Building With Shadcn

Building with shadcn/ui

Quick Start

# Initialize and add components
npx shadcn-ui@latest init
npx shadcn-ui@latest add button card form input dialog

import { Button } from "@/components/ui/button";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";

export function Example() {
  return (
    <Card>
      <CardHeader>
        <CardTitle>Welcome</CardTitle>
      </CardHeader>
      <CardContent className="flex gap-4">
        <Button>Primary</Button>
        <Button variant="outline">Outline</Button>
      </CardContent>
    </Card>
  );
}

Features

Common Patterns

Form with Validation

const formSchema = z.object({
  email: z.string().email("Invalid email"),
  name: z.string().min(2, "Name must be at least 2 characters"),
});

export function ProfileForm() {
  const form = useForm<z.infer<typeof formSchema>>({
    resolver: zodResolver(formSchema),
    defaultValues: { email: "", name: "" },
  });

  return (
    <Form {...form}>
      <form className="space-y-4">
        <FormField control={form.control} name="email" render={({ field }) => (
          <FormItem>
            <FormLabel>Email</FormLabel>
            <FormControl><Input {...field} /></FormControl>
            <FormMessage />
          </FormItem>
        )} />
        <FormField control={form.control} name="name" render={({ field }) => (
          <FormItem>
            <FormLabel>Name</FormLabel>
            <FormControl><Input {...field} /></FormControl>
            <FormMessage />
          </FormItem>
        )} />
        <Button type="submit" disabled={form.formState.isSubmitting}>
          {form.formState.isSubmitting ? "Saving..." : "Save"}
        </Button>
      </form>
    </Form>
  );
}

Dialog with Form

export function EditDialog({ onSave }: { onSave: (data: Data) => void }) {
  return (
    <Dialog>
      <DialogTrigger asChild>
        <Button variant="outline">Edit Profile</Button>
      </DialogTrigger>
      <DialogContent>
        <DialogHeader>
          <DialogTitle>Edit Profile</DialogTitle>
          <DialogDescription>Update your profile information.</DialogDescription>
        </DialogHeader>
        <div className="grid gap-4 py-4">
          <div className="grid grid-cols-4 items-center gap-4">
            <Label htmlFor="name" className="text-right">Name</Label>
            <Input id="name" className="col-span-3" />
          </div>
        </div>
        <DialogFooter>
          <DialogClose asChild><Button variant="outline">Cancel</Button></DialogClose>
          <Button => onSave(data)}>Save</Button>
        </DialogFooter>
      </DialogContent>
    </Dialog>
  );
}

Toast Notifications

import { useToast } from "@/components/ui/use-toast";

export function SaveButton() {
  const { toast } = useToast();

  const handleSave = async () => {
    try {
      await saveData();
      toast({ title: "Success", description: "Changes saved." });
    } catch {
      toast({ variant: "destructive", title: "Error", description: "Failed to save." });
    }
  };

  return <Button
}

Best Practices

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