In this tutorial, we’ll walk through the process of creating a simple to-do list application using Zustand for state management, Tailwind CSS for styling, and Next.js for the project setup. By the end of this tutorial, you’ll have a fully functional to-do list app that you can customize to fit your needs.


Before we get started, make sure you have the following:

Node.js and npm (or yarn) installed on your machineBasic understanding of React.js

Setting Up the Project

First, let’s create a new Next.js project and install the necessary dependencies:

npx create-next-app todo-next-zustand
cd todo-next-zustand
npm install zustand tailwindcss – save

Next, configure Tailwind CSS in your Next.js project by creating a tailwind.config.js file and adding the following configuration:

import type { Config } from “tailwindcss”;

const config: Config = {
content: [
theme: {
extend: {
backgroundImage: {
“gradient-radial”: “radial-gradient(var(–tw-gradient-stops))”,
“conic-gradient(from 180deg at 50% 50%, var(–tw-gradient-stops))”,
plugins: [],
export default config;

Creating the State Management with Zustand

Zustand is a small, fast, and scalable state management library for React. Let’s create a Zustand store to manage our to-do list state:

import { create } from “zustand”;

type Todo = {
id: number;
text: string;
completed: boolean;

type TodoStore = {
todos: Todo[];
addTodo: (text: string) => void;
toggleTodo: (id: number) => void;
deleteTodo: (id: number) => void;

const useTodoStore = create<TodoStore>((set) => ({
todos: [],
addTodo: (text) =>
set((state) => ({
todos: […state.todos, { id:, text, completed: false }],
toggleTodo: (id) =>
set((state) => ({
todos: => === id ? { …todo, completed: !todo.completed } : todo
deleteTodo: (id) =>
set((state) => ({ todos: state.todos.filter((todo) => !== id) })),

export default useTodoStore;

Building the User Interface with React Components

Now let’s create React components for our to-do list app:

import useTodoStore from “@/util/useTodoStore”;
import Image from “next/image”;
import { useState } from “react”;

export default function Home() {
const [text, setText] = useState(“”);
const todos = useTodoStore((state) => state.todos);
const addTodo = useTodoStore((state) => state.addTodo);
const toggleTodo = useTodoStore((state) => state.toggleTodo);
const deleteTodo = useTodoStore((state) => state.deleteTodo);

const handleAddTodo = () => {
if (text.trim() !== “”) {

return (
<div className=”min-h-screen bg-gray-100 flex flex-col justify-center py-12 px-6 sm:px-6 lg:px-8″>
<div className=”sm:mx-auto sm:w-full sm:max-w-md”>
<h1 className=”text-3xl font-extrabold text-center text-gray-900 mb-8″>
Todo List made from Zustand
alt=”Beautiful Image”
className=”mb-8 rounded-lg shadow-md”
/>{” “}
<div className=”mt-6″>
onChange={(e) => setText(}
className=”w-full px-4 py-3 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 border-gray-300 bg-white text-gray-900″
placeholder=”Enter a todo”
<div className=”mt-6″>
className=”w-full flex justify-center py-3 px-4 border border-transparent rounded-md shadow-sm text-base font-medium text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500″
Add Todo
<ul className=”mt-8 divide-y divide-gray-200″>
{ => (
<li key={} className=”py-4″>
<div className=”flex items-center justify-between”>
className={`text-lg cursor-pointer ${
? “line-through text-gray-400”
: “text-gray-900”
onClick={() => toggleTodo(}
onClick={() => deleteTodo(}
className=”text-red-500 hover:text-red-600 focus:outline-none”

As you can see in the code snippet above, we are using our Zustand store useTodoStore in our component.

Styling the Application with Tailwind CSS

You can style your component as per your requirement using TailwindCSS.

Complete source code:


Congratulations! You’ve successfully built a simple to-do list application using Zustand, Tailwind CSS, and Next.js. You can further customize and expand this application by adding features like editing todos, filtering todos, or persisting todos to a database.

Learned something new? Comments and feedback always make the writer happy. Happy coding!

Building a To-Do List App with Zustand, Tailwind CSS, and Next.js was originally published in Level Up Coding on Medium, where people are continuing the conversation by highlighting and responding to this story.

​ Level Up Coding – Medium

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