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Diffstat (limited to 'src/main/resources/static/plugins/popper/umd/popper-utils.js')
| -rw-r--r-- | src/main/resources/static/plugins/popper/umd/popper-utils.js | 1151 |
1 files changed, 1151 insertions, 0 deletions
diff --git a/src/main/resources/static/plugins/popper/umd/popper-utils.js b/src/main/resources/static/plugins/popper/umd/popper-utils.js new file mode 100644 index 0000000..c7b9f83 --- /dev/null +++ b/src/main/resources/static/plugins/popper/umd/popper-utils.js @@ -0,0 +1,1151 @@ +/**! + * @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. + */ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (factory((global.PopperUtils = {}))); +}(this, (function (exports) { 'use strict'; + +/** + * 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; +} + +/** + * 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; + } + + switch (element.nodeName) { + case 'HTML': + case 'BODY': + return element.ownerDocument.body; + case '#document': + return element.body; + } + + // Firefox want us to check `-x` and `-y` variations as well + + 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)); +} + +/** + * 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; +} + +var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && typeof navigator !== 'undefined'; + +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; +} + +/** + * 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; + } + + var noOffsetParent = isIE(10) ? document.body : null; + + // 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 nodeName = offsetParent && offsetParent.nodeName; + + 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); + } + + return offsetParent; +} + +function isOffsetContainer(element) { + var nodeName = element.nodeName; + + if (nodeName === 'BODY') { + return false; + } + return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element; +} + +/** + * 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; +} + +/** + * 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; + } + + // 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; + + // Get common ancestor container + var range = document.createRange(); + range.setStart(start, 0); + range.setEnd(end, 0); + var commonAncestorContainer = range.commonAncestorContainer; + + // Both nodes are inside #document + + if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) { + if (isOffsetContainer(commonAncestorContainer)) { + return commonAncestorContainer; + } + + 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); + } +} + +/** + * 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]; +} + +/* + * 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; +} + +/* + * 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 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 getWindowSizes(document) { + var body = document.body; + var html = document.documentElement; + var computedStyle = isIE(10) && getComputedStyle(html); + + return { + height: getSize('Height', body, html, computedStyle), + width: getSize('Width', body, html, computedStyle) + }; +} + +var _extends = 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]; + } + } + } + + return target; +}; + +/** + * 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({}, offsets, { + right: offsets.left + offsets.width, + bottom: offsets.top + offsets.height + }); +} + +/** + * 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) {} + + var result = { + left: rect.left, + top: rect.top, + width: rect.right - rect.left, + height: rect.bottom - rect.top + }; + + // 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; + + var horizScrollbar = element.offsetWidth - width; + var vertScrollbar = element.offsetHeight - height; + + // 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'); + + result.width -= horizScrollbar; + result.height -= vertScrollbar; + } + + return getClientRect(result); +} + +function getOffsetRectRelativeToArbitraryNode(children, parent) { + var fixedPosition = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; + + var isIE10 = isIE(10); + var isHTML = parent.nodeName === 'HTML'; + var childrenRect = getBoundingClientRect(children); + var parentRect = getBoundingClientRect(parent); + var scrollParent = getScrollParent(children); + + 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 (isIE10 && !fixedPosition ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') { + offsets = includeScroll(offsets, parent); + } + + return offsets; +} + +function getViewportOffsetRectRelativeToArtbitraryNode(element) { + var excludeScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; + + 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); + + 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 + }; + + return getClientRect(offset); +} + +/** + * 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); +} + +/** + * 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 + */ + +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; +} + +/** + * 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; + + // NOTE: 1 DOM access here + + var boundaries = { top: 0, left: 0 }; + var offsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, getReferenceNode(reference)); + + // 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; + } + + 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; + + 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; + } + } + + // 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; + + return boundaries; +} + +function getArea(_ref) { + var width = _ref.width, + height = _ref.height; + + return width * height; +} + +/** + * 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; + } + + 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 + } + }; + + var sortedAreas = Object.keys(rects).map(function (key) { + return _extends({ + key: key + }, rects[key], { + area: getArea(rects[key]) + }); + }).sort(function (a, b) { + return b.area - a.area; + }); + + 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 variation = placement.split('-')[1]; + + return computedPlacement + (variation ? '-' + variation : ''); +} + +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; + } + } + return 0; +}(); + +function microtaskDebounce(fn) { + var called = false; + return function () { + if (called) { + return; + } + called = true; + window.Promise.resolve().then(function () { + called = false; + fn(); + }); + }; +} + +function taskDebounce(fn) { + var scheduled = false; + return function () { + if (!scheduled) { + scheduled = true; + setTimeout(function () { + scheduled = false; + fn(); + }, timeoutDuration); + } + }; +} + +var supportsMicroTasks = isBrowser && window.Promise; + +/** +* 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; + +/** + * 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]; +} + +/** + * 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); +} + +/** + * Get the position of the given element, relative to its offset parent + * @method + * @memberof Popper.Utils + * @param {Element} element + * @return {Object} position - Coordinates of the element and its `scrollTop` + */ +function getOffsetRect(element) { + var elementRect = void 0; + if (element.nodeName === 'HTML') { + var _getWindowSizes = getWindowSizes(element.ownerDocument), + width = _getWindowSizes.width, + height = _getWindowSizes.height; + + elementRect = { + width: width, + height: height, + left: 0, + top: 0 + }; + } else { + elementRect = { + width: element.offsetWidth, + height: element.offsetHeight, + left: element.offsetLeft, + top: element.offsetTop + }; + } + + // position + return getClientRect(elementRect); +} + +/** + * 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 + }; + return result; +} + +/** + * Get the opposite placement of the given one + * @method + * @memberof Popper.Utils + * @argument {String} placement + * @returns {String} flipped placement + */ +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); + + // Add position, width and height to our offsets object + var popperOffsets = { + width: popperRect.width, + height: popperRect.height + }; + + // 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; +} + +/** + * 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; + + var commonOffsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, getReferenceNode(reference)); + return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent, fixedPosition); +} + +/** + * 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); + + 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; +} + +/** + * 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]'; +} + +/** + * 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; + }); +} + +/** + * 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; + }); + + var isRequired = !!requesting && modifiers.some(function (modifier) { + return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order; + }); + + 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 + '!'); + } + return isRequired; +} + +/** + * 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); +} + +/** + * Get the window associated with the element + * @argument {Element} element + * @returns {Window} + */ +function getWindow(element) { + var ownerDocument = element.ownerDocument; + return ownerDocument ? ownerDocument.defaultView : window; +} + +/** + * 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); + + // Remove scroll event listener on scroll parents + state.scrollParents.forEach(function (target) { + target.removeEventListener('scroll', state.updateBound); + }); + + // Reset state + state.updateBound = null; + state.scrollParents = []; + state.scrollElement = null; + state.eventsEnabled = false; + return state; +} + +/** + * 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); + } + }); + + return data; +} + +/** + * 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); + } + }); +} + +/** + * 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; + }); +} + +function attachToScrollParents(scrollParent, event, callback, scrollParents) { + var isBody = scrollParent.nodeName === 'BODY'; + var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent; + target.addEventListener(event, callback, { passive: true }); + + if (!isBody) { + attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents); + } + 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; +} + +// This is here just for backward compatibility with versions lower than v1.10.3 +// you should import the utilities using named exports, if you want them all use: +// ``` +// import * as PopperUtils from 'popper-utils'; +// ``` +// The default export will be removed in the next major version. +var index = { + computeAutoPlacement: computeAutoPlacement, + debounce: debounce, + findIndex: findIndex, + getBordersSize: getBordersSize, + getBoundaries: getBoundaries, + getBoundingClientRect: getBoundingClientRect, + getClientRect: getClientRect, + getOffsetParent: getOffsetParent, + getOffsetRect: getOffsetRect, + getOffsetRectRelativeToArbitraryNode: getOffsetRectRelativeToArbitraryNode, + getOuterSizes: getOuterSizes, + getParentNode: getParentNode, + getPopperOffsets: getPopperOffsets, + getReferenceOffsets: getReferenceOffsets, + getScroll: getScroll, + getScrollParent: getScrollParent, + getStyleComputedProperty: getStyleComputedProperty, + getSupportedPropertyName: getSupportedPropertyName, + getWindowSizes: getWindowSizes, + isFixed: isFixed, + isFunction: isFunction, + isModifierEnabled: isModifierEnabled, + isModifierRequired: isModifierRequired, + isNumeric: isNumeric, + removeEventListeners: removeEventListeners, + runModifiers: runModifiers, + setAttributes: setAttributes, + setStyles: setStyles, + setupEventListeners: setupEventListeners +}; + +exports.computeAutoPlacement = computeAutoPlacement; +exports.debounce = debounce; +exports.findIndex = findIndex; +exports.getBordersSize = getBordersSize; +exports.getBoundaries = getBoundaries; +exports.getBoundingClientRect = getBoundingClientRect; +exports.getClientRect = getClientRect; +exports.getOffsetParent = getOffsetParent; +exports.getOffsetRect = getOffsetRect; +exports.getOffsetRectRelativeToArbitraryNode = getOffsetRectRelativeToArbitraryNode; +exports.getOuterSizes = getOuterSizes; +exports.getParentNode = getParentNode; +exports.getPopperOffsets = getPopperOffsets; +exports.getReferenceOffsets = getReferenceOffsets; +exports.getScroll = getScroll; +exports.getScrollParent = getScrollParent; +exports.getStyleComputedProperty = getStyleComputedProperty; +exports.getSupportedPropertyName = getSupportedPropertyName; +exports.getWindowSizes = getWindowSizes; +exports.isFixed = isFixed; +exports.isFunction = isFunction; +exports.isModifierEnabled = isModifierEnabled; +exports.isModifierRequired = isModifierRequired; +exports.isNumeric = isNumeric; +exports.removeEventListeners = removeEventListeners; +exports.runModifiers = runModifiers; +exports.setAttributes = setAttributes; +exports.setStyles = setStyles; +exports.setupEventListeners = setupEventListeners; +exports['default'] = index; + +Object.defineProperty(exports, '__esModule', { value: true }); + +}))); +//# sourceMappingURL=popper-utils.js.map |