generate.ts

1export interface GeneratorOptions {2  length: number;3  includeUppercase: boolean;4  includeLowercase: boolean;5  includeNumbers: boolean;6  includeSymbols: boolean;7}89/**10 * Generate a cryptographically random password.11 */12export function generatePassword(options: Partial<GeneratorOptions> = {}): string {13  const {14    length = 20,15    includeUppercase = true,16    includeLowercase = true,17    includeNumbers = true,18    includeSymbols = true,19  } = options;2021  let chars = "";22  if (includeLowercase) chars += "abcdefghijklmnopqrstuvwxyz";23  if (includeUppercase) chars += "ABCDEFGHIJKLMNOPQRSTUVWXYZ";24  if (includeNumbers) chars += "0123456789";25  if (includeSymbols) chars += "!@#$%^&*";2627  if (chars.length === 0) chars = "abcdefghijklmnopqrstuvwxyz";2829  const array = crypto.getRandomValues(new Uint32Array(length));30  let password = "";31  for (let i = 0; i < length; i++) {32    password += chars[array[i] % chars.length];33  }34  return password;35}