-
Notifications
You must be signed in to change notification settings - Fork 9.4k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
report: add details-element polyfil for Edge
- Loading branch information
Showing
4 changed files
with
309 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
297 changes: 297 additions & 0 deletions
297
lighthouse-core/report/html/third_party/details-element-polyfill.js
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,297 @@ | ||
| /* | ||
| Details Element Polyfill 2.0.4 | ||
| Copyright © 2018 Javan Makhmali | ||
| */ | ||
|
|
||
| (function() { | ||
|
|
||
|
|
||
| }).call(this); | ||
| (function() { | ||
| var addAttributesForSummary, eventIsSignificant, findClosestElementWithTagName, findElementsWithTagName, onTogglingTrigger, polyfillFocusAndARIA, polyfillProperties, polyfillStyles, polyfillToggle, polyfillToggleEvent, support, triggerToggle, triggerToggleIfToggled; | ||
|
|
||
| support = { | ||
| element: (function() { | ||
| var closedHeight, element, openedHeight, parent, ref; | ||
| element = document.createElement("details"); | ||
| if (!("open" in element)) { | ||
| return false; | ||
| } | ||
| element.innerHTML = "<summary>a</summary>b"; | ||
| element.setAttribute("style", "position: absolute; left: -9999px"); | ||
| parent = (ref = document.body) != null ? ref : document.documentElement; | ||
| parent.appendChild(element); | ||
| closedHeight = element.offsetHeight; | ||
| element.open = true; | ||
| openedHeight = element.offsetHeight; | ||
| parent.removeChild(element); | ||
| return closedHeight !== openedHeight; | ||
| })(), | ||
| toggleEvent: (function() { | ||
| var element; | ||
| element = document.createElement("details"); | ||
| return "ontoggle" in element; | ||
| })() | ||
| }; | ||
|
|
||
| if (support.element && support.toggleEvent) { | ||
| return; | ||
| } | ||
|
|
||
| polyfillStyles = function() { | ||
| return document.head.insertAdjacentHTML("afterbegin", "<style>@charset\"UTF-8\";details:not([open])>*:not(summary){display:none;}details>summary{display:block;}details>summary::before{content:\"►\";padding-right:0.3rem;font-size:0.6rem;cursor:default;}details[open]>summary::before{content:\"▼\";}</style>"); | ||
| }; | ||
|
|
||
| polyfillProperties = function() { | ||
| var open, prototype, removeAttribute, setAttribute; | ||
| prototype = document.createElement("details").constructor.prototype; | ||
| setAttribute = prototype.setAttribute, removeAttribute = prototype.removeAttribute; | ||
| open = Object.getOwnPropertyDescriptor(prototype, "open"); | ||
| return Object.defineProperties(prototype, { | ||
| open: { | ||
| get: function() { | ||
| var ref; | ||
| if (this.tagName === "DETAILS") { | ||
| return this.hasAttribute("open"); | ||
| } else { | ||
| return open != null ? (ref = open.get) != null ? ref.call(this) : void 0 : void 0; | ||
| } | ||
| }, | ||
| set: function(value) { | ||
| var ref; | ||
| if (this.tagName === "DETAILS") { | ||
| if (value) { | ||
| this.setAttribute("open", ""); | ||
| } else { | ||
| this.removeAttribute("open"); | ||
| } | ||
| return value; | ||
| } else { | ||
| return open != null ? (ref = open.set) != null ? ref.call(this, value) : void 0 : void 0; | ||
| } | ||
| } | ||
| }, | ||
| setAttribute: { | ||
| value: function(name, value) { | ||
| return triggerToggleIfToggled(this, (function(_this) { | ||
| return function() { | ||
| return setAttribute.call(_this, name, value); | ||
| }; | ||
| })(this)); | ||
| } | ||
| }, | ||
| removeAttribute: { | ||
| value: function(name) { | ||
| return triggerToggleIfToggled(this, (function(_this) { | ||
| return function() { | ||
| return removeAttribute.call(_this, name); | ||
| }; | ||
| })(this)); | ||
| } | ||
| } | ||
| }); | ||
| }; | ||
|
|
||
| polyfillToggle = function() { | ||
| return onTogglingTrigger(function(element) { | ||
| var summary; | ||
| summary = element.querySelector("summary"); | ||
| if (element.hasAttribute("open")) { | ||
| element.removeAttribute("open"); | ||
| return summary.setAttribute("aria-expanded", false); | ||
| } else { | ||
| element.setAttribute("open", ""); | ||
| return summary.setAttribute("aria-expanded", true); | ||
| } | ||
| }); | ||
| }; | ||
|
|
||
| polyfillFocusAndARIA = function() { | ||
| var i, len, observer, ref, summary; | ||
| ref = findElementsWithTagName(document.documentElement, "SUMMARY"); | ||
| for (i = 0, len = ref.length; i < len; i++) { | ||
| summary = ref[i]; | ||
| addAttributesForSummary(summary); | ||
| } | ||
| if (typeof MutationObserver !== "undefined" && MutationObserver !== null) { | ||
| observer = new MutationObserver(function(mutations) { | ||
| var addedNodes, j, len1, results, target; | ||
| results = []; | ||
| for (j = 0, len1 = mutations.length; j < len1; j++) { | ||
| addedNodes = mutations[j].addedNodes; | ||
| results.push((function() { | ||
| var k, len2, results1; | ||
| results1 = []; | ||
| for (k = 0, len2 = addedNodes.length; k < len2; k++) { | ||
| target = addedNodes[k]; | ||
| results1.push((function() { | ||
| var l, len3, ref1, results2; | ||
| ref1 = findElementsWithTagName(target, "SUMMARY"); | ||
| results2 = []; | ||
| for (l = 0, len3 = ref1.length; l < len3; l++) { | ||
| summary = ref1[l]; | ||
| results2.push(addAttributesForSummary(summary)); | ||
| } | ||
| return results2; | ||
| })()); | ||
| } | ||
| return results1; | ||
| })()); | ||
| } | ||
| return results; | ||
| }); | ||
| return observer.observe(document.documentElement, { | ||
| subtree: true, | ||
| childList: true | ||
| }); | ||
| } else { | ||
| return document.addEventListener("DOMNodeInserted", function(event) { | ||
| var j, len1, ref1, results; | ||
| ref1 = findElementsWithTagName(event.target, "SUMMARY"); | ||
| results = []; | ||
| for (j = 0, len1 = ref1.length; j < len1; j++) { | ||
| summary = ref1[j]; | ||
| results.push(addAttributesForSummary(summary)); | ||
| } | ||
| return results; | ||
| }); | ||
| } | ||
| }; | ||
|
|
||
| addAttributesForSummary = function(summary, details) { | ||
| if (details == null) { | ||
| details = findClosestElementWithTagName(summary, "DETAILS"); | ||
| } | ||
| summary.setAttribute("aria-expanded", details.hasAttribute("open")); | ||
| if (!summary.hasAttribute("tabindex")) { | ||
| summary.setAttribute("tabindex", "0"); | ||
| } | ||
| if (!summary.hasAttribute("role")) { | ||
| return summary.setAttribute("role", "button"); | ||
| } | ||
| }; | ||
|
|
||
| polyfillToggleEvent = function() { | ||
| var observer; | ||
| if (typeof MutationObserver !== "undefined" && MutationObserver !== null) { | ||
| observer = new MutationObserver(function(mutations) { | ||
| var attributeName, i, len, ref, results, target; | ||
| results = []; | ||
| for (i = 0, len = mutations.length; i < len; i++) { | ||
| ref = mutations[i], target = ref.target, attributeName = ref.attributeName; | ||
| if (target.tagName === "DETAILS" && attributeName === "open") { | ||
| results.push(triggerToggle(target)); | ||
| } else { | ||
| results.push(void 0); | ||
| } | ||
| } | ||
| return results; | ||
| }); | ||
| return observer.observe(document.documentElement, { | ||
| attributes: true, | ||
| subtree: true | ||
| }); | ||
| } else { | ||
| return onTogglingTrigger(function(element) { | ||
| var open; | ||
| open = element.getAttribute("open"); | ||
| return setTimeout(function() { | ||
| if (element.getAttribute("open") !== open) { | ||
| return triggerToggle(element); | ||
| } | ||
| }, 1); | ||
| }); | ||
| } | ||
| }; | ||
|
|
||
| eventIsSignificant = function(event) { | ||
| return !(event.defaultPrevented || event.ctrlKey || event.metaKey || event.shiftKey || event.target.isContentEditable); | ||
| }; | ||
|
|
||
| onTogglingTrigger = function(callback) { | ||
| addEventListener("click", function(event) { | ||
| var element, ref; | ||
| if (eventIsSignificant(event) && event.which <= 1) { | ||
| if (element = findClosestElementWithTagName(event.target, "SUMMARY")) { | ||
| if (((ref = element.parentElement) != null ? ref.tagName : void 0) === "DETAILS") { | ||
| return callback(element.parentElement); | ||
| } | ||
| } | ||
| } | ||
| }, false); | ||
| return addEventListener("keydown", function(event) { | ||
| var element, ref, ref1; | ||
| if (eventIsSignificant(event) && ((ref = event.keyCode) === 13 || ref === 32)) { | ||
| if (element = findClosestElementWithTagName(event.target, "SUMMARY")) { | ||
| if (((ref1 = element.parentElement) != null ? ref1.tagName : void 0) === "DETAILS") { | ||
| callback(element.parentElement); | ||
| return event.preventDefault(); | ||
| } | ||
| } | ||
| } | ||
| }, false); | ||
| }; | ||
|
|
||
| findElementsWithTagName = function(root, tagName) { | ||
| var elements; | ||
| elements = []; | ||
| if (root.nodeType === Node.ELEMENT_NODE) { | ||
| if (root.tagName === tagName) { | ||
| elements.push(root); | ||
| } | ||
| elements.push.apply(elements, root.getElementsByTagName(tagName)); | ||
| } | ||
| return elements; | ||
| }; | ||
|
|
||
| findClosestElementWithTagName = (function() { | ||
| if (typeof Element.prototype.closest === "function") { | ||
| return function(element, tagName) { | ||
| return element.closest(tagName); | ||
| }; | ||
| } else { | ||
| return function(element, tagName) { | ||
| while (element) { | ||
| if (element.tagName === tagName) { | ||
| return element; | ||
| } else { | ||
| element = element.parentNode; | ||
| } | ||
| } | ||
| }; | ||
| } | ||
| })(); | ||
|
|
||
| triggerToggle = function(element) { | ||
| var event; | ||
| event = document.createEvent("Events"); | ||
| event.initEvent("toggle", true, false); | ||
| return element.dispatchEvent(event); | ||
| }; | ||
|
|
||
| triggerToggleIfToggled = function(element, fn) { | ||
| var open, result; | ||
| open = element.getAttribute("open"); | ||
| result = fn(); | ||
| if (element.getAttribute("open") !== open) { | ||
| triggerToggle(element); | ||
| } | ||
| return result; | ||
| }; | ||
|
|
||
| if (!support.element) { | ||
| polyfillStyles(); | ||
| polyfillProperties(); | ||
| polyfillToggle(); | ||
| polyfillFocusAndARIA(); | ||
| } | ||
|
|
||
| if (support.element && !support.toggleEvent) { | ||
| polyfillToggleEvent(); | ||
| } | ||
|
|
||
| }).call(this); | ||
| (function() { | ||
|
|
||
|
|
||
| }).call(this); |