INNER CODE UNIT · TypeScript

rejectDuplicateArgv

xlnfinance/xln · brainvault/src/cli/index.ts:102

function rejectDuplicateArgv(): never {
  console.error('Error: duplicate CLI options are refused; provide each setting once.');
  process.exit(1);
}

function validateArgv(argv: readonly string[]): void {
  const seenValueGroups = new Set<string>();
  const acceptValueFlag = (flag: string): void => {
    const group = VALUE_FLAG_GROUPS.get(flag);
    if (group === undefined) rejectUnsafeArgv();
    if (seenValueGroups.has(group)) rejectDuplicateArgv();
    seenValueGroups.add(group);
  };
  for (let index = 0; index < argv.length; index += 1) {
    const argument = argv[index]!;
    if (/^--(?:unsafe-password|passphrase|pass|secret)(?:=|$)/.test(argument)
      || argument.startsWith('--password=')) rejectUnsafeArgv();
    if (BOOLEAN_FLAGS.has(argument)) continue;

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