zxcvbn-typescript

import zxcvbn from 'zxcvbn-typescript'; import type { ZXCVBNResult } from 'zxcvbn-typescript'; /** * Evaluates a password's strength and logs detailed feedback. * @param password The password string to evaluate. * @param userInputs Optional array of strings (e.g., username, email) to penalize if found in the password. * @returns The detailed `ZXCVBNResult` object. */ function evaluatePassword(password: string, userInputs: string[] = []): ZXCVBNResult { const result = zxcvbn(password, userInputs); console.log(`Password: "${password}"`); console.log(`Score (0-4): ${result.score}`); console.log(`Estimated guesses: ${result.guesses.toLocaleString()}`); console.log(`Feedback: ${result.feedback.warning || 'Looks good!'}`); result.feedback.suggestions.forEach(suggestion => { console.log(`- Suggestion: ${suggestion}`); }); // Accessing various crack time estimations console.log(`\nCrack Times:`); console.log(` Online (throttled): ${result.crack_times_display.online_throttling_100_per_hour}`); console.log(` Offline (slow hash): ${result.crack_times_display.offline_slow_hashing_1e4_per_second}`); return result; } // Example usage with different password strengths and user inputs const weakPassword = 'password123'; const moderatePassword = 'MySecretPassword1!'; const strongPassword = 'correct horse battery staple'; const userEmail = 'test@example.com'; const userName = 'JohnDoe'; console.log('--- Evaluating Weak Password ---'); evaluatePassword(weakPassword, [userEmail, userName]); console.log('\n--- Evaluating Moderate Password ---'); evaluatePassword(moderatePassword, ['mysecret', 'password']); console.log('\n--- Evaluating Strong Password ---'); evaluatePassword(strongPassword, ['correcthorse']);