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emoji_merger.js
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emoji_merger.js
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/*
Emoji merger script, quick hack of a tool to:
- update some missing emoji from an external source
- sort the emoji
- remove all multipart emoji (reactions don't allow them)
Merges emoji from here: https://gist.github.com/oliveratgithub/0bf11a9aff0d6da7b46f1490f86a71eb
to the simpler format we're using.
*/
// Existing emojis we have
const oldEmojiFilename = '../static/emoji.json'
// The file downloaded from https://gist.github.com/oliveratgithub/0bf11a9aff0d6da7b46f1490f86a71eb
const newEmojiFilename = 'emojis.json'
// Output, replace the static/emoji.json with this file if it looks correct
const outputFilename = 'output.json'
const run = () => {
const fs = require('fs')
let newEmojisObject = {}
let emojisObject = {}
let data = fs.readFileSync(newEmojiFilename, 'utf8')
// First filter out anything that's more than one codepoint
const newEmojis = JSON.parse(data).emojis.filter(e => e.emoji.length <= 2)
// Create a table with format { shortname: emoji }, remove the :
newEmojis.forEach(e => {
const name = e.shortname.slice(1, e.shortname.length - 1).toLowerCase()
if (name.length > 0) {
newEmojisObject[name] = e.emoji
}
})
data = fs.readFileSync(oldEmojiFilename, 'utf8')
emojisObject = JSON.parse(data)
// Get rid of longer emojis that don't play nice with reactions
Object.keys(emojisObject).forEach(e => {
if (emojisObject[e].length > 2) emojisObject[e] = undefined
})
// Add new emojis from the new tables to the old table
Object.keys(newEmojisObject).forEach(e => {
if (!emojisObject[e] && newEmojisObject[e].length <= 2) {
emojisObject[e] = newEmojisObject[e]
}
})
// Sort by key
const sorted = Object.keys(emojisObject).sort().reduce((acc, key) => {
if (key.length === 0) return acc
acc[key] = emojisObject[key]
return acc
}, {})
fs.writeFile(outputFilename, JSON.stringify(sorted, null, 2), 'utf8', (err) => {
if (err) console.log('Error writing file', err)
})
}
run()

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