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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /helpcontent2/help3xsl/polyfills.js | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'helpcontent2/help3xsl/polyfills.js')
-rw-r--r-- | helpcontent2/help3xsl/polyfills.js | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/helpcontent2/help3xsl/polyfills.js b/helpcontent2/help3xsl/polyfills.js new file mode 100644 index 0000000000..0c14764d78 --- /dev/null +++ b/helpcontent2/help3xsl/polyfills.js @@ -0,0 +1,122 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +// This file can be removed, when we stop supporting IE11. +// Polyfill for .before() +// from: https://github.com/jserz/js_piece/blob/master/DOM/ChildNode/before()/before().md +// Copyright (c) 2016-present, jszhou +// MIT License +(function (arr) { + arr.forEach(function (item) { + if (item.hasOwnProperty('before')) { + return; + } + Object.defineProperty(item, 'before', { + configurable: true, + enumerable: true, + writable: true, + value: function before() { + var argArr = Array.prototype.slice.call(arguments), + docFrag = document.createDocumentFragment(); + + argArr.forEach(function (argItem) { + var isNode = argItem instanceof Node; + docFrag.appendChild(isNode ? argItem : document.createTextNode(String(argItem))); + }); + + this.parentNode.insertBefore(docFrag, this); + } + }); + }); +})([Element.prototype, CharacterData.prototype, DocumentType.prototype]); +// Polyfill for .startsWith() +// from: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith#Polyfill +if (!String.prototype.startsWith) { + Object.defineProperty(String.prototype, 'startsWith', { + value: function(search, pos) { + pos = !pos || pos < 0 ? 0 : +pos; + return this.substring(pos, pos + search.length) === search; + } + }); +} +// Polyfill for .matches() +// from: https://developer.mozilla.org/en-US/docs/Web/API/Element/matches#Polyfill +if (!Element.prototype.matches) { + Element.prototype.matches = Element.prototype.msMatchesSelector || + Element.prototype.webkitMatchesSelector; +} +// Polyfill for iterable Set (IE11) +// from: https://stackoverflow.com/a/45686452/3057764 +if (new Set([0]).size === 0) { + //constructor doesn't take an iterable as an argument - thanks IE + const BuiltinSet = Set; + Set = function Set(iterable) { + const set = new BuiltinSet(); + if (iterable) { + iterable.forEach(set.add, set); + } + return set; + }; + Set.prototype = BuiltinSet.prototype; + Set.prototype.constructor = Set; +} +// Polyfill for using :scope in querySelector/querySelectorAll +// from: https://github.com/lazd/scopedQuerySelectorShim +// Copyright (C) 2015 Larry Davis +// This software may be modified and distributed under the terms of the BSD license. +(function() { + if (!HTMLElement.prototype.querySelectorAll) { + throw new Error("rootedQuerySelectorAll: This polyfill can only be used with browsers that support querySelectorAll"); + } + // A temporary element to query against for elements not currently in the DOM + // We'll also use this element to test for :scope support + var container = document.createElement("div"); + // Check if the browser supports :scope + try { + // Browser supports :scope, do nothing + container.querySelectorAll(":scope *"); + } catch (e) { + // Match usage of scope + var scopeRE = /^\s*:scope/gi; + // Overrides + function overrideNodeMethod(prototype, methodName) { + // Store the old method for use later + var oldMethod = prototype[methodName]; + // Override the method + prototype[methodName] = function(query) { + var nodeList, gaveId = false, gaveContainer = false; + if (query.match(scopeRE)) { + // Remove :scope + query = query.replace(scopeRE, ""); + if (!this.parentNode) { + // Add to temporary container + container.appendChild(this); + gaveContainer = true; + } + parentNode = this.parentNode; + if (!this.id) { + // Give temporary ID + this.id = "rootedQuerySelector_id_" + new Date().getTime(); + gaveId = true; + } + // Find elements against parent node + nodeList = oldMethod.call(parentNode, "#" + this.id + " " + query); + // Reset the ID + if (gaveId) { + this.id = ""; + } + // Remove from temporary container + if (gaveContainer) { + container.removeChild(this); + } + return nodeList; + } else { + // No immediate child selector used + return oldMethod.call(this, query); + } + }; + } + // Browser doesn't support :scope, add polyfill + overrideNodeMethod(HTMLElement.prototype, "querySelector"); + overrideNodeMethod(HTMLElement.prototype, "querySelectorAll"); + } +})(); +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |