1667 lines
		
	
	
		
			58 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			1667 lines
		
	
	
		
			58 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 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 getNodeName(element) {
 | ||
|   return element ? (element.nodeName || '').toLowerCase() : null;
 | ||
| }
 | ||
| 
 | ||
| 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;
 | ||
| }
 | ||
| 
 | ||
| // 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$2(_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$2,
 | ||
|   requires: ['computeStyles']
 | ||
| };
 | ||
| 
 | ||
| function getBasePlacement(placement) {
 | ||
|   return placement.split('-')[0];
 | ||
| }
 | ||
| 
 | ||
| var max = Math.max;
 | ||
| var min = Math.min;
 | ||
| var round = Math.round;
 | ||
| 
 | ||
| function getUAString() {
 | ||
|   var uaData = navigator.userAgentData;
 | ||
|   if (uaData != null && uaData.brands && Array.isArray(uaData.brands)) {
 | ||
|     return uaData.brands.map(function (item) {
 | ||
|       return item.brand + "/" + item.version;
 | ||
|     }).join(' ');
 | ||
|   }
 | ||
|   return navigator.userAgent;
 | ||
| }
 | ||
| 
 | ||
| function isLayoutViewport() {
 | ||
|   return !/^((?!chrome|android).)*safari/i.test(getUAString());
 | ||
| }
 | ||
| 
 | ||
| function getBoundingClientRect(element, includeScale, isFixedStrategy) {
 | ||
|   if (includeScale === void 0) {
 | ||
|     includeScale = false;
 | ||
|   }
 | ||
|   if (isFixedStrategy === void 0) {
 | ||
|     isFixedStrategy = false;
 | ||
|   }
 | ||
|   var clientRect = element.getBoundingClientRect();
 | ||
|   var scaleX = 1;
 | ||
|   var scaleY = 1;
 | ||
|   if (includeScale && isHTMLElement(element)) {
 | ||
|     scaleX = element.offsetWidth > 0 ? round(clientRect.width) / element.offsetWidth || 1 : 1;
 | ||
|     scaleY = element.offsetHeight > 0 ? round(clientRect.height) / element.offsetHeight || 1 : 1;
 | ||
|   }
 | ||
|   var _ref = isElement(element) ? getWindow(element) : window,
 | ||
|     visualViewport = _ref.visualViewport;
 | ||
|   var addVisualOffsets = !isLayoutViewport() && isFixedStrategy;
 | ||
|   var x = (clientRect.left + (addVisualOffsets && visualViewport ? visualViewport.offsetLeft : 0)) / scaleX;
 | ||
|   var y = (clientRect.top + (addVisualOffsets && visualViewport ? visualViewport.offsetTop : 0)) / scaleY;
 | ||
|   var width = clientRect.width / scaleX;
 | ||
|   var height = clientRect.height / scaleY;
 | ||
|   return {
 | ||
|     width: width,
 | ||
|     height: height,
 | ||
|     top: y,
 | ||
|     right: x + width,
 | ||
|     bottom: y + height,
 | ||
|     left: x,
 | ||
|     x: x,
 | ||
|     y: y
 | ||
|   };
 | ||
| }
 | ||
| 
 | ||
| // 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 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 getComputedStyle(element) {
 | ||
|   return getWindow(element).getComputedStyle(element);
 | ||
| }
 | ||
| 
 | ||
| function isTableElement(element) {
 | ||
|   return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0;
 | ||
| }
 | ||
| 
 | ||
| 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 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 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 = /firefox/i.test(getUAString());
 | ||
|   var isIE = /Trident/i.test(getUAString());
 | ||
|   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);
 | ||
|   if (isShadowRoot(currentNode)) {
 | ||
|     currentNode = currentNode.host;
 | ||
|   }
 | ||
|   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;
 | ||
| }
 | ||
| 
 | ||
| function getMainAxisFromPlacement(placement) {
 | ||
|   return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y';
 | ||
| }
 | ||
| 
 | ||
| function within(min$1, value, max$1) {
 | ||
|   return max(min$1, min(value, max$1));
 | ||
| }
 | ||
| function withinMaxClamp(min, value, max) {
 | ||
|   var v = within(min, value, max);
 | ||
|   return v > max ? max : v;
 | ||
| }
 | ||
| 
 | ||
| function getFreshSideObject() {
 | ||
|   return {
 | ||
|     top: 0,
 | ||
|     right: 0,
 | ||
|     bottom: 0,
 | ||
|     left: 0
 | ||
|   };
 | ||
| }
 | ||
| 
 | ||
| function mergePaddingObject(paddingObject) {
 | ||
|   return Object.assign({}, getFreshSideObject(), paddingObject);
 | ||
| }
 | ||
| 
 | ||
| function expandToHashMap(value, keys) {
 | ||
|   return keys.reduce(function (hashMap, key) {
 | ||
|     hashMap[key] = value;
 | ||
|     return hashMap;
 | ||
|   }, {});
 | ||
| }
 | ||
| 
 | ||
| var toPaddingObject = function toPaddingObject(padding, state) {
 | ||
|   padding = typeof padding === 'function' ? padding(Object.assign({}, state.rects, {
 | ||
|     placement: state.placement
 | ||
|   })) : padding;
 | ||
|   return mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements));
 | ||
| };
 | ||
| function arrow(_ref) {
 | ||
|   var _state$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$1(_ref2) {
 | ||
|   var state = _ref2.state,
 | ||
|     options = _ref2.options;
 | ||
|   var _options$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 (!contains(state.elements.popper, arrowElement)) {
 | ||
|     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$1,
 | ||
|   requires: ['popperOffsets'],
 | ||
|   requiresIfExists: ['preventOverflow']
 | ||
| };
 | ||
| 
 | ||
| function getVariation(placement) {
 | ||
|   return placement.split('-')[1];
 | ||
| }
 | ||
| 
 | ||
| var unsetSides = {
 | ||
|   top: 'auto',
 | ||
|   right: 'auto',
 | ||
|   bottom: 'auto',
 | ||
|   left: 'auto'
 | ||
| }; // Round the offsets to the nearest suitable subpixel based on the DPR.
 | ||
| // Zooming can change the DPR, but it seems to report a value that will
 | ||
| // cleanly divide the values into the appropriate subpixels.
 | ||
| 
 | ||
| function roundOffsetsByDPR(_ref, win) {
 | ||
|   var x = _ref.x,
 | ||
|     y = _ref.y;
 | ||
|   var dpr = win.devicePixelRatio || 1;
 | ||
|   return {
 | ||
|     x: round(x * dpr) / dpr || 0,
 | ||
|     y: round(y * dpr) / dpr || 0
 | ||
|   };
 | ||
| }
 | ||
| function mapToStyles(_ref2) {
 | ||
|   var _Object$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,
 | ||
|     isFixed = _ref2.isFixed;
 | ||
|   var _offsets$x = offsets.x,
 | ||
|     x = _offsets$x === void 0 ? 0 : _offsets$x,
 | ||
|     _offsets$y = offsets.y,
 | ||
|     y = _offsets$y === void 0 ? 0 : _offsets$y;
 | ||
|   var _ref3 = typeof roundOffsets === 'function' ? roundOffsets({
 | ||
|     x: x,
 | ||
|     y: y
 | ||
|   }) : {
 | ||
|     x: x,
 | ||
|     y: y
 | ||
|   };
 | ||
|   x = _ref3.x;
 | ||
|   y = _ref3.y;
 | ||
|   var hasX = offsets.hasOwnProperty('x');
 | ||
|   var hasY = offsets.hasOwnProperty('y');
 | ||
|   var sideX = left;
 | ||
|   var sideY = top;
 | ||
|   var win = window;
 | ||
|   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;
 | ||
|       var offsetY = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.height :
 | ||
|       // $FlowFixMe[prop-missing]
 | ||
|       offsetParent[heightProp];
 | ||
|       y -= offsetY - popperRect.height;
 | ||
|       y *= gpuAcceleration ? 1 : -1;
 | ||
|     }
 | ||
|     if (placement === left || (placement === top || placement === bottom) && variation === end) {
 | ||
|       sideX = right;
 | ||
|       var offsetX = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.width :
 | ||
|       // $FlowFixMe[prop-missing]
 | ||
|       offsetParent[widthProp];
 | ||
|       x -= offsetX - popperRect.width;
 | ||
|       x *= gpuAcceleration ? 1 : -1;
 | ||
|     }
 | ||
|   }
 | ||
|   var commonStyles = Object.assign({
 | ||
|     position: position
 | ||
|   }, adaptive && unsetSides);
 | ||
|   var _ref4 = roundOffsets === true ? roundOffsetsByDPR({
 | ||
|     x: x,
 | ||
|     y: y
 | ||
|   }, getWindow(popper)) : {
 | ||
|     x: x,
 | ||
|     y: y
 | ||
|   };
 | ||
|   x = _ref4.x;
 | ||
|   y = _ref4.y;
 | ||
|   if (gpuAcceleration) {
 | ||
|     var _Object$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(_ref5) {
 | ||
|   var state = _ref5.state,
 | ||
|     options = _ref5.options;
 | ||
|   var _options$gpuAccelerat = options.gpuAcceleration,
 | ||
|     gpuAcceleration = _options$gpuAccelerat === void 0 ? true : _options$gpuAccelerat,
 | ||
|     _options$adaptive = options.adaptive,
 | ||
|     adaptive = _options$adaptive === void 0 ? true : _options$adaptive,
 | ||
|     _options$roundOffsets = options.roundOffsets,
 | ||
|     roundOffsets = _options$roundOffsets === void 0 ? true : _options$roundOffsets;
 | ||
|   var commonStyles = {
 | ||
|     placement: getBasePlacement(state.placement),
 | ||
|     variation: getVariation(state.placement),
 | ||
|     popper: state.elements.popper,
 | ||
|     popperRect: state.rects.popper,
 | ||
|     gpuAcceleration: gpuAcceleration,
 | ||
|     isFixed: state.options.strategy === 'fixed'
 | ||
|   };
 | ||
|   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$1 = {
 | ||
|   name: 'computeStyles',
 | ||
|   enabled: true,
 | ||
|   phase: 'beforeWrite',
 | ||
|   fn: computeStyles,
 | ||
|   data: {}
 | ||
| };
 | ||
| 
 | ||
| var passive = {
 | ||
|   passive: true
 | ||
| };
 | ||
| function effect(_ref) {
 | ||
|   var state = _ref.state,
 | ||
|     instance = _ref.instance,
 | ||
|     options = _ref.options;
 | ||
|   var _options$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,
 | ||
|   data: {}
 | ||
| };
 | ||
| 
 | ||
| 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 getWindowScroll(node) {
 | ||
|   var win = getWindow(node);
 | ||
|   var scrollLeft = win.pageXOffset;
 | ||
|   var scrollTop = win.pageYOffset;
 | ||
|   return {
 | ||
|     scrollLeft: scrollLeft,
 | ||
|     scrollTop: scrollTop
 | ||
|   };
 | ||
| }
 | ||
| 
 | ||
| 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 getViewportRect(element, strategy) {
 | ||
|   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;
 | ||
|   if (visualViewport) {
 | ||
|     width = visualViewport.width;
 | ||
|     height = visualViewport.height;
 | ||
|     var layoutViewport = isLayoutViewport();
 | ||
|     if (layoutViewport || !layoutViewport && strategy === 'fixed') {
 | ||
|       x = visualViewport.offsetLeft;
 | ||
|       y = visualViewport.offsetTop;
 | ||
|     }
 | ||
|   }
 | ||
|   return {
 | ||
|     width: width,
 | ||
|     height: height,
 | ||
|     x: x + getWindowScrollBarX(element),
 | ||
|     y: y
 | ||
|   };
 | ||
| }
 | ||
| 
 | ||
| // 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 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 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 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, strategy) {
 | ||
|   var rect = getBoundingClientRect(element, false, strategy === 'fixed');
 | ||
|   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, strategy) {
 | ||
|   return clippingParent === viewport ? rectToClientRect(getViewportRect(element, strategy)) : isElement(clippingParent) ? getInnerBoundingClientRect(clippingParent, strategy) : 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, strategy) {
 | ||
|   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, strategy);
 | ||
|     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, strategy));
 | ||
|   clippingRect.width = clippingRect.right - clippingRect.left;
 | ||
|   clippingRect.height = clippingRect.bottom - clippingRect.top;
 | ||
|   clippingRect.x = clippingRect.left;
 | ||
|   clippingRect.y = clippingRect.top;
 | ||
|   return clippingRect;
 | ||
| }
 | ||
| 
 | ||
| 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 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$strategy = _options.strategy,
 | ||
|     strategy = _options$strategy === void 0 ? state.strategy : _options$strategy,
 | ||
|     _options$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, strategy);
 | ||
|   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;
 | ||
| }
 | ||
| 
 | ||
| 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;
 | ||
|   } // $FlowFixMe[incompatible-type]: Flow seems to have problems with two array unions...
 | ||
| 
 | ||
|   var overflows = allowedPlacements.reduce(function (acc, placement) {
 | ||
|     acc[placement] = detectOverflow(state, {
 | ||
|       placement: placement,
 | ||
|       boundary: boundary,
 | ||
|       rootBoundary: rootBoundary,
 | ||
|       padding: padding
 | ||
|     })[getBasePlacement(placement)];
 | ||
|     return acc;
 | ||
|   }, {});
 | ||
|   return Object.keys(overflows).sort(function (a, b) {
 | ||
|     return overflows[a] - overflows[b];
 | ||
|   });
 | ||
| }
 | ||
| 
 | ||
| function getExpandedFallbackPlacements(placement) {
 | ||
|   if (getBasePlacement(placement) === auto) {
 | ||
|     return [];
 | ||
|   }
 | ||
|   var oppositePlacement = getOppositePlacement(placement);
 | ||
|   return [getOppositeVariationPlacement(placement), oppositePlacement, getOppositeVariationPlacement(oppositePlacement)];
 | ||
| }
 | ||
| function flip(_ref) {
 | ||
|   var state = _ref.state,
 | ||
|     options = _ref.options,
 | ||
|     name = _ref.name;
 | ||
|   if (state.modifiersData[name]._skip) {
 | ||
|     return;
 | ||
|   }
 | ||
|   var _options$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 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$1 = {
 | ||
|   name: 'hide',
 | ||
|   enabled: true,
 | ||
|   phase: 'main',
 | ||
|   requiresIfExists: ['preventOverflow'],
 | ||
|   fn: hide
 | ||
| };
 | ||
| 
 | ||
| function distanceAndSkiddingToXY(placement, rects, offset) {
 | ||
|   var basePlacement = getBasePlacement(placement);
 | ||
|   var invertDistance = [left, top].indexOf(basePlacement) >= 0 ? -1 : 1;
 | ||
|   var _ref = typeof offset === 'function' ? offset(Object.assign({}, rects, {
 | ||
|       placement: placement
 | ||
|     })) : offset,
 | ||
|     skidding = _ref[0],
 | ||
|     distance = _ref[1];
 | ||
|   skidding = skidding || 0;
 | ||
|   distance = (distance || 0) * invertDistance;
 | ||
|   return [left, right].indexOf(basePlacement) >= 0 ? {
 | ||
|     x: distance,
 | ||
|     y: skidding
 | ||
|   } : {
 | ||
|     x: skidding,
 | ||
|     y: distance
 | ||
|   };
 | ||
| }
 | ||
| function offset(_ref2) {
 | ||
|   var state = _ref2.state,
 | ||
|     options = _ref2.options,
 | ||
|     name = _ref2.name;
 | ||
|   var _options$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
 | ||
| };
 | ||
| 
 | ||
| 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$1 = {
 | ||
|   name: 'popperOffsets',
 | ||
|   enabled: true,
 | ||
|   phase: 'read',
 | ||
|   fn: popperOffsets,
 | ||
|   data: {}
 | ||
| };
 | ||
| 
 | ||
| function getAltAxis(axis) {
 | ||
|   return axis === 'x' ? 'y' : 'x';
 | ||
| }
 | ||
| 
 | ||
| function preventOverflow(_ref) {
 | ||
|   var state = _ref.state,
 | ||
|     options = _ref.options,
 | ||
|     name = _ref.name;
 | ||
|   var _options$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$tetherOffset;
 | ||
|   var overflow = detectOverflow(state, {
 | ||
|     boundary: boundary,
 | ||
|     rootBoundary: rootBoundary,
 | ||
|     padding: padding,
 | ||
|     altBoundary: altBoundary
 | ||
|   });
 | ||
|   var basePlacement = getBasePlacement(state.placement);
 | ||
|   var variation = getVariation(state.placement);
 | ||
|   var isBasePlacement = !variation;
 | ||
|   var mainAxis = getMainAxisFromPlacement(basePlacement);
 | ||
|   var altAxis = getAltAxis(mainAxis);
 | ||
|   var popperOffsets = state.modifiersData.popperOffsets;
 | ||
|   var referenceRect = state.rects.reference;
 | ||
|   var popperRect = state.rects.popper;
 | ||
|   var tetherOffsetValue = typeof tetherOffset === 'function' ? tetherOffset(Object.assign({}, state.rects, {
 | ||
|     placement: state.placement
 | ||
|   })) : tetherOffset;
 | ||
|   var normalizedTetherOffsetValue = typeof tetherOffsetValue === 'number' ? {
 | ||
|     mainAxis: tetherOffsetValue,
 | ||
|     altAxis: tetherOffsetValue
 | ||
|   } : Object.assign({
 | ||
|     mainAxis: 0,
 | ||
|     altAxis: 0
 | ||
|   }, tetherOffsetValue);
 | ||
|   var offsetModifierState = state.modifiersData.offset ? state.modifiersData.offset[state.placement] : null;
 | ||
|   var data = {
 | ||
|     x: 0,
 | ||
|     y: 0
 | ||
|   };
 | ||
|   if (!popperOffsets) {
 | ||
|     return;
 | ||
|   }
 | ||
|   if (checkMainAxis) {
 | ||
|     var _offsetModifierState$;
 | ||
|     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 = offset + overflow[mainSide];
 | ||
|     var max$1 = offset - 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 - normalizedTetherOffsetValue.mainAxis : minLen - arrowLen - arrowPaddingMin - normalizedTetherOffsetValue.mainAxis;
 | ||
|     var maxOffset = isBasePlacement ? -referenceRect[len] / 2 + additive + arrowLen + arrowPaddingMax + normalizedTetherOffsetValue.mainAxis : maxLen + arrowLen + arrowPaddingMax + normalizedTetherOffsetValue.mainAxis;
 | ||
|     var arrowOffsetParent = state.elements.arrow && getOffsetParent(state.elements.arrow);
 | ||
|     var clientOffset = arrowOffsetParent ? mainAxis === 'y' ? arrowOffsetParent.clientTop || 0 : arrowOffsetParent.clientLeft || 0 : 0;
 | ||
|     var offsetModifierValue = (_offsetModifierState$ = offsetModifierState == null ? void 0 : offsetModifierState[mainAxis]) != null ? _offsetModifierState$ : 0;
 | ||
|     var tetherMin = offset + minOffset - offsetModifierValue - clientOffset;
 | ||
|     var tetherMax = offset + maxOffset - offsetModifierValue;
 | ||
|     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 _offsetModifierState$2;
 | ||
|     var _mainSide = mainAxis === 'x' ? top : left;
 | ||
|     var _altSide = mainAxis === 'x' ? bottom : right;
 | ||
|     var _offset = popperOffsets[altAxis];
 | ||
|     var _len = altAxis === 'y' ? 'height' : 'width';
 | ||
|     var _min = _offset + overflow[_mainSide];
 | ||
|     var _max = _offset - overflow[_altSide];
 | ||
|     var isOriginSide = [top, left].indexOf(basePlacement) !== -1;
 | ||
|     var _offsetModifierValue = (_offsetModifierState$2 = offsetModifierState == null ? void 0 : offsetModifierState[altAxis]) != null ? _offsetModifierState$2 : 0;
 | ||
|     var _tetherMin = isOriginSide ? _min : _offset - referenceRect[_len] - popperRect[_len] - _offsetModifierValue + normalizedTetherOffsetValue.altAxis;
 | ||
|     var _tetherMax = isOriginSide ? _offset + referenceRect[_len] + popperRect[_len] - _offsetModifierValue - normalizedTetherOffsetValue.altAxis : _max;
 | ||
|     var _preventedOffset = tether && isOriginSide ? withinMaxClamp(_tetherMin, _offset, _tetherMax) : within(tether ? _tetherMin : _min, _offset, tether ? _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']
 | ||
| };
 | ||
| 
 | ||
| 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 isElementScaled(element) {
 | ||
|   var rect = element.getBoundingClientRect();
 | ||
|   var scaleX = round(rect.width) / element.offsetWidth || 1;
 | ||
|   var scaleY = round(rect.height) / element.offsetHeight || 1;
 | ||
|   return scaleX !== 1 || scaleY !== 1;
 | ||
| } // Returns the composite rect of an element relative to its offsetParent.
 | ||
| // Composite means it takes into account transforms as well as layout.
 | ||
| 
 | ||
| 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, isFixed);
 | ||
|   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
 | ||
|   };
 | ||
| }
 | ||
| 
 | ||
| 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 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];
 | ||
|   });
 | ||
| }
 | ||
| 
 | ||
| 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;
 | ||
|         });
 | ||
|         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)) {
 | ||
|           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 `${name}#persistent`
 | ||
| 
 | ||
|         state.orderedModifiers.forEach(function (modifier) {
 | ||
|           return state.modifiersData[modifier.name] = Object.assign({}, modifier.data);
 | ||
|         });
 | ||
|         for (var index = 0; index < state.orderedModifiers.length; index++) {
 | ||
|           if (state.reset === true) {
 | ||
|             state.reset = false;
 | ||
|             index = -1;
 | ||
|             continue;
 | ||
|           }
 | ||
|           var _state$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)) {
 | ||
|       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 (_ref) {
 | ||
|         var name = _ref.name,
 | ||
|           _ref$options = _ref.options,
 | ||
|           options = _ref$options === void 0 ? {} : _ref$options,
 | ||
|           effect = _ref.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 createPopper$2 = /*#__PURE__*/popperGenerator(); // eslint-disable-next-line import/no-unused-modules
 | ||
| 
 | ||
| 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
 | ||
| 
 | ||
| var Popper = /*#__PURE__*/Object.freeze({
 | ||
|   __proto__: null,
 | ||
|   popperGenerator: popperGenerator,
 | ||
|   detectOverflow: detectOverflow,
 | ||
|   createPopperBase: createPopper$2,
 | ||
|   createPopper: createPopper,
 | ||
|   createPopperLite: createPopper$1,
 | ||
|   top: top,
 | ||
|   bottom: bottom,
 | ||
|   right: right,
 | ||
|   left: left,
 | ||
|   auto: auto,
 | ||
|   basePlacements: basePlacements,
 | ||
|   start: start,
 | ||
|   end: end,
 | ||
|   clippingParents: clippingParents,
 | ||
|   viewport: viewport,
 | ||
|   popper: popper,
 | ||
|   reference: reference,
 | ||
|   variationPlacements: variationPlacements,
 | ||
|   placements: placements,
 | ||
|   beforeRead: beforeRead,
 | ||
|   read: read,
 | ||
|   afterRead: afterRead,
 | ||
|   beforeMain: beforeMain,
 | ||
|   main: main,
 | ||
|   afterMain: afterMain,
 | ||
|   beforeWrite: beforeWrite,
 | ||
|   write: write,
 | ||
|   afterWrite: afterWrite,
 | ||
|   modifierPhases: modifierPhases,
 | ||
|   applyStyles: applyStyles$1,
 | ||
|   arrow: arrow$1,
 | ||
|   computeStyles: computeStyles$1,
 | ||
|   eventListeners: eventListeners,
 | ||
|   flip: flip$1,
 | ||
|   hide: hide$1,
 | ||
|   offset: offset$1,
 | ||
|   popperOffsets: popperOffsets$1,
 | ||
|   preventOverflow: preventOverflow$1
 | ||
| });
 | ||
| 
 | ||
| export { Popper as P, createPopper as c };
 |