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Diffstat (limited to 'web-tools/web/_static/popperjs/popper-base.js')
| -rw-r--r-- | web-tools/web/_static/popperjs/popper-base.js | 1030 |
1 files changed, 1030 insertions, 0 deletions
diff --git a/web-tools/web/_static/popperjs/popper-base.js b/web-tools/web/_static/popperjs/popper-base.js new file mode 100644 index 0000000..18cd1d7 --- /dev/null +++ b/web-tools/web/_static/popperjs/popper-base.js @@ -0,0 +1,1030 @@ +/** + * @popperjs/core v2.5.4 - MIT License + */ + +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (global = global || self, factory(global.Popper = {})); +}(this, (function (exports) { 'use strict'; + + 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 + }; + } + + /*:: 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 node; + } + + function getWindowScroll(node) { + var win = getWindow(node); + var scrollLeft = win.pageXOffset; + var scrollTop = win.pageYOffset; + return { + scrollLeft: scrollLeft, + scrollTop: scrollTop + }; + } + + /*:: declare function isElement(node: mixed): boolean %checks(node instanceof + Element); */ + + function isElement(node) { + var OwnElement = getWindow(node).Element; + return node instanceof OwnElement || node instanceof Element; + } + /*:: declare function isHTMLElement(node: mixed): boolean %checks(node instanceof + HTMLElement); */ + + + 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); */ + + + function isShadowRoot(node) { + var OwnElement = getWindow(node).ShadowRoot; + return node instanceof OwnElement || node instanceof ShadowRoot; + } + + function getHTMLElementScroll(element) { + return { + scrollLeft: element.scrollLeft, + scrollTop: element.scrollTop + }; + } + + function getNodeScroll(node) { + if (node === getWindow(node) || !isHTMLElement(node)) { + return getWindowScroll(node); + } else { + return getHTMLElementScroll(node); + } + } + + function getNodeName(element) { + return element ? (element.nodeName || '').toLowerCase() : null; + } + + function getDocumentElement(element) { + // $FlowFixMe: assume body is always available + return ((isElement(element) ? element.ownerDocument : element.document) || window.document).documentElement; + } + + function getWindowScrollBarX(element) { + // If <html> has a CSS width greater than the viewport, then this will be + // incorrect for RTL. + // Popper 1 is broken in this case and never had a bug report so let's assume + // it's not an issue. I don't think anyone ever specifies width on <html> + // anyway. + // Browsers where the left scrollbar doesn't cause an issue report `0` for + // this (e.g. Edge 2019, IE11, Safari) + return getBoundingClientRect(getDocumentElement(element)).left + getWindowScroll(element).scrollLeft; + } + + function getComputedStyle(element) { + return getWindow(element).getComputedStyle(element); + } + + function isScrollParent(element) { + // Firefox wants us to check `-x` and `-y` variations as well + var _getComputedStyle = getComputedStyle(element), + overflow = _getComputedStyle.overflow, + overflowX = _getComputedStyle.overflowX, + overflowY = _getComputedStyle.overflowY; + + return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX); + } + + // Composite means it takes into account transforms as well as layout. + + function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) { + if (isFixed === void 0) { + isFixed = false; + } + + 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 (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) { + if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078 + isScrollParent(documentElement)) { + scroll = getNodeScroll(offsetParent); + } + + if (isHTMLElement(offsetParent)) { + offsets = getBoundingClientRect(offsetParent); + offsets.x += offsetParent.clientLeft; + offsets.y += offsetParent.clientTop; + } else if (documentElement) { + offsets.x = getWindowScrollBarX(documentElement); + } + } + + return { + x: rect.left + scroll.scrollLeft - offsets.x, + y: rect.top + scroll.scrollTop - offsets.y, + width: rect.width, + height: rect.height + }; + } + + // 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 + }; + } + + function getParentNode(element) { + if (getNodeName(element) === 'html') { + return element; + } + + 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 + + ); + } + + function getScrollParent(node) { + if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) { + // $FlowFixMe: assume body is always available + return node.ownerDocument.body; + } + + if (isHTMLElement(node) && isScrollParent(node)) { + return node; + } + + return getScrollParent(getParentNode(node)); + } + + /* + given a DOM element, return the list of all scroll parents, up the list of ancesors + until we get to the top window object. This list is what we attach scroll listeners + to, because if any of these parent elements scroll, we'll need to re-calculate the + reference element's position. + */ + + function listScrollParents(element, list) { + if (list === void 0) { + list = []; + } + + 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))); + } + + function isTableElement(element) { + return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0; + } + + function getTrueOffsetParent(element) { + if (!isHTMLElement(element) || // https://github.com/popperjs/popper-core/issues/837 + getComputedStyle(element).position === 'fixed') { + return null; + } + + var offsetParent = element.offsetParent; + + if (offsetParent) { + var html = getDocumentElement(offsetParent); + + if (getNodeName(offsetParent) === 'body' && getComputedStyle(offsetParent).position === 'static' && getComputedStyle(html).position !== 'static') { + return html; + } + } + + 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(currentNode); // This is non-exhaustive but covers the most common CSS properties that + // create a containing block. + + if (css.transform !== 'none' || css.perspective !== 'none' || css.willChange && css.willChange !== 'auto') { + return currentNode; + } else { + currentNode = currentNode.parentNode; + } + } + + return null; + } // Gets the closest ancestor positioned element. Handles some edge cases, + // such as table ancestors and cross browser bugs. + + + function getOffsetParent(element) { + var window = getWindow(element); + var offsetParent = getTrueOffsetParent(element); + + while (offsetParent && isTableElement(offsetParent) && getComputedStyle(offsetParent).position === 'static') { + offsetParent = getTrueOffsetParent(offsetParent); + } + + if (offsetParent && getNodeName(offsetParent) === 'body' && getComputedStyle(offsetParent).position === 'static') { + return window; + } + + return offsetParent || getContainingBlock(element) || window; + } + + var top = 'top'; + var bottom = 'bottom'; + var right = 'right'; + var left = 'left'; + var auto = 'auto'; + var basePlacements = [top, bottom, right, left]; + var start = 'start'; + var end = 'end'; + var clippingParents = 'clippingParents'; + var viewport = 'viewport'; + var popper = 'popper'; + var reference = 'reference'; + + var beforeRead = 'beforeRead'; + var read = 'read'; + var afterRead = 'afterRead'; // pure-logic modifiers + + var beforeMain = 'beforeMain'; + var main = 'main'; + var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state) + + var beforeWrite = 'beforeWrite'; + var write = 'write'; + var afterWrite = 'afterWrite'; + var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite]; + + function order(modifiers) { + var map = new Map(); + var visited = new Set(); + var result = []; + modifiers.forEach(function (modifier) { + map.set(modifier.name, modifier); + }); // On visiting object, check for its dependencies and visit them recursively + + function sort(modifier) { + visited.add(modifier.name); + var requires = [].concat(modifier.requires || [], modifier.requiresIfExists || []); + requires.forEach(function (dep) { + if (!visited.has(dep)) { + var depModifier = map.get(dep); + + if (depModifier) { + sort(depModifier); + } + } + }); + result.push(modifier); + } + + modifiers.forEach(function (modifier) { + if (!visited.has(modifier.name)) { + // check for visited object + sort(modifier); + } + }); + return result; + } + + function orderModifiers(modifiers) { + // order based on dependencies + var orderedModifiers = order(modifiers); // order based on phase + + return modifierPhases.reduce(function (acc, phase) { + return acc.concat(orderedModifiers.filter(function (modifier) { + return modifier.phase === phase; + })); + }, []); + } + + function debounce(fn) { + var pending; + return function () { + if (!pending) { + pending = new Promise(function (resolve) { + Promise.resolve().then(function () { + pending = undefined; + resolve(fn()); + }); + }); + } + + return pending; + }; + } + + function format(str) { + for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + args[_key - 1] = arguments[_key]; + } + + return [].concat(args).reduce(function (p, c) { + return p.replace(/%s/, c); + }, str); + } + + var INVALID_MODIFIER_ERROR = 'Popper: modifier "%s" provided an invalid %s property, expected %s but got %s'; + var MISSING_DEPENDENCY_ERROR = 'Popper: modifier "%s" requires "%s", but "%s" modifier is not available'; + var VALID_PROPERTIES = ['name', 'enabled', 'phase', 'fn', 'effect', 'requires', 'options']; + function validateModifiers(modifiers) { + modifiers.forEach(function (modifier) { + Object.keys(modifier).forEach(function (key) { + switch (key) { + case 'name': + if (typeof modifier.name !== 'string') { + console.error(format(INVALID_MODIFIER_ERROR, String(modifier.name), '"name"', '"string"', "\"" + String(modifier.name) + "\"")); + } + + break; + + case 'enabled': + if (typeof modifier.enabled !== 'boolean') { + console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"enabled"', '"boolean"', "\"" + String(modifier.enabled) + "\"")); + } + + case 'phase': + if (modifierPhases.indexOf(modifier.phase) < 0) { + console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"phase"', "either " + modifierPhases.join(', '), "\"" + String(modifier.phase) + "\"")); + } + + break; + + case 'fn': + if (typeof modifier.fn !== 'function') { + console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"fn"', '"function"', "\"" + String(modifier.fn) + "\"")); + } + + break; + + case 'effect': + if (typeof modifier.effect !== 'function') { + console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"effect"', '"function"', "\"" + String(modifier.fn) + "\"")); + } + + break; + + case 'requires': + if (!Array.isArray(modifier.requires)) { + console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"requires"', '"array"', "\"" + String(modifier.requires) + "\"")); + } + + break; + + case 'requiresIfExists': + if (!Array.isArray(modifier.requiresIfExists)) { + console.error(format(INVALID_MODIFIER_ERROR, modifier.name, '"requiresIfExists"', '"array"', "\"" + String(modifier.requiresIfExists) + "\"")); + } + + break; + + case 'options': + case 'data': + break; + + default: + console.error("PopperJS: an invalid property has been provided to the \"" + modifier.name + "\" modifier, valid properties are " + VALID_PROPERTIES.map(function (s) { + return "\"" + s + "\""; + }).join(', ') + "; but \"" + key + "\" was provided."); + } + + modifier.requires && modifier.requires.forEach(function (requirement) { + if (modifiers.find(function (mod) { + return mod.name === requirement; + }) == null) { + console.error(format(MISSING_DEPENDENCY_ERROR, String(modifier.name), requirement, requirement)); + } + }); + }); + }); + } + + function uniqueBy(arr, fn) { + var identifiers = new Set(); + return arr.filter(function (item) { + var identifier = fn(item); + + if (!identifiers.has(identifier)) { + identifiers.add(identifier); + return true; + } + }); + } + + function getBasePlacement(placement) { + return placement.split('-')[0]; + } + + function mergeByName(modifiers) { + var merged = modifiers.reduce(function (merged, current) { + var existing = merged[current.name]; + merged[current.name] = existing ? Object.assign(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]; + }); + } + + function getViewportRect(element) { + var win = getWindow(element); + var html = getDocumentElement(element); + var visualViewport = win.visualViewport; + var width = html.clientWidth; + var height = html.clientHeight; + var x = 0; + var y = 0; // NB: This isn't supported on iOS <= 12. If the keyboard is open, the popper + // can be obscured underneath it. + // Also, `html.clientHeight` adds the bottom bar height in Safari iOS, even + // if it isn't open, so if this isn't available, the popper will be detected + // to overflow the bottom of the screen too early. + + if (visualViewport) { + width = visualViewport.width; + height = visualViewport.height; // Uses Layout Viewport (like Chrome; Safari does not currently) + // In Chrome, it returns a value very close to 0 (+/-) but contains rounding + // errors due to floating point numbers, so we need to check precision. + // Safari returns a number <= 0, usually < -1 when pinch-zoomed + // Feature detection fails in mobile emulation mode in Chrome. + // Math.abs(win.innerWidth / visualViewport.scale - visualViewport.width) < + // 0.001 + // Fallback here: "Not Safari" userAgent + + if (!/^((?!chrome|android).)*safari/i.test(navigator.userAgent)) { + x = visualViewport.offsetLeft; + y = visualViewport.offsetTop; + } + } + + return { + width: width, + height: height, + x: x + getWindowScrollBarX(element), + y: y + }; + } + + // of the `<html>` and `<body>` rect bounds if horizontally scrollable + + 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; + + if (getComputedStyle(body || html).direction === 'rtl') { + x += Math.max(html.clientWidth, body ? body.clientWidth : 0) - width; + } + + return { + width: width, + height: height, + x: x, + y: y + }; + } + + function contains(parent, child) { + var rootNode = child.getRootNode && child.getRootNode(); // First, attempt with faster native method + + if (parent.contains(child)) { + return true; + } // then fallback to custom implementation with Shadow DOM support + else if (rootNode && isShadowRoot(rootNode)) { + var next = child; + + do { + if (next && parent.isSameNode(next)) { + return true; + } // $FlowFixMe: need a better way to handle this... + + + next = next.parentNode || next.host; + } while (next); + } // Give up, the result is false + + + return false; + } + + function rectToClientRect(rect) { + return Object.assign(Object.assign({}, rect), {}, { + left: rect.x, + top: rect.y, + right: rect.x + rect.width, + bottom: rect.y + rect.height + }); + } + + function getInnerBoundingClientRect(element) { + var rect = getBoundingClientRect(element); + rect.top = rect.top + element.clientTop; + rect.left = rect.left + element.clientLeft; + rect.bottom = rect.top + element.clientHeight; + rect.right = rect.left + element.clientWidth; + rect.width = element.clientWidth; + rect.height = element.clientHeight; + rect.x = rect.left; + rect.y = rect.top; + return rect; + } + + function getClientRectFromMixedType(element, clippingParent) { + return clippingParent === viewport ? rectToClientRect(getViewportRect(element)) : isHTMLElement(clippingParent) ? getInnerBoundingClientRect(clippingParent) : rectToClientRect(getDocumentRect(getDocumentElement(element))); + } // A "clipping parent" is an overflowable container with the characteristic of + // clipping (or hiding) overflowing elements with a position different from + // `initial` + + + function getClippingParents(element) { + var clippingParents = listScrollParents(getParentNode(element)); + var canEscapeClipping = ['absolute', 'fixed'].indexOf(getComputedStyle(element).position) >= 0; + var clipperElement = canEscapeClipping && isHTMLElement(element) ? getOffsetParent(element) : element; + + if (!isElement(clipperElement)) { + return []; + } // $FlowFixMe: https://github.com/facebook/flow/issues/1414 + + + return clippingParents.filter(function (clippingParent) { + return isElement(clippingParent) && contains(clippingParent, clipperElement) && getNodeName(clippingParent) !== 'body'; + }); + } // Gets the maximum area that the element is visible in due to any number of + // clipping parents + + + function getClippingRect(element, boundary, rootBoundary) { + var mainClippingParents = boundary === 'clippingParents' ? getClippingParents(element) : [].concat(boundary); + var clippingParents = [].concat(mainClippingParents, [rootBoundary]); + var firstClippingParent = clippingParents[0]; + var clippingRect = clippingParents.reduce(function (accRect, clippingParent) { + var rect = getClientRectFromMixedType(element, clippingParent); + accRect.top = 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 getVariation(placement) { + return placement.split('-')[1]; + } + + function getMainAxisFromPlacement(placement) { + return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y'; + } + + function computeOffsets(_ref) { + var reference = _ref.reference, + element = _ref.element, + placement = _ref.placement; + var basePlacement = placement ? getBasePlacement(placement) : null; + var variation = placement ? getVariation(placement) : null; + var commonX = reference.x + reference.width / 2 - element.width / 2; + var commonY = reference.y + reference.height / 2 - element.height / 2; + var offsets; + + switch (basePlacement) { + case top: + offsets = { + x: commonX, + y: reference.y - element.height + }; + break; + + case bottom: + offsets = { + x: commonX, + y: reference.y + reference.height + }; + break; + + case right: + offsets = { + x: reference.x + reference.width, + y: commonY + }; + break; + + case left: + offsets = { + x: reference.x - element.width, + y: commonY + }; + break; + + default: + offsets = { + x: reference.x, + y: reference.y + }; + } + + var mainAxis = basePlacement ? getMainAxisFromPlacement(basePlacement) : null; + + if (mainAxis != null) { + var len = mainAxis === 'y' ? 'height' : 'width'; + + switch (variation) { + case start: + offsets[mainAxis] = Math.floor(offsets[mainAxis]) - Math.floor(reference[len] / 2 - element[len] / 2); + break; + + case end: + offsets[mainAxis] = Math.floor(offsets[mainAxis]) + Math.ceil(reference[len] / 2 - element[len] / 2); + break; + } + } + + return offsets; + } + + function getFreshSideObject() { + return { + top: 0, + right: 0, + bottom: 0, + left: 0 + }; + } + + function mergePaddingObject(paddingObject) { + return Object.assign(Object.assign({}, getFreshSideObject()), paddingObject); + } + + function expandToHashMap(value, keys) { + return keys.reduce(function (hashMap, key) { + hashMap[key] = value; + return hashMap; + }, {}); + } + + function detectOverflow(state, options) { + if (options === void 0) { + options = {}; + } + + var _options = options, + _options$placement = _options.placement, + placement = _options$placement === void 0 ? state.placement : _options$placement, + _options$boundary = _options.boundary, + boundary = _options$boundary === void 0 ? clippingParents : _options$boundary, + _options$rootBoundary = _options.rootBoundary, + rootBoundary = _options$rootBoundary === void 0 ? viewport : _options$rootBoundary, + _options$elementConte = _options.elementContext, + elementContext = _options$elementConte === void 0 ? popper : _options$elementConte, + _options$altBoundary = _options.altBoundary, + altBoundary = _options$altBoundary === void 0 ? false : _options$altBoundary, + _options$padding = _options.padding, + padding = _options$padding === void 0 ? 0 : _options$padding; + var paddingObject = mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements)); + var altContext = elementContext === popper ? reference : popper; + var referenceElement = state.elements.reference; + var popperRect = state.rects.popper; + var element = state.elements[altBoundary ? altContext : elementContext]; + var clippingClientRect = getClippingRect(isElement(element) ? element : element.contextElement || getDocumentElement(state.elements.popper), boundary, rootBoundary); + var referenceClientRect = getBoundingClientRect(referenceElement); + var popperOffsets = computeOffsets({ + reference: referenceClientRect, + element: popperRect, + strategy: 'absolute', + placement: placement + }); + 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 overflowOffsets; + } + + var INVALID_ELEMENT_ERROR = 'Popper: Invalid reference or popper argument provided. They must be either a DOM element or virtual element.'; + var INFINITE_LOOP_ERROR = 'Popper: An infinite loop in the modifiers cycle has been detected! The cycle has been interrupted to prevent a browser crash.'; + var DEFAULT_OPTIONS = { + placement: 'bottom', + modifiers: [], + strategy: 'absolute' + }; + + function areValidElements() { + for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + return !args.some(function (element) { + return !(element && typeof element.getBoundingClientRect === 'function'); + }); + } + + function popperGenerator(generatorOptions) { + if (generatorOptions === void 0) { + generatorOptions = {}; + } + + var _generatorOptions = generatorOptions, + _generatorOptions$def = _generatorOptions.defaultModifiers, + defaultModifiers = _generatorOptions$def === void 0 ? [] : _generatorOptions$def, + _generatorOptions$def2 = _generatorOptions.defaultOptions, + defaultOptions = _generatorOptions$def2 === void 0 ? DEFAULT_OPTIONS : _generatorOptions$def2; + return function createPopper(reference, popper, options) { + if (options === void 0) { + options = defaultOptions; + } + + var state = { + placement: 'bottom', + orderedModifiers: [], + options: Object.assign(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(reference) ? listScrollParents(reference) : reference.contextElement ? listScrollParents(reference.contextElement) : [], + popper: listScrollParents(popper) + }; // Orders the modifiers based on their dependencies and `phase` + // properties + + var orderedModifiers = orderModifiers(mergeByName([].concat(defaultModifiers, state.options.modifiers))); // Strip out disabled modifiers + + state.orderedModifiers = orderedModifiers.filter(function (m) { + return m.enabled; + }); // Validate the provided modifiers so that the consumer will get warned + // if one of the modifiers is invalid for any reason + + { + var modifiers = uniqueBy([].concat(orderedModifiers, state.options.modifiers), function (_ref) { + var name = _ref.name; + return name; + }); + validateModifiers(modifiers); + + if (getBasePlacement(state.options.placement) === auto) { + var flipModifier = state.orderedModifiers.find(function (_ref2) { + var name = _ref2.name; + return name === 'flip'; + }); + + if (!flipModifier) { + console.error(['Popper: "auto" placements require the "flip" modifier be', 'present and enabled to work.'].join(' ')); + } + } + + var _getComputedStyle = getComputedStyle(popper), + marginTop = _getComputedStyle.marginTop, + marginRight = _getComputedStyle.marginRight, + marginBottom = _getComputedStyle.marginBottom, + marginLeft = _getComputedStyle.marginLeft; // We no longer take into account `margins` on the popper, and it can + // cause bugs with positioning, so we'll warn the consumer + + + if ([marginTop, marginRight, marginBottom, marginLeft].some(function (margin) { + return parseFloat(margin); + })) { + console.warn(['Popper: CSS "margin" styles cannot be used to apply padding', 'between the popper and its reference element or boundary.', 'To replicate margin, use the `offset` modifier, as well as', 'the `padding` option in the `preventOverflow` and `flip`', 'modifiers.'].join(' ')); + } + } + + runModifierEffects(); + return instance.update(); + }, + // Sync update – it will always be executed, even if not necessary. This + // is useful for low frequency updates where sync behavior simplifies the + // logic. + // For high frequency updates (e.g. `resize` and `scroll` events), always + // prefer the async Popper#update method + forceUpdate: function forceUpdate() { + if (isDestroyed) { + return; + } + + var _state$elements = state.elements, + reference = _state$elements.reference, + popper = _state$elements.popper; // Don't proceed if `reference` or `popper` are not valid elements + // anymore + + if (!areValidElements(reference, popper)) { + { + console.error(INVALID_ELEMENT_ERROR); + } + + return; + } // Store the reference and popper rects to be read by modifiers + + + state.rects = { + reference: getCompositeRect(reference, getOffsetParent(popper), state.options.strategy === 'fixed'), + popper: getLayoutRect(popper) + }; // Modifiers have the ability to reset the current update cycle. The + // most common use case for this is the `flip` modifier changing the + // placement, which then needs to re-run all the modifiers, because the + // logic was previously ran for the previous placement and is therefore + // stale/incorrect + + state.reset = false; + state.placement = state.options.placement; // On each update cycle, the `modifiersData` property for each modifier + // is filled with the initial data specified by the modifier. This means + // it doesn't persist and is fresh on each update. + // To ensure persistent data, use `${name}#persistent` + + state.orderedModifiers.forEach(function (modifier) { + return state.modifiersData[modifier.name] = Object.assign({}, modifier.data); + }); + var __debug_loops__ = 0; + + for (var index = 0; index < state.orderedModifiers.length; index++) { + { + __debug_loops__ += 1; + + if (__debug_loops__ > 100) { + console.error(INFINITE_LOOP_ERROR); + break; + } + } + + if (state.reset === true) { + state.reset = false; + index = -1; + continue; + } + + var _state$orderedModifie = state.orderedModifiers[index], + fn = _state$orderedModifie.fn, + _state$orderedModifie2 = _state$orderedModifie.options, + _options = _state$orderedModifie2 === void 0 ? {} : _state$orderedModifie2, + name = _state$orderedModifie.name; + + if (typeof fn === 'function') { + state = fn({ + state: state, + options: _options, + name: name, + instance: instance + }) || state; + } + } + }, + // Async and optimistically optimized update – it will not be executed if + // not necessary (debounced to run at most once-per-tick) + update: debounce(function () { + return new Promise(function (resolve) { + instance.forceUpdate(); + resolve(state); + }); + }), + destroy: function destroy() { + cleanupModifierEffects(); + isDestroyed = true; + } + }; + + if (!areValidElements(reference, popper)) { + { + console.error(INVALID_ELEMENT_ERROR); + } + + return instance; + } + + instance.setOptions(options).then(function (state) { + if (!isDestroyed && options.onFirstUpdate) { + options.onFirstUpdate(state); + } + }); // Modifiers have the ability to execute arbitrary code before the first + // update cycle runs. They will be executed in the same order as the update + // cycle. This is useful when a modifier adds some persistent data that + // other modifiers need to use, but the modifier is run after the dependent + // one. + + function runModifierEffects() { + state.orderedModifiers.forEach(function (_ref3) { + var name = _ref3.name, + _ref3$options = _ref3.options, + options = _ref3$options === void 0 ? {} : _ref3$options, + effect = _ref3.effect; + + if (typeof effect === 'function') { + var cleanupFn = effect({ + state: state, + name: name, + instance: instance, + options: options + }); + + var noopFn = function noopFn() {}; + + effectCleanupFns.push(cleanupFn || noopFn); + } + }); + } + + function cleanupModifierEffects() { + effectCleanupFns.forEach(function (fn) { + return fn(); + }); + effectCleanupFns = []; + } + + return instance; + }; + } + var createPopper = /*#__PURE__*/popperGenerator(); // eslint-disable-next-line import/no-unused-modules + + exports.createPopper = createPopper; + exports.detectOverflow = detectOverflow; + exports.popperGenerator = popperGenerator; + + Object.defineProperty(exports, '__esModule', { value: true }); + +}))); +//# sourceMappingURL=popper-base.js.map |