From bc4fa6b198557a7f3989eb0865e2c77ac7451d29 Mon Sep 17 00:00:00 2001 From: kibigo! Date: Sun, 3 Dec 2017 23:26:40 -0800 Subject: Rename themes -> flavours ? ? --- app/javascript/flavours/glitch/util/emoji/index.js | 95 ++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 app/javascript/flavours/glitch/util/emoji/index.js (limited to 'app/javascript/flavours/glitch/util/emoji/index.js') diff --git a/app/javascript/flavours/glitch/util/emoji/index.js b/app/javascript/flavours/glitch/util/emoji/index.js new file mode 100644 index 000000000..31c3e14ca --- /dev/null +++ b/app/javascript/flavours/glitch/util/emoji/index.js @@ -0,0 +1,95 @@ +import { autoPlayGif } from 'flavours/glitch/util/initial_state'; +import unicodeMapping from './emoji_unicode_mapping_light'; +import Trie from 'substring-trie'; + +const trie = new Trie(Object.keys(unicodeMapping)); + +const assetHost = process.env.CDN_HOST || ''; + +const emojify = (str, customEmojis = {}) => { + const tagCharsWithoutEmojis = '<&'; + const tagCharsWithEmojis = Object.keys(customEmojis).length ? '<&:' : '<&'; + let rtn = '', tagChars = tagCharsWithEmojis, invisible = 0; + for (;;) { + let match, i = 0, tag; + while (i < str.length && (tag = tagChars.indexOf(str[i])) === -1 && (invisible || !(match = trie.search(str.slice(i))))) { + i += str.codePointAt(i) < 65536 ? 1 : 2; + } + let rend, replacement = ''; + if (i === str.length) { + break; + } else if (str[i] === ':') { + if (!(() => { + rend = str.indexOf(':', i + 1) + 1; + if (!rend) return false; // no pair of ':' + const lt = str.indexOf('<', i + 1); + if (!(lt === -1 || lt >= rend)) return false; // tag appeared before closing ':' + const shortname = str.slice(i, rend); + // now got a replacee as ':shortname:' + // if you want additional emoji handler, add statements below which set replacement and return true. + if (shortname in customEmojis) { + const filename = autoPlayGif ? customEmojis[shortname].url : customEmojis[shortname].static_url; + replacement = `${shortname}`; + return true; + } + return false; + })()) rend = ++i; + } else if (tag >= 0) { // <, & + rend = str.indexOf('>;'[tag], i + 1) + 1; + if (!rend) { + break; + } + if (tag === 0) { + if (invisible) { + if (str[i + 1] === '/') { // closing tag + if (!--invisible) { + tagChars = tagCharsWithEmojis; + } + } else if (str[rend - 2] !== '/') { // opening tag + invisible++; + } + } else { + if (str.startsWith('