in packages/web-scripts/src/index.ts [267:275]
function handleError(error: Error & { exitStatus?: number }) {
/* eslint-disable no-console */
// only log if the error is useful (e.g. not the default message from non-zero status is in cross-spawn)
if (error.message && error.message.indexOf('Error: Exited with status') < 0) {
console.error(error);
}
/* eslint-enable no-console */
process.exit(error.exitStatus || 1);
}