refact(depd): add shadcn and upgrade tailwind v3 to v4.

components.json

@@ -0,0 +1,21 @@
+{
+  "$schema": "https://ui.shadcn.com/schema.json",
+  "style": "new-york",
+  "rsc": false,
+  "tsx": true,
+  "tailwind": {
+    "config": "tailwind.config.js",
+    "css": "src/index.css",
+    "baseColor": "neutral",
+    "cssVariables": true,
+    "prefix": ""
+  },
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/lib/utils",
+    "ui": "@/components/ui",
+    "lib": "@/lib",
+    "hooks": "@/hooks"
+  },
+  "iconLibrary": "lucide"
+}

package.json

@@ -14,30 +14,37 @@
     "@emotion/styled": "^11.11.0",
     "@mui/icons-material": "^5.15.6",
     "@mui/material": "^5.15.6",
+    "@radix-ui/react-slot": "^1.1.2",
+    "@tailwindcss/vite": "^4.0.9",
     "@vitejs/plugin-react": "^4.3.3",
     "axios": "^1.7.7",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "lucide-react": "^0.477.0",
     "octokit": "^4.0.2",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-hot-toast": "^2.4.1",
     "react-icons": "^5.3.0",
-    "react-router-dom": "^6.28.0"
+    "react-router-dom": "^6.28.0",
+    "tailwind-merge": "^3.0.2",
+    "tailwindcss-animate": "^1.0.7"
   },
   "devDependencies": {
     "@eslint/js": "^9.13.0",
-    "@types/node": "^22.10.1",
+    "@tailwindcss/postcss": "^4.0.9",
+    "@types/node": "^22.13.9",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",
     "@types/react-redux": "^7.1.34",
     "@vitejs/plugin-react-swc": "^3.5.0",
-    "autoprefixer": "^10.4.20",
     "eslint": "^9.13.0",
     "eslint-plugin-react": "^7.37.2",
     "eslint-plugin-react-hooks": "^5.0.0",
     "eslint-plugin-react-refresh": "^0.4.14",
     "globals": "^15.11.0",
     "postcss": "^8.4.47",
-    "tailwindcss": "^3.4.14",
+    "tailwindcss": "^4.0.9",
     "vite": "^5.4.10"
   }
 }

postcss.config.cjs

@@ -1,6 +1,5 @@
 module.exports = {
     plugins: {
-      tailwindcss: {},
-      autoprefixer: {},
+      '@tailwindcss/postcss': {},
     },
   };

src/App.tsx

@@ -16,7 +16,7 @@ function App() {
         <Navbar />
 
         {/* Main content */}
-        <main className="flex-grow bg-gray-50 flex justify-center items-center">
+        <main className="grow bg-gray-50 flex justify-center items-center">
           <Router/>
         </main>
 

src/Routes/Login/Login.tsx

@@ -49,7 +49,7 @@ const Login: React.FC = () => {
             value={formData.email}
             onChange={handleChange}
             required
-            className="w-full p-3 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
+            className="w-full p-3 border border-gray-300 rounded-md focus:outline-hidden focus:ring-2 focus:ring-blue-500"
           />
         </div>
         <div>
@@ -60,12 +60,12 @@ const Login: React.FC = () => {
             value={formData.password}
             onChange={handleChange}
             required
-            className="w-full p-3 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
+            className="w-full p-3 border border-gray-300 rounded-md focus:outline-hidden focus:ring-2 focus:ring-blue-500"
           />
         </div>
         <button
           type="submit"
-          className="w-full bg-blue-500 text-white py-3 rounded-md hover:bg-blue-600 focus:outline-none focus:ring-2 focus:ring-blue-500"
+          className="w-full bg-blue-500 text-white py-3 rounded-md hover:bg-blue-600 focus:outline-hidden focus:ring-2 focus:ring-blue-500"
         >
           Login
         </button>

src/Routes/Signup/Signup.tsx

@@ -50,7 +50,7 @@ const SignUp: React.FC = () => {
             value={formData.username}
             onChange={handleChange}
             required
-            className="w-full p-3 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
+            className="w-full p-3 border border-gray-300 rounded-md focus:outline-hidden focus:ring-2 focus:ring-blue-500"
           />
         </div>
         <div>
@@ -61,7 +61,7 @@ const SignUp: React.FC = () => {
             value={formData.email}
             onChange={handleChange}
             required
-            className="w-full p-3 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
+            className="w-full p-3 border border-gray-300 rounded-md focus:outline-hidden focus:ring-2 focus:ring-blue-500"
           />
         </div>
         <div>
@@ -72,12 +72,12 @@ const SignUp: React.FC = () => {
             value={formData.password}
             onChange={handleChange}
             required
-            className="w-full p-3 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
+            className="w-full p-3 border border-gray-300 rounded-md focus:outline-hidden focus:ring-2 focus:ring-blue-500"
           />
         </div>
         <button
           type="submit"
-          className="w-full bg-blue-500 text-white py-3 rounded-md hover:bg-blue-600 focus:outline-none focus:ring-2 focus:ring-blue-500"
+          className="w-full bg-blue-500 text-white py-3 rounded-md hover:bg-blue-600 focus:outline-hidden focus:ring-2 focus:ring-blue-500"
         >
           Sign Up
         </button>

src/components/Footer.tsx

@@ -2,7 +2,7 @@ import { FaGithub } from 'react-icons/fa';
 
 function Footer() {
   return (
-    <footer className="bg-gradient-to-r from-purple-800 via-pink-800 to-red-800 text-white py-2 mt-4 shadow-lg">
+    <footer className="bg-linear-to-r from-purple-800 via-pink-800 to-red-800 text-white py-2 mt-4 shadow-lg">
       <div className="container mx-auto text-center">
         <p className="text-sm md:text-base font-medium flex justify-center items-center space-x-2">
           <span>Made with ❤️ by <span className="font-semibold"><a href="https://github.com/mehul-m-prajapati"

src/components/Navbar.tsx

@@ -49,7 +49,7 @@ const Navbar: React.FC = () => {
         <div className="md:hidden">
           <button
             onClick={() => setIsOpen(!isOpen)}
-            className="relative w-8 h-8 flex flex-col space-y-[5px] items-center group focus:outline-none"
+            className="relative w-8 h-8 flex flex-col space-y-[5px] items-center group focus:outline-hidden"
           >
             <span
               className={`block h-[3px] w-full bg-white rounded-lg transition-transform duration-300 ${

src/components/ui/button.tsx

@@ -0,0 +1,57 @@
+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 gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-hidden focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default:
+          "bg-primary text-primary-foreground shadow-sm hover:bg-primary/90",
+        destructive:
+          "bg-destructive text-destructive-foreground shadow-xs hover:bg-destructive/90",
+        outline:
+          "border border-input bg-background shadow-xs hover:bg-accent hover:text-accent-foreground",
+        secondary:
+          "bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80",
+        ghost: "hover:bg-accent hover:text-accent-foreground",
+        link: "text-primary underline-offset-4 hover:underline",
+      },
+      size: {
+        default: "h-9 px-4 py-2",
+        sm: "h-8 rounded-md px-3 text-xs",
+        lg: "h-10 rounded-md px-8",
+        icon: "h-9 w-9",
+      },
+    },
+    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/index.css

@@ -1,3 +1,130 @@
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
+/* ======== tailwind v4 ======== */
+
+@import 'tailwindcss';
+
+@plugin 'tailwindcss-animate';
+
+@custom-variant dark (&:is(.dark *));
+
+@theme {
+  --radius-lg: var(--radius);
+  --radius-md: calc(var(--radius) - 2px);
+  --radius-sm: calc(var(--radius) - 4px);
+
+  --color-background: hsl(var(--background));
+  --color-foreground: hsl(var(--foreground));
+
+  --color-card: hsl(var(--card));
+  --color-card-foreground: hsl(var(--card-foreground));
+
+  --color-popover: hsl(var(--popover));
+  --color-popover-foreground: hsl(var(--popover-foreground));
+
+  --color-primary: hsl(var(--primary));
+  --color-primary-foreground: hsl(var(--primary-foreground));
+
+  --color-secondary: hsl(var(--secondary));
+  --color-secondary-foreground: hsl(var(--secondary-foreground));
+
+  --color-muted: hsl(var(--muted));
+  --color-muted-foreground: hsl(var(--muted-foreground));
+
+  --color-accent: hsl(var(--accent));
+  --color-accent-foreground: hsl(var(--accent-foreground));
+
+  --color-destructive: hsl(var(--destructive));
+  --color-destructive-foreground: hsl(var(--destructive-foreground));
+
+  --color-border: hsl(var(--border));
+  --color-input: hsl(var(--input));
+  --color-ring: hsl(var(--ring));
+
+  --color-chart-1: hsl(var(--chart-1));
+  --color-chart-2: hsl(var(--chart-2));
+  --color-chart-3: hsl(var(--chart-3));
+  --color-chart-4: hsl(var(--chart-4));
+  --color-chart-5: hsl(var(--chart-5));
+}
+
+/*
+  The default border color has changed to `currentColor` in Tailwind CSS v4,
+  so we've added these compatibility styles to make sure everything still
+  looks the same as it did with Tailwind CSS v3.
+
+  If we ever want to remove these styles, we need to add an explicit border
+  color utility to any element that depends on these defaults.
+*/
+@layer base {
+  *,
+  ::after,
+  ::before,
+  ::backdrop,
+  ::file-selector-button {
+    border-color: var(--color-gray-200, currentColor);
+  }
+}
+
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 0 0% 3.9%;
+    --card: 0 0% 100%;
+    --card-foreground: 0 0% 3.9%;
+    --popover: 0 0% 100%;
+    --popover-foreground: 0 0% 3.9%;
+    --primary: 0 0% 9%;
+    --primary-foreground: 0 0% 98%;
+    --secondary: 0 0% 96.1%;
+    --secondary-foreground: 0 0% 9%;
+    --muted: 0 0% 96.1%;
+    --muted-foreground: 0 0% 45.1%;
+    --accent: 0 0% 96.1%;
+    --accent-foreground: 0 0% 9%;
+    --destructive: 0 84.2% 60.2%;
+    --destructive-foreground: 0 0% 98%;
+    --border: 0 0% 89.8%;
+    --input: 0 0% 89.8%;
+    --ring: 0 0% 3.9%;
+    --chart-1: 12 76% 61%;
+    --chart-2: 173 58% 39%;
+    --chart-3: 197 37% 24%;
+    --chart-4: 43 74% 66%;
+    --chart-5: 27 87% 67%;
+    --radius: 0.5rem
+  }
+  .dark {
+    --background: 0 0% 3.9%;
+    --foreground: 0 0% 98%;
+    --card: 0 0% 3.9%;
+    --card-foreground: 0 0% 98%;
+    --popover: 0 0% 3.9%;
+    --popover-foreground: 0 0% 98%;
+    --primary: 0 0% 98%;
+    --primary-foreground: 0 0% 9%;
+    --secondary: 0 0% 14.9%;
+    --secondary-foreground: 0 0% 98%;
+    --muted: 0 0% 14.9%;
+    --muted-foreground: 0 0% 63.9%;
+    --accent: 0 0% 14.9%;
+    --accent-foreground: 0 0% 98%;
+    --destructive: 0 62.8% 30.6%;
+    --destructive-foreground: 0 0% 98%;
+    --border: 0 0% 14.9%;
+    --input: 0 0% 14.9%;
+    --ring: 0 0% 83.1%;
+    --chart-1: 220 70% 50%;
+    --chart-2: 160 60% 45%;
+    --chart-3: 30 80% 55%;
+    --chart-4: 280 65% 60%;
+    --chart-5: 340 75% 55%
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}

src/lib/utils.ts

@@ -0,0 +1,6 @@
+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}