diff options
Diffstat (limited to 'dist/js/bootstrap.bundle.js')
| -rw-r--r-- | dist/js/bootstrap.bundle.js | 3942 |
1 files changed, 1503 insertions, 2439 deletions
diff --git a/dist/js/bootstrap.bundle.js b/dist/js/bootstrap.bundle.js index 04618e805a..2bd91036a2 100644 --- a/dist/js/bootstrap.bundle.js +++ b/dist/js/bootstrap.bundle.js @@ -1,5 +1,5 @@ /*! - * Bootstrap v5.0.0-alpha3 (https://getbootstrap.com/) + * Bootstrap v5.0.0-beta1 (https://getbootstrap.com/) * Copyright 2011-2020 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors) * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) */ @@ -51,7 +51,7 @@ /** * -------------------------------------------------------------------------- - * Bootstrap (v5.0.0-alpha3): util/index.js + * Bootstrap (v5.0.0-beta1): util/index.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ @@ -236,7 +236,7 @@ /** * -------------------------------------------------------------------------- - * Bootstrap (v5.0.0-alpha3): dom/data.js + * Bootstrap (v5.0.0-beta1): dom/data.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ @@ -303,7 +303,7 @@ /** * -------------------------------------------------------------------------- - * Bootstrap (v5.0.0-alpha3): dom/event-handler.js + * Bootstrap (v5.0.0-beta1): dom/event-handler.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ @@ -582,7 +582,7 @@ * ------------------------------------------------------------------------ */ - var VERSION = '5.0.0-alpha3'; + var VERSION = '5.0.0-beta1'; var BaseComponent = /*#__PURE__*/function () { function BaseComponent(element) { @@ -865,7 +865,7 @@ /** * -------------------------------------------------------------------------- - * Bootstrap (v5.0.0-alpha3): dom/manipulator.js + * Bootstrap (v5.0.0-beta1): dom/manipulator.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ @@ -937,7 +937,7 @@ /** * -------------------------------------------------------------------------- - * Bootstrap (v5.0.0-alpha3): dom/selector-engine.js + * Bootstrap (v5.0.0-beta1): dom/selector-engine.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ @@ -2030,2619 +2030,1720 @@ } }); - /**! - * @fileOverview Kickass library to create and place poppers near their reference elements. - * @version 1.16.1 - * @license - * Copyright (c) 2016 Federico Zivolo and contributors - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && typeof navigator !== 'undefined'; + 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; + } - var timeoutDuration = function () { - var longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox']; - for (var i = 0; i < longerTimeoutBrowsers.length; i += 1) { - if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) { - return 1; - } + /*:: import type { Window } from '../types'; */ + + /*:: declare function getWindow(node: Node | Window): Window; */ + function getWindow(node) { + if (node.toString() !== '[object Window]') { + var ownerDocument = node.ownerDocument; + return ownerDocument ? ownerDocument.defaultView || window : window; } - return 0; - }(); - function microtaskDebounce(fn) { - var called = false; - return function () { - if (called) { - return; - } - called = true; - window.Promise.resolve().then(function () { - called = false; - fn(); - }); - }; + return node; } - function taskDebounce(fn) { - var scheduled = false; - return function () { - if (!scheduled) { - scheduled = true; - setTimeout(function () { - scheduled = false; - fn(); - }, timeoutDuration); - } - }; - } + /*:: declare function isElement(node: mixed): boolean %checks(node instanceof + Element); */ - var supportsMicroTasks = isBrowser && window.Promise; + function isElement$1(node) { + var OwnElement = getWindow(node).Element; + return node instanceof OwnElement || node instanceof Element; + } + /*:: declare function isHTMLElement(node: mixed): boolean %checks(node instanceof + HTMLElement); */ - /** - * Create a debounced version of a method, that's asynchronously deferred - * but called in the minimum time possible. - * - * @method - * @memberof Popper.Utils - * @argument {Function} fn - * @returns {Function} - */ - var debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce; - /** - * Check if the given variable is a function - * @method - * @memberof Popper.Utils - * @argument {Any} functionToCheck - variable to check - * @returns {Boolean} answer to: is a function? - */ - function isFunction(functionToCheck) { - var getType = {}; - return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]'; + function isHTMLElement(node) { + var OwnElement = getWindow(node).HTMLElement; + return node instanceof OwnElement || node instanceof HTMLElement; } + /*:: declare function isShadowRoot(node: mixed): boolean %checks(node instanceof + ShadowRoot); */ - /** - * Get CSS computed property of the given element - * @method - * @memberof Popper.Utils - * @argument {Eement} element - * @argument {String} property - */ - function getStyleComputedProperty(element, property) { - if (element.nodeType !== 1) { - return []; - } - // NOTE: 1 DOM access here - var window = element.ownerDocument.defaultView; - var css = window.getComputedStyle(element, null); - return property ? css[property] : css; - } - /** - * Returns the parentNode or the host of the element - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @returns {Element} parent - */ - function getParentNode(element) { - if (element.nodeName === 'HTML') { - return element; - } - return element.parentNode || element.host; + function isShadowRoot(node) { + var OwnElement = getWindow(node).ShadowRoot; + return node instanceof OwnElement || node instanceof ShadowRoot; } - /** - * Returns the scrolling parent of the given element - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @returns {Element} scroll parent - */ - function getScrollParent(element) { - // Return body, `getScroll` will take care to get the correct `scrollTop` from it - if (!element) { - return document.body; - } + // and applies them to the HTMLElements such as popper and arrow - switch (element.nodeName) { - case 'HTML': - case 'BODY': - return element.ownerDocument.body; - case '#document': - return element.body; - } + 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 - // Firefox want us to check `-x` and `-y` variations as well + 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 - var _getStyleComputedProp = getStyleComputedProperty(element), - overflow = _getStyleComputedProp.overflow, - overflowX = _getStyleComputedProp.overflowX, - overflowY = _getStyleComputedProp.overflowY; - if (/(auto|scroll|overlay)/.test(overflow + overflowY + overflowX)) { - return element; - } - - return getScrollParent(getParentNode(element)); - } + Object.assign(element.style, style); + Object.keys(attributes).forEach(function (name) { + var value = attributes[name]; - /** - * Returns the reference node of the reference object, or the reference object itself. - * @method - * @memberof Popper.Utils - * @param {Element|Object} reference - the reference element (the popper will be relative to this) - * @returns {Element} parent - */ - function getReferenceNode(reference) { - return reference && reference.referenceNode ? reference.referenceNode : reference; + if (value === false) { + element.removeAttribute(name); + } else { + element.setAttribute(name, value === true ? '' : value); + } + }); + }); } - var isIE11 = isBrowser && !!(window.MSInputMethodContext && document.documentMode); - var isIE10 = isBrowser && /MSIE 10/.test(navigator.userAgent); - - /** - * Determines if the browser is Internet Explorer - * @method - * @memberof Popper.Utils - * @param {Number} version to check - * @returns {Boolean} isIE - */ - function isIE(version) { - if (version === 11) { - return isIE11; - } - if (version === 10) { - return isIE10; - } - return isIE11 || isIE10; - } + function effect(_ref2) { + var state = _ref2.state; + var initialStyles = { + popper: { + position: state.options.strategy, + left: '0', + top: '0', + margin: '0' + }, + arrow: { + position: 'absolute' + }, + reference: {} + }; + Object.assign(state.elements.popper.style, initialStyles.popper); - /** - * Returns the offset parent of the given element - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @returns {Element} offset parent - */ - function getOffsetParent(element) { - if (!element) { - return document.documentElement; + if (state.elements.arrow) { + Object.assign(state.elements.arrow.style, initialStyles.arrow); } - var noOffsetParent = isIE(10) ? document.body : null; + 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 - // NOTE: 1 DOM access here - var offsetParent = element.offsetParent || null; - // Skip hidden elements which don't have an offsetParent - while (offsetParent === noOffsetParent && element.nextElementSibling) { - offsetParent = (element = element.nextElementSibling).offsetParent; - } + var style = styleProperties.reduce(function (style, property) { + style[property] = ''; + return style; + }, {}); // arrow is optional + virtual elements - var nodeName = offsetParent && offsetParent.nodeName; + 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 - if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') { - return element ? element.ownerDocument.documentElement : document.documentElement; - } - // .offsetParent will return the closest TH, TD or TABLE in case - // no offsetParent is present, I hate this job... - if (['TH', 'TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') { - return getOffsetParent(offsetParent); - } + Object.assign(element.style, style); + Object.keys(attributes).forEach(function (attribute) { + element.removeAttribute(attribute); + }); + }); + }; + } // eslint-disable-next-line import/no-unused-modules - return offsetParent; - } - function isOffsetContainer(element) { - var nodeName = element.nodeName; + var applyStyles$1 = { + name: 'applyStyles', + enabled: true, + phase: 'write', + fn: applyStyles, + effect: effect, + requires: ['computeStyles'] + }; - if (nodeName === 'BODY') { - return false; - } - return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element; + function getBasePlacement(placement) { + return placement.split('-')[0]; } - /** - * Finds the root node (document, shadowDOM root) of the given element - * @method - * @memberof Popper.Utils - * @argument {Element} node - * @returns {Element} root node - */ - function getRoot(node) { - if (node.parentNode !== null) { - return getRoot(node.parentNode); - } - - return node; + // Returns the layout rect of an element relative to its offsetParent. Layout + // means it doesn't take into account transforms. + function getLayoutRect(element) { + return { + x: element.offsetLeft, + y: element.offsetTop, + width: element.offsetWidth, + height: element.offsetHeight + }; } - /** - * Finds the offset parent common to the two provided nodes - * @method - * @memberof Popper.Utils - * @argument {Element} element1 - * @argument {Element} element2 - * @returns {Element} common offset parent - */ - function findCommonOffsetParent(element1, element2) { - // This check is needed to avoid errors in case one of the elements isn't defined for any reason - if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) { - return document.documentElement; - } + function contains(parent, child) { + var rootNode = child.getRootNode && child.getRootNode(); // First, attempt with faster native method - // Here we make sure to give as "start" the element that comes first in the DOM - var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING; - var start = order ? element1 : element2; - var end = order ? element2 : element1; + if (parent.contains(child)) { + return true; + } // then fallback to custom implementation with Shadow DOM support + else if (rootNode && isShadowRoot(rootNode)) { + var next = child; - // Get common ancestor container - var range = document.createRange(); - range.setStart(start, 0); - range.setEnd(end, 0); - var commonAncestorContainer = range.commonAncestorContainer; + do { + if (next && parent.isSameNode(next)) { + return true; + } // $FlowFixMe: need a better way to handle this... - // Both nodes are inside #document - if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) { - if (isOffsetContainer(commonAncestorContainer)) { - return commonAncestorContainer; - } + next = next.parentNode || next.host; + } while (next); + } // Give up, the result is false - return getOffsetParent(commonAncestorContainer); - } - // one of the nodes is inside shadowDOM, find which one - var element1root = getRoot(element1); - if (element1root.host) { - return findCommonOffsetParent(element1root.host, element2); - } else { - return findCommonOffsetParent(element1, getRoot(element2).host); - } + return false; } - /** - * Gets the scroll value of the given element in the given side (top and left) - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @argument {String} side `top` or `left` - * @returns {number} amount of scrolled pixels - */ - function getScroll(element) { - var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top'; - - var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft'; - var nodeName = element.nodeName; - - if (nodeName === 'BODY' || nodeName === 'HTML') { - var html = element.ownerDocument.documentElement; - var scrollingElement = element.ownerDocument.scrollingElement || html; - return scrollingElement[upperSide]; - } - - return element[upperSide]; + function getComputedStyle$1(element) { + return getWindow(element).getComputedStyle(element); } - /* - * Sum or subtract the element scroll values (left and top) from a given rect object - * @method - * @memberof Popper.Utils - * @param {Object} rect - Rect object you want to change - * @param {HTMLElement} element - The element from the function reads the scroll values - * @param {Boolean} subtract - set to true if you want to subtract the scroll values - * @return {Object} rect - The modifier rect object - */ - function includeScroll(rect, element) { - var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; - - var scrollTop = getScroll(element, 'top'); - var scrollLeft = getScroll(element, 'left'); - var modifier = subtract ? -1 : 1; - rect.top += scrollTop * modifier; - rect.bottom += scrollTop * modifier; - rect.left += scrollLeft * modifier; - rect.right += scrollLeft * modifier; - return rect; + function isTableElement(element) { + return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0; } - /* - * Helper to detect borders of a given element - * @method - * @memberof Popper.Utils - * @param {CSSStyleDeclaration} styles - * Result of `getStyleComputedProperty` on the given element - * @param {String} axis - `x` or `y` - * @return {number} borders - The borders size of the given axis - */ - - function getBordersSize(styles, axis) { - var sideA = axis === 'x' ? 'Left' : 'Top'; - var sideB = sideA === 'Left' ? 'Right' : 'Bottom'; - - return parseFloat(styles['border' + sideA + 'Width']) + parseFloat(styles['border' + sideB + 'Width']); + function getDocumentElement(element) { + // $FlowFixMe: assume body is always available + return ((isElement$1(element) ? element.ownerDocument : element.document) || window.document).documentElement; } - function getSize(axis, body, html, computedStyle) { - return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE(10) ? parseInt(html['offset' + axis]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')]) : 0); - } + function getParentNode(element) { + if (getNodeName(element) === 'html') { + return element; + } - function getWindowSizes(document) { - var body = document.body; - var html = document.documentElement; - var computedStyle = isIE(10) && getComputedStyle(html); + return (// $FlowFixMe: this is a quicker (but less type safe) way to save quite some bytes from the bundle + element.assignedSlot || // step into the shadow DOM of the parent of a slotted node + element.parentNode || // DOM Element detected + // $FlowFixMe: need a better way to handle this... + element.host || // ShadowRoot detected + // $FlowFixMe: HTMLElement is a Node + getDocumentElement(element) // fallback - return { - height: getSize('Height', body, html, computedStyle), - width: getSize('Width', body, html, computedStyle) - }; + ); } - var classCallCheck = function (instance, Constructor) { - if (!(instance instanceof Constructor)) { - throw new TypeError("Cannot call a class as a function"); + function getTrueOffsetParent(element) { + if (!isHTMLElement(element) || // https://github.com/popperjs/popper-core/issues/837 + getComputedStyle$1(element).position === 'fixed') { + return null; } - }; - var createClass = function () { - function defineProperties(target, props) { - for (var i = 0; i < props.length; i++) { - var descriptor = props[i]; - descriptor.enumerable = descriptor.enumerable || false; - descriptor.configurable = true; - if ("value" in descriptor) descriptor.writable = true; - Object.defineProperty(target, descriptor.key, descriptor); + var offsetParent = element.offsetParent; + + if (offsetParent) { + var html = getDocumentElement(offsetParent); + + if (getNodeName(offsetParent) === 'body' && getComputedStyle$1(offsetParent).position === 'static' && getComputedStyle$1(html).position !== 'static') { + return html; } } - return function (Constructor, protoProps, staticProps) { - if (protoProps) defineProperties(Constructor.prototype, protoProps); - if (staticProps) defineProperties(Constructor, staticProps); - return Constructor; - }; - }(); - + return offsetParent; + } // `.offsetParent` reports `null` for fixed elements, while absolute elements + // return the containing block + function getContainingBlock(element) { + var currentNode = getParentNode(element); + while (isHTMLElement(currentNode) && ['html', 'body'].indexOf(getNodeName(currentNode)) < 0) { + var css = getComputedStyle$1(currentNode); // This is non-exhaustive but covers the most common CSS properties that + // create a containing block. - var defineProperty = function (obj, key, value) { - if (key in obj) { - Object.defineProperty(obj, key, { - value: value, - enumerable: true, - configurable: true, - writable: true - }); - } else { - obj[key] = value; + if (css.transform !== 'none' || css.perspective !== 'none' || css.willChange && css.willChange !== 'auto') { + return currentNode; + } else { + currentNode = currentNode.parentNode; + } } - return obj; - }; + return null; + } // Gets the closest ancestor positioned element. Handles some edge cases, + // such as table ancestors and cross browser bugs. - var _extends$1 = Object.assign || function (target) { - for (var i = 1; i < arguments.length; i++) { - var source = arguments[i]; - for (var key in source) { - if (Object.prototype.hasOwnProperty.call(source, key)) { - target[key] = source[key]; - } - } + function getOffsetParent(element) { + var window = getWindow(element); + var offsetParent = getTrueOffsetParent(element); + + while (offsetParent && isTableElement(offsetParent) && getComputedStyle$1(offsetParent).position === 'static') { + offsetParent = getTrueOffsetParent(offsetParent); } - return target; - }; + if (offsetParent && getNodeName(offsetParent) === 'body' && getComputedStyle$1(offsetParent).position === 'static') { + return window; + } - /** - * Given element offsets, generate an output similar to getBoundingClientRect - * @method - * @memberof Popper.Utils - * @argument {Object} offsets - * @returns {Object} ClientRect like output - */ - function getClientRect(offsets) { - return _extends$1({}, offsets, { - right: offsets.left + offsets.width, - bottom: offsets.top + offsets.height - }); + return offsetParent || getContainingBlock(element) || window; } - /** - * Get bounding client rect of given element - * @method - * @memberof Popper.Utils - * @param {HTMLElement} element - * @return {Object} client rect - */ - function getBoundingClientRect(element) { - var rect = {}; - - // IE10 10 FIX: Please, don't ask, the element isn't - // considered in DOM in some circumstances... - // This isn't reproducible in IE10 compatibility mode of IE11 - try { - if (isIE(10)) { - rect = element.getBoundingClientRect(); - var scrollTop = getScroll(element, 'top'); - var scrollLeft = getScroll(element, 'left'); - rect.top += scrollTop; - rect.left += scrollLeft; - rect.bottom += scrollTop; - rect.right += scrollLeft; - } else { - rect = element.getBoundingClientRect(); - } - } catch (e) {} + function getMainAxisFromPlacement(placement) { + return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y'; + } - var result = { - left: rect.left, - top: rect.top, - width: rect.right - rect.left, - height: rect.bottom - rect.top + function within(min, value, max) { + return Math.max(min, Math.min(value, max)); + } + + function getFreshSideObject() { + return { + top: 0, + right: 0, + bottom: 0, + left: 0 }; + } - // subtract scrollbar size from sizes - var sizes = element.nodeName === 'HTML' ? getWindowSizes(element.ownerDocument) : {}; - var width = sizes.width || element.clientWidth || result.width; - var height = sizes.height || element.clientHeight || result.height; + function mergePaddingObject(paddingObject) { + return Object.assign(Object.assign({}, getFreshSideObject()), paddingObject); + } - var horizScrollbar = element.offsetWidth - width; - var vertScrollbar = element.offsetHeight - height; + function expandToHashMap(value, keys) { + return keys.reduce(function (hashMap, key) { + hashMap[key] = value; + return hashMap; + }, {}); + } - // if an hypothetical scrollbar is detected, we must be sure it's not a `border` - // we make this check conditional for performance reasons - if (horizScrollbar || vertScrollbar) { - var styles = getStyleComputedProperty(element); - horizScrollbar -= getBordersSize(styles, 'x'); - vertScrollbar -= getBordersSize(styles, 'y'); + function arrow(_ref) { + var _state$modifiersData$; - result.width -= horizScrollbar; - result.height -= vertScrollbar; + var state = _ref.state, + name = _ref.name; + var arrowElement = state.elements.arrow; + var popperOffsets = state.modifiersData.popperOffsets; + var basePlacement = getBasePlacement(state.placement); + var axis = getMainAxisFromPlacement(basePlacement); + var isVertical = [left, right].indexOf(basePlacement) >= 0; + var len = isVertical ? 'height' : 'width'; + + if (!arrowElement || !popperOffsets) { + return; } - return getClientRect(result); + var paddingObject = state.modifiersData[name + "#persistent"].padding; + var arrowRect = getLayoutRect(arrowElement); + var minProp = axis === 'y' ? top : left; + var maxProp = axis === 'y' ? bottom : right; + var endDiff = state.rects.reference[len] + state.rects.reference[axis] - popperOffsets[axis] - state.rects.popper[len]; + var startDiff = popperOffsets[axis] - state.rects.reference[axis]; + var arrowOffsetParent = getOffsetParent(arrowElement); + var clientSize = arrowOffsetParent ? axis === 'y' ? arrowOffsetParent.clientHeight || 0 : arrowOffsetParent.clientWidth || 0 : 0; + var centerToReference = endDiff / 2 - startDiff / 2; // Make sure the arrow doesn't overflow the popper if the center point is + // outside of the popper bounds + + var min = paddingObject[minProp]; + var max = clientSize - arrowRect[len] - paddingObject[maxProp]; + var center = clientSize / 2 - arrowRect[len] / 2 + centerToReference; + var offset = within(min, center, max); // Prevents breaking syntax highlighting... + + var axisProp = axis; + state.modifiersData[name] = (_state$modifiersData$ = {}, _state$modifiersData$[axisProp] = offset, _state$modifiersData$.centerOffset = offset - center, _state$modifiersData$); } - function getOffsetRectRelativeToArbitraryNode(children, parent) { - var fixedPosition = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; + function effect$1(_ref2) { + var state = _ref2.state, + options = _ref2.options, + name = _ref2.name; + var _options$element = options.element, + arrowElement = _options$element === void 0 ? '[data-popper-arrow]' : _options$element, + _options$padding = options.padding, + padding = _options$padding === void 0 ? 0 : _options$padding; - var isIE10 = isIE(10); - var isHTML = parent.nodeName === 'HTML'; - var childrenRect = getBoundingClientRect(children); - var parentRect = getBoundingClientRect(parent); - var scrollParent = getScrollParent(children); + if (arrowElement == null) { + return; + } // CSS selector - var styles = getStyleComputedProperty(parent); - var borderTopWidth = parseFloat(styles.borderTopWidth); - var borderLeftWidth = parseFloat(styles.borderLeftWidth); - // In cases where the parent is fixed, we must ignore negative scroll in offset calc - if (fixedPosition && isHTML) { - parentRect.top = Math.max(parentRect.top, 0); - parentRect.left = Math.max(parentRect.left, 0); - } - var offsets = getClientRect({ - top: childrenRect.top - parentRect.top - borderTopWidth, - left: childrenRect.left - parentRect.left - borderLeftWidth, - width: childrenRect.width, - height: childrenRect.height - }); - offsets.marginTop = 0; - offsets.marginLeft = 0; - - // Subtract margins of documentElement in case it's being used as parent - // we do this only on HTML because it's the only element that behaves - // differently when margins are applied to it. The margins are included in - // the box of the documentElement, in the other cases not. - if (!isIE10 && isHTML) { - var marginTop = parseFloat(styles.marginTop); - var marginLeft = parseFloat(styles.marginLeft); - - offsets.top -= borderTopWidth - marginTop; - offsets.bottom -= borderTopWidth - marginTop; - offsets.left -= borderLeftWidth - marginLeft; - offsets.right -= borderLeftWidth - marginLeft; - - // Attach marginTop and marginLeft because in some circumstances we may need them - offsets.marginTop = marginTop; - offsets.marginLeft = marginLeft; - } + if (typeof arrowElement === 'string') { + arrowElement = state.elements.popper.querySelector(arrowElement); - if (isIE10 && !fixedPosition ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') { - offsets = includeScroll(offsets, parent); + if (!arrowElement) { + return; + } } - return offsets; - } + if (!contains(state.elements.popper, arrowElement)) { - function getViewportOffsetRectRelativeToArtbitraryNode(element) { - var excludeScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; + return; + } - var html = element.ownerDocument.documentElement; - var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html); - var width = Math.max(html.clientWidth, window.innerWidth || 0); - var height = Math.max(html.clientHeight, window.innerHeight || 0); + state.elements.arrow = arrowElement; + state.modifiersData[name + "#persistent"] = { + padding: mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements)) + }; + } // eslint-disable-next-line import/no-unused-modules - var scrollTop = !excludeScroll ? getScroll(html) : 0; - var scrollLeft = !excludeScroll ? getScroll(html, 'left') : 0; - var offset = { - top: scrollTop - relativeOffset.top + relativeOffset.marginTop, - left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft, - width: width, - height: height - }; + var arrow$1 = { + name: 'arrow', + enabled: true, + phase: 'main', + fn: arrow, + effect: effect$1, + requires: ['popperOffsets'], + requiresIfExists: ['preventOverflow'] + }; - return getClientRect(offset); + var unsetSides = { + top: 'auto', + right: 'auto', + bottom: 'auto', + left: 'auto' + }; // Round the offsets to the nearest suitable subpixel based on the DPR. + // Zooming can change the DPR, but it seems to report a value that will + // cleanly divide the values into the appropriate subpixels. + + function roundOffsets(_ref) { + var x = _ref.x, + y = _ref.y; + var win = window; + var dpr = win.devicePixelRatio || 1; + return { + x: Math.round(x * dpr) / dpr || 0, + y: Math.round(y * dpr) / dpr || 0 + }; } - /** - * Check if the given element is fixed or is inside a fixed parent - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @argument {Element} customContainer - * @returns {Boolean} answer to "isFixed?" - */ - function isFixed(element) { - var nodeName = element.nodeName; - if (nodeName === 'BODY' || nodeName === 'HTML') { - return false; - } - if (getStyleComputedProperty(element, 'position') === 'fixed') { - return true; - } - var parentNode = getParentNode(element); - if (!parentNode) { - return false; - } - return isFixed(parentNode); - } + function mapToStyles(_ref2) { + var _Object$assign2; - /** - * Finds the first parent of an element that has a transformed property defined - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @returns {Element} first transformed parent or documentElement - */ + var popper = _ref2.popper, + popperRect = _ref2.popperRect, + placement = _ref2.placement, + offsets = _ref2.offsets, + position = _ref2.position, + gpuAcceleration = _ref2.gpuAcceleration, + adaptive = _ref2.adaptive; - function getFixedPositionOffsetParent(element) { - // This check is needed to avoid errors in case one of the elements isn't defined for any reason - if (!element || !element.parentElement || isIE()) { - return document.documentElement; - } - var el = element.parentElement; - while (el && getStyleComputedProperty(el, 'transform') === 'none') { - el = el.parentElement; - } - return el || document.documentElement; - } + var _roundOffsets = roundOffsets(offsets), + x = _roundOffsets.x, + y = _roundOffsets.y; - /** - * Computed the boundaries limits and return them - * @method - * @memberof Popper.Utils - * @param {HTMLElement} popper - * @param {HTMLElement} reference - * @param {number} padding - * @param {HTMLElement} boundariesElement - Element used to define the boundaries - * @param {Boolean} fixedPosition - Is in fixed position mode - * @returns {Object} Coordinates of the boundaries - */ - function getBoundaries(popper, reference, padding, boundariesElement) { - var fixedPosition = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false; + var hasX = offsets.hasOwnProperty('x'); + var hasY = offsets.hasOwnProperty('y'); + var sideX = left; + var sideY = top; + var win = window; - // NOTE: 1 DOM access here + if (adaptive) { + var offsetParent = getOffsetParent(popper); - var boundaries = { top: 0, left: 0 }; - var offsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, getReferenceNode(reference)); + if (offsetParent === getWindow(popper)) { + offsetParent = getDocumentElement(popper); + } // $FlowFixMe: force type refinement, we compare offsetParent with window above, but Flow doesn't detect it - // Handle viewport case - if (boundariesElement === 'viewport') { - boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent, fixedPosition); - } else { - // Handle other cases based on DOM element used as boundaries - var boundariesNode = void 0; - if (boundariesElement === 'scrollParent') { - boundariesNode = getScrollParent(getParentNode(reference)); - if (boundariesNode.nodeName === 'BODY') { - boundariesNode = popper.ownerDocument.documentElement; - } - } else if (boundariesElement === 'window') { - boundariesNode = popper.ownerDocument.documentElement; - } else { - boundariesNode = boundariesElement; - } + /*:: offsetParent = (offsetParent: Element); */ - var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent, fixedPosition); - // In case of HTML, we need a different computation - if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) { - var _getWindowSizes = getWindowSizes(popper.ownerDocument), - height = _getWindowSizes.height, - width = _getWindowSizes.width; + if (placement === top) { + sideY = bottom; + y -= offsetParent.clientHeight - popperRect.height; + y *= gpuAcceleration ? 1 : -1; + } - boundaries.top += offsets.top - offsets.marginTop; - boundaries.bottom = height + offsets.top; - boundaries.left += offsets.left - offsets.marginLeft; - boundaries.right = width + offsets.left; - } else { - // for all the other DOM elements, this one is good - boundaries = offsets; + if (placement === left) { + sideX = right; + x -= offsetParent.clientWidth - popperRect.width; + x *= gpuAcceleration ? 1 : -1; } } - // Add paddings - padding = padding || 0; - var isPaddingNumber = typeof padding === 'number'; - boundaries.left += isPaddingNumber ? padding : padding.left || 0; - boundaries.top += isPaddingNumber ? padding : padding.top || 0; - boundaries.right -= isPaddingNumber ? padding : padding.right || 0; - boundaries.bottom -= isPaddingNumber ? padding : padding.bottom || 0; + var commonStyles = Object.assign({ + position: position + }, adaptive && unsetSides); - return boundaries; - } + if (gpuAcceleration) { + var _Object$assign; - function getArea(_ref) { - var width = _ref.width, - height = _ref.height; + return Object.assign(Object.assign({}, commonStyles), {}, (_Object$assign = {}, _Object$assign[sideY] = hasY ? '0' : '', _Object$assign[sideX] = hasX ? '0' : '', _Object$assign.transform = (win.devicePixelRatio || 1) < 2 ? "translate(" + x + "px, " + y + "px)" : "translate3d(" + x + "px, " + y + "px, 0)", _Object$assign)); + } - return width * height; + return Object.assign(Object.assign({}, commonStyles), {}, (_Object$assign2 = {}, _Object$assign2[sideY] = hasY ? y + "px" : '', _Object$assign2[sideX] = hasX ? x + "px" : '', _Object$assign2.transform = '', _Object$assign2)); } - /** - * Utility used to transform the `auto` placement to the placement with more - * available space. - * @method - * @memberof Popper.Utils - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ - function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) { - var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0; - - if (placement.indexOf('auto') === -1) { - return placement; + function computeStyles(_ref3) { + var state = _ref3.state, + options = _ref3.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; + + var commonStyles = { + placement: getBasePlacement(state.placement), + popper: state.elements.popper, + popperRect: state.rects.popper, + gpuAcceleration: gpuAcceleration + }; + + if (state.modifiersData.popperOffsets != null) { + state.styles.popper = Object.assign(Object.assign({}, state.styles.popper), mapToStyles(Object.assign(Object.assign({}, commonStyles), {}, { + offsets: state.modifiersData.popperOffsets, + position: state.options.strategy, + adaptive: adaptive + }))); } - var boundaries = getBoundaries(popper, reference, padding, boundariesElement); - - var rects = { - top: { - width: boundaries.width, - height: refRect.top - boundaries.top - }, - right: { - width: boundaries.right - refRect.right, - height: boundaries.height - }, - bottom: { - width: boundaries.width, - height: boundaries.bottom - refRect.bottom - }, - left: { - width: refRect.left - boundaries.left, - height: boundaries.height - } - }; + if (state.modifiersData.arrow != null) { + state.styles.arrow = Object.assign(Object.assign({}, state.styles.arrow), mapToStyles(Object.assign(Object.assign({}, commonStyles), {}, { + offsets: state.modifiersData.arrow, + position: 'absolute', + adaptive: false + }))); + } - var sortedAreas = Object.keys(rects).map(function (key) { - return _extends$1({ - key: key - }, rects[key], { - area: getArea(rects[key]) - }); - }).sort(function (a, b) { - return b.area - a.area; + state.attributes.popper = Object.assign(Object.assign({}, state.attributes.popper), {}, { + 'data-popper-placement': state.placement }); + } // eslint-disable-next-line import/no-unused-modules - var filteredAreas = sortedAreas.filter(function (_ref2) { - var width = _ref2.width, - height = _ref2.height; - return width >= popper.clientWidth && height >= popper.clientHeight; - }); - var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key; + var computeStyles$1 = { + name: 'computeStyles', + enabled: true, + phase: 'beforeWrite', + fn: computeStyles, + data: {} + }; - var variation = placement.split('-')[1]; + var passive = { + passive: true + }; - return computedPlacement + (variation ? '-' + variation : ''); - } + 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); + }); + } - /** - * Get offsets to the reference element - * @method - * @memberof Popper.Utils - * @param {Object} state - * @param {Element} popper - the popper element - * @param {Element} reference - the reference element (the popper will be relative to this) - * @param {Element} fixedPosition - is in fixed position mode - * @returns {Object} An object containing the offsets which will be applied to the popper - */ - function getReferenceOffsets(state, popper, reference) { - var fixedPosition = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null; + if (resize) { + window.addEventListener('resize', instance.update, passive); + } - var commonOffsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, getReferenceNode(reference)); - return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent, fixedPosition); - } + return function () { + if (scroll) { + scrollParents.forEach(function (scrollParent) { + scrollParent.removeEventListener('scroll', instance.update, passive); + }); + } - /** - * Get the outer sizes of the given element (offset size + margins) - * @method - * @memberof Popper.Utils - * @argument {Element} element - * @returns {Object} object containing width and height properties - */ - function getOuterSizes(element) { - var window = element.ownerDocument.defaultView; - var styles = window.getComputedStyle(element); - var x = parseFloat(styles.marginTop || 0) + parseFloat(styles.marginBottom || 0); - var y = parseFloat(styles.marginLeft || 0) + parseFloat(styles.marginRight || 0); - var result = { - width: element.offsetWidth + y, - height: element.offsetHeight + x + if (resize) { + window.removeEventListener('resize', instance.update, passive); + } }; - return result; - } + } // eslint-disable-next-line import/no-unused-modules - /** - * Get the opposite placement of the given one - * @method - * @memberof Popper.Utils - * @argument {String} placement - * @returns {String} flipped placement - */ + + var eventListeners = { + name: 'eventListeners', + enabled: true, + phase: 'write', + fn: function fn() {}, + effect: effect$2, + data: {} + }; + + var hash = { + left: 'right', + right: 'left', + bottom: 'top', + top: 'bottom' + }; function getOppositePlacement(placement) { - var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' }; return placement.replace(/left|right|bottom|top/g, function (matched) { return hash[matched]; }); } - /** - * Get offsets to the popper - * @method - * @memberof Popper.Utils - * @param {Object} position - CSS position the Popper will get applied - * @param {HTMLElement} popper - the popper element - * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this) - * @param {String} placement - one of the valid placement options - * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper - */ - function getPopperOffsets(popper, referenceOffsets, placement) { - placement = placement.split('-')[0]; - - // Get popper node sizes - var popperRect = getOuterSizes(popper); + var hash$1 = { + start: 'end', + end: 'start' + }; + function getOppositeVariationPlacement(placement) { + return placement.replace(/start|end/g, function (matched) { + return hash$1[matched]; + }); + } - // Add position, width and height to our offsets object - var popperOffsets = { - width: popperRect.width, - height: popperRect.height + function getBoundingClientRect(element) { + var rect = element.getBoundingClientRect(); + return { + width: rect.width, + height: rect.height, + top: rect.top, + right: rect.right, + bottom: rect.bottom, + left: rect.left, + x: rect.left, + y: rect.top }; - - // depending by the popper placement we have to compute its offsets slightly differently - var isHoriz = ['right', 'left'].indexOf(placement) !== -1; - var mainSide = isHoriz ? 'top' : 'left'; - var secondarySide = isHoriz ? 'left' : 'top'; - var measurement = isHoriz ? 'height' : 'width'; - var secondaryMeasurement = !isHoriz ? 'height' : 'width'; - - popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2; - if (placement === secondarySide) { - popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement]; - } else { - popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)]; - } - - return popperOffsets; } - /** - * Mimics the `find` method of Array - * @method - * @memberof Popper.Utils - * @argument {Array} arr - * @argument prop - * @argument value - * @returns index or -1 - */ - function find(arr, check) { - // use native find if supported - if (Array.prototype.find) { - return arr.find(check); - } - - // use `filter` to obtain the same behavior of `find` - return arr.filter(check)[0]; + function getWindowScroll(node) { + var win = getWindow(node); + var scrollLeft = win.pageXOffset; + var scrollTop = win.pageYOffset; + return { + scrollLeft: scrollLeft, + scrollTop: scrollTop + }; } - /** - * Return the index of the matching object - * @method - * @memberof Popper.Utils - * @argument {Array} arr - * @argument prop - * @argument value - * @returns index or -1 - */ - function findIndex(arr, prop, value) { - // use native findIndex if supported - if (Array.prototype.findIndex) { - return arr.findIndex(function (cur) { - return cur[prop] === value; - }); - } - - // use `find` + `indexOf` if `findIndex` isn't supported - var match = find(arr, function (obj) { - return obj[prop] === value; - }); - return arr.indexOf(match); + 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; } - /** - * Loop trough the list of modifiers and run them in order, - * each of them will then edit the data object. - * @method - * @memberof Popper.Utils - * @param {dataObject} data - * @param {Array} modifiers - * @param {String} ends - Optional modifier name used as stopper - * @returns {dataObject} - */ - function runModifiers(modifiers, data, ends) { - var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends)); - - modifiersToRun.forEach(function (modifier) { - if (modifier['function']) { - // eslint-disable-line dot-notation - console.warn('`modifier.function` is deprecated, use `modifier.fn`!'); - } - var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation - if (modifier.enabled && isFunction(fn)) { - // Add properties to offsets to make them a complete clientRect object - // we do this before each modifier to make sure the previous one doesn't - // mess with these values - data.offsets.popper = getClientRect(data.offsets.popper); - data.offsets.reference = getClientRect(data.offsets.reference); - - data = fn(data, modifier); + 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 data; - } - - /** - * Updates the position of the popper, computing the new offsets and applying - * the new style.<br /> - * Prefer `scheduleUpdate` over `update` because of performance reasons. - * @method - * @memberof Popper - */ - function update() { - // if popper is destroyed, don't perform any further update - if (this.state.isDestroyed) { - return; } - var data = { - instance: this, - styles: {}, - arrowStyles: {}, - attributes: {}, - flipped: false, - offsets: {} + return { + width: width, + height: height, + x: x + getWindowScrollBarX(element), + y: y }; + } - // compute reference element offsets - data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference, this.options.positionFixed); - - // compute auto placement, store placement inside the data object, - // modifiers will be able to edit `placement` if needed - // and refer to originalPlacement to know the original value - data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding); - - // store the computed placement inside `originalPlacement` - data.originalPlacement = data.placement; - - data.positionFixed = this.options.positionFixed; - - // compute the popper offsets - data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement); - - data.offsets.popper.position = this.options.positionFixed ? 'fixed' : 'absolute'; + // of the `<html>` and `<body>` rect bounds if horizontally scrollable - // run the modifiers - data = runModifiers(this.modifiers, data); + function getDocumentRect(element) { + var html = getDocumentElement(element); + var winScroll = getWindowScroll(element); + var body = element.ownerDocument.body; + var width = Math.max(html.scrollWidth, html.clientWidth, body ? body.scrollWidth : 0, body ? body.clientWidth : 0); + var height = Math.max(html.scrollHeight, html.clientHeight, body ? body.scrollHeight : 0, body ? body.clientHeight : 0); + var x = -winScroll.scrollLeft + getWindowScrollBarX(element); + var y = -winScroll.scrollTop; - // the first `update` will call `onCreate` callback - // the other ones will call `onUpdate` callback - if (!this.state.isCreated) { - this.state.isCreated = true; - this.options.onCreate(data); - } else { - this.options.onUpdate(data); + if (getComputedStyle$1(body || html).direction === 'rtl') { + x += Math.max(html.clientWidth, body ? body.clientWidth : 0) - width; } - } - /** - * Helper used to know if the given modifier is enabled. - * @method - * @memberof Popper.Utils - * @returns {Boolean} - */ - function isModifierEnabled(modifiers, modifierName) { - return modifiers.some(function (_ref) { - var name = _ref.name, - enabled = _ref.enabled; - return enabled && name === modifierName; - }); + return { + width: width, + height: height, + x: x, + y: y + }; } - /** - * Get the prefixed supported property name - * @method - * @memberof Popper.Utils - * @argument {String} property (camelCase) - * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix) - */ - function getSupportedPropertyName(property) { - var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O']; - var upperProp = property.charAt(0).toUpperCase() + property.slice(1); + function isScrollParent(element) { + // Firefox wants us to check `-x` and `-y` variations as well + var _getComputedStyle = getComputedStyle$1(element), + overflow = _getComputedStyle.overflow, + overflowX = _getComputedStyle.overflowX, + overflowY = _getComputedStyle.overflowY; - for (var i = 0; i < prefixes.length; i++) { - var prefix = prefixes[i]; - var toCheck = prefix ? '' + prefix + upperProp : property; - if (typeof document.body.style[toCheck] !== 'undefined') { - return toCheck; - } - } - return null; + return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX); } - /** - * Destroys the popper. - * @method - * @memberof Popper - */ - function destroy() { - this.state.isDestroyed = true; - - // touch DOM only if `applyStyle` modifier is enabled - if (isModifierEnabled(this.modifiers, 'applyStyle')) { - this.popper.removeAttribute('x-placement'); - this.popper.style.position = ''; - this.popper.style.top = ''; - this.popper.style.left = ''; - this.popper.style.right = ''; - this.popper.style.bottom = ''; - this.popper.style.willChange = ''; - this.popper.style[getSupportedPropertyName('transform')] = ''; + function getScrollParent(node) { + if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) { + // $FlowFixMe: assume body is always available + return node.ownerDocument.body; } - this.disableEventListeners(); - - // remove the popper if user explicitly asked for the deletion on destroy - // do not use `remove` because IE11 doesn't support it - if (this.options.removeOnDestroy) { - this.popper.parentNode.removeChild(this.popper); + if (isHTMLElement(node) && isScrollParent(node)) { + return node; } - return this; - } - /** - * Get the window associated with the element - * @argument {Element} element - * @returns {Window} - */ - function getWindow(element) { - var ownerDocument = element.ownerDocument; - return ownerDocument ? ownerDocument.defaultView : window; + return getScrollParent(getParentNode(node)); } - function attachToScrollParents(scrollParent, event, callback, scrollParents) { - var isBody = scrollParent.nodeName === 'BODY'; - var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent; - target.addEventListener(event, callback, { passive: true }); + /* + 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. + */ - if (!isBody) { - attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents); + function listScrollParents(element, list) { + if (list === void 0) { + list = []; } - scrollParents.push(target); - } - /** - * Setup needed event listeners used to update the popper position - * @method - * @memberof Popper.Utils - * @private - */ - function setupEventListeners(reference, options, state, updateBound) { - // Resize event listener on window - state.updateBound = updateBound; - getWindow(reference).addEventListener('resize', state.updateBound, { passive: true }); - - // Scroll event listener on scroll parents - var scrollElement = getScrollParent(reference); - attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents); - state.scrollElement = scrollElement; - state.eventsEnabled = true; - - return state; + var scrollParent = getScrollParent(element); + var isBody = getNodeName(scrollParent) === '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: isBody tells us target will be an HTMLElement here + updatedList.concat(listScrollParents(getParentNode(target))); } - /** - * It will add resize/scroll events and start recalculating - * position of the popper element when they are triggered. - * @method - * @memberof Popper - */ - function enableEventListeners() { - if (!this.state.eventsEnabled) { - this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate); - } + function rectToClientRect(rect) { + return Object.assign(Object.assign({}, rect), {}, { + left: rect.x, + top: rect.y, + right: rect.x + rect.width, + bottom: rect.y + rect.height + }); } - /** - * Remove event listeners used to update the popper position - * @method - * @memberof Popper.Utils - * @private - */ - function removeEventListeners(reference, state) { - // Remove resize event listener on window - getWindow(reference).removeEventListener('resize', state.updateBound); + 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; + } - // Remove scroll event listener on scroll parents - state.scrollParents.forEach(function (target) { - target.removeEventListener('scroll', state.updateBound); - }); + 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` - // Reset state - state.updateBound = null; - state.scrollParents = []; - state.scrollElement = null; - state.eventsEnabled = false; - return state; - } - /** - * It will remove resize/scroll events and won't recalculate popper position - * when they are triggered. It also won't trigger `onUpdate` callback anymore, - * unless you call `update` method manually. - * @method - * @memberof Popper - */ - function disableEventListeners() { - if (this.state.eventsEnabled) { - cancelAnimationFrame(this.scheduleUpdate); - this.state = removeEventListeners(this.reference, this.state); - } - } + function getClippingParents(element) { + var clippingParents = listScrollParents(getParentNode(element)); + var canEscapeClipping = ['absolute', 'fixed'].indexOf(getComputedStyle$1(element).position) >= 0; + var clipperElement = canEscapeClipping && isHTMLElement(element) ? getOffsetParent(element) : element; - /** - * Tells if a given input is a number - * @method - * @memberof Popper.Utils - * @param {*} input to check - * @return {Boolean} - */ - function isNumeric(n) { - return n !== '' && !isNaN(parseFloat(n)) && isFinite(n); - } + if (!isElement$1(clipperElement)) { + return []; + } // $FlowFixMe: https://github.com/facebook/flow/issues/1414 - /** - * Set the style to the given popper - * @method - * @memberof Popper.Utils - * @argument {Element} element - Element to apply the style to - * @argument {Object} styles - * Object with a list of properties and values which will be applied to the element - */ - function setStyles(element, styles) { - Object.keys(styles).forEach(function (prop) { - var unit = ''; - // add unit if the value is numeric and is one of the following - if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) { - unit = 'px'; - } - element.style[prop] = styles[prop] + unit; - }); - } - /** - * Set the attributes to the given popper - * @method - * @memberof Popper.Utils - * @argument {Element} element - Element to apply the attributes to - * @argument {Object} styles - * Object with a list of properties and values which will be applied to the element - */ - function setAttributes(element, attributes) { - Object.keys(attributes).forEach(function (prop) { - var value = attributes[prop]; - if (value !== false) { - element.setAttribute(prop, attributes[prop]); - } else { - element.removeAttribute(prop); - } + return clippingParents.filter(function (clippingParent) { + return isElement$1(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 = Math.max(rect.top, accRect.top); + accRect.right = Math.min(rect.right, accRect.right); + accRect.bottom = Math.min(rect.bottom, accRect.bottom); + accRect.left = Math.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 - * @memberof Modifiers - * @argument {Object} data - The data object generated by `update` method - * @argument {Object} data.styles - List of style properties - values to apply to popper element - * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The same data object - */ - function applyStyle(data) { - // any property present in `data.styles` will be applied to the popper, - // in this way we can make the 3rd party modifiers add custom styles to it - // Be aware, modifiers could override the properties defined in the previous - // lines of this modifier! - setStyles(data.instance.popper, data.styles); - - // any property present in `data.attributes` will be applied to the popper, - // they will be set as HTML attributes of the element - setAttributes(data.instance.popper, data.attributes); - - // if arrowElement is defined and arrowStyles has some properties - if (data.arrowElement && Object.keys(data.arrowStyles).length) { - setStyles(data.arrowElement, data.arrowStyles); - } - - return data; + function getVariation(placement) { + return placement.split('-')[1]; } - /** - * Set the x-placement attribute before everything else because it could be used - * to add margins to the popper margins needs to be calculated to get the - * correct popper offsets. - * @method - * @memberof Popper.modifiers - * @param {HTMLElement} reference - The reference element used to position the popper - * @param {HTMLElement} popper - The HTML element used as popper - * @param {Object} options - Popper.js options - */ - function applyStyleOnLoad(reference, popper, options, modifierOptions, state) { - // compute reference element offsets - var referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed); - - // compute auto placement, store placement inside the data object, - // modifiers will be able to edit `placement` if needed - // and refer to originalPlacement to know the original value - var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding); - - popper.setAttribute('x-placement', placement); - - // Apply `position` to popper before anything else because - // without the position applied we can't guarantee correct computations - setStyles(popper, { position: options.positionFixed ? 'fixed' : 'absolute' }); - - return options; - } + 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; - /** - * @function - * @memberof Popper.Utils - * @argument {Object} data - The data object generated by `update` method - * @argument {Boolean} shouldRound - If the offsets should be rounded at all - * @returns {Object} The popper's position offsets rounded - * - * The tale of pixel-perfect positioning. It's still not 100% perfect, but as - * good as it can be within reason. - * Discussion here: https://github.com/FezVrasta/popper.js/pull/715 - * - * Low DPI screens cause a popper to be blurry if not using full pixels (Safari - * as well on High DPI screens). - * - * Firefox prefers no rounding for positioning and does not have blurriness on - * high DPI screens. - * - * Only horizontal placement and left/right values need to be considered. - */ - function getRoundedOffsets(data, shouldRound) { - var _data$offsets = data.offsets, - popper = _data$offsets.popper, - reference = _data$offsets.reference; - var round = Math.round, - floor = Math.floor; + case bottom: + offsets = { + x: commonX, + y: reference.y + reference.height + }; + break; - var noRound = function noRound(v) { - return v; - }; + case right: + offsets = { + x: reference.x + reference.width, + y: commonY + }; + break; - var referenceWidth = round(reference.width); - var popperWidth = round(popper.width); + case left: + offsets = { + x: reference.x - element.width, + y: commonY + }; + break; - var isVertical = ['left', 'right'].indexOf(data.placement) !== -1; - var isVariation = data.placement.indexOf('-') !== -1; - var sameWidthParity = referenceWidth % 2 === popperWidth % 2; - var bothOddWidth = referenceWidth % 2 === 1 && popperWidth % 2 === 1; + default: + offsets = { + x: reference.x, + y: reference.y + }; + } - var horizontalToInteger = !shouldRound ? noRound : isVertical || isVariation || sameWidthParity ? round : floor; - var verticalToInteger = !shouldRound ? noRound : round; + var mainAxis = basePlacement ? getMainAxisFromPlacement(basePlacement) : null; - return { - left: horizontalToInteger(bothOddWidth && !isVariation && shouldRound ? popper.left - 1 : popper.left), - top: verticalToInteger(popper.top), - bottom: verticalToInteger(popper.bottom), - right: horizontalToInteger(popper.right) - }; - } + if (mainAxis != null) { + var len = mainAxis === 'y' ? 'height' : 'width'; - var isFirefox = isBrowser && /Firefox/i.test(navigator.userAgent); + switch (variation) { + case start: + offsets[mainAxis] = Math.floor(offsets[mainAxis]) - Math.floor(reference[len] / 2 - element[len] / 2); + break; - /** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by `update` method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ - function computeStyle(data, options) { - var x = options.x, - y = options.y; - var popper = data.offsets.popper; - - // Remove this legacy support in Popper.js v2 - - var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) { - return modifier.name === 'applyStyle'; - }).gpuAcceleration; - if (legacyGpuAccelerationOption !== undefined) { - console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!'); - } - var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration; - - var offsetParent = getOffsetParent(data.instance.popper); - var offsetParentRect = getBoundingClientRect(offsetParent); - - // Styles - var styles = { - position: popper.position - }; - - var offsets = getRoundedOffsets(data, window.devicePixelRatio < 2 || !isFirefox); - - var sideA = x === 'bottom' ? 'top' : 'bottom'; - var sideB = y === 'right' ? 'left' : 'right'; - - // if gpuAcceleration is set to `true` and transform is supported, - // we use `translate3d` to apply the position to the popper we - // automatically use the supported prefixed version if needed - var prefixedProperty = getSupportedPropertyName('transform'); - - // now, let's make a step back and look at this code closely (wtf?) - // If the content of the popper grows once it's been positioned, it - // may happen that the popper gets misplaced because of the new content - // overflowing its reference element - // To avoid this problem, we provide two options (x and y), which allow - // the consumer to define the offset origin. - // If we position a popper on top of a reference element, we can set - // `x` to `top` to make the popper grow towards its top instead of - // its bottom. - var left = void 0, - top = void 0; - if (sideA === 'bottom') { - // when offsetParent is <html> the positioning is relative to the bottom of the screen (excluding the scrollbar) - // and not the bottom of the html element - if (offsetParent.nodeName === 'HTML') { - top = -offsetParent.clientHeight + offsets.bottom; - } else { - top = -offsetParentRect.height + offsets.bottom; - } - } else { - top = offsets.top; - } - if (sideB === 'right') { - if (offsetParent.nodeName === 'HTML') { - left = -offsetParent.clientWidth + offsets.right; - } else { - left = -offsetParentRect.width + offsets.right; + case end: + offsets[mainAxis] = Math.floor(offsets[mainAxis]) + Math.ceil(reference[len] / 2 - element[len] / 2); + break; } - } else { - left = offsets.left; - } - if (gpuAcceleration && prefixedProperty) { - styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)'; - styles[sideA] = 0; - styles[sideB] = 0; - styles.willChange = 'transform'; - } else { - // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties - var invertTop = sideA === 'bottom' ? -1 : 1; - var invertLeft = sideB === 'right' ? -1 : 1; - styles[sideA] = top * invertTop; - styles[sideB] = left * invertLeft; - styles.willChange = sideA + ', ' + sideB; } - // Attributes - var attributes = { - 'x-placement': data.placement - }; - - // Update `data` attributes, styles and arrowStyles - data.attributes = _extends$1({}, attributes, data.attributes); - data.styles = _extends$1({}, styles, data.styles); - data.arrowStyles = _extends$1({}, data.offsets.arrow, data.arrowStyles); - - return data; + return offsets; } - /** - * Helper used to know if the given modifier depends from another one.<br /> - * It checks if the needed modifier is listed and enabled. - * @method - * @memberof Popper.Utils - * @param {Array} modifiers - list of modifiers - * @param {String} requestingName - name of requesting modifier - * @param {String} requestedName - name of requested modifier - * @returns {Boolean} - */ - function isModifierRequired(modifiers, requestingName, requestedName) { - var requesting = find(modifiers, function (_ref) { - var name = _ref.name; - return name === requestingName; - }); + function detectOverflow(state, options) { + if (options === void 0) { + options = {}; + } - var isRequired = !!requesting && modifiers.some(function (modifier) { - return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order; + var _options = options, + _options$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 referenceElement = state.elements.reference; + var popperRect = state.rects.popper; + var element = state.elements[altBoundary ? altContext : elementContext]; + var clippingClientRect = getClippingRect(isElement$1(element) ? element : element.contextElement || getDocumentElement(state.elements.popper), boundary, rootBoundary); + var referenceClientRect = getBoundingClientRect(referenceElement); + var popperOffsets = computeOffsets({ + reference: referenceClientRect, + element: popperRect, + strategy: 'absolute', + placement: placement }); - - if (!isRequired) { - var _requesting = '`' + requestingName + '`'; - var requested = '`' + requestedName + '`'; - console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!'); + var popperClientRect = rectToClientRect(Object.assign(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 isRequired; + + return overflowOffsets; } - /** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ - function arrow(data, options) { - var _data$offsets$arrow; + /*:: type OverflowsMap = { [ComputedPlacement]: number }; */ - // arrow depends on keepTogether in order to work - if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) { - return data; + /*;; type OverflowsMap = { [key in ComputedPlacement]: number }; */ + function computeAutoPlacement(state, options) { + if (options === void 0) { + options = {}; } - var arrowElement = options.element; + var _options = options, + placement = _options.placement, + boundary = _options.boundary, + rootBoundary = _options.rootBoundary, + padding = _options.padding, + flipVariations = _options.flipVariations, + _options$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; // $FlowFixMe + + var allowedPlacements = placements$1.filter(function (placement) { + return allowedAutoPlacements.indexOf(placement) >= 0; + }); - // if arrowElement is a string, suppose it's a CSS selector - if (typeof arrowElement === 'string') { - arrowElement = data.instance.popper.querySelector(arrowElement); + if (allowedPlacements.length === 0) { + allowedPlacements = placements$1; + } // $FlowFixMe: Flow seems to have problems with two array unions... + + + var overflows = allowedPlacements.reduce(function (acc, placement) { + acc[placement] = detectOverflow(state, { + placement: placement, + boundary: boundary, + rootBoundary: rootBoundary, + padding: padding + })[getBasePlacement(placement)]; + return acc; + }, {}); + return Object.keys(overflows).sort(function (a, b) { + return overflows[a] - overflows[b]; + }); + } - // if arrowElement is not found, don't run the modifier - if (!arrowElement) { - return data; - } - } else { - // if the arrowElement isn't a query selector we must check that the - // provided DOM node is child of its popper node - if (!data.instance.popper.contains(arrowElement)) { - console.warn('WARNING: `arrow.element` must be child of its popper element!'); - return data; - } + function getExpandedFallbackPlacements(placement) { + if (getBasePlacement(placement) === auto) { + return []; } - var placement = data.placement.split('-')[0]; - var _data$offsets = data.offsets, - popper = _data$offsets.popper, - reference = _data$offsets.reference; + var oppositePlacement = getOppositePlacement(placement); + return [getOppositeVariationPlacement(placement), oppositePlacement, getOppositeVariationPlacement(oppositePlacement)]; + } - var isVertical = ['left', 'right'].indexOf(placement) !== -1; + function flip(_ref) { + var state = _ref.state, + options = _ref.options, + name = _ref.name; - var len = isVertical ? 'height' : 'width'; - var sideCapitalized = isVertical ? 'Top' : 'Left'; - var side = sideCapitalized.toLowerCase(); - var altSide = isVertical ? 'left' : 'top'; - var opSide = isVertical ? 'bottom' : 'right'; - var arrowElementSize = getOuterSizes(arrowElement)[len]; - - // - // extends keepTogether behavior making sure the popper and its - // reference have enough pixels in conjunction - // - - // top/left side - if (reference[opSide] - arrowElementSize < popper[side]) { - data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize); - } - // bottom/right side - if (reference[side] + arrowElementSize > popper[opSide]) { - data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide]; + if (state.modifiersData[name]._skip) { + return; } - data.offsets.popper = getClientRect(data.offsets.popper); - // compute center of the popper - var center = reference[side] + reference[len] / 2 - arrowElementSize / 2; + 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; - // Compute the sideValue using the updated popper offsets - // take popper margin in account because we don't have this info available - var css = getStyleComputedProperty(data.instance.popper); - var popperMarginSide = parseFloat(css['margin' + sideCapitalized]); - var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width']); - var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide; + if (referenceRect[len] > popperRect[len]) { + mainVariationSide = getOppositePlacement(mainVariationSide); + } - // prevent arrowElement from being placed not contiguously to its popper - sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0); + var altVariationSide = getOppositePlacement(mainVariationSide); + var checks = []; - data.arrowElement = arrowElement; - data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow); + if (checkMainAxis) { + checks.push(overflow[_basePlacement] <= 0); + } - return data; - } + if (checkAltAxis) { + checks.push(overflow[mainVariationSide] <= 0, overflow[altVariationSide] <= 0); + } - /** - * Get the opposite placement variation of the given one - * @method - * @memberof Popper.Utils - * @argument {String} placement variation - * @returns {String} flipped placement variation - */ - function getOppositeVariation(variation) { - if (variation === 'end') { - return 'start'; - } else if (variation === 'start') { - return 'end'; + if (checks.every(function (check) { + return check; + })) { + firstFittingPlacement = placement; + makeFallbackChecks = false; + break; + } + + checksMap.set(placement, checks); } - return variation; - } - /** - * List of accepted placements to use as values of the `placement` option.<br /> - * Valid placements are: - * - `auto` - * - `top` - * - `right` - * - `bottom` - * - `left` - * - * Each placement can have a variation from this list: - * - `-start` - * - `-end` - * - * Variations are interpreted easily if you think of them as the left to right - * written languages. Horizontally (`top` and `bottom`), `start` is left and `end` - * is right.<br /> - * Vertically (`left` and `right`), `start` is top and `end` is bottom. - * - * Some valid examples are: - * - `top-end` (on top of reference, right aligned) - * - `right-start` (on right of reference, top aligned) - * - `bottom` (on bottom, centered) - * - `auto-end` (on the side with more space available, alignment depends by placement) - * - * @static - * @type {Array} - * @enum {String} - * @readonly - * @method placements - * @memberof Popper - */ - var placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start']; + if (makeFallbackChecks) { + // `2` may be desired in some cases – research later + var numberOfChecks = flipVariations ? 3 : 1; - // Get rid of `auto` `auto-start` and `auto-end` - var validPlacements = placements.slice(3); + var _loop = function _loop(_i) { + var fittingPlacement = placements.find(function (placement) { + var checks = checksMap.get(placement); - /** - * Given an initial placement, returns all the subsequent placements - * clockwise (or counter-clockwise). - * - * @method - * @memberof Popper.Utils - * @argument {String} placement - A valid placement (it accepts variations) - * @argument {Boolean} counter - Set to true to walk the placements counterclockwise - * @returns {Array} placements including their variations - */ - function clockwise(placement) { - var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; + if (checks) { + return checks.slice(0, _i).every(function (check) { + return check; + }); + } + }); - var index = validPlacements.indexOf(placement); - var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index)); - return counter ? arr.reverse() : arr; - } + if (fittingPlacement) { + firstFittingPlacement = fittingPlacement; + return "break"; + } + }; - var BEHAVIORS = { - FLIP: 'flip', - CLOCKWISE: 'clockwise', - COUNTERCLOCKWISE: 'counterclockwise' - }; + for (var _i = numberOfChecks; _i > 0; _i--) { + var _ret = _loop(_i); - /** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ - function flip(data, options) { - // if `inner` modifier is enabled, we can't use the `flip` modifier - if (isModifierEnabled(data.instance.modifiers, 'inner')) { - return data; + if (_ret === "break") break; + } } - if (data.flipped && data.placement === data.originalPlacement) { - // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides - return data; + if (state.placement !== firstFittingPlacement) { + state.modifiersData[name]._skip = true; + state.placement = firstFittingPlacement; + state.reset = true; } + } // eslint-disable-next-line import/no-unused-modules - var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement, data.positionFixed); - - var placement = data.placement.split('-')[0]; - var placementOpposite = getOppositePlacement(placement); - var variation = data.placement.split('-')[1] || ''; - - var flipOrder = []; - switch (options.behavior) { - case BEHAVIORS.FLIP: - flipOrder = [placement, placementOpposite]; - break; - case BEHAVIORS.CLOCKWISE: - flipOrder = clockwise(placement); - break; - case BEHAVIORS.COUNTERCLOCKWISE: - flipOrder = clockwise(placement, true); - break; - default: - flipOrder = options.behavior; + var flip$1 = { + name: 'flip', + enabled: true, + phase: 'main', + fn: flip, + requiresIfExists: ['offset'], + data: { + _skip: false } + }; - flipOrder.forEach(function (step, index) { - if (placement !== step || flipOrder.length === index + 1) { - return data; - } + function getSideOffsets(overflow, rect, preventedOffsets) { + if (preventedOffsets === void 0) { + preventedOffsets = { + x: 0, + y: 0 + }; + } - placement = data.placement.split('-')[0]; - placementOpposite = getOppositePlacement(placement); + 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 + }; + } - var popperOffsets = data.offsets.popper; - var refOffsets = data.offsets.reference; + function isAnySideFullyClipped(overflow) { + return [top, right, bottom, left].some(function (side) { + return overflow[side] >= 0; + }); + } - // using floor because the reference offsets may contain decimals we are not going to consider here - var floor = Math.floor; - var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom); + 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(Object.assign({}, state.attributes.popper), {}, { + 'data-popper-reference-hidden': isReferenceHidden, + 'data-popper-escaped': hasPopperEscaped + }); + } // eslint-disable-next-line import/no-unused-modules - var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left); - var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right); - var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top); - var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom); - var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom; + var hide$1 = { + name: 'hide', + enabled: true, + phase: 'main', + requiresIfExists: ['preventOverflow'], + fn: hide + }; - // flip the variation if required - var isVertical = ['top', 'bottom'].indexOf(placement) !== -1; + function distanceAndSkiddingToXY(placement, rects, offset) { + var basePlacement = getBasePlacement(placement); + var invertDistance = [left, top].indexOf(basePlacement) >= 0 ? -1 : 1; + + var _ref = typeof offset === 'function' ? offset(Object.assign(Object.assign({}, rects), {}, { + placement: placement + })) : offset, + skidding = _ref[0], + distance = _ref[1]; + + skidding = skidding || 0; + distance = (distance || 0) * invertDistance; + return [left, right].indexOf(basePlacement) >= 0 ? { + x: distance, + y: skidding + } : { + x: skidding, + y: distance + }; + } - // flips variation if reference element overflows boundaries - var flippedVariationByRef = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom); + function offset(_ref2) { + var state = _ref2.state, + options = _ref2.options, + name = _ref2.name; + var _options$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; + } - // flips variation if popper content overflows boundaries - var flippedVariationByContent = !!options.flipVariationsByContent && (isVertical && variation === 'start' && overflowsRight || isVertical && variation === 'end' && overflowsLeft || !isVertical && variation === 'start' && overflowsBottom || !isVertical && variation === 'end' && overflowsTop); + state.modifiersData[name] = data; + } // eslint-disable-next-line import/no-unused-modules - var flippedVariation = flippedVariationByRef || flippedVariationByContent; - if (overlapsRef || overflowsBoundaries || flippedVariation) { - // this boolean to detect any flip loop - data.flipped = true; + var offset$1 = { + name: 'offset', + enabled: true, + phase: 'main', + requires: ['popperOffsets'], + fn: offset + }; - if (overlapsRef || overflowsBoundaries) { - placement = flipOrder[index + 1]; - } + 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 - if (flippedVariation) { - variation = getOppositeVariation(variation); - } - data.placement = placement + (variation ? '-' + variation : ''); + var popperOffsets$1 = { + name: 'popperOffsets', + enabled: true, + phase: 'read', + fn: popperOffsets, + data: {} + }; - // this object contains `position`, we want to preserve it along with - // any additional property we may add in the future - data.offsets.popper = _extends$1({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement)); + function getAltAxis(axis) { + return axis === 'x' ? 'y' : 'x'; + } - data = runModifiers(data.instance.modifiers, data, 'flip'); - } + function preventOverflow(_ref) { + var state = _ref.state, + options = _ref.options, + name = _ref.name; + var _options$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$tetherOffset; + var overflow = detectOverflow(state, { + boundary: boundary, + rootBoundary: rootBoundary, + padding: padding, + altBoundary: altBoundary }); - return data; - } + var basePlacement = getBasePlacement(state.placement); + var variation = getVariation(state.placement); + var isBasePlacement = !variation; + var mainAxis = getMainAxisFromPlacement(basePlacement); + var altAxis = getAltAxis(mainAxis); + var popperOffsets = state.modifiersData.popperOffsets; + var referenceRect = state.rects.reference; + var popperRect = state.rects.popper; + var tetherOffsetValue = typeof tetherOffset === 'function' ? tetherOffset(Object.assign(Object.assign({}, state.rects), {}, { + placement: state.placement + })) : tetherOffset; + var data = { + x: 0, + y: 0 + }; - /** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ - function keepTogether(data) { - var _data$offsets = data.offsets, - popper = _data$offsets.popper, - reference = _data$offsets.reference; - - var placement = data.placement.split('-')[0]; - var floor = Math.floor; - var isVertical = ['top', 'bottom'].indexOf(placement) !== -1; - var side = isVertical ? 'right' : 'bottom'; - var opSide = isVertical ? 'left' : 'top'; - var measurement = isVertical ? 'width' : 'height'; - - if (popper[side] < floor(reference[opSide])) { - data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement]; - } - if (popper[opSide] > floor(reference[side])) { - data.offsets.popper[opSide] = floor(reference[side]); + if (!popperOffsets) { + return; } - return data; - } - - /** - * Converts a string containing value + unit into a px value number - * @function - * @memberof {modifiers~offset} - * @private - * @argument {String} str - Value + unit string - * @argument {String} measurement - `height` or `width` - * @argument {Object} popperOffsets - * @argument {Object} referenceOffsets - * @returns {Number|String} - * Value in pixels, or original string if no values were extracted - */ - function toValue(str, measurement, popperOffsets, referenceOffsets) { - // separate value from unit - var split = str.match(/((?:\-|\+)?\d*\.?\d*)(.*)/); - var value = +split[1]; - var unit = split[2]; - - // If it's not a number it's an operator, I guess - if (!value) { - return str; + if (checkMainAxis) { + var mainSide = mainAxis === 'y' ? top : left; + var altSide = mainAxis === 'y' ? bottom : right; + var len = mainAxis === 'y' ? 'height' : 'width'; + var offset = popperOffsets[mainAxis]; + var min = popperOffsets[mainAxis] + overflow[mainSide]; + var max = 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; + var preventedOffset = within(tether ? Math.min(min, tetherMin) : min, offset, tether ? Math.max(max, tetherMax) : max); + popperOffsets[mainAxis] = preventedOffset; + data[mainAxis] = preventedOffset - offset; } - if (unit.indexOf('%') === 0) { - var element = void 0; - switch (unit) { - case '%p': - element = popperOffsets; - break; - case '%': - case '%r': - default: - element = referenceOffsets; - } - - var rect = getClientRect(element); - return rect[measurement] / 100 * value; - } else if (unit === 'vh' || unit === 'vw') { - // if is a vh or vw, we calculate the size based on the viewport - var size = void 0; - if (unit === 'vh') { - size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0); - } else { - size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0); - } - return size / 100 * value; - } else { - // if is an explicit pixel unit, we get rid of the unit and keep the value - // if is an implicit unit, it's px, and we return just the value - return value; - } - } + if (checkAltAxis) { + var _mainSide = mainAxis === 'x' ? top : left; - /** - * Parse an `offset` string to extrapolate `x` and `y` numeric offsets. - * @function - * @memberof {modifiers~offset} - * @private - * @argument {String} offset - * @argument {Object} popperOffsets - * @argument {Object} referenceOffsets - * @argument {String} basePlacement - * @returns {Array} a two cells array with x and y offsets in numbers - */ - function parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) { - var offsets = [0, 0]; - - // Use height if placement is left or right and index is 0 otherwise use width - // in this way the first offset will use an axis and the second one - // will use the other one - var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1; - - // Split the offset string to obtain a list of values and operands - // The regex addresses values with the plus or minus sign in front (+10, -20, etc) - var fragments = offset.split(/(\+|\-)/).map(function (frag) { - return frag.trim(); - }); + var _altSide = mainAxis === 'x' ? bottom : right; - // Detect if the offset string contains a pair of values or a single one - // they could be separated by comma or space - var divider = fragments.indexOf(find(fragments, function (frag) { - return frag.search(/,|\s/) !== -1; - })); + var _offset = popperOffsets[altAxis]; - if (fragments[divider] && fragments[divider].indexOf(',') === -1) { - console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.'); - } + var _min = _offset + overflow[_mainSide]; - // If divider is found, we divide the list of values and operands to divide - // them by ofset X and Y. - var splitRegex = /\s*,\s*|\s+/; - var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments]; - - // Convert the values with units to absolute pixels to allow our computations - ops = ops.map(function (op, index) { - // Most of the units rely on the orientation of the popper - var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width'; - var mergeWithPrevious = false; - return op - // This aggregates any `+` or `-` sign that aren't considered operators - // e.g.: 10 + +5 => [10, +, +5] - .reduce(function (a, b) { - if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) { - a[a.length - 1] = b; - mergeWithPrevious = true; - return a; - } else if (mergeWithPrevious) { - a[a.length - 1] += b; - mergeWithPrevious = false; - return a; - } else { - return a.concat(b); - } - }, []) - // Here we convert the string values into number values (in px) - .map(function (str) { - return toValue(str, measurement, popperOffsets, referenceOffsets); - }); - }); + var _max = _offset - overflow[_altSide]; - // Loop trough the offsets arrays and execute the operations - ops.forEach(function (op, index) { - op.forEach(function (frag, index2) { - if (isNumeric(frag)) { - offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1); - } - }); - }); - return offsets; - } + var _preventedOffset = within(_min, _offset, _max); - /** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @argument {Number|String} options.offset=0 - * The offset value as described in the modifier description - * @returns {Object} The data object, properly modified - */ - function offset(data, _ref) { - var offset = _ref.offset; - var placement = data.placement, - _data$offsets = data.offsets, - popper = _data$offsets.popper, - reference = _data$offsets.reference; - - var basePlacement = placement.split('-')[0]; - - var offsets = void 0; - if (isNumeric(+offset)) { - offsets = [+offset, 0]; - } else { - offsets = parseOffset(offset, popper, reference, basePlacement); + popperOffsets[altAxis] = _preventedOffset; + data[altAxis] = _preventedOffset - _offset; } - if (basePlacement === 'left') { - popper.top += offsets[0]; - popper.left -= offsets[1]; - } else if (basePlacement === 'right') { - popper.top += offsets[0]; - popper.left += offsets[1]; - } else if (basePlacement === 'top') { - popper.left += offsets[0]; - popper.top -= offsets[1]; - } else if (basePlacement === 'bottom') { - popper.left += offsets[0]; - popper.top += offsets[1]; - } + state.modifiersData[name] = data; + } // eslint-disable-next-line import/no-unused-modules - data.popper = popper; - return data; - } - /** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by `update` method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ - function preventOverflow(data, options) { - var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper); - - // If offsetParent is the reference element, we really want to - // go one step up and use the next offsetParent as reference to - // avoid to make this modifier completely useless and look like broken - if (data.instance.reference === boundariesElement) { - boundariesElement = getOffsetParent(boundariesElement); - } + var preventOverflow$1 = { + name: 'preventOverflow', + enabled: true, + phase: 'main', + fn: preventOverflow, + requiresIfExists: ['offset'] + }; - // NOTE: DOM access here - // resets the popper's position so that the document size can be calculated excluding - // the size of the popper element itself - var transformProp = getSupportedPropertyName('transform'); - var popperStyles = data.instance.popper.style; // assignment to help minification - var top = popperStyles.top, - left = popperStyles.left, - transform = popperStyles[transformProp]; - - popperStyles.top = ''; - popperStyles.left = ''; - popperStyles[transformProp] = ''; - - var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement, data.positionFixed); - - // NOTE: DOM access here - // restores the original style properties after the offsets have been computed - popperStyles.top = top; - popperStyles.left = left; - popperStyles[transformProp] = transform; - - options.boundaries = boundaries; - - var order = options.priority; - var popper = data.offsets.popper; - - var check = { - primary: function primary(placement) { - var value = popper[placement]; - if (popper[placement] < boundaries[placement] && !options.escapeWithReference) { - value = Math.max(popper[placement], boundaries[placement]); - } - return defineProperty({}, placement, value); - }, - secondary: function secondary(placement) { - var mainSide = placement === 'right' ? 'left' : 'top'; - var value = popper[mainSide]; - if (popper[placement] > boundaries[placement] && !options.escapeWithReference) { - value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height)); - } - return defineProperty({}, mainSide, value); - } + function getHTMLElementScroll(element) { + return { + scrollLeft: element.scrollLeft, + scrollTop: element.scrollTop }; - - order.forEach(function (placement) { - var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary'; - popper = _extends$1({}, popper, check[side](placement)); - }); - - data.offsets.popper = popper; - - return data; } - /** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by `update` method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ - function shift(data) { - var placement = data.placement; - var basePlacement = placement.split('-')[0]; - var shiftvariation = placement.split('-')[1]; - - // if shift shiftvariation is specified, run the modifier - if (shiftvariation) { - var _data$offsets = data.offsets, - reference = _data$offsets.reference, - popper = _data$offsets.popper; - - var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1; - var side = isVertical ? 'left' : 'top'; - var measurement = isVertical ? 'width' : 'height'; - - var shiftOffsets = { - start: defineProperty({}, side, reference[side]), - end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement]) - }; - - data.offsets.popper = _extends$1({}, popper, shiftOffsets[shiftvariation]); + function getNodeScroll(node) { + if (node === getWindow(node) || !isHTMLElement(node)) { + return getWindowScroll(node); + } else { + return getHTMLElementScroll(node); } - - return data; } - /** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by update method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ - function hide(data) { - if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) { - return data; + // Composite means it takes into account transforms as well as layout. + + function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) { + if (isFixed === void 0) { + isFixed = false; } - var refRect = data.offsets.reference; - var bound = find(data.instance.modifiers, function (modifier) { - return modifier.name === 'preventOverflow'; - }).boundaries; + var documentElement = getDocumentElement(offsetParent); + var rect = getBoundingClientRect(elementOrVirtualElement); + var isOffsetParentAnElement = isHTMLElement(offsetParent); + var scroll = { + scrollLeft: 0, + scrollTop: 0 + }; + var offsets = { + x: 0, + y: 0 + }; - if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) { - // Avoid unnecessary DOM access if visibility hasn't changed - if (data.hide === true) { - return data; + if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) { + if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078 + isScrollParent(documentElement)) { + scroll = getNodeScroll(offsetParent); } - data.hide = true; - data.attributes['x-out-of-boundaries'] = ''; - } else { - // Avoid unnecessary DOM access if visibility hasn't changed - if (data.hide === false) { - return data; + if (isHTMLElement(offsetParent)) { + offsets = getBoundingClientRect(offsetParent); + offsets.x += offsetParent.clientLeft; + offsets.y += offsetParent.clientTop; + } else if (documentElement) { + offsets.x = getWindowScrollBarX(documentElement); } - - data.hide = false; - data.attributes['x-out-of-boundaries'] = false; } - return data; + return { + x: rect.left + scroll.scrollLeft - offsets.x, + y: rect.top + scroll.scrollTop - offsets.y, + width: rect.width, + height: rect.height + }; } - /** - * @function - * @memberof Modifiers - * @argument {Object} data - The data object generated by `update` method - * @argument {Object} options - Modifiers configuration and options - * @returns {Object} The data object, properly modified - */ - function inner(data) { - var placement = data.placement; - var basePlacement = placement.split('-')[0]; - var _data$offsets = data.offsets, - popper = _data$offsets.popper, - reference = _data$offsets.reference; - - var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1; - - var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1; - - popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0); - - data.placement = getOppositePlacement(placement); - data.offsets.popper = getClientRect(popper); + 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); + } - return data; + modifiers.forEach(function (modifier) { + if (!visited.has(modifier.name)) { + // check for visited object + sort(modifier); + } + }); + return result; } - /** - * Modifier function, each modifier can have a function of this type assigned - * to its `fn` property.<br /> - * These functions will be called on each update, this means that you must - * make sure they are performant enough to avoid performance bottlenecks. - * - * @function ModifierFn - * @argument {dataObject} data - The data object generated by `update` method - * @argument {Object} options - Modifiers configuration and options - * @returns {dataObject} The data object, properly modified - */ - - /** - * Modifiers are plugins used to alter the behavior of your poppers.<br /> - * Popper.js uses a set of 9 modifiers to provide all the basic functionalities - * needed by the library. - * - * Usually you don't want to override the `order`, `fn` and `onLoad` props. - * All the other properties are configurations that could be tweaked. - * @namespace modifiers - */ - var modifiers = { - /** - * Modifier used to shift the popper on the start or end of its reference - * element.<br /> - * It will read the variation of the `placement` property.<br /> - * It can be one either `-end` or `-start`. - * @memberof modifiers - * @inner - */ - shift: { - /** @prop {number} order=100 - Index used to define the order of execution */ - order: 100, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: shift - }, + function orderModifiers(modifiers) { + // order based on dependencies + var orderedModifiers = order(modifiers); // order based on phase - /** - * The `offset` modifier can shift your popper on both its axis. - * - * It accepts the following units: - * - `px` or unit-less, interpreted as pixels - * - `%` or `%r`, percentage relative to the length of the reference element - * - `%p`, percentage relative to the length of the popper element - * - `vw`, CSS viewport width unit - * - `vh`, CSS viewport height unit - * - * For length is intended the main axis relative to the placement of the popper.<br /> - * This means that if the placement is `top` or `bottom`, the length will be the - * `width`. In case of `left` or `right`, it will be the `height`. - * - * You can provide a single value (as `Number` or `String`), or a pair of values - * as `String` divided by a comma or one (or more) white spaces.<br /> - * The latter is a deprecated method because it leads to confusion and will be - * removed in v2.<br /> - * Additionally, it accepts additions and subtractions between different units. - * Note that multiplications and divisions aren't supported. - * - * Valid examples are: - * ``` - * 10 - * '10%' - * '10, 10' - * '10%, 10' - * '10 + 10%' - * '10 - 5vh + 3%' - * '-10px + 5vh, 5px - 6%' - * ``` - * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap - * > with their reference element, unfortunately, you will have to disable the `flip` modifier. - * > You can read more on this at this [issue](https://github.com/FezVrasta/popper.js/issues/373). - * - * @memberof modifiers - * @inner - */ - offset: { - /** @prop {number} order=200 - Index used to define the order of execution */ - order: 200, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: offset, - /** @prop {Number|String} offset=0 - * The offset value as described in the modifier description - */ - offset: 0 - }, - - /** - * Modifier used to prevent the popper from being positioned outside the boundary. - * - * A scenario exists where the reference itself is not within the boundaries.<br /> - * We can say it has "escaped the boundaries" — or just "escaped".<br /> - * In this case we need to decide whether the popper should either: - * - * - detach from the reference and remain "trapped" in the boundaries, or - * - if it should ignore the boundary and "escape with its reference" - * - * When `escapeWithReference` is set to`true` and reference is completely - * outside its boundaries, the popper will overflow (or completely leave) - * the boundaries in order to remain attached to the edge of the reference. - * - * @memberof modifiers - * @inner - */ - preventOverflow: { - /** @prop {number} order=300 - Index used to define the order of execution */ - order: 300, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: preventOverflow, - /** - * @prop {Array} [priority=['left','right','top','bottom']] - * Popper will try to prevent overflow following these priorities by default, - * then, it could overflow on the left and on top of the `boundariesElement` - */ - priority: ['left', 'right', 'top', 'bottom'], - /** - * @prop {number} padding=5 - * Amount of pixel used to define a minimum distance between the boundaries - * and the popper. This makes sure the popper always has a little padding - * between the edges of its container - */ - padding: 5, - /** - * @prop {String|HTMLElement} boundariesElement='scrollParent' - * Boundaries used by the modifier. Can be `scrollParent`, `window`, - * `viewport` or any DOM element. - */ - boundariesElement: 'scrollParent' - }, - - /** - * Modifier used to make sure the reference and its popper stay near each other - * without leaving any gap between the two. Especially useful when the arrow is - * enabled and you want to ensure that it points to its reference element. - * It cares only about the first axis. You can still have poppers with margin - * between the popper and its reference element. - * @memberof modifiers - * @inner - */ - keepTogether: { - /** @prop {number} order=400 - Index used to define the order of execution */ - order: 400, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: keepTogether - }, - - /** - * This modifier is used to move the `arrowElement` of the popper to make - * sure it is positioned between the reference element and its popper element. - * It will read the outer size of the `arrowElement` node to detect how many - * pixels of conjunction are needed. - * - * It has no effect if no `arrowElement` is provided. - * @memberof modifiers - * @inner - */ - arrow: { - /** @prop {number} order=500 - Index used to define the order of execution */ - order: 500, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: arrow, - /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */ - element: '[x-arrow]' - }, - - /** - * Modifier used to flip the popper's placement when it starts to overlap its - * reference element. - * - * Requires the `preventOverflow` modifier before it in order to work. - * - * **NOTE:** this modifier will interrupt the current update cycle and will - * restart it if it detects the need to flip the placement. - * @memberof modifiers - * @inner - */ - flip: { - /** @prop {number} order=600 - Index used to define the order of execution */ - order: 600, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: flip, - /** - * @prop {String|Array} behavior='flip' - * The behavior used to change the popper's placement. It can be one of - * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid - * placements (with optional variations) - */ - behavior: 'flip', - /** - * @prop {number} padding=5 - * The popper will flip if it hits the edges of the `boundariesElement` - */ - padding: 5, - /** - * @prop {String|HTMLElement} boundariesElement='viewport' - * The element which will define the boundaries of the popper position. - * The popper will never be placed outside of the defined boundaries - * (except if `keepTogether` is enabled) - */ - boundariesElement: 'viewport', - /** - * @prop {Boolean} flipVariations=false - * The popper will switch placement variation between `-start` and `-end` when - * the reference element overlaps its boundaries. - * - * The original placement should have a set variation. - */ - flipVariations: false, - /** - * @prop {Boolean} flipVariationsByContent=false - * The popper will switch placement variation between `-start` and `-end` when - * the popper element overlaps its reference boundaries. - * - * The original placement should have a set variation. - */ - flipVariationsByContent: false - }, - - /** - * Modifier used to make the popper flow toward the inner of the reference element. - * By default, when this modifier is disabled, the popper will be placed outside - * the reference element. - * @memberof modifiers - * @inner - */ - inner: { - /** @prop {number} order=700 - Index used to define the order of execution */ - order: 700, - /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */ - enabled: false, - /** @prop {ModifierFn} */ - fn: inner - }, - - /** - * Modifier used to hide the popper when its reference element is outside of the - * popper boundaries. It will set a `x-out-of-boundaries` attribute which can - * be used to hide with a CSS selector the popper when its reference is - * out of boundaries. - * - * Requires the `preventOverflow` modifier before it in order to work. - * @memberof modifiers - * @inner - */ - hide: { - /** @prop {number} order=800 - Index used to define the order of execution */ - order: 800, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: hide - }, + return modifierPhases.reduce(function (acc, phase) { + return acc.concat(orderedModifiers.filter(function (modifier) { + return modifier.phase === phase; + })); + }, []); + } - /** - * Computes the style that will be applied to the popper element to gets - * properly positioned. - * - * Note that this modifier will not touch the DOM, it just prepares the styles - * so that `applyStyle` modifier can apply it. This separation is useful - * in case you need to replace `applyStyle` with a custom implementation. - * - * This modifier has `850` as `order` value to maintain backward compatibility - * with previous versions of Popper.js. Expect the modifiers ordering method - * to change in future major versions of the library. - * - * @memberof modifiers - * @inner - */ - computeStyle: { - /** @prop {number} order=850 - Index used to define the order of execution */ - order: 850, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: computeStyle, - /** - * @prop {Boolean} gpuAcceleration=true - * If true, it uses the CSS 3D transformation to position the popper. - * Otherwise, it will use the `top` and `left` properties - */ - gpuAcceleration: true, - /** - * @prop {string} [x='bottom'] - * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin. - * Change this if your popper should grow in a direction different from `bottom` - */ - x: 'bottom', - /** - * @prop {string} [x='left'] - * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin. - * Change this if your popper should grow in a direction different from `right` - */ - y: 'right' - }, + function debounce(fn) { + var pending; + return function () { + if (!pending) { + pending = new Promise(function (resolve) { + Promise.resolve().then(function () { + pending = undefined; + resolve(fn()); + }); + }); + } - /** - * Applies the computed styles to the popper element. - * - * All the DOM manipulations are limited to this modifier. This is useful in case - * you want to integrate Popper.js inside a framework or view library and you - * want to delegate all the DOM manipulations to it. - * - * Note that if you disable this modifier, you must make sure the popper element - * has its position set to `absolute` before Popper.js can do its work! - * - * Just disable this modifier and define your own to achieve the desired effect. - * - * @memberof modifiers - * @inner - */ - applyStyle: { - /** @prop {number} order=900 - Index used to define the order of execution */ - order: 900, - /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */ - enabled: true, - /** @prop {ModifierFn} */ - fn: applyStyle, - /** @prop {Function} */ - onLoad: applyStyleOnLoad, - /** - * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier - * @prop {Boolean} gpuAcceleration=true - * If true, it uses the CSS 3D transformation to position the popper. - * Otherwise, it will use the `top` and `left` properties - */ - gpuAcceleration: undefined - } - }; + return pending; + }; + } - /** - * The `dataObject` is an object containing all the information used by Popper.js. - * This object is passed to modifiers and to the `onCreate` and `onUpdate` callbacks. - * @name dataObject - * @property {Object} data.instance The Popper.js instance - * @property {String} data.placement Placement applied to popper - * @property {String} data.originalPlacement Placement originally defined on init - * @property {Boolean} data.flipped True if popper has been flipped by flip modifier - * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper - * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier - * @property {Object} data.styles Any CSS property defined here will be applied to the popper. It expects the JavaScript nomenclature (eg. `marginBottom`) - * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow. It expects the JavaScript nomenclature (eg. `marginBottom`) - * @property {Object} data.boundaries Offsets of the popper boundaries - * @property {Object} data.offsets The measurements of popper, reference and arrow elements - * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values - * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values - * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0 - */ + function mergeByName(modifiers) { + var merged = modifiers.reduce(function (merged, current) { + var existing = merged[current.name]; + merged[current.name] = existing ? Object.assign(Object.assign(Object.assign({}, existing), current), {}, { + options: Object.assign(Object.assign({}, existing.options), current.options), + data: Object.assign(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]; + }); + } - /** - * Default options provided to Popper.js constructor.<br /> - * These can be overridden using the `options` argument of Popper.js.<br /> - * To override an option, simply pass an object with the same - * structure of the `options` object, as the 3rd argument. For example: - * ``` - * new Popper(ref, pop, { - * modifiers: { - * preventOverflow: { enabled: false } - * } - * }) - * ``` - * @type {Object} - * @static - * @memberof Popper - */ - var Defaults = { - /** - * Popper's placement. - * @prop {Popper.placements} placement='bottom' - */ + var DEFAULT_OPTIONS = { placement: 'bottom', - - /** - * Set this to true if you want popper to position it self in 'fixed' mode - * @prop {Boolean} positionFixed=false - */ - positionFixed: false, - - /** - * Whether events (resize, scroll) are initially enabled. - * @prop {Boolean} eventsEnabled=true - */ - eventsEnabled: true, - - /** - * Set to true if you want to automatically remove the popper when - * you call the `destroy` method. - * @prop {Boolean} removeOnDestroy=false - */ - removeOnDestroy: false, - - /** - * Callback called when the popper is created.<br /> - * By default, it is set to no-op.<br /> - * Access Popper.js instance with `data.instance`. - * @prop {onCreate} - */ - onCreate: function onCreate() {}, - - /** - * Callback called when the popper is updated. This callback is not called - * on the initialization/creation of the popper, but only on subsequent - * updates.<br /> - * By default, it is set to no-op.<br /> - * Access Popper.js instance with `data.instance`. - * @prop {onUpdate} - */ - onUpdate: function onUpdate() {}, - - /** - * List of modifiers used to modify the offsets before they are applied to the popper. - * They provide most of the functionalities of Popper.js. - * @prop {modifiers} - */ - modifiers: modifiers + modifiers: [], + strategy: 'absolute' }; - /** - * @callback onCreate - * @param {dataObject} data - */ - - /** - * @callback onUpdate - * @param {dataObject} data - */ + function areValidElements() { + for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } - // Utils - // Methods - var Popper = function () { - /** - * Creates a new Popper.js instance. - * @class Popper - * @param {Element|referenceObject} reference - The reference element used to position the popper - * @param {Element} popper - The HTML / XML element used as the popper - * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults) - * @return {Object} instance - The generated Popper.js instance - */ - function Popper(reference, popper) { - var _this = this; + return !args.some(function (element) { + return !(element && typeof element.getBoundingClientRect === 'function'); + }); + } - var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; - classCallCheck(this, Popper); + function popperGenerator(generatorOptions) { + if (generatorOptions === void 0) { + generatorOptions = {}; + } - this.scheduleUpdate = function () { - return requestAnimationFrame(_this.update); + 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(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(options) { + cleanupModifierEffects(); + state.options = Object.assign(Object.assign(Object.assign({}, defaultOptions), state.options), options); + state.scrollParents = { + reference: isElement$1(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 + + 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; + } - // make update() debounced, so that it only runs at most once-per-tick - this.update = debounce(this.update.bind(this)); - - // with {} we create a new object with the options inside it - this.options = _extends$1({}, Popper.Defaults, options); + var _state$elements = state.elements, + reference = _state$elements.reference, + popper = _state$elements.popper; // Don't proceed if `reference` or `popper` are not valid elements + // anymore - // init state - this.state = { - isDestroyed: false, - isCreated: false, - scrollParents: [] - }; + if (!areValidElements(reference, popper)) { - // get reference and popper elements (allow jQuery wrappers) - this.reference = reference && reference.jquery ? reference[0] : reference; - this.popper = popper && popper.jquery ? popper[0] : 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); + }); - // Deep merge modifiers options - this.options.modifiers = {}; - Object.keys(_extends$1({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) { - _this.options.modifiers[name] = _extends$1({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {}); - }); + for (var index = 0; index < state.orderedModifiers.length; index++) { - // Refactoring modifiers' list (Object => Array) - this.modifiers = Object.keys(this.options.modifiers).map(function (name) { - return _extends$1({ - name: name - }, _this.options.modifiers[name]); - }) - // sort the modifiers by order - .sort(function (a, b) { - return a.order - b.order; - }); + if (state.reset === true) { + state.reset = false; + index = -1; + continue; + } - // modifiers have the ability to execute arbitrary code when Popper.js get inited - // such code is executed in the same order of its modifier - // they could add new properties to their options configuration - // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`! - this.modifiers.forEach(function (modifierOptions) { - if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) { - modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state); + var _state$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; } - }); + }; - // fire the first update to position the popper in the right place - this.update(); + if (!areValidElements(reference, popper)) { - var eventsEnabled = this.options.eventsEnabled; - if (eventsEnabled) { - // setup event listeners, they will take care of update the position in specific situations - this.enableEventListeners(); + return instance; } - this.state.eventsEnabled = eventsEnabled; - } - - // We can't use class properties because they don't get listed in the - // class prototype and break stuff like Sinon stubs + 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() {}; - createClass(Popper, [{ - key: 'update', - value: function update$$1() { - return update.call(this); - } - }, { - key: 'destroy', - value: function destroy$$1() { - return destroy.call(this); - } - }, { - key: 'enableEventListeners', - value: function enableEventListeners$$1() { - return enableEventListeners.call(this); - } - }, { - key: 'disableEventListeners', - value: function disableEventListeners$$1() { - return disableEventListeners.call(this); + effectCleanupFns.push(cleanupFn || noopFn); + } + }); } - /** - * Schedules an update. It will run on the next UI update available. - * @method scheduleUpdate - * @memberof Popper - */ - - - /** - * Collection of utilities useful when writing custom modifiers. - * Starting from version 1.7, this method is available only if you - * include `popper-utils.js` before `popper.js`. - * - * **DEPRECATION**: This way to access PopperUtils is deprecated - * and will be removed in v2! Use the PopperUtils module directly instead. - * Due to the high instability of the methods contained in Utils, we can't - * guarantee them to follow semver. Use them at your own risk! - * @static - * @private - * @type {Object} - * @deprecated since version 1.8 - * @member Utils - * @memberof Popper - */ - - }]); - return Popper; - }(); - - /** - * The `referenceObject` is an object that provides an interface compatible with Popper.js - * and lets you use it as replacement of a real DOM node.<br /> - * You can use this method to position a popper relatively to a set of coordinates - * in case you don't have a DOM node to use as reference. - * - * ``` - * new Popper(referenceObject, popperNode); - * ``` - * - * NB: This feature isn't supported in Internet Explorer 10. - * @name referenceObject - * @property {Function} data.getBoundingClientRect - * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method. - * @property {number} data.clientWidth - * An ES6 getter that will return the width of the virtual reference element. - * @property {number} data.clientHeight - * An ES6 getter that will return the height of the virtual reference element. - */ - + function cleanupModifierEffects() { + effectCleanupFns.forEach(function (fn) { + return fn(); + }); + effectCleanupFns = []; + } - Popper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils; - Popper.placements = placements; - Popper.Defaults = Defaults; + return instance; + }; + } + var createPopper = /*#__PURE__*/popperGenerator(); // eslint-disable-next-line import/no-unused-modules + + var defaultModifiers = [eventListeners, popperOffsets$1, computeStyles$1, applyStyles$1]; + var createPopper$1 = /*#__PURE__*/popperGenerator({ + defaultModifiers: defaultModifiers + }); // eslint-disable-next-line import/no-unused-modules + + var defaultModifiers$1 = [eventListeners, popperOffsets$1, computeStyles$1, applyStyles$1, offset$1, flip$1, preventOverflow$1, arrow$1, hide$1]; + var createPopper$2 = /*#__PURE__*/popperGenerator({ + defaultModifiers: defaultModifiers$1 + }); // eslint-disable-next-line import/no-unused-modules + + var Popper = /*#__PURE__*/Object.freeze({ + __proto__: null, + popperGenerator: popperGenerator, + detectOverflow: detectOverflow, + createPopperBase: createPopper, + createPopper: createPopper$2, + 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 + }); /** * ------------------------------------------------------------------------ @@ -4675,9 +3776,7 @@ var CLASS_NAME_DROPUP = 'dropup'; var CLASS_NAME_DROPEND = 'dropend'; var CLASS_NAME_DROPSTART = 'dropstart'; - var CLASS_NAME_MENUEND = 'dropdown-menu-end'; var CLASS_NAME_NAVBAR = 'navbar'; - var CLASS_NAME_POSITION_STATIC = 'position-static'; var SELECTOR_DATA_TOGGLE$2 = '[data-bs-toggle="dropdown"]'; var SELECTOR_FORM_CHILD = '.dropdown form'; var SELECTOR_MENU = '.dropdown-menu'; @@ -4692,7 +3791,7 @@ var Default$2 = { offset: 0, flip: true, - boundary: 'scrollParent', + boundary: 'clippingParents', reference: 'toggle', display: 'dynamic', popperConfig: null @@ -4779,16 +3878,9 @@ if (typeof this._config.reference.jquery !== 'undefined') { referenceElement = this._config.reference[0]; } - } // If boundary is not `scrollParent`, then set position to `static` - // to allow the menu to "escape" the scroll parent's boundaries - // https://github.com/twbs/bootstrap/issues/24251 - - - if (this._config.boundary !== 'scrollParent') { - parent.classList.add(CLASS_NAME_POSITION_STATIC); } - this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig()); + this._popper = createPopper$2(referenceElement, this._menu, this._getPopperConfig()); } // If this is a touch-enabled device we add extra // empty mouseover listeners to the body's immediate children; // only needed because of broken event delegation on iOS @@ -4857,7 +3949,7 @@ this._inNavbar = this._detectNavbar(); if (this._popper) { - this._popper.scheduleUpdate(); + this._popper.update(); } } // Private ; @@ -4885,60 +3977,46 @@ _proto._getPlacement = function _getPlacement() { var parentDropdown = this._element.parentNode; - var placement = PLACEMENT_BOTTOM; // Handle dropup - if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) { - placement = this._menu.classList.contains(CLASS_NAME_MENUEND) ? PLACEMENT_TOPEND : PLACEMENT_TOP; - } else if (parentDropdown.classList.contains(CLASS_NAME_DROPEND)) { - placement = PLACEMENT_RIGHT; - } else if (parentDropdown.classList.contains(CLASS_NAME_DROPSTART)) { - placement = PLACEMENT_LEFT; - } else if (this._menu.classList.contains(CLASS_NAME_MENUEND)) { - placement = PLACEMENT_BOTTOMEND; + if (parentDropdown.classList.contains(CLASS_NAME_DROPEND)) { + return PLACEMENT_RIGHT; } - return placement; - }; + if (parentDropdown.classList.contains(CLASS_NAME_DROPSTART)) { + return PLACEMENT_LEFT; + } // We need to trim the value because custom properties can also include spaces - _proto._detectNavbar = function _detectNavbar() { - return Boolean(this._element.closest("." + CLASS_NAME_NAVBAR)); - }; - - _proto._getOffset = function _getOffset() { - var _this3 = this; - var offset = {}; + var isEnd = getComputedStyle(this._menu).getPropertyValue('--bs-position').trim() === 'end'; - if (typeof this._config.offset === 'function') { - offset.fn = function (data) { - data.offsets = _extends({}, data.offsets, _this3._config.offset(data.offsets, _this3._element) || {}); - return data; - }; - } else { - offset.offset = this._config.offset; + if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) { + return isEnd ? PLACEMENT_TOPEND : PLACEMENT_TOP; } - return offset; + return isEnd ? PLACEMENT_BOTTOMEND : PLACEMENT_BOTTOM; + }; + + _proto._detectNavbar = function _detectNavbar() { + return this._element.closest("." + CLASS_NAME_NAVBAR) !== null; }; _proto._getPopperConfig = function _getPopperConfig() { var popperConfig = { placement: this._getPlacement(), - modifiers: { - offset: this._getOffset(), - flip: { - enabled: this._config.flip - }, - preventOverflow: { - boundariesElement: this._config.boundary + modifiers: [{ + name: 'preventOverflow', + options: { + altBoundary: this._config.flip, + rootBoundary: this._config.boundary } - } + }] }; // Disable Popper if we have a static display if (this._config.display === 'static') { - popperConfig.modifiers.applyStyle = { + popperConfig.modifiers = [{ + name: 'applyStyles', enabled: false - }; + }]; } return _extends({}, popperConfig, this._config.popperConfig); @@ -5779,7 +4857,7 @@ /** * -------------------------------------------------------------------------- - * Bootstrap (v5.0.0-alpha3): util/sanitizer.js + * Bootstrap (v5.0.0-beta1): util/sanitizer.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ @@ -5925,9 +5003,8 @@ html: 'boolean', selector: '(string|boolean)', placement: '(string|function)', - offset: '(number|string|function)', container: '(string|element|boolean)', - fallbackPlacement: '(string|array)', + fallbackPlacements: '(null|array)', boundary: '(string|element)', customClass: '(string|function)', sanitize: 'boolean', @@ -5951,10 +5028,9 @@ html: false, selector: false, placement: 'top', - offset: 0, container: false, - fallbackPlacement: 'flip', - boundary: 'scrollParent', + fallbackPlacements: null, + boundary: 'clippingParents', customClass: '', sanitize: true, sanitizeFn: null, @@ -6131,7 +5207,7 @@ } EventHandler.trigger(this._element, this.constructor.Event.INSERTED); - this._popper = new Popper(this._element, tip, this._getPopperConfig(attachment)); + this._popper = createPopper$2(this._element, tip, this._getPopperConfig(attachment)); tip.classList.add(CLASS_NAME_SHOW$3); var customClass = typeof this.config.customClass === 'function' ? this.config.customClass() : this.config.customClass; @@ -6154,10 +5230,6 @@ } var complete = function complete() { - if (_this2.config.animation) { - _this2._fixTransition(); - } - var prevHoverState = _this2._hoverState; _this2._hoverState = null; EventHandler.trigger(_this2._element, _this2.constructor.Event.SHOWN); @@ -6197,7 +5269,11 @@ EventHandler.trigger(_this3._element, _this3.constructor.Event.HIDDEN); - _this3._popper.destroy(); + if (_this3._popper) { + _this3._popper.destroy(); + + _this3._popper = null; + } }; var hideEvent = EventHandler.trigger(this._element, this.constructor.Event.HIDE); @@ -6234,7 +5310,7 @@ _proto.update = function update() { if (this._popper !== null) { - this._popper.scheduleUpdate(); + this._popper.update(); } } // Protected ; @@ -6320,27 +5396,41 @@ _proto._getPopperConfig = function _getPopperConfig(attachment) { var _this4 = this; + var flipModifier = { + name: 'flip', + options: { + altBoundary: true + } + }; + + if (this.config.fallbackPlacements) { + flipModifier.options.fallbackPlacements = this.config.fallbackPlacements; + } + var defaultBsConfig = { placement: attachment, - modifiers: { - offset: this._getOffset(), - flip: { - behavior: this.config.fallbackPlacement - }, - arrow: { + modifiers: [flipModifier, { + name: 'preventOverflow', + options: { + rootBoundary: this.config.boundary + } + }, { + name: 'arrow', + options: { element: "." + this.constructor.NAME + "-arrow" - }, - preventOverflow: { - boundariesElement: this.config.boundary } - }, - onCreate: function onCreate(data) { - if (data.originalPlacement !== data.placement) { + }, { + name: 'onChange', + enabled: true, + phase: 'afterWrite', + fn: function fn(data) { + return _this4._handlePopperPlacementChange(data); + } + }], + onFirstUpdate: function onFirstUpdate(data) { + if (data.options.placement !== data.placement) { _this4._handlePopperPlacementChange(data); } - }, - onUpdate: function onUpdate(data) { - return _this4._handlePopperPlacementChange(data); } }; return _extends({}, defaultBsConfig, this.config.popperConfig); @@ -6350,23 +5440,6 @@ this.getTipElement().classList.add(CLASS_PREFIX + "-" + this.updateAttachment(attachment)); }; - _proto._getOffset = function _getOffset() { - var _this5 = this; - - var offset = {}; - - if (typeof this.config.offset === 'function') { - offset.fn = function (data) { - data.offsets = _extends({}, data.offsets, _this5.config.offset(data.offsets, _this5._element) || {}); - return data; - }; - } else { - offset.offset = this.config.offset; - } - - return offset; - }; - _proto._getContainer = function _getContainer() { if (this.config.container === false) { return document.body; @@ -6384,29 +5457,29 @@ }; _proto._setListeners = function _setListeners() { - var _this6 = this; + var _this5 = this; var triggers = this.config.trigger.split(' '); triggers.forEach(function (trigger) { if (trigger === 'click') { - EventHandler.on(_this6._element, _this6.constructor.Event.CLICK, _this6.config.selector, function (event) { - return _this6.toggle(event); + EventHandler.on(_this5._element, _this5.constructor.Event.CLICK, _this5.config.selector, function (event) { + return _this5.toggle(event); }); } else if (trigger !== TRIGGER_MANUAL) { - var eventIn = trigger === TRIGGER_HOVER ? _this6.constructor.Event.MOUSEENTER : _this6.constructor.Event.FOCUSIN; - var eventOut = trigger === TRIGGER_HOVER ? _this6.constructor.Event.MOUSELEAVE : _this6.constructor.Event.FOCUSOUT; - EventHandler.on(_this6._element, eventIn, _this6.config.selector, function (event) { - return _this6._enter(event); + var eventIn = trigger === TRIGGER_HOVER ? _this5.constructor.Event.MOUSEENTER : _this5.constructor.Event.FOCUSIN; + var eventOut = trigger === TRIGGER_HOVER ? _this5.constructor.Event.MOUSELEAVE : _this5.constructor.Event.FOCUSOUT; + EventHandler.on(_this5._element, eventIn, _this5.config.selector, function (event) { + return _this5._enter(event); }); - EventHandler.on(_this6._element, eventOut, _this6.config.selector, function (event) { - return _this6._leave(event); + EventHandler.on(_this5._element, eventOut, _this5.config.selector, function (event) { + return _this5._leave(event); }); } }); this._hideModalHandler = function () { - if (_this6._element) { - _this6.hide(); + if (_this5._element) { + _this5.hide(); } }; @@ -6579,26 +5652,17 @@ }; _proto._handlePopperPlacementChange = function _handlePopperPlacementChange(popperData) { - this.tip = popperData.instance.popper; - - this._cleanTipClass(); + var state = popperData.state; - this._addAttachmentClass(this._getAttachment(popperData.placement)); - }; - - _proto._fixTransition = function _fixTransition() { - var tip = this.getTipElement(); - var initConfigAnimation = this.config.animation; - - if (tip.getAttribute('x-placement') !== null) { + if (!state) { return; } - tip.classList.remove(CLASS_NAME_FADE$1); - this.config.animation = false; - this.hide(); - this.show(); - this.config.animation = initConfigAnimation; + this.tip = state.elements.popper; + + this._cleanTipClass(); + + this._addAttachmentClass(this._getAttachment(state.placement)); } // Static ; @@ -7613,7 +6677,7 @@ /** * -------------------------------------------------------------------------- - * Bootstrap (v5.0.0-alpha3): index.umd.js + * Bootstrap (v5.0.0-beta1): index.umd.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ |