Password Strength Meter For angular 9

To display the strength of the password with a visual feedback.

Password Strength Meter use @contentpass/zxcvbn to estimate the strength of the password and also provide a visual feedback with suggestions and warning messages.

This lib was developed based on the following tutorial.

How then is password strength measured? Dropbox developed an algorithm for a realistic password strength estimator inspired by password crackers. This algorithm is packaged in a Javascript library called zxcvbn. In addition, the package contains a dictionary of commonly used English words, names and passwords.

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Demo

See Demo Here

  <password-strength-meter [password]="password"></password-strength-meter>

Get Started

Step 1: Since this lib was depending upon the @contentpass/zxcvbn lib, install it first

npm install @contentpass/zxcvbn@4.4.3 --save

Step 2: Install password-strength-meter

npm install angular-password-strength-meter --save

Step 3: Import Password Strength Meter Module into your app module

....
import { PasswordStrengthMeterModule } from 'angular-password-strength-meter';

....

@NgModule({
    ...
    imports: [
        ....
        PasswordStrengthMeterModule
    ],
    ....
})
export class AppModule { }

Step 4: use the password-strength-meter component in your app.component.ts

  <password-strength-meter [password]="password"></password-strength-meter>

API

option	bind	type	default	description
password	Input()	string	-	password to calculate its strength
minPasswordLength	Input()	number	8	min length of password to calculate the strength
enableFeedback	Input()	boolean	false	to show/hide the suggestions and warning messages
colors	Input()	string[]	['darkred', 'orangered', 'orange', 'yellowgreen', 'green']	to overide the meter colors, password strength range is 0 - 4, for strength 0 equals first color in the array and so on
options	Input()	any	{}	@contentpass/zxcvbn options
strengthChange	Output()	number	-	emits the strength of the provided password in number -> range 0 - 4