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feat: add interactive password strength meter #500

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Merged
emdevelopa merged 1 commit into from
Mar 30, 2026
Merged

feat: add interactive password strength meter #500

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4 changes: 3 additions & 1 deletion frontend/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,8 @@
"remark-gfm": "^4.0.0",
"socket.io-client": "^4.8.1",
"stellar-sdk": "^12.2.0",
"zustand": "^5.0.12"
"zustand": "^5.0.12",
"zxcvbn": "^4.4.2"
},
"devDependencies": {
"@axe-core/cli": "^4.11.1",
Expand All @@ -55,6 +56,7 @@
"@types/prismjs": "^1.26.5",
"@types/react": "18.3.28",
"@types/react-dom": "^18.3.7",
"@types/zxcvbn": "^4.4.5",
"autoprefixer": "^10.4.19",
"eslint": "^8.57.0",
"eslint-config-next": "^14.2.5",
Expand Down
50 changes: 50 additions & 0 deletions frontend/src/components/RegistrationForm.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import { useState } from "react";
import { registerMerchant, type Merchant } from "../lib/auth";
import MaskedValue from "./MaskedValue";
import toast from "react-hot-toast";
import zxcvbn from "zxcvbn";
import {
useSetMerchantApiKey,
useSetMerchantMetadata,
Expand All @@ -14,6 +15,7 @@ export default function RegistrationForm() {
const setApiKey = useSetMerchantApiKey();
const setMerchant = useSetMerchantMetadata();
const [email, setEmail] = useState("");
const [password, setPassword] = useState("");
const [businessName, setBusinessName] = useState("");
const [notificationEmail, setNotificationEmail] = useState("");
const [loading, setLoading] = useState(false);
Expand Down Expand Up @@ -138,6 +140,54 @@ export default function RegistrationForm() {
/>
</div>

<div className="flex flex-col gap-1.5">
<label
htmlFor="password"
className="text-xs font-medium text-slate-400 uppercase tracking-wider"
>
Password
</label>
<input
id="password"
type="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
className="rounded-xl border border-white/10 bg-white/5 p-3 text-white placeholder:text-slate-600 focus:border-mint/50 focus:outline-none focus:ring-1 focus:ring-mint/50"
placeholder="••••••••"
/>
{/* Strength Meter */}
<div className="mt-1 flex flex-col gap-1.5">
<div className="flex gap-1 h-1.5">
{[0, 1, 2, 3].map((index) => {
const score = password ? zxcvbn(password).score : 0;
const activeBars = score === 0 ? 1 : score === 4 ? 4 : score + 1;
const isActive = password.length > 0 && index < activeBars;
let bgColor = "bg-white/10";

if (isActive) {
if (score === 0) bgColor = "bg-red-500";
else if (score === 1) bgColor = "bg-orange-500";
else if (score === 2) bgColor = "bg-yellow-400";
else if (score === 3) bgColor = "bg-lime-400";
else if (score === 4) bgColor = "bg-green-500";
}

return (
<div
key={index}
className={`flex-1 rounded-full transition-colors duration-300 ${bgColor}`}
/>
);
})}
</div>
{password.length > 0 && (
<p className="text-[10px] text-slate-400 text-right font-medium">
{["Weak", "Fair", "Good", "Strong", "Strong"][zxcvbn(password).score]}
</p>
)}
</div>
</div>

<div className="flex flex-col gap-1.5">
<label
htmlFor="notificationEmail"
Expand Down
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