Function parseVersionPositionalArg

scripts/cli-options.ts:124–137

(
  arg: string,
  currentVersion: string | undefined,
  fail: (message: string) => never,
)

}

export function parseVersionPositionalArg(
  arg: string,
  currentVersion: string | undefined,
  fail: (message: string) => never,
) {
  if (arg.startsWith("--")) {
    fail(`Unknown option: ${arg}`);
  }
  if (currentVersion) {
    fail(`Unexpected positional argument: ${arg}`);
  }

  return arg.replace(/^v/, "");
}

export function readNextArg(
  args: string[],