ssn/src/failWithError.ts
2018-07-05 02:09:26 +02:00

7 lines
219 B
TypeScript

export default function failWithError(usage: string, msg?: string) {
if (msg !== undefined) {
process.stderr.write(`Error: ${msg.trim()}\n`);
}
process.stderr.write(`Usage: ${usage} \n`);
process.exit(1);
}