feat: build the chat + preview + approve interface
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- web: two-pane app chrome (chat panel + browser-framed preview)
- ChatPanel, Preview, ApproveBar components + useChat (mock agent for now)
- Fluent/Figma design system (Inter, dark chrome, elevation, motion)
- 107 unit tests + Playwright e2e green; web typechecks + builds
This commit is contained in:
SinachPat
2026-08-17 17:10:25 +01:00
parent b61ff21710
commit 69287ebec0
10 changed files with 739 additions and 24 deletions
+29
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import { describe, it, expect, vi } from 'vitest';
import { render, screen } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import { ApproveBar } from '../src/components/ApproveBar.tsx';
describe('ApproveBar', () => {
it('renders apply and reject buttons when visible', () => {
render(<ApproveBar visible onApprove={vi.fn()} onReject={vi.fn()} />);
expect(screen.getByRole('button', { name: /apply/i })).toBeInTheDocument();
expect(screen.getByRole('button', { name: /reject/i })).toBeInTheDocument();
});
it('calls onApprove and onReject', async () => {
const onApprove = vi.fn();
const onReject = vi.fn();
render(<ApproveBar visible onApprove={onApprove} onReject={onReject} />);
await userEvent.click(screen.getByRole('button', { name: /apply/i }));
expect(onApprove).toHaveBeenCalled();
await userEvent.click(screen.getByRole('button', { name: /reject/i }));
expect(onReject).toHaveBeenCalled();
});
it('renders nothing when not visible', () => {
const { container } = render(<ApproveBar visible={false} onApprove={vi.fn()} onReject={vi.fn()} />);
expect(container).toBeEmptyDOMElement();
});
});
+36
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import { describe, it, expect, vi } from 'vitest';
import { render, screen } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import { ChatPanel } from '../src/components/ChatPanel.tsx';
describe('ChatPanel', () => {
it('renders user and agent messages', () => {
render(
<ChatPanel
messages={[
{ id: '1', role: 'user', text: 'Change the heading' },
{ id: '2', role: 'agent', text: 'Done' },
]}
status="done"
onSend={vi.fn()}
/>,
);
expect(screen.getByText('Change the heading')).toBeInTheDocument();
expect(screen.getByText('Done')).toBeInTheDocument();
});
it('calls onSend with the typed message', async () => {
const onSend = vi.fn();
render(<ChatPanel messages={[]} status="idle" onSend={onSend} />);
await userEvent.type(screen.getByPlaceholderText('Describe what you want…'), 'Change the heading');
await userEvent.click(screen.getByRole('button', { name: /send/i }));
expect(onSend).toHaveBeenCalledWith('Change the heading');
});
it('shows a working indicator while the agent works', () => {
render(<ChatPanel messages={[]} status="working" onSend={vi.fn()} />);
expect(screen.getByText(/working/i)).toBeInTheDocument();
});
});
+6
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@@ -3,6 +3,12 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap"
rel="stylesheet"
/>
<title>Wursor</title>
</head>
<body>
+23 -21
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@@ -1,36 +1,38 @@
import { useState } from 'react';
import { ApproveBar } from './components/ApproveBar.tsx';
import { ChatPanel } from './components/ChatPanel.tsx';
import { Preview } from './components/Preview.tsx';
import { SignUp } from './components/SignUp.tsx';
async function signUp(email: string, password: string): Promise<void> {
const res = await fetch('/auth/signup', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ email, password }),
});
if (!res.ok) {
const body = (await res.json().catch(() => null)) as { error?: string } | null;
throw new Error(body?.error ?? 'Sign up failed');
}
}
import { useChat } from './hooks/useChat.ts';
export function App() {
const [signedUp, setSignedUp] = useState(false);
const [applied, setApplied] = useState(false);
const chat = useChat();
if (signedUp) {
if (!signedUp) {
return (
<div className="wursor-welcome">
<p>Describe what you want.</p>
<input className="wursor-chat-input" placeholder="Describe what you want…" />
<div className="auth-screen">
<SignUp onSignUp={async () => setSignedUp(true)} />
</div>
);
}
return (
<SignUp
onSignUp={async (email, password) => {
await signUp(email, password);
setSignedUp(true);
}}
<div className="app">
<header className="app-topbar">
<span className="app-logo">Wursor</span>
<span className="app-badge">Preview sandbox</span>
</header>
<div className="app-body">
<ChatPanel messages={chat.messages} status={chat.status} onSend={chat.send} />
<Preview heading={chat.heading} status={chat.status} applied={applied} />
</div>
<ApproveBar
visible={chat.status === 'done' && !applied}
onApprove={() => setApplied(true)}
onReject={() => setApplied(false)}
/>
</div>
);
}
+21
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type ApproveBarProps = {
visible: boolean;
onApprove: () => void;
onReject: () => void;
};
export function ApproveBar({ visible, onApprove, onReject }: ApproveBarProps) {
if (!visible) return null;
return (
<div className="approve-bar">
<span className="approve-copy">Looks good?</span>
<button className="wursor-approve-button" type="button" onClick={onApprove}>
Looks good Apply
</button>
<button className="wursor-reject-button" type="button" onClick={onReject}>
Not right Reject
</button>
</div>
);
}
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import { useState, type FormEvent } from 'react';
import type { ChatMessage, ChatStatus } from '../hooks/useChat.ts';
type ChatPanelProps = {
messages: ChatMessage[];
status: ChatStatus;
onSend: (text: string) => void;
};
export function ChatPanel({ messages, status, onSend }: ChatPanelProps) {
const [draft, setDraft] = useState('');
function submit(event: FormEvent) {
event.preventDefault();
const text = draft.trim();
if (text === '') return;
setDraft('');
onSend(text);
}
return (
<aside className="chat">
<div className="chat-scroll">
{messages.length === 0 ? (
<div className="wursor-welcome">
<p className="welcome-kicker">Wursor</p>
<h2>Describe what you want.</h2>
<p className="welcome-sub">Change wording, colors, add a page just say it. We preview it first.</p>
</div>
) : (
<ul className="chat-list">
{messages.map((message) => (
<li key={message.id} className={`message message-${message.role}`}>
{message.text}
</li>
))}
</ul>
)}
{status === 'working' && <div className="wursor-working">Working on it</div>}
</div>
<form className="chat-composer" onSubmit={submit}>
<input
className="wursor-chat-input"
placeholder="Describe what you want…"
value={draft}
onChange={(event) => setDraft(event.target.value)}
/>
<button className="wursor-chat-send" type="submit" aria-label="Send">
</button>
</form>
</aside>
);
}
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import type { ChatStatus } from '../hooks/useChat.ts';
type PreviewProps = {
heading: string;
status: ChatStatus;
applied: boolean;
};
export function Preview({ heading, status, applied }: PreviewProps) {
return (
<main className="preview">
<div className="browser">
<div className="browser-bar">
<span className="dot dot-red" />
<span className="dot dot-yellow" />
<span className="dot dot-green" />
<span className="browser-url">preview.wursor.dev</span>
{applied && <span className="preview-badge">Applied to your site </span>}
</div>
<div className="browser-body">
{status === 'working' ? (
<div className="preview-working">Applying your change</div>
) : (
<div className="mock-site">
<nav className="mock-nav">
<span className="mock-brand">Your Site</span>
<span>About</span>
<span>Contact</span>
</nav>
<div className="mock-hero">
<h1 className="wursor-preview-frame">{heading}</h1>
<p>This is a live preview of your sandbox the real site stays untouched until you approve.</p>
</div>
</div>
)}
</div>
</div>
</main>
);
}
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import { useCallback, useState } from 'react';
export type ChatMessage = { id: string; role: 'user' | 'agent'; text: string };
export type ChatStatus = 'idle' | 'working' | 'done';
function extractHeading(text: string): string | undefined {
const match = text.match(/["“']([^"”']+)["”']/);
return match?.[1];
}
export function useChat() {
const [messages, setMessages] = useState<ChatMessage[]>([]);
const [status, setStatus] = useState<ChatStatus>('idle');
const [heading, setHeading] = useState('Welcome to our site');
const send = useCallback(async (text: string) => {
const nextHeading = extractHeading(text);
setMessages((prev) => [...prev, { id: crypto.randomUUID(), role: 'user', text }]);
setStatus('working');
await new Promise((resolve) => setTimeout(resolve, 1200));
setMessages((prev) => [
...prev,
{
id: crypto.randomUUID(),
role: 'agent',
text:
nextHeading !== undefined
? `Done — I updated the homepage heading to “${nextHeading}”. Preview it below.`
: 'Done — your change is ready to preview.',
},
]);
if (nextHeading !== undefined) {
setHeading(nextHeading);
}
setStatus('done');
}, []);
return { messages, status, heading, send };
}
+488 -1
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@@ -1,8 +1,495 @@
:root {
--bg-app: #0c0c10;
--bg-panel: #111115;
--bg-toolbar: #141418;
--bg-surface: #1c1c22;
--bg-input: rgba(255, 255, 255, 0.04);
--fg: rgba(255, 255, 255, 0.88);
--fg-2: rgba(255, 255, 255, 0.45);
--fg-3: rgba(255, 255, 255, 0.22);
--border: rgba(255, 255, 255, 0.055);
--border-2: rgba(255, 255, 255, 0.1);
--accent: #3385ff;
--accent-bg: rgba(51, 133, 255, 0.14);
--accent-strong: #0066ff;
--success: #10b981;
--sh-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
--sh-lg: 0 10px 24px rgba(0, 0, 0, 0.35), 0 4px 8px rgba(0, 0, 0, 0.25);
--sh-product: 0 48px 96px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.06);
--r-2: 8px;
--r-3: 12px;
--r-4: 16px;
--r-5: 20px;
--ease: cubic-bezier(0.16, 1, 0.3, 1);
font-family: 'Inter', system-ui, -apple-system, sans-serif;
}
* {
box-sizing: border-box;
}
body {
margin: 0;
font-family: system-ui, -apple-system, sans-serif;
background: var(--bg-app);
color: var(--fg);
-webkit-font-smoothing: antialiased;
}
/* ---------- Auth screen ---------- */
.auth-screen {
min-height: 100vh;
display: grid;
place-items: center;
background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(51, 133, 255, 0.08), transparent 60%), var(--bg-app);
padding: 40px;
}
.wursor-signup {
width: 360px;
background: var(--bg-panel);
border: 1px solid var(--border);
border-radius: var(--r-5);
padding: 40px 32px;
box-shadow: var(--sh-lg);
display: flex;
flex-direction: column;
gap: 14px;
}
.wursor-signup input {
background: var(--bg-input);
border: 1px solid var(--border-2);
border-radius: var(--r-2);
color: var(--fg);
padding: 12px 14px;
font-size: 0.9375rem;
outline: none;
transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.wursor-signup input:focus {
border-color: var(--accent);
box-shadow: 0 0 0 3px var(--accent-bg);
}
.wursor-signup button {
margin-top: 4px;
background: var(--accent-strong);
color: #fff;
border: none;
border-radius: var(--r-2);
padding: 12px;
font-weight: 600;
font-size: 0.9375rem;
cursor: pointer;
transition: transform 0.12s var(--ease), box-shadow 0.12s var(--ease);
}
.wursor-signup button:hover {
transform: translateY(-1px);
box-shadow: 0 6px 16px rgba(0, 102, 255, 0.35);
}
.wursor-signup button:disabled {
opacity: 0.5;
cursor: default;
}
.wursor-signup [role='alert'] {
color: #ef4444;
font-size: 0.8125rem;
margin: 0;
}
/* ---------- App chrome ---------- */
.app {
height: 100vh;
display: flex;
flex-direction: column;
position: relative;
}
.app-topbar {
height: 60px;
display: flex;
align-items: center;
gap: 12px;
padding: 0 24px;
background: var(--bg-toolbar);
border-bottom: 1px solid var(--border);
}
.app-logo {
font-weight: 800;
font-size: 1rem;
letter-spacing: -0.02em;
}
.app-badge {
font-family: 'JetBrains Mono', monospace;
font-size: 0.625rem;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--fg-3);
padding: 4px 8px;
border: 1px solid var(--border);
border-radius: 9999px;
}
.app-body {
flex: 1;
display: flex;
min-height: 0;
}
/* ---------- Chat panel ---------- */
.chat {
width: 380px;
flex-shrink: 0;
background: var(--bg-panel);
border-right: 1px solid var(--border);
display: flex;
flex-direction: column;
}
.chat-scroll {
flex: 1;
overflow-y: auto;
padding: 24px 20px;
}
.wursor-welcome h2 {
font-size: 1.625rem;
font-weight: 800;
letter-spacing: -0.028em;
margin: 8px 0;
line-height: 1.25;
}
.welcome-kicker {
font-family: 'JetBrains Mono', monospace;
font-size: 0.625rem;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--accent);
margin: 0;
}
.welcome-sub {
color: var(--fg-2);
font-size: 0.9375rem;
line-height: 1.6;
margin: 0;
}
.chat-list {
list-style: none;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
gap: 12px;
}
.message {
max-width: 85%;
padding: 12px 14px;
border-radius: var(--r-3);
font-size: 0.9375rem;
line-height: 1.5;
animation: pop 0.2s var(--ease);
}
.message-user {
align-self: flex-end;
background: var(--accent-strong);
color: #fff;
border-bottom-right-radius: 4px;
}
.message-agent {
align-self: flex-start;
background: var(--bg-surface);
border: 1px solid var(--border);
border-bottom-left-radius: 4px;
}
.wursor-working {
color: var(--fg-2);
font-size: 0.8125rem;
padding: 12px 2px;
animation: pulse 1.2s ease-in-out infinite;
}
.chat-composer {
display: flex;
gap: 8px;
padding: 16px;
border-top: 1px solid var(--border);
}
.wursor-chat-input {
flex: 1;
background: var(--bg-input);
border: 1px solid var(--border-2);
border-radius: var(--r-2);
color: var(--fg);
padding: 12px 14px;
font-size: 0.9375rem;
outline: none;
}
.wursor-chat-input:focus {
border-color: var(--accent);
box-shadow: 0 0 0 3px var(--accent-bg);
}
.wursor-chat-send {
width: 44px;
background: var(--accent-strong);
color: #fff;
border: none;
border-radius: var(--r-2);
font-size: 1.2rem;
cursor: pointer;
transition: transform 0.12s var(--ease);
}
.wursor-chat-send:hover {
transform: translateY(-1px);
}
/* ---------- Preview ---------- */
.preview {
flex: 1;
display: grid;
place-items: center;
padding: 32px;
background-image: radial-gradient(circle, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
background-size: 24px 24px;
overflow: hidden;
}
.browser {
width: min(1000px, 100%);
height: min(640px, 100%);
background: #ffffff;
border-radius: var(--r-5);
box-shadow: var(--sh-product);
display: flex;
flex-direction: column;
overflow: hidden;
}
.browser-bar {
display: flex;
align-items: center;
gap: 8px;
padding: 12px 16px;
background: #f4f4f5;
border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}
.dot {
width: 11px;
height: 11px;
border-radius: 9999px;
}
.dot-red {
background: #ff5f57;
}
.dot-yellow {
background: #febc2e;
}
.dot-green {
background: #28c840;
}
.browser-url {
flex: 1;
text-align: center;
background: #fff;
border: 1px solid rgba(0, 0, 0, 0.07);
border-radius: 6px;
padding: 5px 12px;
font-size: 0.8125rem;
color: #71717a;
}
.preview-badge {
color: #047857;
font-size: 0.8125rem;
font-weight: 600;
}
.browser-body {
flex: 1;
overflow: auto;
background: #ffffff;
color: #0a0a0a;
}
.preview-working {
height: 100%;
display: grid;
place-items: center;
color: #71717a;
font-size: 0.9375rem;
animation: pulse 1.2s ease-in-out infinite;
}
.mock-site {
min-height: 100%;
display: flex;
flex-direction: column;
}
.mock-nav {
display: flex;
align-items: center;
gap: 24px;
padding: 20px 40px;
border-bottom: 1px solid rgba(0, 0, 0, 0.06);
font-size: 0.875rem;
color: #52525b;
}
.mock-brand {
font-weight: 700;
color: #0a0a0a;
}
.mock-hero {
padding: 80px 40px;
text-align: center;
}
.mock-hero h1 {
font-size: 2.5rem;
font-weight: 800;
letter-spacing: -0.03em;
color: #0a0a0a;
margin: 0 0 16px;
transition: opacity 0.3s var(--ease);
}
.mock-hero p {
color: #52525b;
max-width: 480px;
margin: 0 auto;
line-height: 1.7;
}
/* ---------- Approve bar ---------- */
.approve-bar {
position: absolute;
bottom: 24px;
left: 50%;
transform: translateX(-50%);
display: flex;
align-items: center;
gap: 10px;
background: rgba(28, 28, 34, 0.92);
backdrop-filter: blur(20px) saturate(1.6);
border: 1px solid var(--border-2);
border-radius: 9999px;
padding: 8px 10px 8px 20px;
box-shadow: var(--sh-lg);
animation: rise 0.25s var(--ease);
}
.approve-copy {
color: var(--fg-2);
font-size: 0.875rem;
}
.wursor-approve-button {
background: var(--accent-strong);
color: #fff;
border: none;
border-radius: 9999px;
padding: 10px 18px;
font-weight: 600;
font-size: 0.875rem;
cursor: pointer;
transition: transform 0.12s var(--ease), box-shadow 0.12s var(--ease);
}
.wursor-approve-button:hover {
transform: translateY(-1px);
box-shadow: 0 6px 16px rgba(0, 102, 255, 0.4);
}
.wursor-reject-button {
background: transparent;
color: var(--fg-2);
border: 1px solid var(--border-2);
border-radius: 9999px;
padding: 10px 18px;
font-weight: 600;
font-size: 0.875rem;
cursor: pointer;
transition: background 0.12s var(--ease);
}
.wursor-reject-button:hover {
background: var(--bg-surface);
}
/* ---------- Motion ---------- */
@keyframes pop {
from {
opacity: 0;
transform: translateY(6px);
}
to {
opacity: 1;
transform: none;
}
}
@keyframes rise {
from {
opacity: 0;
transform: translate(-50%, 12px);
}
to {
opacity: 1;
transform: translate(-50%, 0);
}
}
@keyframes pulse {
0%,
100% {
opacity: 0.5;
}
50% {
opacity: 1;
}
}
@media (max-width: 800px) {
.app-body {
flex-direction: column;
}
.chat {
width: 100%;
height: 50%;
border-right: none;
border-bottom: 1px solid var(--border);
}
.preview {
height: 50%;
padding: 16px;
}
}
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@@ -5,7 +5,8 @@
"outDir": "dist",
"rootDir": "src",
"lib": ["ES2022", "DOM", "DOM.Iterable"],
"noEmit": true
"noEmit": true,
"allowImportingTsExtensions": true
},
"include": ["src"]
}