SimpleScrollGrid, { liquid: !props.isHeightAuto && !props.forPrint, collapsibleWidth: props.forPrint, cols: [] /* TODO: make optional? */, sections: sections }),
        );
      });
    };
    TableView.prototype.renderHScrollLayout = function (headerRowContent, bodyContent, colCnt, dayMinWidth) {
      var ScrollGrid = this.context.pluginHooks.scrollGridImpl;
      if (!ScrollGrid) {
        throw new Error('No ScrollGrid implementation');
      }
      var _a = this,
        props = _a.props,
        context = _a.context;
      var stickyHeaderDates = !props.forPrint && getStickyHeaderDates(context.options);
      var stickyFooterScrollbar = !props.forPrint && getStickyFooterScrollbar(context.options);
      var sections = [];
      if (headerRowContent) {
        sections.push({
          type: 'header',
          key: 'header',
          isSticky: stickyHeaderDates,
          chunks: [
            {
              key: 'main',
              elRef: this.headerElRef,
              tableClassName: 'fc-col-header',
              rowContent: headerRowContent,
            },
          ],
        });
      }
      sections.push({
        type: 'body',
        key: 'body',
        liquid: true,
        chunks: [
          {
            key: 'main',
            content: bodyContent,
          },
        ],
      });
      if (stickyFooterScrollbar) {
        sections.push({
          type: 'footer',
          key: 'footer',
          isSticky: true,
          chunks: [
            {
              key: 'main',
              content: renderScrollShim,
            },
          ],
        });
      }
      return createElement(ViewRoot, { viewSpec: context.viewSpec }, function (rootElRef, classNames) {
        return createElement(
          'div',
          { ref: rootElRef, className: ['fc-daygrid'].concat(classNames).join(' ') },
          createElement(ScrollGrid, {
            liquid: !props.isHeightAuto && !props.forPrint,
            collapsibleWidth: props.forPrint,
            colGroups: [{ cols: [{ span: colCnt, minWidth: dayMinWidth }] }],
            sections: sections,
          }),
        );
      });
    };
    return TableView;
  })(DateComponent);

  function splitSegsByRow(segs, rowCnt) {
    var byRow = [];
    for (var i = 0; i < rowCnt; i += 1) {
      byRow[i] = [];
    }
    for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
      var seg = segs_1[_i];
      byRow[seg.row].push(seg);
    }
    return byRow;
  }
  function splitSegsByFirstCol(segs, colCnt) {
    var byCol = [];
    for (var i = 0; i < colCnt; i += 1) {
      byCol[i] = [];
    }
    for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) {
      var seg = segs_2[_i];
      byCol[seg.firstCol].push(seg);
    }
    return byCol;
  }
  function splitInteractionByRow(ui, rowCnt) {
    var byRow = [];
    if (!ui) {
      for (var i = 0; i < rowCnt; i += 1) {
        byRow[i] = null;
      }
    } else {
      for (var i = 0; i < rowCnt; i += 1) {
        byRow[i] = {
          affectedInstances: ui.affectedInstances,
          isEvent: ui.isEvent,
          segs: [],
        };
      }
      for (var _i = 0, _a = ui.segs; _i < _a.length; _i++) {
        var seg = _a[_i];
        byRow[seg.row].segs.push(seg);
      }
    }
    return byRow;
  }

  var TableCellTop = /** @class */ (function (_super) {
    __extends(TableCellTop, _super);
    function TableCellTop() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    TableCellTop.prototype.render = function () {
      var props = this.props;
      var navLinkAttrs = buildNavLinkAttrs(this.context, props.date);
      return createElement(
        DayCellContent,
        { date: props.date, dateProfile: props.dateProfile, todayRange: props.todayRange, showDayNumber: props.showDayNumber, extraHookProps: props.extraHookProps, defaultContent: renderTopInner },
        function (innerElRef, innerContent) {
          return (
            (innerContent || props.forceDayTop) &&
            createElement(
              'div',
              { className: 'fc-daygrid-day-top', ref: innerElRef },
              createElement('a', __assign({ id: props.dayNumberId, className: 'fc-daygrid-day-number' }, navLinkAttrs), innerContent || createElement(Fragment, null, '\u00A0')),
            )
          );
        },
      );
    };
    return TableCellTop;
  })(BaseComponent);
  function renderTopInner(props) {
    return props.dayNumberText;
  }

  var DEFAULT_TABLE_EVENT_TIME_FORMAT = createFormatter({
    hour: 'numeric',
    minute: '2-digit',
    omitZeroMinute: true,
    meridiem: 'narrow',
  });
  function hasListItemDisplay(seg) {
    var display = seg.eventRange.ui.display;
    return (
      display === 'list-item' ||
      (display === 'auto' &&
        !seg.eventRange.def.allDay &&
        seg.firstCol === seg.lastCol && // can't be multi-day
        seg.isStart && // "
        seg.isEnd) // "
    );
  }

  var TableBlockEvent = /** @class */ (function (_super) {
    __extends(TableBlockEvent, _super);
    function TableBlockEvent() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    TableBlockEvent.prototype.render = function () {
      var props = this.props;
      return createElement(
        StandardEvent,
        __assign({}, props, {
          extraClassNames: ['fc-daygrid-event', 'fc-daygrid-block-event', 'fc-h-event'],
          defaultTimeFormat: DEFAULT_TABLE_EVENT_TIME_FORMAT,
          defaultDisplayEventEnd: props.defaultDisplayEventEnd,
          disableResizing: !props.seg.eventRange.def.allDay,
        }),
      );
    };
    return TableBlockEvent;
  })(BaseComponent);

  var TableListItemEvent = /** @class */ (function (_super) {
    __extends(TableListItemEvent, _super);
    function TableListItemEvent() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    TableListItemEvent.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var timeFormat = context.options.eventTimeFormat || DEFAULT_TABLE_EVENT_TIME_FORMAT;
      var timeText = buildSegTimeText(props.seg, timeFormat, context, true, props.defaultDisplayEventEnd);
      return createElement(
        EventRoot,
        {
          seg: props.seg,
          timeText: timeText,
          defaultContent: renderInnerContent$2,
          isDragging: props.isDragging,
          isResizing: false,
          isDateSelecting: false,
          isSelected: props.isSelected,
          isPast: props.isPast,
          isFuture: props.isFuture,
          isToday: props.isToday,
        },
        function (rootElRef, classNames, innerElRef, innerContent) {
          return (
            // we don't use styles!
            createElement('a', __assign({ className: ['fc-daygrid-event', 'fc-daygrid-dot-event'].concat(classNames).join(' '), ref: rootElRef }, getSegAnchorAttrs(props.seg, context)), innerContent)
          );
        },
      );
    };
    return TableListItemEvent;
  })(BaseComponent);
  function renderInnerContent$2(innerProps) {
    return createElement(
      Fragment,
      null,
      createElement('div', { className: 'fc-daygrid-event-dot', style: { borderColor: innerProps.borderColor || innerProps.backgroundColor } }),
      innerProps.timeText && createElement('div', { className: 'fc-event-time' }, innerProps.timeText),
      createElement('div', { className: 'fc-event-title' }, innerProps.event.title || createElement(Fragment, null, '\u00A0')),
    );
  }

  var TableCellMoreLink = /** @class */ (function (_super) {
    __extends(TableCellMoreLink, _super);
    function TableCellMoreLink() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.compileSegs = memoize(compileSegs);
      return _this;
    }
    TableCellMoreLink.prototype.render = function () {
      var props = this.props;
      var _a = this.compileSegs(props.singlePlacements),
        allSegs = _a.allSegs,
        invisibleSegs = _a.invisibleSegs;
      return createElement(
        MoreLinkRoot,
        {
          dateProfile: props.dateProfile,
          todayRange: props.todayRange,
          allDayDate: props.allDayDate,
          moreCnt: props.moreCnt,
          allSegs: allSegs,
          hiddenSegs: invisibleSegs,
          alignmentElRef: props.alignmentElRef,
          alignGridTop: props.alignGridTop,
          extraDateSpan: props.extraDateSpan,
          popoverContent: function () {
            var isForcedInvisible = (props.eventDrag ? props.eventDrag.affectedInstances : null) || (props.eventResize ? props.eventResize.affectedInstances : null) || {};
            return createElement(
              Fragment,
              null,
              allSegs.map(function (seg) {
                var instanceId = seg.eventRange.instance.instanceId;
                return createElement(
                  'div',
                  {
                    className: 'fc-daygrid-event-harness',
                    key: instanceId,
                    style: {
                      visibility: isForcedInvisible[instanceId] ? 'hidden' : '',
                    },
                  },
                  hasListItemDisplay(seg)
                    ? createElement(
                        TableListItemEvent,
                        __assign({ seg: seg, isDragging: false, isSelected: instanceId === props.eventSelection, defaultDisplayEventEnd: false }, getSegMeta(seg, props.todayRange)),
                      )
                    : createElement(
                        TableBlockEvent,
                        __assign(
                          { seg: seg, isDragging: false, isResizing: false, isDateSelecting: false, isSelected: instanceId === props.eventSelection, defaultDisplayEventEnd: false },
                          getSegMeta(seg, props.todayRange),
                        ),
                      ),
                );
              }),
            );
          },
        },
        function (rootElRef, classNames, innerElRef, innerContent, handleClick, title, isExpanded, popoverId) {
          return createElement(
            'a',
            __assign(
              { ref: rootElRef, className: ['fc-daygrid-more-link'].concat(classNames).join(' '), title: title, 'aria-expanded': isExpanded, 'aria-controls': popoverId },
              createAriaClickAttrs(handleClick),
            ),
            innerContent,
          );
        },
      );
    };
    return TableCellMoreLink;
  })(BaseComponent);
  function compileSegs(singlePlacements) {
    var allSegs = [];
    var invisibleSegs = [];
    for (var _i = 0, singlePlacements_1 = singlePlacements; _i < singlePlacements_1.length; _i++) {
      var placement = singlePlacements_1[_i];
      allSegs.push(placement.seg);
      if (!placement.isVisible) {
        invisibleSegs.push(placement.seg);
      }
    }
    return { allSegs: allSegs, invisibleSegs: invisibleSegs };
  }

  var DEFAULT_WEEK_NUM_FORMAT$1 = createFormatter({ week: 'narrow' });
  var TableCell = /** @class */ (function (_super) {
    __extends(TableCell, _super);
    function TableCell() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.rootElRef = createRef();
      _this.state = {
        dayNumberId: getUniqueDomId(),
      };
      _this.handleRootEl = function (el) {
        setRef(_this.rootElRef, el);
        setRef(_this.props.elRef, el);
      };
      return _this;
    }
    TableCell.prototype.render = function () {
      var _a = this,
        context = _a.context,
        props = _a.props,
        state = _a.state,
        rootElRef = _a.rootElRef;
      var date = props.date,
        dateProfile = props.dateProfile;
      var navLinkAttrs = buildNavLinkAttrs(context, date, 'week');
      return createElement(
        DayCellRoot,
        { date: date, dateProfile: dateProfile, todayRange: props.todayRange, showDayNumber: props.showDayNumber, extraHookProps: props.extraHookProps, elRef: this.handleRootEl },
        function (dayElRef, dayClassNames, rootDataAttrs, isDisabled) {
          return createElement(
            'td',
            __assign(
              { ref: dayElRef, role: 'gridcell', className: ['fc-daygrid-day'].concat(dayClassNames, props.extraClassNames || []).join(' ') },
              rootDataAttrs,
              props.extraDataAttrs,
              props.showDayNumber ? { 'aria-labelledby': state.dayNumberId } : {},
            ),
            createElement(
              'div',
              { className: 'fc-daygrid-day-frame fc-scrollgrid-sync-inner', ref: props.innerElRef /* different from hook system! RENAME */ },
              props.showWeekNumber &&
                createElement(WeekNumberRoot, { date: date, defaultFormat: DEFAULT_WEEK_NUM_FORMAT$1 }, function (weekElRef, weekClassNames, innerElRef, innerContent) {
                  return createElement('a', __assign({ ref: weekElRef, className: ['fc-daygrid-week-number'].concat(weekClassNames).join(' ') }, navLinkAttrs), innerContent);
                }),
              !isDisabled &&
                createElement(TableCellTop, {
                  date: date,
                  dateProfile: dateProfile,
                  showDayNumber: props.showDayNumber,
                  dayNumberId: state.dayNumberId,
                  forceDayTop: props.forceDayTop,
                  todayRange: props.todayRange,
                  extraHookProps: props.extraHookProps,
                }),
              createElement(
                'div',
                { className: 'fc-daygrid-day-events', ref: props.fgContentElRef },
                props.fgContent,
                createElement(
                  'div',
                  { className: 'fc-daygrid-day-bottom', style: { marginTop: props.moreMarginTop } },
                  createElement(TableCellMoreLink, {
                    allDayDate: date,
                    singlePlacements: props.singlePlacements,
                    moreCnt: props.moreCnt,
                    alignmentElRef: rootElRef,
                    alignGridTop: !props.showDayNumber,
                    extraDateSpan: props.extraDateSpan,
                    dateProfile: props.dateProfile,
                    eventSelection: props.eventSelection,
                    eventDrag: props.eventDrag,
                    eventResize: props.eventResize,
                    todayRange: props.todayRange,
                  }),
                ),
              ),
              createElement('div', { className: 'fc-daygrid-day-bg' }, props.bgContent),
            ),
          );
        },
      );
    };
    return TableCell;
  })(DateComponent);

  function computeFgSegPlacement(
    segs, // assumed already sorted
    dayMaxEvents,
    dayMaxEventRows,
    strictOrder,
    eventInstanceHeights,
    maxContentHeight,
    cells,
  ) {
    var hierarchy = new DayGridSegHierarchy();
    hierarchy.allowReslicing = true;
    hierarchy.strictOrder = strictOrder;
    if (dayMaxEvents === true || dayMaxEventRows === true) {
      hierarchy.maxCoord = maxContentHeight;
      hierarchy.hiddenConsumes = true;
    } else if (typeof dayMaxEvents === 'number') {
      hierarchy.maxStackCnt = dayMaxEvents;
    } else if (typeof dayMaxEventRows === 'number') {
      hierarchy.maxStackCnt = dayMaxEventRows;
      hierarchy.hiddenConsumes = true;
    }
    // create segInputs only for segs with known heights
    var segInputs = [];
    var unknownHeightSegs = [];
    for (var i = 0; i < segs.length; i += 1) {
      var seg = segs[i];
      var instanceId = seg.eventRange.instance.instanceId;
      var eventHeight = eventInstanceHeights[instanceId];
      if (eventHeight != null) {
        segInputs.push({
          index: i,
          thickness: eventHeight,
          span: {
            start: seg.firstCol,
            end: seg.lastCol + 1,
          },
        });
      } else {
        unknownHeightSegs.push(seg);
      }
    }
    var hiddenEntries = hierarchy.addSegs(segInputs);
    var segRects = hierarchy.toRects();
    var _a = placeRects(segRects, segs, cells),
      singleColPlacements = _a.singleColPlacements,
      multiColPlacements = _a.multiColPlacements,
      leftoverMargins = _a.leftoverMargins;
    var moreCnts = [];
    var moreMarginTops = [];
    // add segs with unknown heights
    for (var _i = 0, unknownHeightSegs_1 = unknownHeightSegs; _i < unknownHeightSegs_1.length; _i++) {
      var seg = unknownHeightSegs_1[_i];
      multiColPlacements[seg.firstCol].push({
        seg: seg,
        isVisible: false,
        isAbsolute: true,
        absoluteTop: 0,
        marginTop: 0,
      });
      for (var col = seg.firstCol; col <= seg.lastCol; col += 1) {
        singleColPlacements[col].push({
          seg: resliceSeg(seg, col, col + 1, cells),
          isVisible: false,
          isAbsolute: false,
          absoluteTop: 0,
          marginTop: 0,
        });
      }
    }
    // add the hidden entries
    for (var col = 0; col < cells.length; col += 1) {
      moreCnts.push(0);
    }
    for (var _b = 0, hiddenEntries_1 = hiddenEntries; _b < hiddenEntries_1.length; _b++) {
      var hiddenEntry = hiddenEntries_1[_b];
      var seg = segs[hiddenEntry.index];
      var hiddenSpan = hiddenEntry.span;
      multiColPlacements[hiddenSpan.start].push({
        seg: resliceSeg(seg, hiddenSpan.start, hiddenSpan.end, cells),
        isVisible: false,
        isAbsolute: true,
        absoluteTop: 0,
        marginTop: 0,
      });
      for (var col = hiddenSpan.start; col < hiddenSpan.end; col += 1) {
        moreCnts[col] += 1;
        singleColPlacements[col].push({
          seg: resliceSeg(seg, col, col + 1, cells),
          isVisible: false,
          isAbsolute: false,
          absoluteTop: 0,
          marginTop: 0,
        });
      }
    }
    // deal with leftover margins
    for (var col = 0; col < cells.length; col += 1) {
      moreMarginTops.push(leftoverMargins[col]);
    }
    return { singleColPlacements: singleColPlacements, multiColPlacements: multiColPlacements, moreCnts: moreCnts, moreMarginTops: moreMarginTops };
  }
  // rects ordered by top coord, then left
  function placeRects(allRects, segs, cells) {
    var rectsByEachCol = groupRectsByEachCol(allRects, cells.length);
    var singleColPlacements = [];
    var multiColPlacements = [];
    var leftoverMargins = [];
    for (var col = 0; col < cells.length; col += 1) {
      var rects = rectsByEachCol[col];
      // compute all static segs in singlePlacements
      var singlePlacements = [];
      var currentHeight = 0;
      var currentMarginTop = 0;
      for (var _i = 0, rects_1 = rects; _i < rects_1.length; _i++) {
        var rect = rects_1[_i];
        var seg = segs[rect.index];
        singlePlacements.push({
          seg: resliceSeg(seg, col, col + 1, cells),
          isVisible: true,
          isAbsolute: false,
          absoluteTop: rect.levelCoord,
          marginTop: rect.levelCoord - currentHeight,
        });
        currentHeight = rect.levelCoord + rect.thickness;
      }
      // compute mixed static/absolute segs in multiPlacements
      var multiPlacements = [];
      currentHeight = 0;
      currentMarginTop = 0;
      for (var _a = 0, rects_2 = rects; _a < rects_2.length; _a++) {
        var rect = rects_2[_a];
        var seg = segs[rect.index];
        var isAbsolute = rect.span.end - rect.span.start > 1; // multi-column?
        var isFirstCol = rect.span.start === col;
        currentMarginTop += rect.levelCoord - currentHeight; // amount of space since bottom of previous seg
        currentHeight = rect.levelCoord + rect.thickness; // height will now be bottom of current seg
        if (isAbsolute) {
          currentMarginTop += rect.thickness;
          if (isFirstCol) {
            multiPlacements.push({
              seg: resliceSeg(seg, rect.span.start, rect.span.end, cells),
              isVisible: true,
              isAbsolute: true,
              absoluteTop: rect.levelCoord,
              marginTop: 0,
            });
          }
        } else if (isFirstCol) {
          multiPlacements.push({
            seg: resliceSeg(seg, rect.span.start, rect.span.end, cells),
            isVisible: true,
            isAbsolute: false,
            absoluteTop: rect.levelCoord,
            marginTop: currentMarginTop, // claim the margin
          });
          currentMarginTop = 0;
        }
      }
      singleColPlacements.push(singlePlacements);
      multiColPlacements.push(multiPlacements);
      leftoverMargins.push(currentMarginTop);
    }
    return { singleColPlacements: singleColPlacements, multiColPlacements: multiColPlacements, leftoverMargins: leftoverMargins };
  }
  function groupRectsByEachCol(rects, colCnt) {
    var rectsByEachCol = [];
    for (var col = 0; col < colCnt; col += 1) {
      rectsByEachCol.push([]);
    }
    for (var _i = 0, rects_3 = rects; _i < rects_3.length; _i++) {
      var rect = rects_3[_i];
      for (var col = rect.span.start; col < rect.span.end; col += 1) {
        rectsByEachCol[col].push(rect);
      }
    }
    return rectsByEachCol;
  }
  function resliceSeg(seg, spanStart, spanEnd, cells) {
    if (seg.firstCol === spanStart && seg.lastCol === spanEnd - 1) {
      return seg;
    }
    var eventRange = seg.eventRange;
    var origRange = eventRange.range;
    var slicedRange = intersectRanges(origRange, {
      start: cells[spanStart].date,
      end: addDays(cells[spanEnd - 1].date, 1),
    });
    return __assign(__assign({}, seg), {
      firstCol: spanStart,
      lastCol: spanEnd - 1,
      eventRange: {
        def: eventRange.def,
        ui: __assign(__assign({}, eventRange.ui), { durationEditable: false }),
        instance: eventRange.instance,
        range: slicedRange,
      },
      isStart: seg.isStart && slicedRange.start.valueOf() === origRange.start.valueOf(),
      isEnd: seg.isEnd && slicedRange.end.valueOf() === origRange.end.valueOf(),
    });
  }
  var DayGridSegHierarchy = /** @class */ (function (_super) {
    __extends(DayGridSegHierarchy, _super);
    function DayGridSegHierarchy() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      // config
      _this.hiddenConsumes = false;
      // allows us to keep hidden entries in the hierarchy so they take up space
      _this.forceHidden = {};
      return _this;
    }
    DayGridSegHierarchy.prototype.addSegs = function (segInputs) {
      var _this = this;
      var hiddenSegs = _super.prototype.addSegs.call(this, segInputs);
      var entriesByLevel = this.entriesByLevel;
      var excludeHidden = function (entry) {
        return !_this.forceHidden[buildEntryKey(entry)];
      };
      // remove the forced-hidden segs
      for (var level = 0; level < entriesByLevel.length; level += 1) {
        entriesByLevel[level] = entriesByLevel[level].filter(excludeHidden);
      }
      return hiddenSegs;
    };
    DayGridSegHierarchy.prototype.handleInvalidInsertion = function (insertion, entry, hiddenEntries) {
      var _a = this,
        entriesByLevel = _a.entriesByLevel,
        forceHidden = _a.forceHidden;
      var touchingEntry = insertion.touchingEntry,
        touchingLevel = insertion.touchingLevel,
        touchingLateral = insertion.touchingLateral;
      if (this.hiddenConsumes && touchingEntry) {
        var touchingEntryId = buildEntryKey(touchingEntry);
        // if not already hidden
        if (!forceHidden[touchingEntryId]) {
          if (this.allowReslicing) {
            var placeholderEntry = __assign(__assign({}, touchingEntry), { span: intersectSpans(touchingEntry.span, entry.span) });
            var placeholderEntryId = buildEntryKey(placeholderEntry);
            forceHidden[placeholderEntryId] = true;
            entriesByLevel[touchingLevel][touchingLateral] = placeholderEntry; // replace touchingEntry with our placeholder
            this.splitEntry(touchingEntry, entry, hiddenEntries); // split up the touchingEntry, reinsert it
          } else {
            forceHidden[touchingEntryId] = true;
            hiddenEntries.push(touchingEntry);
          }
        }
      }
      return _super.prototype.handleInvalidInsertion.call(this, insertion, entry, hiddenEntries);
    };
    return DayGridSegHierarchy;
  })(SegHierarchy);

  var TableRow = /** @class */ (function (_super) {
    __extends(TableRow, _super);
    function TableRow() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.cellElRefs = new RefMap(); // the <td>
      _this.frameElRefs = new RefMap(); // the fc-daygrid-day-frame
      _this.fgElRefs = new RefMap(); // the fc-daygrid-day-events
      _this.segHarnessRefs = new RefMap(); // indexed by "instanceId:firstCol"
      _this.rootElRef = createRef();
      _this.state = {
        framePositions: null,
        maxContentHeight: null,
        eventInstanceHeights: {},
      };
      return _this;
    }
    TableRow.prototype.render = function () {
      var _this = this;
      var _a = this,
        props = _a.props,
        state = _a.state,
        context = _a.context;
      var options = context.options;
      var colCnt = props.cells.length;
      var businessHoursByCol = splitSegsByFirstCol(props.businessHourSegs, colCnt);
      var bgEventSegsByCol = splitSegsByFirstCol(props.bgEventSegs, colCnt);
      var highlightSegsByCol = splitSegsByFirstCol(this.getHighlightSegs(), colCnt);
      var mirrorSegsByCol = splitSegsByFirstCol(this.getMirrorSegs(), colCnt);
      var _b = computeFgSegPlacement(
          sortEventSegs(props.fgEventSegs, options.eventOrder),
          props.dayMaxEvents,
          props.dayMaxEventRows,
          options.eventOrderStrict,
          state.eventInstanceHeights,
          state.maxContentHeight,
          props.cells,
        ),
        singleColPlacements = _b.singleColPlacements,
        multiColPlacements = _b.multiColPlacements,
        moreCnts = _b.moreCnts,
        moreMarginTops = _b.moreMarginTops;
      var isForcedInvisible = (props.eventDrag && props.eventDrag.affectedInstances) || (props.eventResize && props.eventResize.affectedInstances) || {}; // TODO: messy way to compute this
      return createElement(
        'tr',
        { ref: this.rootElRef, role: 'row' },
        props.renderIntro && props.renderIntro(),
        props.cells.map(function (cell, col) {
          var normalFgNodes = _this.renderFgSegs(col, props.forPrint ? singleColPlacements[col] : multiColPlacements[col], props.todayRange, isForcedInvisible);
          var mirrorFgNodes = _this.renderFgSegs(
            col,
            buildMirrorPlacements(mirrorSegsByCol[col], multiColPlacements),
            props.todayRange,
            {},
            Boolean(props.eventDrag),
            Boolean(props.eventResize),
            false,
          );
          return createElement(TableCell, {
            key: cell.key,
            elRef: _this.cellElRefs.createRef(cell.key),
            innerElRef: _this.frameElRefs.createRef(cell.key) /* FF <td> problem, but okay to use for left/right. TODO: rename prop */,
            dateProfile: props.dateProfile,
            date: cell.date,
            showDayNumber: props.showDayNumbers,
            showWeekNumber: props.showWeekNumbers && col === 0,
            forceDayTop: props.showWeekNumbers /* even displaying weeknum for row, not necessarily day */,
            todayRange: props.todayRange,
            eventSelection: props.eventSelection,
            eventDrag: props.eventDrag,
            eventResize: props.eventResize,
            extraHookProps: cell.extraHookProps,
            extraDataAttrs: cell.extraDataAttrs,
            extraClassNames: cell.extraClassNames,
            extraDateSpan: cell.extraDateSpan,
            moreCnt: moreCnts[col],
            moreMarginTop: moreMarginTops[col],
            singlePlacements: singleColPlacements[col],
            fgContentElRef: _this.fgElRefs.createRef(cell.key),
            // Fragment scopes the keys
            fgContent: createElement(Fragment, null, createElement(Fragment, null, normalFgNodes), createElement(Fragment, null, mirrorFgNodes)),
            // Fragment scopes the keys
            bgContent: createElement(
              Fragment,
              null,
              _this.renderFillSegs(highlightSegsByCol[col], 'highlight'),
              _this.renderFillSegs(businessHoursByCol[col], 'non-business'),
              _this.renderFillSegs(bgEventSegsByCol[col], 'bg-event'),
            ),
          });
        }),
      );
    };
    TableRow.prototype.componentDidMount = function () {
      this.updateSizing(true);
    };
    TableRow.prototype.componentDidUpdate = function (prevProps, prevState) {
      var currentProps = this.props;
      this.updateSizing(!isPropsEqual(prevProps, currentProps));
    };
    TableRow.prototype.getHighlightSegs = function () {
      var props = this.props;
      if (props.eventDrag && props.eventDrag.segs.length) {
        // messy check
        return props.eventDrag.segs;
      }
      if (props.eventResize && props.eventResize.segs.length) {
        // messy check
        return props.eventResize.segs;
      }
      return props.dateSelectionSegs;
    };
    TableRow.prototype.getMirrorSegs = function () {
      var props = this.props;
      if (props.eventResize && props.eventResize.segs.length) {
        // messy check
        return props.eventResize.segs;
      }
      return [];
    };
    TableRow.prototype.renderFgSegs = function (col, segPlacements, todayRange, isForcedInvisible, isDragging, isResizing, isDateSelecting) {
      var context = this.context;
      var eventSelection = this.props.eventSelection;
      var framePositions = this.state.framePositions;
      var defaultDisplayEventEnd = this.props.cells.length === 1; // colCnt === 1
      var isMirror = isDragging || isResizing || isDateSelecting;
      var nodes = [];
      if (framePositions) {
        for (var _i = 0, segPlacements_1 = segPlacements; _i < segPlacements_1.length; _i++) {
          var placement = segPlacements_1[_i];
          var seg = placement.seg;
          var instanceId = seg.eventRange.instance.instanceId;
          var key = instanceId + ':' + col;
          var isVisible = placement.isVisible && !isForcedInvisible[instanceId];
          var isAbsolute = placement.isAbsolute;
          var left = '';
          var right = '';
          if (isAbsolute) {
            if (context.isRtl) {
              right = 0;
              left = framePositions.lefts[seg.lastCol] - framePositions.lefts[seg.firstCol];
            } else {
              left = 0;
              right = framePositions.rights[seg.firstCol] - framePositions.rights[seg.lastCol];
            }
          }
          /*
                    known bug: events that are force to be list-item but span multiple days still take up space in later columns
                    todo: in print view, for multi-day events, don't display title within non-start/end segs
                    */
          nodes.push(
            createElement(
              'div',
              {
                className: 'fc-daygrid-event-harness' + (isAbsolute ? ' fc-daygrid-event-harness-abs' : ''),
                key: key,
                ref: isMirror ? null : this.segHarnessRefs.createRef(key),
                style: {
                  visibility: isVisible ? '' : 'hidden',
                  marginTop: isAbsolute ? '' : placement.marginTop,
                  top: isAbsolute ? placement.absoluteTop : '',
                  left: left,
                  right: right,
                },
              },
              hasListItemDisplay(seg)
                ? createElement(
                    TableListItemEvent,
                    __assign({ seg: seg, isDragging: isDragging, isSelected: instanceId === eventSelection, defaultDisplayEventEnd: defaultDisplayEventEnd }, getSegMeta(seg, todayRange)),
                  )
                : createElement(
                    TableBlockEvent,
                    __assign(
                      {
                        seg: seg,
                        isDragging: isDragging,
                        isResizing: isResizing,
                        isDateSelecting: isDateSelecting,
                        isSelected: instanceId === eventSelection,
                        defaultDisplayEventEnd: defaultDisplayEventEnd,
                      },
                      getSegMeta(seg, todayRange),
                    ),
                  ),
            ),
          );
        }
      }
      return nodes;
    };
    TableRow.prototype.renderFillSegs = function (segs, fillType) {
      var isRtl = this.context.isRtl;
      var todayRange = this.props.todayRange;
      var framePositions = this.state.framePositions;
      var nodes = [];
      if (framePositions) {
        for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
          var seg = segs_1[_i];
          var leftRightCss = isRtl
            ? {
                right: 0,
                left: framePositions.lefts[seg.lastCol] - framePositions.lefts[seg.firstCol],
              }
            : {
                left: 0,
                right: framePositions.rights[seg.firstCol] - framePositions.rights[seg.lastCol],
              };
          nodes.push(
            createElement(
              'div',
              { key: buildEventRangeKey(seg.eventRange), className: 'fc-daygrid-bg-harness', style: leftRightCss },
              fillType === 'bg-event' ? createElement(BgEvent, __assign({ seg: seg }, getSegMeta(seg, todayRange))) : renderFill(fillType),
            ),
          );
        }
      }
      return createElement.apply(void 0, __spreadArray([Fragment, {}], nodes));
    };
    TableRow.prototype.updateSizing = function (isExternalSizingChange) {
      var _a = this,
        props = _a.props,
        frameElRefs = _a.frameElRefs;
      if (
        !props.forPrint &&
        props.clientWidth !== null // positioning ready?
      ) {
        if (isExternalSizingChange) {
          var frameEls = props.cells.map(function (cell) {
            return frameElRefs.currentMap[cell.key];
          });
          if (frameEls.length) {
            var originEl = this.rootElRef.current;
            this.setState({
              framePositions: new PositionCache(
                originEl,
                frameEls,
                true, // isHorizontal
                false,
              ),
            });
          }
        }
        var oldInstanceHeights = this.state.eventInstanceHeights;
        var newInstanceHeights = this.queryEventInstanceHeights();
        var limitByContentHeight = props.dayMaxEvents === true || props.dayMaxEventRows === true;
        this.safeSetState({
          // HACK to prevent oscillations of events being shown/hidden from max-event-rows
          // Essentially, once you compute an element's height, never null-out.
          // TODO: always display all events, as visibility:hidden?
          eventInstanceHeights: __assign(__assign({}, oldInstanceHeights), newInstanceHeights),
          maxContentHeight: limitByContentHeight ? this.computeMaxContentHeight() : null,
        });
      }
    };
    TableRow.prototype.queryEventInstanceHeights = function () {
      var segElMap = this.segHarnessRefs.currentMap;
      var eventInstanceHeights = {};
      // get the max height amongst instance segs
      for (var key in segElMap) {
        var height = Math.round(segElMap[key].getBoundingClientRect().height);
        var instanceId = key.split(':')[0]; // deconstruct how renderFgSegs makes the key
        eventInstanceHeights[instanceId] = Math.max(eventInstanceHeights[instanceId] || 0, height);
      }
      return eventInstanceHeights;
    };
    TableRow.prototype.computeMaxContentHeight = function () {
      var firstKey = this.props.cells[0].key;
      var cellEl = this.cellElRefs.currentMap[firstKey];
      var fcContainerEl = this.fgElRefs.currentMap[firstKey];
      return cellEl.getBoundingClientRect().bottom - fcContainerEl.getBoundingClientRect().top;
    };
    TableRow.prototype.getCellEls = function () {
      var elMap = this.cellElRefs.currentMap;
      return this.props.cells.map(function (cell) {
        return elMap[cell.key];
      });
    };
    return TableRow;
  })(DateComponent);
  TableRow.addStateEquality({
    eventInstanceHeights: isPropsEqual,
  });
  function buildMirrorPlacements(mirrorSegs, colPlacements) {
    if (!mirrorSegs.length) {
      return [];
    }
    var topsByInstanceId = buildAbsoluteTopHash(colPlacements); // TODO: cache this at first render?
    return mirrorSegs.map(function (seg) {
      return {
        seg: seg,
        isVisible: true,
        isAbsolute: true,
        absoluteTop: topsByInstanceId[seg.eventRange.instance.instanceId],
        marginTop: 0,
      };
    });
  }
  function buildAbsoluteTopHash(colPlacements) {
    var topsByInstanceId = {};
    for (var _i = 0, colPlacements_1 = colPlacements; _i < colPlacements_1.length; _i++) {
      var placements = colPlacements_1[_i];
      for (var _a = 0, placements_1 = placements; _a < placements_1.length; _a++) {
        var placement = placements_1[_a];
        topsByInstanceId[placement.seg.eventRange.instance.instanceId] = placement.absoluteTop;
      }
    }
    return topsByInstanceId;
  }

  var Table = /** @class */ (function (_super) {
    __extends(Table, _super);
    function Table() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.splitBusinessHourSegs = memoize(splitSegsByRow);
      _this.splitBgEventSegs = memoize(splitSegsByRow);
      _this.splitFgEventSegs = memoize(splitSegsByRow);
      _this.splitDateSelectionSegs = memoize(splitSegsByRow);
      _this.splitEventDrag = memoize(splitInteractionByRow);
      _this.splitEventResize = memoize(splitInteractionByRow);
      _this.rowRefs = new RefMap();
      _this.handleRootEl = function (rootEl) {
        _this.rootEl = rootEl;
        if (rootEl) {
          _this.context.registerInteractiveComponent(_this, {
            el: rootEl,
            isHitComboAllowed: _this.props.isHitComboAllowed,
          });
        } else {
          _this.context.unregisterInteractiveComponent(_this);
        }
      };
      return _this;
    }
    Table.prototype.render = function () {
      var _this = this;
      var props = this.props;
      var dateProfile = props.dateProfile,
        dayMaxEventRows = props.dayMaxEventRows,
        dayMaxEvents = props.dayMaxEvents,
        expandRows = props.expandRows;
      var rowCnt = props.cells.length;
      var businessHourSegsByRow = this.splitBusinessHourSegs(props.businessHourSegs, rowCnt);
      var bgEventSegsByRow = this.splitBgEventSegs(props.bgEventSegs, rowCnt);
      var fgEventSegsByRow = this.splitFgEventSegs(props.fgEventSegs, rowCnt);
      var dateSelectionSegsByRow = this.splitDateSelectionSegs(props.dateSelectionSegs, rowCnt);
      var eventDragByRow = this.splitEventDrag(props.eventDrag, rowCnt);
      var eventResizeByRow = this.splitEventResize(props.eventResize, rowCnt);
      var limitViaBalanced = dayMaxEvents === true || dayMaxEventRows === true;
      // if rows can't expand to fill fixed height, can't do balanced-height event limit
      // TODO: best place to normalize these options?
      if (limitViaBalanced && !expandRows) {
        limitViaBalanced = false;
        dayMaxEventRows = null;
        dayMaxEvents = null;
      }
      var classNames = [
        'fc-daygrid-body',
        limitViaBalanced ? 'fc-daygrid-body-balanced' : 'fc-daygrid-body-unbalanced',
        expandRows ? '' : 'fc-daygrid-body-natural', // will height of one row depend on the others?
      ];
      return createElement(
        'div',
        {
          className: classNames.join(' '),
          ref: this.handleRootEl,
          style: {
            // these props are important to give this wrapper correct dimensions for interactions
            // TODO: if we set it here, can we avoid giving to inner tables?
            width: props.clientWidth,
            minWidth: props.tableMinWidth,
          },
        },
        createElement(NowTimer, { unit: 'day' }, function (nowDate, todayRange) {
          return createElement(
            Fragment,
            null,
            createElement(
              'table',
              {
                role: 'presentation',
                className: 'fc-scrollgrid-sync-table',
                style: {
                  width: props.clientWidth,
                  minWidth: props.tableMinWidth,
                  height: expandRows ? props.clientHeight : '',
                },
              },
              props.colGroupNode,
              createElement(
                'tbody',
                { role: 'presentation' },
                props.cells.map(function (cells, row) {
                  return createElement(TableRow, {
                    ref: _this.rowRefs.createRef(row),
                    key: cells.length ? cells[0].date.toISOString() /* best? or put key on cell? or use diff formatter? */ : row, // in case there are no cells (like when resource view is loading)
                    showDayNumbers: rowCnt > 1,
                    showWeekNumbers: props.showWeekNumbers,
                    todayRange: todayRange,
                    dateProfile: dateProfile,
                    cells: cells,
                    renderIntro: props.renderRowIntro,
                    businessHourSegs: businessHourSegsByRow[row],
                    eventSelection: props.eventSelection,
                    bgEventSegs: bgEventSegsByRow[row].filter(isSegAllDay) /* hack */,
                    fgEventSegs: fgEventSegsByRow[row],
                    dateSelectionSegs: dateSelectionSegsByRow[row],
                    eventDrag: eventDragByRow[row],
                    eventResize: eventResizeByRow[row],
                    dayMaxEvents: dayMaxEvents,
                    dayMaxEventRows: dayMaxEventRows,
                    clientWidth: props.clientWidth,
                    clientHeight: props.clientHeight,
                    forPrint: props.forPrint,
                  });
                }),
              ),
            ),
          );
        }),
      );
    };
    // Hit System
    // ----------------------------------------------------------------------------------------------------
    Table.prototype.prepareHits = function () {
      this.rowPositions = new PositionCache(
        this.rootEl,
        this.rowRefs.collect().map(function (rowObj) {
          return rowObj.getCellEls()[0];
        }), // first cell el in each row. TODO: not optimal
        false,
        true,
      );
      this.colPositions = new PositionCache(
        this.rootEl,
        this.rowRefs.currentMap[0].getCellEls(), // cell els in first row
        true, // horizontal
        false,
      );
    };
    Table.prototype.queryHit = function (positionLeft, positionTop) {
      var _a = this,
        colPositions = _a.colPositions,
        rowPositions = _a.rowPositions;
      var col = colPositions.leftToIndex(positionLeft);
      var row = rowPositions.topToIndex(positionTop);
      if (row != null && col != null) {
        var cell = this.props.cells[row][col];
        return {
          dateProfile: this.props.dateProfile,
          dateSpan: __assign({ range: this.getCellRange(row, col), allDay: true }, cell.extraDateSpan),
          dayEl: this.getCellEl(row, col),
          rect: {
            left: colPositions.lefts[col],
            right: colPositions.rights[col],
            top: rowPositions.tops[row],
            bottom: rowPositions.bottoms[row],
          },
          layer: 0,
        };
      }
      return null;
    };
    Table.prototype.getCellEl = function (row, col) {
      return this.rowRefs.currentMap[row].getCellEls()[col]; // TODO: not optimal
    };
    Table.prototype.getCellRange = function (row, col) {
      var start = this.props.cells[row][col].date;
      var end = addDays(start, 1);
      return { start: start, end: end };
    };
    return Table;
  })(DateComponent);
  function isSegAllDay(seg) {
    return seg.eventRange.def.allDay;
  }

  var DayTableSlicer = /** @class */ (function (_super) {
    __extends(DayTableSlicer, _super);
    function DayTableSlicer() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.forceDayIfListItem = true;
      return _this;
    }
    DayTableSlicer.prototype.sliceRange = function (dateRange, dayTableModel) {
      return dayTableModel.sliceRange(dateRange);
    };
    return DayTableSlicer;
  })(Slicer);

  var DayTable = /** @class */ (function (_super) {
    __extends(DayTable, _super);
    function DayTable() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.slicer = new DayTableSlicer();
      _this.tableRef = createRef();
      return _this;
    }
    DayTable.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      return createElement(
        Table,
        __assign({ ref: this.tableRef }, this.slicer.sliceProps(props, props.dateProfile, props.nextDayThreshold, context, props.dayTableModel), {
          dateProfile: props.dateProfile,
          cells: props.dayTableModel.cells,
          colGroupNode: props.colGroupNode,
          tableMinWidth: props.tableMinWidth,
          renderRowIntro: props.renderRowIntro,
          dayMaxEvents: props.dayMaxEvents,
          dayMaxEventRows: props.dayMaxEventRows,
          showWeekNumbers: props.showWeekNumbers,
          expandRows: props.expandRows,
          headerAlignElRef: props.headerAlignElRef,
          clientWidth: props.clientWidth,
          clientHeight: props.clientHeight,
          forPrint: props.forPrint,
        }),
      );
    };
    return DayTable;
  })(DateComponent);

  var DayTableView = /** @class */ (function (_super) {
    __extends(DayTableView, _super);
    function DayTableView() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.buildDayTableModel = memoize(buildDayTableModel);
      _this.headerRef = createRef();
      _this.tableRef = createRef();
      return _this;
    }
    DayTableView.prototype.render = function () {
      var _this = this;
      var _a = this.context,
        options = _a.options,
        dateProfileGenerator = _a.dateProfileGenerator;
      var props = this.props;
      var dayTableModel = this.buildDayTableModel(props.dateProfile, dateProfileGenerator);
      var headerContent =
        options.dayHeaders && createElement(DayHeader, { ref: this.headerRef, dateProfile: props.dateProfile, dates: dayTableModel.headerDates, datesRepDistinctDays: dayTableModel.rowCnt === 1 });
      var bodyContent = function (contentArg) {
        return createElement(DayTable, {
          ref: _this.tableRef,
          dateProfile: props.dateProfile,
          dayTableModel: dayTableModel,
          businessHours: props.businessHours,
          dateSelection: props.dateSelection,
          eventStore: props.eventStore,
          eventUiBases: props.eventUiBases,
          eventSelection: props.eventSelection,
          eventDrag: props.eventDrag,
          eventResize: props.eventResize,
          nextDayThreshold: options.nextDayThreshold,
          colGroupNode: contentArg.tableColGroupNode,
          tableMinWidth: contentArg.tableMinWidth,
          dayMaxEvents: options.dayMaxEvents,
          dayMaxEventRows: options.dayMaxEventRows,
          showWeekNumbers: options.weekNumbers,
          expandRows: !props.isHeightAuto,
          headerAlignElRef: _this.headerElRef,
          clientWidth: contentArg.clientWidth,
          clientHeight: contentArg.clientHeight,
          forPrint: props.forPrint,
        });
      };
      return options.dayMinWidth ? this.renderHScrollLayout(headerContent, bodyContent, dayTableModel.colCnt, options.dayMinWidth) : this.renderSimpleLayout(headerContent, bodyContent);
    };
    return DayTableView;
  })(TableView);
  function buildDayTableModel(dateProfile, dateProfileGenerator) {
    var daySeries = new DaySeriesModel(dateProfile.renderRange, dateProfileGenerator);
    return new DayTableModel(daySeries, /year|month|week/.test(dateProfile.currentRangeUnit));
  }

  var TableDateProfileGenerator = /** @class */ (function (_super) {
    __extends(TableDateProfileGenerator, _super);
    function TableDateProfileGenerator() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    // Computes the date range that will be rendered.
    TableDateProfileGenerator.prototype.buildRenderRange = function (currentRange, currentRangeUnit, isRangeAllDay) {
      var dateEnv = this.props.dateEnv;
      var renderRange = _super.prototype.buildRenderRange.call(this, currentRange, currentRangeUnit, isRangeAllDay);
      var start = renderRange.start;
      var end = renderRange.end;
      var endOfWeek;
      // year and month views should be aligned with weeks. this is already done for week
      if (/^(year|month)$/.test(currentRangeUnit)) {
        start = dateEnv.startOfWeek(start);
        // make end-of-week if not already
        endOfWeek = dateEnv.startOfWeek(end);
        if (endOfWeek.valueOf() !== end.valueOf()) {
          end = addWeeks(endOfWeek, 1);
        }
      }
      // ensure 6 weeks
      if (this.props.monthMode && this.props.fixedWeekCount) {
        var rowCnt = Math.ceil(
          // could be partial weeks due to hiddenDays
          diffWeeks(start, end),
        );
        end = addWeeks(end, 6 - rowCnt);
      }
      return { start: start, end: end };
    };
    return TableDateProfileGenerator;
  })(DateProfileGenerator);

  var dayGridPlugin = createPlugin({
    initialView: 'dayGridMonth',
    views: {
      dayGrid: {
        component: DayTableView,
        dateProfileGeneratorClass: TableDateProfileGenerator,
      },
      dayGridDay: {
        type: 'dayGrid',
        duration: { days: 1 },
      },
      dayGridWeek: {
        type: 'dayGrid',
        duration: { weeks: 1 },
      },
      dayGridMonth: {
        type: 'dayGrid',
        duration: { months: 1 },
        monthMode: true,
        fixedWeekCount: true,
      },
    },
  });

  var AllDaySplitter = /** @class */ (function (_super) {
    __extends(AllDaySplitter, _super);
    function AllDaySplitter() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    AllDaySplitter.prototype.getKeyInfo = function () {
      return {
        allDay: {},
        timed: {},
      };
    };
    AllDaySplitter.prototype.getKeysForDateSpan = function (dateSpan) {
      if (dateSpan.allDay) {
        return ['allDay'];
      }
      return ['timed'];
    };
    AllDaySplitter.prototype.getKeysForEventDef = function (eventDef) {
      if (!eventDef.allDay) {
        return ['timed'];
      }
      if (hasBgRendering(eventDef)) {
        return ['timed', 'allDay'];
      }
      return ['allDay'];
    };
    return AllDaySplitter;
  })(Splitter);

  var DEFAULT_SLAT_LABEL_FORMAT = createFormatter({
    hour: 'numeric',
    minute: '2-digit',
    omitZeroMinute: true,
    meridiem: 'short',
  });
  function TimeColsAxisCell(props) {
    var classNames = ['fc-timegrid-slot', 'fc-timegrid-slot-label', props.isLabeled ? 'fc-scrollgrid-shrink' : 'fc-timegrid-slot-minor'];
    return createElement(ViewContextType.Consumer, null, function (context) {
      if (!props.isLabeled) {
        return createElement('td', { className: classNames.join(' '), 'data-time': props.isoTimeStr });
      }
      var dateEnv = context.dateEnv,
        options = context.options,
        viewApi = context.viewApi;
      var labelFormat = // TODO: fully pre-parse
        options.slotLabelFormat == null ? DEFAULT_SLAT_LABEL_FORMAT : Array.isArray(options.slotLabelFormat) ? createFormatter(options.slotLabelFormat[0]) : createFormatter(options.slotLabelFormat);
      var hookProps = {
        level: 0,
        time: props.time,
        date: dateEnv.toDate(props.date),
        view: viewApi,
        text: dateEnv.format(props.date, labelFormat),
      };
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.slotLabelClassNames,
          content: options.slotLabelContent,
          defaultContent: renderInnerContent$1,
          didMount: options.slotLabelDidMount,
          willUnmount: options.slotLabelWillUnmount,
        },
        function (rootElRef, customClassNames, innerElRef, innerContent) {
          return createElement(
            'td',
            { ref: rootElRef, className: classNames.concat(customClassNames).join(' '), 'data-time': props.isoTimeStr },
            createElement(
              'div',
              { className: 'fc-timegrid-slot-label-frame fc-scrollgrid-shrink-frame' },
              createElement('div', { className: 'fc-timegrid-slot-label-cushion fc-scrollgrid-shrink-cushion', ref: innerElRef }, innerContent),
            ),
          );
        },
      );
    });
  }
  function renderInnerContent$1(props) {
    return props.text;
  }

  var TimeBodyAxis = /** @class */ (function (_super) {
    __extends(TimeBodyAxis, _super);
    function TimeBodyAxis() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    TimeBodyAxis.prototype.render = function () {
      return this.props.slatMetas.map(function (slatMeta) {
        return createElement('tr', { key: slatMeta.key }, createElement(TimeColsAxisCell, __assign({}, slatMeta)));
      });
    };
    return TimeBodyAxis;
  })(BaseComponent);

  var DEFAULT_WEEK_NUM_FORMAT = createFormatter({ week: 'short' });
  var AUTO_ALL_DAY_MAX_EVENT_ROWS = 5;
  var TimeColsView = /** @class */ (function (_super) {
    __extends(TimeColsView, _super);
    function TimeColsView() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.allDaySplitter = new AllDaySplitter(); // for use by subclasses
      _this.headerElRef = createRef();
      _this.rootElRef = createRef();
      _this.scrollerElRef = createRef();
      _this.state = {
        slatCoords: null,
      };
      _this.handleScrollTopRequest = function (scrollTop) {
        var scrollerEl = _this.scrollerElRef.current;
        if (scrollerEl) {
          // TODO: not sure how this could ever be null. weirdness with the reducer
          scrollerEl.scrollTop = scrollTop;
        }
      };
      /* Header Render Methods
            ------------------------------------------------------------------------------------------------------------------*/
      _this.renderHeadAxis = function (rowKey, frameHeight) {
        if (frameHeight === void 0) {
          frameHeight = '';
        }
        var options = _this.context.options;
        var dateProfile = _this.props.dateProfile;
        var range = dateProfile.renderRange;
        var dayCnt = diffDays(range.start, range.end);
        var navLinkAttrs =
          dayCnt === 1 // only do in day views (to avoid doing in week views that dont need it)
            ? buildNavLinkAttrs(_this.context, range.start, 'week')
            : {};
        if (options.weekNumbers && rowKey === 'day') {
          return createElement(WeekNumberRoot, { date: range.start, defaultFormat: DEFAULT_WEEK_NUM_FORMAT }, function (rootElRef, classNames, innerElRef, innerContent) {
            return createElement(
              'th',
              { ref: rootElRef, 'aria-hidden': true, className: ['fc-timegrid-axis', 'fc-scrollgrid-shrink'].concat(classNames).join(' ') },
              createElement(
                'div',
                { className: 'fc-timegrid-axis-frame fc-scrollgrid-shrink-frame fc-timegrid-axis-frame-liquid', style: { height: frameHeight } },
                createElement('a', __assign({ ref: innerElRef, className: 'fc-timegrid-axis-cushion fc-scrollgrid-shrink-cushion fc-scrollgrid-sync-inner' }, navLinkAttrs), innerContent),
              ),
            );
          });
        }
        return createElement('th', { 'aria-hidden': true, className: 'fc-timegrid-axis' }, createElement('div', { className: 'fc-timegrid-axis-frame', style: { height: frameHeight } }));
      };
      /* Table Component Render Methods
            ------------------------------------------------------------------------------------------------------------------*/
      // only a one-way height sync. we don't send the axis inner-content height to the DayGrid,
      // but DayGrid still needs to have classNames on inner elements in order to measure.
      _this.renderTableRowAxis = function (rowHeight) {
        var _a = _this.context,
          options = _a.options,
          viewApi = _a.viewApi;
        var hookProps = {
          text: options.allDayText,
          view: viewApi,
        };
        return (
          // TODO: make reusable hook. used in list view too
          createElement(
            RenderHook,
            {
              hookProps: hookProps,
              classNames: options.allDayClassNames,
              content: options.allDayContent,
              defaultContent: renderAllDayInner$1,
              didMount: options.allDayDidMount,
              willUnmount: options.allDayWillUnmount,
            },
            function (rootElRef, classNames, innerElRef, innerContent) {
              return createElement(
                'td',
                { ref: rootElRef, 'aria-hidden': true, className: ['fc-timegrid-axis', 'fc-scrollgrid-shrink'].concat(classNames).join(' ') },
                createElement(
                  'div',
                  { className: 'fc-timegrid-axis-frame fc-scrollgrid-shrink-frame' + (rowHeight == null ? ' fc-timegrid-axis-frame-liquid' : ''), style: { height: rowHeight } },
                  createElement('span', { className: 'fc-timegrid-axis-cushion fc-scrollgrid-shrink-cushion fc-scrollgrid-sync-inner', ref: innerElRef }, innerContent),
                ),
              );
            },
          )
        );
      };
      _this.handleSlatCoords = function (slatCoords) {
        _this.setState({ slatCoords: slatCoords });
      };
      return _this;
    }
    // rendering
    // ----------------------------------------------------------------------------------------------------
    TimeColsView.prototype.renderSimpleLayout = function (headerRowContent, allDayContent, timeContent) {
      var _a = this,
        context = _a.context,
        props = _a.props;
      var sections = [];
      var stickyHeaderDates = getStickyHeaderDates(context.options);
      if (headerRowContent) {
        sections.push({
          type: 'header',
          key: 'header',
          isSticky: stickyHeaderDates,
          chunk: {
            elRef: this.headerElRef,
            tableClassName: 'fc-col-header',
            rowContent: headerRowContent,
          },
        });
      }
      if (allDayContent) {
        sections.push({
          type: 'body',
          key: 'all-day',
          chunk: { content: allDayContent },
        });
        sections.push({
          type: 'body',
          key: 'all-day-divider',
          // TODO: rename to cellContent so don't need to define <tr>?
          outerContent: createElement(
            'tr',
            { role: 'presentation', className: 'fc-scrollgrid-section' },
            createElement('td', { className: 'fc-timegrid-divider ' + context.theme.getClass('tableCellShaded') }),
          ),
        });
      }
      sections.push({
        type: 'body',
        key: 'body',
        liquid: true,
        expandRows: Boolean(context.options.expandRows),
        chunk: {
          scrollerElRef: this.scrollerElRef,
          content: timeContent,
        },
      });
      return createElement(ViewRoot, { viewSpec: context.viewSpec, elRef: this.rootElRef }, function (rootElRef, classNames) {
        return createElement(
          'div',
          { className: ['fc-timegrid'].concat(classNames).join(' '), ref: rootElRef },
          createElement(SimpleScrollGrid, { liquid: !props.isHeightAuto && !props.forPrint, collapsibleWidth: props.forPrint, cols: [{ width: 'shrink' }], sections: sections }),
        );
      });
    };
    TimeColsView.prototype.renderHScrollLayout = function (headerRowContent, allDayContent, timeContent, colCnt, dayMinWidth, slatMetas, slatCoords) {
      var _this = this;
      var ScrollGrid = this.context.pluginHooks.scrollGridImpl;
      if (!ScrollGrid) {
        throw new Error('No ScrollGrid implementation');
      }
      var _a = this,
        context = _a.context,
        props = _a.props;
      var stickyHeaderDates = !props.forPrint && getStickyHeaderDates(context.options);
      var stickyFooterScrollbar = !props.forPrint && getStickyFooterScrollbar(context.options);
      var sections = [];
      if (headerRowContent) {
        sections.push({
          type: 'header',
          key: 'header',
          isSticky: stickyHeaderDates,
          syncRowHeights: true,
          chunks: [
            {
              key: 'axis',
              rowContent: function (arg) {
                return createElement('tr', { role: 'presentation' }, _this.renderHeadAxis('day', arg.rowSyncHeights[0]));
              },
            },
            {
              key: 'cols',
              elRef: this.headerElRef,
              tableClassName: 'fc-col-header',
              rowContent: headerRowContent,
            },
          ],
        });
      }
      if (allDayContent) {
        sections.push({
          type: 'body',
          key: 'all-day',
          syncRowHeights: true,
          chunks: [
            {
              key: 'axis',
              rowContent: function (contentArg) {
                return createElement('tr', { role: 'presentation' }, _this.renderTableRowAxis(contentArg.rowSyncHeights[0]));
              },
            },
            {
              key: 'cols',
              content: allDayContent,
            },
          ],
        });
        sections.push({
          key: 'all-day-divider',
          type: 'body',
          // TODO: rename to cellContent so don't need to define <tr>?
          outerContent: createElement(
            'tr',
            { role: 'presentation', className: 'fc-scrollgrid-section' },
            createElement('td', { colSpan: 2, className: 'fc-timegrid-divider ' + context.theme.getClass('tableCellShaded') }),
          ),
        });
      }
      var isNowIndicator = context.options.nowIndicator;
      sections.push({
        type: 'body',
        key: 'body',
        liquid: true,
        expandRows: Boolean(context.options.expandRows),
        chunks: [
          {
            key: 'axis',
            content: function (arg) {
              return (
                // TODO: make this now-indicator arrow more DRY with TimeColsContent
                createElement(
                  'div',
                  { className: 'fc-timegrid-axis-chunk' },
                  createElement(
                    'table',
                    { 'aria-hidden': true, style: { height: arg.expandRows ? arg.clientHeight : '' } },
                    arg.tableColGroupNode,
                    createElement('tbody', null, createElement(TimeBodyAxis, { slatMetas: slatMetas })),
                  ),
                  createElement(
                    'div',
                    { className: 'fc-timegrid-now-indicator-container' },
                    createElement(NowTimer, { unit: isNowIndicator ? 'minute' : 'day' /* hacky */ }, function (nowDate) {
                      var nowIndicatorTop = isNowIndicator && slatCoords && slatCoords.safeComputeTop(nowDate); // might return void
                      if (typeof nowIndicatorTop === 'number') {
                        return createElement(NowIndicatorRoot, { isAxis: true, date: nowDate }, function (rootElRef, classNames, innerElRef, innerContent) {
                          return createElement('div', { ref: rootElRef, className: ['fc-timegrid-now-indicator-arrow'].concat(classNames).join(' '), style: { top: nowIndicatorTop } }, innerContent);
                        });
                      }
                      return null;
                    }),
                  ),
                )
              );
            },
          },
          {
            key: 'cols',
            scrollerElRef: this.scrollerElRef,
            content: timeContent,
          },
        ],
      });
      if (stickyFooterScrollbar) {
        sections.push({
          key: 'footer',
          type: 'footer',
          isSticky: true,
          chunks: [
            {
              key: 'axis',
              content: renderScrollShim,
            },
            {
              key: 'cols',
              content: renderScrollShim,
            },
          ],
        });
      }
      return createElement(ViewRoot, { viewSpec: context.viewSpec, elRef: this.rootElRef }, function (rootElRef, classNames) {
        return createElement(
          'div',
          { className: ['fc-timegrid'].concat(classNames).join(' '), ref: rootElRef },
          createElement(ScrollGrid, {
            liquid: !props.isHeightAuto && !props.forPrint,
            collapsibleWidth: false,
            colGroups: [{ width: 'shrink', cols: [{ width: 'shrink' }] }, { cols: [{ span: colCnt, minWidth: dayMinWidth }] }],
            sections: sections,
          }),
        );
      });
    };
    /* Dimensions
        ------------------------------------------------------------------------------------------------------------------*/
    TimeColsView.prototype.getAllDayMaxEventProps = function () {
      var _a = this.context.options,
        dayMaxEvents = _a.dayMaxEvents,
        dayMaxEventRows = _a.dayMaxEventRows;
      if (dayMaxEvents === true || dayMaxEventRows === true) {
        // is auto?
        dayMaxEvents = undefined;
        dayMaxEventRows = AUTO_ALL_DAY_MAX_EVENT_ROWS; // make sure "auto" goes to a real number
      }
      return { dayMaxEvents: dayMaxEvents, dayMaxEventRows: dayMaxEventRows };
    };
    return TimeColsView;
  })(DateComponent);
  function renderAllDayInner$1(hookProps) {
    return hookProps.text;
  }

  var TimeColsSlatsCoords = /** @class */ (function () {
    function TimeColsSlatsCoords(positions, dateProfile, slotDuration) {
      this.positions = positions;
      this.dateProfile = dateProfile;
      this.slotDuration = slotDuration;
    }
    TimeColsSlatsCoords.prototype.safeComputeTop = function (date) {
      var dateProfile = this.dateProfile;
      if (rangeContainsMarker(dateProfile.currentRange, date)) {
        var startOfDayDate = startOfDay(date);
        var timeMs = date.valueOf() - startOfDayDate.valueOf();
        if (timeMs >= asRoughMs(dateProfile.slotMinTime) && timeMs < asRoughMs(dateProfile.slotMaxTime)) {
          return this.computeTimeTop(createDuration(timeMs));
        }
      }
      return null;
    };
    // Computes the top coordinate, relative to the bounds of the grid, of the given date.
    // A `startOfDayDate` must be given for avoiding ambiguity over how to treat midnight.
    TimeColsSlatsCoords.prototype.computeDateTop = function (when, startOfDayDate) {
      if (!startOfDayDate) {
        startOfDayDate = startOfDay(when);
      }
      return this.computeTimeTop(createDuration(when.valueOf() - startOfDayDate.valueOf()));
    };
    // Computes the top coordinate, relative to the bounds of the grid, of the given time (a Duration).
    // This is a makeshify way to compute the time-top. Assumes all slatMetas dates are uniform.
    // Eventually allow computation with arbirary slat dates.
    TimeColsSlatsCoords.prototype.computeTimeTop = function (duration) {
      var _a = this,
        positions = _a.positions,
        dateProfile = _a.dateProfile;
      var len = positions.els.length;
      // floating-point value of # of slots covered
      var slatCoverage = (duration.milliseconds - asRoughMs(dateProfile.slotMinTime)) / asRoughMs(this.slotDuration);
      var slatIndex;
      var slatRemainder;
      // compute a floating-point number for how many slats should be progressed through.
      // from 0 to number of slats (inclusive)
      // constrained because slotMinTime/slotMaxTime might be customized.
      slatCoverage = Math.max(0, slatCoverage);
      slatCoverage = Math.min(len, slatCoverage);
      // an integer index of the furthest whole slat
      // from 0 to number slats (*exclusive*, so len-1)
      slatIndex = Math.floor(slatCoverage);
      slatIndex = Math.min(slatIndex, len - 1);
      // how much further through the slatIndex slat (from 0.0-1.0) must be covered in addition.
      // could be 1.0 if slatCoverage is covering *all* the slots
      slatRemainder = slatCoverage - slatIndex;
      return positions.tops[slatIndex] + positions.getHeight(slatIndex) * slatRemainder;
    };
    return TimeColsSlatsCoords;
  })();

  var TimeColsSlatsBody = /** @class */ (function (_super) {
    __extends(TimeColsSlatsBody, _super);
    function TimeColsSlatsBody() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    TimeColsSlatsBody.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var options = context.options;
      var slatElRefs = props.slatElRefs;
      return createElement(
        'tbody',
        null,
        props.slatMetas.map(function (slatMeta, i) {
          var hookProps = {
            time: slatMeta.time,
            date: context.dateEnv.toDate(slatMeta.date),
            view: context.viewApi,
          };
          var classNames = ['fc-timegrid-slot', 'fc-timegrid-slot-lane', slatMeta.isLabeled ? '' : 'fc-timegrid-slot-minor'];
          return createElement(
            'tr',
            { key: slatMeta.key, ref: slatElRefs.createRef(slatMeta.key) },
            props.axis && createElement(TimeColsAxisCell, __assign({}, slatMeta)),
            createElement(
              RenderHook,
              { hookProps: hookProps, classNames: options.slotLaneClassNames, content: options.slotLaneContent, didMount: options.slotLaneDidMount, willUnmount: options.slotLaneWillUnmount },
              function (rootElRef, customClassNames, innerElRef, innerContent) {
                return createElement('td', { ref: rootElRef, className: classNames.concat(customClassNames).join(' '), 'data-time': slatMeta.isoTimeStr }, innerContent);
              },
            ),
          );
        }),
      );
    };
    return TimeColsSlatsBody;
  })(BaseComponent);

  /*
    for the horizontal "slats" that run width-wise. Has a time axis on a side. Depends on RTL.
    */
  var TimeColsSlats = /** @class */ (function (_super) {
    __extends(TimeColsSlats, _super);
    function TimeColsSlats() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.rootElRef = createRef();
      _this.slatElRefs = new RefMap();
      return _this;
    }
    TimeColsSlats.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      return createElement(
        'div',
        { ref: this.rootElRef, className: 'fc-timegrid-slots' },
        createElement(
          'table',
          {
            'aria-hidden': true,
            className: context.theme.getClass('table'),
            style: {
              minWidth: props.tableMinWidth,
              width: props.clientWidth,
              height: props.minHeight,
            },
          },
          props.tableColGroupNode /* relies on there only being a single <col> for the axis */,
          createElement(TimeColsSlatsBody, { slatElRefs: this.slatElRefs, axis: props.axis, slatMetas: props.slatMetas }),
        ),
      );
    };
    TimeColsSlats.prototype.componentDidMount = function () {
      this.updateSizing();
    };
    TimeColsSlats.prototype.componentDidUpdate = function () {
      this.updateSizing();
    };
    TimeColsSlats.prototype.componentWillUnmount = function () {
      if (this.props.onCoords) {
        this.props.onCoords(null);
      }
    };
    TimeColsSlats.prototype.updateSizing = function () {
      var _a = this,
        context = _a.context,
        props = _a.props;
      if (
        props.onCoords &&
        props.clientWidth !== null // means sizing has stabilized
      ) {
        var rootEl = this.rootElRef.current;
        if (rootEl.offsetHeight) {
          // not hidden by css
          props.onCoords(
            new TimeColsSlatsCoords(
              new PositionCache(this.rootElRef.current, collectSlatEls(this.slatElRefs.currentMap, props.slatMetas), false, true),
              this.props.dateProfile,
              context.options.slotDuration,
            ),
          );
        }
      }
    };
    return TimeColsSlats;
  })(BaseComponent);
  function collectSlatEls(elMap, slatMetas) {
    return slatMetas.map(function (slatMeta) {
      return elMap[slatMeta.key];
    });
  }

  function splitSegsByCol(segs, colCnt) {
    var segsByCol = [];
    var i;
    for (i = 0; i < colCnt; i += 1) {
      segsByCol.push([]);
    }
    if (segs) {
      for (i = 0; i < segs.length; i += 1) {
        segsByCol[segs[i].col].push(segs[i]);
      }
    }
    return segsByCol;
  }
  function splitInteractionByCol(ui, colCnt) {
    var byRow = [];
    if (!ui) {
      for (var i = 0; i < colCnt; i += 1) {
        byRow[i] = null;
      }
    } else {
      for (var i = 0; i < colCnt; i += 1) {
        byRow[i] = {
          affectedInstances: ui.affectedInstances,
          isEvent: ui.isEvent,
          segs: [],
        };
      }
      for (var _i = 0, _a = ui.segs; _i < _a.length; _i++) {
        var seg = _a[_i];
        byRow[seg.col].segs.push(seg);
      }
    }
    return byRow;
  }

  var TimeColMoreLink = /** @class */ (function (_super) {
    __extends(TimeColMoreLink, _super);
    function TimeColMoreLink() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.rootElRef = createRef();
      return _this;
    }
    TimeColMoreLink.prototype.render = function () {
      var _this = this;
      var props = this.props;
      return createElement(
        MoreLinkRoot,
        {
          allDayDate: null,
          moreCnt: props.hiddenSegs.length,
          allSegs: props.hiddenSegs,
          hiddenSegs: props.hiddenSegs,
          alignmentElRef: this.rootElRef,
          defaultContent: renderMoreLinkInner,
          extraDateSpan: props.extraDateSpan,
          dateProfile: props.dateProfile,
          todayRange: props.todayRange,
          popoverContent: function () {
            return renderPlainFgSegs(props.hiddenSegs, props);
          },
        },
        function (rootElRef, classNames, innerElRef, innerContent, handleClick, title, isExpanded, popoverId) {
          return createElement(
            'a',
            {
              ref: function (el) {
                setRef(rootElRef, el);
                setRef(_this.rootElRef, el);
              },
              className: ['fc-timegrid-more-link'].concat(classNames).join(' '),
              style: { top: props.top, bottom: props.bottom },
              onClick: handleClick,
              title: title,
              'aria-expanded': isExpanded,
              'aria-controls': popoverId,
            },
            createElement('div', { ref: innerElRef, className: 'fc-timegrid-more-link-inner fc-sticky' }, innerContent),
          );
        },
      );
    };
    return TimeColMoreLink;
  })(BaseComponent);
  function renderMoreLinkInner(props) {
    return props.shortText;
  }

  // segInputs assumed sorted
  function buildPositioning(segInputs, strictOrder, maxStackCnt) {
    var hierarchy = new SegHierarchy();
    if (strictOrder != null) {
      hierarchy.strictOrder = strictOrder;
    }
    if (maxStackCnt != null) {
      hierarchy.maxStackCnt = maxStackCnt;
    }
    var hiddenEntries = hierarchy.addSegs(segInputs);
    var hiddenGroups = groupIntersectingEntries(hiddenEntries);
    var web = buildWeb(hierarchy);
    web = stretchWeb(web, 1); // all levelCoords/thickness will have 0.0-1.0
    var segRects = webToRects(web);
    return { segRects: segRects, hiddenGroups: hiddenGroups };
  }
  function buildWeb(hierarchy) {
    var entriesByLevel = hierarchy.entriesByLevel;
    var buildNode = cacheable(
      function (level, lateral) {
        return level + ':' + lateral;
      },
      function (level, lateral) {
        var siblingRange = findNextLevelSegs(hierarchy, level, lateral);
        var nextLevelRes = buildNodes(siblingRange, buildNode);
        var entry = entriesByLevel[level][lateral];
        return [
          __assign(__assign({}, entry), { nextLevelNodes: nextLevelRes[0] }),
          entry.thickness + nextLevelRes[1], // the pressure builds
        ];
      },
    );
    return buildNodes(entriesByLevel.length ? { level: 0, lateralStart: 0, lateralEnd: entriesByLevel[0].length } : null, buildNode)[0];
  }
  function buildNodes(siblingRange, buildNode) {
    if (!siblingRange) {
      return [[], 0];
    }
    var level = siblingRange.level,
      lateralStart = siblingRange.lateralStart,
      lateralEnd = siblingRange.lateralEnd;
    var lateral = lateralStart;
    var pairs = [];
    while (lateral < lateralEnd) {
      pairs.push(buildNode(level, lateral));
      lateral += 1;
    }
    pairs.sort(cmpDescPressures);
    return [
      pairs.map(extractNode),
      pairs[0][1], // first item's pressure
    ];
  }
  function cmpDescPressures(a, b) {
    return b[1] - a[1];
  }
  function extractNode(a) {
    return a[0];
  }
  function findNextLevelSegs(hierarchy, subjectLevel, subjectLateral) {
    var levelCoords = hierarchy.levelCoords,
      entriesByLevel = hierarchy.entriesByLevel;
    var subjectEntry = entriesByLevel[subjectLevel][subjectLateral];
    var afterSubject = levelCoords[subjectLevel] + subjectEntry.thickness;
    var levelCnt = levelCoords.length;
    var level = subjectLevel;
    // skip past levels that are too high up
    for (; level < levelCnt && levelCoords[level] < afterSubject; level += 1); // do nothing
    for (; level < levelCnt; level += 1) {
      var entries = entriesByLevel[level];
      var entry = void 0;
      var searchIndex = binarySearch(entries, subjectEntry.span.start, getEntrySpanEnd);
      var lateralStart = searchIndex[0] + searchIndex[1]; // if exact match (which doesn't collide), go to next one
      var lateralEnd = lateralStart;
      while (
        // loop through entries that horizontally intersect
        (entry = entries[lateralEnd]) && // but not past the whole seg list
        entry.span.start < subjectEntry.span.end
      ) {
        lateralEnd += 1;
      }
      if (lateralStart < lateralEnd) {
        return { level: level, lateralStart: lateralStart, lateralEnd: lateralEnd };
      }
    }
    return null;
  }
  function stretchWeb(topLevelNodes, totalThickness) {
    var stretchNode = cacheable(
      function (node, startCoord, prevThickness) {
        return buildEntryKey(node);
      },
      function (node, startCoord, prevThickness) {
        var nextLevelNodes = node.nextLevelNodes,
          thickness = node.thickness;
        var allThickness = thickness + prevThickness;
        var thicknessFraction = thickness / allThickness;
        var endCoord;
        var newChildren = [];
        if (!nextLevelNodes.length) {
          endCoord = totalThickness;
        } else {
          for (var _i = 0, nextLevelNodes_1 = nextLevelNodes; _i < nextLevelNodes_1.length; _i++) {
            var childNode = nextLevelNodes_1[_i];
            if (endCoord === undefined) {
              var res = stretchNode(childNode, startCoord, allThickness);
              endCoord = res[0];
              newChildren.push(res[1]);
            } else {
              var res = stretchNode(childNode, endCoord, 0);
              newChildren.push(res[1]);
            }
          }
        }
        var newThickness = (endCoord - startCoord) * thicknessFraction;
        return [endCoord - newThickness, __assign(__assign({}, node), { thickness: newThickness, nextLevelNodes: newChildren })];
      },
    );
    return topLevelNodes.map(function (node) {
      return stretchNode(node, 0, 0)[1];
    });
  }
  // not sorted in any particular order
  function webToRects(topLevelNodes) {
    var rects = [];
    var processNode = cacheable(
      function (node, levelCoord, stackDepth) {
        return buildEntryKey(node);
      },
      function (node, levelCoord, stackDepth) {
        var rect = __assign(__assign({}, node), { levelCoord: levelCoord, stackDepth: stackDepth, stackForward: 0 });
        rects.push(rect);
        return (rect.stackForward = processNodes(node.nextLevelNodes, levelCoord + node.thickness, stackDepth + 1) + 1);
      },
    );
    function processNodes(nodes, levelCoord, stackDepth) {
      var stackForward = 0;
      for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) {
        var node = nodes_1[_i];
        stackForward = Math.max(processNode(node, levelCoord, stackDepth), stackForward);
      }
      return stackForward;
    }
    processNodes(topLevelNodes, 0, 0);
    return rects; // TODO: sort rects by levelCoord to be consistent with toRects?
  }
  // TODO: move to general util
  function cacheable(keyFunc, workFunc) {
    var cache = {};
    return function () {
      var args = [];
      for (var _i = 0; _i < arguments.length; _i++) {
        args[_i] = arguments[_i];
      }
      var key = keyFunc.apply(void 0, args);
      return key in cache ? cache[key] : (cache[key] = workFunc.apply(void 0, args));
    };
  }

  function computeSegVCoords(segs, colDate, slatCoords, eventMinHeight) {
    if (slatCoords === void 0) {
      slatCoords = null;
    }
    if (eventMinHeight === void 0) {
      eventMinHeight = 0;
    }
    var vcoords = [];
    if (slatCoords) {
      for (var i = 0; i < segs.length; i += 1) {
        var seg = segs[i];
        var spanStart = slatCoords.computeDateTop(seg.start, colDate);
        var spanEnd = Math.max(
          spanStart + (eventMinHeight || 0), // :(
          slatCoords.computeDateTop(seg.end, colDate),
        );
        vcoords.push({
          start: Math.round(spanStart),
          end: Math.round(spanEnd), //
        });
      }
    }
    return vcoords;
  }
  function computeFgSegPlacements(
    segs,
    segVCoords, // might not have for every seg
    eventOrderStrict,
    eventMaxStack,
  ) {
    var segInputs = [];
    var dumbSegs = []; // segs without coords
    for (var i = 0; i < segs.length; i += 1) {
      var vcoords = segVCoords[i];
      if (vcoords) {
        segInputs.push({
          index: i,
          thickness: 1,
          span: vcoords,
        });
      } else {
        dumbSegs.push(segs[i]);
      }
    }
    var _a = buildPositioning(segInputs, eventOrderStrict, eventMaxStack),
      segRects = _a.segRects,
      hiddenGroups = _a.hiddenGroups;
    var segPlacements = [];
    for (var _i = 0, segRects_1 = segRects; _i < segRects_1.length; _i++) {
      var segRect = segRects_1[_i];
      segPlacements.push({
        seg: segs[segRect.index],
        rect: segRect,
      });
    }
    for (var _b = 0, dumbSegs_1 = dumbSegs; _b < dumbSegs_1.length; _b++) {
      var dumbSeg = dumbSegs_1[_b];
      segPlacements.push({ seg: dumbSeg, rect: null });
    }
    return { segPlacements: segPlacements, hiddenGroups: hiddenGroups };
  }

  var DEFAULT_TIME_FORMAT$1 = createFormatter({
    hour: 'numeric',
    minute: '2-digit',
    meridiem: false,
  });
  var TimeColEvent = /** @class */ (function (_super) {
    __extends(TimeColEvent, _super);
    function TimeColEvent() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    TimeColEvent.prototype.render = function () {
      var classNames = ['fc-timegrid-event', 'fc-v-event'];
      if (this.props.isShort) {
        classNames.push('fc-timegrid-event-short');
      }
      return createElement(StandardEvent, __assign({}, this.props, { defaultTimeFormat: DEFAULT_TIME_FORMAT$1, extraClassNames: classNames }));
    };
    return TimeColEvent;
  })(BaseComponent);

  var TimeColMisc = /** @class */ (function (_super) {
    __extends(TimeColMisc, _super);
    function TimeColMisc() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    TimeColMisc.prototype.render = function () {
      var props = this.props;
      return createElement(
        DayCellContent,
        { date: props.date, dateProfile: props.dateProfile, todayRange: props.todayRange, extraHookProps: props.extraHookProps },
        function (innerElRef, innerContent) {
          return innerContent && createElement('div', { className: 'fc-timegrid-col-misc', ref: innerElRef }, innerContent);
        },
      );
    };
    return TimeColMisc;
  })(BaseComponent);

  var TimeCol = /** @class */ (function (_super) {
    __extends(TimeCol, _super);
    function TimeCol() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.sortEventSegs = memoize(sortEventSegs);
      return _this;
    }
    // TODO: memoize event-placement?
    TimeCol.prototype.render = function () {
      var _this = this;
      var _a = this,
        props = _a.props,
        context = _a.context;
      var isSelectMirror = context.options.selectMirror;
      var mirrorSegs = (props.eventDrag && props.eventDrag.segs) || (props.eventResize && props.eventResize.segs) || (isSelectMirror && props.dateSelectionSegs) || [];
      var interactionAffectedInstances = (props.eventDrag && props.eventDrag.affectedInstances) || (props.eventResize && props.eventResize.affectedInstances) || {}; // TODO: messy way to compute this
      var sortedFgSegs = this.sortEventSegs(props.fgEventSegs, context.options.eventOrder);
      return createElement(
        DayCellRoot,
        { elRef: props.elRef, date: props.date, dateProfile: props.dateProfile, todayRange: props.todayRange, extraHookProps: props.extraHookProps },
        function (rootElRef, classNames, dataAttrs) {
          return createElement(
            'td',
            __assign({ ref: rootElRef, role: 'gridcell', className: ['fc-timegrid-col'].concat(classNames, props.extraClassNames || []).join(' ') }, dataAttrs, props.extraDataAttrs),
            createElement(
              'div',
              { className: 'fc-timegrid-col-frame' },
              createElement(
                'div',
                { className: 'fc-timegrid-col-bg' },
                _this.renderFillSegs(props.businessHourSegs, 'non-business'),
                _this.renderFillSegs(props.bgEventSegs, 'bg-event'),
                _this.renderFillSegs(props.dateSelectionSegs, 'highlight'),
              ),
              createElement('div', { className: 'fc-timegrid-col-events' }, _this.renderFgSegs(sortedFgSegs, interactionAffectedInstances, false, false, false)),
              createElement('div', { className: 'fc-timegrid-col-events' }, _this.renderFgSegs(mirrorSegs, {}, Boolean(props.eventDrag), Boolean(props.eventResize), Boolean(isSelectMirror))),
              createElement('div', { className: 'fc-timegrid-now-indicator-container' }, _this.renderNowIndicator(props.nowIndicatorSegs)),
              createElement(TimeColMisc, { date: props.date, dateProfile: props.dateProfile, todayRange: props.todayRange, extraHookProps: props.extraHookProps }),
            ),
          );
        },
      );
    };
    TimeCol.prototype.renderFgSegs = function (sortedFgSegs, segIsInvisible, isDragging, isResizing, isDateSelecting) {
      var props = this.props;
      if (props.forPrint) {
        return renderPlainFgSegs(sortedFgSegs, props);
      }
      return this.renderPositionedFgSegs(sortedFgSegs, segIsInvisible, isDragging, isResizing, isDateSelecting);
    };
    TimeCol.prototype.renderPositionedFgSegs = function (
      segs, // if not mirror, needs to be sorted
      segIsInvisible,
      isDragging,
      isResizing,
      isDateSelecting,
    ) {
      var _this = this;
      var _a = this.context.options,
        eventMaxStack = _a.eventMaxStack,
        eventShortHeight = _a.eventShortHeight,
        eventOrderStrict = _a.eventOrderStrict,
        eventMinHeight = _a.eventMinHeight;
      var _b = this.props,
        date = _b.date,
        slatCoords = _b.slatCoords,
        eventSelection = _b.eventSelection,
        todayRange = _b.todayRange,
        nowDate = _b.nowDate;
      var isMirror = isDragging || isResizing || isDateSelecting;
      var segVCoords = computeSegVCoords(segs, date, slatCoords, eventMinHeight);
      var _c = computeFgSegPlacements(segs, segVCoords, eventOrderStrict, eventMaxStack),
        segPlacements = _c.segPlacements,
        hiddenGroups = _c.hiddenGroups;
      return createElement(
        Fragment,
        null,
        this.renderHiddenGroups(hiddenGroups, segs),
        segPlacements.map(function (segPlacement) {
          var seg = segPlacement.seg,
            rect = segPlacement.rect;
          var instanceId = seg.eventRange.instance.instanceId;
          var isVisible = isMirror || Boolean(!segIsInvisible[instanceId] && rect);
          var vStyle = computeSegVStyle(rect && rect.span);
          var hStyle = !isMirror && rect ? _this.computeSegHStyle(rect) : { left: 0, right: 0 };
          var isInset = Boolean(rect) && rect.stackForward > 0;
          var isShort = Boolean(rect) && rect.span.end - rect.span.start < eventShortHeight; // look at other places for this problem

          return createElement(
            'div',
            {
              className: 'fc-timegrid-event-harness' + (isInset ? ' fc-timegrid-event-harness-inset' : ''),
              key: instanceId,
              style: __assign(__assign({ visibility: isVisible ? '' : 'hidden' }, vStyle), hStyle),
            },
            createElement(
              TimeColEvent,
              __assign(
                { seg: seg, isDragging: isDragging, isResizing: isResizing, isDateSelecting: isDateSelecting, isSelected: instanceId === eventSelection, isShort: isShort },
                getSegMeta(seg, todayRange, nowDate),
              ),
            ),
          );
        }),
      );
    };
    // will already have eventMinHeight applied because segInputs already had it
    TimeCol.prototype.renderHiddenGroups = function (hiddenGroups, segs) {
      var _a = this.props,
        extraDateSpan = _a.extraDateSpan,
        dateProfile = _a.dateProfile,
        todayRange = _a.todayRange,
        nowDate = _a.nowDate,
        eventSelection = _a.eventSelection,
        eventDrag = _a.eventDrag,
        eventResize = _a.eventResize;
      return createElement(
        Fragment,
        null,
        hiddenGroups.map(function (hiddenGroup) {
          var positionCss = computeSegVStyle(hiddenGroup.span);
          var hiddenSegs = compileSegsFromEntries(hiddenGroup.entries, segs);
          return createElement(TimeColMoreLink, {
            key: buildIsoString(computeEarliestSegStart(hiddenSegs)),
            hiddenSegs: hiddenSegs,
            top: positionCss.top,
            bottom: positionCss.bottom,
            extraDateSpan: extraDateSpan,
            dateProfile: dateProfile,
            todayRange: todayRange,
            nowDate: nowDate,
            eventSelection: eventSelection,
            eventDrag: eventDrag,
            eventResize: eventResize,
          });
        }),
      );
    };
    TimeCol.prototype.renderFillSegs = function (segs, fillType) {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var segVCoords = computeSegVCoords(segs, props.date, props.slatCoords, context.options.eventMinHeight); // don't assume all populated
      var children = segVCoords.map(function (vcoords, i) {
        var seg = segs[i];
        return createElement(
          'div',
          { key: buildEventRangeKey(seg.eventRange), className: 'fc-timegrid-bg-harness', style: computeSegVStyle(vcoords) },
          fillType === 'bg-event' ? createElement(BgEvent, __assign({ seg: seg }, getSegMeta(seg, props.todayRange, props.nowDate))) : renderFill(fillType),
        );
      });
      return createElement(Fragment, null, children);
    };
    TimeCol.prototype.renderNowIndicator = function (segs) {
      var _a = this.props,
        slatCoords = _a.slatCoords,
        date = _a.date;
      if (!slatCoords) {
        return null;
      }
      return segs.map(function (seg, i) {
        return createElement(
          NowIndicatorRoot,
          {
            isAxis: false,
            date: date,
            // key doesn't matter. will only ever be one
            key: i,
          },
          function (rootElRef, classNames, innerElRef, innerContent) {
            return createElement(
              'div',
              { ref: rootElRef, className: ['fc-timegrid-now-indicator-line'].concat(classNames).join(' '), style: { top: slatCoords.computeDateTop(seg.start, date) } },
              innerContent,
            );
          },
        );
      });
    };
    TimeCol.prototype.computeSegHStyle = function (segHCoords) {
      var _a = this.context,
        isRtl = _a.isRtl,
        options = _a.options;
      var shouldOverlap = options.slotEventOverlap;
      var nearCoord = segHCoords.levelCoord; // the left side if LTR. the right side if RTL. floating-point
      var farCoord = segHCoords.levelCoord + segHCoords.thickness; // the right side if LTR. the left side if RTL. floating-point
      var left; // amount of space from left edge, a fraction of the total width
      var right; // amount of space from right edge, a fraction of the total width
      if (shouldOverlap) {
        // double the width, but don't go beyond the maximum forward coordinate (1.0)
        farCoord = Math.min(1, nearCoord + (farCoord - nearCoord) * 2);
      }
      if (isRtl) {
        left = 1 - farCoord;
        right = nearCoord;
      } else {
        left = nearCoord;
        right = 1 - farCoord;
      }
      var props = {
        zIndex: segHCoords.stackDepth + 1,
        left: left * 100 + '%',
        right: right * 100 + '%',
      };
      if (shouldOverlap && !segHCoords.stackForward) {
        // add padding to the edge so that forward stacked events don't cover the resizer's icon
        props[isRtl ? 'marginLeft' : 'marginRight'] = 10 * 2; // 10 is a guesstimate of the icon's width
      }
      return props;
    };
    return TimeCol;
  })(BaseComponent);
  function renderPlainFgSegs(sortedFgSegs, _a) {
    var todayRange = _a.todayRange,
      nowDate = _a.nowDate,
      eventSelection = _a.eventSelection,
      eventDrag = _a.eventDrag,
      eventResize = _a.eventResize;
    var hiddenInstances = (eventDrag ? eventDrag.affectedInstances : null) || (eventResize ? eventResize.affectedInstances : null) || {};
    return createElement(
      Fragment,
      null,
      sortedFgSegs.map(function (seg) {
        var instanceId = seg.eventRange.instance.instanceId;
        return createElement(
          'div',
          { key: instanceId, style: { visibility: hiddenInstances[instanceId] ? 'hidden' : '' } },
          createElement(
            TimeColEvent,
            __assign({ seg: seg, isDragging: false, isResizing: false, isDateSelecting: false, isSelected: instanceId === eventSelection, isShort: false }, getSegMeta(seg, todayRange, nowDate)),
          ),
        );
      }),
    );
  }
  function computeSegVStyle(segVCoords) {
    if (!segVCoords) {
      return { top: '', bottom: '' };
    }
    return {
      top: segVCoords.start,
      bottom: -segVCoords.end,
    };
  }
  function compileSegsFromEntries(segEntries, allSegs) {
    return segEntries.map(function (segEntry) {
      return allSegs[segEntry.index];
    });
  }

  var TimeColsContent = /** @class */ (function (_super) {
    __extends(TimeColsContent, _super);
    function TimeColsContent() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.splitFgEventSegs = memoize(splitSegsByCol);
      _this.splitBgEventSegs = memoize(splitSegsByCol);
      _this.splitBusinessHourSegs = memoize(splitSegsByCol);
      _this.splitNowIndicatorSegs = memoize(splitSegsByCol);
      _this.splitDateSelectionSegs = memoize(splitSegsByCol);
      _this.splitEventDrag = memoize(splitInteractionByCol);
      _this.splitEventResize = memoize(splitInteractionByCol);
      _this.rootElRef = createRef();
      _this.cellElRefs = new RefMap();
      return _this;
    }
    TimeColsContent.prototype.render = function () {
      var _this = this;
      var _a = this,
        props = _a.props,
        context = _a.context;
      var nowIndicatorTop = context.options.nowIndicator && props.slatCoords && props.slatCoords.safeComputeTop(props.nowDate); // might return void
      var colCnt = props.cells.length;
      var fgEventSegsByRow = this.splitFgEventSegs(props.fgEventSegs, colCnt);
      var bgEventSegsByRow = this.splitBgEventSegs(props.bgEventSegs, colCnt);
      var businessHourSegsByRow = this.splitBusinessHourSegs(props.businessHourSegs, colCnt);
      var nowIndicatorSegsByRow = this.splitNowIndicatorSegs(props.nowIndicatorSegs, colCnt);
      var dateSelectionSegsByRow = this.splitDateSelectionSegs(props.dateSelectionSegs, colCnt);
      var eventDragByRow = this.splitEventDrag(props.eventDrag, colCnt);
      var eventResizeByRow = this.splitEventResize(props.eventResize, colCnt);
      return createElement(
        'div',
        { className: 'fc-timegrid-cols', ref: this.rootElRef },
        createElement(
          'table',
          {
            role: 'presentation',
            style: {
              minWidth: props.tableMinWidth,
              width: props.clientWidth,
            },
          },
          props.tableColGroupNode,
          createElement(
            'tbody',
            { role: 'presentation' },
            createElement(
              'tr',
              { role: 'row' },
              props.axis &&
                createElement(
                  'td',
                  { 'aria-hidden': true, className: 'fc-timegrid-col fc-timegrid-axis' },
                  createElement(
                    'div',
                    { className: 'fc-timegrid-col-frame' },
                    createElement(
                      'div',
                      { className: 'fc-timegrid-now-indicator-container' },
                      typeof nowIndicatorTop === 'number' &&
                        createElement(NowIndicatorRoot, { isAxis: true, date: props.nowDate }, function (rootElRef, classNames, innerElRef, innerContent) {
                          return createElement('div', { ref: rootElRef, className: ['fc-timegrid-now-indicator-arrow'].concat(classNames).join(' '), style: { top: nowIndicatorTop } }, innerContent);
                        }),
                    ),
                  ),
                ),
              props.cells.map(function (cell, i) {
                return createElement(TimeCol, {
                  key: cell.key,
                  elRef: _this.cellElRefs.createRef(cell.key),
                  dateProfile: props.dateProfile,
                  date: cell.date,
                  nowDate: props.nowDate,
                  todayRange: props.todayRange,
                  extraHookProps: cell.extraHookProps,
                  extraDataAttrs: cell.extraDataAttrs,
                  extraClassNames: cell.extraClassNames,
                  extraDateSpan: cell.extraDateSpan,
                  fgEventSegs: fgEventSegsByRow[i],
                  bgEventSegs: bgEventSegsByRow[i],
                  businessHourSegs: businessHourSegsByRow[i],
                  nowIndicatorSegs: nowIndicatorSegsByRow[i],
                  dateSelectionSegs: dateSelectionSegsByRow[i],
                  eventDrag: eventDragByRow[i],
                  eventResize: eventResizeByRow[i],
                  slatCoords: props.slatCoords,
                  eventSelection: props.eventSelection,
                  forPrint: props.forPrint,
                });
              }),
            ),
          ),
        ),
      );
    };
    TimeColsContent.prototype.componentDidMount = function () {
      this.updateCoords();
    };
    TimeColsContent.prototype.componentDidUpdate = function () {
      this.updateCoords();
    };
    TimeColsContent.prototype.updateCoords = function () {
      var props = this.props;
      if (
        props.onColCoords &&
        props.clientWidth !== null // means sizing has stabilized
      ) {
        props.onColCoords(
          new PositionCache(
            this.rootElRef.current,
            collectCellEls(this.cellElRefs.currentMap, props.cells),
            true, // horizontal
            false,
          ),
        );
      }
    };
    return TimeColsContent;
  })(BaseComponent);
  function collectCellEls(elMap, cells) {
    return cells.map(function (cell) {
      return elMap[cell.key];
    });
  }

  /* A component that renders one or more columns of vertical time slots
    ----------------------------------------------------------------------------------------------------------------------*/
  var TimeCols = /** @class */ (function (_super) {
    __extends(TimeCols, _super);
    function TimeCols() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.processSlotOptions = memoize(processSlotOptions);
      _this.state = {
        slatCoords: null,
      };
      _this.handleRootEl = function (el) {
        if (el) {
          _this.context.registerInteractiveComponent(_this, {
            el: el,
            isHitComboAllowed: _this.props.isHitComboAllowed,
          });
        } else {
          _this.context.unregisterInteractiveComponent(_this);
        }
      };
      _this.handleScrollRequest = function (request) {
        var onScrollTopRequest = _this.props.onScrollTopRequest;
        var slatCoords = _this.state.slatCoords;
        if (onScrollTopRequest && slatCoords) {
          if (request.time) {
            var top_1 = slatCoords.computeTimeTop(request.time);
            top_1 = Math.ceil(top_1); // zoom can give weird floating-point values. rather scroll a little bit further
            if (top_1) {
              top_1 += 1; // to overcome top border that slots beyond the first have. looks better
            }
            onScrollTopRequest(top_1);
          }
          return true;
        }
        return false;
      };
      _this.handleColCoords = function (colCoords) {
        _this.colCoords = colCoords;
      };
      _this.handleSlatCoords = function (slatCoords) {
        _this.setState({ slatCoords: slatCoords });
        if (_this.props.onSlatCoords) {
          _this.props.onSlatCoords(slatCoords);
        }
      };
      return _this;
    }
    TimeCols.prototype.render = function () {
      var _a = this,
        props = _a.props,
        state = _a.state;
      return createElement(
        'div',
        {
          className: 'fc-timegrid-body',
          ref: this.handleRootEl,
          style: {
            // these props are important to give this wrapper correct dimensions for interactions
            // TODO: if we set it here, can we avoid giving to inner tables?
            width: props.clientWidth,
            minWidth: props.tableMinWidth,
          },
        },
        createElement(TimeColsSlats, {
          axis: props.axis,
          dateProfile: props.dateProfile,
          slatMetas: props.slatMetas,
          clientWidth: props.clientWidth,
          minHeight: props.expandRows ? props.clientHeight : '',
          tableMinWidth: props.tableMinWidth,
          tableColGroupNode: props.axis ? props.tableColGroupNode : null /* axis depends on the colgroup's shrinking */,
          onCoords: this.handleSlatCoords,
        }),
        createElement(TimeColsContent, {
          cells: props.cells,
          axis: props.axis,
          dateProfile: props.dateProfile,
          businessHourSegs: props.businessHourSegs,
          bgEventSegs: props.bgEventSegs,
          fgEventSegs: props.fgEventSegs,
          dateSelectionSegs: props.dateSelectionSegs,
          eventSelection: props.eventSelection,
          eventDrag: props.eventDrag,
          eventResize: props.eventResize,
          todayRange: props.todayRange,
          nowDate: props.nowDate,
          nowIndicatorSegs: props.nowIndicatorSegs,
          clientWidth: props.clientWidth,
          tableMinWidth: props.tableMinWidth,
          tableColGroupNode: props.tableColGroupNode,
          slatCoords: state.slatCoords,
          onColCoords: this.handleColCoords,
          forPrint: props.forPrint,
        }),
      );
    };
    TimeCols.prototype.componentDidMount = function () {
      this.scrollResponder = this.context.createScrollResponder(this.handleScrollRequest);
    };
    TimeCols.prototype.componentDidUpdate = function (prevProps) {
      this.scrollResponder.update(prevProps.dateProfile !== this.props.dateProfile);
    };
    TimeCols.prototype.componentWillUnmount = function () {
      this.scrollResponder.detach();
    };
    TimeCols.prototype.queryHit = function (positionLeft, positionTop) {
      var _a = this.context,
        dateEnv = _a.dateEnv,
        options = _a.options;
      var colCoords = this.colCoords;
      var dateProfile = this.props.dateProfile;
      var slatCoords = this.state.slatCoords;
      var _b = this.processSlotOptions(this.props.slotDuration, options.snapDuration),
        snapDuration = _b.snapDuration,
        snapsPerSlot = _b.snapsPerSlot;
      var colIndex = colCoords.leftToIndex(positionLeft);
      var slatIndex = slatCoords.positions.topToIndex(positionTop);
      if (colIndex != null && slatIndex != null) {
        var cell = this.props.cells[colIndex];
        var slatTop = slatCoords.positions.tops[slatIndex];
        var slatHeight = slatCoords.positions.getHeight(slatIndex);
        var partial = (positionTop - slatTop) / slatHeight; // floating point number between 0 and 1
        var localSnapIndex = Math.floor(partial * snapsPerSlot); // the snap # relative to start of slat
        var snapIndex = slatIndex * snapsPerSlot + localSnapIndex;
        var dayDate = this.props.cells[colIndex].date;
        var time = addDurations(dateProfile.slotMinTime, multiplyDuration(snapDuration, snapIndex));
        var start = dateEnv.add(dayDate, time);
        var end = dateEnv.add(start, snapDuration);
        return {
          dateProfile: dateProfile,
          dateSpan: __assign({ range: { start: start, end: end }, allDay: false }, cell.extraDateSpan),
          dayEl: colCoords.els[colIndex],
          rect: {
            left: colCoords.lefts[colIndex],
            right: colCoords.rights[colIndex],
            top: slatTop,
            bottom: slatTop + slatHeight,
          },
          layer: 0,
        };
      }
      return null;
    };
    return TimeCols;
  })(DateComponent);
  function processSlotOptions(slotDuration, snapDurationOverride) {
    var snapDuration = snapDurationOverride || slotDuration;
    var snapsPerSlot = wholeDivideDurations(slotDuration, snapDuration);
    if (snapsPerSlot === null) {
      snapDuration = slotDuration;
      snapsPerSlot = 1;
      // TODO: say warning?
    }
    return { snapDuration: snapDuration, snapsPerSlot: snapsPerSlot };
  }

  var DayTimeColsSlicer = /** @class */ (function (_super) {
    __extends(DayTimeColsSlicer, _super);
    function DayTimeColsSlicer() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    DayTimeColsSlicer.prototype.sliceRange = function (range, dayRanges) {
      var segs = [];
      for (var col = 0; col < dayRanges.length; col += 1) {
        var segRange = intersectRanges(range, dayRanges[col]);
        if (segRange) {
          segs.push({
            start: segRange.start,
            end: segRange.end,
            isStart: segRange.start.valueOf() === range.start.valueOf(),
            isEnd: segRange.end.valueOf() === range.end.valueOf(),
            col: col,
          });
        }
      }
      return segs;
    };
    return DayTimeColsSlicer;
  })(Slicer);

  var DayTimeCols = /** @class */ (function (_super) {
    __extends(DayTimeCols, _super);
    function DayTimeCols() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.buildDayRanges = memoize(buildDayRanges);
      _this.slicer = new DayTimeColsSlicer();
      _this.timeColsRef = createRef();
      return _this;
    }
    DayTimeCols.prototype.render = function () {
      var _this = this;
      var _a = this,
        props = _a.props,
        context = _a.context;
      var dateProfile = props.dateProfile,
        dayTableModel = props.dayTableModel;
      var isNowIndicator = context.options.nowIndicator;
      var dayRanges = this.buildDayRanges(dayTableModel, dateProfile, context.dateEnv);
      // give it the first row of cells
      // TODO: would move this further down hierarchy, but sliceNowDate needs it
      return createElement(NowTimer, { unit: isNowIndicator ? 'minute' : 'day' }, function (nowDate, todayRange) {
        return createElement(
          TimeCols,
          __assign({ ref: _this.timeColsRef }, _this.slicer.sliceProps(props, dateProfile, null, context, dayRanges), {
            forPrint: props.forPrint,
            axis: props.axis,
            dateProfile: dateProfile,
            slatMetas: props.slatMetas,
            slotDuration: props.slotDuration,
            cells: dayTableModel.cells[0],
            tableColGroupNode: props.tableColGroupNode,
            tableMinWidth: props.tableMinWidth,
            clientWidth: props.clientWidth,
            clientHeight: props.clientHeight,
            expandRows: props.expandRows,
            nowDate: nowDate,
            nowIndicatorSegs: isNowIndicator && _this.slicer.sliceNowDate(nowDate, context, dayRanges),
            todayRange: todayRange,
            onScrollTopRequest: props.onScrollTopRequest,
            onSlatCoords: props.onSlatCoords,
          }),
        );
      });
    };
    return DayTimeCols;
  })(DateComponent);
  function buildDayRanges(dayTableModel, dateProfile, dateEnv) {
    var ranges = [];
    for (var _i = 0, _a = dayTableModel.headerDates; _i < _a.length; _i++) {
      var date = _a[_i];
      ranges.push({
        start: dateEnv.add(date, dateProfile.slotMinTime),
        end: dateEnv.add(date, dateProfile.slotMaxTime),
      });
    }
    return ranges;
  }

  // potential nice values for the slot-duration and interval-duration
  // from largest to smallest
  var STOCK_SUB_DURATIONS = [{ hours: 1 }, { minutes: 30 }, { minutes: 15 }, { seconds: 30 }, { seconds: 15 }];
  function buildSlatMetas(slotMinTime, slotMaxTime, explicitLabelInterval, slotDuration, dateEnv) {
    var dayStart = new Date(0);
    var slatTime = slotMinTime;
    var slatIterator = createDuration(0);
    var labelInterval = explicitLabelInterval || computeLabelInterval(slotDuration);
    var metas = [];
    while (asRoughMs(slatTime) < asRoughMs(slotMaxTime)) {
      var date = dateEnv.add(dayStart, slatTime);
      var isLabeled = wholeDivideDurations(slatIterator, labelInterval) !== null;
      metas.push({
        date: date,
        time: slatTime,
        key: date.toISOString(),
        isoTimeStr: formatIsoTimeString(date),
        isLabeled: isLabeled,
      });
      slatTime = addDurations(slatTime, slotDuration);
      slatIterator = addDurations(slatIterator, slotDuration);
    }
    return metas;
  }
  // Computes an automatic value for slotLabelInterval
  function computeLabelInterval(slotDuration) {
    var i;
    var labelInterval;
    var slotsPerLabel;
    // find the smallest stock label interval that results in more than one slots-per-label
    for (i = STOCK_SUB_DURATIONS.length - 1; i >= 0; i -= 1) {
      labelInterval = createDuration(STOCK_SUB_DURATIONS[i]);
      slotsPerLabel = wholeDivideDurations(labelInterval, slotDuration);
      if (slotsPerLabel !== null && slotsPerLabel > 1) {
        return labelInterval;
      }
    }
    return slotDuration; // fall back
  }

  var DayTimeColsView = /** @class */ (function (_super) {
    __extends(DayTimeColsView, _super);
    function DayTimeColsView() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.buildTimeColsModel = memoize(buildTimeColsModel);
      _this.buildSlatMetas = memoize(buildSlatMetas);
      return _this;
    }
    DayTimeColsView.prototype.render = function () {
      var _this = this;
      var _a = this.context,
        options = _a.options,
        dateEnv = _a.dateEnv,
        dateProfileGenerator = _a.dateProfileGenerator;
      var props = this.props;
      var dateProfile = props.dateProfile;
      var dayTableModel = this.buildTimeColsModel(dateProfile, dateProfileGenerator);
      var splitProps = this.allDaySplitter.splitProps(props);
      var slatMetas = this.buildSlatMetas(dateProfile.slotMinTime, dateProfile.slotMaxTime, options.slotLabelInterval, options.slotDuration, dateEnv);
      var dayMinWidth = options.dayMinWidth;
      var hasAttachedAxis = !dayMinWidth;
      var hasDetachedAxis = dayMinWidth;
      var headerContent =
        options.dayHeaders &&
        createElement(DayHeader, { dates: dayTableModel.headerDates, dateProfile: dateProfile, datesRepDistinctDays: true, renderIntro: hasAttachedAxis ? this.renderHeadAxis : null });
      var allDayContent =
        options.allDaySlot !== false &&
        function (contentArg) {
          return createElement(
            DayTable,
            __assign(
              {},
              splitProps.allDay,
              {
                dateProfile: dateProfile,
                dayTableModel: dayTableModel,
                nextDayThreshold: options.nextDayThreshold,
                tableMinWidth: contentArg.tableMinWidth,
                colGroupNode: contentArg.tableColGroupNode,
                renderRowIntro: hasAttachedAxis ? _this.renderTableRowAxis : null,
                showWeekNumbers: false,
                expandRows: false,
                headerAlignElRef: _this.headerElRef,
                clientWidth: contentArg.clientWidth,
                clientHeight: contentArg.clientHeight,
                forPrint: props.forPrint,
              },
              _this.getAllDayMaxEventProps(),
            ),
          );
        };
      var timeGridContent = function (contentArg) {
        return createElement(
          DayTimeCols,
          __assign({}, splitProps.timed, {
            dayTableModel: dayTableModel,
            dateProfile: dateProfile,
            axis: hasAttachedAxis,
            slotDuration: options.slotDuration,
            slatMetas: slatMetas,
            forPrint: props.forPrint,
            tableColGroupNode: contentArg.tableColGroupNode,
            tableMinWidth: contentArg.tableMinWidth,
            clientWidth: contentArg.clientWidth,
            clientHeight: contentArg.clientHeight,
            onSlatCoords: _this.handleSlatCoords,
            expandRows: contentArg.expandRows,
            onScrollTopRequest: _this.handleScrollTopRequest,
          }),
        );
      };
      return hasDetachedAxis
        ? this.renderHScrollLayout(headerContent, allDayContent, timeGridContent, dayTableModel.colCnt, dayMinWidth, slatMetas, this.state.slatCoords)
        : this.renderSimpleLayout(headerContent, allDayContent, timeGridContent);
    };
    return DayTimeColsView;
  })(TimeColsView);
  function buildTimeColsModel(dateProfile, dateProfileGenerator) {
    var daySeries = new DaySeriesModel(dateProfile.renderRange, dateProfileGenerator);
    return new DayTableModel(daySeries, false);
  }

  var OPTION_REFINERS$2 = {
    allDaySlot: Boolean,
  };

  var timeGridPlugin = createPlugin({
    initialView: 'timeGridWeek',
    optionRefiners: OPTION_REFINERS$2,
    views: {
      timeGrid: {
        component: DayTimeColsView,
        usesMinMaxTime: true,
        allDaySlot: true,
        slotDuration: '00:30:00',
        slotEventOverlap: true, // a bad name. confused with overlap/constraint system
      },
      timeGridDay: {
        type: 'timeGrid',
        duration: { days: 1 },
      },
      timeGridWeek: {
        type: 'timeGrid',
        duration: { weeks: 1 },
      },
    },
  });

  var ListViewHeaderRow = /** @class */ (function (_super) {
    __extends(ListViewHeaderRow, _super);
    function ListViewHeaderRow() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.state = {
        textId: getUniqueDomId(),
      };
      return _this;
    }
    ListViewHeaderRow.prototype.render = function () {
      var _a = this.context,
        theme = _a.theme,
        dateEnv = _a.dateEnv,
        options = _a.options,
        viewApi = _a.viewApi;
      var _b = this.props,
        cellId = _b.cellId,
        dayDate = _b.dayDate,
        todayRange = _b.todayRange;
      var textId = this.state.textId;
      var dayMeta = getDateMeta(dayDate, todayRange);
      // will ever be falsy?
      var text = options.listDayFormat ? dateEnv.format(dayDate, options.listDayFormat) : '';
      // will ever be falsy? also, BAD NAME "alt"
      var sideText = options.listDaySideFormat ? dateEnv.format(dayDate, options.listDaySideFormat) : '';
      var hookProps = __assign(
        {
          date: dateEnv.toDate(dayDate),
          view: viewApi,
          textId: textId,
          text: text,
          sideText: sideText,
          navLinkAttrs: buildNavLinkAttrs(this.context, dayDate),
          sideNavLinkAttrs: buildNavLinkAttrs(this.context, dayDate, 'day', false),
        },
        dayMeta,
      );
      var classNames = ['fc-list-day'].concat(getDayClassNames(dayMeta, theme));
      // TODO: make a reusable HOC for dayHeader (used in daygrid/timegrid too)
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.dayHeaderClassNames,
          content: options.dayHeaderContent,
          defaultContent: renderInnerContent,
          didMount: options.dayHeaderDidMount,
          willUnmount: options.dayHeaderWillUnmount,
        },
        function (rootElRef, customClassNames, innerElRef, innerContent) {
          return createElement(
            'tr',
            { ref: rootElRef, className: classNames.concat(customClassNames).join(' '), 'data-date': formatDayString(dayDate) },
            createElement(
              'th',
              { scope: 'colgroup', colSpan: 3, id: cellId, 'aria-labelledby': textId },
              createElement('div', { className: 'fc-list-day-cushion ' + theme.getClass('tableCellShaded'), ref: innerElRef }, innerContent),
            ),
          );
        },
      );
    };
    return ListViewHeaderRow;
  })(BaseComponent);
  function renderInnerContent(props) {
    return createElement(
      Fragment,
      null,
      props.text && createElement('a', __assign({ id: props.textId, className: 'fc-list-day-text' }, props.navLinkAttrs), props.text),
      props.sideText && /* not keyboard tabbable */ createElement('a', __assign({ 'aria-hidden': true, className: 'fc-list-day-side-text' }, props.sideNavLinkAttrs), props.sideText),
    );
  }

  var DEFAULT_TIME_FORMAT = createFormatter({
    hour: 'numeric',
    minute: '2-digit',
    meridiem: 'short',
  });
  var ListViewEventRow = /** @class */ (function (_super) {
    __extends(ListViewEventRow, _super);
    function ListViewEventRow() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    ListViewEventRow.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context;
      var seg = props.seg,
        timeHeaderId = props.timeHeaderId,
        eventHeaderId = props.eventHeaderId,
        dateHeaderId = props.dateHeaderId;
      var timeFormat = context.options.eventTimeFormat || DEFAULT_TIME_FORMAT;
      return createElement(
        EventRoot,
        {
          seg: seg,
          timeText: '', // BAD. because of all-day content
          disableDragging: true,
          disableResizing: true,
          defaultContent: function () {
            return renderEventInnerContent(seg, context);
          } /* weird */,
          isPast: props.isPast,
          isFuture: props.isFuture,
          isToday: props.isToday,
          isSelected: props.isSelected,
          isDragging: props.isDragging,
          isResizing: props.isResizing,
          isDateSelecting: props.isDateSelecting,
        },
        function (rootElRef, classNames, innerElRef, innerContent, hookProps) {
          return createElement(
            'tr',
            { className: ['fc-list-event', hookProps.event.url ? 'fc-event-forced-url' : ''].concat(classNames).join(' '), ref: rootElRef },
            buildTimeContent(seg, timeFormat, context, timeHeaderId, dateHeaderId),
            createElement(
              'td',
              { 'aria-hidden': true, className: 'fc-list-event-graphic' },
              createElement('span', { className: 'fc-list-event-dot', style: { borderColor: hookProps.borderColor || hookProps.backgroundColor } }),
            ),
            createElement('td', { ref: innerElRef, headers: eventHeaderId + ' ' + dateHeaderId, className: 'fc-list-event-title' }, innerContent),
          );
        },
      );
    };
    return ListViewEventRow;
  })(BaseComponent);
  function renderEventInnerContent(seg, context) {
    var interactiveAttrs = getSegAnchorAttrs(seg, context);
    return createElement('a', __assign({}, interactiveAttrs), seg.eventRange.def.title);
  }
  function buildTimeContent(seg, timeFormat, context, timeHeaderId, dateHeaderId) {
    var options = context.options;
    if (options.displayEventTime !== false) {
      var eventDef = seg.eventRange.def;
      var eventInstance = seg.eventRange.instance;
      var doAllDay = false;
      var timeText = void 0;
      if (eventDef.allDay) {
        doAllDay = true;
      } else if (isMultiDayRange(seg.eventRange.range)) {
        // TODO: use (!isStart || !isEnd) instead?
        if (seg.isStart) {
          timeText = buildSegTimeText(seg, timeFormat, context, null, null, eventInstance.range.start, seg.end);
        } else if (seg.isEnd) {
          timeText = buildSegTimeText(seg, timeFormat, context, null, null, seg.start, eventInstance.range.end);
        } else {
          doAllDay = true;
        }
      } else {
        timeText = buildSegTimeText(seg, timeFormat, context);
      }
      if (doAllDay) {
        var hookProps = {
          text: context.options.allDayText,
          view: context.viewApi,
        };
        return createElement(
          RenderHook,
          {
            hookProps: hookProps,
            classNames: options.allDayClassNames,
            content: options.allDayContent,
            defaultContent: renderAllDayInner,
            didMount: options.allDayDidMount,
            willUnmount: options.allDayWillUnmount,
          },
          function (rootElRef, classNames, innerElRef, innerContent) {
            return createElement('td', { ref: rootElRef, headers: timeHeaderId + ' ' + dateHeaderId, className: ['fc-list-event-time'].concat(classNames).join(' ') }, innerContent);
          },
        );
      }
      return createElement('td', { className: 'fc-list-event-time' }, timeText);
    }
    return null;
  }
  function renderAllDayInner(hookProps) {
    return hookProps.text;
  }

  /*
    Responsible for the scroller, and forwarding event-related actions into the "grid".
    */
  var ListView = /** @class */ (function (_super) {
    __extends(ListView, _super);
    function ListView() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this;
      _this.computeDateVars = memoize(computeDateVars);
      _this.eventStoreToSegs = memoize(_this._eventStoreToSegs);
      _this.state = {
        timeHeaderId: getUniqueDomId(),
        eventHeaderId: getUniqueDomId(),
        dateHeaderIdRoot: getUniqueDomId(),
      };
      _this.setRootEl = function (rootEl) {
        if (rootEl) {
          _this.context.registerInteractiveComponent(_this, {
            el: rootEl,
          });
        } else {
          _this.context.unregisterInteractiveComponent(_this);
        }
      };
      return _this;
    }
    ListView.prototype.render = function () {
      var _this = this;
      var _a = this,
        props = _a.props,
        context = _a.context;
      var extraClassNames = ['fc-list', context.theme.getClass('table'), context.options.stickyHeaderDates !== false ? 'fc-list-sticky' : ''];
      var _b = this.computeDateVars(props.dateProfile),
        dayDates = _b.dayDates,
        dayRanges = _b.dayRanges;
      var eventSegs = this.eventStoreToSegs(props.eventStore, props.eventUiBases, dayRanges);
      return createElement(ViewRoot, { viewSpec: context.viewSpec, elRef: this.setRootEl }, function (rootElRef, classNames) {
        return createElement(
          'div',
          { ref: rootElRef, className: extraClassNames.concat(classNames).join(' ') },
          createElement(
            Scroller,
            { liquid: !props.isHeightAuto, overflowX: props.isHeightAuto ? 'visible' : 'hidden', overflowY: props.isHeightAuto ? 'visible' : 'auto' },
            eventSegs.length > 0 ? _this.renderSegList(eventSegs, dayDates) : _this.renderEmptyMessage(),
          ),
        );
      });
    };
    ListView.prototype.renderEmptyMessage = function () {
      var _a = this.context,
        options = _a.options,
        viewApi = _a.viewApi;
      var hookProps = {
        text: options.noEventsText,
        view: viewApi,
      };
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.noEventsClassNames,
          content: options.noEventsContent,
          defaultContent: renderNoEventsInner,
          didMount: options.noEventsDidMount,
          willUnmount: options.noEventsWillUnmount,
        },
        function (rootElRef, classNames, innerElRef, innerContent) {
          return createElement(
            'div',
            { className: ['fc-list-empty'].concat(classNames).join(' '), ref: rootElRef },
            createElement('div', { className: 'fc-list-empty-cushion', ref: innerElRef }, innerContent),
          );
        },
      );
    };
    ListView.prototype.renderSegList = function (allSegs, dayDates) {
      var _a = this.context,
        theme = _a.theme,
        options = _a.options;
      var _b = this.state,
        timeHeaderId = _b.timeHeaderId,
        eventHeaderId = _b.eventHeaderId,
        dateHeaderIdRoot = _b.dateHeaderIdRoot;
      var segsByDay = groupSegsByDay(allSegs); // sparse array
      return createElement(NowTimer, { unit: 'day' }, function (nowDate, todayRange) {
        var innerNodes = [];
        for (var dayIndex = 0; dayIndex < segsByDay.length; dayIndex += 1) {
          var daySegs = segsByDay[dayIndex];
          if (daySegs) {
            // sparse array, so might be undefined
            var dayStr = formatDayString(dayDates[dayIndex]);
            var dateHeaderId = dateHeaderIdRoot + '-' + dayStr;
            // append a day header
            innerNodes.push(createElement(ListViewHeaderRow, { key: dayStr, cellId: dateHeaderId, dayDate: dayDates[dayIndex], todayRange: todayRange }));
            daySegs = sortEventSegs(daySegs, options.eventOrder);
            for (var _i = 0, daySegs_1 = daySegs; _i < daySegs_1.length; _i++) {
              var seg = daySegs_1[_i];
              innerNodes.push(
                createElement(
                  ListViewEventRow,
                  __assign(
                    {
                      key: dayStr + ':' + seg.eventRange.instance.instanceId /* are multiple segs for an instanceId */,
                      seg: seg,
                      isDragging: false,
                      isResizing: false,
                      isDateSelecting: false,
                      isSelected: false,
                      timeHeaderId: timeHeaderId,
                      eventHeaderId: eventHeaderId,
                      dateHeaderId: dateHeaderId,
                    },
                    getSegMeta(seg, todayRange, nowDate),
                  ),
                ),
              );
            }
          }
        }
        return createElement(
          'table',
          { className: 'fc-list-table ' + theme.getClass('table') },
          createElement(
            'thead',
            null,
            createElement(
              'tr',
              null,
              createElement('th', { scope: 'col', id: timeHeaderId }, options.timeHint),
              createElement('th', { scope: 'col', 'aria-hidden': true }),
              createElement('th', { scope: 'col', id: eventHeaderId }, options.eventHint),
            ),
          ),
          createElement('tbody', null, innerNodes),
        );
      });
    };
    ListView.prototype._eventStoreToSegs = function (eventStore, eventUiBases, dayRanges) {
      return this.eventRangesToSegs(sliceEventStore(eventStore, eventUiBases, this.props.dateProfile.activeRange, this.context.options.nextDayThreshold).fg, dayRanges);
    };
    ListView.prototype.eventRangesToSegs = function (eventRanges, dayRanges) {
      var segs = [];
      for (var _i = 0, eventRanges_1 = eventRanges; _i < eventRanges_1.length; _i++) {
        var eventRange = eventRanges_1[_i];
        segs.push.apply(segs, this.eventRangeToSegs(eventRange, dayRanges));
      }
      return segs;
    };
    ListView.prototype.eventRangeToSegs = function (eventRange, dayRanges) {
      var dateEnv = this.context.dateEnv;
      var nextDayThreshold = this.context.options.nextDayThreshold;
      var range = eventRange.range;
      var allDay = eventRange.def.allDay;
      var dayIndex;
      var segRange;
      var seg;
      var segs = [];
      for (dayIndex = 0; dayIndex < dayRanges.length; dayIndex += 1) {
        segRange = intersectRanges(range, dayRanges[dayIndex]);
        if (segRange) {
          seg = {
            component: this,
            eventRange: eventRange,
            start: segRange.start,
            end: segRange.end,
            isStart: eventRange.isStart && segRange.start.valueOf() === range.start.valueOf(),
            isEnd: eventRange.isEnd && segRange.end.valueOf() === range.end.valueOf(),
            dayIndex: dayIndex,
          };
          segs.push(seg);
          // detect when range won't go fully into the next day,
          // and mutate the latest seg to the be the end.
          if (!seg.isEnd && !allDay && dayIndex + 1 < dayRanges.length && range.end < dateEnv.add(dayRanges[dayIndex + 1].start, nextDayThreshold)) {
            seg.end = range.end;
            seg.isEnd = true;
            break;
          }
        }
      }
      return segs;
    };
    return ListView;
  })(DateComponent);
  function renderNoEventsInner(hookProps) {
    return hookProps.text;
  }
  function computeDateVars(dateProfile) {
    var dayStart = startOfDay(dateProfile.renderRange.start);
    var viewEnd = dateProfile.renderRange.end;
    var dayDates = [];
    var dayRanges = [];
    while (dayStart < viewEnd) {
      dayDates.push(dayStart);
      dayRanges.push({
        start: dayStart,
        end: addDays(dayStart, 1),
      });
      dayStart = addDays(dayStart, 1);
    }
    return { dayDates: dayDates, dayRanges: dayRanges };
  }
  // Returns a sparse array of arrays, segs grouped by their dayIndex
  function groupSegsByDay(segs) {
    var segsByDay = []; // sparse array
    var i;
    var seg;
    for (i = 0; i < segs.length; i += 1) {
      seg = segs[i];
      (segsByDay[seg.dayIndex] || (segsByDay[seg.dayIndex] = [])).push(seg);
    }
    return segsByDay;
  }

  var OPTION_REFINERS$1 = {
    listDayFormat: createFalsableFormatter,
    listDaySideFormat: createFalsableFormatter,
    noEventsClassNames: identity,
    noEventsContent: identity,
    noEventsDidMount: identity,
    noEventsWillUnmount: identity,
    // noEventsText is defined in base options
  };
  function createFalsableFormatter(input) {
    return input === false ? null : createFormatter(input);
  }

  var listPlugin = createPlugin({
    optionRefiners: OPTION_REFINERS$1,
    views: {
      list: {
        component: ListView,
        buttonTextKey: 'list',
        listDayFormat: { month: 'long', day: 'numeric', year: 'numeric' }, // like "January 1, 2016"
      },
      listDay: {
        type: 'list',
        duration: { days: 1 },
        listDayFormat: { weekday: 'long' }, // day-of-week is all we need. full date is probably in headerToolbar
      },
      listWeek: {
        type: 'list',
        duration: { weeks: 1 },
        listDayFormat: { weekday: 'long' },
        listDaySideFormat: { month: 'long', day: 'numeric', year: 'numeric' },
      },
      listMonth: {
        type: 'list',
        duration: { month: 1 },
        listDaySideFormat: { weekday: 'long' }, // day-of-week is nice-to-have
      },
      listYear: {
        type: 'list',
        duration: { year: 1 },
        listDaySideFormat: { weekday: 'long' }, // day-of-week is nice-to-have
      },
    },
  });

  var BootstrapTheme$1 = /** @class */ (function (_super) {
    __extends(BootstrapTheme, _super);
    function BootstrapTheme() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    return BootstrapTheme;
  })(Theme);
  BootstrapTheme$1.prototype.classes = {
    root: 'fc-theme-bootstrap',
    table: 'table-bordered',
    tableCellShaded: 'table-active',
    buttonGroup: 'btn-group',
    button: 'btn btn-primary',
    buttonActive: 'active',
    popover: 'popover',
    popoverHeader: 'popover-header',
    popoverContent: 'popover-body',
  };
  BootstrapTheme$1.prototype.baseIconClass = 'fa';
  BootstrapTheme$1.prototype.iconClasses = {
    close: 'fa-times',
    prev: 'fa-chevron-left',
    next: 'fa-chevron-right',
    prevYear: 'fa-angle-double-left',
    nextYear: 'fa-angle-double-right',
  };
  BootstrapTheme$1.prototype.rtlIconClasses = {
    prev: 'fa-chevron-right',
    next: 'fa-chevron-left',
    prevYear: 'fa-angle-double-right',
    nextYear: 'fa-angle-double-left',
  };
  BootstrapTheme$1.prototype.iconOverrideOption = 'bootstrapFontAwesome'; // TODO: make TS-friendly. move the option-processing into this plugin
  BootstrapTheme$1.prototype.iconOverrideCustomButtonOption = 'bootstrapFontAwesome';
  BootstrapTheme$1.prototype.iconOverridePrefix = 'fa-';
  var plugin$1 = createPlugin({
    themeClasses: {
      bootstrap: BootstrapTheme$1,
    },
  });

  var BootstrapTheme = /** @class */ (function (_super) {
    __extends(BootstrapTheme, _super);
    function BootstrapTheme() {
      return (_super !== null && _super.apply(this, arguments)) || this;
    }
    return BootstrapTheme;
  })(Theme);
  BootstrapTheme.prototype.classes = {
    root: 'fc-theme-bootstrap5',
    tableCellShaded: 'fc-theme-bootstrap5-shaded',
    buttonGroup: 'btn-group',
    button: 'btn btn-primary',
    buttonActive: 'active',
    popover: 'popover',
    popoverHeader: 'popover-header',
    popoverContent: 'popover-body',
  };
  BootstrapTheme.prototype.baseIconClass = 'bi';
  BootstrapTheme.prototype.iconClasses = {
    close: 'bi-x-lg',
    prev: 'bi-chevron-left',
    next: 'bi-chevron-right',
    prevYear: 'bi-chevron-double-left',
    nextYear: 'bi-chevron-double-right',
  };
  BootstrapTheme.prototype.rtlIconClasses = {
    prev: 'bi-chevron-right',
    next: 'bi-chevron-left',
    prevYear: 'bi-chevron-double-right',
    nextYear: 'bi-chevron-double-left',
  };
  // wtf
  BootstrapTheme.prototype.iconOverrideOption = 'buttonIcons'; // TODO: make TS-friendly
  BootstrapTheme.prototype.iconOverrideCustomButtonOption = 'icon';
  BootstrapTheme.prototype.iconOverridePrefix = 'bi-';
  var plugin = createPlugin({
    themeClasses: {
      bootstrap5: BootstrapTheme,
    },
  });

  // rename this file to options.ts like other packages?
  var OPTION_REFINERS = {
    googleCalendarApiKey: String,
  };

  var EVENT_SOURCE_REFINERS = {
    googleCalendarApiKey: String,
    googleCalendarId: String,
    googleCalendarApiBase: String,
    extraParams: identity,
  };

  // TODO: expose somehow
  var API_BASE = 'https://www.googleapis.com/calendar/v3/calendars';
  var eventSourceDef = {
    parseMeta: function (refined) {
      var googleCalendarId = refined.googleCalendarId;
      if (!googleCalendarId && refined.url) {
        googleCalendarId = parseGoogleCalendarId(refined.url);
      }
      if (googleCalendarId) {
        return {
          googleCalendarId: googleCalendarId,
          googleCalendarApiKey: refined.googleCalendarApiKey,
          googleCalendarApiBase: refined.googleCalendarApiBase,
          extraParams: refined.extraParams,
        };
      }
      return null;
    },
    fetch: function (arg, onSuccess, onFailure) {
      var _a = arg.context,
        dateEnv = _a.dateEnv,
        options = _a.options;
      var meta = arg.eventSource.meta;
      var apiKey = meta.googleCalendarApiKey || options.googleCalendarApiKey;
      if (!apiKey) {
        onFailure({
          message: 'Specify a googleCalendarApiKey. See http://fullcalendar.io/docs/google_calendar/',
        });
      } else {
        var url = buildUrl(meta);
        // TODO: make DRY with json-feed-event-source
        var extraParams = meta.extraParams;
        var extraParamsObj = typeof extraParams === 'function' ? extraParams() : extraParams;
        var requestParams_1 = buildRequestParams(arg.range, apiKey, extraParamsObj, dateEnv);
        requestJson(
          'GET',
          url,
          requestParams_1,
          function (body, xhr) {
            if (body.error) {
              onFailure({
                message: 'Google Calendar API: ' + body.error.message,
                errors: body.error.errors,
                xhr: xhr,
              });
            } else {
              onSuccess({
                rawEvents: gcalItemsToRawEventDefs(body.items, requestParams_1.timeZone),
                xhr: xhr,
              });
            }
          },
          function (message, xhr) {
            onFailure({ message: message, xhr: xhr });
          },
        );
      }
    },
  };
  function parseGoogleCalendarId(url) {
    var match;
    // detect if the ID was specified as a single string.
    // will match calendars like "asdf1234@calendar.google.com" in addition to person email calendars.
    if (/^[^/]+@([^/.]+\.)*(google|googlemail|gmail)\.com$/.test(url)) {
      return url;
    }
    if ((match = /^https:\/\/www.googleapis.com\/calendar\/v3\/calendars\/([^/]*)/.exec(url)) || (match = /^https?:\/\/www.google.com\/calendar\/feeds\/([^/]*)/.exec(url))) {
      return decodeURIComponent(match[1]);
    }
    return null;
  }
  function buildUrl(meta) {
    var apiBase = meta.googleCalendarApiBase;
    if (!apiBase) {
      apiBase = API_BASE;
    }
    return apiBase + '/' + encodeURIComponent(meta.googleCalendarId) + '/events';
  }
  function buildRequestParams(range, apiKey, extraParams, dateEnv) {
    var params;
    var startStr;
    var endStr;
    if (dateEnv.canComputeOffset) {
      // strings will naturally have offsets, which GCal needs
      startStr = dateEnv.formatIso(range.start);
      endStr = dateEnv.formatIso(range.end);
    } else {
      // when timezone isn't known, we don't know what the UTC offset should be, so ask for +/- 1 day
      // from the UTC day-start to guarantee we're getting all the events
      // (start/end will be UTC-coerced dates, so toISOString is okay)
      startStr = addDays(range.start, -1).toISOString();
      endStr = addDays(range.end, 1).toISOString();
    }
    params = __assign(__assign({}, extraParams || {}), { key: apiKey, timeMin: startStr, timeMax: endStr, singleEvents: true, maxResults: 9999 });
    if (dateEnv.timeZone !== 'local') {
      params.timeZone = dateEnv.timeZone;
    }
    return params;
  }
  function gcalItemsToRawEventDefs(items, gcalTimezone) {
    return items.map(function (item) {
      return gcalItemToRawEventDef(item, gcalTimezone);
    });
  }
  function gcalItemToRawEventDef(item, gcalTimezone) {
    var url = item.htmlLink || null;
    // make the URLs for each event show times in the correct timezone
    if (url && gcalTimezone) {
      url = injectQsComponent(url, 'ctz=' + gcalTimezone);
    }
    return {
      id: item.id,
      title: item.summary,
      start: item.start.dateTime || item.start.date,
      end: item.end.dateTime || item.end.date,
      url: url,
      location: item.location,
      description: item.description,
      attachments: item.attachments || [],
      extendedProps: (item.extendedProperties || {}).shared || {},
    };
  }
  // Injects a string like "arg=value" into the querystring of a URL
  // TODO: move to a general util file?
  function injectQsComponent(url, component) {
    // inject it after the querystring but before the fragment
    return url.replace(/(\?.*?)?(#|$)/, function (whole, qs, hash) {
      return (qs ? qs + '&' : '?') + component + hash;
    });
  }
  var googleCalendarPlugin = createPlugin({
    eventSourceDefs: [eventSourceDef],
    optionRefiners: OPTION_REFINERS,
    eventSourceRefiners: EVENT_SOURCE_REFINERS,
  });

  globalPlugins.push(interactionPlugin, dayGridPlugin, timeGridPlugin, listPlugin, plugin$1, plugin, googleCalendarPlugin);

  exports.BASE_OPTION_DEFAULTS = BASE_OPTION_DEFAULTS;
  exports.BASE_OPTION_REFINERS = BASE_OPTION_REFINERS;
  exports.BaseComponent = BaseComponent;
  exports.BgEvent = BgEvent;
  exports.BootstrapTheme = BootstrapTheme$1;
  exports.Calendar = Calendar;
  exports.CalendarApi = CalendarApi;
  exports.CalendarContent = CalendarContent;
  exports.CalendarDataManager = CalendarDataManager;
  exports.CalendarDataProvider = CalendarDataProvider;
  exports.CalendarRoot = CalendarRoot;
  exports.Component = Component;
  exports.ContentHook = ContentHook;
  exports.CustomContentRenderContext = CustomContentRenderContext;
  exports.DateComponent = DateComponent;
  exports.DateEnv = DateEnv;
  exports.DateProfileGenerator = DateProfileGenerator;
  exports.DayCellContent = DayCellContent;
  exports.DayCellRoot = DayCellRoot;
  exports.DayGridView = DayTableView;
  exports.DayHeader = DayHeader;
  exports.DaySeriesModel = DaySeriesModel;
  exports.DayTable = DayTable;
  exports.DayTableModel = DayTableModel;
  exports.DayTableSlicer = DayTableSlicer;
  exports.DayTimeCols = DayTimeCols;
  exports.DayTimeColsSlicer = DayTimeColsSlicer;
  exports.DayTimeColsView = DayTimeColsView;
  exports.DelayedRunner = DelayedRunner;
  exports.Draggable = ExternalDraggable;
  exports.ElementDragging = ElementDragging;
  exports.ElementScrollController = ElementScrollController;
  exports.Emitter = Emitter;
  exports.EventApi = EventApi;
  exports.EventRoot = EventRoot;
  exports.EventSourceApi = EventSourceApi;
  exports.FeaturefulElementDragging = FeaturefulElementDragging;
  exports.Fragment = Fragment;
  exports.Interaction = Interaction;
  exports.ListView = ListView;
  exports.MoreLinkRoot = MoreLinkRoot;
  exports.MountHook = MountHook;
  exports.NamedTimeZoneImpl = NamedTimeZoneImpl;
  exports.NowIndicatorRoot = NowIndicatorRoot;
  exports.NowTimer = NowTimer;
  exports.PointerDragging = PointerDragging;
  exports.PositionCache = PositionCache;
  exports.RefMap = RefMap;
  exports.RenderHook = RenderHook;
  exports.ScrollController = ScrollController;
  exports.ScrollResponder = ScrollResponder;
  exports.Scroller = Scroller;
  exports.SegHierarchy = SegHierarchy;
  exports.SimpleScrollGrid = SimpleScrollGrid;
  exports.Slicer = Slicer;
  exports.Splitter = Splitter;
  exports.StandardEvent = StandardEvent;
  exports.Table = Table;
  exports.TableDateCell = TableDateCell;
  exports.TableDowCell = TableDowCell;
  exports.TableView = TableView;
  exports.Theme = Theme;
  exports.ThirdPartyDraggable = ThirdPartyDraggable;
  exports.TimeCols = TimeCols;
  exports.TimeColsSlatsCoords = TimeColsSlatsCoords;
  exports.TimeColsView = TimeColsView;
  exports.ViewApi = ViewApi;
  exports.ViewContextType = ViewContextType;
  exports.ViewRoot = ViewRoot;
  exports.WeekNumberRoot = WeekNumberRoot;
  exports.WindowScrollController = WindowScrollController;
  exports.addDays = addDays;
  exports.addDurations = addDurations;
  exports.addMs = addMs;
  exports.addWeeks = addWeeks;
  exports.allowContextMenu = allowContextMenu;
  exports.allowSelection = allowSelection;
  exports.applyMutationToEventStore = applyMutationToEventStore;
  exports.applyStyle = applyStyle;
  exports.applyStyleProp = applyStyleProp;
  exports.asCleanDays = asCleanDays;
  exports.asRoughMinutes = asRoughMinutes;
  exports.asRoughMs = asRoughMs;
  exports.asRoughSeconds = asRoughSeconds;
  exports.binarySearch = binarySearch;
  exports.buildClassNameNormalizer = buildClassNameNormalizer;
  exports.buildDayRanges = buildDayRanges;
  exports.buildDayTableModel = buildDayTableModel;
  exports.buildEntryKey = buildEntryKey;
  exports.buildEventApis = buildEventApis;
  exports.buildEventRangeKey = buildEventRangeKey;
  exports.buildHashFromArray = buildHashFromArray;
  exports.buildIsoString = buildIsoString;
  exports.buildNavLinkAttrs = buildNavLinkAttrs;
  exports.buildSegCompareObj = buildSegCompareObj;
  exports.buildSegTimeText = buildSegTimeText;
  exports.buildSlatMetas = buildSlatMetas;
  exports.buildTimeColsModel = buildTimeColsModel;
  exports.collectFromHash = collectFromHash;
  exports.combineEventUis = combineEventUis;
  exports.compareByFieldSpec = compareByFieldSpec;
  exports.compareByFieldSpecs = compareByFieldSpecs;
  exports.compareNumbers = compareNumbers;
  exports.compareObjs = compareObjs;
  exports.computeEarliestSegStart = computeEarliestSegStart;
  exports.computeEdges = computeEdges;
  exports.computeFallbackHeaderFormat = computeFallbackHeaderFormat;
  exports.computeHeightAndMargins = computeHeightAndMargins;
  exports.computeInnerRect = computeInnerRect;
  exports.computeRect = computeRect;
  exports.computeSegDraggable = computeSegDraggable;
  exports.computeSegEndResizable = computeSegEndResizable;
  exports.computeSegStartResizable = computeSegStartResizable;
  exports.computeShrinkWidth = computeShrinkWidth;
  exports.computeSmallestCellWidth = computeSmallestCellWidth;
  exports.computeVisibleDayRange = computeVisibleDayRange;
  exports.config = config;
  exports.constrainPoint = constrainPoint;
  exports.createAriaClickAttrs = createAriaClickAttrs;
  exports.createContext = createContext;
  exports.createDuration = createDuration;
  exports.createElement = createElement;
  exports.createEmptyEventStore = createEmptyEventStore;
  exports.createEventInstance = createEventInstance;
  exports.createEventUi = createEventUi;
  exports.createFormatter = createFormatter;
  exports.createPlugin = createPlugin;
  exports.createPortal = createPortal;
  exports.createRef = createRef;
  exports.diffDates = diffDates;
  exports.diffDayAndTime = diffDayAndTime;
  exports.diffDays = diffDays;
  exports.diffPoints = diffPoints;
  exports.diffWeeks = diffWeeks;
  exports.diffWholeDays = diffWholeDays;
  exports.diffWholeWeeks = diffWholeWeeks;
  exports.disableCursor = disableCursor;
  exports.elementClosest = elementClosest;
  exports.elementMatches = elementMatches;
  exports.enableCursor = enableCursor;
  exports.eventTupleToStore = eventTupleToStore;
  exports.filterEventStoreDefs = filterEventStoreDefs;
  exports.filterHash = filterHash;
  exports.findDirectChildren = findDirectChildren;
  exports.findElements = findElements;
  exports.flexibleCompare = flexibleCompare;
  exports.flushSync = flushSync;
  exports.formatDate = formatDate;
  exports.formatDayString = formatDayString;
  exports.formatIsoTimeString = formatIsoTimeString;
  exports.formatRange = formatRange;
  exports.getAllowYScrolling = getAllowYScrolling;
  exports.getCanVGrowWithinCell = getCanVGrowWithinCell;
  exports.getClippingParents = getClippingParents;
  exports.getDateMeta = getDateMeta;
  exports.getDayClassNames = getDayClassNames;
  exports.getDefaultEventEnd = getDefaultEventEnd;
  exports.getElRoot = getElRoot;
  exports.getElSeg = getElSeg;
  exports.getEntrySpanEnd = getEntrySpanEnd;
  exports.getEventClassNames = getEventClassNames;
  exports.getEventTargetViaRoot = getEventTargetViaRoot;
  exports.getIsRtlScrollbarOnLeft = getIsRtlScrollbarOnLeft;
  exports.getRectCenter = getRectCenter;
  exports.getRelevantEvents = getRelevantEvents;
  exports.getScrollGridClassNames = getScrollGridClassNames;
  exports.getScrollbarWidths = getScrollbarWidths;
  exports.getSectionClassNames = getSectionClassNames;
  exports.getSectionHasLiquidHeight = getSectionHasLiquidHeight;
  exports.getSegAnchorAttrs = getSegAnchorAttrs;
  exports.getSegMeta = getSegMeta;
  exports.getSlotClassNames = getSlotClassNames;
  exports.getStickyFooterScrollbar = getStickyFooterScrollbar;
  exports.getStickyHeaderDates = getStickyHeaderDates;
  exports.getUnequalProps = getUnequalProps;
  exports.getUniqueDomId = getUniqueDomId;
  exports.globalLocales = globalLocales;
  exports.globalPlugins = globalPlugins;
  exports.greatestDurationDenominator = greatestDurationDenominator;
  exports.groupIntersectingEntries = groupIntersectingEntries;
  exports.guid = guid;
  exports.hasBgRendering = hasBgRendering;
  exports.hasShrinkWidth = hasShrinkWidth;
  exports.identity = identity;
  exports.interactionSettingsStore = interactionSettingsStore;
  exports.interactionSettingsToStore = interactionSettingsToStore;
  exports.intersectRanges = intersectRanges;
  exports.intersectRects = intersectRects;
  exports.intersectSpans = intersectSpans;
  exports.isArraysEqual = isArraysEqual;
  exports.isColPropsEqual = isColPropsEqual;
  exports.isDateSelectionValid = isDateSelectionValid;
  exports.isDateSpansEqual = isDateSpansEqual;
  exports.isInt = isInt;
  exports.isInteractionValid = isInteractionValid;
  exports.isMultiDayRange = isMultiDayRange;
  exports.isPropsEqual = isPropsEqual;
  exports.isPropsValid = isPropsValid;
  exports.isValidDate = isValidDate;
  exports.joinSpans = joinSpans;
  exports.listenBySelector = listenBySelector;
  exports.mapHash = mapHash;
  exports.memoize = memoize;
  exports.memoizeArraylike = memoizeArraylike;
  exports.memoizeHashlike = memoizeHashlike;
  exports.memoizeObjArg = memoizeObjArg;
  exports.mergeEventStores = mergeEventStores;
  exports.multiplyDuration = multiplyDuration;
  exports.padStart = padStart;
  exports.parseBusinessHours = parseBusinessHours;
  exports.parseClassNames = parseClassNames;
  exports.parseDragMeta = parseDragMeta;
  exports.parseEventDef = parseEventDef;
  exports.parseFieldSpecs = parseFieldSpecs;
  exports.parseMarker = parse;
  exports.pointInsideRect = pointInsideRect;
  exports.preventContextMenu = preventContextMenu;
  exports.preventDefault = preventDefault;
  exports.preventSelection = preventSelection;
  exports.rangeContainsMarker = rangeContainsMarker;
  exports.rangeContainsRange = rangeContainsRange;
  exports.rangesEqual = rangesEqual;
  exports.rangesIntersect = rangesIntersect;
  exports.refineEventDef = refineEventDef;
  exports.refineProps = refineProps;
  exports.removeElement = removeElement;
  exports.removeExact = removeExact;
  exports.render = render;
  exports.renderChunkContent = renderChunkContent;
  exports.renderFill = renderFill;
  exports.renderMicroColGroup = renderMicroColGroup;
  exports.renderScrollShim = renderScrollShim;
  exports.requestJson = requestJson;
  exports.sanitizeShrinkWidth = sanitizeShrinkWidth;
  exports.setElSeg = setElSeg;
  exports.setRef = setRef;
  exports.sliceEventStore = sliceEventStore;
  exports.sliceEvents = sliceEvents;
  exports.sortEventSegs = sortEventSegs;
  exports.startOfDay = startOfDay;
  exports.translateRect = translateRect;
  exports.triggerDateSelect = triggerDateSelect;
  exports.unmountComponentAtNode = unmountComponentAtNode;
  exports.unpromisify = unpromisify;
  exports.version = version;
  exports.whenTransitionDone = whenTransitionDone;
  exports.wholeDivideDurations = wholeDivideDurations;

  Object.defineProperty(exports, '__esModule', { value: true });

  return exports;
})({});