From a87b5ff20e27f80645a626d6cdd7b8cc819019f4 Mon Sep 17 00:00:00 2001 From: Ashley Date: Wed, 14 Jun 2023 20:22:11 +0000 Subject: [PATCH] add twemoji :3 --- css/emojis.js | 569 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 569 insertions(+) create mode 100644 css/emojis.js diff --git a/css/emojis.js b/css/emojis.js new file mode 100644 index 00000000..41612858 --- /dev/null +++ b/css/emojis.js @@ -0,0 +1,569 @@ + +/*jslint indent: 2, browser: true, bitwise: true, plusplus: true */ +var twemoji = (function ( + /*! Copyright Twitter Inc. and other contributors. Licensed under MIT *//* + https://github.com/twitter/twemoji/blob/gh-pages/LICENSE + */ + + // WARNING: this file is generated automatically via + // `node scripts/build.js` + // please update its `createTwemoji` function + // at the bottom of the same file instead. + +) { + 'use strict'; + + /*jshint maxparams:4 */ + + var + // the exported module object + twemoji = { + + + ///////////////////////// + // properties // + ///////////////////////// + + // default assets url, by default will be Twitter Inc. CDN + base: 'https://cdn.jsdelivr.net/gh/twitter/twemoji@14.0.2/assets/', + + // default assets file extensions, by default '.png' + ext: '.png', + + // default assets/folder size, by default "72x72" + // available via Twitter CDN: 72 + size: '72x72', + + // default class name, by default 'emoji' + className: 'emoji', + + // basic utilities / helpers to convert code points + // to JavaScript surrogates and vice versa + convert: { + + /** + * Given an HEX codepoint, returns UTF16 surrogate pairs. + * + * @param string generic codepoint, i.e. '1F4A9' + * @return string codepoint transformed into utf16 surrogates pair, + * i.e. \uD83D\uDCA9 + * + * @example + * twemoji.convert.fromCodePoint('1f1e8'); + * // "\ud83c\udde8" + * + * '1f1e8-1f1f3'.split('-').map(twemoji.convert.fromCodePoint).join('') + * // "\ud83c\udde8\ud83c\uddf3" + */ + fromCodePoint: fromCodePoint, + + /** + * Given UTF16 surrogate pairs, returns the equivalent HEX codepoint. + * + * @param string generic utf16 surrogates pair, i.e. \uD83D\uDCA9 + * @param string optional separator for double code points, default='-' + * @return string utf16 transformed into codepoint, i.e. '1F4A9' + * + * @example + * twemoji.convert.toCodePoint('\ud83c\udde8\ud83c\uddf3'); + * // "1f1e8-1f1f3" + * + * twemoji.convert.toCodePoint('\ud83c\udde8\ud83c\uddf3', '~'); + * // "1f1e8~1f1f3" + */ + toCodePoint: toCodePoint + }, + + + ///////////////////////// + // methods // + ///////////////////////// + + /** + * User first: used to remove missing images + * preserving the original text intent when + * a fallback for network problems is desired. + * Automatically added to Image nodes via DOM + * It could be recycled for string operations via: + * $('img.emoji').on('error', twemoji.onerror) + */ + onerror: function onerror() { + if (this.parentNode) { + this.parentNode.replaceChild(createText(this.alt, false), this); + } + }, + + /** + * Main method/logic to generate either tags or HTMLImage nodes. + * "emojify" a generic text or DOM Element. + * + * @overloads + * + * String replacement for `innerHTML` or server side operations + * twemoji.parse(string); + * twemoji.parse(string, Function); + * twemoji.parse(string, Object); + * + * HTMLElement tree parsing for safer operations over existing DOM + * twemoji.parse(HTMLElement); + * twemoji.parse(HTMLElement, Function); + * twemoji.parse(HTMLElement, Object); + * + * @param string|HTMLElement the source to parse and enrich with emoji. + * + * string replace emoji matches with tags. + * Mainly used to inject emoji via `innerHTML` + * It does **not** parse the string or validate it, + * it simply replaces found emoji with a tag. + * NOTE: be sure this won't affect security. + * + * HTMLElement walk through the DOM tree and find emoji + * that are inside **text node only** (nodeType === 3) + * Mainly used to put emoji in already generated DOM + * without compromising surrounding nodes and + * **avoiding** the usage of `innerHTML`. + * NOTE: Using DOM elements instead of strings should + * improve security without compromising too much + * performance compared with a less safe `innerHTML`. + * + * @param Function|Object [optional] + * either the callback that will be invoked or an object + * with all properties to use per each found emoji. + * + * Function if specified, this will be invoked per each emoji + * that has been found through the RegExp except + * those follwed by the invariant \uFE0E ("as text"). + * Once invoked, parameters will be: + * + * iconId:string the lower case HEX code point + * i.e. "1f4a9" + * + * options:Object all info for this parsing operation + * + * variant:char the optional \uFE0F ("as image") + * variant, in case this info + * is anyhow meaningful. + * By default this is ignored. + * + * If such callback will return a falsy value instead + * of a valid `src` to use for the image, nothing will + * actually change for that specific emoji. + * + * + * Object if specified, an object containing the following properties + * + * callback Function the callback to invoke per each found emoji. + * base string the base url, by default twemoji.base + * ext string the image extension, by default twemoji.ext + * size string the assets size, by default twemoji.size + * + * @example + * + * twemoji.parse("I \u2764\uFE0F emoji!"); + * // I ❤️ emoji! + * + * + * twemoji.parse("I \u2764\uFE0F emoji!", function(iconId, options) { + * return '/assets/' + iconId + '.gif'; + * }); + * // I ❤️ emoji! + * + * + * twemoji.parse("I \u2764\uFE0F emoji!", { + * size: 72, + * callback: function(iconId, options) { + * return '/assets/' + options.size + '/' + iconId + options.ext; + * } + * }); + * // I ❤️ emoji! + * + */ + parse: parse, + + /** + * Given a string, invokes the callback argument + * per each emoji found in such string. + * This is the most raw version used by + * the .parse(string) method itself. + * + * @param string generic string to parse + * @param Function a generic callback that will be + * invoked to replace the content. + * This callback will receive standard + * String.prototype.replace(str, callback) + * arguments such: + * callback( + * rawText, // the emoji match + * ); + * + * and others commonly received via replace. + */ + replace: replace, + + /** + * Simplify string tests against emoji. + * + * @param string some text that might contain emoji + * @return boolean true if any emoji was found, false otherwise. + * + * @example + * + * if (twemoji.test(someContent)) { + * console.log("emoji All The Things!"); + * } + */ + test: test + }, + + // used to escape HTML special chars in attributes + escaper = { + '&': '&', + '<': '<', + '>': '>', + "'": ''', + '"': '"' + }, + + // RegExp based on emoji's official Unicode standards + // http://www.unicode.org/Public/UNIDATA/EmojiSources.txt + re = 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+ + // avoid runtime RegExp creation for not so smart, + // not JIT based, and old browsers / engines + UFE0Fg = /\uFE0F/g, + + // avoid using a string literal like '\u200D' here because minifiers expand it inline + U200D = String.fromCharCode(0x200D), + + // used to find HTML special chars in attributes + rescaper = /[&<>'"]/g, + + // nodes with type 1 which should **not** be parsed + shouldntBeParsed = /^(?:iframe|noframes|noscript|script|select|style|textarea)$/, + + // just a private shortcut + fromCharCode = String.fromCharCode; + + return twemoji; + + + ///////////////////////// + // private functions // + // declaration // + ///////////////////////// + + /** + * Shortcut to create text nodes + * @param string text used to create DOM text node + * @return Node a DOM node with that text + */ + function createText(text, clean) { + return document.createTextNode(clean ? text.replace(UFE0Fg, '') : text); + } + + /** + * Utility function to escape html attribute text + * @param string text use in HTML attribute + * @return string text encoded to use in HTML attribute + */ + function escapeHTML(s) { + return s.replace(rescaper, replacer); + } + + /** + * Default callback used to generate emoji src + * based on Twitter CDN + * @param string the emoji codepoint string + * @param string the default size to use, i.e. "36x36" + * @return string the image source to use + */ + function defaultImageSrcGenerator(icon, options) { + return ''.concat(options.base, options.size, '/', icon, options.ext); + } + + /** + * Given a generic DOM nodeType 1, walk through all children + * and store every nodeType 3 (#text) found in the tree. + * @param Element a DOM Element with probably some text in it + * @param Array the list of previously discovered text nodes + * @return Array same list with new discovered nodes, if any + */ + function grabAllTextNodes(node, allText) { + var + childNodes = node.childNodes, + length = childNodes.length, + subnode, + nodeType; + while (length--) { + subnode = childNodes[length]; + nodeType = subnode.nodeType; + // parse emoji only in text nodes + if (nodeType === 3) { + // collect them to process emoji later + allText.push(subnode); + } + // ignore all nodes that are not type 1, that are svg, or that + // should not be parsed as script, style, and others + else if (nodeType === 1 && !('ownerSVGElement' in subnode) && + !shouldntBeParsed.test(subnode.nodeName.toLowerCase())) { + grabAllTextNodes(subnode, allText); + } + } + return allText; + } + + /** + * Used to both remove the possible variant + * and to convert utf16 into code points. + * If there is a zero-width-joiner (U+200D), leave the variants in. + * @param string the raw text of the emoji match + * @return string the code point + */ + function grabTheRightIcon(rawText) { + // if variant is present as \uFE0F + return toCodePoint(rawText.indexOf(U200D) < 0 ? + rawText.replace(UFE0Fg, '') : + rawText + ); + } + + /** + * DOM version of the same logic / parser: + * emojify all found sub-text nodes placing images node instead. + * @param Element generic DOM node with some text in some child node + * @param Object options containing info about how to parse + * + * .callback Function the callback to invoke per each found emoji. + * .base string the base url, by default twemoji.base + * .ext string the image extension, by default twemoji.ext + * .size string the assets size, by default twemoji.size + * + * @return Element same generic node with emoji in place, if any. + */ + function parseNode(node, options) { + var + allText = grabAllTextNodes(node, []), + length = allText.length, + attrib, + attrname, + modified, + fragment, + subnode, + text, + match, + i, + index, + img, + rawText, + iconId, + src; + while (length--) { + modified = false; + fragment = document.createDocumentFragment(); + subnode = allText[length]; + text = subnode.nodeValue; + i = 0; + while ((match = re.exec(text))) { + index = match.index; + if (index !== i) { + fragment.appendChild( + createText(text.slice(i, index), true) + ); + } + rawText = match[0]; + iconId = grabTheRightIcon(rawText); + i = index + rawText.length; + src = options.callback(iconId, options); + if (iconId && src) { + img = new Image(); + img.onerror = options.onerror; + img.setAttribute('draggable', 'false'); + attrib = options.attributes(rawText, iconId); + for (attrname in attrib) { + if ( + attrib.hasOwnProperty(attrname) && + // don't allow any handlers to be set + don't allow overrides + attrname.indexOf('on') !== 0 && + !img.hasAttribute(attrname) + ) { + img.setAttribute(attrname, attrib[attrname]); + } + } + img.className = options.className; + img.alt = rawText; + img.src = src; + modified = true; + fragment.appendChild(img); + } + if (!img) fragment.appendChild(createText(rawText, false)); + img = null; + } + // is there actually anything to replace in here ? + if (modified) { + // any text left to be added ? + if (i < text.length) { + fragment.appendChild( + createText(text.slice(i), true) + ); + } + // replace the text node only, leave intact + // anything else surrounding such text + subnode.parentNode.replaceChild(fragment, subnode); + } + } + return node; + } + + /** + * String/HTML version of the same logic / parser: + * emojify a generic text placing images tags instead of surrogates pair. + * @param string generic string with possibly some emoji in it + * @param Object options containing info about how to parse + * + * .callback Function the callback to invoke per each found emoji. + * .base string the base url, by default twemoji.base + * .ext string the image extension, by default twemoji.ext + * .size string the assets size, by default twemoji.size + * + * @return the string with replacing all found and parsed emoji + */ + function parseString(str, options) { + return replace(str, function (rawText) { + var + ret = rawText, + iconId = grabTheRightIcon(rawText), + src = options.callback(iconId, options), + attrib, + attrname; + if (iconId && src) { + // recycle the match string replacing the emoji + // with its image counter part + ret = ''); + } + return ret; + }); + } + + /** + * Function used to actually replace HTML special chars + * @param string HTML special char + * @return string encoded HTML special char + */ + function replacer(m) { + return escaper[m]; + } + + /** + * Default options.attribute callback + * @return null + */ + function returnNull() { + return null; + } + + /** + * Given a generic value, creates its squared counterpart if it's a number. + * As example, number 36 will return '36x36'. + * @param any a generic value. + * @return any a string representing asset size, i.e. "36x36" + * only in case the value was a number. + * Returns initial value otherwise. + */ + function toSizeSquaredAsset(value) { + return typeof value === 'number' ? + value + 'x' + value : + value; + } + + + ///////////////////////// + // exported functions // + // declaration // + ///////////////////////// + + function fromCodePoint(codepoint) { + var code = typeof codepoint === 'string' ? + parseInt(codepoint, 16) : codepoint; + if (code < 0x10000) { + return fromCharCode(code); + } + code -= 0x10000; + return fromCharCode( + 0xD800 + (code >> 10), + 0xDC00 + (code & 0x3FF) + ); + } + + function parse(what, how) { + if (!how || typeof how === 'function') { + how = {callback: how}; + } + // if first argument is string, inject html tags + // otherwise use the DOM tree and parse text nodes only + return (typeof what === 'string' ? parseString : parseNode)(what, { + callback: how.callback || defaultImageSrcGenerator, + attributes: typeof how.attributes === 'function' ? how.attributes : returnNull, + base: typeof how.base === 'string' ? how.base : twemoji.base, + ext: how.ext || twemoji.ext, + size: how.folder || toSizeSquaredAsset(how.size || twemoji.size), + className: how.className || twemoji.className, + onerror: how.onerror || twemoji.onerror + }); + } + + function replace(text, callback) { + return String(text).replace(re, callback); + } + + function test(text) { + // IE6 needs a reset before too + re.lastIndex = 0; + var result = re.test(text); + re.lastIndex = 0; + return result; + } + + function toCodePoint(unicodeSurrogates, sep) { + var + r = [], + c = 0, + p = 0, + i = 0; + while (i < unicodeSurrogates.length) { + c = unicodeSurrogates.charCodeAt(i++); + if (p) { + r.push((0x10000 + ((p - 0xD800) << 10) + (c - 0xDC00)).toString(16)); + p = 0; + } else if (0xD800 <= c && c <= 0xDBFF) { + p = c; + } else { + r.push(c.toString(16)); + } + } + return r.join(sep || '-'); + } + +}());