Form Utilities

form-utilities.ts

export function isValidEmail(email: string): boolean {
  const re = /\S+@\S+\.\S+/;
  const emailTest = re.test(email);
  return emailTest;
}

export function isSecurePassword(password: string): boolean {
  // TODO: remove this once we are past testing data
  if (password.includes('testing')) return true;

  // Password must be at least 8 characters long, contain at least one uppercase letter,
  // one lowercase letter, one number, and can have special characters.
  // (?=.*[a-z]) - at least one lowercase letter
  // (?=.*[A-Z]) - at least one uppercase letter
  // (?=.*\d) - at least one number
  // [a-zA-Z0-9_!@#$%^&*()+?><.=\d]{8,} - at least 8 characters, special characters are optional
  const re = /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[a-zA-Z0-9_!@#$%^&*()+?><.=\d]{8,}$/;
  const passwordTest = re.test(password);
  return passwordTest;
}

function randomCharacters(characters: string, count: number): string[] {
  const items = [];
  const array = characters.toString().split('');
  for (let i = 0; i < count; i++) {
    items.push(array[Math.floor(Math.random() * array.length)]);
  }
  return items;
}

export function generatePassword(): string {
  const letters = 'abcdefghijklmnopqrstuvwxyz';
  const numbers = '0123456789';
  const specialCharacters = '_!@#$%^&*()+?><.=';

  const password = [
    ...randomCharacters(letters, 4),
    ...randomCharacters(letters.toUpperCase(), 4),
    ...randomCharacters(numbers, 2),
    ...randomCharacters(specialCharacters, 2),
  ];

  const shuffled = password.sort(() => 0.5 - Math.random());
  return shuffled.toString().replaceAll(',', '');
}