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author | beatrix <beatrix.bitrot@gmail.com> | 2017-11-18 20:32:17 -0500 |
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committer | GitHub <noreply@github.com> | 2017-11-18 20:32:17 -0500 |
commit | bcda3f85ce1473e9285299979a471525b2cd7034 (patch) | |
tree | 80c346945531fe17bdf94b70ecd206a07edd5258 /app/javascript/themes/glitch/util/emoji/emoji_compressed.js | |
parent | dec960c828390466c8fa802ac30e68041a64bff6 (diff) | |
parent | 92cc79be7206534e8c9a9957cc89b5d0eb0bcfac (diff) |
Merge pull request #226 from glitch-soc/glitch-theme
Glitch/Vanilla themes
Diffstat (limited to 'app/javascript/themes/glitch/util/emoji/emoji_compressed.js')
-rw-r--r-- | app/javascript/themes/glitch/util/emoji/emoji_compressed.js | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/app/javascript/themes/glitch/util/emoji/emoji_compressed.js b/app/javascript/themes/glitch/util/emoji/emoji_compressed.js new file mode 100644 index 000000000..e5b834a74 --- /dev/null +++ b/app/javascript/themes/glitch/util/emoji/emoji_compressed.js @@ -0,0 +1,93 @@ +// @preval +// http://www.unicode.org/Public/emoji/5.0/emoji-test.txt +// This file contains the compressed version of the emoji data from +// both emoji_map.json and from emoji-mart's emojiIndex and data objects. +// It's designed to be emitted in an array format to take up less space +// over the wire. + +const { unicodeToFilename } = require('./unicode_to_filename'); +const { unicodeToUnifiedName } = require('./unicode_to_unified_name'); +const emojiMap = require('./emoji_map.json'); +const { emojiIndex } = require('emoji-mart'); +const { default: emojiMartData } = require('emoji-mart/dist/data'); + +const excluded = ['®', '©', '™']; +const skins = ['🏻', '🏼', '🏽', '🏾', '🏿']; +const shortcodeMap = {}; + +const shortCodesToEmojiData = {}; +const emojisWithoutShortCodes = []; + +Object.keys(emojiIndex.emojis).forEach(key => { + shortcodeMap[emojiIndex.emojis[key].native] = emojiIndex.emojis[key].id; +}); + +const stripModifiers = unicode => { + skins.forEach(tone => { + unicode = unicode.replace(tone, ''); + }); + + return unicode; +}; + +Object.keys(emojiMap).forEach(key => { + if (excluded.includes(key)) { + delete emojiMap[key]; + return; + } + + const normalizedKey = stripModifiers(key); + let shortcode = shortcodeMap[normalizedKey]; + + if (!shortcode) { + shortcode = shortcodeMap[normalizedKey + '\uFE0F']; + } + + const filename = emojiMap[key]; + + const filenameData = [key]; + + if (unicodeToFilename(key) !== filename) { + // filename can't be derived using unicodeToFilename + filenameData.push(filename); + } + + if (typeof shortcode === 'undefined') { + emojisWithoutShortCodes.push(filenameData); + } else { + if (!Array.isArray(shortCodesToEmojiData[shortcode])) { + shortCodesToEmojiData[shortcode] = [[]]; + } + shortCodesToEmojiData[shortcode][0].push(filenameData); + } +}); + +Object.keys(emojiIndex.emojis).forEach(key => { + const { native } = emojiIndex.emojis[key]; + let { short_names, search, unified } = emojiMartData.emojis[key]; + if (short_names[0] !== key) { + throw new Error('The compresser expects the first short_code to be the ' + + 'key. It may need to be rewritten if the emoji change such that this ' + + 'is no longer the case.'); + } + + short_names = short_names.slice(1); // first short name can be inferred from the key + + const searchData = [native, short_names, search]; + if (unicodeToUnifiedName(native) !== unified) { + // unified name can't be derived from unicodeToUnifiedName + searchData.push(unified); + } + + shortCodesToEmojiData[key].push(searchData); +}); + +// JSON.parse/stringify is to emulate what @preval is doing and avoid any +// inconsistent behavior in dev mode +module.exports = JSON.parse(JSON.stringify([ + shortCodesToEmojiData, + emojiMartData.skins, + emojiMartData.categories, + emojiMartData.short_names, + emojisWithoutShortCodes, +])); |