// node_modules/preact/dist/preact.module.js
var n;
var l;
var u;
var i;
var t;
var r;
var o;
var f;
var e;
var c = {};
var s = [];
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// node_modules/preact/hooks/dist/hooks.module.js
var t2;
var r2;
var u2;
var i2;
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format("truetype")}.fc-icon{speak:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;display:inline-block;font-family:fcicons!important;font-style:normal;font-variant:normal;font-weight:400;height:1em;line-height:1;text-align:center;text-transform:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;width:1em}.fc-icon-chevron-left:before{content:"\\e900"}.fc-icon-chevron-right:before{content:"\\e901"}.fc-icon-chevrons-left:before{content:"\\e902"}.fc-icon-chevrons-right:before{content:"\\e903"}.fc-icon-minus-square:before{content:"\\e904"}.fc-icon-plus-square:before{content:"\\e905"}.fc-icon-x:before{content:"\\e906"}.fc .fc-button{border-radius:0;font-family:inherit;font-size:inherit;line-height:inherit;margin:0;overflow:visible;text-transform:none}.fc .fc-button:focus{outline:1px dotted;outline:5px auto -webkit-focus-ring-color}.fc .fc-button{-webkit-appearance:button}.fc .fc-button:not(:disabled){cursor:pointer}.fc .fc-button{background-color:transparent;border:1px solid transparent;border-radius:.25em;display:inline-block;font-size:1em;font-weight:400;line-height:1.5;padding:.4em .65em;text-align:center;-webkit-user-select:none;-moz-user-select:none;user-select:none;vertical-align:middle}.fc .fc-button:hover{text-decoration:none}.fc .fc-button:focus{box-shadow:0 0 0 .2rem rgba(44,62,80,.25);outline:0}.fc .fc-button:disabled{opacity:.65}.fc .fc-button-primary{background-color:var(--fc-button-bg-color);border-color:var(--fc-button-border-color);color:var(--fc-button-text-color)}.fc .fc-button-primary:hover{background-color:var(--fc-button-hover-bg-color);border-color:var(--fc-button-hover-border-color);color:var(--fc-button-text-color)}.fc .fc-button-primary:disabled{background-color:var(--fc-button-bg-color);border-color:var(--fc-button-border-color);color:var(--fc-button-text-color)}.fc .fc-button-primary:focus{box-shadow:0 0 0 .2rem rgba(76,91,106,.5)}.fc .fc-button-primary:not(:disabled).fc-button-active,.fc .fc-button-primary:not(:disabled):active{background-color:var(--fc-button-active-bg-color);border-color:var(--fc-button-active-border-color);color:var(--fc-button-text-color)}.fc .fc-button-primary:not(:disabled).fc-button-active:focus,.fc .fc-button-primary:not(:disabled):active:focus{box-shadow:0 0 0 .2rem rgba(76,91,106,.5)}.fc .fc-button .fc-icon{font-size:1.5em;vertical-align:middle}.fc .fc-button-group{display:inline-flex;position:relative;vertical-align:middle}.fc .fc-button-group>.fc-button{flex:1 1 auto;position:relative}.fc .fc-button-group>.fc-button.fc-button-active,.fc .fc-button-group>.fc-button:active,.fc .fc-button-group>.fc-button:focus,.fc .fc-button-group>.fc-button:hover{z-index:1}.fc-direction-ltr .fc-button-group>.fc-button:not(:first-child){border-bottom-left-radius:0;border-top-left-radius:0;margin-left:-1px}.fc-direction-ltr .fc-button-group>.fc-button:not(:last-child){border-bottom-right-radius:0;border-top-right-radius:0}.fc-direction-rtl .fc-button-group>.fc-button:not(:first-child){border-bottom-right-radius:0;border-top-right-radius:0;margin-right:-1px}.fc-direction-rtl .fc-button-group>.fc-button:not(:last-child){border-bottom-left-radius:0;border-top-left-radius:0}.fc .fc-toolbar{align-items:center;display:flex;justify-content:space-between}.fc .fc-toolbar.fc-header-toolbar{margin-bottom:1.5em}.fc .fc-toolbar.fc-footer-toolbar{margin-top:1.5em}.fc .fc-toolbar-title{font-size:1.75em;margin:0}.fc-direction-ltr .fc-toolbar>*>:not(:first-child){margin-left:.75em}.fc-direction-rtl .fc-toolbar>*>:not(:first-child){margin-right:.75em}.fc-direction-rtl .fc-toolbar-ltr{flex-direction:row-reverse}.fc .fc-scroller{-webkit-overflow-scrolling:touch;position:relative}.fc .fc-scroller-liquid{height:100%}.fc .fc-scroller-liquid-absolute{bottom:0;left:0;position:absolute;right:0;top:0}.fc .fc-scroller-harness{direction:ltr;overflow:hidden;position:relative}.fc .fc-scroller-harness-liquid{height:100%}.fc-direction-rtl .fc-scroller-harness>.fc-scroller{direction:rtl}.fc-theme-standard .fc-scrollgrid{border:1px solid var(--fc-border-color)}.fc .fc-scrollgrid,.fc .fc-scrollgrid table{table-layout:fixed;width:100%}.fc .fc-scrollgrid table{border-left-style:hidden;border-right-style:hidden;border-top-style:hidden}.fc .fc-scrollgrid{border-bottom-width:0;border-collapse:separate;border-right-width:0}.fc .fc-scrollgrid-liquid{height:100%}.fc .fc-scrollgrid-section,.fc .fc-scrollgrid-section table,.fc .fc-scrollgrid-section>td{height:1px}.fc .fc-scrollgrid-section-liquid>td{height:100%}.fc .fc-scrollgrid-section>*{border-left-width:0;border-top-width:0}.fc .fc-scrollgrid-section-footer>*,.fc .fc-scrollgrid-section-header>*{border-bottom-width:0}.fc .fc-scrollgrid-section-body table,.fc .fc-scrollgrid-section-footer table{border-bottom-style:hidden}.fc .fc-scrollgrid-section-sticky>*{background:var(--fc-page-bg-color);position:sticky;z-index:3}.fc .fc-scrollgrid-section-header.fc-scrollgrid-section-sticky>*{top:0}.fc .fc-scrollgrid-section-footer.fc-scrollgrid-section-sticky>*{bottom:0}.fc .fc-scrollgrid-sticky-shim{height:1px;margin-bottom:-1px}.fc-sticky{position:sticky}.fc .fc-view-harness{flex-grow:1;position:relative}.fc .fc-view-harness-active>.fc-view{bottom:0;left:0;position:absolute;right:0;top:0}.fc .fc-col-header-cell-cushion{display:inline-block;padding:2px 4px}.fc .fc-bg-event,.fc .fc-highlight,.fc .fc-non-business{bottom:0;left:0;position:absolute;right:0;top:0}.fc .fc-non-business{background:var(--fc-non-business-color)}.fc .fc-bg-event{background:var(--fc-bg-event-color);opacity:var(--fc-bg-event-opacity)}.fc .fc-bg-event .fc-event-title{font-size:var(--fc-small-font-size);font-style:italic;margin:.5em}.fc .fc-highlight{background:var(--fc-highlight-color)}.fc .fc-cell-shaded,.fc .fc-day-disabled{background:var(--fc-neutral-bg-color)}a.fc-event,a.fc-event:hover{text-decoration:none}.fc-event.fc-event-draggable,.fc-event[href]{cursor:pointer}.fc-event .fc-event-main{position:relative;z-index:2}.fc-event-dragging:not(.fc-event-selected){opacity:.75}.fc-event-dragging.fc-event-selected{box-shadow:0 2px 7px rgba(0,0,0,.3)}.fc-event .fc-event-resizer{display:none;position:absolute;z-index:4}.fc-event-selected .fc-event-resizer,.fc-event:hover .fc-event-resizer{display:block}.fc-event-selected .fc-event-resizer{background:var(--fc-page-bg-color);border-color:inherit;border-radius:calc(var(--fc-event-resizer-dot-total-width)/2);border-style:solid;border-width:var(--fc-event-resizer-dot-border-width);height:var(--fc-event-resizer-dot-total-width);width:var(--fc-event-resizer-dot-total-width)}.fc-event-selected .fc-event-resizer:before{bottom:-20px;content:"";left:-20px;position:absolute;right:-20px;top:-20px}.fc-event-selected,.fc-event:focus{box-shadow:0 2px 5px rgba(0,0,0,.2)}.fc-event-selected:before,.fc-event:focus:before{bottom:0;content:"";left:0;position:absolute;right:0;top:0;z-index:3}.fc-event-selected:after,.fc-event:focus:after{background:var(--fc-event-selected-overlay-color);bottom:-1px;content:"";left:-1px;position:absolute;right:-1px;top:-1px;z-index:1}.fc-h-event{background-color:var(--fc-event-bg-color);border:1px solid var(--fc-event-border-color);display:block}.fc-h-event .fc-event-main{color:var(--fc-event-text-color)}.fc-h-event .fc-event-main-frame{display:flex}.fc-h-event .fc-event-time{max-width:100%;overflow:hidden}.fc-h-event .fc-event-title-container{flex-grow:1;flex-shrink:1;min-width:0}.fc-h-event .fc-event-title{display:inline-block;left:0;max-width:100%;overflow:hidden;right:0;vertical-align:top}.fc-h-event.fc-event-selected:before{bottom:-10px;top:-10px}.fc-direction-ltr .fc-daygrid-block-event:not(.fc-event-start),.fc-direction-rtl .fc-daygrid-block-event:not(.fc-event-end){border-bottom-left-radius:0;border-left-width:0;border-top-left-radius:0}.fc-direction-ltr .fc-daygrid-block-event:not(.fc-event-end),.fc-direction-rtl .fc-daygrid-block-event:not(.fc-event-start){border-bottom-right-radius:0;border-right-width:0;border-top-right-radius:0}.fc-h-event:not(.fc-event-selected) .fc-event-resizer{bottom:0;top:0;width:var(--fc-event-resizer-thickness)}.fc-direction-ltr .fc-h-event:not(.fc-event-selected) .fc-event-resizer-start,.fc-direction-rtl .fc-h-event:not(.fc-event-selected) .fc-event-resizer-end{cursor:w-resize;left:calc(var(--fc-event-resizer-thickness)*-.5)}.fc-direction-ltr .fc-h-event:not(.fc-event-selected) .fc-event-resizer-end,.fc-direction-rtl .fc-h-event:not(.fc-event-selected) .fc-event-resizer-start{cursor:e-resize;right:calc(var(--fc-event-resizer-thickness)*-.5)}.fc-h-event.fc-event-selected .fc-event-resizer{margin-top:calc(var(--fc-event-resizer-dot-total-width)*-.5);top:50%}.fc-direction-ltr .fc-h-event.fc-event-selected .fc-event-resizer-start,.fc-direction-rtl .fc-h-event.fc-event-selected .fc-event-resizer-end{left:calc(var(--fc-event-resizer-dot-total-width)*-.5)}.fc-direction-ltr .fc-h-event.fc-event-selected .fc-event-resizer-end,.fc-direction-rtl .fc-h-event.fc-event-selected .fc-event-resizer-start{right:calc(var(--fc-event-resizer-dot-total-width)*-.5)}.fc .fc-popover{box-shadow:0 2px 6px rgba(0,0,0,.15);position:absolute;z-index:9999}.fc .fc-popover-header{align-items:center;display:flex;flex-direction:row;justify-content:space-between;padding:3px 4px}.fc .fc-popover-title{margin:0 2px}.fc .fc-popover-close{cursor:pointer;font-size:1.1em;opacity:.65}.fc-theme-standard .fc-popover{background:var(--fc-page-bg-color);border:1px solid var(--fc-border-color)}.fc-theme-standard .fc-popover-header{background:var(--fc-neutral-bg-color)}';
injectStyles(css_248z);
var DelayedRunner = class {
  constructor(drainedOption) {
    this.drainedOption = drainedOption;
    this.isRunning = false;
    this.isDirty = false;
    this.pauseDepths = {};
    this.timeoutId = 0;
  }
  request(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
        );
      }
    }
  }
  pause(scope = "") {
    let { pauseDepths } = this;
    pauseDepths[scope] = (pauseDepths[scope] || 0) + 1;
    this.clearTimeout();
  }
  resume(scope = "", force) {
    let { pauseDepths } = this;
    if (scope in pauseDepths) {
      if (force) {
        delete pauseDepths[scope];
      } else {
        pauseDepths[scope] -= 1;
        let depth = pauseDepths[scope];
        if (depth <= 0) {
          delete pauseDepths[scope];
        }
      }
      this.tryDrain();
    }
  }
  isPaused() {
    return Object.keys(this.pauseDepths).length;
  }
  tryDrain() {
    if (!this.isRunning && !this.isPaused()) {
      this.isRunning = true;
      while (this.isDirty) {
        this.isDirty = false;
        this.drained();
      }
      this.isRunning = false;
    }
  }
  clear() {
    this.clearTimeout();
    this.isDirty = false;
    this.pauseDepths = {};
  }
  clearTimeout() {
    if (this.timeoutId) {
      clearTimeout(this.timeoutId);
      this.timeoutId = 0;
    }
  }
  drained() {
    if (this.drainedOption) {
      this.drainedOption();
    }
  }
};
function removeElement(el) {
  if (el.parentNode) {
    el.parentNode.removeChild(el);
  }
}
function elementClosest(el, selector) {
  if (el.closest) {
    return el.closest(selector);
  }
  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) {
  let method = el.matches || el.matchesSelector || el.msMatchesSelector;
  return method.call(el, selector);
}
function findElements(container, selector) {
  let containers = container instanceof HTMLElement ? [container] : container;
  let allMatches = [];
  for (let i3 = 0; i3 < containers.length; i3 += 1) {
    let matches = containers[i3].querySelectorAll(selector);
    for (let j4 = 0; j4 < matches.length; j4 += 1) {
      allMatches.push(matches[j4]);
    }
  }
  return allMatches;
}
var PIXEL_PROP_RE = /(top|left|right|bottom|width|height)$/i;
function applyStyle(el, props) {
  for (let propName in props) {
    applyStyleProp(el, propName, props[propName]);
  }
}
function applyStyleProp(el, name, val) {
  if (val == null) {
    el.style[name] = "";
  } else if (typeof val === "number" && PIXEL_PROP_RE.test(name)) {
    el.style[name] = `${val}px`;
  } else {
    el.style[name] = val;
  }
}
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;
}
var guid$1 = 0;
function getUniqueDomId() {
  guid$1 += 1;
  return "fc-dom-" + guid$1;
}
function preventDefault(ev) {
  ev.preventDefault();
}
function buildDelegationHandler(selector, handler) {
  return (ev) => {
    let matchedChild = elementClosest(ev.target, selector);
    if (matchedChild) {
      handler.call(matchedChild, ev, matchedChild);
    }
  };
}
function listenBySelector(container, eventType, selector, handler) {
  let attachedHandler = buildDelegationHandler(selector, handler);
  container.addEventListener(eventType, attachedHandler);
  return () => {
    container.removeEventListener(eventType, attachedHandler);
  };
}
function listenToHoverBySelector(container, selector, onMouseEnter, onMouseLeave) {
  let currentMatchedChild;
  return listenBySelector(container, "mouseover", selector, (mouseOverEv, matchedChild) => {
    if (matchedChild !== currentMatchedChild) {
      currentMatchedChild = matchedChild;
      onMouseEnter(mouseOverEv, matchedChild);
      let realOnMouseLeave = (mouseLeaveEv) => {
        currentMatchedChild = null;
        onMouseLeave(mouseLeaveEv, matchedChild);
        matchedChild.removeEventListener("mouseleave", realOnMouseLeave);
      };
      matchedChild.addEventListener("mouseleave", realOnMouseLeave);
    }
  });
}
var transitionEventNames = [
  "webkitTransitionEnd",
  "otransitionend",
  "oTransitionEnd",
  "msTransitionEnd",
  "transitionend"
];
function whenTransitionDone(el, callback) {
  let realCallback = (ev) => {
    callback(ev);
    transitionEventNames.forEach((eventName) => {
      el.removeEventListener(eventName, realCallback);
    });
  };
  transitionEventNames.forEach((eventName) => {
    el.addEventListener(eventName, realCallback);
  });
}
function createAriaClickAttrs(handler) {
  return Object.assign({ onClick: handler }, createAriaKeyboardAttrs(handler));
}
function createAriaKeyboardAttrs(handler) {
  return {
    tabIndex: 0,
    onKeyDown(ev) {
      if (ev.key === "Enter" || ev.key === " ") {
        handler(ev);
        ev.preventDefault();
      }
    }
  };
}
var guidNumber = 0;
function guid() {
  guidNumber += 1;
  return String(guidNumber);
}
function disableCursor() {
  document.body.classList.add("fc-not-allowed");
}
function enableCursor() {
  document.body.classList.remove("fc-not-allowed");
}
function preventSelection(el) {
  el.style.userSelect = "none";
  el.style.webkitUserSelect = "none";
  el.addEventListener("selectstart", preventDefault);
}
function allowSelection(el) {
  el.style.userSelect = "";
  el.style.webkitUserSelect = "";
  el.removeEventListener("selectstart", preventDefault);
}
function preventContextMenu(el) {
  el.addEventListener("contextmenu", preventDefault);
}
function allowContextMenu(el) {
  el.removeEventListener("contextmenu", preventDefault);
}
function parseFieldSpecs(input) {
  let specs = [];
  let tokens = [];
  let i3;
  let 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 (i3 = 0; i3 < tokens.length; i3 += 1) {
    token = tokens[i3];
    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) {
  let i3;
  let cmp;
  for (i3 = 0; i3 < fieldSpecs.length; i3 += 1) {
    cmp = compareByFieldSpec(obj0, obj1, fieldSpecs[i3]);
    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(a3, b3) {
  if (!a3 && !b3) {
    return 0;
  }
  if (b3 == null) {
    return -1;
  }
  if (a3 == null) {
    return 1;
  }
  if (typeof a3 === "string" || typeof b3 === "string") {
    return String(a3).localeCompare(String(b3));
  }
  return a3 - b3;
}
function padStart(val, len) {
  let s3 = String(val);
  return "000".substr(0, len - s3.length) + s3;
}
function formatWithOrdinals(formatter, args, fallbackText) {
  if (typeof formatter === "function") {
    return formatter(...args);
  }
  if (typeof formatter === "string") {
    return args.reduce((str, arg, index) => str.replace("$" + index, arg || ""), formatter);
  }
  return fallbackText;
}
function compareNumbers(a3, b3) {
  return a3 - b3;
}
function isInt(n2) {
  return n2 % 1 === 0;
}
function computeSmallestCellWidth(cellEl) {
  let allWidthEl = cellEl.querySelector(".fc-scrollgrid-shrink-frame");
  let contentWidthEl = cellEl.querySelector(".fc-scrollgrid-shrink-cushion");
  if (!allWidthEl) {
    throw new Error("needs fc-scrollgrid-shrink-frame className");
  }
  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 INTERNAL_UNITS = ["years", "months", "days", "milliseconds"];
var PARSE_RE = /^(-?)(?:(\d+)\.)?(\d+):(\d\d)(?::(\d\d)(?:\.(\d\d\d))?)?/;
function createDuration(input, unit) {
  if (typeof input === "string") {
    return parseString(input);
  }
  if (typeof input === "object" && input) {
    return parseObject(input);
  }
  if (typeof input === "number") {
    return parseObject({ [unit || "milliseconds"]: input });
  }
  return null;
}
function parseString(s3) {
  let m3 = PARSE_RE.exec(s3);
  if (m3) {
    let sign = m3[1] ? -1 : 1;
    return {
      years: 0,
      months: 0,
      days: sign * (m3[2] ? parseInt(m3[2], 10) : 0),
      milliseconds: sign * ((m3[3] ? parseInt(m3[3], 10) : 0) * 60 * 60 * 1e3 + // hours
      (m3[4] ? parseInt(m3[4], 10) : 0) * 60 * 1e3 + // minutes
      (m3[5] ? parseInt(m3[5], 10) : 0) * 1e3 + // seconds
      (m3[6] ? parseInt(m3[6], 10) : 0))
    };
  }
  return null;
}
function parseObject(obj) {
  let 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 * 1e3 + // hours
    (obj.minutes || obj.minute || 0) * 60 * 1e3 + // minutes
    (obj.seconds || obj.second || 0) * 1e3 + // seconds
    (obj.milliseconds || obj.millisecond || obj.ms || 0)
    // ms
  };
  let weeks = obj.weeks || obj.week;
  if (weeks) {
    duration.days += weeks * 7;
    duration.specifiedWeeks = true;
  }
  return duration;
}
function durationsEqual(d0, d1) {
  return d0.years === d1.years && d0.months === d1.months && d0.days === d1.days && d0.milliseconds === d1.milliseconds;
}
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(d2, n2) {
  return {
    years: d2.years * n2,
    months: d2.months * n2,
    days: d2.days * n2,
    milliseconds: d2.milliseconds * n2
  };
}
function asRoughYears(dur) {
  return asRoughDays(dur) / 365;
}
function asRoughMonths(dur) {
  return asRoughDays(dur) / 30;
}
function asRoughDays(dur) {
  return asRoughMs(dur) / 864e5;
}
function asRoughMs(dur) {
  return dur.years * (365 * 864e5) + dur.months * (30 * 864e5) + dur.days * 864e5 + dur.milliseconds;
}
function wholeDivideDurations(numerator, denominator) {
  let res = null;
  for (let i3 = 0; i3 < INTERNAL_UNITS.length; i3 += 1) {
    let unit = INTERNAL_UNITS[i3];
    if (denominator[unit]) {
      let localRes = numerator[unit] / denominator[unit];
      if (!isInt(localRes) || res !== null && res !== localRes) {
        return null;
      }
      res = localRes;
    } else if (numerator[unit]) {
      return null;
    }
  }
  return res;
}
function greatestDurationDenominator(dur) {
  let ms = dur.milliseconds;
  if (ms) {
    if (ms % 1e3 !== 0) {
      return { unit: "millisecond", value: ms };
    }
    if (ms % (1e3 * 60) !== 0) {
      return { unit: "second", value: ms / 1e3 };
    }
    if (ms % (1e3 * 60 * 60) !== 0) {
      return { unit: "minute", value: ms / (1e3 * 60) };
    }
    if (ms) {
      return { unit: "hour", value: ms / (1e3 * 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 };
}
function isArraysEqual(a0, a1, equalityFunc) {
  if (a0 === a1) {
    return true;
  }
  let len = a0.length;
  let i3;
  if (len !== a1.length) {
    return false;
  }
  for (i3 = 0; i3 < len; i3 += 1) {
    if (!(equalityFunc ? equalityFunc(a0[i3], a1[i3]) : a0[i3] === a1[i3])) {
      return false;
    }
  }
  return true;
}
var DAY_IDS = ["sun", "mon", "tue", "wed", "thu", "fri", "sat"];
function addWeeks(m3, n2) {
  let a3 = dateToUtcArray(m3);
  a3[2] += n2 * 7;
  return arrayToUtcDate(a3);
}
function addDays(m3, n2) {
  let a3 = dateToUtcArray(m3);
  a3[2] += n2;
  return arrayToUtcDate(a3);
}
function addMs(m3, n2) {
  let a3 = dateToUtcArray(m3);
  a3[6] += n2;
  return arrayToUtcDate(a3);
}
function diffWeeks(m0, m1) {
  return diffDays(m0, m1) / 7;
}
function diffDays(m0, m1) {
  return (m1.valueOf() - m0.valueOf()) / (1e3 * 60 * 60 * 24);
}
function diffHours(m0, m1) {
  return (m1.valueOf() - m0.valueOf()) / (1e3 * 60 * 60);
}
function diffMinutes(m0, m1) {
  return (m1.valueOf() - m0.valueOf()) / (1e3 * 60);
}
function diffSeconds(m0, m1) {
  return (m1.valueOf() - m0.valueOf()) / 1e3;
}
function diffDayAndTime(m0, m1) {
  let m0day = startOfDay(m0);
  let m1day = startOfDay(m1);
  return {
    years: 0,
    months: 0,
    days: Math.round(diffDays(m0day, m1day)),
    milliseconds: m1.valueOf() - m1day.valueOf() - (m0.valueOf() - m0day.valueOf())
  };
}
function diffWholeWeeks(m0, m1) {
  let d2 = diffWholeDays(m0, m1);
  if (d2 !== null && d2 % 7 === 0) {
    return d2 / 7;
  }
  return null;
}
function diffWholeDays(m0, m1) {
  if (timeAsMs(m0) === timeAsMs(m1)) {
    return Math.round(diffDays(m0, m1));
  }
  return null;
}
function startOfDay(m3) {
  return arrayToUtcDate([
    m3.getUTCFullYear(),
    m3.getUTCMonth(),
    m3.getUTCDate()
  ]);
}
function startOfHour(m3) {
  return arrayToUtcDate([
    m3.getUTCFullYear(),
    m3.getUTCMonth(),
    m3.getUTCDate(),
    m3.getUTCHours()
  ]);
}
function startOfMinute(m3) {
  return arrayToUtcDate([
    m3.getUTCFullYear(),
    m3.getUTCMonth(),
    m3.getUTCDate(),
    m3.getUTCHours(),
    m3.getUTCMinutes()
  ]);
}
function startOfSecond(m3) {
  return arrayToUtcDate([
    m3.getUTCFullYear(),
    m3.getUTCMonth(),
    m3.getUTCDate(),
    m3.getUTCHours(),
    m3.getUTCMinutes(),
    m3.getUTCSeconds()
  ]);
}
function weekOfYear(marker, dow, doy) {
  let y3 = marker.getUTCFullYear();
  let w4 = weekOfGivenYear(marker, y3, dow, doy);
  if (w4 < 1) {
    return weekOfGivenYear(marker, y3 - 1, dow, doy);
  }
  let nextW = weekOfGivenYear(marker, y3 + 1, dow, doy);
  if (nextW >= 1) {
    return Math.min(w4, nextW);
  }
  return w4;
}
function weekOfGivenYear(marker, year, dow, doy) {
  let firstWeekStart = arrayToUtcDate([year, 0, 1 + firstWeekOffset(year, dow, doy)]);
  let dayStart = startOfDay(marker);
  let days = Math.round(diffDays(firstWeekStart, dayStart));
  return Math.floor(days / 7) + 1;
}
function firstWeekOffset(year, dow, doy) {
  let fwd = 7 + dow - doy;
  let fwdlw = (7 + arrayToUtcDate([year, 0, fwd]).getUTCDay() - dow) % 7;
  return -fwdlw + fwd - 1;
}
function dateToLocalArray(date) {
  return [
    date.getFullYear(),
    date.getMonth(),
    date.getDate(),
    date.getHours(),
    date.getMinutes(),
    date.getSeconds(),
    date.getMilliseconds()
  ];
}
function arrayToLocalDate(a3) {
  return new Date(
    a3[0],
    a3[1] || 0,
    a3[2] == null ? 1 : a3[2],
    // day of month
    a3[3] || 0,
    a3[4] || 0,
    a3[5] || 0
  );
}
function dateToUtcArray(date) {
  return [
    date.getUTCFullYear(),
    date.getUTCMonth(),
    date.getUTCDate(),
    date.getUTCHours(),
    date.getUTCMinutes(),
    date.getUTCSeconds(),
    date.getUTCMilliseconds()
  ];
}
function arrayToUtcDate(a3) {
  if (a3.length === 1) {
    a3 = a3.concat([0]);
  }
  return new Date(Date.UTC(...a3));
}
function isValidDate(m3) {
  return !isNaN(m3.valueOf());
}
function timeAsMs(m3) {
  return m3.getUTCHours() * 1e3 * 60 * 60 + m3.getUTCMinutes() * 1e3 * 60 + m3.getUTCSeconds() * 1e3 + m3.getUTCMilliseconds();
}
function buildIsoString(marker, timeZoneOffset, stripZeroTime = false) {
  let s3 = marker.toISOString();
  s3 = s3.replace(".000", "");
  if (stripZeroTime) {
    s3 = s3.replace("T00:00:00Z", "");
  }
  if (s3.length > 10) {
    if (timeZoneOffset == null) {
      s3 = s3.replace("Z", "");
    } else if (timeZoneOffset !== 0) {
      s3 = s3.replace("Z", formatTimeZoneOffset(timeZoneOffset, true));
    }
  }
  return s3;
}
function formatDayString(marker) {
  return marker.toISOString().replace(/T.*$/, "");
}
function formatIsoMonthStr(marker) {
  return marker.toISOString().match(/^\d{4}-\d{2}/)[0];
}
function formatIsoTimeString(marker) {
  return padStart(marker.getUTCHours(), 2) + ":" + padStart(marker.getUTCMinutes(), 2) + ":" + padStart(marker.getUTCSeconds(), 2);
}
function formatTimeZoneOffset(minutes, doIso = false) {
  let sign = minutes < 0 ? "-" : "+";
  let abs = Math.abs(minutes);
  let hours = Math.floor(abs / 60);
  let mins = Math.round(abs % 60);
  if (doIso) {
    return `${sign + padStart(hours, 2)}:${padStart(mins, 2)}`;
  }
  return `GMT${sign}${hours}${mins ? `:${padStart(mins, 2)}` : ""}`;
}
function memoize(workerFunc, resEquality, teardownFunc) {
  let currentArgs;
  let currentRes;
  return function(...newArgs) {
    if (!currentArgs) {
      currentRes = workerFunc.apply(this, newArgs);
    } else if (!isArraysEqual(currentArgs, newArgs)) {
      if (teardownFunc) {
        teardownFunc(currentRes);
      }
      let res = workerFunc.apply(this, newArgs);
      if (!resEquality || !resEquality(res, currentRes)) {
        currentRes = res;
      }
    }
    currentArgs = newArgs;
    return currentRes;
  };
}
function memoizeObjArg(workerFunc, resEquality, teardownFunc) {
  let currentArg;
  let currentRes;
  return (newArg) => {
    if (!currentArg) {
      currentRes = workerFunc.call(this, newArg);
    } else if (!isPropsEqual(currentArg, newArg)) {
      if (teardownFunc) {
        teardownFunc(currentRes);
      }
      let res = workerFunc.call(this, newArg);
      if (!resEquality || !resEquality(res, currentRes)) {
        currentRes = res;
      }
    }
    currentArg = newArg;
    return currentRes;
  };
}
var EXTENDED_SETTINGS_AND_SEVERITIES = {
  week: 3,
  separator: 9,
  omitZeroMinute: 9,
  meridiem: 9,
  omitCommas: 9
};
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;
var COMMA_RE = /,/g;
var MULTI_SPACE_RE = /\s+/g;
var LTR_RE = /\u200e/g;
var UTC_RE = /UTC|GMT/;
var NativeFormatter = class {
  constructor(formatSettings) {
    let standardDateProps = {};
    let extendedSettings = {};
    let smallestUnitNum = 9;
    for (let name in formatSettings) {
      if (name in EXTENDED_SETTINGS_AND_SEVERITIES) {
        extendedSettings[name] = formatSettings[name];
        const severity = EXTENDED_SETTINGS_AND_SEVERITIES[name];
        if (severity < 9) {
          smallestUnitNum = Math.min(EXTENDED_SETTINGS_AND_SEVERITIES[name], smallestUnitNum);
        }
      } else {
        standardDateProps[name] = formatSettings[name];
        if (name in STANDARD_DATE_PROP_SEVERITIES) {
          smallestUnitNum = Math.min(STANDARD_DATE_PROP_SEVERITIES[name], smallestUnitNum);
        }
      }
    }
    this.standardDateProps = standardDateProps;
    this.extendedSettings = extendedSettings;
    this.smallestUnitNum = smallestUnitNum;
    this.buildFormattingFunc = memoize(buildFormattingFunc);
  }
  format(date, context) {
    return this.buildFormattingFunc(this.standardDateProps, this.extendedSettings, context)(date);
  }
  formatRange(start, end, context, betterDefaultSeparator) {
    let { standardDateProps, extendedSettings } = this;
    let diffSeverity = computeMarkerDiffSeverity(start.marker, end.marker, context.calendarSystem);
    if (!diffSeverity) {
      return this.format(start, context);
    }
    let 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;
    }
    let full0 = this.format(start, context);
    let full1 = this.format(end, context);
    if (full0 === full1) {
      return full0;
    }
    let partialDateProps = computePartialFormattingOptions(standardDateProps, biggestUnitForPartial);
    let partialFormattingFunc = buildFormattingFunc(partialDateProps, extendedSettings, context);
    let partial0 = partialFormattingFunc(start);
    let partial1 = partialFormattingFunc(end);
    let insertion = findCommonInsertion(full0, partial0, full1, partial1);
    let separator = extendedSettings.separator || betterDefaultSeparator || context.defaultSeparator || "";
    if (insertion) {
      return insertion.before + partial0 + separator + partial1 + insertion.after;
    }
    return full0 + separator + full1;
  }
  getSmallestUnit() {
    switch (this.smallestUnitNum) {
      case 7:
      case 6:
      case 5:
        return "year";
      case 4:
        return "month";
      case 3:
        return "week";
      case 2:
        return "day";
      default:
        return "time";
    }
  }
};
function buildFormattingFunc(standardDateProps, extendedSettings, context) {
  let standardDatePropCnt = Object.keys(standardDateProps).length;
  if (standardDatePropCnt === 1 && standardDateProps.timeZoneName === "short") {
    return (date) => formatTimeZoneOffset(date.timeZoneOffset);
  }
  if (standardDatePropCnt === 0 && extendedSettings.week) {
    return (date) => formatWeekNumber(context.computeWeekNumber(date.marker), context.weekText, context.weekTextLong, context.locale, extendedSettings.week);
  }
  return buildNativeFormattingFunc(standardDateProps, extendedSettings, context);
}
function buildNativeFormattingFunc(standardDateProps, extendedSettings, context) {
  standardDateProps = Object.assign({}, standardDateProps);
  extendedSettings = Object.assign({}, extendedSettings);
  sanitizeSettings(standardDateProps, extendedSettings);
  standardDateProps.timeZone = "UTC";
  let normalFormat = new Intl.DateTimeFormat(context.locale.codes, standardDateProps);
  let zeroFormat;
  if (extendedSettings.omitZeroMinute) {
    let zeroProps = Object.assign({}, standardDateProps);
    delete zeroProps.minute;
    zeroFormat = new Intl.DateTimeFormat(context.locale.codes, zeroProps);
  }
  return (date) => {
    let { marker } = date;
    let format;
    if (zeroFormat && !marker.getUTCMinutes()) {
      format = zeroFormat;
    } else {
      format = normalFormat;
    }
    let s3 = format.format(marker);
    return postProcess(s3, date, standardDateProps, extendedSettings, context);
  };
}
function sanitizeSettings(standardDateProps, extendedSettings) {
  if (standardDateProps.timeZoneName) {
    if (!standardDateProps.hour) {
      standardDateProps.hour = "2-digit";
    }
    if (!standardDateProps.minute) {
      standardDateProps.minute = "2-digit";
    }
  }
  if (standardDateProps.timeZoneName === "long") {
    standardDateProps.timeZoneName = "short";
  }
  if (extendedSettings.omitZeroMinute && (standardDateProps.second || standardDateProps.millisecond)) {
    delete extendedSettings.omitZeroMinute;
  }
}
function postProcess(s3, date, standardDateProps, extendedSettings, context) {
  s3 = s3.replace(LTR_RE, "");
  if (standardDateProps.timeZoneName === "short") {
    s3 = injectTzoStr(s3, context.timeZone === "UTC" || date.timeZoneOffset == null ? "UTC" : (
      // important to normalize for IE, which does "GMT"
      formatTimeZoneOffset(date.timeZoneOffset)
    ));
  }
  if (extendedSettings.omitCommas) {
    s3 = s3.replace(COMMA_RE, "").trim();
  }
  if (extendedSettings.omitZeroMinute) {
    s3 = s3.replace(":00", "");
  }
  if (extendedSettings.meridiem === false) {
    s3 = s3.replace(MERIDIEM_RE, "").trim();
  } else if (extendedSettings.meridiem === "narrow") {
    s3 = s3.replace(MERIDIEM_RE, (m0, m1) => m1.toLocaleLowerCase());
  } else if (extendedSettings.meridiem === "short") {
    s3 = s3.replace(MERIDIEM_RE, (m0, m1) => `${m1.toLocaleLowerCase()}m`);
  } else if (extendedSettings.meridiem === "lowercase") {
    s3 = s3.replace(MERIDIEM_RE, (m0) => m0.toLocaleLowerCase());
  }
  s3 = s3.replace(MULTI_SPACE_RE, " ");
  s3 = s3.trim();
  return s3;
}
function injectTzoStr(s3, tzoStr) {
  let replaced = false;
  s3 = s3.replace(UTC_RE, () => {
    replaced = true;
    return tzoStr;
  });
  if (!replaced) {
    s3 += ` ${tzoStr}`;
  }
  return s3;
}
function formatWeekNumber(num, weekText, weekTextLong, locale, display) {
  let 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") {
    parts.reverse();
  }
  return parts.join("");
}
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) {
  let partialOptions = {};
  for (let name in options) {
    if (!(name in STANDARD_DATE_PROP_SEVERITIES) || // not a date part prop (like timeZone)
    STANDARD_DATE_PROP_SEVERITIES[name] <= biggestUnit) {
      partialOptions[name] = options[name];
    }
  }
  return partialOptions;
}
function findCommonInsertion(full0, partial0, full1, partial1) {
  let i0 = 0;
  while (i0 < full0.length) {
    let found0 = full0.indexOf(partial0, i0);
    if (found0 === -1) {
      break;
    }
    let before0 = full0.substr(0, found0);
    i0 = found0 + partial0.length;
    let after0 = full0.substr(i0);
    let i1 = 0;
    while (i1 < full1.length) {
      let found1 = full1.indexOf(partial1, i1);
      if (found1 === -1) {
        break;
      }
      let before1 = full1.substr(0, found1);
      i1 = found1 + partial1.length;
      let after1 = full1.substr(i1);
      if (before0 === before1 && after0 === after1) {
        return {
          before: before0,
          after: after0
        };
      }
    }
  }
  return null;
}
function expandZonedMarker(dateInfo, calendarSystem) {
  let a3 = calendarSystem.markerToArray(dateInfo.marker);
  return {
    marker: dateInfo.marker,
    timeZoneOffset: dateInfo.timeZoneOffset,
    array: a3,
    year: a3[0],
    month: a3[1],
    day: a3[2],
    hour: a3[3],
    minute: a3[4],
    second: a3[5],
    millisecond: a3[6]
  };
}
function createVerboseFormattingArg(start, end, context, betterDefaultSeparator) {
  let startInfo = expandZonedMarker(start, context.calendarSystem);
  let 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
  };
}
var CmdFormatter = class {
  constructor(cmdStr) {
    this.cmdStr = cmdStr;
  }
  format(date, context, betterDefaultSeparator) {
    return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(date, null, context, betterDefaultSeparator));
  }
  formatRange(start, end, context, betterDefaultSeparator) {
    return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(start, end, context, betterDefaultSeparator));
  }
};
var FuncFormatter = class {
  constructor(func) {
    this.func = func;
  }
  format(date, context, betterDefaultSeparator) {
    return this.func(createVerboseFormattingArg(date, null, context, betterDefaultSeparator));
  }
  formatRange(start, end, context, betterDefaultSeparator) {
    return this.func(createVerboseFormattingArg(start, end, context, betterDefaultSeparator));
  }
};
function createFormatter(input) {
  if (typeof input === "object" && input) {
    return new NativeFormatter(input);
  }
  if (typeof input === "string") {
    return new CmdFormatter(input);
  }
  if (typeof input === "function") {
    return new FuncFormatter(input);
  }
  return null;
}
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,
  nowIndicatorSnap: identity,
  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,
  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,
  monthStartFormat: createFormatter,
  // for connectors
  // (can't be part of plugin system b/c must be provided at runtime)
  handleCustomRendering: identity,
  customRenderingMetaMap: identity,
  customRenderingReplaces: Boolean
};
var BASE_OPTION_DEFAULTS = {
  eventDisplay: "auto",
  defaultRangeSeparator: " - ",
  titleRangeSeparator: " – ",
  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: 1e3,
  eventDragMinDistance: 5,
  expandRows: false,
  navLinks: false,
  selectable: false,
  eventMinHeight: 15,
  eventMinWidth: 30,
  eventShortHeight: 30,
  monthStartFormat: { month: "long", day: "numeric" },
  nowIndicatorSnap: "auto"
};
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
};
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,
  plugins: isMaybeArraysEqual,
  events: isMaybeArraysEqual,
  eventSources: isMaybeArraysEqual,
  ["resources"]: isMaybeArraysEqual
};
function isMaybeObjectsEqual(a3, b3) {
  if (typeof a3 === "object" && typeof b3 === "object" && a3 && b3) {
    return isPropsEqual(a3, b3);
  }
  return a3 === b3;
}
function isMaybeArraysEqual(a3, b3) {
  if (Array.isArray(a3) && Array.isArray(b3)) {
    return isArraysEqual(a3, b3);
  }
  return a3 === b3;
}
var VIEW_OPTION_REFINERS = {
  type: String,
  component: identity,
  buttonText: String,
  buttonTextKey: String,
  dateProfileGeneratorClass: identity,
  usesMinMaxTime: Boolean,
  classNames: identity,
  content: identity,
  didMount: identity,
  willUnmount: identity
};
function mergeRawOptions(optionSets) {
  return mergeProps(optionSets, COMPLEX_OPTION_COMPARATORS);
}
function refineProps(input, refiners) {
  let refined = {};
  let extra = {};
  for (let propName in refiners) {
    if (propName in input) {
      refined[propName] = refiners[propName](input[propName]);
    }
  }
  for (let propName in input) {
    if (!(propName in refiners)) {
      extra[propName] = input[propName];
    }
  }
  return { refined, extra };
}
function identity(raw) {
  return raw;
}
var { hasOwnProperty } = Object.prototype;
function mergeProps(propObjs, complexPropsMap) {
  let dest = {};
  if (complexPropsMap) {
    for (let name in complexPropsMap) {
      if (complexPropsMap[name] === isMaybeObjectsEqual) {
        let complexObjs = [];
        for (let i3 = propObjs.length - 1; i3 >= 0; i3 -= 1) {
          let val = propObjs[i3][name];
          if (typeof val === "object" && val) {
            complexObjs.unshift(val);
          } else if (val !== void 0) {
            dest[name] = val;
            break;
          }
        }
        if (complexObjs.length) {
          dest[name] = mergeProps(complexObjs);
        }
      }
    }
  }
  for (let i3 = propObjs.length - 1; i3 >= 0; i3 -= 1) {
    let props = propObjs[i3];
    for (let name in props) {
      if (!(name in dest)) {
        dest[name] = props[name];
      }
    }
  }
  return dest;
}
function filterHash(hash, func) {
  let filtered = {};
  for (let key in hash) {
    if (func(hash[key], key)) {
      filtered[key] = hash[key];
    }
  }
  return filtered;
}
function mapHash(hash, func) {
  let newHash = {};
  for (let key in hash) {
    newHash[key] = func(hash[key], key);
  }
  return newHash;
}
function arrayToHash(a3) {
  let hash = {};
  for (let item of a3) {
    hash[item] = true;
  }
  return hash;
}
function hashValuesToArray(obj) {
  let a3 = [];
  for (let key in obj) {
    a3.push(obj[key]);
  }
  return a3;
}
function isPropsEqual(obj0, obj1) {
  if (obj0 === obj1) {
    return true;
  }
  for (let key in obj0) {
    if (hasOwnProperty.call(obj0, key)) {
      if (!(key in obj1)) {
        return false;
      }
    }
  }
  for (let key in obj1) {
    if (hasOwnProperty.call(obj1, key)) {
      if (obj0[key] !== obj1[key]) {
        return false;
      }
    }
  }
  return true;
}
var HANDLER_RE = /^on[A-Z]/;
function isNonHandlerPropsEqual(obj0, obj1) {
  const keys = getUnequalProps(obj0, obj1);
  for (let key of keys) {
    if (!HANDLER_RE.test(key)) {
      return false;
    }
  }
  return true;
}
function getUnequalProps(obj0, obj1) {
  let keys = [];
  for (let key in obj0) {
    if (hasOwnProperty.call(obj0, key)) {
      if (!(key in obj1)) {
        keys.push(key);
      }
    }
  }
  for (let key in obj1) {
    if (hasOwnProperty.call(obj1, key)) {
      if (obj0[key] !== obj1[key]) {
        keys.push(key);
      }
    }
  }
  return keys;
}
function compareObjs(oldProps, newProps, equalityFuncs = {}) {
  if (oldProps === newProps) {
    return true;
  }
  for (let key in newProps) {
    if (key in oldProps && isObjValsEqual(oldProps[key], newProps[key], equalityFuncs[key])) ;
    else {
      return false;
    }
  }
  for (let key in oldProps) {
    if (!(key in newProps)) {
      return false;
    }
  }
  return true;
}
function isObjValsEqual(val0, val1, comparator) {
  if (val0 === val1 || comparator === true) {
    return true;
  }
  if (comparator) {
    return comparator(val0, val1);
  }
  return false;
}
function collectFromHash(hash, startIndex = 0, endIndex, step = 1) {
  let res = [];
  if (endIndex == null) {
    endIndex = Object.keys(hash).length;
  }
  for (let i3 = startIndex; i3 < endIndex; i3 += step) {
    let val = hash[i3];
    if (val !== void 0) {
      res.push(val);
    }
  }
  return res;
}
var calendarSystemClassMap = {};
function registerCalendarSystem(name, theClass) {
  calendarSystemClassMap[name] = theClass;
}
function createCalendarSystem(name) {
  return new calendarSystemClassMap[name]();
}
var GregorianCalendarSystem = class {
  getMarkerYear(d2) {
    return d2.getUTCFullYear();
  }
  getMarkerMonth(d2) {
    return d2.getUTCMonth();
  }
  getMarkerDay(d2) {
    return d2.getUTCDate();
  }
  arrayToMarker(arr) {
    return arrayToUtcDate(arr);
  }
  markerToArray(marker) {
    return dateToUtcArray(marker);
  }
};
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) {
  let m3 = ISO_RE.exec(str);
  if (m3) {
    let marker = new Date(Date.UTC(Number(m3[1]), m3[3] ? Number(m3[3]) - 1 : 0, Number(m3[5] || 1), Number(m3[7] || 0), Number(m3[8] || 0), Number(m3[10] || 0), m3[12] ? Number(`0.${m3[12]}`) * 1e3 : 0));
    if (isValidDate(marker)) {
      let timeZoneOffset = null;
      if (m3[13]) {
        timeZoneOffset = (m3[15] === "-" ? -1 : 1) * (Number(m3[16] || 0) * 60 + Number(m3[18] || 0));
      }
      return {
        marker,
        isTimeUnspecified: !m3[6],
        timeZoneOffset
      };
    }
  }
  return null;
}
var DateEnv = class {
  constructor(settings) {
    let timeZone = this.timeZone = settings.timeZone;
    let 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
  createMarker(input) {
    let meta = this.createMarkerMeta(input);
    if (meta === null) {
      return null;
    }
    return meta.marker;
  }
  createNowMarker() {
    if (this.canComputeOffset) {
      return this.timestampToMarker((/* @__PURE__ */ new Date()).valueOf());
    }
    return arrayToUtcDate(dateToLocalArray(/* @__PURE__ */ new Date()));
  }
  createMarkerMeta(input) {
    if (typeof input === "string") {
      return this.parse(input);
    }
    let 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, isTimeUnspecified: false, forcedTzo: null };
  }
  parse(s3) {
    let parts = parse(s3);
    if (parts === null) {
      return null;
    }
    let { marker } = parts;
    let forcedTzo = null;
    if (parts.timeZoneOffset !== null) {
      if (this.canComputeOffset) {
        marker = this.timestampToMarker(marker.valueOf() - parts.timeZoneOffset * 60 * 1e3);
      } else {
        forcedTzo = parts.timeZoneOffset;
      }
    }
    return { marker, isTimeUnspecified: parts.isTimeUnspecified, forcedTzo };
  }
  // Accessors
  getYear(marker) {
    return this.calendarSystem.getMarkerYear(marker);
  }
  getMonth(marker) {
    return this.calendarSystem.getMarkerMonth(marker);
  }
  getDay(marker) {
    return this.calendarSystem.getMarkerDay(marker);
  }
  // Adding / Subtracting
  add(marker, dur) {
    let a3 = this.calendarSystem.markerToArray(marker);
    a3[0] += dur.years;
    a3[1] += dur.months;
    a3[2] += dur.days;
    a3[6] += dur.milliseconds;
    return this.calendarSystem.arrayToMarker(a3);
  }
  subtract(marker, dur) {
    let a3 = this.calendarSystem.markerToArray(marker);
    a3[0] -= dur.years;
    a3[1] -= dur.months;
    a3[2] -= dur.days;
    a3[6] -= dur.milliseconds;
    return this.calendarSystem.arrayToMarker(a3);
  }
  addYears(marker, n2) {
    let a3 = this.calendarSystem.markerToArray(marker);
    a3[0] += n2;
    return this.calendarSystem.arrayToMarker(a3);
  }
  addMonths(marker, n2) {
    let a3 = this.calendarSystem.markerToArray(marker);
    a3[1] += n2;
    return this.calendarSystem.arrayToMarker(a3);
  }
  // Diffing Whole Units
  diffWholeYears(m0, m1) {
    let { calendarSystem } = this;
    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;
  }
  diffWholeMonths(m0, m1) {
    let { calendarSystem } = this;
    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
  greatestWholeUnit(m0, m1) {
    let n2 = this.diffWholeYears(m0, m1);
    if (n2 !== null) {
      return { unit: "year", value: n2 };
    }
    n2 = this.diffWholeMonths(m0, m1);
    if (n2 !== null) {
      return { unit: "month", value: n2 };
    }
    n2 = diffWholeWeeks(m0, m1);
    if (n2 !== null) {
      return { unit: "week", value: n2 };
    }
    n2 = diffWholeDays(m0, m1);
    if (n2 !== null) {
      return { unit: "day", value: n2 };
    }
    n2 = diffHours(m0, m1);
    if (isInt(n2)) {
      return { unit: "hour", value: n2 };
    }
    n2 = diffMinutes(m0, m1);
    if (isInt(n2)) {
      return { unit: "minute", value: n2 };
    }
    n2 = diffSeconds(m0, m1);
    if (isInt(n2)) {
      return { unit: "second", value: n2 };
    }
    return { unit: "millisecond", value: m1.valueOf() - m0.valueOf() };
  }
  countDurationsBetween(m0, m1, d2) {
    let diff;
    if (d2.years) {
      diff = this.diffWholeYears(m0, m1);
      if (diff !== null) {
        return diff / asRoughYears(d2);
      }
    }
    if (d2.months) {
      diff = this.diffWholeMonths(m0, m1);
      if (diff !== null) {
        return diff / asRoughMonths(d2);
      }
    }
    if (d2.days) {
      diff = diffWholeDays(m0, m1);
      if (diff !== null) {
        return diff / asRoughDays(d2);
      }
    }
    return (m1.valueOf() - m0.valueOf()) / asRoughMs(d2);
  }
  // Start-Of
  // these DON'T return zoned-dates. only UTC start-of dates
  startOf(m3, unit) {
    if (unit === "year") {
      return this.startOfYear(m3);
    }
    if (unit === "month") {
      return this.startOfMonth(m3);
    }
    if (unit === "week") {
      return this.startOfWeek(m3);
    }
    if (unit === "day") {
      return startOfDay(m3);
    }
    if (unit === "hour") {
      return startOfHour(m3);
    }
    if (unit === "minute") {
      return startOfMinute(m3);
    }
    if (unit === "second") {
      return startOfSecond(m3);
    }
    return null;
  }
  startOfYear(m3) {
    return this.calendarSystem.arrayToMarker([
      this.calendarSystem.getMarkerYear(m3)
    ]);
  }
  startOfMonth(m3) {
    return this.calendarSystem.arrayToMarker([
      this.calendarSystem.getMarkerYear(m3),
      this.calendarSystem.getMarkerMonth(m3)
    ]);
  }
  startOfWeek(m3) {
    return this.calendarSystem.arrayToMarker([
      this.calendarSystem.getMarkerYear(m3),
      this.calendarSystem.getMarkerMonth(m3),
      m3.getUTCDate() - (m3.getUTCDay() - this.weekDow + 7) % 7
    ]);
  }
  // Week Number
  computeWeekNumber(marker) {
    if (this.weekNumberFunc) {
      return this.weekNumberFunc(this.toDate(marker));
    }
    return weekOfYear(marker, this.weekDow, this.weekDoy);
  }
  // TODO: choke on timeZoneName: long
  format(marker, formatter, dateOptions = {}) {
    return formatter.format({
      marker,
      timeZoneOffset: dateOptions.forcedTzo != null ? dateOptions.forcedTzo : this.offsetForMarker(marker)
    }, this);
  }
  formatRange(start, end, formatter, 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
  */
  formatIso(marker, extraOptions = {}) {
    let timeZoneOffset = null;
    if (!extraOptions.omitTimeZoneOffset) {
      if (extraOptions.forcedTzo != null) {
        timeZoneOffset = extraOptions.forcedTzo;
      } else {
        timeZoneOffset = this.offsetForMarker(marker);
      }
    }
    return buildIsoString(marker, timeZoneOffset, extraOptions.omitTime);
  }
  // TimeZone
  timestampToMarker(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));
  }
  offsetForMarker(m3) {
    if (this.timeZone === "local") {
      return -arrayToLocalDate(dateToUtcArray(m3)).getTimezoneOffset();
    }
    if (this.timeZone === "UTC") {
      return 0;
    }
    if (this.namedTimeZoneImpl) {
      return this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m3));
    }
    return null;
  }
  // Conversion
  toDate(m3, forcedTzo) {
    if (this.timeZone === "local") {
      return arrayToLocalDate(dateToUtcArray(m3));
    }
    if (this.timeZone === "UTC") {
      return new Date(m3.valueOf());
    }
    if (!this.namedTimeZoneImpl) {
      return new Date(m3.valueOf() - (forcedTzo || 0));
    }
    return new Date(m3.valueOf() - this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m3)) * 1e3 * 60);
  }
};
var Theme = class {
  constructor(calendarOptions) {
    if (this.iconOverrideOption) {
      this.setIconOverride(calendarOptions[this.iconOverrideOption]);
    }
  }
  setIconOverride(iconOverrideHash) {
    let iconClassesCopy;
    let buttonName;
    if (typeof iconOverrideHash === "object" && iconOverrideHash) {
      iconClassesCopy = Object.assign({}, this.iconClasses);
      for (buttonName in iconOverrideHash) {
        iconClassesCopy[buttonName] = this.applyIconOverridePrefix(iconOverrideHash[buttonName]);
      }
      this.iconClasses = iconClassesCopy;
    } else if (iconOverrideHash === false) {
      this.iconClasses = {};
    }
  }
  applyIconOverridePrefix(className) {
    let prefix = this.iconOverridePrefix;
    if (prefix && className.indexOf(prefix) !== 0) {
      className = prefix + className;
    }
    return className;
  }
  getClass(key) {
    return this.classes[key] || "";
  }
  getIconClass(buttonName, isRtl) {
    let className;
    if (isRtl && this.rtlIconClasses) {
      className = this.rtlIconClasses[buttonName] || this.iconClasses[buttonName];
    } else {
      className = this.iconClasses[buttonName];
    }
    if (className) {
      return `${this.baseIconClass} ${className}`;
    }
    return "";
  }
  getCustomButtonIconClass(customButtonProps) {
    let className;
    if (this.iconOverrideCustomButtonOption) {
      className = customButtonProps[this.iconOverrideCustomButtonOption];
      if (className) {
        return `${this.baseIconClass} ${this.applyIconOverridePrefix(className)}`;
      }
    }
    return "";
  }
};
Theme.prototype.classes = {};
Theme.prototype.iconClasses = {};
Theme.prototype.baseIconClass = "";
Theme.prototype.iconOverridePrefix = "";
function flushSync(runBeforeFlush) {
  runBeforeFlush();
  let oldDebounceRendering = l.debounceRendering;
  let callbackQ = [];
  function execCallbackSync(callback) {
    callbackQ.push(callback);
  }
  l.debounceRendering = execCallbackSync;
  D(y(FakeComponent, {}), document.createElement("div"));
  while (callbackQ.length) {
    callbackQ.shift()();
  }
  l.debounceRendering = oldDebounceRendering;
}
var FakeComponent = class extends x {
  render() {
    return y("div", {});
  }
  componentDidMount() {
    this.setState({});
  }
};
function createContext(defaultValue) {
  let ContextType = G(defaultValue);
  let origProvider = ContextType.Provider;
  ContextType.Provider = function() {
    let isNew = !this.getChildContext;
    let children = origProvider.apply(this, arguments);
    if (isNew) {
      let subs = [];
      this.shouldComponentUpdate = (_props) => {
        if (this.props.value !== _props.value) {
          subs.forEach((c3) => {
            c3.context = _props.value;
            c3.forceUpdate();
          });
        }
      };
      this.sub = (c3) => {
        subs.push(c3);
        let old = c3.componentWillUnmount;
        c3.componentWillUnmount = () => {
          subs.splice(subs.indexOf(c3), 1);
          old && old.call(c3);
        };
      };
    }
    return children;
  };
  return ContextType;
}
var ScrollResponder = class {
  constructor(execFunc, emitter, scrollTime, scrollTimeReset) {
    this.execFunc = execFunc;
    this.emitter = emitter;
    this.scrollTime = scrollTime;
    this.scrollTimeReset = scrollTimeReset;
    this.handleScrollRequest = (request) => {
      this.queuedRequest = Object.assign({}, this.queuedRequest || {}, request);
      this.drain();
    };
    emitter.on("_scrollRequest", this.handleScrollRequest);
    this.fireInitialScroll();
  }
  detach() {
    this.emitter.off("_scrollRequest", this.handleScrollRequest);
  }
  update(isDatesNew) {
    if (isDatesNew && this.scrollTimeReset) {
      this.fireInitialScroll();
    } else {
      this.drain();
    }
  }
  fireInitialScroll() {
    this.handleScrollRequest({
      time: this.scrollTime
    });
  }
  drain() {
    if (this.queuedRequest && this.execFunc(this.queuedRequest)) {
      this.queuedRequest = null;
    }
  }
};
var ViewContextType = createContext({});
function buildViewContext(viewSpec, viewApi, viewOptions, dateProfileGenerator, dateEnv, nowManager, theme, pluginHooks, dispatch, getCurrentData, emitter, calendarApi, registerInteractiveComponent, unregisterInteractiveComponent) {
  return {
    dateEnv,
    nowManager,
    options: viewOptions,
    pluginHooks,
    emitter,
    dispatch,
    getCurrentData,
    calendarApi,
    viewSpec,
    viewApi,
    dateProfileGenerator,
    theme,
    isRtl: viewOptions.direction === "rtl",
    addResizeHandler(handler) {
      emitter.on("_resize", handler);
    },
    removeResizeHandler(handler) {
      emitter.off("_resize", handler);
    },
    createScrollResponder(execFunc) {
      return new ScrollResponder(execFunc, emitter, createDuration(viewOptions.scrollTime), viewOptions.scrollTimeReset);
    },
    registerInteractiveComponent,
    unregisterInteractiveComponent
  };
}
var PureComponent = class extends x {
  // debug: boolean
  shouldComponentUpdate(nextProps, nextState) {
    const shouldUpdate = !compareObjs(
      this.props,
      nextProps,
      this.propEquality
      /*, this.debug */
    ) || !compareObjs(
      this.state,
      nextState,
      this.stateEquality
      /*, this.debug */
    );
    return shouldUpdate;
  }
  // HACK for freakin' React StrictMode
  safeSetState(newState) {
    if (!compareObjs(this.state, Object.assign(Object.assign({}, this.state), newState), this.stateEquality)) {
      this.setState(newState);
    }
  }
};
PureComponent.addPropsEquality = addPropsEquality;
PureComponent.addStateEquality = addStateEquality;
PureComponent.contextType = ViewContextType;
PureComponent.prototype.propEquality = {};
PureComponent.prototype.stateEquality = {};
var BaseComponent = class extends PureComponent {
};
BaseComponent.contextType = ViewContextType;
function addPropsEquality(propEquality) {
  let hash = Object.create(this.prototype.propEquality);
  Object.assign(hash, propEquality);
  this.prototype.propEquality = hash;
}
function addStateEquality(stateEquality) {
  let hash = Object.create(this.prototype.stateEquality);
  Object.assign(hash, stateEquality);
  this.prototype.stateEquality = hash;
}
function setRef(ref, current) {
  if (typeof ref === "function") {
    ref(current);
  } else if (ref) {
    ref.current = current;
  }
}
var ContentInjector = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.id = guid();
    this.queuedDomNodes = [];
    this.currentDomNodes = [];
    this.handleEl = (el) => {
      const { options } = this.context;
      const { generatorName } = this.props;
      if (!options.customRenderingReplaces || !hasCustomRenderingHandler(generatorName, options)) {
        this.updateElRef(el);
      }
    };
    this.updateElRef = (el) => {
      if (this.props.elRef) {
        setRef(this.props.elRef, el);
      }
    };
  }
  render() {
    const { props, context } = this;
    const { options } = context;
    const { customGenerator, defaultGenerator, renderProps } = props;
    const attrs = buildElAttrs(props, [], this.handleEl);
    let useDefault = false;
    let innerContent;
    let queuedDomNodes = [];
    let currentGeneratorMeta;
    if (customGenerator != null) {
      const customGeneratorRes = typeof customGenerator === "function" ? customGenerator(renderProps, y) : customGenerator;
      if (customGeneratorRes === true) {
        useDefault = true;
      } else {
        const isObject = customGeneratorRes && typeof customGeneratorRes === "object";
        if (isObject && "html" in customGeneratorRes) {
          attrs.dangerouslySetInnerHTML = { __html: customGeneratorRes.html };
        } else if (isObject && "domNodes" in customGeneratorRes) {
          queuedDomNodes = Array.prototype.slice.call(customGeneratorRes.domNodes);
        } else if (isObject ? i(customGeneratorRes) : typeof customGeneratorRes !== "function") {
          innerContent = customGeneratorRes;
        } else {
          currentGeneratorMeta = customGeneratorRes;
        }
      }
    } else {
      useDefault = !hasCustomRenderingHandler(props.generatorName, options);
    }
    if (useDefault && defaultGenerator) {
      innerContent = defaultGenerator(renderProps);
    }
    this.queuedDomNodes = queuedDomNodes;
    this.currentGeneratorMeta = currentGeneratorMeta;
    return y(props.elTag, attrs, innerContent);
  }
  componentDidMount() {
    this.applyQueueudDomNodes();
    this.triggerCustomRendering(true);
  }
  componentDidUpdate() {
    this.applyQueueudDomNodes();
    this.triggerCustomRendering(true);
  }
  componentWillUnmount() {
    this.triggerCustomRendering(false);
  }
  triggerCustomRendering(isActive) {
    var _a;
    const { props, context } = this;
    const { handleCustomRendering, customRenderingMetaMap } = context.options;
    if (handleCustomRendering) {
      const generatorMeta = (_a = this.currentGeneratorMeta) !== null && _a !== void 0 ? _a : customRenderingMetaMap === null || customRenderingMetaMap === void 0 ? void 0 : customRenderingMetaMap[props.generatorName];
      if (generatorMeta) {
        handleCustomRendering(Object.assign(Object.assign({
          id: this.id,
          isActive,
          containerEl: this.base,
          reportNewContainerEl: this.updateElRef,
          // front-end framework tells us about new container els
          generatorMeta
        }, props), { elClasses: (props.elClasses || []).filter(isTruthy) }));
      }
    }
  }
  applyQueueudDomNodes() {
    const { queuedDomNodes, currentDomNodes } = this;
    const el = this.base;
    if (!isArraysEqual(queuedDomNodes, currentDomNodes)) {
      currentDomNodes.forEach(removeElement);
      for (let newNode of queuedDomNodes) {
        el.appendChild(newNode);
      }
      this.currentDomNodes = queuedDomNodes;
    }
  }
};
ContentInjector.addPropsEquality({
  elClasses: isArraysEqual,
  elStyle: isPropsEqual,
  elAttrs: isNonHandlerPropsEqual,
  renderProps: isPropsEqual
});
function hasCustomRenderingHandler(generatorName, options) {
  var _a;
  return Boolean(options.handleCustomRendering && generatorName && ((_a = options.customRenderingMetaMap) === null || _a === void 0 ? void 0 : _a[generatorName]));
}
function buildElAttrs(props, extraClassNames, elRef) {
  const attrs = Object.assign(Object.assign({}, props.elAttrs), { ref: elRef });
  if (props.elClasses || extraClassNames) {
    attrs.className = (props.elClasses || []).concat(extraClassNames || []).concat(attrs.className || []).filter(Boolean).join(" ");
  }
  if (props.elStyle) {
    attrs.style = props.elStyle;
  }
  return attrs;
}
function isTruthy(val) {
  return Boolean(val);
}
var RenderId = createContext(0);
var ContentContainer = class extends x {
  constructor() {
    super(...arguments);
    this.InnerContent = InnerContentInjector.bind(void 0, this);
    this.handleEl = (el) => {
      this.el = el;
      if (this.props.elRef) {
        setRef(this.props.elRef, el);
        if (el && this.didMountMisfire) {
          this.componentDidMount();
        }
      }
    };
  }
  render() {
    const { props } = this;
    const generatedClassNames = generateClassNames(props.classNameGenerator, props.renderProps);
    if (props.children) {
      const elAttrs = buildElAttrs(props, generatedClassNames, this.handleEl);
      const children = props.children(this.InnerContent, props.renderProps, elAttrs);
      if (props.elTag) {
        return y(props.elTag, elAttrs, children);
      } else {
        return children;
      }
    } else {
      return y(ContentInjector, Object.assign(Object.assign({}, props), { elRef: this.handleEl, elTag: props.elTag || "div", elClasses: (props.elClasses || []).concat(generatedClassNames), renderId: this.context }));
    }
  }
  componentDidMount() {
    var _a, _b;
    if (this.el) {
      (_b = (_a = this.props).didMount) === null || _b === void 0 ? void 0 : _b.call(_a, Object.assign(Object.assign({}, this.props.renderProps), { el: this.el }));
    } else {
      this.didMountMisfire = true;
    }
  }
  componentWillUnmount() {
    var _a, _b;
    (_b = (_a = this.props).willUnmount) === null || _b === void 0 ? void 0 : _b.call(_a, Object.assign(Object.assign({}, this.props.renderProps), { el: this.el }));
  }
};
ContentContainer.contextType = RenderId;
function InnerContentInjector(containerComponent, props) {
  const parentProps = containerComponent.props;
  return y(ContentInjector, Object.assign({ renderProps: parentProps.renderProps, generatorName: parentProps.generatorName, customGenerator: parentProps.customGenerator, defaultGenerator: parentProps.defaultGenerator, renderId: containerComponent.context }, props));
}
function generateClassNames(classNameGenerator, renderProps) {
  const classNames = typeof classNameGenerator === "function" ? classNameGenerator(renderProps) : classNameGenerator || [];
  return typeof classNames === "string" ? [classNames] : classNames;
}
var ViewContainer = class extends BaseComponent {
  render() {
    let { props, context } = this;
    let { options } = context;
    let renderProps = { view: context.viewApi };
    return y(ContentContainer, { elRef: props.elRef, elTag: props.elTag || "div", elAttrs: props.elAttrs, elClasses: [
      ...buildViewClassNames(props.viewSpec),
      ...props.elClasses || []
    ], elStyle: props.elStyle, renderProps, classNameGenerator: options.viewClassNames, generatorName: void 0, didMount: options.viewDidMount, willUnmount: options.viewWillUnmount }, () => props.children);
  }
};
function buildViewClassNames(viewSpec) {
  return [
    `fc-${viewSpec.type}-view`,
    "fc-view"
  ];
}
function parseRange(input, dateEnv) {
  let start = null;
  let 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, end };
}
function invertRanges(ranges, constraintRange) {
  let invertedRanges = [];
  let { start } = constraintRange;
  let i3;
  let dateRange;
  ranges.sort(compareRanges);
  for (i3 = 0; i3 < ranges.length; i3 += 1) {
    dateRange = ranges[i3];
    if (dateRange.start > start) {
      invertedRanges.push({ start, end: dateRange.start });
    }
    if (dateRange.end > start) {
      start = dateRange.end;
    }
  }
  if (start < constraintRange.end) {
    invertedRanges.push({ start, end: constraintRange.end });
  }
  return invertedRanges;
}
function compareRanges(range0, range1) {
  return range0.start.valueOf() - range1.start.valueOf();
}
function intersectRanges(range0, range1) {
  let { start, end } = range0;
  let 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, 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);
}
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;
}
function computeAlignedDayRange(timedRange) {
  let dayCnt = Math.floor(diffDays(timedRange.start, timedRange.end)) || 1;
  let start = startOfDay(timedRange.start);
  let end = addDays(start, dayCnt);
  return { start, end };
}
function computeVisibleDayRange(timedRange, nextDayThreshold = createDuration(0)) {
  let startDay = null;
  let endDay = null;
  if (timedRange.end) {
    endDay = startOfDay(timedRange.end);
    let endTimeMS = timedRange.end.valueOf() - endDay.valueOf();
    if (endTimeMS && endTimeMS >= asRoughMs(nextDayThreshold)) {
      endDay = addDays(endDay, 1);
    }
  }
  if (timedRange.start) {
    startDay = startOfDay(timedRange.start);
    if (endDay && endDay <= startDay) {
      endDay = addDays(startDay, 1);
    }
  }
  return { start: startDay, end: endDay };
}
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);
}
var DateProfileGenerator = class {
  constructor(props) {
    this.props = props;
    this.initHiddenDays();
  }
  /* Date Range Computation
  ------------------------------------------------------------------------------------------------------------------*/
  // Builds a structure with info about what the dates/ranges will be for the "prev" view.
  buildPrev(currentDateProfile, currentDate, forceToValid) {
    let { dateEnv } = this.props;
    let 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.
  buildNext(currentDateProfile, currentDate, forceToValid) {
    let { dateEnv } = this.props;
    let 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).
  build(currentDate, direction, forceToValid = true) {
    let { props } = this;
    let validRange;
    let currentInfo;
    let isRangeAllDay;
    let renderRange;
    let activeRange;
    let 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);
    isValid = rangesIntersect(currentInfo.range, validRange);
    if (!rangeContainsMarker(renderRange, currentDate)) {
      currentDate = renderRange.start;
    }
    return {
      currentDate,
      // 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,
      // 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,
      // dates that display events and accept drag-n-drop
      // will be `null` if no dates accept events
      activeRange,
      // date range with a rendered skeleton
      // includes not-active days that need some sort of DOM
      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,
      // 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.
  buildValidRange() {
    let input = this.props.validRangeInput;
    let simpleInput = typeof input === "function" ? input.call(this.props.calendarApi, this.props.dateEnv.toDate(this.props.nowManager.getDateMarker())) : input;
    return this.refineRange(simpleInput) || { start: null, end: null };
  }
  // 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.
  buildCurrentRangeInfo(date, direction) {
    let { props } = this;
    let duration = null;
    let unit = null;
    let range = null;
    let 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, unit, range };
  }
  getFallbackDuration() {
    return createDuration({ day: 1 });
  }
  // Returns a new activeRange to have time values (un-ambiguate)
  // slotMinTime or slotMaxTime causes the range to expand.
  adjustActiveRange(range) {
    let { dateEnv, usesMinMaxTime, slotMinTime, slotMaxTime } = this.props;
    let { start, end } = range;
    if (usesMinMaxTime) {
      if (asRoughDays(slotMinTime) < 0) {
        start = startOfDay(start);
        start = dateEnv.add(start, slotMinTime);
      }
      if (asRoughDays(slotMaxTime) > 1) {
        end = startOfDay(end);
        end = addDays(end, -1);
        end = dateEnv.add(end, slotMaxTime);
      }
    }
    return { start, end };
  }
  // Builds the "current" range when it is specified as an explicit duration.
  // `unit` is the already-computed greatestDurationDenominator unit of duration.
  buildRangeFromDuration(date, direction, duration, unit) {
    let { dateEnv, dateAlignment } = this.props;
    let start;
    let end;
    let res;
    if (!dateAlignment) {
      let { dateIncrement } = this.props;
      if (dateIncrement) {
        if (asRoughMs(dateIncrement) < asRoughMs(duration)) {
          dateAlignment = greatestDurationDenominator(dateIncrement).unit;
        } else {
          dateAlignment = unit;
        }
      } else {
        dateAlignment = unit;
      }
    }
    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, end };
    }
    computeRes();
    if (!this.trimHiddenDays(res)) {
      date = this.skipHiddenDays(date, direction);
      computeRes();
    }
    return res;
  }
  // Builds the "current" range when a dayCount is specified.
  buildRangeFromDayCount(date, direction, dayCount) {
    let { dateEnv, dateAlignment } = this.props;
    let runningCount = 0;
    let start = date;
    let 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, end };
  }
  // Builds a normalized range object for the "visible" range,
  // which is a way to define the currentRange and activeRange at the same time.
  buildCustomVisibleRange(date) {
    let { props } = this;
    let input = props.visibleRangeInput;
    let simpleInput = typeof input === "function" ? input.call(props.calendarApi, props.dateEnv.toDate(date)) : input;
    let 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.
  buildRenderRange(currentRange, currentRangeUnit, isRangeAllDay) {
    return currentRange;
  }
  // Compute the duration value that should be added/substracted to the current date
  // when a prev/next operation happens.
  buildDateIncrement(fallback) {
    let { dateIncrement } = this.props;
    let customAlignment;
    if (dateIncrement) {
      return dateIncrement;
    }
    if (customAlignment = this.props.dateAlignment) {
      return createDuration(1, customAlignment);
    }
    if (fallback) {
      return fallback;
    }
    return createDuration({ days: 1 });
  }
  refineRange(rangeInput) {
    if (rangeInput) {
      let 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
  initHiddenDays() {
    let hiddenDays = this.props.hiddenDays || [];
    let isHiddenDayHash = [];
    let dayCnt = 0;
    let i3;
    if (this.props.weekends === false) {
      hiddenDays.push(0, 6);
    }
    for (i3 = 0; i3 < 7; i3 += 1) {
      if (!(isHiddenDayHash[i3] = hiddenDays.indexOf(i3) !== -1)) {
        dayCnt += 1;
      }
    }
    if (!dayCnt) {
      throw new Error("invalid hiddenDays");
    }
    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
  trimHiddenDays(range) {
    let { start, end } = range;
    if (start) {
      start = this.skipHiddenDays(start);
    }
    if (end) {
      end = this.skipHiddenDays(end, -1, true);
    }
    if (start == null || end == null || start < end) {
      return { start, end };
    }
    return null;
  }
  // Is the current day hidden?
  // `day` is a day-of-week index (0-6), or a Date (used for UTC)
  isHiddenDay(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)
  skipHiddenDays(date, inc = 1, isExclusive = false) {
    while (this.isHiddenDayHash[(date.getUTCDay() + (isExclusive ? inc : 0) + 7) % 7]) {
      date = addDays(date, inc);
    }
    return date;
  }
};
function createEventInstance(defId, range, forcedStartTzo, forcedEndTzo) {
  return {
    instanceId: guid(),
    defId,
    range,
    forcedStartTzo: forcedStartTzo == null ? null : forcedStartTzo,
    forcedEndTzo: forcedEndTzo == null ? null : forcedEndTzo
  };
}
function parseRecurring(refined, defaultAllDay, dateEnv, recurringTypes) {
  for (let i3 = 0; i3 < recurringTypes.length; i3 += 1) {
    let parsed = recurringTypes[i3].parse(refined, dateEnv);
    if (parsed) {
      let { allDay } = refined;
      if (allDay == null) {
        allDay = defaultAllDay;
        if (allDay == null) {
          allDay = parsed.allDayGuess;
          if (allDay == null) {
            allDay = false;
          }
        }
      }
      return {
        allDay,
        duration: parsed.duration,
        typeData: parsed.typeData,
        typeId: i3
      };
    }
  }
  return null;
}
function expandRecurring(eventStore, framingRange, context) {
  let { dateEnv, pluginHooks, options } = context;
  let { defs, instances } = eventStore;
  instances = filterHash(instances, (instance) => !defs[instance.defId].recurringDef);
  for (let defId in defs) {
    let def = defs[defId];
    if (def.recurringDef) {
      let { duration } = def.recurringDef;
      if (!duration) {
        duration = def.allDay ? options.defaultAllDayEventDuration : options.defaultTimedEventDuration;
      }
      let starts = expandRecurringRanges(def, duration, framingRange, dateEnv, pluginHooks.recurringTypes);
      for (let start of starts) {
        let instance = createEventInstance(defId, {
          start,
          end: dateEnv.add(start, duration)
        });
        instances[instance.instanceId] = instance;
      }
    }
  }
  return { defs, instances };
}
function expandRecurringRanges(eventDef, duration, framingRange, dateEnv, recurringTypes) {
  let typeDef = recurringTypes[eventDef.recurringDef.typeId];
  let markers = typeDef.expand(eventDef.recurringDef.typeData, {
    start: dateEnv.subtract(framingRange.start, duration),
    end: framingRange.end
  }, dateEnv);
  if (eventDef.allDay) {
    markers = markers.map(startOfDay);
  }
  return markers;
}
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 = Object.assign(Object.assign(Object.assign({}, EVENT_NON_DATE_REFINERS), EVENT_DATE_REFINERS), { extendedProps: identity });
function parseEvent(raw, eventSource, context, allowOpenRange, refiners = buildEventRefiners(context), defIdMap, instanceIdMap) {
  let { refined, extra } = refineEventDef(raw, context, refiners);
  let defaultAllDay = computeIsDefaultAllDay(eventSource, context);
  let recurringRes = parseRecurring(refined, defaultAllDay, context.dateEnv, context.pluginHooks.recurringTypes);
  if (recurringRes) {
    let def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : "", recurringRes.allDay, Boolean(recurringRes.duration), context, defIdMap);
    def.recurringDef = {
      typeId: recurringRes.typeId,
      typeData: recurringRes.typeData,
      duration: recurringRes.duration
    };
    return { def, instance: null };
  }
  let singleRes = parseSingle(refined, defaultAllDay, context, allowOpenRange);
  if (singleRes) {
    let def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : "", singleRes.allDay, singleRes.hasEnd, context, defIdMap);
    let instance = createEventInstance(def.defId, singleRes.range, singleRes.forcedStartTzo, singleRes.forcedEndTzo);
    if (instanceIdMap && def.publicId && instanceIdMap[def.publicId]) {
      instance.instanceId = instanceIdMap[def.publicId];
    }
    return { def, instance };
  }
  return null;
}
function refineEventDef(raw, context, refiners = buildEventRefiners(context)) {
  return refineProps(raw, refiners);
}
function buildEventRefiners(context) {
  return Object.assign(Object.assign(Object.assign({}, EVENT_UI_REFINERS), EVENT_REFINERS), context.pluginHooks.eventRefiners);
}
function parseEventDef(refined, extra, sourceId, allDay, hasEnd, context, defIdMap) {
  let def = {
    title: refined.title || "",
    groupId: refined.groupId || "",
    publicId: refined.id || "",
    url: refined.url || "",
    recurringDef: null,
    defId: (defIdMap && refined.id ? defIdMap[refined.id] : "") || guid(),
    sourceId,
    allDay,
    hasEnd,
    interactive: refined.interactive,
    ui: createEventUi(refined, context),
    extendedProps: Object.assign(Object.assign({}, refined.extendedProps || {}), extra)
  };
  for (let memberAdder of context.pluginHooks.eventDefMemberAdders) {
    Object.assign(def, memberAdder(refined));
  }
  Object.freeze(def.ui.classNames);
  Object.freeze(def.extendedProps);
  return def;
}
function parseSingle(refined, defaultAllDay, context, allowOpenRange) {
  let { allDay } = refined;
  let startMeta;
  let startMarker = null;
  let hasEnd = false;
  let endMeta;
  let endMarker = null;
  let 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 {
      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,
    hasEnd,
    range: { start: startMarker, end: endMarker },
    forcedStartTzo: startMeta ? startMeta.forcedTzo : null,
    forcedEndTzo: endMeta ? endMeta.forcedTzo : null
  };
}
function computeIsDefaultAllDay(eventSource, context) {
  let res = null;
  if (eventSource) {
    res = eventSource.defaultAllDay;
  }
  if (res == null) {
    res = context.options.defaultAllDay;
  }
  return res;
}
function parseEvents(rawEvents, eventSource, context, allowOpenRange, defIdMap, instanceIdMap) {
  let eventStore = createEmptyEventStore();
  let eventRefiners = buildEventRefiners(context);
  for (let rawEvent of rawEvents) {
    let tuple = parseEvent(rawEvent, eventSource, context, allowOpenRange, eventRefiners, defIdMap, instanceIdMap);
    if (tuple) {
      eventTupleToStore(tuple, eventStore);
    }
  }
  return eventStore;
}
function eventTupleToStore(tuple, eventStore = createEmptyEventStore()) {
  eventStore.defs[tuple.def.defId] = tuple.def;
  if (tuple.instance) {
    eventStore.instances[tuple.instance.instanceId] = tuple.instance;
  }
  return eventStore;
}
function getRelevantEvents(eventStore, instanceId) {
  let instance = eventStore.instances[instanceId];
  if (instance) {
    let def = eventStore.defs[instance.defId];
    let newStore = filterEventStoreDefs(eventStore, (lookDef) => isEventDefsGrouped(def, lookDef));
    newStore.defs[def.defId] = def;
    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: Object.assign(Object.assign({}, store0.defs), store1.defs),
    instances: Object.assign(Object.assign({}, store0.instances), store1.instances)
  };
}
function filterEventStoreDefs(eventStore, filterFunc) {
  let defs = filterHash(eventStore.defs, filterFunc);
  let instances = filterHash(eventStore.instances, (instance) => defs[instance.defId]);
  return { defs, instances };
}
function excludeSubEventStore(master, sub) {
  let { defs, instances } = master;
  let filteredDefs = {};
  let filteredInstances = {};
  for (let defId in defs) {
    if (!sub.defs[defId]) {
      filteredDefs[defId] = defs[defId];
    }
  }
  for (let instanceId in instances) {
    if (!sub.instances[instanceId] && // not explicitly excluded
    filteredDefs[instances[instanceId].defId]) {
      filteredInstances[instanceId] = instances[instanceId];
    }
  }
  return {
    defs: filteredDefs,
    instances: filteredInstances
  };
}
function normalizeConstraint(input, context) {
  if (Array.isArray(input)) {
    return parseEvents(input, null, context, true);
  }
  if (typeof input === "object" && input) {
    return parseEvents([input], null, context, 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 [];
}
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) {
  let 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
  };
}
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_SOURCE_REFINERS = {
  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 = buildEventSourceRefiners(context)) {
  let 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) {
    rawObj = raw;
  }
  if (rawObj) {
    let { refined, extra } = refineProps(rawObj, refiners);
    let 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 Object.assign(Object.assign(Object.assign({}, EVENT_UI_REFINERS), EVENT_SOURCE_REFINERS), context.pluginHooks.eventSourceRefiners);
}
function buildEventSourceMeta(raw, context) {
  let defs = context.pluginHooks.eventSourceDefs;
  for (let i3 = defs.length - 1; i3 >= 0; i3 -= 1) {
    let def = defs[i3];
    let meta = def.parseMeta(raw);
    if (meta) {
      return { sourceDefId: i3, meta };
    }
  }
  return null;
}
function reduceEventStore(eventStore, action, eventSources, dateProfile, context) {
  switch (action.type) {
    case "RECEIVE_EVENTS":
      return receiveRawEvents(eventStore, eventSources[action.sourceId], action.fetchId, action.fetchRange, action.rawEvents, context);
    case "RESET_RAW_EVENTS":
      return resetRawEvents(eventStore, eventSources[action.sourceId], action.rawEvents, dateProfile.activeRange, context);
    case "ADD_EVENTS":
      return addEvent(
        eventStore,
        action.eventStore,
        // new ones
        dateProfile ? dateProfile.activeRange : null,
        context
      );
    case "RESET_EVENTS":
      return action.eventStore;
    case "MERGE_EVENTS":
      return mergeEventStores(eventStore, action.eventStore);
    case "PREV":
    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, (eventDef) => !eventDef.sourceId);
    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) {
    let 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 resetRawEvents(existingEventStore, eventSource, rawEvents, activeRange, context) {
  const { defIdMap, instanceIdMap } = buildPublicIdMaps(existingEventStore);
  let newEventStore = parseEvents(transformRawEvents(rawEvents, eventSource, context), eventSource, context, false, defIdMap, instanceIdMap);
  return expandRecurring(newEventStore, activeRange, context);
}
function transformRawEvents(rawEvents, eventSource, context) {
  let calEachTransform = context.options.eventDataTransform;
  let sourceEachTransform = eventSource ? eventSource.eventDataTransform : null;
  if (sourceEachTransform) {
    rawEvents = transformEachRawEvent(rawEvents, sourceEachTransform);
  }
  if (calEachTransform) {
    rawEvents = transformEachRawEvent(rawEvents, calEachTransform);
  }
  return rawEvents;
}
function transformEachRawEvent(rawEvents, func) {
  let refinedEvents;
  if (!func) {
    refinedEvents = rawEvents;
  } else {
    refinedEvents = [];
    for (let rawEvent of rawEvents) {
      let refinedEvent = func(rawEvent);
      if (refinedEvent) {
        refinedEvents.push(refinedEvent);
      } else if (refinedEvent == null) {
        refinedEvents.push(rawEvent);
      }
    }
  }
  return refinedEvents;
}
function addEvent(eventStore, subset, expandRange, context) {
  if (expandRange) {
    subset = expandRecurring(subset, expandRange, context);
  }
  return mergeEventStores(eventStore, subset);
}
function rezoneEventStoreDates(eventStore, oldDateEnv, newDateEnv) {
  let { defs } = eventStore;
  let instances = mapHash(eventStore.instances, (instance) => {
    let def = defs[instance.defId];
    if (def.allDay) {
      return instance;
    }
    return Object.assign(Object.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, instances };
}
function excludeEventsBySourceId(eventStore, sourceId) {
  return filterEventStoreDefs(eventStore, (eventDef) => eventDef.sourceId !== sourceId);
}
function excludeInstances(eventStore, removals) {
  return {
    defs: eventStore.defs,
    instances: filterHash(eventStore.instances, (instance) => !removals[instance.instanceId])
  };
}
function buildPublicIdMaps(eventStore) {
  const { defs, instances } = eventStore;
  const defIdMap = {};
  const instanceIdMap = {};
  for (let defId in defs) {
    const def = defs[defId];
    const { publicId } = def;
    if (publicId) {
      defIdMap[publicId] = defId;
    }
  }
  for (let instanceId in instances) {
    const instance = instances[instanceId];
    const def = defs[instance.defId];
    const { publicId } = def;
    if (publicId) {
      instanceIdMap[publicId] = instanceId;
    }
  }
  return { defIdMap, instanceIdMap };
}
var Emitter = class {
  constructor() {
    this.handlers = {};
    this.thisContext = null;
  }
  setThisContext(thisContext) {
    this.thisContext = thisContext;
  }
  setOptions(options) {
    this.options = options;
  }
  on(type, handler) {
    addToHash(this.handlers, type, handler);
  }
  off(type, handler) {
    removeFromHash(this.handlers, type, handler);
  }
  trigger(type, ...args) {
    let attachedHandlers = this.handlers[type] || [];
    let optionHandler = this.options && this.options[type];
    let handlers = [].concat(optionHandler || [], attachedHandlers);
    for (let handler of handlers) {
      handler.apply(this.thisContext, args);
    }
  }
  hasHandlers(type) {
    return Boolean(this.handlers[type] && this.handlers[type].length || this.options && this.options[type]);
  }
};
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((func) => func !== handler);
    }
  } else {
    delete hash[type];
  }
}
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
};
function parseBusinessHours(input, context) {
  return parseEvents(refineInputs(input), null, context);
}
function refineInputs(input) {
  let rawDefs;
  if (input === true) {
    rawDefs = [{}];
  } else if (Array.isArray(input)) {
    rawDefs = input.filter((rawDef) => rawDef.daysOfWeek);
  } else if (typeof input === "object" && input) {
    rawDefs = [input];
  } else {
    rawDefs = [];
  }
  rawDefs = rawDefs.map((rawDef) => Object.assign(Object.assign({}, DEF_DEFAULTS), rawDef));
  return rawDefs;
}
function triggerDateSelect(selection, pev, context) {
  context.emitter.trigger("select", Object.assign(Object.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) {
  let props = {};
  for (let transform of context.pluginHooks.dateSpanTransforms) {
    Object.assign(props, transform(dateSpan, context));
  }
  Object.assign(props, buildDateSpanApi(dateSpan, context.dateEnv));
  return props;
}
function getDefaultEventEnd(allDay, marker, context) {
  let { dateEnv, options } = context;
  let end = marker;
  if (allDay) {
    end = startOfDay(end);
    end = dateEnv.add(end, options.defaultAllDayEventDuration);
  } else {
    end = dateEnv.add(end, options.defaultTimedEventDuration);
  }
  return end;
}
function applyMutationToEventStore(eventStore, eventConfigBase, mutation, context) {
  let eventConfigs = compileEventUis(eventStore.defs, eventConfigBase);
  let dest = createEmptyEventStore();
  for (let defId in eventStore.defs) {
    let def = eventStore.defs[defId];
    dest.defs[defId] = applyMutationToEventDef(def, eventConfigs[defId], mutation, context);
  }
  for (let instanceId in eventStore.instances) {
    let instance = eventStore.instances[instanceId];
    let def = dest.defs[instance.defId];
    dest.instances[instanceId] = applyMutationToEventInstance(instance, def, eventConfigs[instance.defId], mutation, context);
  }
  return dest;
}
function applyMutationToEventDef(eventDef, eventConfig, mutation, context) {
  let standardProps = mutation.standardProps || {};
  if (standardProps.hasEnd == null && eventConfig.durationEditable && (mutation.startDelta || mutation.endDelta)) {
    standardProps.hasEnd = true;
  }
  let copy = Object.assign(Object.assign(Object.assign({}, eventDef), standardProps), { ui: Object.assign(Object.assign({}, eventDef.ui), standardProps.ui) });
  if (mutation.extendedProps) {
    copy.extendedProps = Object.assign(Object.assign({}, copy.extendedProps), mutation.extendedProps);
  }
  for (let applier of context.pluginHooks.eventDefMutationAppliers) {
    applier(copy, mutation, context);
  }
  if (!copy.hasEnd && context.options.forceEventDuration) {
    copy.hasEnd = true;
  }
  return copy;
}
function applyMutationToEventInstance(eventInstance, eventDef, eventConfig, mutation, context) {
  let { dateEnv } = context;
  let forceAllDay = mutation.standardProps && mutation.standardProps.allDay === true;
  let clearEnd = mutation.standardProps && mutation.standardProps.hasEnd === false;
  let copy = Object.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)
    };
  }
  if (eventDef.allDay) {
    copy.range = {
      start: startOfDay(copy.range.start),
      end: startOfDay(copy.range.end)
    };
  }
  if (copy.range.end < copy.range.start) {
    copy.range.end = getDefaultEventEnd(eventDef.allDay, copy.range.start, context);
  }
  return copy;
}
var EventSourceImpl = class {
  constructor(context, internalEventSource) {
    this.context = context;
    this.internalEventSource = internalEventSource;
  }
  remove() {
    this.context.dispatch({
      type: "REMOVE_EVENT_SOURCE",
      sourceId: this.internalEventSource.sourceId
    });
  }
  refetch() {
    this.context.dispatch({
      type: "FETCH_EVENT_SOURCES",
      sourceIds: [this.internalEventSource.sourceId],
      isRefetch: true
    });
  }
  get id() {
    return this.internalEventSource.publicId;
  }
  get url() {
    return this.internalEventSource.meta.url;
  }
  get format() {
    return this.internalEventSource.meta.format;
  }
};
var EventImpl = class _EventImpl {
  // 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
  constructor(context, def, instance) {
    this._context = context;
    this._def = def;
    this._instance = instance || null;
  }
  /*
  TODO: make event struct more responsible for this
  */
  setProp(name, val) {
    if (name in EVENT_DATE_REFINERS) {
      console.warn("Could not set date-related prop 'name'. Use one of the date-related methods instead.");
    } 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: { [name]: val }
      });
    } else if (name in EVENT_UI_REFINERS) {
      let 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 = { [name]: val };
      }
      this.mutate({
        standardProps: { ui }
      });
    } else {
      console.warn(`Could not set prop '${name}'. Use setExtendedProp instead.`);
    }
  }
  setExtendedProp(name, val) {
    this.mutate({
      extendedProps: { [name]: val }
    });
  }
  setStart(startInput, options = {}) {
    let { dateEnv } = this._context;
    let start = dateEnv.createMarker(startInput);
    if (start && this._instance) {
      let instanceRange = this._instance.range;
      let startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity);
      if (options.maintainDuration) {
        this.mutate({ datesDelta: startDelta });
      } else {
        this.mutate({ startDelta });
      }
    }
  }
  setEnd(endInput, options = {}) {
    let { dateEnv } = this._context;
    let end;
    if (endInput != null) {
      end = dateEnv.createMarker(endInput);
      if (!end) {
        return;
      }
    }
    if (this._instance) {
      if (end) {
        let endDelta = diffDates(this._instance.range.end, end, dateEnv, options.granularity);
        this.mutate({ endDelta });
      } else {
        this.mutate({ standardProps: { hasEnd: false } });
      }
    }
  }
  setDates(startInput, endInput, options = {}) {
    let { dateEnv } = this._context;
    let standardProps = { allDay: options.allDay };
    let start = dateEnv.createMarker(startInput);
    let end;
    if (!start) {
      return;
    }
    if (endInput != null) {
      end = dateEnv.createMarker(endInput);
      if (!end) {
        return;
      }
    }
    if (this._instance) {
      let instanceRange = this._instance.range;
      if (options.allDay === true) {
        instanceRange = computeAlignedDayRange(instanceRange);
      }
      let startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity);
      if (end) {
        let endDelta = diffDates(instanceRange.end, end, dateEnv, options.granularity);
        if (durationsEqual(startDelta, endDelta)) {
          this.mutate({ datesDelta: startDelta, standardProps });
        } else {
          this.mutate({ startDelta, endDelta, standardProps });
        }
      } else {
        standardProps.hasEnd = false;
        this.mutate({ datesDelta: startDelta, standardProps });
      }
    }
  }
  moveStart(deltaInput) {
    let delta = createDuration(deltaInput);
    if (delta) {
      this.mutate({ startDelta: delta });
    }
  }
  moveEnd(deltaInput) {
    let delta = createDuration(deltaInput);
    if (delta) {
      this.mutate({ endDelta: delta });
    }
  }
  moveDates(deltaInput) {
    let delta = createDuration(deltaInput);
    if (delta) {
      this.mutate({ datesDelta: delta });
    }
  }
  setAllDay(allDay, options = {}) {
    let standardProps = { allDay };
    let { maintainDuration } = options;
    if (maintainDuration == null) {
      maintainDuration = this._context.options.allDayMaintainDuration;
    }
    if (this._def.allDay !== allDay) {
      standardProps.hasEnd = maintainDuration;
    }
    this.mutate({ standardProps });
  }
  formatRange(formatInput) {
    let { dateEnv } = this._context;
    let instance = this._instance;
    let 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
    });
  }
  mutate(mutation) {
    let instance = this._instance;
    if (instance) {
      let def = this._def;
      let context = this._context;
      let { eventStore } = context.getCurrentData();
      let relevantEvents = getRelevantEvents(eventStore, instance.instanceId);
      let eventConfigBase = {
        "": {
          display: "",
          startEditable: true,
          durationEditable: true,
          constraints: [],
          overlap: null,
          allows: [],
          backgroundColor: "",
          borderColor: "",
          textColor: "",
          classNames: []
        }
      };
      relevantEvents = applyMutationToEventStore(relevantEvents, eventConfigBase, mutation, context);
      let oldEvent = new _EventImpl(context, def, instance);
      this._def = relevantEvents.defs[def.defId];
      this._instance = relevantEvents.instances[instance.instanceId];
      context.dispatch({
        type: "MERGE_EVENTS",
        eventStore: relevantEvents
      });
      context.emitter.trigger("eventChange", {
        oldEvent,
        event: this,
        relatedEvents: buildEventApis(relevantEvents, context, instance),
        revert() {
          context.dispatch({
            type: "RESET_EVENTS",
            eventStore
            // the ORIGINAL store
          });
        }
      });
    }
  }
  remove() {
    let context = this._context;
    let asStore = eventApiToStore(this);
    context.dispatch({
      type: "REMOVE_EVENTS",
      eventStore: asStore
    });
    context.emitter.trigger("eventRemove", {
      event: this,
      relatedEvents: [],
      revert() {
        context.dispatch({
          type: "MERGE_EVENTS",
          eventStore: asStore
        });
      }
    });
  }
  get source() {
    let { sourceId } = this._def;
    if (sourceId) {
      return new EventSourceImpl(this._context, this._context.getCurrentData().eventSources[sourceId]);
    }
    return null;
  }
  get start() {
    return this._instance ? this._context.dateEnv.toDate(this._instance.range.start) : null;
  }
  get end() {
    return this._instance && this._def.hasEnd ? this._context.dateEnv.toDate(this._instance.range.end) : null;
  }
  get startStr() {
    let instance = this._instance;
    if (instance) {
      return this._context.dateEnv.formatIso(instance.range.start, {
        omitTime: this._def.allDay,
        forcedTzo: instance.forcedStartTzo
      });
    }
    return "";
  }
  get endStr() {
    let instance = this._instance;
    if (instance && this._def.hasEnd) {
      return this._context.dateEnv.formatIso(instance.range.end, {
        omitTime: this._def.allDay,
        forcedTzo: instance.forcedEndTzo
      });
    }
    return "";
  }
  // computable props that all access the def
  // TODO: find a TypeScript-compatible way to do this at scale
  get id() {
    return this._def.publicId;
  }
  get groupId() {
    return this._def.groupId;
  }
  get allDay() {
    return this._def.allDay;
  }
  get title() {
    return this._def.title;
  }
  get url() {
    return this._def.url;
  }
  get display() {
    return this._def.ui.display || "auto";
  }
  // bad. just normalize the type earlier
  get startEditable() {
    return this._def.ui.startEditable;
  }
  get durationEditable() {
    return this._def.ui.durationEditable;
  }
  get constraint() {
    return this._def.ui.constraints[0] || null;
  }
  get overlap() {
    return this._def.ui.overlap;
  }
  get allow() {
    return this._def.ui.allows[0] || null;
  }
  get backgroundColor() {
    return this._def.ui.backgroundColor;
  }
  get borderColor() {
    return this._def.ui.borderColor;
  }
  get textColor() {
    return this._def.ui.textColor;
  }
  // NOTE: user can't modify these because Object.freeze was called in event-def parsing
  get classNames() {
    return this._def.ui.classNames;
  }
  get extendedProps() {
    return this._def.extendedProps;
  }
  toPlainObject(settings = {}) {
    let def = this._def;
    let { ui } = def;
    let { startStr, endStr } = this;
    let res = {
      allDay: def.allDay
    };
    if (def.title) {
      res.title = def.title;
    }
    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;
    }
    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) {
        Object.assign(res, def.extendedProps);
      } else {
        res.extendedProps = def.extendedProps;
      }
    }
    return res;
  }
  toJSON() {
    return this.toPlainObject();
  }
};
function eventApiToStore(eventApi) {
  let def = eventApi._def;
  let instance = eventApi._instance;
  return {
    defs: { [def.defId]: def },
    instances: instance ? { [instance.instanceId]: instance } : {}
  };
}
function buildEventApis(eventStore, context, excludeInstance) {
  let { defs, instances } = eventStore;
  let eventApis = [];
  let excludeInstanceId = excludeInstance ? excludeInstance.instanceId : "";
  for (let id in instances) {
    let instance = instances[id];
    let def = defs[instance.defId];
    if (instance.instanceId !== excludeInstanceId) {
      eventApis.push(new EventImpl(context, def, instance));
    }
  }
  return eventApis;
}
function sliceEventStore(eventStore, eventUiBases, framingRange, nextDayThreshold) {
  let inverseBgByGroupId = {};
  let inverseBgByDefId = {};
  let defByGroupId = {};
  let bgRanges = [];
  let fgRanges = [];
  let eventUis = compileEventUis(eventStore.defs, eventUiBases);
  for (let defId in eventStore.defs) {
    let def = eventStore.defs[defId];
    let 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 (let instanceId in eventStore.instances) {
    let instance = eventStore.instances[instanceId];
    let def = eventStore.defs[instance.defId];
    let ui = eventUis[def.defId];
    let origRange = instance.range;
    let normalRange = !def.allDay && nextDayThreshold ? computeVisibleDayRange(origRange, nextDayThreshold) : origRange;
    let 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,
          ui,
          instance,
          range: slicedRange,
          isStart: normalRange.start && normalRange.start.valueOf() === slicedRange.start.valueOf(),
          isEnd: normalRange.end && normalRange.end.valueOf() === slicedRange.end.valueOf()
        });
      }
    }
  }
  for (let groupId in inverseBgByGroupId) {
    let ranges = inverseBgByGroupId[groupId];
    let invertedRanges = invertRanges(ranges, framingRange);
    for (let invertedRange of invertedRanges) {
      let def = defByGroupId[groupId];
      let ui = eventUis[def.defId];
      bgRanges.push({
        def,
        ui,
        instance: null,
        range: invertedRange,
        isStart: false,
        isEnd: false
      });
    }
  }
  for (let defId in inverseBgByDefId) {
    let ranges = inverseBgByDefId[defId];
    let invertedRanges = invertRanges(ranges, framingRange);
    for (let invertedRange of invertedRanges) {
      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;
}
function compileEventUis(eventDefs, eventUiBases) {
  return mapHash(eventDefs, (eventDef) => compileEventUi(eventDef, eventUiBases));
}
function compileEventUi(eventDef, eventUiBases) {
  let 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) {
  let objs = segs.map(buildSegCompareObj);
  objs.sort((obj0, obj1) => compareByFieldSpecs(obj0, obj1, eventOrderSpecs));
  return objs.map((c3) => c3._seg);
}
function buildSegCompareObj(seg) {
  let { eventRange } = seg;
  let eventDef = eventRange.def;
  let range = eventRange.instance ? eventRange.instance.range : eventRange.range;
  let start = range.start ? range.start.valueOf() : 0;
  let end = range.end ? range.end.valueOf() : 0;
  return Object.assign(Object.assign(Object.assign({}, eventDef.extendedProps), eventDef), {
    id: eventDef.publicId,
    start,
    end,
    duration: end - start,
    allDay: Number(eventDef.allDay),
    _seg: seg
  });
}
function computeSegDraggable(seg, context) {
  let { pluginHooks } = context;
  let transformers = pluginHooks.isDraggableTransformers;
  let { def, ui } = seg.eventRange;
  let val = ui.startEditable;
  for (let transformer of transformers) {
    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, defaultDisplayEventEnd, startOverride, endOverride) {
  let { dateEnv, options } = context;
  let { displayEventTime, displayEventEnd } = options;
  let eventDef = seg.eventRange.def;
  let eventInstance = seg.eventRange.instance;
  if (displayEventTime == null) {
    displayEventTime = defaultDisplayEventTime !== false;
  }
  if (displayEventEnd == null) {
    displayEventEnd = defaultDisplayEventEnd !== false;
  }
  let wholeEventStart = eventInstance.range.start;
  let wholeEventEnd = eventInstance.range.end;
  let segStart = startOverride || seg.start || seg.eventRange.range.start;
  let segEnd = endOverride || seg.end || seg.eventRange.range.end;
  let isStartDay = startOfDay(wholeEventStart).valueOf() === startOfDay(segStart).valueOf();
  let 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) {
  let 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) {
  let 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()}`;
}
function getSegAnchorAttrs(seg, context) {
  let { def, instance } = seg.eventRange;
  let { url } = def;
  if (url) {
    return { href: url };
  }
  let { emitter, options } = context;
  let { eventInteractive } = options;
  if (eventInteractive == null) {
    eventInteractive = def.interactive;
    if (eventInteractive == null) {
      eventInteractive = Boolean(emitter.hasHandlers("eventClick"));
    }
  }
  if (eventInteractive) {
    return createAriaKeyboardAttrs((ev) => {
      emitter.trigger("eventClick", {
        el: ev.target,
        event: new EventImpl(context, def, instance),
        jsEvent: ev,
        view: context.viewApi
      });
    });
  }
  return {};
}
var STANDARD_PROPS = {
  start: identity,
  end: identity,
  allDay: Boolean
};
function parseDateSpan(raw, dateEnv, defaultDuration) {
  let span = parseOpenDateSpan(raw, dateEnv);
  let { range } = span;
  if (!range.start) {
    return null;
  }
  if (!range.end) {
    if (defaultDuration == null) {
      return null;
    }
    range.end = dateEnv.add(range.start, defaultDuration);
  }
  return span;
}
function parseOpenDateSpan(raw, dateEnv) {
  let { refined: standardProps, extra } = refineProps(raw, STANDARD_PROPS);
  let startMeta = standardProps.start ? dateEnv.createMarkerMeta(standardProps.start) : null;
  let endMeta = standardProps.end ? dateEnv.createMarkerMeta(standardProps.end) : null;
  let { allDay } = standardProps;
  if (allDay == null) {
    allDay = startMeta && startMeta.isTimeUnspecified && (!endMeta || endMeta.isTimeUnspecified);
  }
  return Object.assign({ range: {
    start: startMeta ? startMeta.marker : null,
    end: endMeta ? endMeta.marker : null
  }, allDay }, extra);
}
function isDateSpansEqual(span0, span1) {
  return rangesEqual(span0.range, span1.range) && span0.allDay === span1.allDay && isSpanPropsEqual(span0, span1);
}
function isSpanPropsEqual(span0, span1) {
  for (let propName in span1) {
    if (propName !== "range" && propName !== "allDay") {
      if (span0[propName] !== span1[propName]) {
        return false;
      }
    }
  }
  for (let propName in span0) {
    if (!(propName in span1)) {
      return false;
    }
  }
  return true;
}
function buildDateSpanApi(span, dateEnv) {
  return Object.assign(Object.assign({}, buildRangeApi(span.range, dateEnv, span.allDay)), { allDay: span.allDay });
}
function buildRangeApiWithTimeZone(range, dateEnv, omitTime) {
  return Object.assign(Object.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 }),
    endStr: dateEnv.formatIso(range.end, { omitTime })
  };
}
function fabricateEventRange(dateSpan, eventUiBases, context) {
  let res = refineEventDef({ editable: false }, context);
  let def = parseEventDef(
    res.refined,
    res.extra,
    "",
    // sourceId
    dateSpan.allDay,
    true,
    // hasEnd
    context
  );
  return {
    def,
    ui: compileEventUi(def, eventUiBases),
    instance: createEventInstance(def.defId, dateSpan.range),
    range: dateSpan.range,
    isStart: true,
    isEnd: true
  };
}
function unpromisify(func, normalizedSuccessCallback, normalizedFailureCallback) {
  let isResolved = false;
  let wrappedSuccess = function(res2) {
    if (!isResolved) {
      isResolved = true;
      normalizedSuccessCallback(res2);
    }
  };
  let wrappedFailure = function(error) {
    if (!isResolved) {
      isResolved = true;
      normalizedFailureCallback(error);
    }
  };
  let res = func(wrappedSuccess, wrappedFailure);
  if (res && typeof res.then === "function") {
    res.then(wrappedSuccess, wrappedFailure);
  }
}
var JsonRequestError = class extends Error {
  constructor(message, response) {
    super(message);
    this.response = response;
  }
};
function requestJson(method, url, params) {
  method = method.toUpperCase();
  const fetchOptions = {
    method
  };
  if (method === "GET") {
    url += (url.indexOf("?") === -1 ? "?" : "&") + new URLSearchParams(params);
  } else {
    fetchOptions.body = new URLSearchParams(params);
    fetchOptions.headers = {
      "Content-Type": "application/x-www-form-urlencoded"
    };
  }
  return fetch(url, fetchOptions).then((fetchRes) => {
    if (fetchRes.ok) {
      return fetchRes.json().then((parsedResponse) => {
        return [parsedResponse, fetchRes];
      }, () => {
        throw new JsonRequestError("Failure parsing JSON", fetchRes);
      });
    } else {
      throw new JsonRequestError("Request failed", fetchRes);
    }
  });
}
var canVGrowWithinCell;
function getCanVGrowWithinCell() {
  if (canVGrowWithinCell == null) {
    canVGrowWithinCell = computeCanVGrowWithinCell();
  }
  return canVGrowWithinCell;
}
function computeCanVGrowWithinCell() {
  if (typeof document === "undefined") {
    return true;
  }
  let 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);
  let div = el.querySelector("div");
  let possible = div.offsetHeight > 0;
  document.body.removeChild(el);
  return possible;
}
var CalendarRoot = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.state = {
      forPrint: false
    };
    this.handleBeforePrint = () => {
      flushSync(() => {
        this.setState({ forPrint: true });
      });
    };
    this.handleAfterPrint = () => {
      flushSync(() => {
        this.setState({ forPrint: false });
      });
    };
  }
  render() {
    let { props } = this;
    let { options } = props;
    let { forPrint } = this.state;
    let isHeightAuto = forPrint || options.height === "auto" || options.contentHeight === "auto";
    let height = !isHeightAuto && options.height != null ? options.height : "";
    let 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);
  }
  componentDidMount() {
    let { emitter } = this.props;
    emitter.on("_beforeprint", this.handleBeforePrint);
    emitter.on("_afterprint", this.handleAfterPrint);
  }
  componentWillUnmount() {
    let { emitter } = this.props;
    emitter.off("_beforeprint", this.handleBeforePrint);
    emitter.off("_afterprint", this.handleAfterPrint);
  }
};
var Interaction = class {
  constructor(settings) {
    this.component = settings.component;
    this.isHitComboAllowed = settings.isHitComboAllowed || null;
  }
  destroy() {
  }
};
function parseInteractionSettings(component, input) {
  return {
    component,
    el: input.el,
    useEventCenter: input.useEventCenter != null ? input.useEventCenter : true,
    isHitComboAllowed: input.isHitComboAllowed || null
  };
}
function interactionSettingsToStore(settings) {
  return {
    [settings.component.uid]: settings
  };
}
var interactionSettingsStore = {};
var NowTimer = class extends x {
  constructor(props, context) {
    super(props, context);
    this.handleRefresh = () => {
      let timing = this.computeTiming();
      if (timing.state.nowDate.valueOf() !== this.state.nowDate.valueOf()) {
        this.setState(timing.state);
      }
      this.clearTimeout();
      this.setTimeout(timing.waitMs);
    };
    this.handleVisibilityChange = () => {
      if (!document.hidden) {
        this.handleRefresh();
      }
    };
    this.state = this.computeTiming().state;
  }
  render() {
    let { props, state } = this;
    return props.children(state.nowDate, state.todayRange);
  }
  componentDidMount() {
    this.setTimeout();
    this.context.nowManager.addResetListener(this.handleRefresh);
    document.addEventListener("visibilitychange", this.handleVisibilityChange);
  }
  componentDidUpdate(prevProps) {
    if (prevProps.unit !== this.props.unit) {
      this.clearTimeout();
      this.setTimeout();
    }
  }
  componentWillUnmount() {
    this.clearTimeout();
    this.context.nowManager.removeResetListener(this.handleRefresh);
    document.removeEventListener("visibilitychange", this.handleVisibilityChange);
  }
  computeTiming() {
    let { props, context } = this;
    let unroundedNow = context.nowManager.getDateMarker();
    let { nowIndicatorSnap } = context.options;
    if (nowIndicatorSnap === "auto") {
      nowIndicatorSnap = // large unit?
      /year|month|week|day/.test(props.unit) || // if slotDuration 30 mins for example, would NOT appear to snap (legacy behavior)
      (props.unitValue || 1) === 1;
    }
    let nowDate;
    let waitMs;
    if (nowIndicatorSnap) {
      nowDate = context.dateEnv.startOf(unroundedNow, props.unit);
      let nextUnitStart = context.dateEnv.add(nowDate, createDuration(1, props.unit));
      waitMs = nextUnitStart.valueOf() - unroundedNow.valueOf();
    } else {
      nowDate = unroundedNow;
      waitMs = 1e3 * 60;
    }
    waitMs = Math.min(1e3 * 60 * 60 * 24, waitMs);
    return {
      state: { nowDate, todayRange: buildDayRange(nowDate) },
      waitMs
    };
  }
  setTimeout(waitMs = this.computeTiming().waitMs) {
    this.timeoutId = setTimeout(() => {
      const timing = this.computeTiming();
      this.setState(timing.state, () => {
        this.setTimeout(timing.waitMs);
      });
    }, waitMs);
  }
  clearTimeout() {
    if (this.timeoutId) {
      clearTimeout(this.timeoutId);
    }
  }
};
NowTimer.contextType = ViewContextType;
function buildDayRange(date) {
  let start = startOfDay(date);
  let end = addDays(start, 1);
  return { start, end };
}
var CalendarImpl = class {
  getCurrentData() {
    return this.currentDataManager.getCurrentData();
  }
  dispatch(action) {
    this.currentDataManager.dispatch(action);
  }
  get view() {
    return this.getCurrentData().viewApi;
  }
  batchRendering(callback) {
    callback();
  }
  updateSize() {
    this.trigger("_resize", true);
  }
  // Options
  // -----------------------------------------------------------------------------------------------------------------
  setOption(name, val) {
    this.dispatch({
      type: "SET_OPTION",
      optionName: name,
      rawOptionValue: val
    });
  }
  getOption(name) {
    return this.currentDataManager.currentCalendarOptionsInput[name];
  }
  getAvailableLocaleCodes() {
    return Object.keys(this.getCurrentData().availableRawLocales);
  }
  // Trigger
  // -----------------------------------------------------------------------------------------------------------------
  on(handlerName, handler) {
    let { currentDataManager } = this;
    if (currentDataManager.currentCalendarOptionsRefiners[handlerName]) {
      currentDataManager.emitter.on(handlerName, handler);
    } else {
      console.warn(`Unknown listener name '${handlerName}'`);
    }
  }
  off(handlerName, handler) {
    this.currentDataManager.emitter.off(handlerName, handler);
  }
  // not meant for public use
  trigger(handlerName, ...args) {
    this.currentDataManager.emitter.trigger(handlerName, ...args);
  }
  // View
  // -----------------------------------------------------------------------------------------------------------------
  changeView(viewType, dateOrRange) {
    this.batchRendering(() => {
      this.unselect();
      if (dateOrRange) {
        if (dateOrRange.start && dateOrRange.end) {
          this.dispatch({
            type: "CHANGE_VIEW_TYPE",
            viewType
          });
          this.dispatch({
            type: "SET_OPTION",
            optionName: "visibleRange",
            rawOptionValue: dateOrRange
          });
        } else {
          let { dateEnv } = this.getCurrentData();
          this.dispatch({
            type: "CHANGE_VIEW_TYPE",
            viewType,
            dateMarker: dateEnv.createMarker(dateOrRange)
          });
        }
      } else {
        this.dispatch({
          type: "CHANGE_VIEW_TYPE",
          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
  zoomTo(dateMarker, viewType) {
    let state = this.getCurrentData();
    let spec;
    viewType = viewType || "day";
    spec = state.viewSpecs[viewType] || this.getUnitViewSpec(viewType);
    this.unselect();
    if (spec) {
      this.dispatch({
        type: "CHANGE_VIEW_TYPE",
        viewType: spec.type,
        dateMarker
      });
    } else {
      this.dispatch({
        type: "CHANGE_DATE",
        dateMarker
      });
    }
  }
  // Given a duration singular unit, like "week" or "day", finds a matching view spec.
  // Preference is given to views that have corresponding buttons.
  getUnitViewSpec(unit) {
    let { viewSpecs, toolbarConfig } = this.getCurrentData();
    let viewTypes = [].concat(toolbarConfig.header ? toolbarConfig.header.viewsWithButtons : [], toolbarConfig.footer ? toolbarConfig.footer.viewsWithButtons : []);
    let i3;
    let spec;
    for (let viewType in viewSpecs) {
      viewTypes.push(viewType);
    }
    for (i3 = 0; i3 < viewTypes.length; i3 += 1) {
      spec = viewSpecs[viewTypes[i3]];
      if (spec) {
        if (spec.singleUnit === unit) {
          return spec;
        }
      }
    }
    return null;
  }
  // Current Date
  // -----------------------------------------------------------------------------------------------------------------
  prev() {
    this.unselect();
    this.dispatch({ type: "PREV" });
  }
  next() {
    this.unselect();
    this.dispatch({ type: "NEXT" });
  }
  prevYear() {
    let state = this.getCurrentData();
    this.unselect();
    this.dispatch({
      type: "CHANGE_DATE",
      dateMarker: state.dateEnv.addYears(state.currentDate, -1)
    });
  }
  nextYear() {
    let state = this.getCurrentData();
    this.unselect();
    this.dispatch({
      type: "CHANGE_DATE",
      dateMarker: state.dateEnv.addYears(state.currentDate, 1)
    });
  }
  today() {
    let state = this.getCurrentData();
    this.unselect();
    this.dispatch({
      type: "CHANGE_DATE",
      dateMarker: state.nowManager.getDateMarker()
    });
  }
  gotoDate(zonedDateInput) {
    let state = this.getCurrentData();
    this.unselect();
    this.dispatch({
      type: "CHANGE_DATE",
      dateMarker: state.dateEnv.createMarker(zonedDateInput)
    });
  }
  incrementDate(deltaInput) {
    let state = this.getCurrentData();
    let delta = createDuration(deltaInput);
    if (delta) {
      this.unselect();
      this.dispatch({
        type: "CHANGE_DATE",
        dateMarker: state.dateEnv.add(state.currentDate, delta)
      });
    }
  }
  getDate() {
    let state = this.getCurrentData();
    return state.dateEnv.toDate(state.currentDate);
  }
  // Date Formatting Utils
  // -----------------------------------------------------------------------------------------------------------------
  formatDate(d2, formatter) {
    let { dateEnv } = this.getCurrentData();
    return dateEnv.format(dateEnv.createMarker(d2), createFormatter(formatter));
  }
  // `settings` is for formatter AND isEndExclusive
  formatRange(d0, d1, settings) {
    let { dateEnv } = this.getCurrentData();
    return dateEnv.formatRange(dateEnv.createMarker(d0), dateEnv.createMarker(d1), createFormatter(settings), settings);
  }
  formatIso(d2, omitTime) {
    let { dateEnv } = this.getCurrentData();
    return dateEnv.formatIso(dateEnv.createMarker(d2), { omitTime });
  }
  // Date Selection / Event Selection / DayClick
  // -----------------------------------------------------------------------------------------------------------------
  select(dateOrObj, endDate) {
    let selectionInput;
    if (endDate == null) {
      if (dateOrObj.start != null) {
        selectionInput = dateOrObj;
      } else {
        selectionInput = {
          start: dateOrObj,
          end: null
        };
      }
    } else {
      selectionInput = {
        start: dateOrObj,
        end: endDate
      };
    }
    let state = this.getCurrentData();
    let selection = parseDateSpan(selectionInput, state.dateEnv, createDuration({ days: 1 }));
    if (selection) {
      this.dispatch({ type: "SELECT_DATES", selection });
      triggerDateSelect(selection, null, state);
    }
  }
  unselect(pev) {
    let state = this.getCurrentData();
    if (state.dateSelection) {
      this.dispatch({ type: "UNSELECT_DATES" });
      triggerDateUnselect(pev, state);
    }
  }
  // Public Events API
  // -----------------------------------------------------------------------------------------------------------------
  addEvent(eventInput, sourceInput) {
    if (eventInput instanceof EventImpl) {
      let def = eventInput._def;
      let instance = eventInput._instance;
      let currentData = this.getCurrentData();
      if (!currentData.eventStore.defs[def.defId]) {
        this.dispatch({
          type: "ADD_EVENTS",
          eventStore: eventTupleToStore({ def, instance })
          // TODO: better util for two args?
        });
        this.triggerEventAdd(eventInput);
      }
      return eventInput;
    }
    let state = this.getCurrentData();
    let eventSource;
    if (sourceInput instanceof EventSourceImpl) {
      eventSource = sourceInput.internalEventSource;
    } else if (typeof sourceInput === "boolean") {
      if (sourceInput) {
        [eventSource] = hashValuesToArray(state.eventSources);
      }
    } else if (sourceInput != null) {
      let sourceApi = this.getEventSourceById(sourceInput);
      if (!sourceApi) {
        console.warn(`Could not find an event source with ID "${sourceInput}"`);
        return null;
      }
      eventSource = sourceApi.internalEventSource;
    }
    let tuple = parseEvent(eventInput, eventSource, state, false);
    if (tuple) {
      let newEventApi = new EventImpl(state, tuple.def, tuple.def.recurringDef ? null : tuple.instance);
      this.dispatch({
        type: "ADD_EVENTS",
        eventStore: eventTupleToStore(tuple)
      });
      this.triggerEventAdd(newEventApi);
      return newEventApi;
    }
    return null;
  }
  triggerEventAdd(eventApi) {
    let { emitter } = this.getCurrentData();
    emitter.trigger("eventAdd", {
      event: eventApi,
      relatedEvents: [],
      revert: () => {
        this.dispatch({
          type: "REMOVE_EVENTS",
          eventStore: eventApiToStore(eventApi)
        });
      }
    });
  }
  // TODO: optimize
  getEventById(id) {
    let state = this.getCurrentData();
    let { defs, instances } = state.eventStore;
    id = String(id);
    for (let defId in defs) {
      let def = defs[defId];
      if (def.publicId === id) {
        if (def.recurringDef) {
          return new EventImpl(state, def, null);
        }
        for (let instanceId in instances) {
          let instance = instances[instanceId];
          if (instance.defId === def.defId) {
            return new EventImpl(state, def, instance);
          }
        }
      }
    }
    return null;
  }
  getEvents() {
    let currentData = this.getCurrentData();
    return buildEventApis(currentData.eventStore, currentData);
  }
  removeAllEvents() {
    this.dispatch({ type: "REMOVE_ALL_EVENTS" });
  }
  // Public Event Sources API
  // -----------------------------------------------------------------------------------------------------------------
  getEventSources() {
    let state = this.getCurrentData();
    let sourceHash = state.eventSources;
    let sourceApis = [];
    for (let internalId in sourceHash) {
      sourceApis.push(new EventSourceImpl(state, sourceHash[internalId]));
    }
    return sourceApis;
  }
  getEventSourceById(id) {
    let state = this.getCurrentData();
    let sourceHash = state.eventSources;
    id = String(id);
    for (let sourceId in sourceHash) {
      if (sourceHash[sourceId].publicId === id) {
        return new EventSourceImpl(state, sourceHash[sourceId]);
      }
    }
    return null;
  }
  addEventSource(sourceInput) {
    let state = this.getCurrentData();
    if (sourceInput instanceof EventSourceImpl) {
      if (!state.eventSources[sourceInput.internalEventSource.sourceId]) {
        this.dispatch({
          type: "ADD_EVENT_SOURCES",
          sources: [sourceInput.internalEventSource]
        });
      }
      return sourceInput;
    }
    let eventSource = parseEventSource(sourceInput, state);
    if (eventSource) {
      this.dispatch({ type: "ADD_EVENT_SOURCES", sources: [eventSource] });
      return new EventSourceImpl(state, eventSource);
    }
    return null;
  }
  removeAllEventSources() {
    this.dispatch({ type: "REMOVE_ALL_EVENT_SOURCES" });
  }
  refetchEvents() {
    this.dispatch({ type: "FETCH_EVENT_SOURCES", isRefetch: true });
  }
  // Scroll
  // -----------------------------------------------------------------------------------------------------------------
  scrollToTime(timeInput) {
    let time = createDuration(timeInput);
    if (time) {
      this.trigger("_scrollRequest", { time });
    }
  }
};
function pointInsideRect(point, rect) {
  return point.left >= rect.left && point.left < rect.right && point.top >= rect.top && point.top < rect.bottom;
}
function intersectRects(rect1, rect2) {
  let 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 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)
  };
}
function getRectCenter(rect) {
  return {
    left: (rect.left + rect.right) / 2,
    top: (rect.top + rect.bottom) / 2
  };
}
function diffPoints(point1, point2) {
  return {
    left: point1.left - point2.left,
    top: point1.top - point2.top
  };
}
var EMPTY_EVENT_STORE = createEmptyEventStore();
var Splitter = class {
  constructor() {
    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 = {};
  }
  splitProps(props) {
    let keyInfos = this.getKeyInfo(props);
    let defKeys = this.getKeysForEventDefs(props.eventStore);
    let dateSelections = this.splitDateSelection(props.dateSelection);
    let individualUi = this.splitIndividualUi(props.eventUiBases, defKeys);
    let eventStores = this.splitEventStore(props.eventStore, defKeys);
    let eventDrags = this.splitEventDrag(props.eventDrag);
    let eventResizes = this.splitEventResize(props.eventResize);
    let splitProps = {};
    this.eventUiBuilders = mapHash(keyInfos, (info, key) => this.eventUiBuilders[key] || memoize(buildEventUiForKey));
    for (let key in keyInfos) {
      let keyInfo = keyInfos[key];
      let eventStore = eventStores[key] || EMPTY_EVENT_STORE;
      let buildEventUi = this.eventUiBuilders[key];
      splitProps[key] = {
        businessHours: keyInfo.businessHours || props.businessHours,
        dateSelection: dateSelections[key] || null,
        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;
  }
  _splitDateSpan(dateSpan) {
    let dateSpans = {};
    if (dateSpan) {
      let keys = this.getKeysForDateSpan(dateSpan);
      for (let key of keys) {
        dateSpans[key] = dateSpan;
      }
    }
    return dateSpans;
  }
  _getKeysForEventDefs(eventStore) {
    return mapHash(eventStore.defs, (eventDef) => this.getKeysForEventDef(eventDef));
  }
  _splitEventStore(eventStore, defKeys) {
    let { defs, instances } = eventStore;
    let splitStores = {};
    for (let defId in defs) {
      for (let key of defKeys[defId]) {
        if (!splitStores[key]) {
          splitStores[key] = createEmptyEventStore();
        }
        splitStores[key].defs[defId] = defs[defId];
      }
    }
    for (let instanceId in instances) {
      let instance = instances[instanceId];
      for (let key of defKeys[instance.defId]) {
        if (splitStores[key]) {
          splitStores[key].instances[instanceId] = instance;
        }
      }
    }
    return splitStores;
  }
  _splitIndividualUi(eventUiBases, defKeys) {
    let splitHashes = {};
    for (let defId in eventUiBases) {
      if (defId) {
        for (let key of defKeys[defId]) {
          if (!splitHashes[key]) {
            splitHashes[key] = {};
          }
          splitHashes[key][defId] = eventUiBases[defId];
        }
      }
    }
    return splitHashes;
  }
  _splitInteraction(interaction) {
    let splitStates = {};
    if (interaction) {
      let affectedStores = this._splitEventStore(interaction.affectedEvents, this._getKeysForEventDefs(interaction.affectedEvents));
      let mutatedKeysByDefId = this._getKeysForEventDefs(interaction.mutatedEvents);
      let mutatedStores = this._splitEventStore(interaction.mutatedEvents, mutatedKeysByDefId);
      let populate = (key) => {
        if (!splitStates[key]) {
          splitStates[key] = {
            affectedEvents: affectedStores[key] || EMPTY_EVENT_STORE,
            mutatedEvents: mutatedStores[key] || EMPTY_EVENT_STORE,
            isEvent: interaction.isEvent
          };
        }
      };
      for (let key in affectedStores) {
        populate(key);
      }
      for (let key in mutatedStores) {
        populate(key);
      }
    }
    return splitStates;
  }
};
function buildEventUiForKey(allUi, eventUiForKey, individualUi) {
  let baseParts = [];
  if (allUi) {
    baseParts.push(allUi);
  }
  if (eventUiForKey) {
    baseParts.push(eventUiForKey);
  }
  let stuff = {
    "": combineEventUis(baseParts)
  };
  if (individualUi) {
    Object.assign(stuff, individualUi);
  }
  return stuff;
}
function getDateMeta(date, todayRange, nowDate, dateProfile) {
  return {
    dow: date.getUTCDay(),
    isDisabled: Boolean(dateProfile && (!dateProfile.activeRange || !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) {
  let 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;
}
var DAY_FORMAT = createFormatter({ year: "numeric", month: "long", day: "numeric" });
var WEEK_FORMAT = createFormatter({ week: "long" });
function buildNavLinkAttrs(context, dateMarker, viewType = "day", isTabbable = true) {
  const { dateEnv, options, calendarApi } = context;
  let dateStr = dateEnv.format(dateMarker, viewType === "week" ? WEEK_FORMAT : DAY_FORMAT);
  if (options.navLinks) {
    let zonedDate = dateEnv.toDate(dateMarker);
    const handleInteraction = (ev) => {
      let 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 Object.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() {
  let outerEl = document.createElement("div");
  applyStyle(outerEl, {
    position: "absolute",
    top: -1e3,
    left: 0,
    border: 0,
    padding: 0,
    overflow: "scroll",
    direction: "rtl"
  });
  outerEl.innerHTML = "<div></div>";
  document.body.appendChild(outerEl);
  let innerEl = outerEl.firstChild;
  let res = innerEl.getBoundingClientRect().left > outerEl.getBoundingClientRect().left;
  removeElement(outerEl);
  return res;
}
var _scrollbarWidths;
function getScrollbarWidths() {
  if (!_scrollbarWidths) {
    _scrollbarWidths = computeScrollbarWidths();
  }
  return _scrollbarWidths;
}
function computeScrollbarWidths() {
  let el = document.createElement("div");
  el.style.overflow = "scroll";
  el.style.position = "absolute";
  el.style.top = "-9999px";
  el.style.left = "-9999px";
  document.body.appendChild(el);
  let res = computeScrollbarWidthsForEl(el);
  document.body.removeChild(el);
  return res;
}
function computeScrollbarWidthsForEl(el) {
  return {
    x: el.offsetHeight - el.clientHeight,
    y: el.offsetWidth - el.clientWidth
  };
}
function computeEdges(el, getPadding = false) {
  let computedStyle = window.getComputedStyle(el);
  let borderLeft = parseInt(computedStyle.borderLeftWidth, 10) || 0;
  let borderRight = parseInt(computedStyle.borderRightWidth, 10) || 0;
  let borderTop = parseInt(computedStyle.borderTopWidth, 10) || 0;
  let borderBottom = parseInt(computedStyle.borderBottomWidth, 10) || 0;
  let badScrollbarWidths = computeScrollbarWidthsForEl(el);
  let scrollbarLeftRight = badScrollbarWidths.y - borderLeft - borderRight;
  let scrollbarBottom = badScrollbarWidths.x - borderTop - borderBottom;
  let res = {
    borderLeft,
    borderRight,
    borderTop,
    borderBottom,
    scrollbarBottom,
    scrollbarLeft: 0,
    scrollbarRight: 0
  };
  if (getIsRtlScrollbarOnLeft() && computedStyle.direction === "rtl") {
    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 = false, doFromWindowViewport) {
  let outerRect = doFromWindowViewport ? el.getBoundingClientRect() : computeRect(el);
  let edges = computeEdges(el, goWithinPadding);
  let 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) {
  let rect = el.getBoundingClientRect();
  return {
    left: rect.left + window.scrollX,
    top: rect.top + window.scrollY,
    right: rect.right + window.scrollX,
    bottom: rect.bottom + window.scrollY
  };
}
function computeClippedClientRect(el) {
  let clippingParents = getClippingParents(el);
  let rect = el.getBoundingClientRect();
  for (let clippingParent of clippingParents) {
    let intersection = intersectRects(rect, clippingParent.getBoundingClientRect());
    if (intersection) {
      rect = intersection;
    } else {
      return null;
    }
  }
  return rect;
}
function getClippingParents(el) {
  let parents = [];
  while (el instanceof HTMLElement) {
    let 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;
}
var PositionCache = class {
  constructor(originEl, els, isHorizontal, isVertical) {
    this.els = els;
    let originClientRect = this.originClientRect = originEl.getBoundingClientRect();
    if (isHorizontal) {
      this.buildElHorizontals(originClientRect.left);
    }
    if (isVertical) {
      this.buildElVerticals(originClientRect.top);
    }
  }
  // Populates the left/right internal coordinate arrays
  buildElHorizontals(originClientLeft) {
    let lefts = [];
    let rights = [];
    for (let el of this.els) {
      let 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
  buildElVerticals(originClientTop) {
    let tops = [];
    let bottoms = [];
    for (let el of this.els) {
      let 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.
  leftToIndex(leftPosition) {
    let { lefts, rights } = this;
    let len = lefts.length;
    let i3;
    for (i3 = 0; i3 < len; i3 += 1) {
      if (leftPosition >= lefts[i3] && leftPosition < rights[i3]) {
        return i3;
      }
    }
    return void 0;
  }
  // Given a top offset (from document top), returns the index of the el that it vertically intersects.
  // If no intersection is made, returns undefined.
  topToIndex(topPosition) {
    let { tops, bottoms } = this;
    let len = tops.length;
    let i3;
    for (i3 = 0; i3 < len; i3 += 1) {
      if (topPosition >= tops[i3] && topPosition < bottoms[i3]) {
        return i3;
      }
    }
    return void 0;
  }
  // Gets the width of the element at the given index
  getWidth(leftIndex) {
    return this.rights[leftIndex] - this.lefts[leftIndex];
  }
  // Gets the height of the element at the given index
  getHeight(topIndex) {
    return this.bottoms[topIndex] - this.tops[topIndex];
  }
  similarTo(otherCache) {
    return similarNumArrays(this.tops || [], otherCache.tops || []) && similarNumArrays(this.bottoms || [], otherCache.bottoms || []) && similarNumArrays(this.lefts || [], otherCache.lefts || []) && similarNumArrays(this.rights || [], otherCache.rights || []);
  }
};
function similarNumArrays(a3, b3) {
  const len = a3.length;
  if (len !== b3.length) {
    return false;
  }
  for (let i3 = 0; i3 < len; i3++) {
    if (Math.round(a3[i3]) !== Math.round(b3[i3])) {
      return false;
    }
  }
  return true;
}
var ScrollController = class {
  getMaxScrollTop() {
    return this.getScrollHeight() - this.getClientHeight();
  }
  getMaxScrollLeft() {
    return this.getScrollWidth() - this.getClientWidth();
  }
  canScrollVertically() {
    return this.getMaxScrollTop() > 0;
  }
  canScrollHorizontally() {
    return this.getMaxScrollLeft() > 0;
  }
  canScrollUp() {
    return this.getScrollTop() > 0;
  }
  canScrollDown() {
    return this.getScrollTop() < this.getMaxScrollTop();
  }
  canScrollLeft() {
    return this.getScrollLeft() > 0;
  }
  canScrollRight() {
    return this.getScrollLeft() < this.getMaxScrollLeft();
  }
};
var ElementScrollController = class extends ScrollController {
  constructor(el) {
    super();
    this.el = el;
  }
  getScrollTop() {
    return this.el.scrollTop;
  }
  getScrollLeft() {
    return this.el.scrollLeft;
  }
  setScrollTop(top) {
    this.el.scrollTop = top;
  }
  setScrollLeft(left) {
    this.el.scrollLeft = left;
  }
  getScrollWidth() {
    return this.el.scrollWidth;
  }
  getScrollHeight() {
    return this.el.scrollHeight;
  }
  getClientHeight() {
    return this.el.clientHeight;
  }
  getClientWidth() {
    return this.el.clientWidth;
  }
};
var WindowScrollController = class extends ScrollController {
  getScrollTop() {
    return window.scrollY;
  }
  getScrollLeft() {
    return window.scrollX;
  }
  setScrollTop(n2) {
    window.scroll(window.scrollX, n2);
  }
  setScrollLeft(n2) {
    window.scroll(n2, window.scrollY);
  }
  getScrollWidth() {
    return document.documentElement.scrollWidth;
  }
  getScrollHeight() {
    return document.documentElement.scrollHeight;
  }
  getClientHeight() {
    return document.documentElement.clientHeight;
  }
  getClientWidth() {
    return document.documentElement.clientWidth;
  }
};
var DateComponent = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.uid = guid();
  }
  // Hit System
  // -----------------------------------------------------------------------------------------------------------------
  prepareHits() {
  }
  queryHit(positionLeft, positionTop, elWidth, elHeight) {
    return null;
  }
  // Pointer Interaction Utils
  // -----------------------------------------------------------------------------------------------------------------
  isValidSegDownEl(el) {
    return !this.props.eventDrag && // HACK
    !this.props.eventResize && // HACK
    !elementClosest(el, ".fc-event-mirror");
  }
  isValidDateDownEl(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");
  }
};
var SegHierarchy = class {
  constructor(getEntryThickness = (entry) => {
    return entry.thickness || 1;
  }) {
    this.getEntryThickness = getEntryThickness;
    this.strictOrder = false;
    this.allowReslicing = false;
    this.maxCoord = -1;
    this.maxStackCnt = -1;
    this.levelCoords = [];
    this.entriesByLevel = [];
    this.stackCnts = {};
  }
  addSegs(inputs) {
    let hiddenEntries = [];
    for (let input of inputs) {
      this.insertEntry(input, hiddenEntries);
    }
    return hiddenEntries;
  }
  insertEntry(entry, hiddenEntries) {
    let insertion = this.findInsertion(entry);
    if (this.isInsertionValid(insertion, entry)) {
      this.insertEntryAt(entry, insertion);
    } else {
      this.handleInvalidInsertion(insertion, entry, hiddenEntries);
    }
  }
  isInsertionValid(insertion, entry) {
    return (this.maxCoord === -1 || insertion.levelCoord + this.getEntryThickness(entry) <= this.maxCoord) && (this.maxStackCnt === -1 || insertion.stackCnt < this.maxStackCnt);
  }
  handleInvalidInsertion(insertion, entry, hiddenEntries) {
    if (this.allowReslicing && insertion.touchingEntry) {
      const hiddenEntry = Object.assign(Object.assign({}, entry), { span: intersectSpans(entry.span, insertion.touchingEntry.span) });
      hiddenEntries.push(hiddenEntry);
      this.splitEntry(entry, insertion.touchingEntry, hiddenEntries);
    } else {
      hiddenEntries.push(entry);
    }
  }
  /*
  Does NOT add what hit the `barrier` into hiddenEntries. Should already be done.
  */
  splitEntry(entry, barrier, hiddenEntries) {
    let entrySpan = entry.span;
    let barrierSpan = barrier.span;
    if (entrySpan.start < barrierSpan.start) {
      this.insertEntry({
        index: entry.index,
        thickness: entry.thickness,
        span: { start: entrySpan.start, end: barrierSpan.start }
      }, hiddenEntries);
    }
    if (entrySpan.end > barrierSpan.end) {
      this.insertEntry({
        index: entry.index,
        thickness: entry.thickness,
        span: { start: barrierSpan.end, end: entrySpan.end }
      }, hiddenEntries);
    }
  }
  insertEntryAt(entry, insertion) {
    let { entriesByLevel, levelCoords } = this;
    if (insertion.lateral === -1) {
      insertAt(levelCoords, insertion.level, insertion.levelCoord);
      insertAt(entriesByLevel, insertion.level, [entry]);
    } else {
      insertAt(entriesByLevel[insertion.level], insertion.lateral, entry);
    }
    this.stackCnts[buildEntryKey(entry)] = insertion.stackCnt;
  }
  /*
  does not care about limits
  */
  findInsertion(newEntry) {
    let { levelCoords, entriesByLevel, strictOrder, stackCnts } = this;
    let levelCnt = levelCoords.length;
    let candidateCoord = 0;
    let touchingLevel = -1;
    let touchingLateral = -1;
    let touchingEntry = null;
    let stackCnt = 0;
    for (let trackingLevel = 0; trackingLevel < levelCnt; trackingLevel += 1) {
      const trackingCoord = levelCoords[trackingLevel];
      if (!strictOrder && trackingCoord >= candidateCoord + this.getEntryThickness(newEntry)) {
        break;
      }
      let trackingEntries = entriesByLevel[trackingLevel];
      let trackingEntry;
      let searchRes = binarySearch(trackingEntries, newEntry.span.start, getEntrySpanEnd);
      let lateralIndex = searchRes[0] + searchRes[1];
      while (
        // loop through entries that horizontally intersect
        (trackingEntry = trackingEntries[lateralIndex]) && // but not past the whole entry list
        trackingEntry.span.start < newEntry.span.end
      ) {
        let trackingEntryBottom = trackingCoord + this.getEntryThickness(trackingEntry);
        if (trackingEntryBottom > candidateCoord) {
          candidateCoord = trackingEntryBottom;
          touchingEntry = trackingEntry;
          touchingLevel = trackingLevel;
          touchingLateral = lateralIndex;
        }
        if (trackingEntryBottom === candidateCoord) {
          stackCnt = Math.max(stackCnt, stackCnts[buildEntryKey(trackingEntry)] + 1);
        }
        lateralIndex += 1;
      }
    }
    let destLevel = 0;
    if (touchingEntry) {
      destLevel = touchingLevel + 1;
      while (destLevel < levelCnt && levelCoords[destLevel] < candidateCoord) {
        destLevel += 1;
      }
    }
    let destLateral = -1;
    if (destLevel < levelCnt && levelCoords[destLevel] === candidateCoord) {
      destLateral = binarySearch(entriesByLevel[destLevel], newEntry.span.end, getEntrySpanEnd)[0];
    }
    return {
      touchingLevel,
      touchingLateral,
      touchingEntry,
      stackCnt,
      levelCoord: candidateCoord,
      level: destLevel,
      lateral: destLateral
    };
  }
  // sorted by levelCoord (lowest to highest)
  toRects() {
    let { entriesByLevel, levelCoords } = this;
    let levelCnt = entriesByLevel.length;
    let rects = [];
    for (let level = 0; level < levelCnt; level += 1) {
      let entries = entriesByLevel[level];
      let levelCoord = levelCoords[level];
      for (let entry of entries) {
        rects.push(Object.assign(Object.assign({}, entry), { thickness: this.getEntryThickness(entry), levelCoord }));
      }
    }
    return rects;
  }
};
function getEntrySpanEnd(entry) {
  return entry.span.end;
}
function buildEntryKey(entry) {
  return entry.index + ":" + entry.span.start;
}
function groupIntersectingEntries(entries) {
  let merges = [];
  for (let entry of entries) {
    let filteredMerges = [];
    let hungryMerge = {
      span: entry.span,
      entries: [entry]
    };
    for (let merge of merges) {
      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) {
  let start = Math.max(span0.start, span1.start);
  let end = Math.min(span0.end, span1.end);
  if (start < end) {
    return { start, end };
  }
  return null;
}
function insertAt(arr, index, item) {
  arr.splice(index, 0, item);
}
function binarySearch(a3, searchVal, getItemVal) {
  let startIndex = 0;
  let endIndex = a3.length;
  if (!endIndex || searchVal < getItemVal(a3[startIndex])) {
    return [0, 0];
  }
  if (searchVal > getItemVal(a3[endIndex - 1])) {
    return [endIndex, 0];
  }
  while (startIndex < endIndex) {
    let middleIndex = Math.floor(startIndex + (endIndex - startIndex) / 2);
    let middleVal = getItemVal(a3[middleIndex]);
    if (searchVal < middleVal) {
      endIndex = middleIndex;
    } else if (searchVal > middleVal) {
      startIndex = middleIndex + 1;
    } else {
      return [middleIndex, 1];
    }
  }
  return [startIndex, 0];
}
var ElementDragging = class {
  constructor(el, selector) {
    this.emitter = new Emitter();
  }
  destroy() {
  }
  setMirrorIsVisible(bool) {
  }
  setMirrorNeedsRevert(bool) {
  }
  setAutoScrollEnabled(bool) {
  }
};
var config = {};
var DRAG_META_REFINERS = {
  startTime: createDuration,
  duration: createDuration,
  create: Boolean,
  sourceId: String
};
function parseDragMeta(raw) {
  let { refined, extra } = refineProps(raw, DRAG_META_REFINERS);
  return {
    startTime: refined.startTime || null,
    duration: refined.duration || null,
    create: refined.create != null ? refined.create : true,
    sourceId: refined.sourceId,
    leftoverProps: extra
  };
}
function computeFallbackHeaderFormat(datesRepDistinctDays, dayCnt) {
  if (!datesRepDistinctDays || dayCnt > 10) {
    return createFormatter({ weekday: "short" });
  }
  if (dayCnt > 1) {
    return createFormatter({ weekday: "short", month: "numeric", day: "numeric", omitCommas: true });
  }
  return createFormatter({ weekday: "long" });
}
var CLASS_NAME = "fc-col-header-cell";
function renderInner$1(renderProps) {
  return renderProps.text;
}
var TableDateCell = class extends BaseComponent {
  render() {
    let { dateEnv, options, theme, viewApi } = this.context;
    let { props } = this;
    let { date, dateProfile } = props;
    let dayMeta = getDateMeta(date, props.todayRange, null, dateProfile);
    let classNames = [CLASS_NAME].concat(getDayClassNames(dayMeta, theme));
    let text = dateEnv.format(date, props.dayHeaderFormat);
    let navLinkAttrs = !dayMeta.isDisabled && props.colCnt > 1 ? buildNavLinkAttrs(this.context, date) : {};
    let publicDate = dateEnv.toDate(date);
    if (dateEnv.namedTimeZoneImpl) {
      publicDate = addMs(publicDate, 36e5);
    }
    let renderProps = Object.assign(Object.assign(Object.assign({ date: publicDate, view: viewApi }, props.extraRenderProps), { text }), dayMeta);
    return y(ContentContainer, { elTag: "th", elClasses: classNames, elAttrs: Object.assign({ role: "columnheader", colSpan: props.colSpan, "data-date": !dayMeta.isDisabled ? formatDayString(date) : void 0 }, props.extraDataAttrs), renderProps, generatorName: "dayHeaderContent", customGenerator: options.dayHeaderContent, defaultGenerator: renderInner$1, classNameGenerator: options.dayHeaderClassNames, didMount: options.dayHeaderDidMount, willUnmount: options.dayHeaderWillUnmount }, (InnerContainer) => y("div", { className: "fc-scrollgrid-sync-inner" }, !dayMeta.isDisabled && y(InnerContainer, { elTag: "a", elAttrs: navLinkAttrs, elClasses: [
      "fc-col-header-cell-cushion",
      props.isSticky && "fc-sticky"
    ] })));
  }
};
var WEEKDAY_FORMAT = createFormatter({ weekday: "long" });
var TableDowCell = class extends BaseComponent {
  render() {
    let { props } = this;
    let { dateEnv, theme, viewApi, options } = this.context;
    let date = addDays(/* @__PURE__ */ new Date(2592e5), props.dow);
    let dateMeta = {
      dow: props.dow,
      isDisabled: false,
      isFuture: false,
      isPast: false,
      isToday: false,
      isOther: false
    };
    let text = dateEnv.format(date, props.dayHeaderFormat);
    let renderProps = Object.assign(Object.assign(Object.assign(Object.assign({
      // TODO: make this public?
      date
    }, dateMeta), { view: viewApi }), props.extraRenderProps), { text });
    return y(ContentContainer, { elTag: "th", elClasses: [
      CLASS_NAME,
      ...getDayClassNames(dateMeta, theme),
      ...props.extraClassNames || []
    ], elAttrs: Object.assign({ role: "columnheader", colSpan: props.colSpan }, props.extraDataAttrs), renderProps, generatorName: "dayHeaderContent", customGenerator: options.dayHeaderContent, defaultGenerator: renderInner$1, classNameGenerator: options.dayHeaderClassNames, didMount: options.dayHeaderDidMount, willUnmount: options.dayHeaderWillUnmount }, (InnerContent) => y(
      "div",
      { className: "fc-scrollgrid-sync-inner" },
      y(InnerContent, { elTag: "a", elClasses: [
        "fc-col-header-cell-cushion",
        props.isSticky && "fc-sticky"
      ], elAttrs: {
        "aria-label": dateEnv.format(date, WEEKDAY_FORMAT)
      } })
    ));
  }
};
var DayHeader = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.createDayHeaderFormatter = memoize(createDayHeaderFormatter);
  }
  render() {
    let { context } = this;
    let { dates, dateProfile, datesRepDistinctDays, renderIntro } = this.props;
    let dayHeaderFormat = this.createDayHeaderFormatter(context.options.dayHeaderFormat, datesRepDistinctDays, dates.length);
    return y(NowTimer, { unit: "day" }, (nowDate, todayRange) => y(
      "tr",
      { role: "row" },
      renderIntro && renderIntro("day"),
      dates.map((date) => datesRepDistinctDays ? y(TableDateCell, { key: date.toISOString(), date, dateProfile, todayRange, colCnt: dates.length, dayHeaderFormat }) : y(TableDowCell, { key: date.getUTCDay(), dow: date.getUTCDay(), dayHeaderFormat }))
    ));
  }
};
function createDayHeaderFormatter(explicitFormat, datesRepDistinctDays, dateCnt) {
  return explicitFormat || computeFallbackHeaderFormat(datesRepDistinctDays, dateCnt);
}
var DaySeriesModel = class {
  constructor(range, dateProfileGenerator) {
    let date = range.start;
    let { end } = range;
    let indices = [];
    let dates = [];
    let dayIndex = -1;
    while (date < end) {
      if (dateProfileGenerator.isHiddenDay(date)) {
        indices.push(dayIndex + 0.5);
      } else {
        dayIndex += 1;
        indices.push(dayIndex);
        dates.push(date);
      }
      date = addDays(date, 1);
    }
    this.dates = dates;
    this.indices = indices;
    this.cnt = dates.length;
  }
  sliceRange(range) {
    let firstIndex = this.getDateDayIndex(range.start);
    let lastIndex = this.getDateDayIndex(addDays(range.end, -1));
    let clippedFirstIndex = Math.max(0, firstIndex);
    let clippedLastIndex = Math.min(this.cnt - 1, lastIndex);
    clippedFirstIndex = Math.ceil(clippedFirstIndex);
    clippedLastIndex = Math.floor(clippedLastIndex);
    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.
  getDateDayIndex(date) {
    let { indices } = this;
    let 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];
  }
};
var DayTableModel = class {
  constructor(daySeries, breakOnWeeks) {
    let { dates } = daySeries;
    let daysPerRow;
    let firstDay;
    let rowCnt;
    if (breakOnWeeks) {
      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();
  }
  buildCells() {
    let rows = [];
    for (let row = 0; row < this.rowCnt; row += 1) {
      let cells = [];
      for (let col = 0; col < this.colCnt; col += 1) {
        cells.push(this.buildCell(row, col));
      }
      rows.push(cells);
    }
    return rows;
  }
  buildCell(row, col) {
    let date = this.daySeries.dates[row * this.colCnt + col];
    return {
      key: date.toISOString(),
      date
    };
  }
  buildHeaderDates() {
    let dates = [];
    for (let col = 0; col < this.colCnt; col += 1) {
      dates.push(this.cells[0][col].date);
    }
    return dates;
  }
  sliceRange(range) {
    let { colCnt } = this;
    let seriesSeg = this.daySeries.sliceRange(range);
    let segs = [];
    if (seriesSeg) {
      let { firstIndex, lastIndex } = seriesSeg;
      let index = firstIndex;
      while (index <= lastIndex) {
        let row = Math.floor(index / colCnt);
        let nextIndex = Math.min((row + 1) * colCnt, lastIndex + 1);
        segs.push({
          row,
          firstCol: index % colCnt,
          lastCol: (nextIndex - 1) % colCnt,
          isStart: seriesSeg.isStart && index === firstIndex,
          isEnd: seriesSeg.isEnd && nextIndex - 1 === lastIndex
        });
        index = nextIndex;
      }
    }
    return segs;
  }
};
var Slicer = class {
  constructor() {
    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;
  }
  sliceProps(props, dateProfile, nextDayThreshold, context, ...extraArgs) {
    let { eventUiBases } = props;
    let eventSegs = this.sliceEventStore(props.eventStore, eventUiBases, dateProfile, nextDayThreshold, ...extraArgs);
    return {
      dateSelectionSegs: this.sliceDateSelection(props.dateSelection, dateProfile, nextDayThreshold, eventUiBases, context, ...extraArgs),
      businessHourSegs: this.sliceBusinessHours(props.businessHours, dateProfile, nextDayThreshold, context, ...extraArgs),
      fgEventSegs: eventSegs.fg,
      bgEventSegs: eventSegs.bg,
      eventDrag: this.sliceEventDrag(props.eventDrag, eventUiBases, dateProfile, nextDayThreshold, ...extraArgs),
      eventResize: this.sliceEventResize(props.eventResize, eventUiBases, dateProfile, nextDayThreshold, ...extraArgs),
      eventSelection: props.eventSelection
    };
  }
  sliceNowDate(date, dateProfile, nextDayThreshold, context, ...extraArgs) {
    return this._sliceDateSpan(
      { range: { start: date, end: addMs(date, 1) }, allDay: false },
      // add 1 ms, protect against null range
      dateProfile,
      nextDayThreshold,
      {},
      context,
      ...extraArgs
    );
  }
  _sliceBusinessHours(businessHours, dateProfile, nextDayThreshold, context, ...extraArgs) {
    if (!businessHours) {
      return [];
    }
    return this._sliceEventStore(expandRecurring(businessHours, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), context), {}, dateProfile, nextDayThreshold, ...extraArgs).bg;
  }
  _sliceEventStore(eventStore, eventUiBases, dateProfile, nextDayThreshold, ...extraArgs) {
    if (eventStore) {
      let 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: [] };
  }
  _sliceInteraction(interaction, eventUiBases, dateProfile, nextDayThreshold, ...extraArgs) {
    if (!interaction) {
      return null;
    }
    let rangeRes = sliceEventStore(interaction.mutatedEvents, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold);
    return {
      segs: this.sliceEventRanges(rangeRes.fg, extraArgs),
      affectedInstances: interaction.affectedEvents.instances,
      isEvent: interaction.isEvent
    };
  }
  _sliceDateSpan(dateSpan, dateProfile, nextDayThreshold, eventUiBases, context, ...extraArgs) {
    if (!dateSpan) {
      return [];
    }
    let activeRange = computeActiveRange(dateProfile, Boolean(nextDayThreshold));
    let activeDateSpanRange = intersectRanges(dateSpan.range, activeRange);
    if (activeDateSpanRange) {
      dateSpan = Object.assign(Object.assign({}, dateSpan), { range: activeDateSpanRange });
      let eventRange = fabricateEventRange(dateSpan, eventUiBases, context);
      let segs = this.sliceRange(dateSpan.range, ...extraArgs);
      for (let seg of segs) {
        seg.eventRange = eventRange;
      }
      return segs;
    }
    return [];
  }
  /*
  "complete" seg means it has component and eventRange
  */
  sliceEventRanges(eventRanges, extraArgs) {
    let segs = [];
    for (let eventRange of eventRanges) {
      segs.push(...this.sliceEventRange(eventRange, extraArgs));
    }
    return segs;
  }
  /*
  "complete" seg means it has component and eventRange
  */
  sliceEventRange(eventRange, extraArgs) {
    let dateRange = eventRange.range;
    if (this.forceDayIfListItem && eventRange.ui.display === "list-item") {
      dateRange = {
        start: dateRange.start,
        end: addDays(dateRange.start, 1)
      };
    }
    let segs = this.sliceRange(dateRange, ...extraArgs);
    for (let seg of segs) {
      seg.eventRange = eventRange;
      seg.isStart = eventRange.isStart && seg.isStart;
      seg.isEnd = eventRange.isEnd && seg.isEnd;
    }
    return segs;
  }
};
function computeActiveRange(dateProfile, isComponentAllDay) {
  let 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
  };
}
function isInteractionValid(interaction, dateProfile, context) {
  let { instances } = interaction.mutatedEvents;
  for (let instanceId in instances) {
    if (!rangeContainsRange(dateProfile.validRange, instances[instanceId].range)) {
      return false;
    }
  }
  return isNewPropsValid({ eventDrag: interaction }, context);
}
function isDateSelectionValid(dateSelection, dateProfile, context) {
  if (!rangeContainsRange(dateProfile.validRange, dateSelection.range)) {
    return false;
  }
  return isNewPropsValid({ dateSelection }, context);
}
function isNewPropsValid(newProps, context) {
  let calendarState = context.getCurrentData();
  let props = Object.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 (state.eventDrag && !isInteractionPropsValid(state, context, dateSpanMeta, filterConfig)) {
    return false;
  }
  if (state.dateSelection && !isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig)) {
    return false;
  }
  return true;
}
function isInteractionPropsValid(state, context, dateSpanMeta, filterConfig) {
  let currentState = context.getCurrentData();
  let interaction = state.eventDrag;
  let subjectEventStore = interaction.mutatedEvents;
  let subjectDefs = subjectEventStore.defs;
  let subjectInstances = subjectEventStore.instances;
  let subjectConfigs = compileEventUis(subjectDefs, interaction.isEvent ? state.eventUiBases : { "": currentState.selectionConfig });
  if (filterConfig) {
    subjectConfigs = mapHash(subjectConfigs, filterConfig);
  }
  let otherEventStore = excludeInstances(state.eventStore, interaction.affectedEvents.instances);
  let otherDefs = otherEventStore.defs;
  let otherInstances = otherEventStore.instances;
  let otherConfigs = compileEventUis(otherDefs, state.eventUiBases);
  for (let subjectInstanceId in subjectInstances) {
    let subjectInstance = subjectInstances[subjectInstanceId];
    let subjectRange = subjectInstance.range;
    let subjectConfig = subjectConfigs[subjectInstance.defId];
    let subjectDef = subjectDefs[subjectInstance.defId];
    if (!allConstraintsPass(subjectConfig.constraints, subjectRange, otherEventStore, state.businessHours, context)) {
      return false;
    }
    let { eventOverlap } = context.options;
    let eventOverlapFunc = typeof eventOverlap === "function" ? eventOverlap : null;
    for (let otherInstanceId in otherInstances) {
      let otherInstance = otherInstances[otherInstanceId];
      if (rangesIntersect(subjectRange, otherInstance.range)) {
        let otherOverlap = otherConfigs[otherInstance.defId].overlap;
        if (otherOverlap === false && interaction.isEvent) {
          return false;
        }
        if (subjectConfig.overlap === false) {
          return false;
        }
        if (eventOverlapFunc && !eventOverlapFunc(
          new EventImpl(context, otherDefs[otherInstance.defId], otherInstance),
          // still event
          new EventImpl(context, subjectDef, subjectInstance)
        )) {
          return false;
        }
      }
    }
    let calendarEventStore = currentState.eventStore;
    for (let subjectAllow of subjectConfig.allows) {
      let subjectDateSpan = Object.assign(Object.assign({}, dateSpanMeta), { range: subjectInstance.range, allDay: subjectDef.allDay });
      let origDef = calendarEventStore.defs[subjectDef.defId];
      let origInstance = calendarEventStore.instances[subjectInstanceId];
      let eventApi;
      if (origDef) {
        eventApi = new EventImpl(context, origDef, origInstance);
      } else {
        eventApi = new EventImpl(context, subjectDef);
      }
      if (!subjectAllow(buildDateSpanApiWithContext(subjectDateSpan, context), eventApi)) {
        return false;
      }
    }
  }
  return true;
}
function isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig) {
  let relevantEventStore = state.eventStore;
  let relevantDefs = relevantEventStore.defs;
  let relevantInstances = relevantEventStore.instances;
  let selection = state.dateSelection;
  let selectionRange = selection.range;
  let { selectionConfig } = context.getCurrentData();
  if (filterConfig) {
    selectionConfig = filterConfig(selectionConfig);
  }
  if (!allConstraintsPass(selectionConfig.constraints, selectionRange, relevantEventStore, state.businessHours, context)) {
    return false;
  }
  let { selectOverlap } = context.options;
  let selectOverlapFunc = typeof selectOverlap === "function" ? selectOverlap : null;
  for (let relevantInstanceId in relevantInstances) {
    let relevantInstance = relevantInstances[relevantInstanceId];
    if (rangesIntersect(selectionRange, relevantInstance.range)) {
      if (selectionConfig.overlap === false) {
        return false;
      }
      if (selectOverlapFunc && !selectOverlapFunc(new EventImpl(context, relevantDefs[relevantInstance.defId], relevantInstance), null)) {
        return false;
      }
    }
  }
  for (let selectionAllow of selectionConfig.allows) {
    let fullDateSpan = Object.assign(Object.assign({}, dateSpanMeta), selection);
    if (!selectionAllow(buildDateSpanApiWithContext(fullDateSpan, context), null)) {
      return false;
    }
  }
  return true;
}
function allConstraintsPass(constraints, subjectRange, otherEventStore, businessHoursUnexpanded, context) {
  for (let constraint of constraints) {
    if (!anyRangesContainRange(constraintToRanges(constraint, subjectRange, otherEventStore, businessHoursUnexpanded, context), subjectRange)) {
      return false;
    }
  }
  return true;
}
function constraintToRanges(constraint, subjectRange, otherEventStore, businessHoursUnexpanded, context) {
  if (constraint === "businessHours") {
    return eventStoreToRanges(expandRecurring(businessHoursUnexpanded, subjectRange, context));
  }
  if (typeof constraint === "string") {
    return eventStoreToRanges(filterEventStoreDefs(otherEventStore, (eventDef) => eventDef.groupId === constraint));
  }
  if (typeof constraint === "object" && constraint) {
    return eventStoreToRanges(expandRecurring(constraint, subjectRange, context));
  }
  return [];
}
function eventStoreToRanges(eventStore) {
  let { instances } = eventStore;
  let ranges = [];
  for (let instanceId in instances) {
    ranges.push(instances[instanceId].range);
  }
  return ranges;
}
function anyRangesContainRange(outerRanges, innerRange) {
  for (let outerRange of outerRanges) {
    if (rangeContainsRange(outerRange, innerRange)) {
      return true;
    }
  }
  return false;
}
var VISIBLE_HIDDEN_RE = /^(visible|hidden)$/;
var Scroller = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.handleEl = (el) => {
      this.el = el;
      setRef(this.props.elRef, el);
    };
  }
  render() {
    let { props } = this;
    let { liquid, liquidIsAbsolute } = props;
    let isAbsolute = liquid && liquidIsAbsolute;
    let className = ["fc-scroller"];
    if (liquid) {
      if (liquidIsAbsolute) {
        className.push("fc-scroller-liquid-absolute");
      } else {
        className.push("fc-scroller-liquid");
      }
    }
    return y("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);
  }
  needsXScrolling() {
    if (VISIBLE_HIDDEN_RE.test(this.props.overflowX)) {
      return false;
    }
    let { el } = this;
    let realClientWidth = this.el.getBoundingClientRect().width - this.getYScrollbarWidth();
    let { children } = el;
    for (let i3 = 0; i3 < children.length; i3 += 1) {
      let childEl = children[i3];
      if (childEl.getBoundingClientRect().width > realClientWidth) {
        return true;
      }
    }
    return false;
  }
  needsYScrolling() {
    if (VISIBLE_HIDDEN_RE.test(this.props.overflowY)) {
      return false;
    }
    let { el } = this;
    let realClientHeight = this.el.getBoundingClientRect().height - this.getXScrollbarWidth();
    let { children } = el;
    for (let i3 = 0; i3 < children.length; i3 += 1) {
      let childEl = children[i3];
      if (childEl.getBoundingClientRect().height > realClientHeight) {
        return true;
      }
    }
    return false;
  }
  getXScrollbarWidth() {
    if (VISIBLE_HIDDEN_RE.test(this.props.overflowX)) {
      return 0;
    }
    return this.el.offsetHeight - this.el.clientHeight;
  }
  getYScrollbarWidth() {
    if (VISIBLE_HIDDEN_RE.test(this.props.overflowY)) {
      return 0;
    }
    return this.el.offsetWidth - this.el.clientWidth;
  }
};
var RefMap = class {
  constructor(masterCallback) {
    this.masterCallback = masterCallback;
    this.currentMap = {};
    this.depths = {};
    this.callbackMap = {};
    this.handleValue = (val, key) => {
      let { depths, currentMap } = this;
      let removed = false;
      let added = false;
      if (val !== null) {
        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));
        }
      }
    };
  }
  createRef(key) {
    let refCallback = this.callbackMap[key];
    if (!refCallback) {
      refCallback = this.callbackMap[key] = (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"
  collect(startIndex, endIndex, step) {
    return collectFromHash(this.currentMap, startIndex, endIndex, step);
  }
  getAll() {
    return hashValuesToArray(this.currentMap);
  }
};
function computeShrinkWidth(chunkEls) {
  let shrinkCells = findElements(chunkEls, ".fc-scrollgrid-shrink");
  let largestWidth = 0;
  for (let shrinkCell of shrinkCells) {
    largestWidth = Math.max(largestWidth, computeSmallestCellWidth(shrinkCell));
  }
  return Math.ceil(largestWidth);
}
function getSectionHasLiquidHeight(props, sectionConfig) {
  return props.liquid && sectionConfig.liquid;
}
function getAllowYScrolling(props, sectionConfig) {
  return sectionConfig.maxHeight != null || // if its possible for the height to max out, we might need scrollbars
  getSectionHasLiquidHeight(props, sectionConfig);
}
function renderChunkContent(sectionConfig, chunkConfig, arg, isHeader) {
  let { expandRows } = arg;
  let content = typeof chunkConfig.content === "function" ? chunkConfig.content(arg) : y("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, y(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) {
  let colNodes = [];
  for (let colProps of cols) {
    let span = colProps.span || 1;
    for (let i3 = 0; i3 < span; i3 += 1) {
      colNodes.push(y("col", { style: {
        width: colProps.width === "shrink" ? sanitizeShrinkWidth(shrinkWidth) : colProps.width || "",
        minWidth: colProps.minWidth || ""
      } }));
    }
  }
  return y("colgroup", {}, ...colNodes);
}
function sanitizeShrinkWidth(shrinkWidth) {
  return shrinkWidth == null ? 4 : shrinkWidth;
}
function hasShrinkWidth(cols) {
  for (let col of cols) {
    if (col.width === "shrink") {
      return true;
    }
  }
  return false;
}
function getScrollGridClassNames(liquid, context) {
  let classNames = [
    "fc-scrollgrid",
    context.theme.getClass("table")
  ];
  if (liquid) {
    classNames.push("fc-scrollgrid-liquid");
  }
  return classNames;
}
function getSectionClassNames(sectionConfig, wholeTableVGrow) {
  let 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 y("div", { className: "fc-scrollgrid-sticky-shim", style: {
    width: arg.clientWidth,
    minWidth: arg.tableMinWidth
  } });
}
function getStickyHeaderDates(options) {
  let { stickyHeaderDates } = options;
  if (stickyHeaderDates == null || stickyHeaderDates === "auto") {
    stickyHeaderDates = options.height === "auto" || options.viewHeight === "auto";
  }
  return stickyHeaderDates;
}
function getStickyFooterScrollbar(options) {
  let { stickyFooterScrollbar } = options;
  if (stickyFooterScrollbar == null || stickyFooterScrollbar === "auto") {
    stickyFooterScrollbar = options.height === "auto" || options.viewHeight === "auto";
  }
  return stickyFooterScrollbar;
}
var SimpleScrollGrid = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.processCols = memoize((a3) => a3, isColPropsEqual);
    this.renderMicroColGroup = memoize(renderMicroColGroup);
    this.scrollerRefs = new RefMap();
    this.scrollerElRefs = new RefMap(this._handleScrollerEl.bind(this));
    this.state = {
      shrinkWidth: null,
      forceYScrollbars: false,
      scrollerClientWidths: {},
      scrollerClientHeights: {}
    };
    this.handleSizing = () => {
      this.safeSetState(Object.assign({ shrinkWidth: this.computeShrinkWidth() }, this.computeScrollerDims()));
    };
  }
  render() {
    let { props, state, context } = this;
    let sectionConfigs = props.sections || [];
    let cols = this.processCols(props.cols);
    let microColGroupNode = this.renderMicroColGroup(cols, state.shrinkWidth);
    let classNames = getScrollGridClassNames(props.liquid, context);
    if (props.collapsibleWidth) {
      classNames.push("fc-scrollgrid-collapsible");
    }
    let configCnt = sectionConfigs.length;
    let configI = 0;
    let currentConfig;
    let headSectionNodes = [];
    let bodySectionNodes = [];
    let 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;
    }
    let isBuggy = !getCanVGrowWithinCell();
    const roleAttrs = { role: "rowgroup" };
    return y("table", {
      role: "grid",
      className: classNames.join(" "),
      style: { height: props.height }
    }, Boolean(!isBuggy && headSectionNodes.length) && y("thead", roleAttrs, ...headSectionNodes), Boolean(!isBuggy && bodySectionNodes.length) && y("tbody", roleAttrs, ...bodySectionNodes), Boolean(!isBuggy && footSectionNodes.length) && y("tfoot", roleAttrs, ...footSectionNodes), isBuggy && y("tbody", roleAttrs, ...headSectionNodes, ...bodySectionNodes, ...footSectionNodes));
  }
  renderSection(sectionConfig, microColGroupNode, isHeader) {
    if ("outerContent" in sectionConfig) {
      return y(_, { key: sectionConfig.key }, sectionConfig.outerContent);
    }
    return y("tr", { key: sectionConfig.key, role: "presentation", className: getSectionClassNames(sectionConfig, this.props.liquid).join(" ") }, this.renderChunkTd(sectionConfig, microColGroupNode, sectionConfig.chunk, isHeader));
  }
  renderChunkTd(sectionConfig, microColGroupNode, chunkConfig, isHeader) {
    if ("outerContent" in chunkConfig) {
      return chunkConfig.outerContent;
    }
    let { props } = this;
    let { forceYScrollbars, scrollerClientWidths, scrollerClientHeights } = this.state;
    let needsYScrolling = getAllowYScrolling(props, sectionConfig);
    let isLiquid = getSectionHasLiquidHeight(props, sectionConfig);
    let overflowY = !props.liquid ? "visible" : forceYScrollbars ? "scroll" : !needsYScrolling ? "hidden" : "auto";
    let sectionKey = sectionConfig.key;
    let content = renderChunkContent(sectionConfig, chunkConfig, {
      tableColGroupNode: microColGroupNode,
      tableMinWidth: "",
      clientWidth: !props.collapsibleWidth && scrollerClientWidths[sectionKey] !== void 0 ? scrollerClientWidths[sectionKey] : null,
      clientHeight: scrollerClientHeights[sectionKey] !== void 0 ? scrollerClientHeights[sectionKey] : null,
      expandRows: sectionConfig.expandRows,
      syncRowHeights: false,
      rowSyncHeights: [],
      reportRowHeightChange: () => {
      }
    }, isHeader);
    return y(isHeader ? "th" : "td", {
      ref: chunkConfig.elRef,
      role: "presentation"
    }, y(
      "div",
      { className: `fc-scroller-harness${isLiquid ? " fc-scroller-harness-liquid" : ""}` },
      y(Scroller, { ref: this.scrollerRefs.createRef(sectionKey), elRef: this.scrollerElRefs.createRef(sectionKey), overflowY, overflowX: !props.liquid ? "visible" : "hidden", maxHeight: sectionConfig.maxHeight, liquid: isLiquid, liquidIsAbsolute: true }, content)
    ));
  }
  _handleScrollerEl(scrollerEl, key) {
    let section = getSectionByKey(this.props.sections, key);
    if (section) {
      setRef(section.chunk.scrollerElRef, scrollerEl);
    }
  }
  componentDidMount() {
    this.handleSizing();
    this.context.addResizeHandler(this.handleSizing);
  }
  componentDidUpdate() {
    this.handleSizing();
  }
  componentWillUnmount() {
    this.context.removeResizeHandler(this.handleSizing);
  }
  computeShrinkWidth() {
    return hasShrinkWidth(this.props.cols) ? computeShrinkWidth(this.scrollerElRefs.getAll()) : 0;
  }
  computeScrollerDims() {
    let scrollbarWidth = getScrollbarWidths();
    let { scrollerRefs, scrollerElRefs } = this;
    let forceYScrollbars = false;
    let scrollerClientWidths = {};
    let scrollerClientHeights = {};
    for (let sectionKey in scrollerRefs.currentMap) {
      let scroller = scrollerRefs.currentMap[sectionKey];
      if (scroller && scroller.needsYScrolling()) {
        forceYScrollbars = true;
        break;
      }
    }
    for (let section of this.props.sections) {
      let sectionKey = section.key;
      let scrollerEl = scrollerElRefs.currentMap[sectionKey];
      if (scrollerEl) {
        let harnessEl = scrollerEl.parentNode;
        scrollerClientWidths[sectionKey] = Math.floor(harnessEl.getBoundingClientRect().width - (forceYScrollbars ? scrollbarWidth.y : 0));
        scrollerClientHeights[sectionKey] = Math.floor(harnessEl.getBoundingClientRect().height);
      }
    }
    return { forceYScrollbars, scrollerClientWidths, scrollerClientHeights };
  }
};
SimpleScrollGrid.addStateEquality({
  scrollerClientWidths: isPropsEqual,
  scrollerClientHeights: isPropsEqual
});
function getSectionByKey(sections, key) {
  for (let section of sections) {
    if (section.key === key) {
      return section;
    }
  }
  return null;
}
var EventContainer = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.buildPublicEvent = memoize((context, eventDef, eventInstance) => new EventImpl(context, eventDef, eventInstance));
    this.handleEl = (el) => {
      this.el = el;
      setRef(this.props.elRef, el);
      if (el) {
        setElSeg(el, this.props.seg);
      }
    };
  }
  render() {
    const { props, context } = this;
    const { options } = context;
    const { seg } = props;
    const { eventRange } = seg;
    const { ui } = eventRange;
    const renderProps = {
      event: this.buildPublicEvent(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)
    };
    return y(ContentContainer, { elRef: this.handleEl, elTag: props.elTag, elAttrs: props.elAttrs, elClasses: [
      ...getEventClassNames(renderProps),
      ...seg.eventRange.ui.classNames,
      ...props.elClasses || []
    ], elStyle: props.elStyle, renderProps, generatorName: "eventContent", customGenerator: options.eventContent, defaultGenerator: props.defaultGenerator, classNameGenerator: options.eventClassNames, didMount: options.eventDidMount, willUnmount: options.eventWillUnmount }, props.children);
  }
  componentDidUpdate(prevProps) {
    if (this.el && this.props.seg !== prevProps.seg) {
      setElSeg(this.el, this.props.seg);
    }
  }
};
var StandardEvent = class extends BaseComponent {
  render() {
    let { props, context } = this;
    let { options } = context;
    let { seg } = props;
    let { ui } = seg.eventRange;
    let timeFormat = options.eventTimeFormat || props.defaultTimeFormat;
    let timeText = buildSegTimeText(seg, timeFormat, context, props.defaultDisplayEventTime, props.defaultDisplayEventEnd);
    return y(EventContainer, Object.assign({}, props, { elTag: "a", elStyle: {
      borderColor: ui.borderColor,
      backgroundColor: ui.backgroundColor
    }, elAttrs: getSegAnchorAttrs(seg, context), defaultGenerator: renderInnerContent$1, timeText }), (InnerContent, eventContentArg) => y(
      _,
      null,
      y(InnerContent, { elTag: "div", elClasses: ["fc-event-main"], elStyle: { color: eventContentArg.textColor } }),
      Boolean(eventContentArg.isStartResizable) && y("div", { className: "fc-event-resizer fc-event-resizer-start" }),
      Boolean(eventContentArg.isEndResizable) && y("div", { className: "fc-event-resizer fc-event-resizer-end" })
    ));
  }
};
StandardEvent.addPropsEquality({
  seg: isPropsEqual
});
function renderInnerContent$1(innerProps) {
  return y(
    "div",
    { className: "fc-event-main-frame" },
    innerProps.timeText && y("div", { className: "fc-event-time" }, innerProps.timeText),
    y(
      "div",
      { className: "fc-event-title-container" },
      y("div", { className: "fc-event-title fc-sticky" }, innerProps.event.title || y(_, null, " "))
    )
  );
}
var NowIndicatorContainer = (props) => y(ViewContextType.Consumer, null, (context) => {
  let { options } = context;
  let renderProps = {
    isAxis: props.isAxis,
    date: context.dateEnv.toDate(props.date),
    view: context.viewApi
  };
  return y(ContentContainer, { elRef: props.elRef, elTag: props.elTag || "div", elAttrs: props.elAttrs, elClasses: props.elClasses, elStyle: props.elStyle, renderProps, generatorName: "nowIndicatorContent", customGenerator: options.nowIndicatorContent, classNameGenerator: options.nowIndicatorClassNames, didMount: options.nowIndicatorDidMount, willUnmount: options.nowIndicatorWillUnmount }, props.children);
});
var DAY_NUM_FORMAT = createFormatter({ day: "numeric" });
var DayCellContainer = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.refineRenderProps = memoizeObjArg(refineRenderProps);
  }
  render() {
    let { props, context } = this;
    let { options } = context;
    let renderProps = this.refineRenderProps({
      date: props.date,
      dateProfile: props.dateProfile,
      todayRange: props.todayRange,
      isMonthStart: props.isMonthStart || false,
      showDayNumber: props.showDayNumber,
      extraRenderProps: props.extraRenderProps,
      viewApi: context.viewApi,
      dateEnv: context.dateEnv,
      monthStartFormat: options.monthStartFormat
    });
    return y(ContentContainer, { elRef: props.elRef, elTag: props.elTag, elAttrs: Object.assign(Object.assign({}, props.elAttrs), renderProps.isDisabled ? {} : { "data-date": formatDayString(props.date) }), elClasses: [
      ...getDayClassNames(renderProps, context.theme),
      ...props.elClasses || []
    ], elStyle: props.elStyle, renderProps, generatorName: "dayCellContent", customGenerator: options.dayCellContent, defaultGenerator: props.defaultGenerator, classNameGenerator: (
      // don't use custom classNames if disabled
      renderProps.isDisabled ? void 0 : options.dayCellClassNames
    ), didMount: options.dayCellDidMount, willUnmount: options.dayCellWillUnmount }, props.children);
  }
};
function hasCustomDayCellContent(options) {
  return Boolean(options.dayCellContent || hasCustomRenderingHandler("dayCellContent", options));
}
function refineRenderProps(raw) {
  let { date, dateEnv, dateProfile, isMonthStart } = raw;
  let dayMeta = getDateMeta(date, raw.todayRange, null, dateProfile);
  let dayNumberText = raw.showDayNumber ? dateEnv.format(date, isMonthStart ? raw.monthStartFormat : DAY_NUM_FORMAT) : "";
  return Object.assign(Object.assign(Object.assign({ date: dateEnv.toDate(date), view: raw.viewApi }, dayMeta), {
    isMonthStart,
    dayNumberText
  }), raw.extraRenderProps);
}
var BgEvent = class extends BaseComponent {
  render() {
    let { props } = this;
    let { seg } = props;
    return y(EventContainer, { elTag: "div", elClasses: ["fc-bg-event"], elStyle: { backgroundColor: seg.eventRange.ui.backgroundColor }, defaultGenerator: renderInnerContent, seg, timeText: "", isDragging: false, isResizing: false, isDateSelecting: false, isSelected: false, isPast: props.isPast, isFuture: props.isFuture, isToday: props.isToday, disableDragging: true, disableResizing: true });
  }
};
function renderInnerContent(props) {
  let { title } = props.event;
  return title && y("div", { className: "fc-event-title" }, props.event.title);
}
function renderFill(fillType) {
  return y("div", { className: `fc-${fillType}` });
}
var WeekNumberContainer = (props) => y(ViewContextType.Consumer, null, (context) => {
  let { dateEnv, options } = context;
  let { date } = props;
  let format = options.weekNumberFormat || props.defaultFormat;
  let num = dateEnv.computeWeekNumber(date);
  let text = dateEnv.format(date, format);
  let renderProps = { num, text, date };
  return y(
    ContentContainer,
    { elRef: props.elRef, elTag: props.elTag, elAttrs: props.elAttrs, elClasses: props.elClasses, elStyle: props.elStyle, renderProps, generatorName: "weekNumberContent", customGenerator: options.weekNumberContent, defaultGenerator: renderInner, classNameGenerator: options.weekNumberClassNames, didMount: options.weekNumberDidMount, willUnmount: options.weekNumberWillUnmount },
    props.children
  );
});
function renderInner(innerProps) {
  return innerProps.text;
}
var PADDING_FROM_VIEWPORT = 10;
var Popover = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.state = {
      titleId: getUniqueDomId()
    };
    this.handleRootEl = (el) => {
      this.rootEl = el;
      if (this.props.elRef) {
        setRef(this.props.elRef, el);
      }
    };
    this.handleDocumentMouseDown = (ev) => {
      const target = getEventTargetViaRoot(ev);
      if (!this.rootEl.contains(target)) {
        this.handleCloseClick();
      }
    };
    this.handleDocumentKeyDown = (ev) => {
      if (ev.key === "Escape") {
        this.handleCloseClick();
      }
    };
    this.handleCloseClick = () => {
      let { onClose } = this.props;
      if (onClose) {
        onClose();
      }
    };
  }
  render() {
    let { theme, options } = this.context;
    let { props, state } = this;
    let classNames = [
      "fc-popover",
      theme.getClass("popover")
    ].concat(props.extraClassNames || []);
    return j3(y(
      "div",
      Object.assign({}, props.extraAttrs, { id: props.id, className: classNames.join(" "), "aria-labelledby": state.titleId, ref: this.handleRootEl }),
      y(
        "div",
        { className: "fc-popover-header " + theme.getClass("popoverHeader") },
        y("span", { className: "fc-popover-title", id: state.titleId }, props.title),
        y("span", { className: "fc-popover-close " + theme.getIconClass("close"), title: options.closeHint, onClick: this.handleCloseClick })
      ),
      y("div", { className: "fc-popover-body " + theme.getClass("popoverContent") }, props.children)
    ), props.parentEl);
  }
  componentDidMount() {
    document.addEventListener("mousedown", this.handleDocumentMouseDown);
    document.addEventListener("keydown", this.handleDocumentKeyDown);
    this.updateSize();
  }
  componentWillUnmount() {
    document.removeEventListener("mousedown", this.handleDocumentMouseDown);
    document.removeEventListener("keydown", this.handleDocumentKeyDown);
  }
  updateSize() {
    let { isRtl } = this.context;
    let { alignmentEl, alignGridTop } = this.props;
    let { rootEl } = this;
    let alignmentRect = computeClippedClientRect(alignmentEl);
    if (alignmentRect) {
      let popoverDims = rootEl.getBoundingClientRect();
      let popoverTop = alignGridTop ? elementClosest(alignmentEl, ".fc-scrollgrid").getBoundingClientRect().top : alignmentRect.top;
      let popoverLeft = isRtl ? alignmentRect.right - popoverDims.width : alignmentRect.left;
      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);
      let origin = rootEl.offsetParent.getBoundingClientRect();
      applyStyle(rootEl, {
        top: popoverTop - origin.top,
        left: popoverLeft - origin.left
      });
    }
  }
};
var MorePopover = class extends DateComponent {
  constructor() {
    super(...arguments);
    this.handleRootEl = (rootEl) => {
      this.rootEl = rootEl;
      if (rootEl) {
        this.context.registerInteractiveComponent(this, {
          el: rootEl,
          useEventCenter: false
        });
      } else {
        this.context.unregisterInteractiveComponent(this);
      }
    };
  }
  render() {
    let { options, dateEnv } = this.context;
    let { props } = this;
    let { startDate, todayRange, dateProfile } = props;
    let title = dateEnv.format(startDate, options.dayPopoverFormat);
    return y(DayCellContainer, { elRef: this.handleRootEl, date: startDate, dateProfile, todayRange }, (InnerContent, renderProps, elAttrs) => y(
      Popover,
      { elRef: elAttrs.ref, id: props.id, title, extraClassNames: ["fc-more-popover"].concat(elAttrs.className || []), extraAttrs: elAttrs, parentEl: props.parentEl, alignmentEl: props.alignmentEl, alignGridTop: props.alignGridTop, onClose: props.onClose },
      hasCustomDayCellContent(options) && y(InnerContent, { elTag: "div", elClasses: ["fc-more-popover-misc"] }),
      props.children
    ));
  }
  queryHit(positionLeft, positionTop, elWidth, elHeight) {
    let { rootEl, props } = this;
    if (positionLeft >= 0 && positionLeft < elWidth && positionTop >= 0 && positionTop < elHeight) {
      return {
        dateProfile: props.dateProfile,
        dateSpan: Object.assign({ allDay: !props.forceTimed, 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;
  }
};
var MoreLinkContainer = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.state = {
      isPopoverOpen: false,
      popoverId: getUniqueDomId()
    };
    this.handleLinkEl = (linkEl) => {
      this.linkEl = linkEl;
      if (this.props.elRef) {
        setRef(this.props.elRef, linkEl);
      }
    };
    this.handleClick = (ev) => {
      let { props, context } = this;
      let { moreLinkClick } = context.options;
      let date = computeRange(props).start;
      function buildPublicSeg(seg) {
        let { def, instance, range } = seg.eventRange;
        return {
          event: new EventImpl(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,
          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") {
        context.calendarApi.zoomTo(date, moreLinkClick);
      }
    };
    this.handlePopoverClose = () => {
      this.setState({ isPopoverOpen: false });
    };
  }
  render() {
    let { props, state } = this;
    return y(ViewContextType.Consumer, null, (context) => {
      let { viewApi, options, calendarApi } = context;
      let { moreLinkText } = options;
      let { moreCnt } = props;
      let range = computeRange(props);
      let text = typeof moreLinkText === "function" ? moreLinkText.call(calendarApi, moreCnt) : `+${moreCnt} ${moreLinkText}`;
      let hint = formatWithOrdinals(options.moreLinkHint, [moreCnt], text);
      let renderProps = {
        num: moreCnt,
        shortText: `+${moreCnt}`,
        text,
        view: viewApi
      };
      return y(
        _,
        null,
        Boolean(props.moreCnt) && y(ContentContainer, { elTag: props.elTag || "a", elRef: this.handleLinkEl, elClasses: [
          ...props.elClasses || [],
          "fc-more-link"
        ], elStyle: props.elStyle, elAttrs: Object.assign(Object.assign(Object.assign({}, props.elAttrs), createAriaClickAttrs(this.handleClick)), { title: hint, "aria-expanded": state.isPopoverOpen, "aria-controls": state.isPopoverOpen ? state.popoverId : "" }), renderProps, generatorName: "moreLinkContent", customGenerator: options.moreLinkContent, defaultGenerator: props.defaultGenerator || renderMoreLinkInner, classNameGenerator: options.moreLinkClassNames, didMount: options.moreLinkDidMount, willUnmount: options.moreLinkWillUnmount }, props.children),
        state.isPopoverOpen && y(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 ? props.alignmentElRef.current : this.linkEl, alignGridTop: props.alignGridTop, forceTimed: props.forceTimed, onClose: this.handlePopoverClose }, props.popoverContent())
      );
    });
  }
  componentDidMount() {
    this.updateParentEl();
  }
  componentDidUpdate() {
    this.updateParentEl();
  }
  updateParentEl() {
    if (this.linkEl) {
      this.parentEl = elementClosest(this.linkEl, ".fc-view-harness");
    }
  }
};
function renderMoreLinkInner(props) {
  return props.text;
}
function computeRange(props) {
  if (props.allDayDate) {
    return {
      start: props.allDayDate,
      end: addDays(props.allDayDate, 1)
    };
  }
  let { hiddenSegs } = props;
  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;
}
var Store = class {
  constructor() {
    this.handlers = [];
  }
  set(value) {
    this.currentValue = value;
    for (let handler of this.handlers) {
      handler(value);
    }
  }
  subscribe(handler) {
    this.handlers.push(handler);
    if (this.currentValue !== void 0) {
      handler(this.currentValue);
    }
  }
};
var CustomRenderingStore = class extends Store {
  constructor() {
    super(...arguments);
    this.map = /* @__PURE__ */ new Map();
  }
  // for consistent order
  handle(customRendering) {
    const { map } = this;
    let updated = false;
    if (customRendering.isActive) {
      map.set(customRendering.id, customRendering);
      updated = true;
    } else if (map.has(customRendering.id)) {
      map.delete(customRendering.id);
      updated = true;
    }
    if (updated) {
      this.set(map);
    }
  }
};

// node_modules/@fullcalendar/core/index.js
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 = Object.assign(Object.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(buttonText, unit) {
      return unit === "day" ? "Today" : `This ${buttonText}`;
    }
  },
  viewHint: "$0 view",
  navLinkHint: "Go to $0",
  moreLinkHint(eventCnt) {
    return `Show ${eventCnt} more event${eventCnt === 1 ? "" : "s"}`;
  }
});
function organizeRawLocales(explicitRawLocales) {
  let defaultCode = explicitRawLocales.length > 0 ? explicitRawLocales[0].code : "en";
  let allRawLocales = globalLocales.concat(explicitRawLocales);
  let rawLocaleMap = {
    en: RAW_EN_LOCALE
  };
  for (let rawLocale of allRawLocales) {
    rawLocaleMap[rawLocale.code] = rawLocale;
  }
  return {
    map: rawLocaleMap,
    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) {
  let codes = [].concat(codeArg || []);
  let raw = queryRawLocale(codes, available) || RAW_EN_LOCALE;
  return parseLocale(codeArg, codes, raw);
}
function queryRawLocale(codes, available) {
  for (let i3 = 0; i3 < codes.length; i3 += 1) {
    let parts = codes[i3].toLocaleLowerCase().split("-");
    for (let j4 = parts.length; j4 > 0; j4 -= 1) {
      let simpleId = parts.slice(0, j4).join("-");
      if (available[simpleId]) {
        return available[simpleId];
      }
    }
  }
  return null;
}
function parseLocale(codeArg, codes, raw) {
  let merged = mergeProps([MINIMAL_RAW_EN_LOCALE, raw], ["buttonText"]);
  delete merged.code;
  let { week } = merged;
  delete merged.week;
  return {
    codeArg,
    codes,
    week,
    simpleNumberFormat: new Intl.NumberFormat(codeArg),
    options: merged
  };
}
function createPlugin(input) {
  return {
    id: guid(),
    name: input.name,
    premiumReleaseDate: input.premiumReleaseDate ? new Date(input.premiumReleaseDate) : void 0,
    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,
    listenerRefiners: input.listenerRefiners || {},
    optionRefiners: input.optionRefiners || {},
    propSetHandlers: input.propSetHandlers || {}
  };
}
function buildPluginHooks(pluginDefs, globalDefs) {
  let currentPluginIds = {};
  let hooks = {
    premiumReleaseDate: void 0,
    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,
    listenerRefiners: {},
    optionRefiners: {},
    propSetHandlers: {}
  };
  function addDefs(defs) {
    for (let def of defs) {
      const pluginName = def.name;
      const currentId = currentPluginIds[pluginName];
      if (currentId === void 0) {
        currentPluginIds[pluginName] = def.id;
        addDefs(def.deps);
        hooks = combineHooks(hooks, def);
      } else if (currentId !== def.id) {
        console.warn(`Duplicate plugin '${pluginName}'`);
      }
    }
  }
  if (pluginDefs) {
    addDefs(pluginDefs);
  }
  addDefs(globalDefs);
  return hooks;
}
function buildBuildPluginHooks() {
  let currentOverrideDefs = [];
  let currentGlobalDefs = [];
  let currentHooks;
  return (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 {
    premiumReleaseDate: compareOptionalDates(hooks0.premiumReleaseDate, hooks1.premiumReleaseDate),
    reducers: hooks0.reducers.concat(hooks1.reducers),
    isLoadingFuncs: hooks0.isLoadingFuncs.concat(hooks1.isLoadingFuncs),
    contextInit: hooks0.contextInit.concat(hooks1.contextInit),
    eventRefiners: Object.assign(Object.assign({}, hooks0.eventRefiners), hooks1.eventRefiners),
    eventDefMemberAdders: hooks0.eventDefMemberAdders.concat(hooks1.eventDefMemberAdders),
    eventSourceRefiners: Object.assign(Object.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: Object.assign(Object.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: Object.assign(Object.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: Object.assign(Object.assign({}, hooks0.optionChangeHandlers), hooks1.optionChangeHandlers),
    scrollGridImpl: hooks1.scrollGridImpl || hooks0.scrollGridImpl,
    listenerRefiners: Object.assign(Object.assign({}, hooks0.listenerRefiners), hooks1.listenerRefiners),
    optionRefiners: Object.assign(Object.assign({}, hooks0.optionRefiners), hooks1.optionRefiners),
    propSetHandlers: Object.assign(Object.assign({}, hooks0.propSetHandlers), hooks1.propSetHandlers)
  };
}
function compareOptionalDates(date0, date1) {
  if (date0 === void 0) {
    return date1;
  }
  if (date1 === void 0) {
    return date0;
  }
  return new Date(Math.max(date0.valueOf(), date1.valueOf()));
}
var StandardTheme = class extends 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";
StandardTheme.prototype.iconOverrideCustomButtonOption = "icon";
StandardTheme.prototype.iconOverridePrefix = "fc-icon-";
function compileViewDefs(defaultConfigs, overrideConfigs) {
  let hash = {};
  let 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];
  }
  let viewDef = buildViewDef(viewType, hash, defaultConfigs, overrideConfigs);
  if (viewDef) {
    hash[viewType] = viewDef;
  }
  return viewDef;
}
function buildViewDef(viewType, hash, defaultConfigs, overrideConfigs) {
  let defaultConfig = defaultConfigs[viewType];
  let overrideConfig = overrideConfigs[viewType];
  let queryProp = (name) => defaultConfig && defaultConfig[name] !== null ? defaultConfig[name] : overrideConfig && overrideConfig[name] !== null ? overrideConfig[name] : null;
  let theComponent = queryProp("component");
  let superType = queryProp("superType");
  let 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;
  }
  return {
    type: viewType,
    component: theComponent,
    defaults: Object.assign(Object.assign({}, superDef ? superDef.defaults : {}), defaultConfig ? defaultConfig.rawOptions : {}),
    overrides: Object.assign(Object.assign({}, superDef ? superDef.overrides : {}), overrideConfig ? overrideConfig.rawOptions : {})
  };
}
function parseViewConfigs(inputs) {
  return mapHash(inputs, parseViewConfig);
}
function parseViewConfig(input) {
  let rawOptions = typeof input === "function" ? { component: input } : input;
  let { component } = rawOptions;
  if (rawOptions.content) {
    component = createViewHookComponent(rawOptions);
  } else if (component && !(component.prototype instanceof BaseComponent)) {
    component = createViewHookComponent(Object.assign(Object.assign({}, rawOptions), { content: component }));
  }
  return {
    superType: rawOptions.type,
    component,
    rawOptions
    // includes type and component too :(
  };
}
function createViewHookComponent(options) {
  return (viewProps) => y(ViewContextType.Consumer, null, (context) => y(ContentContainer, { elTag: "div", elClasses: buildViewClassNames(context.viewSpec), renderProps: Object.assign(Object.assign({}, viewProps), { nextDayThreshold: context.options.nextDayThreshold }), generatorName: void 0, customGenerator: options.content, classNameGenerator: options.classNames, didMount: options.didMount, willUnmount: options.willUnmount }));
}
function buildViewSpecs(defaultInputs, optionOverrides, dynamicOptionOverrides, localeDefaults) {
  let defaultConfigs = parseViewConfigs(defaultInputs);
  let overrideConfigs = parseViewConfigs(optionOverrides.views);
  let viewDefs = compileViewDefs(defaultConfigs, overrideConfigs);
  return mapHash(viewDefs, (viewDef) => buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults));
}
function buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults) {
  let durationInput = viewDef.overrides.duration || viewDef.defaults.duration || dynamicOptionOverrides.duration || optionOverrides.duration;
  let duration = null;
  let durationUnit = "";
  let singleUnit = "";
  let singleUnitOverrides = {};
  if (durationInput) {
    duration = createDurationCached(durationInput);
    if (duration) {
      let denom = greatestDurationDenominator(duration);
      durationUnit = denom.unit;
      if (denom.value === 1) {
        singleUnit = durationUnit;
        singleUnitOverrides = overrideConfigs[durationUnit] ? overrideConfigs[durationUnit].rawOptions : {};
      }
    }
  }
  let queryButtonText = (optionsSubset) => {
    let buttonTextMap = optionsSubset.buttonText || {};
    let 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;
  };
  let queryButtonTitle = (optionsSubset) => {
    let buttonHints = optionsSubset.buttonHints || {};
    let buttonKey = viewDef.defaults.buttonTextKey;
    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,
    durationUnit,
    singleUnit,
    optionDefaults: viewDef.defaults,
    optionOverrides: Object.assign(Object.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
  };
}
var durationInputMap = {};
function createDurationCached(durationInput) {
  let json = JSON.stringify(durationInput);
  let res = durationInputMap[json];
  if (res === void 0) {
    res = createDuration(durationInput);
    durationInputMap[json] = res;
  }
  return res;
}
function reduceViewType(viewType, action) {
  switch (action.type) {
    case "CHANGE_VIEW_TYPE":
      viewType = action.viewType;
  }
  return viewType;
}
function reduceCurrentDate(currentDate, action) {
  switch (action.type) {
    case "CHANGE_DATE":
      return action.dateMarker;
    default:
      return currentDate;
  }
}
function getInitialDate(options, dateEnv, nowManager) {
  let initialDateInput = options.initialDate;
  if (initialDateInput != null) {
    return dateEnv.createMarker(initialDateInput);
  }
  return nowManager.getDateMarker();
}
function reduceDynamicOptionOverrides(dynamicOptionOverrides, action) {
  switch (action.type) {
    case "SET_OPTION":
      return Object.assign(Object.assign({}, dynamicOptionOverrides), { [action.optionName]: action.rawOptionValue });
    default:
      return dynamicOptionOverrides;
  }
}
function reduceDateProfile(currentDateProfile, action, currentDate, dateProfileGenerator) {
  let 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) {
  let activeRange = dateProfile ? dateProfile.activeRange : null;
  return addSources({}, parseInitialSources(calendarOptions, context), activeRange, context);
}
function reduceEventSources(eventSources, action, dateProfile, context) {
  let activeRange = dateProfile ? dateProfile.activeRange : null;
  switch (action.type) {
    case "ADD_EVENT_SOURCES":
      return addSources(eventSources, action.sources, activeRange, context);
    case "REMOVE_EVENT_SOURCE":
      return removeSource(eventSources, action.sourceId);
    case "PREV":
    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) {
  let activeRange = dateProfile ? dateProfile.activeRange : null;
  return fetchSourcesByIds(eventSources, excludeStaticSources(eventSources, context), activeRange, true, context);
}
function computeEventSourcesLoading(eventSources) {
  for (let sourceId in eventSources) {
    if (eventSources[sourceId].isFetching) {
      return true;
    }
  }
  return false;
}
function addSources(eventSourceHash, sources, fetchRange, context) {
  let hash = {};
  for (let source of sources) {
    hash[source.sourceId] = source;
  }
  if (fetchRange) {
    hash = fetchDirtySources(hash, fetchRange, context);
  }
  return Object.assign(Object.assign({}, eventSourceHash), hash);
}
function removeSource(eventSourceHash, sourceId) {
  return filterHash(eventSourceHash, (eventSource) => eventSource.sourceId !== sourceId);
}
function fetchDirtySources(sourceHash, fetchRange, context) {
  return fetchSourcesByIds(sourceHash, filterHash(sourceHash, (eventSource) => 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) {
  let nextSources = {};
  for (let sourceId in prevSources) {
    let 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) {
  let { options, calendarApi } = context;
  let sourceDef = context.pluginHooks.eventSourceDefs[eventSource.sourceDefId];
  let fetchId = guid();
  sourceDef.fetch({
    eventSource,
    range: fetchRange,
    isRefetch,
    context
  }, (res) => {
    let { rawEvents } = res;
    if (options.eventSourceSuccess) {
      rawEvents = options.eventSourceSuccess.call(calendarApi, rawEvents, res.response) || rawEvents;
    }
    if (eventSource.success) {
      rawEvents = eventSource.success.call(calendarApi, rawEvents, res.response) || rawEvents;
    }
    context.dispatch({
      type: "RECEIVE_EVENTS",
      sourceId: eventSource.sourceId,
      fetchId,
      fetchRange,
      rawEvents
    });
  }, (error) => {
    let errorHandled = false;
    if (options.eventSourceFailure) {
      options.eventSourceFailure.call(calendarApi, error);
      errorHandled = true;
    }
    if (eventSource.failure) {
      eventSource.failure(error);
      errorHandled = true;
    }
    if (!errorHandled) {
      console.warn(error.message, error);
    }
    context.dispatch({
      type: "RECEIVE_EVENT_ERROR",
      sourceId: eventSource.sourceId,
      fetchId,
      fetchRange,
      error
    });
  });
  return Object.assign(Object.assign({}, eventSource), { isFetching: true, latestFetchId: fetchId });
}
function receiveResponse(sourceHash, sourceId, fetchId, fetchRange) {
  let eventSource = sourceHash[sourceId];
  if (eventSource && // not already removed
  fetchId === eventSource.latestFetchId) {
    return Object.assign(Object.assign({}, sourceHash), { [sourceId]: Object.assign(Object.assign({}, eventSource), { isFetching: false, fetchRange }) });
  }
  return sourceHash;
}
function excludeStaticSources(eventSources, context) {
  return filterHash(eventSources, (eventSource) => doesSourceNeedRange(eventSource, context));
}
function parseInitialSources(rawOptions, context) {
  let refiners = buildEventSourceRefiners(context);
  let rawSources = [].concat(rawOptions.eventSources || []);
  let sources = [];
  if (rawOptions.initialEvents) {
    rawSources.unshift(rawOptions.initialEvents);
  }
  if (rawOptions.events) {
    rawSources.unshift(rawOptions.events);
  }
  for (let rawSource of rawSources) {
    let source = parseEventSource(rawSource, context, refiners);
    if (source) {
      sources.push(source);
    }
  }
  return sources;
}
function doesSourceNeedRange(eventSource, context) {
  let defs = context.pluginHooks.eventSourceDefs;
  return !defs[eventSource.sourceDefId].ignoreRange;
}
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) {
  let 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) {
  let 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) {
  let header = calendarOptions.headerToolbar ? parseToolbar(calendarOptions.headerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) : null;
  let footer = calendarOptions.footerToolbar ? parseToolbar(calendarOptions.footerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) : null;
  return { header, footer };
}
function parseToolbar(sectionStrHash, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) {
  let sectionWidgets = {};
  let viewsWithButtons = [];
  let hasTitle = false;
  for (let sectionName in sectionStrHash) {
    let sectionStr = sectionStrHash[sectionName];
    let sectionRes = parseSection(sectionStr, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi);
    sectionWidgets[sectionName] = sectionRes.widgets;
    viewsWithButtons.push(...sectionRes.viewsWithButtons);
    hasTitle = hasTitle || sectionRes.hasTitle;
  }
  return { sectionWidgets, viewsWithButtons, hasTitle };
}
function parseSection(sectionStr, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) {
  let isRtl = calendarOptions.direction === "rtl";
  let calendarCustomButtons = calendarOptions.customButtons || {};
  let calendarButtonTextOverrides = calendarOptionOverrides.buttonText || {};
  let calendarButtonText = calendarOptions.buttonText || {};
  let calendarButtonHintOverrides = calendarOptionOverrides.buttonHints || {};
  let calendarButtonHints = calendarOptions.buttonHints || {};
  let sectionSubstrs = sectionStr ? sectionStr.split(" ") : [];
  let viewsWithButtons = [];
  let hasTitle = false;
  let widgets = sectionSubstrs.map((buttonGroupStr) => buttonGroupStr.split(",").map((buttonName) => {
    if (buttonName === "title") {
      hasTitle = true;
      return { buttonName };
    }
    let customButtonProps;
    let viewSpec;
    let buttonClick;
    let buttonIcon;
    let buttonText;
    let buttonHint;
    if (customButtonProps = calendarCustomButtons[buttonName]) {
      buttonClick = (ev) => {
        if (customButtonProps.click) {
          customButtonProps.click.call(ev.target, ev, ev.target);
        }
      };
      (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 = () => {
        calendarApi.changeView(buttonName);
      };
      (buttonText = viewSpec.buttonTextOverride) || (buttonIcon = theme.getIconClass(buttonName, isRtl)) || (buttonText = viewSpec.buttonTextDefault);
      let textFallback = viewSpec.buttonTextOverride || viewSpec.buttonTextDefault;
      buttonHint = formatWithOrdinals(
        viewSpec.buttonTitleOverride || viewSpec.buttonTitleDefault || calendarOptions.viewHint,
        [textFallback, buttonName],
        // view-name = buttonName
        textFallback
      );
    } else if (calendarApi[buttonName]) {
      buttonClick = () => {
        calendarApi[buttonName]();
      };
      (buttonText = calendarButtonTextOverrides[buttonName]) || (buttonIcon = theme.getIconClass(buttonName, isRtl)) || (buttonText = calendarButtonText[buttonName]);
      if (buttonName === "prevYear" || buttonName === "nextYear") {
        let prevOrNext = buttonName === "prevYear" ? "prev" : "next";
        buttonHint = formatWithOrdinals(calendarButtonHintOverrides[prevOrNext] || calendarButtonHints[prevOrNext], [
          calendarButtonText.year || "year",
          "year"
        ], calendarButtonText[buttonName]);
      } else {
        buttonHint = (navUnit) => formatWithOrdinals(calendarButtonHintOverrides[buttonName] || calendarButtonHints[buttonName], [
          calendarButtonText[navUnit] || navUnit,
          navUnit
        ], calendarButtonText[buttonName]);
      }
    }
    return { buttonName, buttonClick, buttonIcon, buttonText, buttonHint };
  }));
  return { widgets, viewsWithButtons, hasTitle };
}
var ViewImpl = class {
  constructor(type, getCurrentData, dateEnv) {
    this.type = type;
    this.getCurrentData = getCurrentData;
    this.dateEnv = dateEnv;
  }
  get calendar() {
    return this.getCurrentData().calendarApi;
  }
  get title() {
    return this.getCurrentData().viewTitle;
  }
  get activeStart() {
    return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.start);
  }
  get activeEnd() {
    return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.end);
  }
  get currentStart() {
    return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.start);
  }
  get currentEnd() {
    return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.end);
  }
  getOption(name) {
    return this.getCurrentData().options[name];
  }
};
var eventSourceDef$2 = {
  ignoreRange: true,
  parseMeta(refined) {
    if (Array.isArray(refined.events)) {
      return refined.events;
    }
    return null;
  },
  fetch(arg, successCallback) {
    successCallback({
      rawEvents: arg.eventSource.meta
    });
  }
};
var arrayEventSourcePlugin = createPlugin({
  name: "array-event-source",
  eventSourceDefs: [eventSourceDef$2]
});
var eventSourceDef$1 = {
  parseMeta(refined) {
    if (typeof refined.events === "function") {
      return refined.events;
    }
    return null;
  },
  fetch(arg, successCallback, errorCallback) {
    const { dateEnv } = arg.context;
    const func = arg.eventSource.meta;
    unpromisify(func.bind(null, buildRangeApiWithTimeZone(arg.range, dateEnv)), (rawEvents) => successCallback({ rawEvents }), errorCallback);
  }
};
var funcEventSourcePlugin = createPlugin({
  name: "func-event-source",
  eventSourceDefs: [eventSourceDef$1]
});
var JSON_FEED_EVENT_SOURCE_REFINERS = {
  method: String,
  extraParams: identity,
  startParam: String,
  endParam: String,
  timeZoneParam: String
};
var eventSourceDef = {
  parseMeta(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(arg, successCallback, errorCallback) {
    const { meta } = arg.eventSource;
    const requestParams = buildRequestParams(meta, arg.range, arg.context);
    requestJson(meta.method, meta.url, requestParams).then(([rawEvents, response]) => {
      successCallback({ rawEvents, response });
    }, errorCallback);
  }
};
var jsonFeedEventSourcePlugin = createPlugin({
  name: "json-event-source",
  eventSourceRefiners: JSON_FEED_EVENT_SOURCE_REFINERS,
  eventSourceDefs: [eventSourceDef]
});
function buildRequestParams(meta, range, context) {
  let { dateEnv, options } = context;
  let startParam;
  let endParam;
  let timeZoneParam;
  let customRequestParams;
  let 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;
  }
  if (typeof meta.extraParams === "function") {
    customRequestParams = meta.extraParams();
  } else {
    customRequestParams = meta.extraParams || {};
  }
  Object.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(refined, dateEnv) {
    if (refined.daysOfWeek || refined.startTime || refined.endTime || refined.startRecur || refined.endRecur) {
      let 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,
        dateEnv
      };
      let duration;
      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,
        typeData: recurringData
        // doesn't need endTime anymore but oh well
      };
    }
    return null;
  },
  expand(typeData, framingRange, dateEnv) {
    let clippedFramingRange = intersectRanges(framingRange, { start: typeData.startRecur, end: typeData.endRecur });
    if (clippedFramingRange) {
      return expandRanges(typeData.daysOfWeek, typeData.startTime, typeData.dateEnv, dateEnv, clippedFramingRange);
    }
    return [];
  }
};
var simpleRecurringEventsPlugin = createPlugin({
  name: "simple-recurring-event",
  recurringTypes: [recurring],
  eventRefiners: SIMPLE_RECURRING_REFINERS
});
function expandRanges(daysOfWeek, startTime, eventDateEnv, calendarDateEnv, framingRange) {
  let dowHash = daysOfWeek ? arrayToHash(daysOfWeek) : null;
  let dayMarker = startOfDay(framingRange.start);
  let endMarker = framingRange.end;
  let instanceStarts = [];
  if (startTime) {
    if (startTime.milliseconds < 0) {
      endMarker = addDays(endMarker, 1);
    } else if (startTime.milliseconds >= 1e3 * 60 * 60 * 24) {
      dayMarker = addDays(dayMarker, -1);
    }
  }
  while (dayMarker < endMarker) {
    let instanceStart;
    if (!dowHash || dowHash[dayMarker.getUTCDay()]) {
      if (startTime) {
        instanceStart = calendarDateEnv.add(dayMarker, startTime);
      } else {
        instanceStart = dayMarker;
      }
      instanceStarts.push(calendarDateEnv.createMarker(eventDateEnv.toDate(instanceStart)));
    }
    dayMarker = addDays(dayMarker, 1);
  }
  return instanceStarts;
}
var changeHandlerPlugin = createPlugin({
  name: "change-handler",
  optionChangeHandlers: {
    events(events, context) {
      handleEventSources([events], context);
    },
    eventSources: handleEventSources
  }
});
function handleEventSources(inputs, context) {
  let unfoundSources = hashValuesToArray(context.getCurrentData().eventSources);
  if (unfoundSources.length === 1 && inputs.length === 1 && Array.isArray(unfoundSources[0]._raw) && Array.isArray(inputs[0])) {
    context.dispatch({
      type: "RESET_RAW_EVENTS",
      sourceId: unfoundSources[0].sourceId,
      rawEvents: inputs[0]
    });
    return;
  }
  let newInputs = [];
  for (let input of inputs) {
    let inputFound = false;
    for (let i3 = 0; i3 < unfoundSources.length; i3 += 1) {
      if (unfoundSources[i3]._raw === input) {
        unfoundSources.splice(i3, 1);
        inputFound = true;
        break;
      }
    }
    if (!inputFound) {
      newInputs.push(input);
    }
  }
  for (let unfoundSource of unfoundSources) {
    context.dispatch({
      type: "REMOVE_EVENT_SOURCE",
      sourceId: unfoundSource.sourceId
    });
  }
  for (let newInput of newInputs) {
    context.calendarApi.addEventSource(newInput);
  }
}
function handleDateProfile(dateProfile, context) {
  context.emitter.trigger("datesSet", Object.assign(Object.assign({}, buildRangeApiWithTimeZone(dateProfile.activeRange, context.dateEnv)), { view: context.viewApi }));
}
function handleEventStore(eventStore, context) {
  let { emitter } = context;
  if (emitter.hasHandlers("eventsSet")) {
    emitter.trigger("eventsSet", buildEventApis(eventStore, context));
  }
}
var globalPlugins = [
  arrayEventSourcePlugin,
  funcEventSourcePlugin,
  jsonFeedEventSourcePlugin,
  simpleRecurringEventsPlugin,
  changeHandlerPlugin,
  createPlugin({
    name: "misc",
    isLoadingFuncs: [
      (state) => computeEventSourcesLoading(state.eventSources)
    ],
    propSetHandlers: {
      dateProfile: handleDateProfile,
      eventStore: handleEventStore
    }
  })
];
var TaskRunner = class {
  constructor(runTaskOption, drainedOption) {
    this.runTaskOption = runTaskOption;
    this.drainedOption = drainedOption;
    this.queue = [];
    this.delayedRunner = new DelayedRunner(this.drain.bind(this));
  }
  request(task, delay) {
    this.queue.push(task);
    this.delayedRunner.request(delay);
  }
  pause(scope) {
    this.delayedRunner.pause(scope);
  }
  resume(scope, force) {
    this.delayedRunner.resume(scope, force);
  }
  drain() {
    let { queue } = this;
    while (queue.length) {
      let completedTasks = [];
      let task;
      while (task = queue.shift()) {
        this.runTask(task);
        completedTasks.push(task);
      }
      this.drained(completedTasks);
    }
  }
  runTask(task) {
    if (this.runTaskOption) {
      this.runTaskOption(task);
    }
  }
  drained(completedTasks) {
    if (this.drainedOption) {
      this.drainedOption(completedTasks);
    }
  }
};
function buildTitle(dateProfile, viewOptions, dateEnv) {
  let range;
  if (/^(year|month)$/.test(dateProfile.currentRangeUnit)) {
    range = dateProfile.currentRange;
  } else {
    range = dateProfile.activeRange;
  }
  return dateEnv.formatRange(range.start, range.end, createFormatter(viewOptions.titleFormat || buildTitleFormat(dateProfile)), {
    isEndExclusive: dateProfile.isRangeAllDay,
    defaultSeparator: viewOptions.titleRangeSeparator
  });
}
function buildTitleFormat(dateProfile) {
  let { currentRangeUnit } = dateProfile;
  if (currentRangeUnit === "year") {
    return { year: "numeric" };
  }
  if (currentRangeUnit === "month") {
    return { year: "numeric", month: "long" };
  }
  let days = diffWholeDays(dateProfile.currentRange.start, dateProfile.currentRange.end);
  if (days !== null && days > 1) {
    return { year: "numeric", month: "short", day: "numeric" };
  }
  return { year: "numeric", month: "long", day: "numeric" };
}
var CalendarNowManager = class {
  constructor() {
    this.resetListeners = /* @__PURE__ */ new Set();
  }
  handleInput(dateEnv, nowInput) {
    const oldDateEnv = this.dateEnv;
    if (dateEnv !== oldDateEnv) {
      if (typeof nowInput === "function") {
        this.nowFn = nowInput;
      } else if (!oldDateEnv) {
        this.nowAnchorDate = dateEnv.toDate(nowInput ? dateEnv.createMarker(nowInput) : dateEnv.createNowMarker());
        this.nowAnchorQueried = Date.now();
      }
      this.dateEnv = dateEnv;
      if (oldDateEnv) {
        for (const resetListener of this.resetListeners.values()) {
          resetListener();
        }
      }
    }
  }
  getDateMarker() {
    return this.nowAnchorDate ? this.dateEnv.timestampToMarker(this.nowAnchorDate.valueOf() + (Date.now() - this.nowAnchorQueried)) : this.dateEnv.createMarker(this.nowFn());
  }
  addResetListener(handler) {
    this.resetListeners.add(handler);
  }
  removeResetListener(handler) {
    this.resetListeners.delete(handler);
  }
};
var CalendarDataManager = class {
  constructor(props) {
    this.computeCurrentViewData = memoize(this._computeCurrentViewData);
    this.organizeRawLocales = memoize(organizeRawLocales);
    this.buildLocale = memoize(buildLocale);
    this.buildPluginHooks = buildBuildPluginHooks();
    this.buildDateEnv = memoize(buildDateEnv$1);
    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.nowManager = new CalendarNowManager();
    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.optionsForRefining = [];
    this.optionsForHandling = [];
    this.getCurrentData = () => this.data;
    this.dispatch = (action) => {
      this.actionRunner.request(action);
    };
    this.props = props;
    this.actionRunner.pause();
    this.nowManager = new CalendarNowManager();
    let dynamicOptionOverrides = {};
    let optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi);
    let currentViewType = optionsData.calendarOptions.initialView || optionsData.pluginHooks.initialView;
    let currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides);
    props.calendarApi.currentDataManager = this;
    this.emitter.setThisContext(props.calendarApi);
    this.emitter.setOptions(currentViewData.options);
    let calendarContext = {
      nowManager: this.nowManager,
      dateEnv: optionsData.dateEnv,
      options: optionsData.calendarOptions,
      pluginHooks: optionsData.pluginHooks,
      calendarApi: props.calendarApi,
      dispatch: this.dispatch,
      emitter: this.emitter,
      getCurrentData: this.getCurrentData
    };
    let currentDate = getInitialDate(optionsData.calendarOptions, optionsData.dateEnv, this.nowManager);
    let dateProfile = currentViewData.dateProfileGenerator.build(currentDate);
    if (!rangeContainsMarker(dateProfile.activeRange, currentDate)) {
      currentDate = dateProfile.currentRange.start;
    }
    for (let callback of optionsData.pluginHooks.contextInit) {
      callback(calendarContext);
    }
    let eventSources = initEventSources(optionsData.calendarOptions, dateProfile, calendarContext);
    let initialState = {
      dynamicOptionOverrides,
      currentViewType,
      currentDate,
      dateProfile,
      businessHours: this.parseContextBusinessHours(calendarContext),
      eventSources,
      eventUiBases: {},
      eventStore: createEmptyEventStore(),
      renderableEventStore: createEmptyEventStore(),
      dateSelection: null,
      eventSelection: "",
      eventDrag: null,
      eventResize: null,
      selectionConfig: this.buildViewUiProps(calendarContext).selectionConfig
    };
    let contextAndState = Object.assign(Object.assign({}, calendarContext), initialState);
    for (let reducer of optionsData.pluginHooks.reducers) {
      Object.assign(initialState, reducer(null, null, contextAndState));
    }
    if (computeIsLoading(initialState, calendarContext)) {
      this.emitter.trigger("loading", true);
    }
    this.state = initialState;
    this.updateData();
    this.actionRunner.resume();
  }
  resetOptions(optionOverrides, changedOptionNames) {
    let { props } = this;
    if (changedOptionNames === void 0) {
      props.optionOverrides = optionOverrides;
    } else {
      props.optionOverrides = Object.assign(Object.assign({}, props.optionOverrides || {}), optionOverrides);
      this.optionsForRefining.push(...changedOptionNames);
    }
    if (changedOptionNames === void 0 || changedOptionNames.length) {
      this.actionRunner.request({
        type: "NOTHING"
      });
    }
  }
  _handleAction(action) {
    let { props, state, emitter } = this;
    let dynamicOptionOverrides = reduceDynamicOptionOverrides(state.dynamicOptionOverrides, action);
    let optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi);
    let currentViewType = reduceViewType(state.currentViewType, action);
    let currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides);
    props.calendarApi.currentDataManager = this;
    emitter.setThisContext(props.calendarApi);
    emitter.setOptions(currentViewData.options);
    let calendarContext = {
      nowManager: this.nowManager,
      dateEnv: optionsData.dateEnv,
      options: optionsData.calendarOptions,
      pluginHooks: optionsData.pluginHooks,
      calendarApi: props.calendarApi,
      dispatch: this.dispatch,
      emitter,
      getCurrentData: this.getCurrentData
    };
    let { currentDate, dateProfile } = state;
    if (this.data && this.data.dateProfileGenerator !== currentViewData.dateProfileGenerator) {
      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;
    }
    let eventSources = reduceEventSources(state.eventSources, action, dateProfile, calendarContext);
    let eventStore = reduceEventStore(state.eventStore, action, eventSources, dateProfile, calendarContext);
    let isEventsLoading = computeEventSourcesLoading(eventSources);
    let renderableEventStore = isEventsLoading && !currentViewData.options.progressiveEventRendering ? state.renderableEventStore || eventStore : (
      // try from previous state
      eventStore
    );
    let { eventUiSingleBase, selectionConfig } = this.buildViewUiProps(calendarContext);
    let eventUiBySource = this.buildEventUiBySource(eventSources);
    let eventUiBases = this.buildEventUiBases(renderableEventStore.defs, eventUiSingleBase, eventUiBySource);
    let newState = {
      dynamicOptionOverrides,
      currentViewType,
      currentDate,
      dateProfile,
      eventSources,
      eventStore,
      renderableEventStore,
      selectionConfig,
      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)
    };
    let contextAndState = Object.assign(Object.assign({}, calendarContext), newState);
    for (let reducer of optionsData.pluginHooks.reducers) {
      Object.assign(newState, reducer(state, action, contextAndState));
    }
    let wasLoading = computeIsLoading(state, calendarContext);
    let isLoading = computeIsLoading(newState, calendarContext);
    if (!wasLoading && isLoading) {
      emitter.trigger("loading", true);
    } else if (wasLoading && !isLoading) {
      emitter.trigger("loading", false);
    }
    this.state = newState;
    if (props.onAction) {
      props.onAction(action);
    }
  }
  updateData() {
    let { props, state } = this;
    let oldData = this.data;
    let optionsData = this.computeOptionsData(props.optionOverrides, state.dynamicOptionOverrides, props.calendarApi);
    let currentViewData = this.computeCurrentViewData(state.currentViewType, optionsData, props.optionOverrides, state.dynamicOptionOverrides);
    let data = this.data = Object.assign(Object.assign(Object.assign({ nowManager: this.nowManager, viewTitle: this.buildTitle(state.dateProfile, currentViewData.options, optionsData.dateEnv), calendarApi: props.calendarApi, dispatch: this.dispatch, emitter: this.emitter, getCurrentData: this.getCurrentData }, optionsData), currentViewData), state);
    let changeHandlers = optionsData.pluginHooks.optionChangeHandlers;
    let oldCalendarOptions = oldData && oldData.calendarOptions;
    let newCalendarOptions = optionsData.calendarOptions;
    if (oldCalendarOptions && oldCalendarOptions !== newCalendarOptions) {
      if (oldCalendarOptions.timeZone !== newCalendarOptions.timeZone) {
        state.eventSources = data.eventSources = reduceEventSourcesNewTimeZone(data.eventSources, state.dateProfile, data);
        state.eventStore = data.eventStore = rezoneEventStoreDates(data.eventStore, oldData.dateEnv, data.dateEnv);
        state.renderableEventStore = data.renderableEventStore = rezoneEventStoreDates(data.renderableEventStore, oldData.dateEnv, data.dateEnv);
      }
      for (let optionName in changeHandlers) {
        if (this.optionsForHandling.indexOf(optionName) !== -1 || oldCalendarOptions[optionName] !== newCalendarOptions[optionName]) {
          changeHandlers[optionName](newCalendarOptions[optionName], data);
        }
      }
    }
    this.optionsForHandling = [];
    if (props.onData) {
      props.onData(data);
    }
  }
  computeOptionsData(optionOverrides, dynamicOptionOverrides, calendarApi) {
    if (!this.optionsForRefining.length && optionOverrides === this.stableOptionOverrides && dynamicOptionOverrides === this.stableDynamicOptionOverrides) {
      return this.stableCalendarOptionsData;
    }
    let { refinedOptions, pluginHooks, localeDefaults, availableLocaleData, extra } = this.processRawCalendarOptions(optionOverrides, dynamicOptionOverrides);
    warnUnknownOptions(extra);
    let dateEnv = this.buildDateEnv(refinedOptions.timeZone, refinedOptions.locale, refinedOptions.weekNumberCalculation, refinedOptions.firstDay, refinedOptions.weekText, pluginHooks, availableLocaleData, refinedOptions.defaultRangeSeparator);
    let viewSpecs = this.buildViewSpecs(pluginHooks.views, this.stableOptionOverrides, this.stableDynamicOptionOverrides, localeDefaults);
    let theme = this.buildTheme(refinedOptions, pluginHooks);
    let toolbarConfig = this.parseToolbars(refinedOptions, this.stableOptionOverrides, theme, viewSpecs, calendarApi);
    return this.stableCalendarOptionsData = {
      calendarOptions: refinedOptions,
      pluginHooks,
      dateEnv,
      viewSpecs,
      theme,
      toolbarConfig,
      localeDefaults,
      availableRawLocales: availableLocaleData.map
    };
  }
  // always called from behind a memoizer
  processRawCalendarOptions(optionOverrides, dynamicOptionOverrides) {
    let { locales, locale } = mergeRawOptions([
      BASE_OPTION_DEFAULTS,
      optionOverrides,
      dynamicOptionOverrides
    ]);
    let availableLocaleData = this.organizeRawLocales(locales);
    let availableRawLocales = availableLocaleData.map;
    let localeDefaults = this.buildLocale(locale || availableLocaleData.defaultCode, availableRawLocales).options;
    let pluginHooks = this.buildPluginHooks(optionOverrides.plugins || [], globalPlugins);
    let refiners = this.currentCalendarOptionsRefiners = Object.assign(Object.assign(Object.assign(Object.assign(Object.assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), pluginHooks.listenerRefiners), pluginHooks.optionRefiners);
    let extra = {};
    let raw = mergeRawOptions([
      BASE_OPTION_DEFAULTS,
      localeDefaults,
      optionOverrides,
      dynamicOptionOverrides
    ]);
    let refined = {};
    let currentRaw = this.currentCalendarOptionsInput;
    let currentRefined = this.currentCalendarOptionsRefined;
    let anyChanges = false;
    for (let optionName in raw) {
      if (this.optionsForRefining.indexOf(optionName) === -1 && (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;
      this.stableOptionOverrides = optionOverrides;
      this.stableDynamicOptionOverrides = dynamicOptionOverrides;
    }
    this.optionsForHandling.push(...this.optionsForRefining);
    this.optionsForRefining = [];
    return {
      rawOptions: this.currentCalendarOptionsInput,
      refinedOptions: this.currentCalendarOptionsRefined,
      pluginHooks,
      availableLocaleData,
      localeDefaults,
      extra
    };
  }
  _computeCurrentViewData(viewType, optionsData, optionOverrides, dynamicOptionOverrides) {
    let viewSpec = optionsData.viewSpecs[viewType];
    if (!viewSpec) {
      throw new Error(`viewType "${viewType}" is not available. Please make sure you've loaded all neccessary plugins`);
    }
    let { refinedOptions, extra } = this.processRawViewOptions(viewSpec, optionsData.pluginHooks, optionsData.localeDefaults, optionOverrides, dynamicOptionOverrides);
    warnUnknownOptions(extra);
    this.nowManager.handleInput(optionsData.dateEnv, refinedOptions.now);
    let dateProfileGenerator = this.buildDateProfileGenerator({
      dateProfileGeneratorClass: viewSpec.optionDefaults.dateProfileGeneratorClass,
      nowManager: this.nowManager,
      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,
      validRangeInput: refinedOptions.validRange,
      visibleRangeInput: refinedOptions.visibleRange,
      fixedWeekCount: refinedOptions.fixedWeekCount
    });
    let viewApi = this.buildViewApi(viewType, this.getCurrentData, optionsData.dateEnv);
    return { viewSpec, options: refinedOptions, dateProfileGenerator, viewApi };
  }
  processRawViewOptions(viewSpec, pluginHooks, localeDefaults, optionOverrides, dynamicOptionOverrides) {
    let raw = mergeRawOptions([
      BASE_OPTION_DEFAULTS,
      viewSpec.optionDefaults,
      localeDefaults,
      optionOverrides,
      viewSpec.optionOverrides,
      dynamicOptionOverrides
    ]);
    let refiners = Object.assign(Object.assign(Object.assign(Object.assign(Object.assign(Object.assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), VIEW_OPTION_REFINERS), pluginHooks.listenerRefiners), pluginHooks.optionRefiners);
    let refined = {};
    let currentRaw = this.currentViewOptionsInput;
    let currentRefined = this.currentViewOptionsRefined;
    let anyChanges = false;
    let extra = {};
    for (let 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) {
            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
    };
  }
};
function buildDateEnv$1(timeZone, explicitLocale, weekNumberCalculation, firstDay, weekText, pluginHooks, availableLocaleData, defaultSeparator) {
  let locale = buildLocale(explicitLocale || availableLocaleData.defaultCode, availableLocaleData.map);
  return new DateEnv({
    calendarSystem: "gregory",
    timeZone,
    namedTimeZoneImpl: pluginHooks.namedTimeZonedImpl,
    locale,
    weekNumberCalculation,
    firstDay,
    weekText,
    cmdFormatter: pluginHooks.cmdFormatter,
    defaultSeparator
  });
}
function buildTheme(options, pluginHooks) {
  let ThemeClass = pluginHooks.themeClasses[options.themeSystem] || StandardTheme;
  return new ThemeClass(options);
}
function buildDateProfileGenerator(props) {
  let DateProfileGeneratorClass = props.dateProfileGeneratorClass || DateProfileGenerator;
  return new DateProfileGeneratorClass(props);
}
function buildViewApi(type, getCurrentData, dateEnv) {
  return new ViewImpl(type, getCurrentData, dateEnv);
}
function buildEventUiBySource(eventSources) {
  return mapHash(eventSources, (eventSource) => eventSource.ui);
}
function buildEventUiBases(eventDefs, eventUiSingleBase, eventUiBySource) {
  let eventUiBases = { "": eventUiSingleBase };
  for (let defId in eventDefs) {
    let def = eventDefs[defId];
    if (def.sourceId && eventUiBySource[def.sourceId]) {
      eventUiBases[defId] = eventUiBySource[def.sourceId];
    }
  }
  return eventUiBases;
}
function buildViewUiProps(calendarContext) {
  let { options } = calendarContext;
  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 : void 0,
      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 : void 0,
      allow: options.selectAllow
    }, calendarContext)
  };
}
function computeIsLoading(state, context) {
  for (let isLoadingFunc of context.pluginHooks.isLoadingFuncs) {
    if (isLoadingFunc(state)) {
      return true;
    }
  }
  return false;
}
function parseContextBusinessHours(calendarContext) {
  return parseBusinessHours(calendarContext.options.businessHours, calendarContext);
}
function warnUnknownOptions(options, viewName) {
  for (let optionName in options) {
    console.warn(`Unknown option '${optionName}'` + (viewName ? ` for view '${viewName}'` : ""));
  }
}
var ToolbarSection = class extends BaseComponent {
  render() {
    let children = this.props.widgetGroups.map((widgetGroup) => this.renderWidgetGroup(widgetGroup));
    return y("div", { className: "fc-toolbar-chunk" }, ...children);
  }
  renderWidgetGroup(widgetGroup) {
    let { props } = this;
    let { theme } = this.context;
    let children = [];
    let isOnlyButtons = true;
    for (let widget of widgetGroup) {
      let { buttonName, buttonClick, buttonText, buttonIcon, buttonHint } = widget;
      if (buttonName === "title") {
        isOnlyButtons = false;
        children.push(y("h2", { className: "fc-toolbar-title", id: props.titleId }, props.title));
      } else {
        let isPressed = buttonName === props.activeButton;
        let isDisabled = !props.isTodayEnabled && buttonName === "today" || !props.isPrevEnabled && buttonName === "prev" || !props.isNextEnabled && buttonName === "next";
        let buttonClasses = [`fc-${buttonName}-button`, theme.getClass("button")];
        if (isPressed) {
          buttonClasses.push(theme.getClass("buttonActive"));
        }
        children.push(y("button", { type: "button", title: typeof buttonHint === "function" ? buttonHint(props.navUnit) : buttonHint, disabled: isDisabled, "aria-pressed": isPressed, className: buttonClasses.join(" "), onClick: buttonClick }, buttonText || (buttonIcon ? y("span", { className: buttonIcon, role: "img" }) : "")));
      }
    }
    if (children.length > 1) {
      let groupClassName = isOnlyButtons && theme.getClass("buttonGroup") || "";
      return y("div", { className: groupClassName }, ...children);
    }
    return children[0];
  }
};
var Toolbar = class extends BaseComponent {
  render() {
    let { model, extraClassName } = this.props;
    let forceLtr = false;
    let startContent;
    let endContent;
    let sectionWidgets = model.sectionWidgets;
    let 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;
    }
    let classNames = [
      extraClassName || "",
      "fc-toolbar",
      forceLtr ? "fc-toolbar-ltr" : ""
    ];
    return y(
      "div",
      { className: classNames.join(" ") },
      this.renderSection("start", startContent || []),
      this.renderSection("center", centerContent || []),
      this.renderSection("end", endContent || [])
    );
  }
  renderSection(key, widgetGroups) {
    let { props } = this;
    return y(ToolbarSection, { key, widgetGroups, title: props.title, navUnit: props.navUnit, activeButton: props.activeButton, isTodayEnabled: props.isTodayEnabled, isPrevEnabled: props.isPrevEnabled, isNextEnabled: props.isNextEnabled, titleId: props.titleId });
  }
};
var ViewHarness = class extends BaseComponent {
  constructor() {
    super(...arguments);
    this.state = {
      availableWidth: null
    };
    this.handleEl = (el) => {
      this.el = el;
      setRef(this.props.elRef, el);
      this.updateAvailableWidth();
    };
    this.handleResize = () => {
      this.updateAvailableWidth();
    };
  }
  render() {
    let { props, state } = this;
    let { aspectRatio } = props;
    let classNames = [
      "fc-view-harness",
      aspectRatio || props.liquid || props.height ? "fc-view-harness-active" : "fc-view-harness-passive"
      // let the view do the height
    ];
    let height = "";
    let paddingBottom = "";
    if (aspectRatio) {
      if (state.availableWidth !== null) {
        height = state.availableWidth / aspectRatio;
      } else {
        paddingBottom = `${1 / aspectRatio * 100}%`;
      }
    } else {
      height = props.height || "";
    }
    return y("div", { "aria-labelledby": props.labeledById, ref: this.handleEl, className: classNames.join(" "), style: { height, paddingBottom } }, props.children);
  }
  componentDidMount() {
    this.context.addResizeHandler(this.handleResize);
  }
  componentWillUnmount() {
    this.context.removeResizeHandler(this.handleResize);
  }
  updateAvailableWidth() {
    if (this.el && // needed. but why?
    this.props.aspectRatio) {
      this.setState({ availableWidth: this.el.offsetWidth });
    }
  }
};
var EventClicking = class extends Interaction {
  constructor(settings) {
    super(settings);
    this.handleSegClick = (ev, segEl) => {
      let { component } = this;
      let { context } = component;
      let seg = getElSeg(segEl);
      if (seg && // might be the <div> surrounding the more link
      component.isValidSegDownEl(ev.target)) {
        let hasUrlContainer = elementClosest(ev.target, ".fc-event-forced-url");
        let url = hasUrlContainer ? hasUrlContainer.querySelector("a[href]").href : "";
        context.emitter.trigger("eventClick", {
          el: segEl,
          event: new EventImpl(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
    );
  }
};
var EventHovering = class extends Interaction {
  constructor(settings) {
    super(settings);
    this.handleEventElRemove = (el) => {
      if (el === this.currentSegEl) {
        this.handleSegLeave(null, this.currentSegEl);
      }
    };
    this.handleSegEnter = (ev, segEl) => {
      if (getElSeg(segEl)) {
        this.currentSegEl = segEl;
        this.triggerEvent("eventMouseEnter", ev, segEl);
      }
    };
    this.handleSegLeave = (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
    );
  }
  destroy() {
    this.removeHoverListeners();
  }
  triggerEvent(publicEvName, ev, segEl) {
    let { component } = this;
    let { context } = component;
    let seg = getElSeg(segEl);
    if (!ev || component.isValidSegDownEl(ev.target)) {
      context.emitter.trigger(publicEvName, {
        el: segEl,
        event: new EventImpl(context, seg.eventRange.def, seg.eventRange.instance),
        jsEvent: ev,
        view: context.viewApi
      });
    }
  }
};
var CalendarContent = class extends PureComponent {
  constructor() {
    super(...arguments);
    this.buildViewContext = memoize(buildViewContext);
    this.buildViewPropTransformers = memoize(buildViewPropTransformers);
    this.buildToolbarProps = memoize(buildToolbarProps);
    this.headerRef = d();
    this.footerRef = d();
    this.interactionsStore = {};
    this.state = {
      viewLabelId: getUniqueDomId()
    };
    this.registerInteractiveComponent = (component, settingsInput) => {
      let settings = parseInteractionSettings(component, settingsInput);
      let DEFAULT_INTERACTIONS = [
        EventClicking,
        EventHovering
      ];
      let interactionClasses = DEFAULT_INTERACTIONS.concat(this.props.pluginHooks.componentInteractions);
      let interactions = interactionClasses.map((TheInteractionClass) => new TheInteractionClass(settings));
      this.interactionsStore[component.uid] = interactions;
      interactionSettingsStore[component.uid] = settings;
    };
    this.unregisterInteractiveComponent = (component) => {
      let listeners = this.interactionsStore[component.uid];
      if (listeners) {
        for (let listener of listeners) {
          listener.destroy();
        }
        delete this.interactionsStore[component.uid];
      }
      delete interactionSettingsStore[component.uid];
    };
    this.resizeRunner = new DelayedRunner(() => {
      this.props.emitter.trigger("_resize", true);
      this.props.emitter.trigger("windowResize", { view: this.props.viewApi });
    });
    this.handleWindowResize = (ev) => {
      let { options } = this.props;
      if (options.handleWindowResize && ev.target === window) {
        this.resizeRunner.request(options.windowResizeDelay);
      }
    };
  }
  /*
  renders INSIDE of an outer div
  */
  render() {
    let { props } = this;
    let { toolbarConfig, options } = props;
    let viewVGrow = false;
    let viewHeight = "";
    let 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);
    }
    let viewContext = this.buildViewContext(props.viewSpec, props.viewApi, props.options, props.dateProfileGenerator, props.dateEnv, props.nowManager, props.theme, props.pluginHooks, props.dispatch, props.getCurrentData, props.emitter, props.calendarApi, this.registerInteractiveComponent, this.unregisterInteractiveComponent);
    let viewLabelId = toolbarConfig.header && toolbarConfig.header.hasTitle ? this.state.viewLabelId : void 0;
    return y(
      ViewContextType.Provider,
      { value: viewContext },
      y(NowTimer, { unit: "day" }, (nowDate) => {
        let toolbarProps = this.buildToolbarProps(props.viewSpec, props.dateProfile, props.dateProfileGenerator, props.currentDate, nowDate, props.viewTitle);
        return y(
          _,
          null,
          toolbarConfig.header && y(Toolbar, Object.assign({ ref: this.headerRef, extraClassName: "fc-header-toolbar", model: toolbarConfig.header, titleId: viewLabelId }, toolbarProps)),
          y(
            ViewHarness,
            { liquid: viewVGrow, height: viewHeight, aspectRatio: viewAspectRatio, labeledById: viewLabelId },
            this.renderView(props),
            this.buildAppendContent()
          ),
          toolbarConfig.footer && y(Toolbar, Object.assign({ ref: this.footerRef, extraClassName: "fc-footer-toolbar", model: toolbarConfig.footer, titleId: "" }, toolbarProps))
        );
      })
    );
  }
  componentDidMount() {
    let { props } = this;
    this.calendarInteractions = props.pluginHooks.calendarInteractions.map((CalendarInteractionClass) => new CalendarInteractionClass(props));
    window.addEventListener("resize", this.handleWindowResize);
    let { propSetHandlers } = props.pluginHooks;
    for (let propName in propSetHandlers) {
      propSetHandlers[propName](props[propName], props);
    }
  }
  componentDidUpdate(prevProps) {
    let { props } = this;
    let { propSetHandlers } = props.pluginHooks;
    for (let propName in propSetHandlers) {
      if (props[propName] !== prevProps[propName]) {
        propSetHandlers[propName](props[propName], props);
      }
    }
  }
  componentWillUnmount() {
    window.removeEventListener("resize", this.handleWindowResize);
    this.resizeRunner.clear();
    for (let interaction of this.calendarInteractions) {
      interaction.destroy();
    }
    this.props.emitter.trigger("_unmount");
  }
  buildAppendContent() {
    let { props } = this;
    let children = props.pluginHooks.viewContainerAppends.map((buildAppendContent) => buildAppendContent(props));
    return y(_, {}, ...children);
  }
  renderView(props) {
    let { pluginHooks } = props;
    let { viewSpec } = props;
    let 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
    };
    let transformers = this.buildViewPropTransformers(pluginHooks.viewPropsTransformers);
    for (let transformer of transformers) {
      Object.assign(viewProps, transformer.transform(viewProps, props));
    }
    let ViewComponent = viewSpec.component;
    return y(ViewComponent, Object.assign({}, viewProps));
  }
};
function buildToolbarProps(viewSpec, dateProfile, dateProfileGenerator, currentDate, now, title) {
  let todayInfo = dateProfileGenerator.build(now, void 0, false);
  let prevInfo = dateProfileGenerator.buildPrev(dateProfile, currentDate, false);
  let nextInfo = dateProfileGenerator.buildNext(dateProfile, currentDate, false);
  return {
    title,
    activeButton: viewSpec.type,
    navUnit: viewSpec.singleUnit,
    isTodayEnabled: todayInfo.isValid && !rangeContainsMarker(dateProfile.currentRange, now),
    isPrevEnabled: prevInfo.isValid,
    isNextEnabled: nextInfo.isValid
  };
}
function buildViewPropTransformers(theClasses) {
  return theClasses.map((TheClass) => new TheClass());
}
var Calendar = class extends CalendarImpl {
  constructor(el, optionOverrides = {}) {
    super();
    this.isRendering = false;
    this.isRendered = false;
    this.currentClassNames = [];
    this.customContentRenderId = 0;
    this.handleAction = (action) => {
      switch (action.type) {
        case "SET_EVENT_DRAG":
        case "SET_EVENT_RESIZE":
          this.renderRunner.tryDrain();
      }
    };
    this.handleData = (data) => {
      this.currentData = data;
      this.renderRunner.request(data.calendarOptions.rerenderDelay);
    };
    this.handleRenderRequest = () => {
      if (this.isRendering) {
        this.isRendered = true;
        let { currentData } = this;
        flushSync(() => {
          D(y(CalendarRoot, { options: currentData.calendarOptions, theme: currentData.theme, emitter: currentData.emitter }, (classNames, height, isHeightAuto, forPrint) => {
            this.setClassNames(classNames);
            this.setHeight(height);
            return y(
              RenderId.Provider,
              { value: this.customContentRenderId },
              y(CalendarContent, Object.assign({ isHeightAuto, forPrint }, currentData))
            );
          }), this.el);
        });
      } else if (this.isRendered) {
        this.isRendered = false;
        D(null, this.el);
        this.setClassNames([]);
        this.setHeight("");
      }
    };
    ensureElHasStyles(el);
    this.el = el;
    this.renderRunner = new DelayedRunner(this.handleRenderRequest);
    new CalendarDataManager({
      optionOverrides,
      calendarApi: this,
      onAction: this.handleAction,
      onData: this.handleData
    });
  }
  render() {
    let wasRendering = this.isRendering;
    if (!wasRendering) {
      this.isRendering = true;
    } else {
      this.customContentRenderId += 1;
    }
    this.renderRunner.request();
    if (wasRendering) {
      this.updateSize();
    }
  }
  destroy() {
    if (this.isRendering) {
      this.isRendering = false;
      this.renderRunner.request();
    }
  }
  updateSize() {
    flushSync(() => {
      super.updateSize();
    });
  }
  batchRendering(func) {
    this.renderRunner.pause("batchRendering");
    func();
    this.renderRunner.resume("batchRendering");
  }
  pauseRendering() {
    this.renderRunner.pause("pauseRendering");
  }
  resumeRendering() {
    this.renderRunner.resume("pauseRendering", true);
  }
  resetOptions(optionOverrides, changedOptionNames) {
    this.currentDataManager.resetOptions(optionOverrides, changedOptionNames);
  }
  setClassNames(classNames) {
    if (!isArraysEqual(classNames, this.currentClassNames)) {
      let { classList } = this.el;
      for (let className of this.currentClassNames) {
        classList.remove(className);
      }
      for (let className of classNames) {
        classList.add(className);
      }
      this.currentClassNames = classNames;
    }
  }
  setHeight(height) {
    applyStyleProp(this.el, "height", height);
  }
};

export {
  y,
  d,
  _,
  injectStyles,
  removeElement,
  elementClosest,
  elementMatches,
  applyStyle,
  getEventTargetViaRoot,
  getUniqueDomId,
  whenTransitionDone,
  disableCursor,
  enableCursor,
  preventSelection,
  allowSelection,
  preventContextMenu,
  allowContextMenu,
  compareNumbers,
  createDuration,
  addDurations,
  multiplyDuration,
  asRoughMs,
  wholeDivideDurations,
  addWeeks,
  addDays,
  addMs,
  diffWeeks,
  diffDays,
  startOfDay,
  buildIsoString,
  formatDayString,
  formatIsoMonthStr,
  formatIsoTimeString,
  memoize,
  createFormatter,
  BASE_OPTION_DEFAULTS,
  identity,
  mapHash,
  isPropsEqual,
  ViewContextType,
  BaseComponent,
  setRef,
  ContentContainer,
  ViewContainer,
  intersectRanges,
  rangeContainsRange,
  rangeContainsMarker,
  diffDates,
  DateProfileGenerator,
  createEventInstance,
  refineEventDef,
  parseEventDef,
  eventTupleToStore,
  getRelevantEvents,
  createEmptyEventStore,
  Emitter,
  triggerDateSelect,
  getDefaultEventEnd,
  applyMutationToEventStore,
  EventImpl,
  buildEventApis,
  hasBgRendering,
  getElSeg,
  sortEventSegs,
  buildSegTimeText,
  getSegMeta,
  buildEventRangeKey,
  getSegAnchorAttrs,
  isDateSpansEqual,
  Interaction,
  interactionSettingsToStore,
  interactionSettingsStore,
  NowTimer,
  pointInsideRect,
  intersectRects,
  constrainPoint,
  getRectCenter,
  diffPoints,
  Splitter,
  buildNavLinkAttrs,
  computeInnerRect,
  computeRect,
  getClippingParents,
  PositionCache,
  ScrollController,
  ElementScrollController,
  WindowScrollController,
  DateComponent,
  SegHierarchy,
  getEntrySpanEnd,
  buildEntryKey,
  groupIntersectingEntries,
  intersectSpans,
  binarySearch,
  ElementDragging,
  config,
  parseDragMeta,
  DayHeader,
  DaySeriesModel,
  DayTableModel,
  Slicer,
  isInteractionValid,
  isDateSelectionValid,
  RefMap,
  renderScrollShim,
  getStickyHeaderDates,
  getStickyFooterScrollbar,
  SimpleScrollGrid,
  EventContainer,
  StandardEvent,
  NowIndicatorContainer,
  DayCellContainer,
  hasCustomDayCellContent,
  BgEvent,
  renderFill,
  WeekNumberContainer,
  MoreLinkContainer,
  computeEarliestSegStart,
  CustomRenderingStore,
  createPlugin,
  Calendar
};
//# sourceMappingURL=chunk-T32CP5XD.js.map
