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@popperjs/core/dist/umd/popper-lite.js

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1/**
* @popperjs/core v2.11.5 - MIT License
*/
4
5(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.Popper = {}));
9}(this, (function (exports) { 'use strict';
10
function getWindow(node) {
  if (node == null) {
    return window;
  }
15
  if (node.toString() !== '[object Window]') {
    var ownerDocument = node.ownerDocument;
    return ownerDocument ? ownerDocument.defaultView || window : window;
  }
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  return node;
}
23
function isElement(node) {
  var OwnElement = getWindow(node).Element;
  return node instanceof OwnElement || node instanceof Element;
}
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function isHTMLElement(node) {
  var OwnElement = getWindow(node).HTMLElement;
  return node instanceof OwnElement || node instanceof HTMLElement;
}
33
function isShadowRoot(node) {
  // IE 11 has no ShadowRoot
  if (typeof ShadowRoot === 'undefined') {
    return false;
  }
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  var OwnElement = getWindow(node).ShadowRoot;
  return node instanceof OwnElement || node instanceof ShadowRoot;
}
43
var max = Math.max;
var min = Math.min;
var round = Math.round;
47
function getBoundingClientRect(element, includeScale) {
  if (includeScale === void 0) {
    includeScale = false;
  }
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  var rect = element.getBoundingClientRect();
  var scaleX = 1;
  var scaleY = 1;
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  if (isHTMLElement(element) && includeScale) {
    var offsetHeight = element.offsetHeight;
    var offsetWidth = element.offsetWidth; // Do not attempt to divide by 0, otherwise we get `Infinity` as scale
    // Fallback to 1 in case both values are `0`
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    if (offsetWidth > 0) {
      scaleX = round(rect.width) / offsetWidth || 1;
    }
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    if (offsetHeight > 0) {
      scaleY = round(rect.height) / offsetHeight || 1;
    }
  }
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  return {
    width: rect.width / scaleX,
    height: rect.height / scaleY,
    top: rect.top / scaleY,
    right: rect.right / scaleX,
    bottom: rect.bottom / scaleY,
    left: rect.left / scaleX,
    x: rect.left / scaleX,
    y: rect.top / scaleY
  };
}
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function getWindowScroll(node) {
  var win = getWindow(node);
  var scrollLeft = win.pageXOffset;
  var scrollTop = win.pageYOffset;
  return {
    scrollLeft: scrollLeft,
    scrollTop: scrollTop
  };
}
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function getHTMLElementScroll(element) {
  return {
    scrollLeft: element.scrollLeft,
    scrollTop: element.scrollTop
  };
}
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function getNodeScroll(node) {
  if (node === getWindow(node) || !isHTMLElement(node)) {
    return getWindowScroll(node);
  } else {
    return getHTMLElementScroll(node);
  }
}
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function getNodeName(element) {
  return element ? (element.nodeName || '').toLowerCase() : null;
}
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function getDocumentElement(element) {
  // $FlowFixMe[incompatible-return]: assume body is always available
  return ((isElement(element) ? element.ownerDocument : // $FlowFixMe[prop-missing]
  element.document) || window.document).documentElement;
}
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function getWindowScrollBarX(element) {
  // If <html> has a CSS width greater than the viewport, then this will be
  // incorrect for RTL.
  // Popper 1 is broken in this case and never had a bug report so let's assume
  // it's not an issue. I don't think anyone ever specifies width on <html>
  // anyway.
  // Browsers where the left scrollbar doesn't cause an issue report `0` for
  // this (e.g. Edge 2019, IE11, Safari)
  return getBoundingClientRect(getDocumentElement(element)).left + getWindowScroll(element).scrollLeft;
}
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function getComputedStyle(element) {
  return getWindow(element).getComputedStyle(element);
}
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function isScrollParent(element) {
  // Firefox wants us to check `-x` and `-y` variations as well
  var _getComputedStyle = getComputedStyle(element),
      overflow = _getComputedStyle.overflow,
      overflowX = _getComputedStyle.overflowX,
      overflowY = _getComputedStyle.overflowY;
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  return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX);
}
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function isElementScaled(element) {
  var rect = element.getBoundingClientRect();
  var scaleX = round(rect.width) / element.offsetWidth || 1;
  var scaleY = round(rect.height) / element.offsetHeight || 1;
  return scaleX !== 1 || scaleY !== 1;
} // Returns the composite rect of an element relative to its offsetParent.
// Composite means it takes into account transforms as well as layout.
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function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) {
  if (isFixed === void 0) {
    isFixed = false;
  }
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  var isOffsetParentAnElement = isHTMLElement(offsetParent);
  var offsetParentIsScaled = isHTMLElement(offsetParent) && isElementScaled(offsetParent);
  var documentElement = getDocumentElement(offsetParent);
  var rect = getBoundingClientRect(elementOrVirtualElement, offsetParentIsScaled);
  var scroll = {
    scrollLeft: 0,
    scrollTop: 0
  };
  var offsets = {
    x: 0,
    y: 0
  };
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  if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {
    if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078
    isScrollParent(documentElement)) {
      scroll = getNodeScroll(offsetParent);
    }
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    if (isHTMLElement(offsetParent)) {
      offsets = getBoundingClientRect(offsetParent, true);
      offsets.x += offsetParent.clientLeft;
      offsets.y += offsetParent.clientTop;
    } else if (documentElement) {
      offsets.x = getWindowScrollBarX(documentElement);
    }
  }
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  return {
    x: rect.left + scroll.scrollLeft - offsets.x,
    y: rect.top + scroll.scrollTop - offsets.y,
    width: rect.width,
    height: rect.height
  };
}
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// means it doesn't take into account transforms.
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function getLayoutRect(element) {
  var clientRect = getBoundingClientRect(element); // Use the clientRect sizes if it's not been transformed.
  // Fixes https://github.com/popperjs/popper-core/issues/1223
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  var width = element.offsetWidth;
  var height = element.offsetHeight;
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  if (Math.abs(clientRect.width - width) <= 1) {
    width = clientRect.width;
  }
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  if (Math.abs(clientRect.height - height) <= 1) {
    height = clientRect.height;
  }
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  return {
    x: element.offsetLeft,
    y: element.offsetTop,
    width: width,
    height: height
  };
}
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function getParentNode(element) {
  if (getNodeName(element) === 'html') {
    return element;
  }
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  return (// this is a quicker (but less type safe) way to save quite some bytes from the bundle
    // $FlowFixMe[incompatible-return]
    // $FlowFixMe[prop-missing]
    element.assignedSlot || // step into the shadow DOM of the parent of a slotted node
    element.parentNode || ( // DOM Element detected
    isShadowRoot(element) ? element.host : null) || // ShadowRoot detected
    // $FlowFixMe[incompatible-call]: HTMLElement is a Node
    getDocumentElement(element) // fallback
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  );
}
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function getScrollParent(node) {
  if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) {
    // $FlowFixMe[incompatible-return]: assume body is always available
    return node.ownerDocument.body;
  }
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  if (isHTMLElement(node) && isScrollParent(node)) {
    return node;
  }
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  return getScrollParent(getParentNode(node));
}
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/*
given a DOM element, return the list of all scroll parents, up the list of ancesors
until we get to the top window object. This list is what we attach scroll listeners
to, because if any of these parent elements scroll, we'll need to re-calculate the
reference element's position.
*/
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function listScrollParents(element, list) {
  var _element$ownerDocumen;
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  if (list === void 0) {
    list = [];
  }
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  var scrollParent = getScrollParent(element);
  var isBody = scrollParent === ((_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body);
  var win = getWindow(scrollParent);
  var target = isBody ? [win].concat(win.visualViewport || [], isScrollParent(scrollParent) ? scrollParent : []) : scrollParent;
  var updatedList = list.concat(target);
  return isBody ? updatedList : // $FlowFixMe[incompatible-call]: isBody tells us target will be an HTMLElement here
  updatedList.concat(listScrollParents(getParentNode(target)));
}
270
function isTableElement(element) {
  return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0;
}
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function getTrueOffsetParent(element) {
  if (!isHTMLElement(element) || // https://github.com/popperjs/popper-core/issues/837
  getComputedStyle(element).position === 'fixed') {
    return null;
  }
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  return element.offsetParent;
} // `.offsetParent` reports `null` for fixed elements, while absolute elements
// return the containing block
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function getContainingBlock(element) {
  var isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') !== -1;
  var isIE = navigator.userAgent.indexOf('Trident') !== -1;
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  if (isIE && isHTMLElement(element)) {
    // In IE 9, 10 and 11 fixed elements containing block is always established by the viewport
    var elementCss = getComputedStyle(element);
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    if (elementCss.position === 'fixed') {
      return null;
    }
  }
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  var currentNode = getParentNode(element);
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  if (isShadowRoot(currentNode)) {
    currentNode = currentNode.host;
  }
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  while (isHTMLElement(currentNode) && ['html', 'body'].indexOf(getNodeName(currentNode)) < 0) {
    var css = getComputedStyle(currentNode); // This is non-exhaustive but covers the most common CSS properties that
    // create a containing block.
    // https://developer.mozilla.org/en-US/docs/Web/CSS/Containing_block#identifying_the_containing_block
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    if (css.transform !== 'none' || css.perspective !== 'none' || css.contain === 'paint' || ['transform', 'perspective'].indexOf(css.willChange) !== -1 || isFirefox && css.willChange === 'filter' || isFirefox && css.filter && css.filter !== 'none') {
      return currentNode;
    } else {
      currentNode = currentNode.parentNode;
    }
  }
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  return null;
} // Gets the closest ancestor positioned element. Handles some edge cases,
// such as table ancestors and cross browser bugs.
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function getOffsetParent(element) {
  var window = getWindow(element);
  var offsetParent = getTrueOffsetParent(element);
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  while (offsetParent && isTableElement(offsetParent) && getComputedStyle(offsetParent).position === 'static') {
    offsetParent = getTrueOffsetParent(offsetParent);
  }
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  if (offsetParent && (getNodeName(offsetParent) === 'html' || getNodeName(offsetParent) === 'body' && getComputedStyle(offsetParent).position === 'static')) {
    return window;
  }
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  return offsetParent || getContainingBlock(element) || window;
}
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var top = 'top';
var bottom = 'bottom';
var right = 'right';
var left = 'left';
var auto = 'auto';
var basePlacements = [top, bottom, right, left];
var start = 'start';
var end = 'end';
var clippingParents = 'clippingParents';
var viewport = 'viewport';
var popper = 'popper';
var reference = 'reference';
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var beforeRead = 'beforeRead';
var read = 'read';
var afterRead = 'afterRead'; // pure-logic modifiers
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var beforeMain = 'beforeMain';
var main = 'main';
var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state)
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var beforeWrite = 'beforeWrite';
var write = 'write';
var afterWrite = 'afterWrite';
var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite];
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function order(modifiers) {
  var map = new Map();
  var visited = new Set();
  var result = [];
  modifiers.forEach(function (modifier) {
    map.set(modifier.name, modifier);
  }); // On visiting object, check for its dependencies and visit them recursively
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  function sort(modifier) {
    visited.add(modifier.name);
    var requires = [].concat(modifier.requires || [], modifier.requiresIfExists || []);
    requires.forEach(function (dep) {
      if (!visited.has(dep)) {
        var depModifier = map.get(dep);
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        if (depModifier) {
          sort(depModifier);
        }
      }
    });
    result.push(modifier);
  }
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  modifiers.forEach(function (modifier) {
    if (!visited.has(modifier.name)) {
      // check for visited object
      sort(modifier);
    }
  });
  return result;
}
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function orderModifiers(modifiers) {
  // order based on dependencies
  var orderedModifiers = order(modifiers); // order based on phase
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  return modifierPhases.reduce(function (acc, phase) {
    return acc.concat(orderedModifiers.filter(function (modifier) {
      return modifier.phase === phase;
    }));
  }, []);
}
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function debounce(fn) {
  var pending;
  return function () {
    if (!pending) {
      pending = new Promise(function (resolve) {
        Promise.resolve().then(function () {
          pending = undefined;
          resolve(fn());
        });
      });
    }
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    return pending;
  };
}
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function format(str) {
  for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    args[_key - 1] = arguments[_key];
  }
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  return [].concat(args).reduce(function (p, c) {
    return p.replace(/%s/, c);
  }, str);
}
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var INVALID_MODIFIER_ERROR = 'Popper: modifier "%s" provided an invalid %s property, expected %s but got %s';
var MISSING_DEPENDENCY_ERROR = 'Popper: modifier "%s" requires "%s", but "%s" modifier is not available';
var VALID_PROPERTIES = ['name', 'enabled', 'phase', 'fn', 'effect', 'requires', 'options'];
function validateModifiers(modifiers) {
  modifiers.forEach(function (modifier) {
    [].concat(Object.keys(modifier), VALID_PROPERTIES) // IE11-compatible replacement for `new Set(iterable)`
    .filter(function (value, index, self) {
      return self.indexOf(value) === index;
    }).forEach(function (key) {
      switch (key) {
        case 'name':
          if (typeof modifier.name !== 'string') {
            console.error(format(INVALID_MODIFIER_ERROR, String(modifier.name), '"name"', '"string"', "\"" + String(modifier.name) + "\""));
          }
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          break;
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        case 'enabled':
          if (typeof modifier.enabled !== 'boolean') {
            console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"enabled"', '"boolean"', "\"" + String(modifier.enabled) + "\""));
          }
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          break;
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        case 'phase':
          if (modifierPhases.indexOf(modifier.phase) < 0) {
            console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"phase"', "either " + modifierPhases.join(', '), "\"" + String(modifier.phase) + "\""));
          }
460
          break;
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        case 'fn':
          if (typeof modifier.fn !== 'function') {
            console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"fn"', '"function"', "\"" + String(modifier.fn) + "\""));
          }
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          break;
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        case 'effect':
          if (modifier.effect != null && typeof modifier.effect !== 'function') {
            console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"effect"', '"function"', "\"" + String(modifier.fn) + "\""));
          }
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          break;
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        case 'requires':
          if (modifier.requires != null && !Array.isArray(modifier.requires)) {
            console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"requires"', '"array"', "\"" + String(modifier.requires) + "\""));
          }
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          break;
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        case 'requiresIfExists':
          if (!Array.isArray(modifier.requiresIfExists)) {
            console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"requiresIfExists"', '"array"', "\"" + String(modifier.requiresIfExists) + "\""));
          }
488
          break;
490
        case 'options':
        case 'data':
          break;
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        default:
          console.error("PopperJS: an invalid property has been provided to the \"" + modifier.name + "\" modifier, valid properties are " + VALID_PROPERTIES.map(function (s) {
            return "\"" + s + "\"";
          }).join(', ') + "; but \"" + key + "\" was provided.");
      }
500
      modifier.requires && modifier.requires.forEach(function (requirement) {
        if (modifiers.find(function (mod) {
          return mod.name === requirement;
        }) == null) {
          console.error(format(MISSING_DEPENDENCY_ERROR, String(modifier.name), requirement, requirement));
        }
      });
    });
  });
}
511
function uniqueBy(arr, fn) {
  var identifiers = new Set();
  return arr.filter(function (item) {
    var identifier = fn(item);
516
    if (!identifiers.has(identifier)) {
      identifiers.add(identifier);
      return true;
    }
  });
}
523
function getBasePlacement(placement) {
  return placement.split('-')[0];
}
527
function mergeByName(modifiers) {
  var merged = modifiers.reduce(function (merged, current) {
    var existing = merged[current.name];
    merged[current.name] = existing ? Object.assign({}, existing, current, {
      options: Object.assign({}, existing.options, current.options),
      data: Object.assign({}, existing.data, current.data)
    }) : current;
    return merged;
  }, {}); // IE11 does not support Object.values
537
  return Object.keys(merged).map(function (key) {
    return merged[key];
  });
}
542
function getViewportRect(element) {
  var win = getWindow(element);
  var html = getDocumentElement(element);
  var visualViewport = win.visualViewport;
  var width = html.clientWidth;
  var height = html.clientHeight;
  var x = 0;
  var y = 0; // NB: This isn't supported on iOS <= 12. If the keyboard is open, the popper
  // can be obscured underneath it.
  // Also, `html.clientHeight` adds the bottom bar height in Safari iOS, even
  // if it isn't open, so if this isn't available, the popper will be detected
  // to overflow the bottom of the screen too early.
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  if (visualViewport) {
    width = visualViewport.width;
    height = visualViewport.height; // Uses Layout Viewport (like Chrome; Safari does not currently)
    // In Chrome, it returns a value very close to 0 (+/-) but contains rounding
    // errors due to floating point numbers, so we need to check precision.
    // Safari returns a number <= 0, usually < -1 when pinch-zoomed
    // Feature detection fails in mobile emulation mode in Chrome.
    // Math.abs(win.innerWidth / visualViewport.scale - visualViewport.width) <
    // 0.001
    // Fallback here: "Not Safari" userAgent
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    if (!/^((?!chrome|android).)*safari/i.test(navigator.userAgent)) {
      x = visualViewport.offsetLeft;
      y = visualViewport.offsetTop;
    }
  }
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  return {
    width: width,
    height: height,
    x: x + getWindowScrollBarX(element),
    y: y
  };
}
580
// of the `<html>` and `<body>` rect bounds if horizontally scrollable
582
function getDocumentRect(element) {
  var _element$ownerDocumen;
585
  var html = getDocumentElement(element);
  var winScroll = getWindowScroll(element);
  var body = (_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body;
  var width = max(html.scrollWidth, html.clientWidth, body ? body.scrollWidth : 0, body ? body.clientWidth : 0);
  var height = max(html.scrollHeight, html.clientHeight, body ? body.scrollHeight : 0, body ? body.clientHeight : 0);
  var x = -winScroll.scrollLeft + getWindowScrollBarX(element);
  var y = -winScroll.scrollTop;
593
  if (getComputedStyle(body || html).direction === 'rtl') {
    x += max(html.clientWidth, body ? body.clientWidth : 0) - width;
  }
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  return {
    width: width,
    height: height,
    x: x,
    y: y
  };
}
605
function contains(parent, child) {
  var rootNode = child.getRootNode && child.getRootNode(); // First, attempt with faster native method
608
  if (parent.contains(child)) {
    return true;
  } // then fallback to custom implementation with Shadow DOM support
  else if (rootNode && isShadowRoot(rootNode)) {
      var next = child;
614
      do {
        if (next && parent.isSameNode(next)) {
          return true;
        } // $FlowFixMe[prop-missing]: need a better way to handle this...
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        next = next.parentNode || next.host;
      } while (next);
    } // Give up, the result is false
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  return false;
}
628
function rectToClientRect(rect) {
  return Object.assign({}, rect, {
    left: rect.x,
    top: rect.y,
    right: rect.x + rect.width,
    bottom: rect.y + rect.height
  });
}
637
function getInnerBoundingClientRect(element) {
  var rect = getBoundingClientRect(element);
  rect.top = rect.top + element.clientTop;
  rect.left = rect.left + element.clientLeft;
  rect.bottom = rect.top + element.clientHeight;
  rect.right = rect.left + element.clientWidth;
  rect.width = element.clientWidth;
  rect.height = element.clientHeight;
  rect.x = rect.left;
  rect.y = rect.top;
  return rect;
}
650
function getClientRectFromMixedType(element, clippingParent) {
  return clippingParent === viewport ? rectToClientRect(getViewportRect(element)) : isElement(clippingParent) ? getInnerBoundingClientRect(clippingParent) : rectToClientRect(getDocumentRect(getDocumentElement(element)));
} // A "clipping parent" is an overflowable container with the characteristic of
// clipping (or hiding) overflowing elements with a position different from
// `initial`
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function getClippingParents(element) {
  var clippingParents = listScrollParents(getParentNode(element));
  var canEscapeClipping = ['absolute', 'fixed'].indexOf(getComputedStyle(element).position) >= 0;
  var clipperElement = canEscapeClipping && isHTMLElement(element) ? getOffsetParent(element) : element;
662
  if (!isElement(clipperElement)) {
    return [];
  } // $FlowFixMe[incompatible-return]: https://github.com/facebook/flow/issues/1414
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  return clippingParents.filter(function (clippingParent) {
    return isElement(clippingParent) && contains(clippingParent, clipperElement) && getNodeName(clippingParent) !== 'body';
  });
} // Gets the maximum area that the element is visible in due to any number of
// clipping parents
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function getClippingRect(element, boundary, rootBoundary) {
  var mainClippingParents = boundary === 'clippingParents' ? getClippingParents(element) : [].concat(boundary);
  var clippingParents = [].concat(mainClippingParents, [rootBoundary]);
  var firstClippingParent = clippingParents[0];
  var clippingRect = clippingParents.reduce(function (accRect, clippingParent) {
    var rect = getClientRectFromMixedType(element, clippingParent);
    accRect.top = max(rect.top, accRect.top);
    accRect.right = min(rect.right, accRect.right);
    accRect.bottom = min(rect.bottom, accRect.bottom);
    accRect.left = max(rect.left, accRect.left);
    return accRect;
  }, getClientRectFromMixedType(element, firstClippingParent));
  clippingRect.width = clippingRect.right - clippingRect.left;
  clippingRect.height = clippingRect.bottom - clippingRect.top;
  clippingRect.x = clippingRect.left;
  clippingRect.y = clippingRect.top;
  return clippingRect;
}
693
function getVariation(placement) {
  return placement.split('-')[1];
}
697
function getMainAxisFromPlacement(placement) {
  return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y';
}
701
function computeOffsets(_ref) {
  var reference = _ref.reference,
      element = _ref.element,
      placement = _ref.placement;
  var basePlacement = placement ? getBasePlacement(placement) : null;
  var variation = placement ? getVariation(placement) : null;
  var commonX = reference.x + reference.width / 2 - element.width / 2;
  var commonY = reference.y + reference.height / 2 - element.height / 2;
  var offsets;
711
  switch (basePlacement) {
    case top:
      offsets = {
        x: commonX,
        y: reference.y - element.height
      };
      break;
719
    case bottom:
      offsets = {
        x: commonX,
        y: reference.y + reference.height
      };
      break;
726
    case right:
      offsets = {
        x: reference.x + reference.width,
        y: commonY
      };
      break;
733
    case left:
      offsets = {
        x: reference.x - element.width,
        y: commonY
      };
      break;
740
    default:
      offsets = {
        x: reference.x,
        y: reference.y
      };
  }
747
  var mainAxis = basePlacement ? getMainAxisFromPlacement(basePlacement) : null;
749
  if (mainAxis != null) {
    var len = mainAxis === 'y' ? 'height' : 'width';
752
    switch (variation) {
      case start:
        offsets[mainAxis] = offsets[mainAxis] - (reference[len] / 2 - element[len] / 2);
        break;
757
      case end:
        offsets[mainAxis] = offsets[mainAxis] + (reference[len] / 2 - element[len] / 2);
        break;
    }
  }
763
  return offsets;
}
766
function getFreshSideObject() {
  return {
    top: 0,
    right: 0,
    bottom: 0,
    left: 0
  };
}
775
function mergePaddingObject(paddingObject) {
  return Object.assign({}, getFreshSideObject(), paddingObject);
}
779
function expandToHashMap(value, keys) {
  return keys.reduce(function (hashMap, key) {
    hashMap[key] = value;
    return hashMap;
  }, {});
}
786
function detectOverflow(state, options) {
  if (options === void 0) {
    options = {};
  }
791
  var _options = options,
      _options$placement = _options.placement,
      placement = _options$placement === void 0 ? state.placement : _options$placement,
      _options$boundary = _options.boundary,
      boundary = _options$boundary === void 0 ? clippingParents : _options$boundary,
      _options$rootBoundary = _options.rootBoundary,
      rootBoundary = _options$rootBoundary === void 0 ? viewport : _options$rootBoundary,
      _options$elementConte = _options.elementContext,
      elementContext = _options$elementConte === void 0 ? popper : _options$elementConte,
      _options$altBoundary = _options.altBoundary,
      altBoundary = _options$altBoundary === void 0 ? false : _options$altBoundary,
      _options$padding = _options.padding,
      padding = _options$padding === void 0 ? 0 : _options$padding;
  var paddingObject = mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements));
  var altContext = elementContext === popper ? reference : popper;
  var popperRect = state.rects.popper;
  var element = state.elements[altBoundary ? altContext : elementContext];
  var clippingClientRect = getClippingRect(isElement(element) ? element : element.contextElement || getDocumentElement(state.elements.popper), boundary, rootBoundary);
  var referenceClientRect = getBoundingClientRect(state.elements.reference);
  var popperOffsets = computeOffsets({
    reference: referenceClientRect,
    element: popperRect,
    strategy: 'absolute',
    placement: placement
  });
  var popperClientRect = rectToClientRect(Object.assign({}, popperRect, popperOffsets));
  var elementClientRect = elementContext === popper ? popperClientRect : referenceClientRect; // positive = overflowing the clipping rect
  // 0 or negative = within the clipping rect
820
  var overflowOffsets = {
    top: clippingClientRect.top - elementClientRect.top + paddingObject.top,
    bottom: elementClientRect.bottom - clippingClientRect.bottom + paddingObject.bottom,
    left: clippingClientRect.left - elementClientRect.left + paddingObject.left,
    right: elementClientRect.right - clippingClientRect.right + paddingObject.right
  };
  var offsetData = state.modifiersData.offset; // Offsets can be applied only to the popper element
828
  if (elementContext === popper && offsetData) {
    var offset = offsetData[placement];
    Object.keys(overflowOffsets).forEach(function (key) {
      var multiply = [right, bottom].indexOf(key) >= 0 ? 1 : -1;
      var axis = [top, bottom].indexOf(key) >= 0 ? 'y' : 'x';
      overflowOffsets[key] += offset[axis] * multiply;
    });
  }
837
  return overflowOffsets;
}
840
var INVALID_ELEMENT_ERROR = 'Popper: Invalid reference or popper argument provided. They must be either a DOM element or virtual element.';
var INFINITE_LOOP_ERROR = 'Popper: An infinite loop in the modifiers cycle has been detected! The cycle has been interrupted to prevent a browser crash.';
var DEFAULT_OPTIONS = {
  placement: 'bottom',
  modifiers: [],
  strategy: 'absolute'
};
848
function areValidElements() {
  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
    args[_key] = arguments[_key];
  }
853
  return !args.some(function (element) {
    return !(element && typeof element.getBoundingClientRect === 'function');
  });
}
858
function popperGenerator(generatorOptions) {
  if (generatorOptions === void 0) {
    generatorOptions = {};
  }
863
  var _generatorOptions = generatorOptions,
      _generatorOptions$def = _generatorOptions.defaultModifiers,
      defaultModifiers = _generatorOptions$def === void 0 ? [] : _generatorOptions$def,
      _generatorOptions$def2 = _generatorOptions.defaultOptions,
      defaultOptions = _generatorOptions$def2 === void 0 ? DEFAULT_OPTIONS : _generatorOptions$def2;
  return function createPopper(reference, popper, options) {
    if (options === void 0) {
      options = defaultOptions;
    }
873
    var state = {
      placement: 'bottom',
      orderedModifiers: [],
      options: Object.assign({}, DEFAULT_OPTIONS, defaultOptions),
      modifiersData: {},
      elements: {
        reference: reference,
        popper: popper
      },
      attributes: {},
      styles: {}
    };
    var effectCleanupFns = [];
    var isDestroyed = false;
    var instance = {
      state: state,
      setOptions: function setOptions(setOptionsAction) {
        var options = typeof setOptionsAction === 'function' ? setOptionsAction(state.options) : setOptionsAction;
        cleanupModifierEffects();
        state.options = Object.assign({}, defaultOptions, state.options, options);
        state.scrollParents = {
          reference: isElement(reference) ? listScrollParents(reference) : reference.contextElement ? listScrollParents(reference.contextElement) : [],
          popper: listScrollParents(popper)
        }; // Orders the modifiers based on their dependencies and `phase`
        // properties
899
        var orderedModifiers = orderModifiers(mergeByName([].concat(defaultModifiers, state.options.modifiers))); // Strip out disabled modifiers
901
        state.orderedModifiers = orderedModifiers.filter(function (m) {
          return m.enabled;
        }); // Validate the provided modifiers so that the consumer will get warned
        // if one of the modifiers is invalid for any reason
906
        {
          var modifiers = uniqueBy([].concat(orderedModifiers, state.options.modifiers), function (_ref) {
            var name = _ref.name;
            return name;
          });
          validateModifiers(modifiers);
913
          if (getBasePlacement(state.options.placement) === auto) {
            var flipModifier = state.orderedModifiers.find(function (_ref2) {
              var name = _ref2.name;
              return name === 'flip';
            });
919
            if (!flipModifier) {
              console.error(['Popper: "auto" placements require the "flip" modifier be', 'present and enabled to work.'].join(' '));
            }
          }
924
          var _getComputedStyle = getComputedStyle(popper),
              marginTop = _getComputedStyle.marginTop,
              marginRight = _getComputedStyle.marginRight,
              marginBottom = _getComputedStyle.marginBottom,
              marginLeft = _getComputedStyle.marginLeft; // We no longer take into account `margins` on the popper, and it can
          // cause bugs with positioning, so we'll warn the consumer
931
932
          if ([marginTop, marginRight, marginBottom, marginLeft].some(function (margin) {
            return parseFloat(margin);
          })) {
            console.warn(['Popper: CSS "margin" styles cannot be used to apply padding', 'between the popper and its reference element or boundary.', 'To replicate margin, use the `offset` modifier, as well as', 'the `padding` option in the `preventOverflow` and `flip`', 'modifiers.'].join(' '));
          }
        }
939
        runModifierEffects();
        return instance.update();
      },
      // Sync update – it will always be executed, even if not necessary. This
      // is useful for low frequency updates where sync behavior simplifies the
      // logic.
      // For high frequency updates (e.g. `resize` and `scroll` events), always
      // prefer the async Popper#update method
      forceUpdate: function forceUpdate() {
        if (isDestroyed) {
          return;
        }
952
        var _state$elements = state.elements,
            reference = _state$elements.reference,
            popper = _state$elements.popper; // Don't proceed if `reference` or `popper` are not valid elements
        // anymore
957
        if (!areValidElements(reference, popper)) {
          {
            console.error(INVALID_ELEMENT_ERROR);
          }
962
          return;
        } // Store the reference and popper rects to be read by modifiers
965
966
        state.rects = {
          reference: getCompositeRect(reference, getOffsetParent(popper), state.options.strategy === 'fixed'),
          popper: getLayoutRect(popper)
        }; // Modifiers have the ability to reset the current update cycle. The
        // most common use case for this is the `flip` modifier changing the
        // placement, which then needs to re-run all the modifiers, because the
        // logic was previously ran for the previous placement and is therefore
        // stale/incorrect
975
        state.reset = false;
        state.placement = state.options.placement; // On each update cycle, the `modifiersData` property for each modifier
        // is filled with the initial data specified by the modifier. This means
        // it doesn't persist and is fresh on each update.
        // To ensure persistent data, use `${name}#persistent`
981
        state.orderedModifiers.forEach(function (modifier) {
          return state.modifiersData[modifier.name] = Object.assign({}, modifier.data);
        });
        var __debug_loops__ = 0;
986
        for (var index = 0; index < state.orderedModifiers.length; index++) {
          {
            __debug_loops__ += 1;
990
            if (__debug_loops__ > 100) {
              console.error(INFINITE_LOOP_ERROR);
              break;
            }
          }
996
          if (state.reset === true) {
            state.reset = false;
            index = -1;
            continue;
          }
1002
          var _state$orderedModifie = state.orderedModifiers[index],
              fn = _state$orderedModifie.fn,
              _state$orderedModifie2 = _state$orderedModifie.options,
              _options = _state$orderedModifie2 === void 0 ? {} : _state$orderedModifie2,
              name = _state$orderedModifie.name;
1008
          if (typeof fn === 'function') {
            state = fn({
              state: state,
              options: _options,
              name: name,
              instance: instance
            }) || state;
          }
        }
      },
      // Async and optimistically optimized update – it will not be executed if
      // not necessary (debounced to run at most once-per-tick)
      update: debounce(function () {
        return new Promise(function (resolve) {
          instance.forceUpdate();
          resolve(state);
        });
      }),
      destroy: function destroy() {
        cleanupModifierEffects();
        isDestroyed = true;
      }
    };
1032
    if (!areValidElements(reference, popper)) {
      {
        console.error(INVALID_ELEMENT_ERROR);
      }
1037
      return instance;
    }
1040
    instance.setOptions(options).then(function (state) {
      if (!isDestroyed && options.onFirstUpdate) {
        options.onFirstUpdate(state);
      }
    }); // Modifiers have the ability to execute arbitrary code before the first
    // update cycle runs. They will be executed in the same order as the update
    // cycle. This is useful when a modifier adds some persistent data that
    // other modifiers need to use, but the modifier is run after the dependent
    // one.
1050
    function runModifierEffects() {
      state.orderedModifiers.forEach(function (_ref3) {
        var name = _ref3.name,
            _ref3$options = _ref3.options,
            options = _ref3$options === void 0 ? {} : _ref3$options,
            effect = _ref3.effect;
1057
        if (typeof effect === 'function') {
          var cleanupFn = effect({
            state: state,
            name: name,
            instance: instance,
            options: options
          });
1065
          var noopFn = function noopFn() {};
1067
          effectCleanupFns.push(cleanupFn || noopFn);
        }
      });
    }
1072
    function cleanupModifierEffects() {
      effectCleanupFns.forEach(function (fn) {
        return fn();
      });
      effectCleanupFns = [];
    }
1079
    return instance;
  };
}
1083
var passive = {
  passive: true
};
1087
function effect$1(_ref) {
  var state = _ref.state,
      instance = _ref.instance,
      options = _ref.options;
  var _options$scroll = options.scroll,
      scroll = _options$scroll === void 0 ? true : _options$scroll,
      _options$resize = options.resize,
      resize = _options$resize === void 0 ? true : _options$resize;
  var window = getWindow(state.elements.popper);
  var scrollParents = [].concat(state.scrollParents.reference, state.scrollParents.popper);
1098
  if (scroll) {
    scrollParents.forEach(function (scrollParent) {
      scrollParent.addEventListener('scroll', instance.update, passive);
    });
  }
1104
  if (resize) {
    window.addEventListener('resize', instance.update, passive);
  }
1108
  return function () {
    if (scroll) {
      scrollParents.forEach(function (scrollParent) {
        scrollParent.removeEventListener('scroll', instance.update, passive);
      });
    }
1115
    if (resize) {
      window.removeEventListener('resize', instance.update, passive);
    }
  };
} // eslint-disable-next-line import/no-unused-modules
1121
1122
var eventListeners = {
  name: 'eventListeners',
  enabled: true,
  phase: 'write',
  fn: function fn() {},
  effect: effect$1,
  data: {}
};
1131
function popperOffsets(_ref) {
  var state = _ref.state,
      name = _ref.name;
  // Offsets are the actual position the popper needs to have to be
  // properly positioned near its reference element
  // This is the most basic placement, and will be adjusted by
  // the modifiers in the next step
  state.modifiersData[name] = computeOffsets({
    reference: state.rects.reference,
    element: state.rects.popper,
    strategy: 'absolute',
    placement: state.placement
  });
} // eslint-disable-next-line import/no-unused-modules
1146
1147
var popperOffsets$1 = {
  name: 'popperOffsets',
  enabled: true,
  phase: 'read',
  fn: popperOffsets,
  data: {}
};
1155
var unsetSides = {
  top: 'auto',
  right: 'auto',
  bottom: 'auto',
  left: 'auto'
}; // Round the offsets to the nearest suitable subpixel based on the DPR.
// Zooming can change the DPR, but it seems to report a value that will
// cleanly divide the values into the appropriate subpixels.
1164
function roundOffsetsByDPR(_ref) {
  var x = _ref.x,
      y = _ref.y;
  var win = window;
  var dpr = win.devicePixelRatio || 1;
  return {
    x: round(x * dpr) / dpr || 0,
    y: round(y * dpr) / dpr || 0
  };
}
1175
function mapToStyles(_ref2) {
  var _Object$assign2;
1178
  var popper = _ref2.popper,
      popperRect = _ref2.popperRect,
      placement = _ref2.placement,
      variation = _ref2.variation,
      offsets = _ref2.offsets,
      position = _ref2.position,
      gpuAcceleration = _ref2.gpuAcceleration,
      adaptive = _ref2.adaptive,
      roundOffsets = _ref2.roundOffsets,
      isFixed = _ref2.isFixed;
  var _offsets$x = offsets.x,
      x = _offsets$x === void 0 ? 0 : _offsets$x,
      _offsets$y = offsets.y,
      y = _offsets$y === void 0 ? 0 : _offsets$y;
1193
  var _ref3 = typeof roundOffsets === 'function' ? roundOffsets({
    x: x,
    y: y
  }) : {
    x: x,
    y: y
  };
1201
  x = _ref3.x;
  y = _ref3.y;
  var hasX = offsets.hasOwnProperty('x');
  var hasY = offsets.hasOwnProperty('y');
  var sideX = left;
  var sideY = top;
  var win = window;
1209
  if (adaptive) {
    var offsetParent = getOffsetParent(popper);
    var heightProp = 'clientHeight';
    var widthProp = 'clientWidth';
1214
    if (offsetParent === getWindow(popper)) {
      offsetParent = getDocumentElement(popper);
1217
      if (getComputedStyle(offsetParent).position !== 'static' && position === 'absolute') {
        heightProp = 'scrollHeight';
        widthProp = 'scrollWidth';
      }
    } // $FlowFixMe[incompatible-cast]: force type refinement, we compare offsetParent with window above, but Flow doesn't detect it
1223
1224
    offsetParent = offsetParent;
1226
    if (placement === top || (placement === left || placement === right) && variation === end) {
      sideY = bottom;
      var offsetY = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.height : // $FlowFixMe[prop-missing]
      offsetParent[heightProp];
      y -= offsetY - popperRect.height;
      y *= gpuAcceleration ? 1 : -1;
    }
1234
    if (placement === left || (placement === top || placement === bottom) && variation === end) {
      sideX = right;
      var offsetX = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.width : // $FlowFixMe[prop-missing]
      offsetParent[widthProp];
      x -= offsetX - popperRect.width;
      x *= gpuAcceleration ? 1 : -1;
    }
  }
1243
  var commonStyles = Object.assign({
    position: position
  }, adaptive && unsetSides);
1247
  var _ref4 = roundOffsets === true ? roundOffsetsByDPR({
    x: x,
    y: y
  }) : {
    x: x,
    y: y
  };
1255
  x = _ref4.x;
  y = _ref4.y;
1258
  if (gpuAcceleration) {
    var _Object$assign;
1261
    return Object.assign({}, commonStyles, (_Object$assign = {}, _Object$assign[sideY] = hasY ? '0' : '', _Object$assign[sideX] = hasX ? '0' : '', _Object$assign.transform = (win.devicePixelRatio || 1) <= 1 ? "translate(" + x + "px, " + y + "px)" : "translate3d(" + x + "px, " + y + "px, 0)", _Object$assign));
  }
1264
  return Object.assign({}, commonStyles, (_Object$assign2 = {}, _Object$assign2[sideY] = hasY ? y + "px" : '', _Object$assign2[sideX] = hasX ? x + "px" : '', _Object$assign2.transform = '', _Object$assign2));
}
1267
function computeStyles(_ref5) {
  var state = _ref5.state,
      options = _ref5.options;
  var _options$gpuAccelerat = options.gpuAcceleration,
      gpuAcceleration = _options$gpuAccelerat === void 0 ? true : _options$gpuAccelerat,
      _options$adaptive = options.adaptive,
      adaptive = _options$adaptive === void 0 ? true : _options$adaptive,
      _options$roundOffsets = options.roundOffsets,
      roundOffsets = _options$roundOffsets === void 0 ? true : _options$roundOffsets;
1277
  {
    var transitionProperty = getComputedStyle(state.elements.popper).transitionProperty || '';
1280
    if (adaptive && ['transform', 'top', 'right', 'bottom', 'left'].some(function (property) {
      return transitionProperty.indexOf(property) >= 0;
    })) {
      console.warn(['Popper: Detected CSS transitions on at least one of the following', 'CSS properties: "transform", "top", "right", "bottom", "left".', '\n\n', 'Disable the "computeStyles" modifier\'s `adaptive` option to allow', 'for smooth transitions, or remove these properties from the CSS', 'transition declaration on the popper element if only transitioning', 'opacity or background-color for example.', '\n\n', 'We recommend using the popper element as a wrapper around an inner', 'element that can have any CSS property transitioned for animations.'].join(' '));
    }
  }
1287
  var commonStyles = {
    placement: getBasePlacement(state.placement),
    variation: getVariation(state.placement),
    popper: state.elements.popper,
    popperRect: state.rects.popper,
    gpuAcceleration: gpuAcceleration,
    isFixed: state.options.strategy === 'fixed'
  };
1296
  if (state.modifiersData.popperOffsets != null) {
    state.styles.popper = Object.assign({}, state.styles.popper, mapToStyles(Object.assign({}, commonStyles, {
      offsets: state.modifiersData.popperOffsets,
      position: state.options.strategy,
      adaptive: adaptive,
      roundOffsets: roundOffsets
    })));
  }
1305
  if (state.modifiersData.arrow != null) {
    state.styles.arrow = Object.assign({}, state.styles.arrow, mapToStyles(Object.assign({}, commonStyles, {
      offsets: state.modifiersData.arrow,
      position: 'absolute',
      adaptive: false,
      roundOffsets: roundOffsets
    })));
  }
1314
  state.attributes.popper = Object.assign({}, state.attributes.popper, {
    'data-popper-placement': state.placement
  });
} // eslint-disable-next-line import/no-unused-modules
1319
1320
var computeStyles$1 = {
  name: 'computeStyles',
  enabled: true,
  phase: 'beforeWrite',
  fn: computeStyles,
  data: {}
};
1328
// and applies them to the HTMLElements such as popper and arrow
1330
function applyStyles(_ref) {
  var state = _ref.state;
  Object.keys(state.elements).forEach(function (name) {
    var style = state.styles[name] || {};
    var attributes = state.attributes[name] || {};
    var element = state.elements[name]; // arrow is optional + virtual elements
1337
    if (!isHTMLElement(element) || !getNodeName(element)) {
      return;
    } // Flow doesn't support to extend this property, but it's the most
    // effective way to apply styles to an HTMLElement
    // $FlowFixMe[cannot-write]
1343
1344
    Object.assign(element.style, style);
    Object.keys(attributes).forEach(function (name) {
      var value = attributes[name];
1348
      if (value === false) {
        element.removeAttribute(name);
      } else {
        element.setAttribute(name, value === true ? '' : value);
      }
    });
  });
}
1357
function effect(_ref2) {
  var state = _ref2.state;
  var initialStyles = {
    popper: {
      position: state.options.strategy,
      left: '0',
      top: '0',
      margin: '0'
    },
    arrow: {
      position: 'absolute'
    },
    reference: {}
  };
  Object.assign(state.elements.popper.style, initialStyles.popper);
  state.styles = initialStyles;
1374
  if (state.elements.arrow) {
    Object.assign(state.elements.arrow.style, initialStyles.arrow);
  }
1378
  return function () {
    Object.keys(state.elements).forEach(function (name) {
      var element = state.elements[name];
      var attributes = state.attributes[name] || {};
      var styleProperties = Object.keys(state.styles.hasOwnProperty(name) ? state.styles[name] : initialStyles[name]); // Set all values to an empty string to unset them
1384
      var style = styleProperties.reduce(function (style, property) {
        style[property] = '';
        return style;
      }, {}); // arrow is optional + virtual elements
1389
      if (!isHTMLElement(element) || !getNodeName(element)) {
        return;
      }
1393
      Object.assign(element.style, style);
      Object.keys(attributes).forEach(function (attribute) {
        element.removeAttribute(attribute);
      });
    });
  };
} // eslint-disable-next-line import/no-unused-modules
1401
1402
var applyStyles$1 = {
  name: 'applyStyles',
  enabled: true,
  phase: 'write',
  fn: applyStyles,
  effect: effect,
  requires: ['computeStyles']
};
1411
var defaultModifiers = [eventListeners, popperOffsets$1, computeStyles$1, applyStyles$1];
var createPopper = /*#__PURE__*/popperGenerator({
  defaultModifiers: defaultModifiers
}); // eslint-disable-next-line import/no-unused-modules
1416
exports.createPopper = createPopper;
exports.defaultModifiers = defaultModifiers;
exports.detectOverflow = detectOverflow;
exports.popperGenerator = popperGenerator;
1421
Object.defineProperty(exports, '__esModule', { value: true });
1423
1424})));
1425//# sourceMappingURL=popper-lite.js.map
1	`/**`
2	`* @popperjs/core v2.11.5 - MIT License`
3	`*/`
4
5	`(function (global, factory) {`
6	`typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :`
7	`typeof define === 'function' && define.amd ? define(['exports'], factory) :`
8	`(global = typeof globalThis !== 'undefined' ? globalThis : global \|\| self, factory(global.Popper = {}));`
9	`}(this, (function (exports) { 'use strict';`
10
11	`function getWindow(node) {`
12	`if (node == null) {`
13	`return window;`
14	`}`
15
16	`if (node.toString() !== '[object Window]') {`
17	`var ownerDocument = node.ownerDocument;`
18	`return ownerDocument ? ownerDocument.defaultView \|\| window : window;`
19	`}`
20
21	`return node;`
22	`}`
23
24	`function isElement(node) {`
25	`var OwnElement = getWindow(node).Element;`
26	`return node instanceof OwnElement \|\| node instanceof Element;`
27	`}`
28
29	`function isHTMLElement(node) {`
30	`var OwnElement = getWindow(node).HTMLElement;`
31	`return node instanceof OwnElement \|\| node instanceof HTMLElement;`
32	`}`
33
34	`function isShadowRoot(node) {`
35	`// IE 11 has no ShadowRoot`
36	`if (typeof ShadowRoot === 'undefined') {`
37	`return false;`
38	`}`
39
40	`var OwnElement = getWindow(node).ShadowRoot;`