Add Dev Hub for interactive design system demos and /dev/forms with validation examples
- **Design System Hub:** Introduce `/dev` as a central hub for interactive design system showcases (components, layouts, spacing, etc.). Includes live demos, highlights, and documentation links. - **Forms Demo:** Add `/dev/forms` for reactive forms with `react-hook-form` and `Zod`. Demonstrate validation patterns, error handling, loading states, and accessibility best practices. - **Features:** Showcase reusable `Example`, `ExampleSection`, and `BeforeAfter` components for better UI demonstration and code previews.
This commit is contained in:
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frontend/src/app/dev/forms/page.tsx
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591
frontend/src/app/dev/forms/page.tsx
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/**
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* Form Patterns Demo
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* Interactive demonstrations of form patterns with validation
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* Access: /dev/forms
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*/
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'use client';
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import { useState } from 'react';
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import Link from 'next/link';
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import { useForm } from 'react-hook-form';
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import { zodResolver } from '@hookform/resolvers/zod';
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import { z } from 'zod';
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import { ArrowLeft, CheckCircle2, Loader2 } from 'lucide-react';
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import { Button } from '@/components/ui/button';
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import {
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Card,
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CardContent,
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CardDescription,
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CardHeader,
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CardTitle,
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} from '@/components/ui/card';
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import { Input } from '@/components/ui/input';
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import { Label } from '@/components/ui/label';
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import { Textarea } from '@/components/ui/textarea';
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import {
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Select,
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SelectContent,
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SelectItem,
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SelectTrigger,
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SelectValue,
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} from '@/components/ui/select';
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import { Checkbox } from '@/components/ui/checkbox';
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import { Badge } from '@/components/ui/badge';
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import { Alert, AlertDescription, AlertTitle } from '@/components/ui/alert';
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import { Example, ExampleSection } from '@/components/dev/Example';
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import { BeforeAfter } from '@/components/dev/BeforeAfter';
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// Example schemas
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const loginSchema = z.object({
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email: z.string().email('Invalid email address'),
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password: z.string().min(8, 'Password must be at least 8 characters'),
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});
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const contactSchema = z.object({
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name: z.string().min(1, 'Name is required'),
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email: z.string().email('Invalid email address'),
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message: z.string().min(10, 'Message must be at least 10 characters'),
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category: z.string().min(1, 'Please select a category'),
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});
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type LoginForm = z.infer<typeof loginSchema>;
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type ContactForm = z.infer<typeof contactSchema>;
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export default function FormsPage() {
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const [isSubmitting, setIsSubmitting] = useState(false);
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const [submitSuccess, setSubmitSuccess] = useState(false);
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// Login form
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const {
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register: registerLogin,
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handleSubmit: handleSubmitLogin,
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formState: { errors: errorsLogin },
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} = useForm<LoginForm>({
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resolver: zodResolver(loginSchema),
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});
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// Contact form
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const {
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register: registerContact,
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handleSubmit: handleSubmitContact,
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formState: { errors: errorsContact },
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setValue: setValueContact,
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} = useForm<ContactForm>({
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resolver: zodResolver(contactSchema),
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});
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const onSubmitLogin = async (data: LoginForm) => {
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setIsSubmitting(true);
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setSubmitSuccess(false);
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// Simulate API call
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await new Promise((resolve) => setTimeout(resolve, 1500));
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console.log('Login form data:', data);
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setIsSubmitting(false);
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setSubmitSuccess(true);
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};
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const onSubmitContact = async (data: ContactForm) => {
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setIsSubmitting(true);
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setSubmitSuccess(false);
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// Simulate API call
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await new Promise((resolve) => setTimeout(resolve, 1500));
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console.log('Contact form data:', data);
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setIsSubmitting(false);
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setSubmitSuccess(true);
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};
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return (
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<div className="min-h-screen bg-background">
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{/* Header */}
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<header className="sticky top-0 z-50 w-full border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
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<div className="container mx-auto flex h-16 items-center gap-4 px-4">
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<Link href="/dev">
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<Button variant="ghost" size="icon" aria-label="Back to hub">
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<ArrowLeft className="h-5 w-5" />
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</Button>
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</Link>
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<div>
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<h1 className="text-xl font-bold">Form Patterns</h1>
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<p className="text-sm text-muted-foreground">
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react-hook-form + Zod validation examples
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</p>
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</div>
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</div>
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</header>
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{/* Content */}
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<main className="container mx-auto px-4 py-8">
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<div className="space-y-12">
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{/* Introduction */}
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<div className="max-w-3xl space-y-4">
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<p className="text-muted-foreground">
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Complete form implementations using react-hook-form for state management
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and Zod for validation. Includes error handling, loading states, and
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accessibility features.
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</p>
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<div className="flex flex-wrap gap-2">
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<Badge variant="outline">react-hook-form</Badge>
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<Badge variant="outline">Zod</Badge>
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<Badge variant="outline">Validation</Badge>
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<Badge variant="outline">ARIA</Badge>
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</div>
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</div>
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{/* Basic Form */}
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<ExampleSection
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id="basic-form"
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title="Basic Form with Validation"
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description="Login form with email and password validation"
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>
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<Example
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title="Login Form"
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description="Validates on submit, shows field-level errors"
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code={`const schema = z.object({
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email: z.string().email('Invalid email'),
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password: z.string().min(8, 'Min 8 chars'),
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});
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const { register, handleSubmit, formState: { errors } } = useForm({
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resolver: zodResolver(schema),
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});
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<form onSubmit={handleSubmit(onSubmit)} className="space-y-4">
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<div className="space-y-2">
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<Label htmlFor="email">Email</Label>
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<Input
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id="email"
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type="email"
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{...register('email')}
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aria-invalid={!!errors.email}
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/>
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{errors.email && (
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<p className="text-sm text-destructive">
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{errors.email.message}
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</p>
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)}
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</div>
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<Button type="submit" disabled={isSubmitting}>
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{isSubmitting ? <Loader2 className="animate-spin" /> : 'Submit'}
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</Button>
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</form>`}
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>
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<div className="max-w-md mx-auto">
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<form onSubmit={handleSubmitLogin(onSubmitLogin)} className="space-y-4">
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{/* Email */}
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<div className="space-y-2">
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<Label htmlFor="login-email">Email</Label>
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<Input
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id="login-email"
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type="email"
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placeholder="you@example.com"
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{...registerLogin('email')}
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aria-invalid={!!errorsLogin.email}
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aria-describedby={
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errorsLogin.email ? 'login-email-error' : undefined
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}
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/>
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{errorsLogin.email && (
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<p
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id="login-email-error"
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className="text-sm text-destructive"
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role="alert"
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>
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{errorsLogin.email.message}
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</p>
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)}
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</div>
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{/* Password */}
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<div className="space-y-2">
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<Label htmlFor="login-password">Password</Label>
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<Input
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id="login-password"
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type="password"
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placeholder="••••••••"
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{...registerLogin('password')}
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aria-invalid={!!errorsLogin.password}
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aria-describedby={
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errorsLogin.password ? 'login-password-error' : undefined
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}
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/>
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{errorsLogin.password && (
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<p
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id="login-password-error"
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className="text-sm text-destructive"
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role="alert"
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>
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{errorsLogin.password.message}
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</p>
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)}
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</div>
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{/* Submit */}
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<Button type="submit" className="w-full" disabled={isSubmitting}>
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{isSubmitting && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
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{isSubmitting ? 'Signing In...' : 'Sign In'}
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</Button>
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{/* Success Message */}
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{submitSuccess && (
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<Alert className="border-green-500 text-green-600 dark:border-green-400 dark:text-green-400">
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<CheckCircle2 className="h-4 w-4" />
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<AlertTitle>Success!</AlertTitle>
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<AlertDescription>Form submitted successfully.</AlertDescription>
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</Alert>
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)}
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</form>
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</div>
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</Example>
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</ExampleSection>
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{/* Complete Form */}
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<ExampleSection
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id="complete-form"
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title="Complete Form Example"
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description="Contact form with multiple field types"
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>
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<Example
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title="Contact Form"
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description="Text, textarea, select, and validation"
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code={`const schema = z.object({
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name: z.string().min(1, 'Name is required'),
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email: z.string().email('Invalid email'),
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message: z.string().min(10, 'Min 10 characters'),
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category: z.string().min(1, 'Select a category'),
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});
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<form onSubmit={handleSubmit(onSubmit)} className="space-y-4">
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{/* Input field */}
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<div className="space-y-2">
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<Label htmlFor="name">Name</Label>
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<Input {...register('name')} />
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{errors.name && <p className="text-sm text-destructive">{errors.name.message}</p>}
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</div>
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{/* Textarea field */}
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<div className="space-y-2">
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<Label htmlFor="message">Message</Label>
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<Textarea {...register('message')} rows={4} />
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{errors.message && <p className="text-sm text-destructive">{errors.message.message}</p>}
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</div>
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{/* Select field */}
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<div className="space-y-2">
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<Label htmlFor="category">Category</Label>
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<Select onValueChange={(value) => setValue('category', value)}>
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<SelectTrigger>
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<SelectValue placeholder="Select..." />
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</SelectTrigger>
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<SelectContent>
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<SelectItem value="support">Support</SelectItem>
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<SelectItem value="sales">Sales</SelectItem>
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</SelectContent>
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</Select>
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</div>
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<Button type="submit">Submit</Button>
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</form>`}
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>
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<div className="max-w-md mx-auto">
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<form
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onSubmit={handleSubmitContact(onSubmitContact)}
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className="space-y-4"
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>
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{/* Name */}
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<div className="space-y-2">
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<Label htmlFor="contact-name">Name</Label>
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<Input
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id="contact-name"
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placeholder="John Doe"
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{...registerContact('name')}
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aria-invalid={!!errorsContact.name}
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/>
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{errorsContact.name && (
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<p className="text-sm text-destructive" role="alert">
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{errorsContact.name.message}
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</p>
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)}
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</div>
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{/* Email */}
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<div className="space-y-2">
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<Label htmlFor="contact-email">Email</Label>
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<Input
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id="contact-email"
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type="email"
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placeholder="you@example.com"
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{...registerContact('email')}
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aria-invalid={!!errorsContact.email}
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/>
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{errorsContact.email && (
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<p className="text-sm text-destructive" role="alert">
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{errorsContact.email.message}
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</p>
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)}
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</div>
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{/* Category */}
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<div className="space-y-2">
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<Label htmlFor="contact-category">Category</Label>
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<Select
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onValueChange={(value) => setValueContact('category', value)}
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>
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<SelectTrigger id="contact-category">
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<SelectValue placeholder="Select a category" />
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</SelectTrigger>
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<SelectContent>
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<SelectItem value="support">Support</SelectItem>
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<SelectItem value="sales">Sales</SelectItem>
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<SelectItem value="feedback">Feedback</SelectItem>
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</SelectContent>
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</Select>
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{errorsContact.category && (
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<p className="text-sm text-destructive" role="alert">
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{errorsContact.category.message}
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</p>
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)}
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</div>
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{/* Message */}
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<div className="space-y-2">
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<Label htmlFor="contact-message">Message</Label>
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<Textarea
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id="contact-message"
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placeholder="Type your message here..."
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rows={4}
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{...registerContact('message')}
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aria-invalid={!!errorsContact.message}
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/>
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{errorsContact.message && (
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<p className="text-sm text-destructive" role="alert">
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{errorsContact.message.message}
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</p>
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)}
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</div>
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{/* Submit */}
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<Button type="submit" className="w-full" disabled={isSubmitting}>
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{isSubmitting && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
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{isSubmitting ? 'Sending...' : 'Send Message'}
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</Button>
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{/* Success Message */}
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{submitSuccess && (
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<Alert className="border-green-500 text-green-600 dark:border-green-400 dark:text-green-400">
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<CheckCircle2 className="h-4 w-4" />
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<AlertTitle>Success!</AlertTitle>
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<AlertDescription>
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Your message has been sent successfully.
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</AlertDescription>
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</Alert>
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)}
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</form>
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</div>
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</Example>
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</ExampleSection>
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{/* Error States */}
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<ExampleSection
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id="error-states"
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title="Error State Handling"
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description="Proper ARIA attributes and visual feedback"
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>
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<BeforeAfter
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title="Error State Best Practices"
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description="Use aria-invalid and aria-describedby for accessibility"
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before={{
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caption: "No ARIA attributes, poor accessibility",
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content: (
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<div className="space-y-2 rounded-lg border p-4">
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<div className="text-sm font-medium">Email</div>
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<div className="h-10 rounded-md border border-destructive bg-background"></div>
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<p className="text-sm text-destructive">Invalid email address</p>
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</div>
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),
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}}
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after={{
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caption: "With ARIA, screen reader accessible",
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content: (
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<div className="space-y-2 rounded-lg border p-4">
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<div className="text-sm font-medium">Email</div>
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<div
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className="h-10 rounded-md border border-destructive bg-background"
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role="textbox"
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aria-invalid="true"
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aria-describedby="email-error"
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>
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<span className="sr-only">Email input with error</span>
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</div>
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<p id="email-error" className="text-sm text-destructive" role="alert">
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Invalid email address
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</p>
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</div>
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),
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}}
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/>
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<Card className="mt-6">
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<CardHeader>
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<CardTitle className="text-base">Error Handling Checklist</CardTitle>
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</CardHeader>
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<CardContent>
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<ul className="space-y-2 text-sm">
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<li className="flex items-start gap-2">
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<CheckCircle2 className="h-4 w-4 text-green-600 mt-0.5" />
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<span>Add <code className="text-xs">aria-invalid=true</code> to invalid inputs</span>
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</li>
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<li className="flex items-start gap-2">
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<CheckCircle2 className="h-4 w-4 text-green-600 mt-0.5" />
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<span>Link errors with <code className="text-xs">aria-describedby</code></span>
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</li>
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<li className="flex items-start gap-2">
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<CheckCircle2 className="h-4 w-4 text-green-600 mt-0.5" />
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<span>Add <code className="text-xs">role="alert"</code> to error messages</span>
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</li>
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<li className="flex items-start gap-2">
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<CheckCircle2 className="h-4 w-4 text-green-600 mt-0.5" />
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<span>Visual indicator (red border, icon)</span>
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</li>
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<li className="flex items-start gap-2">
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<CheckCircle2 className="h-4 w-4 text-green-600 mt-0.5" />
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<span>Clear error message text</span>
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</li>
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</ul>
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</CardContent>
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</Card>
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</ExampleSection>
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{/* Loading States */}
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<ExampleSection
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id="loading-states"
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title="Loading States"
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description="Proper feedback during async operations"
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>
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<div className="grid gap-6 lg:grid-cols-2">
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<Card>
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<CardHeader>
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<CardTitle className="text-base">Button Loading State</CardTitle>
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</CardHeader>
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<CardContent className="space-y-4">
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<code className="text-xs block">
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{`<Button disabled={isLoading}>
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{isLoading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
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{isLoading ? 'Saving...' : 'Save'}
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</Button>`}
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</code>
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<div className="flex gap-2">
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<Button size="sm">Save</Button>
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<Button size="sm" disabled>
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<Loader2 className="mr-2 h-4 w-4 animate-spin" />
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Saving...
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</Button>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">Form Disabled State</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<code className="text-xs block mb-3">
|
||||
{`<fieldset disabled={isLoading}>
|
||||
<Input />
|
||||
<Button type="submit" />
|
||||
</fieldset>`}
|
||||
</code>
|
||||
<div className="space-y-2 opacity-60">
|
||||
<Input placeholder="Disabled input" disabled />
|
||||
<Button size="sm" disabled className="w-full">
|
||||
Disabled Button
|
||||
</Button>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
</ExampleSection>
|
||||
|
||||
{/* Zod Patterns */}
|
||||
<ExampleSection
|
||||
id="zod-patterns"
|
||||
title="Common Zod Validation Patterns"
|
||||
description="Reusable validation schemas"
|
||||
>
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle>Validation Pattern Library</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="space-y-4">
|
||||
<div className="space-y-2">
|
||||
<div className="font-medium text-sm">Required String</div>
|
||||
<code className="block rounded bg-muted p-2 text-xs">
|
||||
z.string().min(1, "Required")
|
||||
</code>
|
||||
</div>
|
||||
|
||||
<div className="space-y-2">
|
||||
<div className="font-medium text-sm">Email</div>
|
||||
<code className="block rounded bg-muted p-2 text-xs">
|
||||
z.string().email("Invalid email")
|
||||
</code>
|
||||
</div>
|
||||
|
||||
<div className="space-y-2">
|
||||
<div className="font-medium text-sm">Password (min length)</div>
|
||||
<code className="block rounded bg-muted p-2 text-xs">
|
||||
z.string().min(8, "Min 8 characters")
|
||||
</code>
|
||||
</div>
|
||||
|
||||
<div className="space-y-2">
|
||||
<div className="font-medium text-sm">Number Range</div>
|
||||
<code className="block rounded bg-muted p-2 text-xs">
|
||||
z.coerce.number().min(0).max(100)
|
||||
</code>
|
||||
</div>
|
||||
|
||||
<div className="space-y-2">
|
||||
<div className="font-medium text-sm">Optional Field</div>
|
||||
<code className="block rounded bg-muted p-2 text-xs">
|
||||
z.string().optional()
|
||||
</code>
|
||||
</div>
|
||||
|
||||
<div className="space-y-2">
|
||||
<div className="font-medium text-sm">Password Confirmation</div>
|
||||
<code className="block rounded bg-muted p-2 text-xs">
|
||||
{`z.object({
|
||||
password: z.string().min(8),
|
||||
confirmPassword: z.string()
|
||||
}).refine(data => data.password === data.confirmPassword, {
|
||||
message: "Passwords don't match",
|
||||
path: ["confirmPassword"]
|
||||
})`}
|
||||
</code>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</ExampleSection>
|
||||
</div>
|
||||
</main>
|
||||
|
||||
{/* Footer */}
|
||||
<footer className="mt-16 border-t py-6">
|
||||
<div className="container mx-auto px-4 text-center">
|
||||
<p className="text-sm text-muted-foreground">
|
||||
Learn more:{' '}
|
||||
<a
|
||||
href="/docs/design-system/06-forms.md"
|
||||
target="_blank"
|
||||
rel="noopener noreferrer"
|
||||
className="font-medium hover:text-foreground"
|
||||
>
|
||||
Forms Documentation
|
||||
</a>
|
||||
</p>
|
||||
</div>
|
||||
</footer>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
524
frontend/src/app/dev/layouts/page.tsx
Normal file
524
frontend/src/app/dev/layouts/page.tsx
Normal file
@@ -0,0 +1,524 @@
|
||||
/**
|
||||
* Layout Patterns Demo
|
||||
* Interactive demonstrations of essential layout patterns
|
||||
* Access: /dev/layouts
|
||||
*/
|
||||
|
||||
import type { Metadata } from 'next';
|
||||
import Link from 'next/link';
|
||||
import { ArrowLeft, Grid3x3, LayoutDashboard } from 'lucide-react';
|
||||
import { Button } from '@/components/ui/button';
|
||||
import {
|
||||
Card,
|
||||
CardContent,
|
||||
CardDescription,
|
||||
CardHeader,
|
||||
CardTitle,
|
||||
} from '@/components/ui/card';
|
||||
import { Badge } from '@/components/ui/badge';
|
||||
import { Example, ExampleSection } from '@/components/dev/Example';
|
||||
import { BeforeAfter } from '@/components/dev/BeforeAfter';
|
||||
|
||||
export const metadata: Metadata = {
|
||||
title: 'Layout Patterns | Dev',
|
||||
description: 'Essential layout patterns with before/after examples',
|
||||
};
|
||||
|
||||
export default function LayoutsPage() {
|
||||
return (
|
||||
<div className="min-h-screen bg-background">
|
||||
{/* Header */}
|
||||
<header className="sticky top-0 z-50 w-full border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
|
||||
<div className="container mx-auto flex h-16 items-center gap-4 px-4">
|
||||
<Link href="/dev">
|
||||
<Button variant="ghost" size="icon" aria-label="Back to hub">
|
||||
<ArrowLeft className="h-5 w-5" />
|
||||
</Button>
|
||||
</Link>
|
||||
<div>
|
||||
<h1 className="text-xl font-bold">Layout Patterns</h1>
|
||||
<p className="text-sm text-muted-foreground">
|
||||
Essential patterns for pages, dashboards, and forms
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
</header>
|
||||
|
||||
{/* Content */}
|
||||
<main className="container mx-auto px-4 py-8">
|
||||
<div className="space-y-12">
|
||||
{/* Introduction */}
|
||||
<div className="max-w-3xl space-y-4">
|
||||
<p className="text-muted-foreground">
|
||||
These 5 essential layout patterns cover 80% of interface needs. Each
|
||||
pattern includes live examples, before/after comparisons, and copy-paste
|
||||
code.
|
||||
</p>
|
||||
<div className="flex flex-wrap gap-2">
|
||||
<Badge variant="outline">Grid vs Flex</Badge>
|
||||
<Badge variant="outline">Responsive</Badge>
|
||||
<Badge variant="outline">Mobile-first</Badge>
|
||||
<Badge variant="outline">Best practices</Badge>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* 1. Page Container */}
|
||||
<ExampleSection
|
||||
id="page-container"
|
||||
title="1. Page Container"
|
||||
description="Standard page layout with constrained width"
|
||||
>
|
||||
<Example
|
||||
title="Page Container Pattern"
|
||||
description="Responsive container with padding and max-width"
|
||||
code={`<div className="container mx-auto px-4 py-8">
|
||||
<div className="max-w-4xl mx-auto space-y-6">
|
||||
<h1 className="text-3xl font-bold">Page Title</h1>
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle>Content Card</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<p>Your main content goes here.</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
</div>`}
|
||||
>
|
||||
<div className="rounded-lg border bg-muted/30 p-2">
|
||||
<div className="container mx-auto px-4 py-8 bg-background rounded">
|
||||
<div className="max-w-4xl mx-auto space-y-6">
|
||||
<h2 className="text-2xl font-bold">Page Title</h2>
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle>Content Card</CardTitle>
|
||||
<CardDescription>
|
||||
Constrained to max-w-4xl for readability
|
||||
</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<p className="text-sm text-muted-foreground">
|
||||
Your main content goes here. The max-w-4xl constraint
|
||||
ensures comfortable reading width.
|
||||
</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</Example>
|
||||
|
||||
<BeforeAfter
|
||||
title="Common Mistake: No Width Constraint"
|
||||
description="Content should not span full viewport width"
|
||||
before={{
|
||||
caption: "No max-width, hard to read on wide screens",
|
||||
content: (
|
||||
<div className="w-full space-y-4 bg-background p-4 rounded">
|
||||
<h3 className="font-semibold">Full Width Content</h3>
|
||||
<p className="text-sm text-muted-foreground">
|
||||
This text spans the entire width, making it hard to read on
|
||||
large screens. Lines become too long.
|
||||
</p>
|
||||
</div>
|
||||
),
|
||||
}}
|
||||
after={{
|
||||
caption: "Constrained with max-w for better readability",
|
||||
content: (
|
||||
<div className="max-w-2xl mx-auto space-y-4 bg-background p-4 rounded">
|
||||
<h3 className="font-semibold">Constrained Content</h3>
|
||||
<p className="text-sm text-muted-foreground">
|
||||
This text has a max-width, creating comfortable line lengths
|
||||
for reading.
|
||||
</p>
|
||||
</div>
|
||||
),
|
||||
}}
|
||||
/>
|
||||
</ExampleSection>
|
||||
|
||||
{/* 2. Dashboard Grid */}
|
||||
<ExampleSection
|
||||
id="dashboard-grid"
|
||||
title="2. Dashboard Grid"
|
||||
description="Responsive card grid for metrics and data"
|
||||
>
|
||||
<Example
|
||||
title="Responsive Grid Pattern"
|
||||
description="1 → 2 → 3 columns progression with grid"
|
||||
code={`<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
|
||||
{items.map(item => (
|
||||
<Card key={item.id}>
|
||||
<CardHeader>
|
||||
<CardTitle>{item.title}</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent>{item.content}</CardContent>
|
||||
</Card>
|
||||
))}
|
||||
</div>`}
|
||||
>
|
||||
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
|
||||
{[1, 2, 3, 4, 5, 6].map((i) => (
|
||||
<Card key={i}>
|
||||
<CardHeader className="pb-2">
|
||||
<CardTitle className="text-sm font-medium">
|
||||
Metric {i}
|
||||
</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<div className="text-2xl font-bold">
|
||||
{(Math.random() * 1000).toFixed(0)}
|
||||
</div>
|
||||
<p className="text-xs text-muted-foreground mt-1">
|
||||
+{(Math.random() * 20).toFixed(1)}% from last month
|
||||
</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
))}
|
||||
</div>
|
||||
</Example>
|
||||
|
||||
<BeforeAfter
|
||||
title="Grid vs Flex for Equal Columns"
|
||||
description="Use Grid for equal-width columns, not Flex"
|
||||
before={{
|
||||
caption: "flex with flex-1 - uneven wrapping",
|
||||
content: (
|
||||
<div className="flex flex-wrap gap-4">
|
||||
<div className="flex-1 min-w-[200px] rounded border bg-background p-4">
|
||||
<div className="text-xs">flex-1</div>
|
||||
</div>
|
||||
<div className="flex-1 min-w-[200px] rounded border bg-background p-4">
|
||||
<div className="text-xs">flex-1</div>
|
||||
</div>
|
||||
<div className="flex-1 min-w-[200px] rounded border bg-background p-4">
|
||||
<div className="text-xs">flex-1 (odd one out)</div>
|
||||
</div>
|
||||
</div>
|
||||
),
|
||||
}}
|
||||
after={{
|
||||
caption: "grid with grid-cols - consistent sizing",
|
||||
content: (
|
||||
<div className="grid grid-cols-1 sm:grid-cols-3 gap-4">
|
||||
<div className="rounded border bg-background p-4">
|
||||
<div className="text-xs">grid-cols</div>
|
||||
</div>
|
||||
<div className="rounded border bg-background p-4">
|
||||
<div className="text-xs">grid-cols</div>
|
||||
</div>
|
||||
<div className="rounded border bg-background p-4">
|
||||
<div className="text-xs">grid-cols (perfect)</div>
|
||||
</div>
|
||||
</div>
|
||||
),
|
||||
}}
|
||||
/>
|
||||
</ExampleSection>
|
||||
|
||||
{/* 3. Form Layout */}
|
||||
<ExampleSection
|
||||
id="form-layout"
|
||||
title="3. Form Layout"
|
||||
description="Centered form with appropriate max-width"
|
||||
>
|
||||
<Example
|
||||
title="Centered Form Pattern"
|
||||
description="Form constrained to max-w-md"
|
||||
code={`<div className="container mx-auto px-4 py-8">
|
||||
<Card className="max-w-md mx-auto">
|
||||
<CardHeader>
|
||||
<CardTitle>Login</CardTitle>
|
||||
<CardDescription>Enter your credentials</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<form className="space-y-4">
|
||||
{/* Form fields */}
|
||||
</form>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>`}
|
||||
>
|
||||
<div className="container mx-auto px-4 py-8">
|
||||
<Card className="max-w-md mx-auto">
|
||||
<CardHeader>
|
||||
<CardTitle>Login</CardTitle>
|
||||
<CardDescription>
|
||||
Enter your credentials to continue
|
||||
</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<form className="space-y-4">
|
||||
<div className="space-y-2">
|
||||
<div className="text-sm font-medium">Email</div>
|
||||
<div className="h-10 rounded-md border bg-background"></div>
|
||||
</div>
|
||||
<div className="space-y-2">
|
||||
<div className="text-sm font-medium">Password</div>
|
||||
<div className="h-10 rounded-md border bg-background"></div>
|
||||
</div>
|
||||
<Button className="w-full">Sign In</Button>
|
||||
</form>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
</Example>
|
||||
</ExampleSection>
|
||||
|
||||
{/* 4. Sidebar Layout */}
|
||||
<ExampleSection
|
||||
id="sidebar-layout"
|
||||
title="4. Sidebar Layout"
|
||||
description="Two-column layout with fixed sidebar"
|
||||
>
|
||||
<Example
|
||||
title="Sidebar + Main Content"
|
||||
description="Grid with fixed sidebar width"
|
||||
code={`<div className="grid lg:grid-cols-[240px_1fr] gap-6">
|
||||
{/* Sidebar */}
|
||||
<aside className="space-y-4">
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle>Navigation</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent>{/* Nav items */}</CardContent>
|
||||
</Card>
|
||||
</aside>
|
||||
|
||||
{/* Main Content */}
|
||||
<main className="space-y-4">
|
||||
<Card>{/* Content */}</Card>
|
||||
</main>
|
||||
</div>`}
|
||||
>
|
||||
<div className="grid lg:grid-cols-[240px_1fr] gap-6">
|
||||
{/* Sidebar */}
|
||||
<aside className="space-y-4">
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">Navigation</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="space-y-2">
|
||||
{['Dashboard', 'Settings', 'Profile'].map((item) => (
|
||||
<div
|
||||
key={item}
|
||||
className="rounded-md bg-muted px-3 py-2 text-sm"
|
||||
>
|
||||
{item}
|
||||
</div>
|
||||
))}
|
||||
</CardContent>
|
||||
</Card>
|
||||
</aside>
|
||||
|
||||
{/* Main Content */}
|
||||
<main className="space-y-4">
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle>Main Content</CardTitle>
|
||||
<CardDescription>
|
||||
Fixed 240px sidebar, fluid main area
|
||||
</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<p className="text-sm text-muted-foreground">
|
||||
The sidebar remains 240px wide while the main content area
|
||||
flexes to fill remaining space.
|
||||
</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</main>
|
||||
</div>
|
||||
</Example>
|
||||
</ExampleSection>
|
||||
|
||||
{/* 5. Centered Content */}
|
||||
<ExampleSection
|
||||
id="centered-content"
|
||||
title="5. Centered Content"
|
||||
description="Vertically and horizontally centered layouts"
|
||||
>
|
||||
<Example
|
||||
title="Center with Flexbox"
|
||||
description="Full-height centered content"
|
||||
code={`<div className="flex min-h-screen items-center justify-center">
|
||||
<Card className="max-w-md w-full">
|
||||
<CardHeader>
|
||||
<CardTitle>Centered Card</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<p>Content perfectly centered on screen.</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>`}
|
||||
>
|
||||
<div className="flex min-h-[400px] items-center justify-center rounded-lg border bg-muted/30 p-4">
|
||||
<Card className="max-w-sm w-full">
|
||||
<CardHeader>
|
||||
<CardTitle>Centered Card</CardTitle>
|
||||
<CardDescription>
|
||||
Centered vertically and horizontally
|
||||
</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<p className="text-sm text-muted-foreground">
|
||||
Perfect for login screens, error pages, and loading states.
|
||||
</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
</Example>
|
||||
</ExampleSection>
|
||||
|
||||
{/* Decision Tree */}
|
||||
<ExampleSection
|
||||
id="decision-tree"
|
||||
title="Decision Tree: Grid vs Flex"
|
||||
description="When to use each layout method"
|
||||
>
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<div className="flex items-center gap-2">
|
||||
<Grid3x3 className="h-5 w-5 text-primary" />
|
||||
<CardTitle>Grid vs Flex Quick Guide</CardTitle>
|
||||
</div>
|
||||
</CardHeader>
|
||||
<CardContent className="space-y-6">
|
||||
<div className="space-y-4">
|
||||
<div className="space-y-2">
|
||||
<div className="flex items-center gap-2">
|
||||
<Badge variant="default">Use Grid</Badge>
|
||||
<span className="text-sm font-medium">When you need...</span>
|
||||
</div>
|
||||
<ul className="ml-6 space-y-1 text-sm text-muted-foreground list-disc">
|
||||
<li>Equal-width columns (dashboard cards)</li>
|
||||
<li>2D layout (rows AND columns)</li>
|
||||
<li>Consistent grid structure</li>
|
||||
<li>Auto-fill/auto-fit responsive grids</li>
|
||||
</ul>
|
||||
<div className="rounded-lg border bg-muted/30 p-3 font-mono text-xs">
|
||||
grid grid-cols-3 gap-6
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="space-y-2">
|
||||
<div className="flex items-center gap-2">
|
||||
<Badge variant="secondary">Use Flex</Badge>
|
||||
<span className="text-sm font-medium">When you need...</span>
|
||||
</div>
|
||||
<ul className="ml-6 space-y-1 text-sm text-muted-foreground list-disc">
|
||||
<li>Variable-width items (buttons, tags)</li>
|
||||
<li>1D layout (row OR column)</li>
|
||||
<li>Center alignment</li>
|
||||
<li>Space-between/around distribution</li>
|
||||
</ul>
|
||||
<div className="rounded-lg border bg-muted/30 p-3 font-mono text-xs">
|
||||
flex gap-4 items-center
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</ExampleSection>
|
||||
|
||||
{/* Responsive Patterns */}
|
||||
<ExampleSection
|
||||
id="responsive"
|
||||
title="Responsive Patterns"
|
||||
description="Mobile-first breakpoint strategies"
|
||||
>
|
||||
<div className="grid gap-6 lg:grid-cols-2">
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">1 → 2 → 3 Progression</CardTitle>
|
||||
<CardDescription>Most common pattern</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<code className="text-xs">
|
||||
grid-cols-1 md:grid-cols-2 lg:grid-cols-3
|
||||
</code>
|
||||
<p className="mt-2 text-sm text-muted-foreground">
|
||||
Mobile: 1 column
|
||||
<br />
|
||||
Tablet: 2 columns
|
||||
<br />
|
||||
Desktop: 3 columns
|
||||
</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">1 → 2 → 4 Progression</CardTitle>
|
||||
<CardDescription>For smaller cards</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<code className="text-xs">
|
||||
grid-cols-1 md:grid-cols-2 lg:grid-cols-4
|
||||
</code>
|
||||
<p className="mt-2 text-sm text-muted-foreground">
|
||||
Mobile: 1 column
|
||||
<br />
|
||||
Tablet: 2 columns
|
||||
<br />
|
||||
Desktop: 4 columns
|
||||
</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">Stack → Row</CardTitle>
|
||||
<CardDescription>Form buttons, toolbars</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<code className="text-xs">flex flex-col sm:flex-row</code>
|
||||
<p className="mt-2 text-sm text-muted-foreground">
|
||||
Mobile: Stacked vertically
|
||||
<br />
|
||||
Tablet+: Horizontal row
|
||||
</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">Hide Sidebar</CardTitle>
|
||||
<CardDescription>Mobile navigation</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<code className="text-xs">
|
||||
hidden lg:block
|
||||
</code>
|
||||
<p className="mt-2 text-sm text-muted-foreground">
|
||||
Mobile: Hidden (use menu)
|
||||
<br />
|
||||
Desktop: Visible sidebar
|
||||
</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
</ExampleSection>
|
||||
</div>
|
||||
</main>
|
||||
|
||||
{/* Footer */}
|
||||
<footer className="mt-16 border-t py-6">
|
||||
<div className="container mx-auto px-4 text-center">
|
||||
<p className="text-sm text-muted-foreground">
|
||||
Learn more:{' '}
|
||||
<a
|
||||
href="/docs/design-system/03-layouts.md"
|
||||
target="_blank"
|
||||
rel="noopener noreferrer"
|
||||
className="font-medium hover:text-foreground"
|
||||
>
|
||||
Layout Documentation
|
||||
</a>
|
||||
</p>
|
||||
</div>
|
||||
</footer>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
309
frontend/src/app/dev/page.tsx
Normal file
309
frontend/src/app/dev/page.tsx
Normal file
@@ -0,0 +1,309 @@
|
||||
/**
|
||||
* Design System Hub
|
||||
* Central landing page for all interactive design system demonstrations
|
||||
* Access: /dev
|
||||
*/
|
||||
|
||||
import type { Metadata } from 'next';
|
||||
import Link from 'next/link';
|
||||
import {
|
||||
Palette,
|
||||
Layout,
|
||||
Ruler,
|
||||
FileText,
|
||||
BookOpen,
|
||||
ArrowRight,
|
||||
Sparkles,
|
||||
} from 'lucide-react';
|
||||
import { Button } from '@/components/ui/button';
|
||||
import {
|
||||
Card,
|
||||
CardContent,
|
||||
CardDescription,
|
||||
CardHeader,
|
||||
CardTitle,
|
||||
} from '@/components/ui/card';
|
||||
import { Badge } from '@/components/ui/badge';
|
||||
import { Separator } from '@/components/ui/separator';
|
||||
|
||||
export const metadata: Metadata = {
|
||||
title: 'Design System Hub | Dev',
|
||||
description: 'Interactive demonstrations and documentation for the FastNext design system',
|
||||
};
|
||||
|
||||
const demoPages = [
|
||||
{
|
||||
title: 'Components',
|
||||
description: 'Explore all shadcn/ui components with live examples and copy-paste code',
|
||||
href: '/dev/components',
|
||||
icon: Palette,
|
||||
status: 'enhanced' as const,
|
||||
highlights: ['All variants', 'Interactive demos', 'Copy-paste code'],
|
||||
},
|
||||
{
|
||||
title: 'Layouts',
|
||||
description: 'Essential layout patterns for pages, dashboards, forms, and content',
|
||||
href: '/dev/layouts',
|
||||
icon: Layout,
|
||||
status: 'new' as const,
|
||||
highlights: ['Grid vs Flex', 'Responsive patterns', 'Before/after examples'],
|
||||
},
|
||||
{
|
||||
title: 'Spacing',
|
||||
description: 'Visual demonstrations of spacing philosophy and best practices',
|
||||
href: '/dev/spacing',
|
||||
icon: Ruler,
|
||||
status: 'new' as const,
|
||||
highlights: ['Parent-controlled', 'Gap vs Space-y', 'Anti-patterns'],
|
||||
},
|
||||
{
|
||||
title: 'Forms',
|
||||
description: 'Complete form implementations with validation and error handling',
|
||||
href: '/dev/forms',
|
||||
icon: FileText,
|
||||
status: 'new' as const,
|
||||
highlights: ['react-hook-form', 'Zod validation', 'Loading states'],
|
||||
},
|
||||
];
|
||||
|
||||
const documentationLinks = [
|
||||
{
|
||||
title: 'Quick Start',
|
||||
description: '5-minute crash course',
|
||||
href: '/docs/design-system/00-quick-start.md',
|
||||
},
|
||||
{
|
||||
title: 'Complete Documentation',
|
||||
description: 'Full design system guide',
|
||||
href: '/docs/design-system/README.md',
|
||||
},
|
||||
{
|
||||
title: 'AI Guidelines',
|
||||
description: 'Rules for AI code generation',
|
||||
href: '/docs/design-system/08-ai-guidelines.md',
|
||||
},
|
||||
{
|
||||
title: 'Quick Reference',
|
||||
description: 'Cheat sheet for lookups',
|
||||
href: '/docs/design-system/99-reference.md',
|
||||
},
|
||||
];
|
||||
|
||||
export default function DesignSystemHub() {
|
||||
return (
|
||||
<div className="min-h-screen bg-background">
|
||||
{/* Header */}
|
||||
<header className="border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
|
||||
<div className="container mx-auto px-4 py-8">
|
||||
<div className="space-y-4">
|
||||
<div className="flex items-center gap-2">
|
||||
<Sparkles className="h-8 w-8 text-primary" />
|
||||
<h1 className="text-4xl font-bold tracking-tight">
|
||||
Design System Hub
|
||||
</h1>
|
||||
</div>
|
||||
<p className="text-lg text-muted-foreground max-w-2xl">
|
||||
Interactive demonstrations, live examples, and copy-paste code for
|
||||
the FastNext design system. Built with shadcn/ui + Tailwind CSS 4.
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
</header>
|
||||
|
||||
{/* Main Content */}
|
||||
<main className="container mx-auto px-4 py-12">
|
||||
<div className="space-y-12">
|
||||
{/* Demo Pages Grid */}
|
||||
<section className="space-y-6">
|
||||
<div>
|
||||
<h2 className="text-2xl font-semibold tracking-tight">
|
||||
Interactive Demonstrations
|
||||
</h2>
|
||||
<p className="text-sm text-muted-foreground mt-2">
|
||||
Explore live examples with copy-paste code snippets
|
||||
</p>
|
||||
</div>
|
||||
|
||||
<div className="grid gap-6 md:grid-cols-2">
|
||||
{demoPages.map((page) => {
|
||||
const Icon = page.icon;
|
||||
return (
|
||||
<Card
|
||||
key={page.href}
|
||||
className="group relative overflow-hidden transition-all hover:border-primary/50"
|
||||
>
|
||||
<CardHeader>
|
||||
<div className="flex items-start justify-between">
|
||||
<div className="rounded-lg bg-primary/10 p-2">
|
||||
<Icon className="h-6 w-6 text-primary" />
|
||||
</div>
|
||||
{page.status === 'new' && (
|
||||
<Badge variant="default" className="gap-1">
|
||||
<Sparkles className="h-3 w-3" />
|
||||
New
|
||||
</Badge>
|
||||
)}
|
||||
{page.status === 'enhanced' && (
|
||||
<Badge variant="secondary">Enhanced</Badge>
|
||||
)}
|
||||
</div>
|
||||
<CardTitle className="mt-4">{page.title}</CardTitle>
|
||||
<CardDescription>{page.description}</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent className="space-y-4">
|
||||
{/* Highlights */}
|
||||
<div className="flex flex-wrap gap-2">
|
||||
{page.highlights.map((highlight) => (
|
||||
<Badge key={highlight} variant="outline" className="text-xs">
|
||||
{highlight}
|
||||
</Badge>
|
||||
))}
|
||||
</div>
|
||||
|
||||
{/* CTA */}
|
||||
<Link href={page.href} className="block">
|
||||
<Button className="w-full gap-2 group-hover:bg-primary/90">
|
||||
Explore {page.title}
|
||||
<ArrowRight className="h-4 w-4 transition-transform group-hover:translate-x-1" />
|
||||
</Button>
|
||||
</Link>
|
||||
</CardContent>
|
||||
</Card>
|
||||
);
|
||||
})}
|
||||
</div>
|
||||
</section>
|
||||
|
||||
<Separator />
|
||||
|
||||
{/* Documentation Links */}
|
||||
<section className="space-y-6">
|
||||
<div>
|
||||
<h2 className="text-2xl font-semibold tracking-tight flex items-center gap-2">
|
||||
<BookOpen className="h-6 w-6" />
|
||||
Documentation
|
||||
</h2>
|
||||
<p className="text-sm text-muted-foreground mt-2">
|
||||
Comprehensive guides and reference materials
|
||||
</p>
|
||||
</div>
|
||||
|
||||
<div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-4">
|
||||
{documentationLinks.map((link) => (
|
||||
<a
|
||||
key={link.href}
|
||||
href={link.href}
|
||||
target="_blank"
|
||||
rel="noopener noreferrer"
|
||||
className="group"
|
||||
>
|
||||
<Card className="h-full transition-all hover:border-primary/50 hover:bg-accent/50">
|
||||
<CardHeader className="space-y-1">
|
||||
<CardTitle className="text-base group-hover:text-primary transition-colors">
|
||||
{link.title}
|
||||
</CardTitle>
|
||||
<CardDescription className="text-xs">
|
||||
{link.description}
|
||||
</CardDescription>
|
||||
</CardHeader>
|
||||
</Card>
|
||||
</a>
|
||||
))}
|
||||
</div>
|
||||
</section>
|
||||
|
||||
<Separator />
|
||||
|
||||
{/* Key Features */}
|
||||
<section className="space-y-6">
|
||||
<h2 className="text-2xl font-semibold tracking-tight">
|
||||
Key Features
|
||||
</h2>
|
||||
|
||||
<div className="grid gap-6 sm:grid-cols-2 lg:grid-cols-3">
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">🎨 OKLCH Color System</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="text-sm text-muted-foreground">
|
||||
Perceptually uniform colors with semantic tokens for consistent theming
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">📏 Parent-Controlled Spacing</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="text-sm text-muted-foreground">
|
||||
Consistent spacing philosophy using gap and space-y utilities
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">♿ WCAG AA Compliant</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="text-sm text-muted-foreground">
|
||||
Full accessibility support with keyboard navigation and screen readers
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">📱 Mobile-First Responsive</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="text-sm text-muted-foreground">
|
||||
Tailwind breakpoints with progressive enhancement
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">🤖 AI-Optimized</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="text-sm text-muted-foreground">
|
||||
Dedicated guidelines for Claude Code, Cursor, and GitHub Copilot
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">🚀 Production-Ready</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="text-sm text-muted-foreground">
|
||||
Battle-tested patterns with real-world examples
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
</section>
|
||||
</div>
|
||||
</main>
|
||||
|
||||
{/* Footer */}
|
||||
<footer className="mt-16 border-t py-8">
|
||||
<div className="container mx-auto px-4 text-center text-sm text-muted-foreground">
|
||||
<p>
|
||||
FastNext Design System • Built with{' '}
|
||||
<a
|
||||
href="https://ui.shadcn.com"
|
||||
target="_blank"
|
||||
rel="noopener noreferrer"
|
||||
className="font-medium hover:text-foreground"
|
||||
>
|
||||
shadcn/ui
|
||||
</a>
|
||||
{' + '}
|
||||
<a
|
||||
href="https://tailwindcss.com"
|
||||
target="_blank"
|
||||
rel="noopener noreferrer"
|
||||
className="font-medium hover:text-foreground"
|
||||
>
|
||||
Tailwind CSS 4
|
||||
</a>
|
||||
</p>
|
||||
</div>
|
||||
</footer>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
522
frontend/src/app/dev/spacing/page.tsx
Normal file
522
frontend/src/app/dev/spacing/page.tsx
Normal file
@@ -0,0 +1,522 @@
|
||||
/**
|
||||
* Spacing Patterns Demo
|
||||
* Interactive demonstrations of spacing philosophy and best practices
|
||||
* Access: /dev/spacing
|
||||
*/
|
||||
|
||||
import type { Metadata } from 'next';
|
||||
import Link from 'next/link';
|
||||
import { ArrowLeft, Ruler } from 'lucide-react';
|
||||
import { Button } from '@/components/ui/button';
|
||||
import {
|
||||
Card,
|
||||
CardContent,
|
||||
CardDescription,
|
||||
CardHeader,
|
||||
CardTitle,
|
||||
} from '@/components/ui/card';
|
||||
import { Badge } from '@/components/ui/badge';
|
||||
import { Example, ExampleSection } from '@/components/dev/Example';
|
||||
import { BeforeAfter } from '@/components/dev/BeforeAfter';
|
||||
|
||||
export const metadata: Metadata = {
|
||||
title: 'Spacing Patterns | Dev',
|
||||
description: 'Parent-controlled spacing philosophy and visual demonstrations',
|
||||
};
|
||||
|
||||
export default function SpacingPage() {
|
||||
return (
|
||||
<div className="min-h-screen bg-background">
|
||||
{/* Header */}
|
||||
<header className="sticky top-0 z-50 w-full border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
|
||||
<div className="container mx-auto flex h-16 items-center gap-4 px-4">
|
||||
<Link href="/dev">
|
||||
<Button variant="ghost" size="icon" aria-label="Back to hub">
|
||||
<ArrowLeft className="h-5 w-5" />
|
||||
</Button>
|
||||
</Link>
|
||||
<div>
|
||||
<h1 className="text-xl font-bold">Spacing Patterns</h1>
|
||||
<p className="text-sm text-muted-foreground">
|
||||
Parent-controlled spacing philosophy
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
</header>
|
||||
|
||||
{/* Content */}
|
||||
<main className="container mx-auto px-4 py-8">
|
||||
<div className="space-y-12">
|
||||
{/* Introduction */}
|
||||
<div className="max-w-3xl space-y-4">
|
||||
<p className="text-muted-foreground">
|
||||
The Golden Rule: <strong>Parents control spacing, not children.</strong>{' '}
|
||||
Use gap, space-y, and space-x utilities on the parent container. Avoid
|
||||
margins on children except for exceptions.
|
||||
</p>
|
||||
<div className="flex flex-wrap gap-2">
|
||||
<Badge variant="outline">gap</Badge>
|
||||
<Badge variant="outline">space-y</Badge>
|
||||
<Badge variant="outline">space-x</Badge>
|
||||
<Badge variant="destructive">avoid margin</Badge>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Spacing Scale */}
|
||||
<ExampleSection
|
||||
id="spacing-scale"
|
||||
title="Spacing Scale"
|
||||
description="Multiples of 4px (Tailwind's base unit)"
|
||||
>
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle>Common Spacing Values</CardTitle>
|
||||
<CardDescription>
|
||||
Use consistent spacing values from the scale
|
||||
</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<div className="space-y-4">
|
||||
{[
|
||||
{ class: '2', px: '8px', rem: '0.5rem', use: 'Tight (label → input)' },
|
||||
{ class: '4', px: '16px', rem: '1rem', use: 'Standard (form fields)' },
|
||||
{ class: '6', px: '24px', rem: '1.5rem', use: 'Section spacing' },
|
||||
{ class: '8', px: '32px', rem: '2rem', use: 'Large gaps' },
|
||||
{ class: '12', px: '48px', rem: '3rem', use: 'Section dividers' },
|
||||
].map((item) => (
|
||||
<div
|
||||
key={item.class}
|
||||
className="grid grid-cols-[80px_80px_100px_1fr] items-center gap-4"
|
||||
>
|
||||
<code className="text-sm font-mono">gap-{item.class}</code>
|
||||
<span className="text-sm text-muted-foreground">{item.px}</span>
|
||||
<span className="text-sm text-muted-foreground">{item.rem}</span>
|
||||
<span className="text-sm">{item.use}</span>
|
||||
<div className="col-span-4">
|
||||
<div
|
||||
className="h-2 rounded bg-primary"
|
||||
style={{ width: item.px }}
|
||||
></div>
|
||||
</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</ExampleSection>
|
||||
|
||||
{/* Gap for Flex/Grid */}
|
||||
<ExampleSection
|
||||
id="gap"
|
||||
title="Gap: For Flex and Grid"
|
||||
description="Preferred method for spacing flex and grid children"
|
||||
>
|
||||
<Example
|
||||
title="Gap with Flex"
|
||||
description="Horizontal and vertical spacing"
|
||||
code={`{/* Horizontal */}
|
||||
<div className="flex gap-4">
|
||||
<Button>Cancel</Button>
|
||||
<Button>Save</Button>
|
||||
</div>
|
||||
|
||||
{/* Vertical */}
|
||||
<div className="flex flex-col gap-4">
|
||||
<div>Item 1</div>
|
||||
<div>Item 2</div>
|
||||
</div>
|
||||
|
||||
{/* Grid */}
|
||||
<div className="grid grid-cols-3 gap-6">
|
||||
{/* Cards */}
|
||||
</div>`}
|
||||
>
|
||||
<div className="space-y-6">
|
||||
{/* Horizontal */}
|
||||
<div>
|
||||
<p className="text-sm font-medium mb-2">Horizontal (gap-4)</p>
|
||||
<div className="flex gap-4">
|
||||
<Button variant="outline">Cancel</Button>
|
||||
<Button>Save</Button>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Vertical */}
|
||||
<div>
|
||||
<p className="text-sm font-medium mb-2">Vertical (gap-4)</p>
|
||||
<div className="flex flex-col gap-4">
|
||||
<div className="rounded-lg border bg-muted p-3 text-sm">Item 1</div>
|
||||
<div className="rounded-lg border bg-muted p-3 text-sm">Item 2</div>
|
||||
<div className="rounded-lg border bg-muted p-3 text-sm">Item 3</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Grid */}
|
||||
<div>
|
||||
<p className="text-sm font-medium mb-2">Grid (gap-6)</p>
|
||||
<div className="grid grid-cols-3 gap-6">
|
||||
{[1, 2, 3].map((i) => (
|
||||
<div
|
||||
key={i}
|
||||
className="rounded-lg border bg-muted p-3 text-center text-sm"
|
||||
>
|
||||
Card {i}
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</Example>
|
||||
</ExampleSection>
|
||||
|
||||
{/* Space-y for Stacks */}
|
||||
<ExampleSection
|
||||
id="space-y"
|
||||
title="Space-y: For Vertical Stacks"
|
||||
description="Simple vertical spacing without flex/grid"
|
||||
>
|
||||
<Example
|
||||
title="Space-y Pattern"
|
||||
description="Adds margin-top to all children except first"
|
||||
code={`<div className="space-y-4">
|
||||
<div>First item (no margin)</div>
|
||||
<div>Second item (mt-4)</div>
|
||||
<div>Third item (mt-4)</div>
|
||||
</div>
|
||||
|
||||
{/* Form example */}
|
||||
<form className="space-y-4">
|
||||
<div className="space-y-2">
|
||||
<Label>Email</Label>
|
||||
<Input />
|
||||
</div>
|
||||
<div className="space-y-2">
|
||||
<Label>Password</Label>
|
||||
<Input />
|
||||
</div>
|
||||
<Button>Submit</Button>
|
||||
</form>`}
|
||||
>
|
||||
<div className="max-w-md space-y-6">
|
||||
{/* Visual demo */}
|
||||
<div>
|
||||
<p className="text-sm font-medium mb-4">Visual Demo (space-y-4)</p>
|
||||
<div className="space-y-4">
|
||||
<div className="rounded-lg border bg-muted p-3 text-sm">
|
||||
First item (no margin)
|
||||
</div>
|
||||
<div className="rounded-lg border bg-muted p-3 text-sm">
|
||||
Second item (mt-4)
|
||||
</div>
|
||||
<div className="rounded-lg border bg-muted p-3 text-sm">
|
||||
Third item (mt-4)
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Form example */}
|
||||
<div>
|
||||
<p className="text-sm font-medium mb-4">Form Example (space-y-4)</p>
|
||||
<div className="space-y-4 rounded-lg border p-4">
|
||||
<div className="space-y-2">
|
||||
<div className="text-sm font-medium">Email</div>
|
||||
<div className="h-10 rounded-md border bg-background"></div>
|
||||
</div>
|
||||
<div className="space-y-2">
|
||||
<div className="text-sm font-medium">Password</div>
|
||||
<div className="h-10 rounded-md border bg-background"></div>
|
||||
</div>
|
||||
<Button className="w-full">Submit</Button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</Example>
|
||||
</ExampleSection>
|
||||
|
||||
{/* Anti-pattern: Child Margins */}
|
||||
<ExampleSection
|
||||
id="anti-patterns"
|
||||
title="Anti-patterns to Avoid"
|
||||
description="Common spacing mistakes"
|
||||
>
|
||||
<BeforeAfter
|
||||
title="Don't Let Children Control Spacing"
|
||||
description="Parent should control spacing, not children"
|
||||
before={{
|
||||
caption: "Children control their own spacing with mt-4",
|
||||
content: (
|
||||
<div className="space-y-2 rounded-lg border p-4">
|
||||
<div className="rounded bg-muted p-2 text-xs">
|
||||
<div>Child 1</div>
|
||||
<code className="text-[10px] text-destructive">no margin</code>
|
||||
</div>
|
||||
<div className="rounded bg-muted p-2 text-xs">
|
||||
<div>Child 2</div>
|
||||
<code className="text-[10px] text-destructive">mt-4</code>
|
||||
</div>
|
||||
<div className="rounded bg-muted p-2 text-xs">
|
||||
<div>Child 3</div>
|
||||
<code className="text-[10px] text-destructive">mt-4</code>
|
||||
</div>
|
||||
</div>
|
||||
),
|
||||
}}
|
||||
after={{
|
||||
caption: "Parent controls spacing with space-y-4",
|
||||
content: (
|
||||
<div className="space-y-4 rounded-lg border p-4">
|
||||
<div className="rounded bg-muted p-2 text-xs">
|
||||
<div>Child 1</div>
|
||||
<code className="text-[10px] text-green-600">
|
||||
parent uses space-y-4
|
||||
</code>
|
||||
</div>
|
||||
<div className="rounded bg-muted p-2 text-xs">
|
||||
<div>Child 2</div>
|
||||
<code className="text-[10px] text-green-600">clean, no margin</code>
|
||||
</div>
|
||||
<div className="rounded bg-muted p-2 text-xs">
|
||||
<div>Child 3</div>
|
||||
<code className="text-[10px] text-green-600">clean, no margin</code>
|
||||
</div>
|
||||
</div>
|
||||
),
|
||||
}}
|
||||
/>
|
||||
|
||||
<BeforeAfter
|
||||
title="Use Gap, Not Margin for Buttons"
|
||||
description="Button groups should use gap, not margins"
|
||||
before={{
|
||||
caption: "Margin on children - harder to maintain",
|
||||
content: (
|
||||
<div className="flex rounded-lg border p-4">
|
||||
<Button variant="outline" size="sm">
|
||||
Cancel
|
||||
</Button>
|
||||
<Button size="sm" className="ml-4">
|
||||
Save
|
||||
</Button>
|
||||
</div>
|
||||
),
|
||||
}}
|
||||
after={{
|
||||
caption: "Gap on parent - clean and flexible",
|
||||
content: (
|
||||
<div className="flex gap-4 rounded-lg border p-4">
|
||||
<Button variant="outline" size="sm">
|
||||
Cancel
|
||||
</Button>
|
||||
<Button size="sm">Save</Button>
|
||||
</div>
|
||||
),
|
||||
}}
|
||||
/>
|
||||
</ExampleSection>
|
||||
|
||||
{/* Decision Tree */}
|
||||
<ExampleSection
|
||||
id="decision-tree"
|
||||
title="Decision Tree: Which Spacing Method?"
|
||||
description="Choose the right spacing utility"
|
||||
>
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<div className="flex items-center gap-2">
|
||||
<Ruler className="h-5 w-5 text-primary" />
|
||||
<CardTitle>Spacing Decision Tree</CardTitle>
|
||||
</div>
|
||||
</CardHeader>
|
||||
<CardContent className="space-y-6">
|
||||
<div className="space-y-4">
|
||||
{/* Gap */}
|
||||
<div className="space-y-2">
|
||||
<div className="flex items-center gap-2">
|
||||
<Badge variant="default">Use gap</Badge>
|
||||
<span className="text-sm font-medium">When...</span>
|
||||
</div>
|
||||
<ul className="ml-6 space-y-1 text-sm text-muted-foreground list-disc">
|
||||
<li>Parent is flex or grid</li>
|
||||
<li>All children need equal spacing</li>
|
||||
<li>Responsive spacing (gap-4 md:gap-6)</li>
|
||||
</ul>
|
||||
<div className="rounded-lg border bg-muted/30 p-3 font-mono text-xs">
|
||||
flex gap-4
|
||||
<br />
|
||||
grid grid-cols-3 gap-6
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Space-y */}
|
||||
<div className="space-y-2">
|
||||
<div className="flex items-center gap-2">
|
||||
<Badge variant="secondary">Use space-y</Badge>
|
||||
<span className="text-sm font-medium">When...</span>
|
||||
</div>
|
||||
<ul className="ml-6 space-y-1 text-sm text-muted-foreground list-disc">
|
||||
<li>Vertical stack without flex/grid</li>
|
||||
<li>Form fields</li>
|
||||
<li>Content sections</li>
|
||||
</ul>
|
||||
<div className="rounded-lg border bg-muted/30 p-3 font-mono text-xs">
|
||||
space-y-4
|
||||
<br />
|
||||
space-y-6
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Margin */}
|
||||
<div className="space-y-2">
|
||||
<div className="flex items-center gap-2">
|
||||
<Badge variant="destructive">Use margin</Badge>
|
||||
<span className="text-sm font-medium">Only when...</span>
|
||||
</div>
|
||||
<ul className="ml-6 space-y-1 text-sm text-muted-foreground list-disc">
|
||||
<li>Exception case (one child needs different spacing)</li>
|
||||
<li>Negative margin for overlap effects</li>
|
||||
<li>Can't modify parent (external component)</li>
|
||||
</ul>
|
||||
<div className="rounded-lg border bg-muted/30 p-3 font-mono text-xs">
|
||||
mt-8 {/* exception */}
|
||||
<br />
|
||||
-mt-4 {/* overlap */}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Padding */}
|
||||
<div className="space-y-2">
|
||||
<div className="flex items-center gap-2">
|
||||
<Badge variant="outline">Use padding</Badge>
|
||||
<span className="text-sm font-medium">When...</span>
|
||||
</div>
|
||||
<ul className="ml-6 space-y-1 text-sm text-muted-foreground list-disc">
|
||||
<li>Internal spacing within a component</li>
|
||||
<li>Card/container padding</li>
|
||||
<li>Button padding</li>
|
||||
</ul>
|
||||
<div className="rounded-lg border bg-muted/30 p-3 font-mono text-xs">
|
||||
p-4 {/* all sides */}
|
||||
<br />
|
||||
px-4 py-2 {/* horizontal & vertical */}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</ExampleSection>
|
||||
|
||||
{/* Common Patterns */}
|
||||
<ExampleSection
|
||||
id="common-patterns"
|
||||
title="Common Patterns"
|
||||
description="Real-world spacing examples"
|
||||
>
|
||||
<div className="grid gap-6 lg:grid-cols-2">
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">Form Fields</CardTitle>
|
||||
<CardDescription>Parent: space-y-4, Field: space-y-2</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<code className="text-xs block mb-3">
|
||||
{`<form className="space-y-4">
|
||||
<div className="space-y-2">
|
||||
<Label>Email</Label>
|
||||
<Input />
|
||||
</div>
|
||||
</form>`}
|
||||
</code>
|
||||
<div className="space-y-4 rounded-lg border bg-muted/30 p-4">
|
||||
<div className="space-y-2">
|
||||
<div className="text-xs font-medium">Email</div>
|
||||
<div className="h-8 rounded border bg-background"></div>
|
||||
</div>
|
||||
<div className="space-y-2">
|
||||
<div className="text-xs font-medium">Password</div>
|
||||
<div className="h-8 rounded border bg-background"></div>
|
||||
</div>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">Button Group</CardTitle>
|
||||
<CardDescription>Use flex gap-4</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<code className="text-xs block mb-3">
|
||||
{`<div className="flex gap-4">
|
||||
<Button variant="outline">Cancel</Button>
|
||||
<Button>Save</Button>
|
||||
</div>`}
|
||||
</code>
|
||||
<div className="flex gap-4 rounded-lg border bg-muted/30 p-4">
|
||||
<Button variant="outline" size="sm">
|
||||
Cancel
|
||||
</Button>
|
||||
<Button size="sm">Save</Button>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">Card Grid</CardTitle>
|
||||
<CardDescription>Use grid with gap-6</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<code className="text-xs block mb-3">
|
||||
{`<div className="grid grid-cols-2 gap-6">
|
||||
<Card>...</Card>
|
||||
</div>`}
|
||||
</code>
|
||||
<div className="grid grid-cols-2 gap-4 rounded-lg border bg-muted/30 p-4">
|
||||
<div className="h-16 rounded border bg-background"></div>
|
||||
<div className="h-16 rounded border bg-background"></div>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle className="text-base">Content Stack</CardTitle>
|
||||
<CardDescription>Use space-y-6 for sections</CardDescription>
|
||||
</CardHeader>
|
||||
<CardContent>
|
||||
<code className="text-xs block mb-3">
|
||||
{`<div className="space-y-6">
|
||||
<section>...</section>
|
||||
<section>...</section>
|
||||
</div>`}
|
||||
</code>
|
||||
<div className="space-y-4 rounded-lg border bg-muted/30 p-4">
|
||||
<div className="h-12 rounded border bg-background"></div>
|
||||
<div className="h-12 rounded border bg-background"></div>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
</ExampleSection>
|
||||
</div>
|
||||
</main>
|
||||
|
||||
{/* Footer */}
|
||||
<footer className="mt-16 border-t py-6">
|
||||
<div className="container mx-auto px-4 text-center">
|
||||
<p className="text-sm text-muted-foreground">
|
||||
Learn more:{' '}
|
||||
<a
|
||||
href="/docs/design-system/04-spacing-philosophy.md"
|
||||
target="_blank"
|
||||
rel="noopener noreferrer"
|
||||
className="font-medium hover:text-foreground"
|
||||
>
|
||||
Spacing Philosophy Documentation
|
||||
</a>
|
||||
</p>
|
||||
</div>
|
||||
</footer>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
Reference in New Issue
Block a user