Function parseArgs

packages/foam-cli/src/support/args.ts:24–73

(argv: string[])

}

export function parseArgs(argv: string[]): ParsedArgs {
  const options = new Map<string, string | boolean>();
  const multi = new Map<string, string[]>();
  const positionals: string[] = [];

  const pushMulti = (name: string, value: string) => {
    const existing = multi.get(name);
    if (existing) {
      existing.push(value);
    } else {
      multi.set(name, [value]);
    }
  };

  for (let i = 0; i < argv.length; i++) {
    const arg = argv[i];

    if (arg === '--') {
      positionals.push(...argv.slice(i + 1));
      break;
    }

    if (arg.startsWith('--')) {
      const [name, inlineValue] = arg.slice(2).split('=', 2);
      if (inlineValue !== undefined) {
        options.set(name, inlineValue);
        pushMulti(name, inlineValue);
        continue;
      }
      const next = argv[i + 1];
      if (next !== undefined && !next.startsWith('-')) {
        options.set(name, next);
        pushMulti(name, next);
        i++;
        continue;
      }
      options.set(name, true);
      continue;
    }

    if (arg === '-h') {
      options.set('help', true);
      continue;
    }

    positionals.push(arg);
  }

  return { options, multi, positionals };
}

export function getString(parsed: ParsedArgs, name: string): string | undefined;
export function getString(options: Map<string, string | boolean>, name: string): string | undefined;