const execa = require('execa'); (async () => { console.log('installing dependencies of packages/backend ...'); await execa('yarn', ['install'], { cwd: __dirname + '/../packages/backend', stdout: process.stdout, stderr: process.stderr, }); console.log('installing dependencies of packages/client ...'); await execa('yarn', ['install'], { cwd: __dirname + '/../packages/client', stdout: process.stdout, stderr: process.stderr, }); })();