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feat: add password strength indicator to signup form #672

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feat: add password strength indicator to signup form #672

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58 changes: 58 additions & 0 deletions frontend/register.html
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,22 @@
border-right: none !important;
color: rgba(255, 255, 255, 0.5) !important;
}
.password-strength{
width:100%;
}

.password-strength-bar{
height:6px;
width:0%;
border-radius:999px;
background:#6c757d;
transition:all .3s ease;
margin-bottom:6px;
}

#strengthText{
font-size:0.85rem;
}
</style>
</head>

Expand Down Expand Up @@ -148,6 +164,12 @@ <h2 class="brand-gradient mb-1" style="font-family: 'Sora', sans-serif; font-wei
<i class="bi bi-eye" aria-hidden="true"></i>
</button>
</div>
<div class="password-strength mt-2">
<div class="password-strength-bar"></div>
<small id="strengthText" class="text-muted">
Password strength
</small>
</div>
</div>

<div class="d-grid mb-3">
Expand All @@ -171,6 +193,42 @@ <h2 class="brand-gradient mb-1" style="font-family: 'Sora', sans-serif; font-wei
import { register } from './api.js';

document.addEventListener('DOMContentLoaded', () => {
const passwordInput = document.getElementById('password');
const strengthBar = document.querySelector('.password-strength-bar');
const strengthText = document.getElementById('strengthText');

passwordInput.addEventListener('input', () => {

const value = passwordInput.value;
let score = 0;

if (value.length >= 8) score++;
if (/[A-Z]/.test(value)) score++;
if (/[0-9]/.test(value)) score++;
if (/[^A-Za-z0-9]/.test(value)) score++;

if (value.length === 0) {
strengthBar.style.width = "0%";
strengthBar.style.background = "#6c757d";
strengthText.textContent = "Password strength";
}
else if (score <= 2) {
strengthBar.style.width = "33%";
strengthBar.style.background = "#dc3545";
strengthText.textContent = "Weak";
}
else if (score === 3) {
strengthBar.style.width = "66%";
strengthBar.style.background = "#ffc107";
strengthText.textContent = "Medium";
}
else {
strengthBar.style.width = "100%";
strengthBar.style.background = "#198754";
strengthText.textContent = "Strong";
}

});
const form = document.querySelector('form');
if (form) {
form.addEventListener('submit', async (e) => {
Expand Down