Strip the emoji meta-data for the data we need

This is done at build time by parsing emojione/emoji.json, stripping it and then writing to ./lib/stripped-emoji.json.

scripts/emoji-data-strip.js

@@ -0,0 +1,17 @@
+#!/usr/bin/env node
+const EMOJI_DATA = require('emojione/emoji.json');
+const fs = require('fs');
+
+const output = Object.keys(EMOJI_DATA).map(
+    (key) => {
+        const datum = EMOJI_DATA[key];
+        return {
+            name: datum.name,
+            shortname: datum.shortname,
+            category: datum.category,
+            emoji_order: datum.emoji_order,
+        };
+    }
+);
+
+fs.writeFileSync('./lib/stripped-emoji.json', JSON.stringify(output));