carom-server/static/js/popper.js

/**
 * @popperjs/core v2.10.1 - MIT License
 */

(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 = {}));
}(this, (function (exports) { 'use strict';

  function getWindow(node) {
    if (node == null) {
      return window;
    }

    if (node.toString() !== '[object Window]') {
      var ownerDocument = node.ownerDocument;
      return ownerDocument ? ownerDocument.defaultView || window : window;
    }

    return node;
  }

  function isElement(node) {
    var OwnElement = getWindow(node).Element;
    return node instanceof OwnElement || node instanceof Element;
  }

  function isHTMLElement(node) {
    var OwnElement = getWindow(node).HTMLElement;
    return node instanceof OwnElement || node instanceof HTMLElement;
  }

  function isShadowRoot(node) {
    // IE 11 has no ShadowRoot
    if (typeof ShadowRoot === 'undefined') {
      return false;
    }

    var OwnElement = getWindow(node).ShadowRoot;
    return node instanceof OwnElement || node instanceof ShadowRoot;
  }

  var round$1 = Math.round;
  function getBoundingClientRect(element, includeScale) {
    if (includeScale === void 0) {
      includeScale = false;
    }

    var rect = element.getBoundingClientRect();
    var scaleX = 1;
    var scaleY = 1;

    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`

      if (offsetWidth > 0) {
        scaleX = rect.width / offsetWidth || 1;
      }

      if (offsetHeight > 0) {
        scaleY = rect.height / offsetHeight || 1;
      }
    }

    return {
      width: round$1(rect.width / scaleX),
      height: round$1(rect.height / scaleY),
      top: round$1(rect.top / scaleY),
      right: round$1(rect.right / scaleX),
      bottom: round$1(rect.bottom / scaleY),
      left: round$1(rect.left / scaleX),
      x: round$1(rect.left / scaleX),
      y: round$1(rect.top / scaleY)
    };
  }

  function getWindowScroll(node) {
    var win = getWindow(node);
    var scrollLeft = win.pageXOffset;
    var scrollTop = win.pageYOffset;
    return {
      scrollLeft: scrollLeft,
      scrollTop: scrollTop
    };
  }

  function getHTMLElementScroll(element) {
    return {
      scrollLeft: element.scrollLeft,
      scrollTop: element.scrollTop
    };
  }

  function getNodeScroll(node) {
    if (node === getWindow(node) || !isHTMLElement(node)) {
      return getWindowScroll(node);
    } else {
      return getHTMLElementScroll(node);
    }
  }

  function getNodeName(element) {
    return element ? (element.nodeName || '').toLowerCase() : null;
  }

  function getDocumentElement(element) {
    // $FlowFixMe[incompatible-return]: assume body is always available
    return ((isElement(element) ? element.ownerDocument : // $FlowFixMe[prop-missing]
    element.document) || window.document).documentElement;
  }

  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;
  }

  function getComputedStyle(element) {
    return getWindow(element).getComputedStyle(element);
  }

  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;

    return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX);
  }

  function isElementScaled(element) {
    var rect = element.getBoundingClientRect();
    var scaleX = rect.width / element.offsetWidth || 1;
    var scaleY = 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.


  function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) {
    if (isFixed === void 0) {
      isFixed = false;
    }

    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
    };

    if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {
      if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078
      isScrollParent(documentElement)) {
        scroll = getNodeScroll(offsetParent);
      }

      if (isHTMLElement(offsetParent)) {
        offsets = getBoundingClientRect(offsetParent, true);
        offsets.x += offsetParent.clientLeft;
        offsets.y += offsetParent.clientTop;
      } else if (documentElement) {
        offsets.x = getWindowScrollBarX(documentElement);
      }
    }

    return {
      x: rect.left + scroll.scrollLeft - offsets.x,
      y: rect.top + scroll.scrollTop - offsets.y,
      width: rect.width,
      height: rect.height
    };
  }

  // means it doesn't take into account transforms.

  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

    var width = element.offsetWidth;
    var height = element.offsetHeight;

    if (Math.abs(clientRect.width - width) <= 1) {
      width = clientRect.width;
    }

    if (Math.abs(clientRect.height - height) <= 1) {
      height = clientRect.height;
    }

    return {
      x: element.offsetLeft,
      y: element.offsetTop,
      width: width,
      height: height
    };
  }

  function getParentNode(element) {
    if (getNodeName(element) === 'html') {
      return element;
    }

    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

    );
  }

  function getScrollParent(node) {
    if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) {
      // $FlowFixMe[incompatible-return]: assume body is always available
      return node.ownerDocument.body;
    }

    if (isHTMLElement(node) && isScrollParent(node)) {
      return node;
    }

    return getScrollParent(getParentNode(node));
  }

  /*
  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.
  */

  function listScrollParents(element, list) {
    var _element$ownerDocumen;

    if (list === void 0) {
      list = [];
    }

    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)));
  }

  function isTableElement(element) {
    return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0;
  }

  function getTrueOffsetParent(element) {
    if (!isHTMLElement(element) || // https://github.com/popperjs/popper-core/issues/837
    getComputedStyle(element).position === 'fixed') {
      return null;
    }

    return element.offsetParent;
  } // `.offsetParent` reports `null` for fixed elements, while absolute elements
  // return the containing block


  function getContainingBlock(element) {
    var isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') !== -1;
    var isIE = navigator.userAgent.indexOf('Trident') !== -1;

    if (isIE && isHTMLElement(element)) {
      // In IE 9, 10 and 11 fixed elements containing block is always established by the viewport
      var elementCss = getComputedStyle(element);

      if (elementCss.position === 'fixed') {
        return null;
      }
    }

    var currentNode = getParentNode(element);

    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

      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;
      }
    }

    return null;
  } // Gets the closest ancestor positioned element. Handles some edge cases,
  // such as table ancestors and cross browser bugs.


  function getOffsetParent(element) {
    var window = getWindow(element);
    var offsetParent = getTrueOffsetParent(element);

    while (offsetParent && isTableElement(offsetParent) && getComputedStyle(offsetParent).position === 'static') {
      offsetParent = getTrueOffsetParent(offsetParent);
    }

    if (offsetParent && (getNodeName(offsetParent) === 'html' || getNodeName(offsetParent) === 'body' && getComputedStyle(offsetParent).position === 'static')) {
      return window;
    }

    return offsetParent || getContainingBlock(element) || window;
  }

  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';
  var variationPlacements = /*#__PURE__*/basePlacements.reduce(function (acc, placement) {
    return acc.concat([placement + "-" + start, placement + "-" + end]);
  }, []);
  var placements = /*#__PURE__*/[].concat(basePlacements, [auto]).reduce(function (acc, placement) {
    return acc.concat([placement, placement + "-" + start, placement + "-" + end]);
  }, []); // modifiers that need to read the DOM

  var beforeRead = 'beforeRead';
  var read = 'read';
  var afterRead = 'afterRead'; // pure-logic modifiers

  var beforeMain = 'beforeMain';
  var main = 'main';
  var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state)

  var beforeWrite = 'beforeWrite';
  var write = 'write';
  var afterWrite = 'afterWrite';
  var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite];

  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

    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);

          if (depModifier) {
            sort(depModifier);
          }
        }
      });
      result.push(modifier);
    }

    modifiers.forEach(function (modifier) {
      if (!visited.has(modifier.name)) {
        // check for visited object
        sort(modifier);
      }
    });
    return result;
  }

  function orderModifiers(modifiers) {
    // order based on dependencies
    var orderedModifiers = order(modifiers); // order based on phase

    return modifierPhases.reduce(function (acc, phase) {
      return acc.concat(orderedModifiers.filter(function (modifier) {
        return modifier.phase === phase;
      }));
    }, []);
  }

  function debounce(fn) {
    var pending;
    return function () {
      if (!pending) {
        pending = new Promise(function (resolve) {
          Promise.resolve().then(function () {
            pending = undefined;
            resolve(fn());
          });
        });
      }

      return pending;
    };
  }

  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];
    }

    return [].concat(args).reduce(function (p, c) {
      return p.replace(/%s/, c);
    }, str);
  }

  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) + "\""));
            }

            break;

          case 'enabled':
            if (typeof modifier.enabled !== 'boolean') {
              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"enabled"', '"boolean"', "\"" + String(modifier.enabled) + "\""));
            }

            break;

          case 'phase':
            if (modifierPhases.indexOf(modifier.phase) < 0) {
              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"phase"', "either " + modifierPhases.join(', '), "\"" + String(modifier.phase) + "\""));
            }

            break;

          case 'fn':
            if (typeof modifier.fn !== 'function') {
              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"fn"', '"function"', "\"" + String(modifier.fn) + "\""));
            }

            break;

          case 'effect':
            if (modifier.effect != null && typeof modifier.effect !== 'function') {
              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"effect"', '"function"', "\"" + String(modifier.fn) + "\""));
            }

            break;

          case 'requires':
            if (modifier.requires != null && !Array.isArray(modifier.requires)) {
              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"requires"', '"array"', "\"" + String(modifier.requires) + "\""));
            }

            break;

          case 'requiresIfExists':
            if (!Array.isArray(modifier.requiresIfExists)) {
              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"requiresIfExists"', '"array"', "\"" + String(modifier.requiresIfExists) + "\""));
            }

            break;

          case 'options':
          case 'data':
            break;

          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.");
        }

        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));
          }
        });
      });
    });
  }

  function uniqueBy(arr, fn) {
    var identifiers = new Set();
    return arr.filter(function (item) {
      var identifier = fn(item);

      if (!identifiers.has(identifier)) {
        identifiers.add(identifier);
        return true;
      }
    });
  }

  function getBasePlacement(placement) {
    return placement.split('-')[0];
  }

  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

    return Object.keys(merged).map(function (key) {
      return merged[key];
    });
  }

  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.

    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

      if (!/^((?!chrome|android).)*safari/i.test(navigator.userAgent)) {
        x = visualViewport.offsetLeft;
        y = visualViewport.offsetTop;
      }
    }

    return {
      width: width,
      height: height,
      x: x + getWindowScrollBarX(element),
      y: y
    };
  }

  var max = Math.max;
  var min = Math.min;
  var round = Math.round;

  // of the `<html>` and `<body>` rect bounds if horizontally scrollable

  function getDocumentRect(element) {
    var _element$ownerDocumen;

    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;

    if (getComputedStyle(body || html).direction === 'rtl') {
      x += max(html.clientWidth, body ? body.clientWidth : 0) - width;
    }

    return {
      width: width,
      height: height,
      x: x,
      y: y
    };
  }

  function contains(parent, child) {
    var rootNode = child.getRootNode && child.getRootNode(); // First, attempt with faster native method

    if (parent.contains(child)) {
      return true;
    } // then fallback to custom implementation with Shadow DOM support
    else if (rootNode && isShadowRoot(rootNode)) {
        var next = child;

        do {
          if (next && parent.isSameNode(next)) {
            return true;
          } // $FlowFixMe[prop-missing]: need a better way to handle this...


          next = next.parentNode || next.host;
        } while (next);
      } // Give up, the result is false


    return false;
  }

  function rectToClientRect(rect) {
    return Object.assign({}, rect, {
      left: rect.x,
      top: rect.y,
      right: rect.x + rect.width,
      bottom: rect.y + rect.height
    });
  }

  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;
  }

  function getClientRectFromMixedType(element, clippingParent) {
    return clippingParent === viewport ? rectToClientRect(getViewportRect(element)) : isHTMLElement(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`


  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;

    if (!isElement(clipperElement)) {
      return [];
    } // $FlowFixMe[incompatible-return]: https://github.com/facebook/flow/issues/1414


    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


  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;
  }

  function getVariation(placement) {
    return placement.split('-')[1];
  }

  function getMainAxisFromPlacement(placement) {
    return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y';
  }

  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;

    switch (basePlacement) {
      case top:
        offsets = {
          x: commonX,
          y: reference.y - element.height
        };
        break;

      case bottom:
        offsets = {
          x: commonX,
          y: reference.y + reference.height
        };
        break;

      case right:
        offsets = {
          x: reference.x + reference.width,
          y: commonY
        };
        break;

      case left:
        offsets = {
          x: reference.x - element.width,
          y: commonY
        };
        break;

      default:
        offsets = {
          x: reference.x,
          y: reference.y
        };
    }

    var mainAxis = basePlacement ? getMainAxisFromPlacement(basePlacement) : null;

    if (mainAxis != null) {
      var len = mainAxis === 'y' ? 'height' : 'width';

      switch (variation) {
        case start:
          offsets[mainAxis] = offsets[mainAxis] - (reference[len] / 2 - element[len] / 2);
          break;

        case end:
          offsets[mainAxis] = offsets[mainAxis] + (reference[len] / 2 - element[len] / 2);
          break;
      }
    }

    return offsets;
  }

  function getFreshSideObject() {
    return {
      top: 0,
      right: 0,
      bottom: 0,
      left: 0
    };
  }

  function mergePaddingObject(paddingObject) {
    return Object.assign({}, getFreshSideObject(), paddingObject);
  }

  function expandToHashMap(value, keys) {
    return keys.reduce(function (hashMap, key) {
      hashMap[key] = value;
      return hashMap;
    }, {});
  }

  function detectOverflow(state, options) {
    if (options === void 0) {
      options = {};
    }

    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

    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

    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;
      });
    }

    return overflowOffsets;
  }

  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'
  };

  function areValidElements() {
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    return !args.some(function (element) {
      return !(element && typeof element.getBoundingClientRect === 'function');
    });
  }

  function popperGenerator(generatorOptions) {
    if (generatorOptions === void 0) {
      generatorOptions = {};
    }

    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;
      }

      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

          var orderedModifiers = orderModifiers(mergeByName([].concat(defaultModifiers, state.options.modifiers))); // Strip out disabled modifiers

          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

          {
            var modifiers = uniqueBy([].concat(orderedModifiers, state.options.modifiers), function (_ref) {
              var name = _ref.name;
              return name;
            });
            validateModifiers(modifiers);

            if (getBasePlacement(state.options.placement) === auto) {
              var flipModifier = state.orderedModifiers.find(function (_ref2) {
                var name = _ref2.name;
                return name === 'flip';
              });

              if (!flipModifier) {
                console.error(['Popper: "auto" placements require the "flip" modifier be', 'present and enabled to work.'].join(' '));
              }
            }

            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


            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(' '));
            }
          }

          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;
          }

          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

          if (!areValidElements(reference, popper)) {
            {
              console.error(INVALID_ELEMENT_ERROR);
            }

            return;
          } // Store the reference and popper rects to be read by modifiers


          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

          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`

          state.orderedModifiers.forEach(function (modifier) {
            return state.modifiersData[modifier.name] = Object.assign({}, modifier.data);
          });
          var __debug_loops__ = 0;

          for (var index = 0; index < state.orderedModifiers.length; index++) {
            {
              __debug_loops__ += 1;

              if (__debug_loops__ > 100) {
                console.error(INFINITE_LOOP_ERROR);
                break;
              }
            }

            if (state.reset === true) {
              state.reset = false;
              index = -1;
              continue;
            }

            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;

            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;
        }
      };

      if (!areValidElements(reference, popper)) {
        {
          console.error(INVALID_ELEMENT_ERROR);
        }

        return instance;
      }

      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.

      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;

          if (typeof effect === 'function') {
            var cleanupFn = effect({
              state: state,
              name: name,
              instance: instance,
              options: options
            });

            var noopFn = function noopFn() {};

            effectCleanupFns.push(cleanupFn || noopFn);
          }
        });
      }

      function cleanupModifierEffects() {
        effectCleanupFns.forEach(function (fn) {
          return fn();
        });
        effectCleanupFns = [];
      }

      return instance;
    };
  }

  var passive = {
    passive: true
  };

  function effect$2(_ref) {
    var state = _ref.state,
        instance = _ref.instance,
        options = _ref.options;
    var _options$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);

    if (scroll) {
      scrollParents.forEach(function (scrollParent) {
        scrollParent.addEventListener('scroll', instance.update, passive);
      });
    }

    if (resize) {
      window.addEventListener('resize', instance.update, passive);
    }

    return function () {
      if (scroll) {
        scrollParents.forEach(function (scrollParent) {
          scrollParent.removeEventListener('scroll', instance.update, passive);
        });
      }

      if (resize) {
        window.removeEventListener('resize', instance.update, passive);
      }
    };
  } // eslint-disable-next-line import/no-unused-modules


  var eventListeners = {
    name: 'eventListeners',
    enabled: true,
    phase: 'write',
    fn: function fn() {},
    effect: effect$2,
    data: {}
  };

  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


  var popperOffsets$1 = {
    name: 'popperOffsets',
    enabled: true,
    phase: 'read',
    fn: popperOffsets,
    data: {}
  };

  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.

  function roundOffsetsByDPR(_ref) {
    var x = _ref.x,
        y = _ref.y;
    var win = window;
    var dpr = win.devicePixelRatio || 1;
    return {
      x: round(round(x * dpr) / dpr) || 0,
      y: round(round(y * dpr) / dpr) || 0
    };
  }

  function mapToStyles(_ref2) {
    var _Object$assign2;

    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;

    var _ref3 = roundOffsets === true ? roundOffsetsByDPR(offsets) : typeof roundOffsets === 'function' ? roundOffsets(offsets) : offsets,
        _ref3$x = _ref3.x,
        x = _ref3$x === void 0 ? 0 : _ref3$x,
        _ref3$y = _ref3.y,
        y = _ref3$y === void 0 ? 0 : _ref3$y;

    var hasX = offsets.hasOwnProperty('x');
    var hasY = offsets.hasOwnProperty('y');
    var sideX = left;
    var sideY = top;
    var win = window;

    if (adaptive) {
      var offsetParent = getOffsetParent(popper);
      var heightProp = 'clientHeight';
      var widthProp = 'clientWidth';

      if (offsetParent === getWindow(popper)) {
        offsetParent = getDocumentElement(popper);

        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


      offsetParent = offsetParent;

      if (placement === top || (placement === left || placement === right) && variation === end) {
        sideY = bottom; // $FlowFixMe[prop-missing]

        y -= offsetParent[heightProp] - popperRect.height;
        y *= gpuAcceleration ? 1 : -1;
      }

      if (placement === left || (placement === top || placement === bottom) && variation === end) {
        sideX = right; // $FlowFixMe[prop-missing]

        x -= offsetParent[widthProp] - popperRect.width;
        x *= gpuAcceleration ? 1 : -1;
      }
    }

    var commonStyles = Object.assign({
      position: position
    }, adaptive && unsetSides);

    if (gpuAcceleration) {
      var _Object$assign;

      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));
    }

    return Object.assign({}, commonStyles, (_Object$assign2 = {}, _Object$assign2[sideY] = hasY ? y + "px" : '', _Object$assign2[sideX] = hasX ? x + "px" : '', _Object$assign2.transform = '', _Object$assign2));
  }

  function computeStyles(_ref4) {
    var state = _ref4.state,
        options = _ref4.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;

    {
      var transitionProperty = getComputedStyle(state.elements.popper).transitionProperty || '';

      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(' '));
      }
    }

    var commonStyles = {
      placement: getBasePlacement(state.placement),
      variation: getVariation(state.placement),
      popper: state.elements.popper,
      popperRect: state.rects.popper,
      gpuAcceleration: gpuAcceleration
    };

    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
      })));
    }

    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
      })));
    }

    state.attributes.popper = Object.assign({}, state.attributes.popper, {
      'data-popper-placement': state.placement
    });
  } // eslint-disable-next-line import/no-unused-modules


  var computeStyles$1 = {
    name: 'computeStyles',
    enabled: true,
    phase: 'beforeWrite',
    fn: computeStyles,
    data: {}
  };

  // and applies them to the HTMLElements such as popper and arrow

  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

      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]


      Object.assign(element.style, style);
      Object.keys(attributes).forEach(function (name) {
        var value = attributes[name];

        if (value === false) {
          element.removeAttribute(name);
        } else {
          element.setAttribute(name, value === true ? '' : value);
        }
      });
    });
  }

  function effect$1(_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;

    if (state.elements.arrow) {
      Object.assign(state.elements.arrow.style, initialStyles.arrow);
    }

    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

        var style = styleProperties.reduce(function (style, property) {
          style[property] = '';
          return style;
        }, {}); // arrow is optional + virtual elements

        if (!isHTMLElement(element) || !getNodeName(element)) {
          return;
        }

        Object.assign(element.style, style);
        Object.keys(attributes).forEach(function (attribute) {
          element.removeAttribute(attribute);
        });
      });
    };
  } // eslint-disable-next-line import/no-unused-modules


  var applyStyles$1 = {
    name: 'applyStyles',
    enabled: true,
    phase: 'write',
    fn: applyStyles,
    effect: effect$1,
    requires: ['computeStyles']
  };

  function distanceAndSkiddingToXY(placement, rects, offset) {
    var basePlacement = getBasePlacement(placement);
    var invertDistance = [left, top].indexOf(basePlacement) >= 0 ? -1 : 1;

    var _ref = typeof offset === 'function' ? offset(Object.assign({}, rects, {
      placement: placement
    })) : offset,
        skidding = _ref[0],
        distance = _ref[1];

    skidding = skidding || 0;
    distance = (distance || 0) * invertDistance;
    return [left, right].indexOf(basePlacement) >= 0 ? {
      x: distance,
      y: skidding
    } : {
      x: skidding,
      y: distance
    };
  }

  function offset(_ref2) {
    var state = _ref2.state,
        options = _ref2.options,
        name = _ref2.name;
    var _options$offset = options.offset,
        offset = _options$offset === void 0 ? [0, 0] : _options$offset;
    var data = placements.reduce(function (acc, placement) {
      acc[placement] = distanceAndSkiddingToXY(placement, state.rects, offset);
      return acc;
    }, {});
    var _data$state$placement = data[state.placement],
        x = _data$state$placement.x,
        y = _data$state$placement.y;

    if (state.modifiersData.popperOffsets != null) {
      state.modifiersData.popperOffsets.x += x;
      state.modifiersData.popperOffsets.y += y;
    }

    state.modifiersData[name] = data;
  } // eslint-disable-next-line import/no-unused-modules


  var offset$1 = {
    name: 'offset',
    enabled: true,
    phase: 'main',
    requires: ['popperOffsets'],
    fn: offset
  };

  var hash$1 = {
    left: 'right',
    right: 'left',
    bottom: 'top',
    top: 'bottom'
  };
  function getOppositePlacement(placement) {
    return placement.replace(/left|right|bottom|top/g, function (matched) {
      return hash$1[matched];
    });
  }

  var hash = {
    start: 'end',
    end: 'start'
  };
  function getOppositeVariationPlacement(placement) {
    return placement.replace(/start|end/g, function (matched) {
      return hash[matched];
    });
  }

  function computeAutoPlacement(state, options) {
    if (options === void 0) {
      options = {};
    }

    var _options = options,
        placement = _options.placement,
        boundary = _options.boundary,
        rootBoundary = _options.rootBoundary,
        padding = _options.padding,
        flipVariations = _options.flipVariations,
        _options$allowedAutoP = _options.allowedAutoPlacements,
        allowedAutoPlacements = _options$allowedAutoP === void 0 ? placements : _options$allowedAutoP;
    var variation = getVariation(placement);
    var placements$1 = variation ? flipVariations ? variationPlacements : variationPlacements.filter(function (placement) {
      return getVariation(placement) === variation;
    }) : basePlacements;
    var allowedPlacements = placements$1.filter(function (placement) {
      return allowedAutoPlacements.indexOf(placement) >= 0;
    });

    if (allowedPlacements.length === 0) {
      allowedPlacements = placements$1;

      {
        console.error(['Popper: The `allowedAutoPlacements` option did not allow any', 'placements. Ensure the `placement` option matches the variation', 'of the allowed placements.', 'For example, "auto" cannot be used to allow "bottom-start".', 'Use "auto-start" instead.'].join(' '));
      }
    } // $FlowFixMe[incompatible-type]: Flow seems to have problems with two array unions...


    var overflows = allowedPlacements.reduce(function (acc, placement) {
      acc[placement] = detectOverflow(state, {
        placement: placement,
        boundary: boundary,
        rootBoundary: rootBoundary,
        padding: padding
      })[getBasePlacement(placement)];
      return acc;
    }, {});
    return Object.keys(overflows).sort(function (a, b) {
      return overflows[a] - overflows[b];
    });
  }

  function getExpandedFallbackPlacements(placement) {
    if (getBasePlacement(placement) === auto) {
      return [];
    }

    var oppositePlacement = getOppositePlacement(placement);
    return [getOppositeVariationPlacement(placement), oppositePlacement, getOppositeVariationPlacement(oppositePlacement)];
  }

  function flip(_ref) {
    var state = _ref.state,
        options = _ref.options,
        name = _ref.name;

    if (state.modifiersData[name]._skip) {
      return;
    }

    var _options$mainAxis = options.mainAxis,
        checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis,
        _options$altAxis = options.altAxis,
        checkAltAxis = _options$altAxis === void 0 ? true : _options$altAxis,
        specifiedFallbackPlacements = options.fallbackPlacements,
        padding = options.padding,
        boundary = options.boundary,
        rootBoundary = options.rootBoundary,
        altBoundary = options.altBoundary,
        _options$flipVariatio = options.flipVariations,
        flipVariations = _options$flipVariatio === void 0 ? true : _options$flipVariatio,
        allowedAutoPlacements = options.allowedAutoPlacements;
    var preferredPlacement = state.options.placement;
    var basePlacement = getBasePlacement(preferredPlacement);
    var isBasePlacement = basePlacement === preferredPlacement;
    var fallbackPlacements = specifiedFallbackPlacements || (isBasePlacement || !flipVariations ? [getOppositePlacement(preferredPlacement)] : getExpandedFallbackPlacements(preferredPlacement));
    var placements = [preferredPlacement].concat(fallbackPlacements).reduce(function (acc, placement) {
      return acc.concat(getBasePlacement(placement) === auto ? computeAutoPlacement(state, {
        placement: placement,
        boundary: boundary,
        rootBoundary: rootBoundary,
        padding: padding,
        flipVariations: flipVariations,
        allowedAutoPlacements: allowedAutoPlacements
      }) : placement);
    }, []);
    var referenceRect = state.rects.reference;
    var popperRect = state.rects.popper;
    var checksMap = new Map();
    var makeFallbackChecks = true;
    var firstFittingPlacement = placements[0];

    for (var i = 0; i < placements.length; i++) {
      var placement = placements[i];

      var _basePlacement = getBasePlacement(placement);

      var isStartVariation = getVariation(placement) === start;
      var isVertical = [top, bottom].indexOf(_basePlacement) >= 0;
      var len = isVertical ? 'width' : 'height';
      var overflow = detectOverflow(state, {
        placement: placement,
        boundary: boundary,
        rootBoundary: rootBoundary,
        altBoundary: altBoundary,
        padding: padding
      });
      var mainVariationSide = isVertical ? isStartVariation ? right : left : isStartVariation ? bottom : top;

      if (referenceRect[len] > popperRect[len]) {
        mainVariationSide = getOppositePlacement(mainVariationSide);
      }

      var altVariationSide = getOppositePlacement(mainVariationSide);
      var checks = [];

      if (checkMainAxis) {
        checks.push(overflow[_basePlacement] <= 0);
      }

      if (checkAltAxis) {
        checks.push(overflow[mainVariationSide] <= 0, overflow[altVariationSide] <= 0);
      }

      if (checks.every(function (check) {
        return check;
      })) {
        firstFittingPlacement = placement;
        makeFallbackChecks = false;
        break;
      }

      checksMap.set(placement, checks);
    }

    if (makeFallbackChecks) {
      // `2` may be desired in some cases – research later
      var numberOfChecks = flipVariations ? 3 : 1;

      var _loop = function _loop(_i) {
        var fittingPlacement = placements.find(function (placement) {
          var checks = checksMap.get(placement);

          if (checks) {
            return checks.slice(0, _i).every(function (check) {
              return check;
            });
          }
        });

        if (fittingPlacement) {
          firstFittingPlacement = fittingPlacement;
          return "break";
        }
      };

      for (var _i = numberOfChecks; _i > 0; _i--) {
        var _ret = _loop(_i);

        if (_ret === "break") break;
      }
    }

    if (state.placement !== firstFittingPlacement) {
      state.modifiersData[name]._skip = true;
      state.placement = firstFittingPlacement;
      state.reset = true;
    }
  } // eslint-disable-next-line import/no-unused-modules


  var flip$1 = {
    name: 'flip',
    enabled: true,
    phase: 'main',
    fn: flip,
    requiresIfExists: ['offset'],
    data: {
      _skip: false
    }
  };

  function getAltAxis(axis) {
    return axis === 'x' ? 'y' : 'x';
  }

  function within(min$1, value, max$1) {
    return max(min$1, min(value, max$1));
  }

  function preventOverflow(_ref) {
    var state = _ref.state,
        options = _ref.options,
        name = _ref.name;
    var _options$mainAxis = options.mainAxis,
        checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis,
        _options$altAxis = options.altAxis,
        checkAltAxis = _options$altAxis === void 0 ? false : _options$altAxis,
        boundary = options.boundary,
        rootBoundary = options.rootBoundary,
        altBoundary = options.altBoundary,
        padding = options.padding,
        _options$tether = options.tether,
        tether = _options$tether === void 0 ? true : _options$tether,
        _options$tetherOffset = options.tetherOffset,
        tetherOffset = _options$tetherOffset === void 0 ? 0 : _options$tetherOffset;
    var overflow = detectOverflow(state, {
      boundary: boundary,
      rootBoundary: rootBoundary,
      padding: padding,
      altBoundary: altBoundary
    });
    var basePlacement = getBasePlacement(state.placement);
    var variation = getVariation(state.placement);
    var isBasePlacement = !variation;
    var mainAxis = getMainAxisFromPlacement(basePlacement);
    var altAxis = getAltAxis(mainAxis);
    var popperOffsets = state.modifiersData.popperOffsets;
    var referenceRect = state.rects.reference;
    var popperRect = state.rects.popper;
    var tetherOffsetValue = typeof tetherOffset === 'function' ? tetherOffset(Object.assign({}, state.rects, {
      placement: state.placement
    })) : tetherOffset;
    var data = {
      x: 0,
      y: 0
    };

    if (!popperOffsets) {
      return;
    }

    if (checkMainAxis || checkAltAxis) {
      var mainSide = mainAxis === 'y' ? top : left;
      var altSide = mainAxis === 'y' ? bottom : right;
      var len = mainAxis === 'y' ? 'height' : 'width';
      var offset = popperOffsets[mainAxis];
      var min$1 = popperOffsets[mainAxis] + overflow[mainSide];
      var max$1 = popperOffsets[mainAxis] - overflow[altSide];
      var additive = tether ? -popperRect[len] / 2 : 0;
      var minLen = variation === start ? referenceRect[len] : popperRect[len];
      var maxLen = variation === start ? -popperRect[len] : -referenceRect[len]; // We need to include the arrow in the calculation so the arrow doesn't go
      // outside the reference bounds

      var arrowElement = state.elements.arrow;
      var arrowRect = tether && arrowElement ? getLayoutRect(arrowElement) : {
        width: 0,
        height: 0
      };
      var arrowPaddingObject = state.modifiersData['arrow#persistent'] ? state.modifiersData['arrow#persistent'].padding : getFreshSideObject();
      var arrowPaddingMin = arrowPaddingObject[mainSide];
      var arrowPaddingMax = arrowPaddingObject[altSide]; // If the reference length is smaller than the arrow length, we don't want
      // to include its full size in the calculation. If the reference is small
      // and near the edge of a boundary, the popper can overflow even if the
      // reference is not overflowing as well (e.g. virtual elements with no
      // width or height)

      var arrowLen = within(0, referenceRect[len], arrowRect[len]);
      var minOffset = isBasePlacement ? referenceRect[len] / 2 - additive - arrowLen - arrowPaddingMin - tetherOffsetValue : minLen - arrowLen - arrowPaddingMin - tetherOffsetValue;
      var maxOffset = isBasePlacement ? -referenceRect[len] / 2 + additive + arrowLen + arrowPaddingMax + tetherOffsetValue : maxLen + arrowLen + arrowPaddingMax + tetherOffsetValue;
      var arrowOffsetParent = state.elements.arrow && getOffsetParent(state.elements.arrow);
      var clientOffset = arrowOffsetParent ? mainAxis === 'y' ? arrowOffsetParent.clientTop || 0 : arrowOffsetParent.clientLeft || 0 : 0;
      var offsetModifierValue = state.modifiersData.offset ? state.modifiersData.offset[state.placement][mainAxis] : 0;
      var tetherMin = popperOffsets[mainAxis] + minOffset - offsetModifierValue - clientOffset;
      var tetherMax = popperOffsets[mainAxis] + maxOffset - offsetModifierValue;

      if (checkMainAxis) {
        var preventedOffset = within(tether ? min(min$1, tetherMin) : min$1, offset, tether ? max(max$1, tetherMax) : max$1);
        popperOffsets[mainAxis] = preventedOffset;
        data[mainAxis] = preventedOffset - offset;
      }

      if (checkAltAxis) {
        var _mainSide = mainAxis === 'x' ? top : left;

        var _altSide = mainAxis === 'x' ? bottom : right;

        var _offset = popperOffsets[altAxis];

        var _min = _offset + overflow[_mainSide];

        var _max = _offset - overflow[_altSide];

        var _preventedOffset = within(tether ? min(_min, tetherMin) : _min, _offset, tether ? max(_max, tetherMax) : _max);

        popperOffsets[altAxis] = _preventedOffset;
        data[altAxis] = _preventedOffset - _offset;
      }
    }

    state.modifiersData[name] = data;
  } // eslint-disable-next-line import/no-unused-modules


  var preventOverflow$1 = {
    name: 'preventOverflow',
    enabled: true,
    phase: 'main',
    fn: preventOverflow,
    requiresIfExists: ['offset']
  };

  var toPaddingObject = function toPaddingObject(padding, state) {
    padding = typeof padding === 'function' ? padding(Object.assign({}, state.rects, {
      placement: state.placement
    })) : padding;
    return mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements));
  };

  function arrow(_ref) {
    var _state$modifiersData$;

    var state = _ref.state,
        name = _ref.name,
        options = _ref.options;
    var arrowElement = state.elements.arrow;
    var popperOffsets = state.modifiersData.popperOffsets;
    var basePlacement = getBasePlacement(state.placement);
    var axis = getMainAxisFromPlacement(basePlacement);
    var isVertical = [left, right].indexOf(basePlacement) >= 0;
    var len = isVertical ? 'height' : 'width';

    if (!arrowElement || !popperOffsets) {
      return;
    }

    var paddingObject = toPaddingObject(options.padding, state);
    var arrowRect = getLayoutRect(arrowElement);
    var minProp = axis === 'y' ? top : left;
    var maxProp = axis === 'y' ? bottom : right;
    var endDiff = state.rects.reference[len] + state.rects.reference[axis] - popperOffsets[axis] - state.rects.popper[len];
    var startDiff = popperOffsets[axis] - state.rects.reference[axis];
    var arrowOffsetParent = getOffsetParent(arrowElement);
    var clientSize = arrowOffsetParent ? axis === 'y' ? arrowOffsetParent.clientHeight || 0 : arrowOffsetParent.clientWidth || 0 : 0;
    var centerToReference = endDiff / 2 - startDiff / 2; // Make sure the arrow doesn't overflow the popper if the center point is
    // outside of the popper bounds

    var min = paddingObject[minProp];
    var max = clientSize - arrowRect[len] - paddingObject[maxProp];
    var center = clientSize / 2 - arrowRect[len] / 2 + centerToReference;
    var offset = within(min, center, max); // Prevents breaking syntax highlighting...

    var axisProp = axis;
    state.modifiersData[name] = (_state$modifiersData$ = {}, _state$modifiersData$[axisProp] = offset, _state$modifiersData$.centerOffset = offset - center, _state$modifiersData$);
  }

  function effect(_ref2) {
    var state = _ref2.state,
        options = _ref2.options;
    var _options$element = options.element,
        arrowElement = _options$element === void 0 ? '[data-popper-arrow]' : _options$element;

    if (arrowElement == null) {
      return;
    } // CSS selector


    if (typeof arrowElement === 'string') {
      arrowElement = state.elements.popper.querySelector(arrowElement);

      if (!arrowElement) {
        return;
      }
    }

    {
      if (!isHTMLElement(arrowElement)) {
        console.error(['Popper: "arrow" element must be an HTMLElement (not an SVGElement).', 'To use an SVG arrow, wrap it in an HTMLElement that will be used as', 'the arrow.'].join(' '));
      }
    }

    if (!contains(state.elements.popper, arrowElement)) {
      {
        console.error(['Popper: "arrow" modifier\'s `element` must be a child of the popper', 'element.'].join(' '));
      }

      return;
    }

    state.elements.arrow = arrowElement;
  } // eslint-disable-next-line import/no-unused-modules


  var arrow$1 = {
    name: 'arrow',
    enabled: true,
    phase: 'main',
    fn: arrow,
    effect: effect,
    requires: ['popperOffsets'],
    requiresIfExists: ['preventOverflow']
  };

  function getSideOffsets(overflow, rect, preventedOffsets) {
    if (preventedOffsets === void 0) {
      preventedOffsets = {
        x: 0,
        y: 0
      };
    }

    return {
      top: overflow.top - rect.height - preventedOffsets.y,
      right: overflow.right - rect.width + preventedOffsets.x,
      bottom: overflow.bottom - rect.height + preventedOffsets.y,
      left: overflow.left - rect.width - preventedOffsets.x
    };
  }

  function isAnySideFullyClipped(overflow) {
    return [top, right, bottom, left].some(function (side) {
      return overflow[side] >= 0;
    });
  }

  function hide(_ref) {
    var state = _ref.state,
        name = _ref.name;
    var referenceRect = state.rects.reference;
    var popperRect = state.rects.popper;
    var preventedOffsets = state.modifiersData.preventOverflow;
    var referenceOverflow = detectOverflow(state, {
      elementContext: 'reference'
    });
    var popperAltOverflow = detectOverflow(state, {
      altBoundary: true
    });
    var referenceClippingOffsets = getSideOffsets(referenceOverflow, referenceRect);
    var popperEscapeOffsets = getSideOffsets(popperAltOverflow, popperRect, preventedOffsets);
    var isReferenceHidden = isAnySideFullyClipped(referenceClippingOffsets);
    var hasPopperEscaped = isAnySideFullyClipped(popperEscapeOffsets);
    state.modifiersData[name] = {
      referenceClippingOffsets: referenceClippingOffsets,
      popperEscapeOffsets: popperEscapeOffsets,
      isReferenceHidden: isReferenceHidden,
      hasPopperEscaped: hasPopperEscaped
    };
    state.attributes.popper = Object.assign({}, state.attributes.popper, {
      'data-popper-reference-hidden': isReferenceHidden,
      'data-popper-escaped': hasPopperEscaped
    });
  } // eslint-disable-next-line import/no-unused-modules


  var hide$1 = {
    name: 'hide',
    enabled: true,
    phase: 'main',
    requiresIfExists: ['preventOverflow'],
    fn: hide
  };

  var defaultModifiers$1 = [eventListeners, popperOffsets$1, computeStyles$1, applyStyles$1];
  var createPopper$1 = /*#__PURE__*/popperGenerator({
    defaultModifiers: defaultModifiers$1
  }); // eslint-disable-next-line import/no-unused-modules

  var defaultModifiers = [eventListeners, popperOffsets$1, computeStyles$1, applyStyles$1, offset$1, flip$1, preventOverflow$1, arrow$1, hide$1];
  var createPopper = /*#__PURE__*/popperGenerator({
    defaultModifiers: defaultModifiers
  }); // eslint-disable-next-line import/no-unused-modules

  exports.applyStyles = applyStyles$1;
  exports.arrow = arrow$1;
  exports.computeStyles = computeStyles$1;
  exports.createPopper = createPopper;
  exports.createPopperLite = createPopper$1;
  exports.defaultModifiers = defaultModifiers;
  exports.detectOverflow = detectOverflow;
  exports.eventListeners = eventListeners;
  exports.flip = flip$1;
  exports.hide = hide$1;
  exports.offset = offset$1;
  exports.popperGenerator = popperGenerator;
  exports.popperOffsets = popperOffsets$1;
  exports.preventOverflow = preventOverflow$1;

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

})));
//# sourceMappingURL=popper.js.map
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								/**
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								 * @popperjs/core v2.10.1 - MIT License
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								 */
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								(function (global, factory) {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
 								  typeof define === 'function' && define.amd ? define(['exports'], factory) :
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.Popper = {}));
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								}(this, (function (exports) { 'use strict';
 								  function getWindow(node) {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    if (node == null) {
 								      return window;
 								    }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (node.toString() !== '[object Window]') {
 								      var ownerDocument = node.ownerDocument;
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      return ownerDocument ? ownerDocument.defaultView || window : window;
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    return node;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function isElement(node) {
 								    var OwnElement = getWindow(node).Element;
 								    return node instanceof OwnElement || node instanceof Element;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function isHTMLElement(node) {
 								    var OwnElement = getWindow(node).HTMLElement;
 								    return node instanceof OwnElement || node instanceof HTMLElement;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								  function isShadowRoot(node) {
 								    // IE 11 has no ShadowRoot
 								    if (typeof ShadowRoot === 'undefined') {
 								      return false;
 								    }
 								    var OwnElement = getWindow(node).ShadowRoot;
 								    return node instanceof OwnElement || node instanceof ShadowRoot;
 								  }
 								  var round$1 = Math.round;
 								  function getBoundingClientRect(element, includeScale) {
 								    if (includeScale === void 0) {
 								      includeScale = false;
 								    }
 								    var rect = element.getBoundingClientRect();
 								    var scaleX = 1;
 								    var scaleY = 1;
 								    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`
 								      if (offsetWidth > 0) {
 								        scaleX = rect.width / offsetWidth || 1;
 								      }
 								      if (offsetHeight > 0) {
 								        scaleY = rect.height / offsetHeight || 1;
 								      }
 								    }
 								    return {
 								      width: round$1(rect.width / scaleX),
 								      height: round$1(rect.height / scaleY),
 								      top: round$1(rect.top / scaleY),
 								      right: round$1(rect.right / scaleX),
 								      bottom: round$1(rect.bottom / scaleY),
 								      left: round$1(rect.left / scaleX),
 								      x: round$1(rect.left / scaleX),
 								      y: round$1(rect.top / scaleY)
 								    };
 								  }
 								  function getWindowScroll(node) {
 								    var win = getWindow(node);
 								    var scrollLeft = win.pageXOffset;
 								    var scrollTop = win.pageYOffset;
 								    return {
 								      scrollLeft: scrollLeft,
 								      scrollTop: scrollTop
 								    };
 								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getHTMLElementScroll(element) {
 								    return {
 								      scrollLeft: element.scrollLeft,
 								      scrollTop: element.scrollTop
 								    };
 								  }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getNodeScroll(node) {
 								    if (node === getWindow(node) || !isHTMLElement(node)) {
 								      return getWindowScroll(node);
 								    } else {
 								      return getHTMLElementScroll(node);
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								    }
 								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getNodeName(element) {
 								    return element ? (element.nodeName || '').toLowerCase() : null;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getDocumentElement(element) {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    // $FlowFixMe[incompatible-return]: assume body is always available
 								    return ((isElement(element) ? element.ownerDocument : // $FlowFixMe[prop-missing]
 								    element.document) || window.document).documentElement;
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  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;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getComputedStyle(element) {
 								    return getWindow(element).getComputedStyle(element);
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  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;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX);
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								  function isElementScaled(element) {
 								    var rect = element.getBoundingClientRect();
 								    var scaleX = rect.width / element.offsetWidth || 1;
 								    var scaleY = rect.height / element.offsetHeight || 1;
 								    return scaleX !== 1 || scaleY !== 1;
 								  } // Returns the composite rect of an element relative to its offsetParent.
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  // Composite means it takes into account transforms as well as layout.
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) {
 								    if (isFixed === void 0) {
 								      isFixed = false;
 								    }
 								    var isOffsetParentAnElement = isHTMLElement(offsetParent);
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    var offsetParentIsScaled = isHTMLElement(offsetParent) && isElementScaled(offsetParent);
 								    var documentElement = getDocumentElement(offsetParent);
 								    var rect = getBoundingClientRect(elementOrVirtualElement, offsetParentIsScaled);
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var scroll = {
 								      scrollLeft: 0,
 								      scrollTop: 0
 								    };
 								    var offsets = {
 								      x: 0,
 								      y: 0
 								    };
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {
 								      if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078
 								      isScrollParent(documentElement)) {
 								        scroll = getNodeScroll(offsetParent);
 								      }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      if (isHTMLElement(offsetParent)) {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								        offsets = getBoundingClientRect(offsetParent, true);
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								        offsets.x += offsetParent.clientLeft;
 								        offsets.y += offsetParent.clientTop;
 								      } else if (documentElement) {
 								        offsets.x = getWindowScrollBarX(documentElement);
 								      }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								    }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    return {
 								      x: rect.left + scroll.scrollLeft - offsets.x,
 								      y: rect.top + scroll.scrollTop - offsets.y,
 								      width: rect.width,
 								      height: rect.height
 								    };
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  // means it doesn't take into account transforms.
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getLayoutRect(element) {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    var clientRect = getBoundingClientRect(element); // Use the clientRect sizes if it's not been transformed.
 								    // Fixes https://github.com/popperjs/popper-core/issues/1223
 								    var width = element.offsetWidth;
 								    var height = element.offsetHeight;
 								    if (Math.abs(clientRect.width - width) <= 1) {
 								      width = clientRect.width;
 								    }
 								    if (Math.abs(clientRect.height - height) <= 1) {
 								      height = clientRect.height;
 								    }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    return {
 								      x: element.offsetLeft,
 								      y: element.offsetTop,
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      width: width,
 								      height: height
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    };
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getParentNode(element) {
 								    if (getNodeName(element) === 'html') {
 								      return element;
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    return (// this is a quicker (but less type safe) way to save quite some bytes from the bundle
 								      // $FlowFixMe[incompatible-return]
 								      // $FlowFixMe[prop-missing]
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      element.assignedSlot || // step into the shadow DOM of the parent of a slotted node
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      element.parentNode || ( // DOM Element detected
 								      isShadowRoot(element) ? element.host : null) || // ShadowRoot detected
 								      // $FlowFixMe[incompatible-call]: HTMLElement is a Node
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      getDocumentElement(element) // fallback
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    );
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getScrollParent(node) {
 								    if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      // $FlowFixMe[incompatible-return]: assume body is always available
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      return node.ownerDocument.body;
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (isHTMLElement(node) && isScrollParent(node)) {
 								      return node;
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    return getScrollParent(getParentNode(node));
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  /*
 								  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
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								  to, because if any of these parent elements scroll, we'll need to re-calculate the
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  reference element's position.
 								  */
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function listScrollParents(element, list) {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    var _element$ownerDocumen;
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (list === void 0) {
 								      list = [];
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								    }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var scrollParent = getScrollParent(element);
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    var isBody = scrollParent === ((_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body);
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var win = getWindow(scrollParent);
 								    var target = isBody ? [win].concat(win.visualViewport || [], isScrollParent(scrollParent) ? scrollParent : []) : scrollParent;
 								    var updatedList = list.concat(target);
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    return isBody ? updatedList : // $FlowFixMe[incompatible-call]: isBody tells us target will be an HTMLElement here
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    updatedList.concat(listScrollParents(getParentNode(target)));
 								  }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function isTableElement(element) {
 								    return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0;
 								  }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getTrueOffsetParent(element) {
 								    if (!isHTMLElement(element) || // https://github.com/popperjs/popper-core/issues/837
 								    getComputedStyle(element).position === 'fixed') {
 								      return null;
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    return element.offsetParent;
 								  } // `.offsetParent` reports `null` for fixed elements, while absolute elements
 								  // return the containing block
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getContainingBlock(element) {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    var isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') !== -1;
 								    var isIE = navigator.userAgent.indexOf('Trident') !== -1;
 								    if (isIE && isHTMLElement(element)) {
 								      // In IE 9, 10 and 11 fixed elements containing block is always established by the viewport
 								      var elementCss = getComputedStyle(element);
 								      if (elementCss.position === 'fixed') {
 								        return null;
 								      }
 								    }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var currentNode = getParentNode(element);
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    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.
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      // https://developer.mozilla.org/en-US/docs/Web/CSS/Containing_block#identifying_the_containing_block
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      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') {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								        return currentNode;
 								      } else {
 								        currentNode = currentNode.parentNode;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								      }
 								    }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    return null;
 								  } // Gets the closest ancestor positioned element. Handles some edge cases,
 								  // such as table ancestors and cross browser bugs.
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getOffsetParent(element) {
 								    var window = getWindow(element);
 								    var offsetParent = getTrueOffsetParent(element);
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    while (offsetParent && isTableElement(offsetParent) && getComputedStyle(offsetParent).position === 'static') {
 								      offsetParent = getTrueOffsetParent(offsetParent);
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    if (offsetParent && (getNodeName(offsetParent) === 'html' || getNodeName(offsetParent) === 'body' && getComputedStyle(offsetParent).position === 'static')) {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      return window;
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    return offsetParent || getContainingBlock(element) || window;
 								  }
 								  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';
 								  var variationPlacements = /*#__PURE__*/basePlacements.reduce(function (acc, placement) {
 								    return acc.concat([placement + "-" + start, placement + "-" + end]);
 								  }, []);
 								  var placements = /*#__PURE__*/[].concat(basePlacements, [auto]).reduce(function (acc, placement) {
 								    return acc.concat([placement, placement + "-" + start, placement + "-" + end]);
 								  }, []); // modifiers that need to read the DOM
 								  var beforeRead = 'beforeRead';
 								  var read = 'read';
 								  var afterRead = 'afterRead'; // pure-logic modifiers
 								  var beforeMain = 'beforeMain';
 								  var main = 'main';
 								  var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state)
 								  var beforeWrite = 'beforeWrite';
 								  var write = 'write';
 								  var afterWrite = 'afterWrite';
 								  var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite];
 								  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
 								    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);
 								          if (depModifier) {
 								            sort(depModifier);
 								          }
 								        }
 								      });
 								      result.push(modifier);
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    modifiers.forEach(function (modifier) {
 								      if (!visited.has(modifier.name)) {
 								        // check for visited object
 								        sort(modifier);
 								      }
 								    });
 								    return result;
 								  }
 								  function orderModifiers(modifiers) {
 								    // order based on dependencies
 								    var orderedModifiers = order(modifiers); // order based on phase
 								    return modifierPhases.reduce(function (acc, phase) {
 								      return acc.concat(orderedModifiers.filter(function (modifier) {
 								        return modifier.phase === phase;
 								      }));
 								    }, []);
 								  }
 								  function debounce(fn) {
 								    var pending;
 								    return function () {
 								      if (!pending) {
 								        pending = new Promise(function (resolve) {
 								          Promise.resolve().then(function () {
 								            pending = undefined;
 								            resolve(fn());
 								          });
 								        });
 								      }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      return pending;
 								    };
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  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];
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    return [].concat(args).reduce(function (p, c) {
 								      return p.replace(/%s/, c);
 								    }, str);
 								  }
 								  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) {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      [].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) {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								        switch (key) {
 								          case 'name':
 								            if (typeof modifier.name !== 'string') {
 								              console.error(format(INVALID_MODIFIER_ERROR, String(modifier.name), '"name"', '"string"', "\"" + String(modifier.name) + "\""));
 								            }
 								            break;
 								          case 'enabled':
 								            if (typeof modifier.enabled !== 'boolean') {
 								              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"enabled"', '"boolean"', "\"" + String(modifier.enabled) + "\""));
 								            }
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								            break;
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								          case 'phase':
 								            if (modifierPhases.indexOf(modifier.phase) < 0) {
 								              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"phase"', "either " + modifierPhases.join(', '), "\"" + String(modifier.phase) + "\""));
 								            }
 								            break;
 								          case 'fn':
 								            if (typeof modifier.fn !== 'function') {
 								              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"fn"', '"function"', "\"" + String(modifier.fn) + "\""));
 								            }
 								            break;
 								          case 'effect':
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								            if (modifier.effect != null && typeof modifier.effect !== 'function') {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"effect"', '"function"', "\"" + String(modifier.fn) + "\""));
 								            }
 								            break;
 								          case 'requires':
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								            if (modifier.requires != null && !Array.isArray(modifier.requires)) {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"requires"', '"array"', "\"" + String(modifier.requires) + "\""));
 								            }
 								            break;
 								          case 'requiresIfExists':
 								            if (!Array.isArray(modifier.requiresIfExists)) {
 								              console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"requiresIfExists"', '"array"', "\"" + String(modifier.requiresIfExists) + "\""));
 								            }
 								            break;
 								          case 'options':
 								          case 'data':
 								            break;
 								          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.");
 								        }
 								        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));
 								          }
 								        });
 								      });
 								    });
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+								  }
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+								  function uniqueBy(arr, fn) {
 								    var identifiers = new Set();
 								    return arr.filter(function (item) {
 								      var identifier = fn(item);
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+								      if (!identifiers.has(identifier)) {
 								        identifiers.add(identifier);
 								        return true;
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+								      }
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+								    });
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+								  }
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+								  function getBasePlacement(placement) {
 								    return placement.split('-')[0];
 								  }
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+								  function mergeByName(modifiers) {
 								    var merged = modifiers.reduce(function (merged, current) {
 								      var existing = merged[current.name];
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+								      merged[current.name] = existing ? Object.assign({}, existing, current, {
 								        options: Object.assign({}, existing.options, current.options),
 								        data: Object.assign({}, existing.data, current.data)
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+								      }) : current;
 								      return merged;
 								    }, {}); // IE11 does not support Object.values
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+								    return Object.keys(merged).map(function (key) {
 								      return merged[key];
 								    });
 								  }
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+								  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.
 								    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
 								      if (!/^((?!chrome|android).)*safari/i.test(navigator.userAgent)) {
 								        x = visualViewport.offsetLeft;
 								        y = visualViewport.offsetTop;
 								      }
 								    }
 								    return {
 								      width: width,
 								      height: height,
 								      x: x + getWindowScrollBarX(element),
 								      y: y
 								    };
 								  }
 								  var max = Math.max;
 								  var min = Math.min;
 								  var round = Math.round;
 								  // of the `<html>` and `<body>` rect bounds if horizontally scrollable
 								  function getDocumentRect(element) {
 								    var _element$ownerDocumen;
 								    var html = getDocumentElement(element);
 								    var winScroll = getWindowScroll(element);
 								    var body = (_element$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;
 								    if (getComputedStyle(body || html).direction === 'rtl') {
 								      x += max(html.clientWidth, body ? body.clientWidth : 0) - width;
 								    }
 								    return {
 								      width: width,
 								      height: height,
 								      x: x,
 								      y: y
 								    };
 								  }
 								  function contains(parent, child) {
 								    var rootNode = child.getRootNode && child.getRootNode(); // First, attempt with faster native method
 								    if (parent.contains(child)) {
 								      return true;
 								    } // then fallback to custom implementation with Shadow DOM support
 								    else if (rootNode && isShadowRoot(rootNode)) {
 								        var next = child;
 								        do {
 								          if (next && parent.isSameNode(next)) {
 								            return true;
 								          } // $FlowFixMe[prop-missing]: need a better way to handle this...
 								          next = next.parentNode || next.host;
 								        } while (next);
 								      } // Give up, the result is false
 								    return false;
 								  }
 								  function rectToClientRect(rect) {
 								    return Object.assign({}, rect, {
 								      left: rect.x,
 								      top: rect.y,
 								      right: rect.x + rect.width,
 								      bottom: rect.y + rect.height
 								    });
 								  }
 								  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;
 								  }
 								  function getClientRectFromMixedType(element, clippingParent) {
 								    return clippingParent === viewport ? rectToClientRect(getViewportRect(element)) : isHTMLElement(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`
 								  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;
 								    if (!isElement(clipperElement)) {
 								      return [];
 								    } // $FlowFixMe[incompatible-return]: https://github.com/facebook/flow/issues/1414
 								    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
 								  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;
 								  }
 								  function getVariation(placement) {
 								    return placement.split('-')[1];
 								  }
 								  function getMainAxisFromPlacement(placement) {
 								    return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y';
 								  }
 								  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;
 								    switch (basePlacement) {
 								      case top:
 								        offsets = {
 								          x: commonX,
 								          y: reference.y - element.height
 								        };
 								        break;
 								      case bottom:
 								        offsets = {
 								          x: commonX,
 								          y: reference.y + reference.height
 								        };
 								        break;
 								      case right:
 								        offsets = {
 								          x: reference.x + reference.width,
 								          y: commonY
 								        };
 								        break;
 								      case left:
 								        offsets = {
 								          x: reference.x - element.width,
 								          y: commonY
 								        };
 								        break;
 								      default:
 								        offsets = {
 								          x: reference.x,
 								          y: reference.y
 								        };
 								    }
 								    var mainAxis = basePlacement ? getMainAxisFromPlacement(basePlacement) : null;
 								    if (mainAxis != null) {
 								      var len = mainAxis === 'y' ? 'height' : 'width';
 								      switch (variation) {
 								        case start:
 								          offsets[mainAxis] = offsets[mainAxis] - (reference[len] / 2 - element[len] / 2);
 								          break;
 								        case end:
 								          offsets[mainAxis] = offsets[mainAxis] + (reference[len] / 2 - element[len] / 2);
 								          break;
 								      }
 								    }
 								    return offsets;
 								  }
 								  function getFreshSideObject() {
 								    return {
 								      top: 0,
 								      right: 0,
 								      bottom: 0,
 								      left: 0
 								    };
 								  }
 								  function mergePaddingObject(paddingObject) {
 								    return Object.assign({}, getFreshSideObject(), paddingObject);
 								  }
 								  function expandToHashMap(value, keys) {
 								    return keys.reduce(function (hashMap, key) {
 								      hashMap[key] = value;
 								      return hashMap;
 								    }, {});
 								  }
 								  function detectOverflow(state, options) {
 								    if (options === void 0) {
 								      options = {};
 								    }
 								    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
 								    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
 								    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;
 								      });
 								    }
 								    return overflowOffsets;
 								  }
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+								  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'
 								  };
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+								  function areValidElements() {
 								    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
 								      args[_key] = arguments[_key];
 								    }
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+								    return !args.some(function (element) {
 								      return !(element && typeof element.getBoundingClientRect === 'function');
 								    });
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+								  }
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+								  function popperGenerator(generatorOptions) {
 								    if (generatorOptions === void 0) {
 								      generatorOptions = {};
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+								    }
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+								    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;
 								      }
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+								      var state = {
 								        placement: 'bottom',
 								        orderedModifiers: [],
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+								        options: Object.assign({}, DEFAULT_OPTIONS, defaultOptions),
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+								        modifiersData: {},
 								        elements: {
 								          reference: reference,
 								          popper: popper
 								        },
 								        attributes: {},
 								        styles: {}
 								      };
 								      var effectCleanupFns = [];
 								      var isDestroyed = false;
 								      var instance = {
 								        state: state,
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+								        setOptions: function setOptions(setOptionsAction) {
 								          var options = typeof setOptionsAction === 'function' ? setOptionsAction(state.options) : setOptionsAction;
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+								          cleanupModifierEffects();
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+								          state.options = Object.assign({}, defaultOptions, state.options, options);
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+								          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
 								          var orderedModifiers = orderModifiers(mergeByName([].concat(defaultModifiers, state.options.modifiers))); // Strip out disabled modifiers
 								          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
 								          {
 								            var modifiers = uniqueBy([].concat(orderedModifiers, state.options.modifiers), function (_ref) {
 								              var name = _ref.name;
 								              return name;
 								            });
 								            validateModifiers(modifiers);
 								            if (getBasePlacement(state.options.placement) === auto) {
 								              var flipModifier = state.orderedModifiers.find(function (_ref2) {
 								                var name = _ref2.name;
 								                return name === 'flip';
 								              });
 								              if (!flipModifier) {
 								                console.error(['Popper: "auto" placements require the "flip" modifier be', 'present and enabled to work.'].join(' '));
 								              }
 								            }
 								            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
 								            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(' '));
 								            }
 								          }
 								          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;
 								          }
 								          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
 								          if (!areValidElements(reference, popper)) {
 								            {
 								              console.error(INVALID_ELEMENT_ERROR);
 								            }
 								            return;
 								          } // Store the reference and popper rects to be read by modifiers
 								          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
 								          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 `${name}#persistent`
 								          state.orderedModifiers.forEach(function (modifier) {
 								            return state.modifiersData[modifier.name] = Object.assign({}, modifier.data);
 								          });
 								          var __debug_loops__ = 0;
 								          for (var index = 0; index < state.orderedModifiers.length; index++) {
 								            {
 								              __debug_loops__ += 1;
 								              if (__debug_loops__ > 100) {
 								                console.error(INFINITE_LOOP_ERROR);
 								                break;
 								              }
 								            }
 								            if (state.reset === true) {
 								              state.reset = false;
 								              index = -1;
 								              continue;
 								            }
 								            var _state$orderedModifie = state.orderedModifiers[index],
 								                fn = _state$orderedModifie.fn,
 								                _state$orderedModifie2 = _state$orderedModifie.options,
 								                _options = _state$orderedModifie2 === void 0 ? {} : _state$orderedModifie2,
 								                name = _state$orderedModifie.name;
 								            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;
 								        }
 								      };
 								      if (!areValidElements(reference, popper)) {
 								        {
 								          console.error(INVALID_ELEMENT_ERROR);
 								        }
 								        return instance;
 								      }
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+								      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.
 								      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;
 								          if (typeof effect === 'function') {
 								            var cleanupFn = effect({
 								              state: state,
 								              name: name,
 								              instance: instance,
 								              options: options
 								            });
 								            var noopFn = function noopFn() {};
 								            effectCleanupFns.push(cleanupFn || noopFn);
 								          }
 								        });
 								      }
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-												update django verstion and libraries

											
										
										
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+								      function cleanupModifierEffects() {
 								        effectCleanupFns.forEach(function (fn) {
 								          return fn();
 								        });
 								        effectCleanupFns = [];
 								      }
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-												update django verstion and libraries

											
										
										
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+								      return instance;
 								    };
 								  }
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  var passive = {
 								    passive: true
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											2018-02-10 13:44:14 +01:00
+								  };
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								  function effect$2(_ref) {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    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);
 								    if (scroll) {
 								      scrollParents.forEach(function (scrollParent) {
 								        scrollParent.addEventListener('scroll', instance.update, passive);
 								      });
 								    }
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (resize) {
 								      window.addEventListener('resize', instance.update, passive);
 								    }
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    return function () {
 								      if (scroll) {
 								        scrollParents.forEach(function (scrollParent) {
 								          scrollParent.removeEventListener('scroll', instance.update, passive);
 								        });
 								      }
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											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      if (resize) {
 								        window.removeEventListener('resize', instance.update, passive);
 								      }
 								    };
 								  } // eslint-disable-next-line import/no-unused-modules
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 								  var eventListeners = {
 								    name: 'eventListeners',
 								    enabled: true,
 								    phase: 'write',
 								    fn: function fn() {},
 								    effect: effect$2,
 								    data: {}
 								  };
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 								  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
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  var popperOffsets$1 = {
 								    name: 'popperOffsets',
 								    enabled: true,
 								    phase: 'read',
 								    fn: popperOffsets,
 								    data: {}
 								  };
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  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.
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								  function roundOffsetsByDPR(_ref) {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var x = _ref.x,
 								        y = _ref.y;
 								    var win = window;
 								    var dpr = win.devicePixelRatio || 1;
 								    return {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      x: round(round(x * dpr) / dpr) || 0,
 								      y: round(round(y * dpr) / dpr) || 0
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    };
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											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function mapToStyles(_ref2) {
 								    var _Object$assign2;
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var popper = _ref2.popper,
 								        popperRect = _ref2.popperRect,
 								        placement = _ref2.placement,
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								        variation = _ref2.variation,
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											2020-06-10 12:50:59 +02:00
+								        offsets = _ref2.offsets,
 								        position = _ref2.position,
 								        gpuAcceleration = _ref2.gpuAcceleration,
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+								        adaptive = _ref2.adaptive,
 								        roundOffsets = _ref2.roundOffsets;
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											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    var _ref3 = roundOffsets === true ? roundOffsetsByDPR(offsets) : typeof roundOffsets === 'function' ? roundOffsets(offsets) : offsets,
 								        _ref3$x = _ref3.x,
 								        x = _ref3$x === void 0 ? 0 : _ref3$x,
 								        _ref3$y = _ref3.y,
 								        y = _ref3$y === void 0 ? 0 : _ref3$y;
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var hasX = offsets.hasOwnProperty('x');
 								    var hasY = offsets.hasOwnProperty('y');
 								    var sideX = left;
 								    var sideY = top;
 								    var win = window;
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (adaptive) {
 								      var offsetParent = getOffsetParent(popper);
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      var heightProp = 'clientHeight';
 								      var widthProp = 'clientWidth';
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											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      if (offsetParent === getWindow(popper)) {
 								        offsetParent = getDocumentElement(popper);
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											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								        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
 								      offsetParent = offsetParent;
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											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      if (placement === top || (placement === left || placement === right) && variation === end) {
 								        sideY = bottom; // $FlowFixMe[prop-missing]
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											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								        y -= offsetParent[heightProp] - popperRect.height;
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								        y *= gpuAcceleration ? 1 : -1;
 								      }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      if (placement === left || (placement === top || placement === bottom) && variation === end) {
 								        sideX = right; // $FlowFixMe[prop-missing]
 								        x -= offsetParent[widthProp] - popperRect.width;
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								        x *= gpuAcceleration ? 1 : -1;
 								      }
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var commonStyles = Object.assign({
 								      position: position
 								    }, adaptive && unsetSides);
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (gpuAcceleration) {
 								      var _Object$assign;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      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));
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								    }
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    return Object.assign({}, commonStyles, (_Object$assign2 = {}, _Object$assign2[sideY] = hasY ? y + "px" : '', _Object$assign2[sideX] = hasX ? x + "px" : '', _Object$assign2.transform = '', _Object$assign2));
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								  function computeStyles(_ref4) {
 								    var state = _ref4.state,
 								        options = _ref4.options;
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var _options$gpuAccelerat = options.gpuAcceleration,
 								        gpuAcceleration = _options$gpuAccelerat === void 0 ? true : _options$gpuAccelerat,
 								        _options$adaptive = options.adaptive,
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								        adaptive = _options$adaptive === void 0 ? true : _options$adaptive,
 								        _options$roundOffsets = options.roundOffsets,
 								        roundOffsets = _options$roundOffsets === void 0 ? true : _options$roundOffsets;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    {
 								      var transitionProperty = getComputedStyle(state.elements.popper).transitionProperty || '';
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      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(' '));
 								      }
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var commonStyles = {
 								      placement: getBasePlacement(state.placement),
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      variation: getVariation(state.placement),
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      popper: state.elements.popper,
 								      popperRect: state.rects.popper,
 								      gpuAcceleration: gpuAcceleration
 								    };
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (state.modifiersData.popperOffsets != null) {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      state.styles.popper = Object.assign({}, state.styles.popper, mapToStyles(Object.assign({}, commonStyles, {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								        offsets: state.modifiersData.popperOffsets,
 								        position: state.options.strategy,
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								        adaptive: adaptive,
 								        roundOffsets: roundOffsets
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      })));
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (state.modifiersData.arrow != null) {
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      state.styles.arrow = Object.assign({}, state.styles.arrow, mapToStyles(Object.assign({}, commonStyles, {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								        offsets: state.modifiersData.arrow,
 								        position: 'absolute',
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								        adaptive: false,
 								        roundOffsets: roundOffsets
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      })));
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    state.attributes.popper = Object.assign({}, state.attributes.popper, {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      'data-popper-placement': state.placement
 								    });
 								  } // eslint-disable-next-line import/no-unused-modules
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  var computeStyles$1 = {
 								    name: 'computeStyles',
 								    enabled: true,
 								    phase: 'beforeWrite',
 								    fn: computeStyles,
 								    data: {}
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  };
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  // and applies them to the HTMLElements such as popper and arrow
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  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
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      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
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								      // $FlowFixMe[cannot-write]
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      Object.assign(element.style, style);
 								      Object.keys(attributes).forEach(function (name) {
 								        var value = attributes[name];
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								        if (value === false) {
 								          element.removeAttribute(name);
 								        } else {
 								          element.setAttribute(name, value === true ? '' : value);
 								        }
 								      });
 								    });
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function effect$1(_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);
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    state.styles = initialStyles;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (state.elements.arrow) {
 								      Object.assign(state.elements.arrow.style, initialStyles.arrow);
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    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
 								        var style = styleProperties.reduce(function (style, property) {
 								          style[property] = '';
 								          return style;
 								        }, {}); // arrow is optional + virtual elements
 								        if (!isHTMLElement(element) || !getNodeName(element)) {
 								          return;
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								        }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
 								        Object.assign(element.style, style);
 								        Object.keys(attributes).forEach(function (attribute) {
 								          element.removeAttribute(attribute);
 								        });
 								      });
 								    };
 								  } // eslint-disable-next-line import/no-unused-modules
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+								  var applyStyles$1 = {
 								    name: 'applyStyles',
 								    enabled: true,
 								    phase: 'write',
 								    fn: applyStyles,
 								    effect: effect$1,
 								    requires: ['computeStyles']
 								  };
 								  function distanceAndSkiddingToXY(placement, rects, offset) {
 								    var basePlacement = getBasePlacement(placement);
 								    var invertDistance = [left, top].indexOf(basePlacement) >= 0 ? -1 : 1;
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+								    var _ref = typeof offset === 'function' ? offset(Object.assign({}, rects, {
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											2020-06-10 12:50:59 +02:00
+								      placement: placement
 								    })) : offset,
 								        skidding = _ref[0],
 								        distance = _ref[1];
 								    skidding = skidding || 0;
 								    distance = (distance || 0) * invertDistance;
 								    return [left, right].indexOf(basePlacement) >= 0 ? {
 								      x: distance,
 								      y: skidding
 								    } : {
 								      x: skidding,
 								      y: distance
 								    };
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+								  }
-												update django verstion and libraries

											
										
										
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+								  function offset(_ref2) {
 								    var state = _ref2.state,
 								        options = _ref2.options,
 								        name = _ref2.name;
 								    var _options$offset = options.offset,
 								        offset = _options$offset === void 0 ? [0, 0] : _options$offset;
 								    var data = placements.reduce(function (acc, placement) {
 								      acc[placement] = distanceAndSkiddingToXY(placement, state.rects, offset);
 								      return acc;
 								    }, {});
 								    var _data$state$placement = data[state.placement],
 								        x = _data$state$placement.x,
 								        y = _data$state$placement.y;
 								    if (state.modifiersData.popperOffsets != null) {
 								      state.modifiersData.popperOffsets.x += x;
 								      state.modifiersData.popperOffsets.y += y;
 								    }
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+								    state.modifiersData[name] = data;
 								  } // eslint-disable-next-line import/no-unused-modules
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  var offset$1 = {
 								    name: 'offset',
 								    enabled: true,
 								    phase: 'main',
 								    requires: ['popperOffsets'],
 								    fn: offset
 								  };
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-												Update local js files

											
										
										
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+								  var hash$1 = {
-												update django verstion and libraries

											
										
										
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+								    left: 'right',
 								    right: 'left',
 								    bottom: 'top',
 								    top: 'bottom'
 								  };
 								  function getOppositePlacement(placement) {
 								    return placement.replace(/left|right|bottom|top/g, function (matched) {
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+								      return hash$1[matched];
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											2020-06-10 12:50:59 +02:00
+								    });
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											2018-02-10 13:44:14 +01:00
+								  }
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											2020-06-10 12:50:59 +02:00
-												Update local js files

											
										
										
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+								  var hash = {
-												update django verstion and libraries

											
										
										
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+								    start: 'end',
 								    end: 'start'
 								  };
 								  function getOppositeVariationPlacement(placement) {
 								    return placement.replace(/start|end/g, function (matched) {
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+								      return hash[matched];
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											2020-06-10 12:50:59 +02:00
+								    });
 								  }
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-												update django verstion and libraries

											
										
										
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+								  function computeAutoPlacement(state, options) {
 								    if (options === void 0) {
 								      options = {};
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+								    }
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+								    var _options = options,
 								        placement = _options.placement,
 								        boundary = _options.boundary,
 								        rootBoundary = _options.rootBoundary,
 								        padding = _options.padding,
 								        flipVariations = _options.flipVariations,
 								        _options$allowedAutoP = _options.allowedAutoPlacements,
 								        allowedAutoPlacements = _options$allowedAutoP === void 0 ? placements : _options$allowedAutoP;
 								    var variation = getVariation(placement);
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+								    var placements$1 = variation ? flipVariations ? variationPlacements : variationPlacements.filter(function (placement) {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      return getVariation(placement) === variation;
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+								    }) : basePlacements;
 								    var allowedPlacements = placements$1.filter(function (placement) {
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											2020-06-10 12:50:59 +02:00
+								      return allowedAutoPlacements.indexOf(placement) >= 0;
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+								    });
-												update django verstion and libraries

											
										
										
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-												Update local js files

											
										
										
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+								    if (allowedPlacements.length === 0) {
 								      allowedPlacements = placements$1;
 								      {
 								        console.error(['Popper: The `allowedAutoPlacements` option did not allow any', 'placements. Ensure the `placement` option matches the variation', 'of the allowed placements.', 'For example, "auto" cannot be used to allow "bottom-start".', 'Use "auto-start" instead.'].join(' '));
 								      }
 								    } // $FlowFixMe[incompatible-type]: Flow seems to have problems with two array unions...
 								    var overflows = allowedPlacements.reduce(function (acc, placement) {
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											2020-06-10 12:50:59 +02:00
+								      acc[placement] = detectOverflow(state, {
 								        placement: placement,
 								        boundary: boundary,
 								        rootBoundary: rootBoundary,
 								        padding: padding
 								      })[getBasePlacement(placement)];
 								      return acc;
 								    }, {});
 								    return Object.keys(overflows).sort(function (a, b) {
 								      return overflows[a] - overflows[b];
 								    });
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											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getExpandedFallbackPlacements(placement) {
 								    if (getBasePlacement(placement) === auto) {
 								      return [];
 								    }
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    var oppositePlacement = getOppositePlacement(placement);
 								    return [getOppositeVariationPlacement(placement), oppositePlacement, getOppositeVariationPlacement(oppositePlacement)];
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											2018-02-10 13:44:14 +01:00
+								  }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function flip(_ref) {
 								    var state = _ref.state,
 								        options = _ref.options,
 								        name = _ref.name;
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (state.modifiersData[name]._skip) {
 								      return;
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+								    }
-												update django verstion and libraries

											
										
										
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+								    var _options$mainAxis = options.mainAxis,
 								        checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis,
 								        _options$altAxis = options.altAxis,
 								        checkAltAxis = _options$altAxis === void 0 ? true : _options$altAxis,
 								        specifiedFallbackPlacements = options.fallbackPlacements,
 								        padding = options.padding,
 								        boundary = options.boundary,
 								        rootBoundary = options.rootBoundary,
 								        altBoundary = options.altBoundary,
 								        _options$flipVariatio = options.flipVariations,
 								        flipVariations = _options$flipVariatio === void 0 ? true : _options$flipVariatio,
 								        allowedAutoPlacements = options.allowedAutoPlacements;
 								    var preferredPlacement = state.options.placement;
 								    var basePlacement = getBasePlacement(preferredPlacement);
 								    var isBasePlacement = basePlacement === preferredPlacement;
 								    var fallbackPlacements = specifiedFallbackPlacements || (isBasePlacement || !flipVariations ? [getOppositePlacement(preferredPlacement)] : getExpandedFallbackPlacements(preferredPlacement));
 								    var placements = [preferredPlacement].concat(fallbackPlacements).reduce(function (acc, placement) {
 								      return acc.concat(getBasePlacement(placement) === auto ? computeAutoPlacement(state, {
 								        placement: placement,
 								        boundary: boundary,
 								        rootBoundary: rootBoundary,
 								        padding: padding,
 								        flipVariations: flipVariations,
 								        allowedAutoPlacements: allowedAutoPlacements
 								      }) : placement);
 								    }, []);
 								    var referenceRect = state.rects.reference;
 								    var popperRect = state.rects.popper;
 								    var checksMap = new Map();
 								    var makeFallbackChecks = true;
 								    var firstFittingPlacement = placements[0];
 								    for (var i = 0; i < placements.length; i++) {
 								      var placement = placements[i];
 								      var _basePlacement = getBasePlacement(placement);
 								      var isStartVariation = getVariation(placement) === start;
 								      var isVertical = [top, bottom].indexOf(_basePlacement) >= 0;
 								      var len = isVertical ? 'width' : 'height';
 								      var overflow = detectOverflow(state, {
 								        placement: placement,
 								        boundary: boundary,
 								        rootBoundary: rootBoundary,
 								        altBoundary: altBoundary,
 								        padding: padding
 								      });
 								      var mainVariationSide = isVertical ? isStartVariation ? right : left : isStartVariation ? bottom : top;
 								      if (referenceRect[len] > popperRect[len]) {
 								        mainVariationSide = getOppositePlacement(mainVariationSide);
 								      }
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      var altVariationSide = getOppositePlacement(mainVariationSide);
 								      var checks = [];
 								      if (checkMainAxis) {
 								        checks.push(overflow[_basePlacement] <= 0);
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								      }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      if (checkAltAxis) {
 								        checks.push(overflow[mainVariationSide] <= 0, overflow[altVariationSide] <= 0);
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								      }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      if (checks.every(function (check) {
 								        return check;
 								      })) {
 								        firstFittingPlacement = placement;
 								        makeFallbackChecks = false;
 								        break;
 								      }
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      checksMap.set(placement, checks);
 								    }
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (makeFallbackChecks) {
 								      // `2` may be desired in some cases – research later
 								      var numberOfChecks = flipVariations ? 3 : 1;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      var _loop = function _loop(_i) {
 								        var fittingPlacement = placements.find(function (placement) {
 								          var checks = checksMap.get(placement);
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								          if (checks) {
 								            return checks.slice(0, _i).every(function (check) {
 								              return check;
 								            });
 								          }
 								        });
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-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								        if (fittingPlacement) {
 								          firstFittingPlacement = fittingPlacement;
 								          return "break";
 								        }
 								      };
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      for (var _i = numberOfChecks; _i > 0; _i--) {
 								        var _ret = _loop(_i);
 								        if (_ret === "break") break;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								      }
 								    }
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (state.placement !== firstFittingPlacement) {
 								      state.modifiersData[name]._skip = true;
 								      state.placement = firstFittingPlacement;
 								      state.reset = true;
 								    }
 								  } // eslint-disable-next-line import/no-unused-modules
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  var flip$1 = {
 								    name: 'flip',
 								    enabled: true,
 								    phase: 'main',
 								    fn: flip,
 								    requiresIfExists: ['offset'],
 								    data: {
 								      _skip: false
 								    }
 								  };
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  function getAltAxis(axis) {
 								    return axis === 'x' ? 'y' : 'x';
 								  }
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								  function within(min$1, value, max$1) {
 								    return max(min$1, min(value, max$1));
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								  }
 								  function preventOverflow(_ref) {
 								    var state = _ref.state,
 								        options = _ref.options,
 								        name = _ref.name;
 								    var _options$mainAxis = options.mainAxis,
 								        checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis,
 								        _options$altAxis = options.altAxis,
 								        checkAltAxis = _options$altAxis === void 0 ? false : _options$altAxis,
 								        boundary = options.boundary,
 								        rootBoundary = options.rootBoundary,
 								        altBoundary = options.altBoundary,
 								        padding = options.padding,
 								        _options$tether = options.tether,
 								        tether = _options$tether === void 0 ? true : _options$tether,
 								        _options$tetherOffset = options.tetherOffset,
 								        tetherOffset = _options$tetherOffset === void 0 ? 0 : _options$tetherOffset;
 								    var overflow = detectOverflow(state, {
 								      boundary: boundary,
 								      rootBoundary: rootBoundary,
 								      padding: padding,
 								      altBoundary: altBoundary
 								    });
 								    var basePlacement = getBasePlacement(state.placement);
 								    var variation = getVariation(state.placement);
 								    var isBasePlacement = !variation;
 								    var mainAxis = getMainAxisFromPlacement(basePlacement);
 								    var altAxis = getAltAxis(mainAxis);
 								    var popperOffsets = state.modifiersData.popperOffsets;
 								    var referenceRect = state.rects.reference;
 								    var popperRect = state.rects.popper;
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								    var tetherOffsetValue = typeof tetherOffset === 'function' ? tetherOffset(Object.assign({}, state.rects, {
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      placement: state.placement
 								    })) : tetherOffset;
 								    var data = {
 								      x: 0,
 								      y: 0
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								    };
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								    if (!popperOffsets) {
 								      return;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
+								    }
-												Update local js files

											
										
										
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+								    if (checkMainAxis || checkAltAxis) {
-												update django verstion and libraries

											
										
										
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+								      var mainSide = mainAxis === 'y' ? top : left;
 								      var altSide = mainAxis === 'y' ? bottom : right;
 								      var len = mainAxis === 'y' ? 'height' : 'width';
 								      var offset = popperOffsets[mainAxis];
-												Update local js files

											
										
										
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+								      var min$1 = popperOffsets[mainAxis] + overflow[mainSide];
 								      var max$1 = popperOffsets[mainAxis] - overflow[altSide];
-												update django verstion and libraries

											
										
										
											2020-06-10 12:50:59 +02:00
+								      var additive = tether ? -popperRect[len] / 2 : 0;
 								      var minLen = variation === start ? referenceRect[len] : popperRect[len];
 								      var maxLen = variation === start ? -popperRect[len] : -referenceRect[len]; // We need to include the arrow in the calculation so the arrow doesn't go
 								      // outside the reference bounds
 								      var arrowElement = state.elements.arrow;
 								      var arrowRect = tether && arrowElement ? getLayoutRect(arrowElement) : {
 								        width: 0,
 								        height: 0
 								      };
 								      var arrowPaddingObject = state.modifiersData['arrow#persistent'] ? state.modifiersData['arrow#persistent'].padding : getFreshSideObject();
 								      var arrowPaddingMin = arrowPaddingObject[mainSide];
 								      var arrowPaddingMax = arrowPaddingObject[altSide]; // If the reference length is smaller than the arrow length, we don't want
 								      // to include its full size in the calculation. If the reference is small
 								      // and near the edge of a boundary, the popper can overflow even if the
 								      // reference is not overflowing as well (e.g. virtual elements with no
 								      // width or height)
 								      var arrowLen = within(0, referenceRect[len], arrowRect[len]);
 								      var minOffset = isBasePlacement ? referenceRect[len] / 2 - additive - arrowLen - arrowPaddingMin - tetherOffsetValue : minLen - arrowLen - arrowPaddingMin - tetherOffsetValue;
 								      var maxOffset = isBasePlacement ? -referenceRect[len] / 2 + additive + arrowLen + arrowPaddingMax + tetherOffsetValue : maxLen + arrowLen + arrowPaddingMax + tetherOffsetValue;
 								      var arrowOffsetParent = state.elements.arrow && getOffsetParent(state.elements.arrow);
 								      var clientOffset = arrowOffsetParent ? mainAxis === 'y' ? arrowOffsetParent.clientTop || 0 : arrowOffsetParent.clientLeft || 0 : 0;
 								      var offsetModifierValue = state.modifiersData.offset ? state.modifiersData.offset[state.placement][mainAxis] : 0;
 								      var tetherMin = popperOffsets[mainAxis] + minOffset - offsetModifierValue - clientOffset;
 								      var tetherMax = popperOffsets[mainAxis] + maxOffset - offsetModifierValue;
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-												Update local js files

											
										
										
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+								      if (checkMainAxis) {
 								        var preventedOffset = within(tether ? min(min$1, tetherMin) : min$1, offset, tether ? max(max$1, tetherMax) : max$1);
 								        popperOffsets[mainAxis] = preventedOffset;
 								        data[mainAxis] = preventedOffset - offset;
 								      }
 								      if (checkAltAxis) {
 								        var _mainSide = mainAxis === 'x' ? top : left;
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											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								        var _altSide = mainAxis === 'x' ? bottom : right;
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
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+								        var _offset = popperOffsets[altAxis];
-												update to bootstrap 4

											
										
										
											2018-02-10 13:44:14 +01:00
-												Update local js files

											
										
										
											2021-09-07 13:16:25 +02:00
+								        var _min = _offset + overflow[_mainSide];
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											2018-02-10 13:44:14 +01:00
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+								        var _max = _offset - overflow[_altSide];
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+								        var _preventedOffset = within(tether ? min(_min, tetherMin) : _min, _offset, tether ? max(_max, tetherMax) : _max);
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+								        popperOffsets[altAxis] = _preventedOffset;
 								        data[altAxis] = _preventedOffset - _offset;
 								      }
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+								    }
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+								    state.modifiersData[name] = data;
 								  } // eslint-disable-next-line import/no-unused-modules
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+								  var preventOverflow$1 = {
 								    name: 'preventOverflow',
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+								    enabled: true,
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+								    phase: 'main',
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+								    fn: preventOverflow,
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+								    requiresIfExists: ['offset']
 								  };
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+								  var toPaddingObject = function toPaddingObject(padding, state) {
 								    padding = typeof padding === 'function' ? padding(Object.assign({}, state.rects, {
 								      placement: state.placement
 								    })) : padding;
 								    return mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements));
 								  };
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+								  function arrow(_ref) {
 								    var _state$modifiersData$;
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+								    var state = _ref.state,
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+								        name = _ref.name,
 								        options = _ref.options;
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+								    var arrowElement = state.elements.arrow;
 								    var popperOffsets = state.modifiersData.popperOffsets;
 								    var basePlacement = getBasePlacement(state.placement);
 								    var axis = getMainAxisFromPlacement(basePlacement);
 								    var isVertical = [left, right].indexOf(basePlacement) >= 0;
 								    var len = isVertical ? 'height' : 'width';
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+								    if (!arrowElement || !popperOffsets) {
 								      return;
 								    }
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+								    var paddingObject = toPaddingObject(options.padding, state);
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+								    var arrowRect = getLayoutRect(arrowElement);
 								    var minProp = axis === 'y' ? top : left;
 								    var maxProp = axis === 'y' ? bottom : right;
 								    var endDiff = state.rects.reference[len] + state.rects.reference[axis] - popperOffsets[axis] - state.rects.popper[len];
 								    var startDiff = popperOffsets[axis] - state.rects.reference[axis];
 								    var arrowOffsetParent = getOffsetParent(arrowElement);
 								    var clientSize = arrowOffsetParent ? axis === 'y' ? arrowOffsetParent.clientHeight || 0 : arrowOffsetParent.clientWidth || 0 : 0;
 								    var centerToReference = endDiff / 2 - startDiff / 2; // Make sure the arrow doesn't overflow the popper if the center point is
 								    // outside of the popper bounds
 								    var min = paddingObject[minProp];
 								    var max = clientSize - arrowRect[len] - paddingObject[maxProp];
 								    var center = clientSize / 2 - arrowRect[len] / 2 + centerToReference;
 								    var offset = within(min, center, max); // Prevents breaking syntax highlighting...
 								    var axisProp = axis;
 								    state.modifiersData[name] = (_state$modifiersData$ = {}, _state$modifiersData$[axisProp] = offset, _state$modifiersData$.centerOffset = offset - center, _state$modifiersData$);
 								  }
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+								  function effect(_ref2) {
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+								    var state = _ref2.state,
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+								        options = _ref2.options;
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+								    var _options$element = options.element,
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+								        arrowElement = _options$element === void 0 ? '[data-popper-arrow]' : _options$element;
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 								    if (arrowElement == null) {
 								      return;
 								    } // CSS selector
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+								    if (typeof arrowElement === 'string') {
 								      arrowElement = state.elements.popper.querySelector(arrowElement);
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+								      if (!arrowElement) {
 								        return;
 								      }
 								    }
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+								    {
 								      if (!isHTMLElement(arrowElement)) {
 								        console.error(['Popper: "arrow" element must be an HTMLElement (not an SVGElement).', 'To use an SVG arrow, wrap it in an HTMLElement that will be used as', 'the arrow.'].join(' '));
 								      }
 								    }
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											2020-06-10 12:50:59 +02:00
+								    if (!contains(state.elements.popper, arrowElement)) {
 								      {
 								        console.error(['Popper: "arrow" modifier\'s `element` must be a child of the popper', 'element.'].join(' '));
 								      }
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+								      return;
 								    }
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+								    state.elements.arrow = arrowElement;
 								  } // eslint-disable-next-line import/no-unused-modules
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+								  var arrow$1 = {
 								    name: 'arrow',
 								    enabled: true,
 								    phase: 'main',
 								    fn: arrow,
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+								    effect: effect,
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+								    requires: ['popperOffsets'],
 								    requiresIfExists: ['preventOverflow']
 								  };
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+								  function getSideOffsets(overflow, rect, preventedOffsets) {
 								    if (preventedOffsets === void 0) {
 								      preventedOffsets = {
 								        x: 0,
 								        y: 0
 								      };
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+								    }
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+								    return {
 								      top: overflow.top - rect.height - preventedOffsets.y,
 								      right: overflow.right - rect.width + preventedOffsets.x,
 								      bottom: overflow.bottom - rect.height + preventedOffsets.y,
 								      left: overflow.left - rect.width - preventedOffsets.x
 								    };
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+								  }
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+								  function isAnySideFullyClipped(overflow) {
 								    return [top, right, bottom, left].some(function (side) {
 								      return overflow[side] >= 0;
 								    });
 								  }
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+								  function hide(_ref) {
 								    var state = _ref.state,
 								        name = _ref.name;
 								    var referenceRect = state.rects.reference;
 								    var popperRect = state.rects.popper;
 								    var preventedOffsets = state.modifiersData.preventOverflow;
 								    var referenceOverflow = detectOverflow(state, {
 								      elementContext: 'reference'
 								    });
 								    var popperAltOverflow = detectOverflow(state, {
 								      altBoundary: true
 								    });
 								    var referenceClippingOffsets = getSideOffsets(referenceOverflow, referenceRect);
 								    var popperEscapeOffsets = getSideOffsets(popperAltOverflow, popperRect, preventedOffsets);
 								    var isReferenceHidden = isAnySideFullyClipped(referenceClippingOffsets);
 								    var hasPopperEscaped = isAnySideFullyClipped(popperEscapeOffsets);
 								    state.modifiersData[name] = {
 								      referenceClippingOffsets: referenceClippingOffsets,
 								      popperEscapeOffsets: popperEscapeOffsets,
 								      isReferenceHidden: isReferenceHidden,
 								      hasPopperEscaped: hasPopperEscaped
 								    };
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+								    state.attributes.popper = Object.assign({}, state.attributes.popper, {
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+								      'data-popper-reference-hidden': isReferenceHidden,
 								      'data-popper-escaped': hasPopperEscaped
 								    });
 								  } // eslint-disable-next-line import/no-unused-modules
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+								  var hide$1 = {
 								    name: 'hide',
 								    enabled: true,
 								    phase: 'main',
 								    requiresIfExists: ['preventOverflow'],
 								    fn: hide
 								  };
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+								  var defaultModifiers$1 = [eventListeners, popperOffsets$1, computeStyles$1, applyStyles$1];
 								  var createPopper$1 = /*#__PURE__*/popperGenerator({
 								    defaultModifiers: defaultModifiers$1
 								  }); // eslint-disable-next-line import/no-unused-modules
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+								  var defaultModifiers = [eventListeners, popperOffsets$1, computeStyles$1, applyStyles$1, offset$1, flip$1, preventOverflow$1, arrow$1, hide$1];
 								  var createPopper = /*#__PURE__*/popperGenerator({
 								    defaultModifiers: defaultModifiers
 								  }); // eslint-disable-next-line import/no-unused-modules
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+								  exports.applyStyles = applyStyles$1;
 								  exports.arrow = arrow$1;
 								  exports.computeStyles = computeStyles$1;
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+								  exports.createPopper = createPopper;
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+								  exports.createPopperLite = createPopper$1;
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+								  exports.defaultModifiers = defaultModifiers;
 								  exports.detectOverflow = detectOverflow;
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+								  exports.eventListeners = eventListeners;
 								  exports.flip = flip$1;
 								  exports.hide = hide$1;
 								  exports.offset = offset$1;
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+								  exports.popperGenerator = popperGenerator;
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+								  exports.popperOffsets = popperOffsets$1;
 								  exports.preventOverflow = preventOverflow$1;
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+								  Object.defineProperty(exports, '__esModule', { value: true });
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 								})));
 								//# sourceMappingURL=popper.js.map