Function readNextArg

scripts/cli-options.ts:139–150

(
  args: string[],
  index: number,
  flag: string,
  fail: (message: string) => never,
)

}

export function readNextArg(
  args: string[],
  index: number,
  flag: string,
  fail: (message: string) => never,
) {
  const value = args[index + 1];
  if (!value || value.startsWith("--")) {
    fail(`Missing value for ${flag}`);
  }
  return value;
}

export function validateCliVersion(
  version: string,