Reorder Unicode emojis

Reorder Unicode emojis according to Unicode CLDR emoji collation rules.

src/modules/instance.js

@@ -159,13 +159,13 @@ const instance = {
         const res = await window.fetch('/static/emoji.json')
         if (res.ok) {
           const values = await res.json()
-          const emoji = Object.keys(values).map((key) => {
+          const emoji = values.map((key) => {
             return {
-              displayText: key,
+              displayText: key.keyword,
               imageUrl: false,
-              replacement: values[key]
+              replacement: key.value
             }
-          }).sort((a, b) => a.name > b.name ? 1 : -1)
+          })
           commit('setInstanceOption', { name: 'emoji', value: emoji })
         } else {
           throw (res)

tools/sort_emojis.js

@@ -0,0 +1,27 @@
+const fs = require('fs')
+
+const emojiFilename = '../static/emoji.json'
+
+const data = fs.readFileSync(emojiFilename, 'utf8')
+const currentEmojis = JSON.parse(data)
+
+const currentEmojisArray = Object.entries(currentEmojis).map(([name, codepoint]) => {
+  return {
+    keyword: name,
+    value: codepoint
+  }
+}).filter(e => {
+  const hasSingleCodepoint = Array.from(e.value).length === 1;
+  const isSkinToneIndicator = e.value.codePointAt(0) >= 0x1F3FB && e.value.codePointAt(0) <= 0x1F3FF;
+  return !(hasSingleCodepoint && isSkinToneIndicator)
+})
+
+const collator = new Intl.Collator('en-u-co-emoji')
+
+currentEmojisArray.sort((a, b) => {
+  return collator.compare(a.value, b.value)
+})
+
+fs.writeFile(emojiFilename, JSON.stringify(currentEmojisArray, null, 2), 'utf8', (err) => {
+  if (err) console.log('Error writing file', err)
+})