// parse emojifile.js and output emoji.json var fs = require('fs'), path = require('path'), emoji = require('./emojifile').data; // parse var parsed_emoji = {}; for (var key in emoji) { if (emoji.hasOwnProperty(key)) { var names = emoji[key][3]; names = names.constructor === Array ? names : [names]; var emoji_char = emoji[key][0][0]; for (var name of names) { parsed_emoji[name] = emoji_char; } } } // write to emoji.json fs.writeFile(path.join(__dirname, 'emoji.json'), JSON.stringify(parsed_emoji), function(err) { if(err) { console.error('Error:', err); } else { console.log('Done.'); } });