const spawn = require('cross-spawn'); const path = require('path'); const s = `\\${path.sep}`; const pattern = process.argv[2] === 'e2e' ? `test${s}e2e${s}.+\\.spec\\.js` : `test${s}(?!e2e${s})[^${s}]+${s}.+\\.spec\\.js$`; spawn.sync(path.normalize('./node_modules/.bin/jest'), [pattern], { stdio: 'inherit' });