const yaml = require('js-yaml'); const fs = require('fs'); const path = require('path'); const writeOption = { flag: 'w' }; const writeToYml = (list, dest) => { const data = yaml.safeDump(list); console.log('Write to', dest); fs.writeFileSync(dest, data, writeOption); }; const firebaseData = require('./firebase-data.json'); ['partners', 'team', 'tickets'] .forEach(key => { const dest = path.join(__dirname, `../data/${key}.yml`); const data = firebaseData[key]; writeToYml(data, dest); });