Function optionValue

packages/cli/src/runtime-host-cli.ts:557–560

(argv: string[], index: number, option: string)

}

function optionValue(argv: string[], index: number, option: string): string | RuntimeHostCliError {
  const value = argv[index + 1];
  return !value || value.startsWith('-') ? error(`${option} requires a value`) : value;
}

function error(message: string): RuntimeHostCliError {
  return { kind: 'error', message, exitCode: 2 };