const fs = require('fs'); const unordered = JSON.parse(fs.readFileSync('src/locales/de.json')); const ordered = Object.keys(unordered).sort().reduce((obj, key) => { obj[key] = unordered[key]; return obj; }, {}); // console.log(JSON.stringify(ordered)); const out = JSON.stringify(ordered, 0, 4); fs.writeFileSync('src/locales/de.json', out);