Create an animated sidebar with TailwindCSS in React💫

Create an animated sidebar with TailwindCSS in React💫

Avneesh Agarwal
·Dec 21, 2021·

3 min read

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Table of contents

  • Demo
  • Setup
  • Creating the sidebar
  • Useful links

Hey everyone, in many apps you need a sidebar/drawer which slides in if you click on a hamburger icon. In this tutorial, we are going to see how to build that 🌟.

Demo

Setup

Creating a new react app-

npx create-react-app animated-sidebar

Setting up tailwindCSS

Installing Tailwind-

npm install -D tailwindcss postcss autoprefixer
npx tailwindcss init -p

Configuring paths-

Inside tailwind.config.js replace the content with this-

module.exports = {
  content: ["./src/**/*.{js,jsx,ts,tsx}"],
  theme: {
    extend: {},
  },
  plugins: [],
};

Add tailwindCSS to CSS

In index.css add this code block-

@tailwind base;
@tailwind components;
@tailwind utilities;

Creating the sidebar

Making a new component

I am going to create a separate component for Sidebar, so create a file Sidebar.js in the src folder. Now create a functional component-

const Sidebar = () => {
  return (
    <div>

    </div>
  )
}

export default Sidebar

Rendering the Sidebar component

We also need to render the component so add this in App.js-

import Sidebar from "./Sidebar";

function App() {
  return (
    <div className="flex flex-col items-center justify-center min-h-screen py-2">
      <Sidebar />
    </div>
  );
}

export default App;

This should show us an empty canvas now.

Making a basic sidebar

I am going to make a simple div with a text in it-

<div className="top-0 right-0 w-[35vw] bg-blue-600  p-10 pl-20 text-white fixed h-full ">
  <h2 className="mt-20 text-4xl font-semibold text-white">I am a sidebar</h2>
</div>

This will give us a simple, blue sidebar on the right side-

image.png

Handling open and closed states

Create a useState to store a boolean value that decides if we should or shouldn't show the sidebar-

const [showSidebar, setShowSidebar] = useState(false);

We also need to show buttons/icons to open and close the sidebar so I will wrap the whole thing in a fragment, add a button to close, and a hamburger icon to open -

<>
  {showSidebar ? (
    <button
      className="flex text-4xl text-white items-center cursor-pointer fixed right-10 top-6 z-50"
      onClick={() => setShowSidebar(!showSidebar)}
    >
      x
    </button>
  ) : (
    <svg
      onClick={() => setShowSidebar(!showSidebar)}
      className="fixed  z-30 flex items-center cursor-pointer right-10 top-6"
      fill="#2563EB"
      viewBox="0 0 100 80"
      width="40"
      height="40"
    >
      <rect width="100" height="10"></rect>
      <rect y="30" width="100" height="10"></rect>
      <rect y="60" width="100" height="10"></rect>
    </svg>
  )}

  <div className="top-0 right-0 w-[35vw] bg-blue-600  p-10 pl-20 text-white fixed h-full z-40">
    <h3 className="mt-20 text-4xl font-semibold text-white">I am a sidebar</h3>
  </div>
</>

This will not make any difference right now but let's add some conditional classes to the main sidebar div.

<div
  className={`top-0 right-0 w-[35vw] bg-blue-600  p-10 pl-20 text-white fixed h-full z-40 ${
    showSidebar ? "translate-x-0 " : "translate-x-full"
  }`}

If the showSidebar variable is true then it will add the translate-x-0 otherwise translate-x-full. Our sidebar now works 🎉

But it isn't smooth so let us see how to make the animation smooth. Just add these two classes to the blue div-

ease-in-out duration-300

The div should look like this now-

<div
  className={`top-0 right-0 w-[35vw] bg-blue-600  p-10 pl-20 text-white fixed h-full z-40  ease-in-out duration-300 ${
    showSidebar ? "translate-x-0 " : "translate-x-full"
  }`}
>
  <h3 className="mt-20 text-4xl font-semibold text-white">I am a sidebar</h3>
</div>

Our sidebar animation looks very smooth and great! 🥳

Hope you liked this tutorial and add nice animation to the sidebar in your project. Peace ✌️

GitHub repo

Animate and Change Header Background on Scroll

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