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This is a [Next.js](https://nextjs.org) project bootstrapped with [`create-next-app`](https://nextjs.org/docs/app/api-reference/cli/create-next-app).
## Getting Started
First, run the development server:
```bash
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
```
Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file.
This project uses [`next/font`](https://nextjs.org/docs/app/building-your-application/optimizing/fonts) to automatically optimize and load [Geist](https://vercel.com/font), a new font family for Vercel.
## Learn More
To learn more about Next.js, take a look at the following resources:
- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome!
## Deploy on Vercel
The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details.
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"use client";
import { useRef } from "react";
import { Provider } from "react-redux";
import { makeStore, AppStore } from "../lib/store";
import React from "react";
const BookProvider = ({ children }: { children: React.ReactNode }) => {
const storeRef = useRef<AppStore>(undefined);
if (!storeRef.current) {
// Create the store instance the first time this renders
storeRef.current = makeStore();
}
return <Provider store={storeRef.current}>{children}</Provider>;
};
export default BookProvider;
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"use client";
import { clearList, resetList, deleteBook } from "@/lib/features/bookSlice";
import { useAppDispatch, useAppSelector } from "@/lib/hooks";
const Books = () => {
const { books } = useAppSelector((store) => store.books);
const dispatch = useAppDispatch();
const handleClear = () => {
dispatch(clearList());
};
const reset = () => {
dispatch(resetList());
};
const remove = (id: any) => {
dispatch(deleteBook(id));
};
return (
<main className="min-h-screen bg-base-200 p-6 md:p-10">
<div className="max-w-6xl mx-auto space-y-8">
{/* Header Section */}
<header className="card bg-base-100 shadow-xl border border-base-300">
<div className="card-body flex-col md:flex-row items-start md:items-center justify-between gap-4">
<div>
<span className="badge badge-secondary badge-outline text-xs font-semibold tracking-wide">
Advanced Web Development
</span>
<h1 className="text-3xl font-extrabold text-base-content mt-1">
Books by J.K. Rowling
</h1>
<p className="text-sm text-base-content/60">
Total Available:{" "}
<span className="font-bold text-primary">{books.length}</span>
</p>
</div>
{/* Action Buttons */}
<div className="flex gap-2">
{books.length > 0 ? (
<button
onClick={handleClear}
className="btn btn-error btn-outline btn-sm"
>
Clear List
</button>
) : (
<button onClick={reset} className="btn btn-primary btn-sm">
Reset List
</button>
)}
</div>
</div>
</header>
{/* Book Grid / Empty State */}
{books.length > 0 ? (
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
{books.map((book) => {
const { id, volumeInfo, saleInfo } = book;
const thumbnail = volumeInfo.imageLinks?.thumbnail;
const price = saleInfo.listPrice?.amount
? `${saleInfo.listPrice.amount} ${saleInfo.listPrice.currencyCode}`
: "Not for Sale";
return (
<div
key={id}
className="card bg-base-100 shadow-md border border-base-200 hover:shadow-2xl transition-all duration-300 flex flex-col justify-between"
>
<div className="card-body p-6">
{/* Top Row: Category & Rating */}
<div className="flex justify-between items-center gap-2 mb-2">
<span className="badge badge-neutral text-xs truncate max-w-37.5]">
{volumeInfo.categories?.[0] || "General"}
</span>
{volumeInfo.averageRating && (
<div className="badge badge-warning gap-1 font-bold text-xs">
★ {volumeInfo.averageRating}
</div>
)}
</div>
{/* Book Thumbnail & Info */}
<div className="flex gap-4 my-2">
{thumbnail ? (
<img
src={thumbnail}
alt={volumeInfo.title}
className="w-20 h-28 object-cover rounded-md shadow-md shrink-0"
/>
) : (
<div className="w-20 h-28 bg-base-300 rounded-md flex items-center justify-center text-xs text-base-content/50 shrink-0">
No Cover
</div>
)}
<div className="space-y-1">
<h2 className="card-title text-base font-bold text-base-content line-clamp-2">
{volumeInfo.title}
</h2>
<p className="text-xs text-base-content/70">
{volumeInfo.authors?.join(", ")}
</p>
<p className="text-xs text-base-content/50">
{volumeInfo.publishedDate?.split("-")[0]} •{" "}
{volumeInfo.publisher}
</p>
</div>
</div>
{/* Description Snippet */}
{volumeInfo.description && (
<p className="text-xs text-base-content/70 line-clamp-3 mt-2">
{volumeInfo.description}
</p>
)}
</div>
{/* Card Footer */}
<div className="card-actions justify-between items-center bg-base-200/50 px-6 py-3 border-t border-base-200">
<span className="font-bold text-sm text-primary">
{price}
</span>
<a
href={volumeInfo.previewLink}
target="_blank"
rel="noreferrer"
className="btn btn-xs btn-accent btn-outline"
>
Preview Book
</a>
<button
className="btn btn-active btn-accent btn-xs transition-all hover:brightness-125"
onClick={() => remove(book.id)}
>
{" "}
remove{" "}
</button>
</div>
</div>
);
})}
</div>
) : (
/* Empty State Alert */
<div className="card bg-base-100 border border-base-300 shadow-lg text-center p-12">
<div className="max-w-md mx-auto space-y-4">
{/* books emoji character unicode code point: U+1F4DA */}
<div className="text-5xl">📚</div>
<h3 className="text-xl font-bold text-base-content">
No Books to Display
</h3>
<p className="text-sm text-base-content/60">
You cleared the list of books. Click below to restore the Google
Books dataset.
</p>
<button onClick={reset} className="btn btn-primary btn-sm mt-2">
Restore Books
</button>
</div>
</div>
)}
</div>
</main>
);
};
export default Books;
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@import "tailwindcss";
@plugin "daisyui";
:root {
--background: #ffffff;
--foreground: #171717;
}
@theme inline {
--color-background: var(--background);
--color-foreground: var(--foreground);
--font-sans: var(--font-geist-sans);
--font-mono: var(--font-geist-mono);
}
@media (prefers-color-scheme: dark) {
:root {
--background: #0a0a0a;
--foreground: #ededed;
}
}
body {
background: var(--background);
color: var(--foreground);
font-family: Arial, Helvetica, sans-serif;
}
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import type { Metadata } from "next";
import { Geist, Geist_Mono } from "next/font/google";
import "./globals.css";
import BookProvider from "./BookProvider";
const geistSans = Geist({
variable: "--font-geist-sans",
subsets: ["latin"],
});
const geistMono = Geist_Mono({
variable: "--font-geist-mono",
subsets: ["latin"],
});
export const metadata: Metadata = {
title: "Create Next App",
description: "Generated by create next app",
};
export default function RootLayout({ children }: LayoutProps<"/">) {
return (
<html
lang="en"
className={`${geistSans.variable} ${geistMono.variable} h-full antialiased`}
>
<body className="min-h-full flex flex-col">
<BookProvider>{children}</BookProvider>
</body>
</html>
);
}
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import Image from "next/image";
import Books from "./Books";
export default function Home() {
return (
<div className="flex flex-col flex-1 items-center justify-center bg-zinc-50 font-sans dark:bg-black">
<Books />
</div>
);
}
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import { useRef, JSX } from "react";
export default function InputFocus(): JSX.Element {
// 1. Create a ref (initially null)
const inputRef = useRef<HTMLInputElement>(null);
const handleClick = () => {
// 3. Access the native DOM element via .current and focus it
inputRef.current?.focus();
};
return (
<div>
{/* 2. Attach the ref to the JSX element */}
<input ref={inputRef} type="text" className="input input-bordered" />
<button onClick={handleClick} className="btn btn-primary ml-2">
Focus Input
</button>
</div>
);
}
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import { useState, useRef, JSX } from "react";
export default function Timer(): JSX.Element {
const [seconds, setSeconds] = useState(0);
// Store the timer ID in a ref so clearing it doesn't cause a re-render
const timerIdRef = useRef<NodeJS.Timeout | null>(null);
const startTimer = () => {
if (timerIdRef.current !== null) return;
timerIdRef.current = setInterval(() => {
setSeconds((prev) => prev + 1);
}, 1000);
};
const stopTimer = () => {
if (timerIdRef.current !== null) {
clearInterval(timerIdRef.current);
timerIdRef.current = null; // Clear ref value without triggering a re-render
}
};
return (
<div>
<p className="text-2xl font-bold">Seconds: {seconds}</p>
<button onClick={startTimer} className="btn btn-success mr-2">
Start
</button>
<button onClick={stopTimer} className="btn btn-error">
Stop
</button>
</div>
);
}
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import { defineConfig, globalIgnores } from "eslint/config";
import nextVitals from "eslint-config-next/core-web-vitals";
import nextTs from "eslint-config-next/typescript";
const eslintConfig = defineConfig([
...nextVitals,
...nextTs,
// Override default ignores of eslint-config-next.
globalIgnores([
// Default ignores of eslint-config-next:
".next/**",
"out/**",
"build/**",
"next-env.d.ts",
]),
]);
export default eslintConfig;
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import { createSlice } from "@reduxjs/toolkit";
import { data } from "../../app/data";
import type { VolumeItem } from "../../app/data";
// 1. Define the State interface
export interface State {
books: VolumeItem[];
}
const initialState: State = {
books: []
} as any;
const bookSlice = createSlice({
name: "books",
initialState,
reducers: {
clearList: (state: State) => {
state.books = [];
},
resetList: (state) => {
state.books = data.items;
},
deleteBook: (state, action) => {
const id = action.payload;
state.books = state.books.filter((book: VolumeItem) => book.id !== id);
}
},
extraReducers: (buider) => {}
});
export const { clearList, resetList, deleteBook } = bookSlice.actions;
export default bookSlice.reducer;
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"use client";
import { useDispatch, useSelector, useStore } from "react-redux";
import type { RootState, AppDispatch, AppStore } from "./store";
// Use throughout your app instead of plain `useDispatch` and `useSelector`
export const useAppDispatch = useDispatch.withTypes<AppDispatch>();
export const useAppSelector = useSelector.withTypes<RootState>();
export const useAppStore = useStore.withTypes<AppStore>();
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import { configureStore } from "@reduxjs/toolkit";
import "@/lib/features/bookSlice";
import bookReducer from "./features/bookSlice";
export const makeStore = () => {
return configureStore({
reducer: { books: bookReducer },
});
};
// Infer the type of makeStore
export type AppStore = ReturnType<typeof makeStore>;
// Infer the `RootState` and `AppDispatch` types from the store itself
export type RootState = ReturnType<AppStore["getState"]>;
export type AppDispatch = AppStore["dispatch"];
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import type { NextConfig } from "next";
const nextConfig: NextConfig = {
/* config options here */
};
export default nextConfig;
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{
"name": "rtk",
"version": "0.1.0",
"private": true,
"scripts": {
"dev": "next dev",
"build": "next build",
"start": "next start",
"lint": "eslint"
},
"dependencies": {
"@reduxjs/toolkit": "^2.12.0",
"daisyui": "^5.7.16",
"next": "16.3.0",
"react": "19.2.8",
"react-dom": "19.2.8",
"react-redux": "^9.3.0"
},
"devDependencies": {
"@tailwindcss/postcss": "^4.3.3",
"@types/node": "^20",
"@types/react": "^19",
"@types/react-dom": "^19",
"eslint": "^9",
"eslint-config-next": "16.3.0",
"tailwindcss": "^4.3.3",
"typescript": "^5"
}
}
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const config = {
plugins: {
"@tailwindcss/postcss": {},
},
};
export default config;
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{
"compilerOptions": {
"target": "ES2017",
"lib": ["dom", "dom.iterable", "esnext"],
"allowJs": true,
"skipLibCheck": true,
"strict": true,
"noEmit": true,
"esModuleInterop": true,
"module": "esnext",
"moduleResolution": "bundler",
"resolveJsonModule": true,
"isolatedModules": true,
"jsx": "react-jsx",
"incremental": true,
"plugins": [
{
"name": "next"
}
],
"paths": {
"@/*": ["./*"]
}
},
"include": [
"next-env.d.ts",
"**/*.ts",
"**/*.tsx",
".next/types/**/*.ts",
".next/dev/types/**/*.ts",
"**/*.mts"
],
"exclude": ["node_modules"]
}