use shadcn-ui

src/第6章_Tailwind_CSSでコンポーネントを設計する/components.json

@@ -10,7 +10,7 @@
     "cssVariables": true
   },
   "aliases": {
-    "components": "./src/components",
-    "utils": "./src/lib/utils"
+    "components": "@/components",
+    "utils": "@/lib/utils"
   }
 }

src/第6章_Tailwind_CSSでコンポーネントを設計する/package.json

@@ -10,6 +10,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@radix-ui/react-slot": "^1.0.2",
     "class-variance-authority": "^0.7.0",
     "classnames": "^2.3.2",
     "clsx": "^2.0.0",

src/第6章_Tailwind_CSSでコンポーネントを設計する/src/App.tsx

@@ -1,10 +1,30 @@
-import { Card } from "./components/ui/card";
+import { Button } from "./components/ui/button";
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardFooter,
+  CardHeader,
+  CardTitle,
+} from "./components/ui/card";
 
 function App() {
   return (
-    <div>
-      <h1 className="text-2xl font-bold">Hello world!</h1>
-      <Card />
+    <div className="py-6 px-8">
+      <h1 className="text-2xl font-bold">Using shadcn-ui</h1>
+      <Card className="mt-2">
+        <CardHeader>
+          <CardTitle>Card Title</CardTitle>
+          <CardDescription>Card Description</CardDescription>
+        </CardHeader>
+        <CardContent>
+          <p>Card Content</p>
+          <Button>Push me</Button>
+        </CardContent>
+        <CardFooter>
+          <p>Card Footer</p>
+        </CardFooter>
+      </Card>
     </div>
   );
 }

src/第6章_Tailwind_CSSでコンポーネントを設計する/src/components/ui/button.tsx

@@ -0,0 +1,56 @@
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const buttonVariants = cva(
+  "inline-flex items-center justify-center rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
+  {
+    variants: {
+      variant: {
+        default: "bg-primary text-primary-foreground hover:bg-primary/90",
+        destructive:
+          "bg-destructive text-destructive-foreground hover:bg-destructive/90",
+        outline:
+          "border border-input bg-background hover:bg-accent hover:text-accent-foreground",
+        secondary:
+          "bg-secondary text-secondary-foreground hover:bg-secondary/80",
+        ghost: "hover:bg-accent hover:text-accent-foreground",
+        link: "text-primary underline-offset-4 hover:underline",
+      },
+      size: {
+        default: "h-10 px-4 py-2",
+        sm: "h-9 rounded-md px-3",
+        lg: "h-11 rounded-md px-8",
+        icon: "h-10 w-10",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+export interface ButtonProps
+  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
+    VariantProps<typeof buttonVariants> {
+  asChild?: boolean
+}
+
+const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
+  ({ className, variant, size, asChild = false, ...props }, ref) => {
+    const Comp = asChild ? Slot : "button"
+    return (
+      <Comp
+        className={cn(buttonVariants({ variant, size, className }))}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Button.displayName = "Button"
+
+export { Button, buttonVariants }

src/第6章_Tailwind_CSSでコンポーネントを設計する/src/index.css

@@ -1,76 +1,76 @@
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
-
+ 
 @layer base {
   :root {
     --background: 0 0% 100%;
     --foreground: 222.2 84% 4.9%;
 
     --card: 0 0% 100%;
     --card-foreground: 222.2 84% 4.9%;
-
+ 
     --popover: 0 0% 100%;
     --popover-foreground: 222.2 84% 4.9%;
-
+ 
     --primary: 222.2 47.4% 11.2%;
     --primary-foreground: 210 40% 98%;
-
+ 
     --secondary: 210 40% 96.1%;
     --secondary-foreground: 222.2 47.4% 11.2%;
-
+ 
     --muted: 210 40% 96.1%;
     --muted-foreground: 215.4 16.3% 46.9%;
-
+ 
     --accent: 210 40% 96.1%;
     --accent-foreground: 222.2 47.4% 11.2%;
-
+ 
     --destructive: 0 84.2% 60.2%;
     --destructive-foreground: 210 40% 98%;
 
     --border: 214.3 31.8% 91.4%;
     --input: 214.3 31.8% 91.4%;
     --ring: 222.2 84% 4.9%;
-
+ 
     --radius: 0.5rem;
   }
-
+ 
   .dark {
     --background: 222.2 84% 4.9%;
     --foreground: 210 40% 98%;
-
+ 
     --card: 222.2 84% 4.9%;
     --card-foreground: 210 40% 98%;
-
+ 
     --popover: 222.2 84% 4.9%;
     --popover-foreground: 210 40% 98%;
-
+ 
     --primary: 210 40% 98%;
     --primary-foreground: 222.2 47.4% 11.2%;
-
+ 
     --secondary: 217.2 32.6% 17.5%;
     --secondary-foreground: 210 40% 98%;
-
+ 
     --muted: 217.2 32.6% 17.5%;
     --muted-foreground: 215 20.2% 65.1%;
-
+ 
     --accent: 217.2 32.6% 17.5%;
     --accent-foreground: 210 40% 98%;
-
+ 
     --destructive: 0 62.8% 30.6%;
     --destructive-foreground: 210 40% 98%;
-
+ 
     --border: 217.2 32.6% 17.5%;
     --input: 217.2 32.6% 17.5%;
     --ring: 212.7 26.8% 83.9%;
   }
 }
-
+ 
 @layer base {
   * {
     @apply border-border;
   }
   body {
     @apply bg-background text-foreground;
   }
-}
+}