const path = require('path'); const fs = require('fs'); const appVersion = require('./package.json').version; const versionFilePath = path.join(__dirname + '/src/environments/version.ts'); const versionStr = `export const VERSION = '${appVersion}';`; fs.writeFile(versionFilePath, versionStr, { flat: 'w' }, function (err) { if (err) { return console.log(err); } console.log(`Updating application version ${appVersion}`); console.log(`${'Writing version module to '}${versionFilePath}\n`); });