Gain insights into React fundamentals and Hooks. Delve into styling, app maintenance, and performance optimization. Discover hands-on experience by building a Hacker News app for your portfolio.

road_to_react.tar.gz

React JSX-copy

axios-react

Typescript-React

React World (Advanced)

Unit_Integration_test

Unit Integration test Jest

This is a relaunch of my existing course, The Road to Learn React. A lot has changed in React since I first created this course, and so here I am to give you all the information you need to work with modern React. (If you’re looking for content on legacy React, the old course is still available as well.)

In this course you will take a deep dive into React fundamentals, covering all new React concepts including Hooks. I do address some legacy features in case you’re working with an older codebase, but the majority of this course will focus on working with modern React. You will learn how to style your app, techniques for maintaining your app, and some more advanced concepts like performance optimization.

Throughout the course, you will gain hands-on experience by building a Hacker News app, and by the end of this course, you will be prepared to build your own applications and have something to showcase in your portfolio.

The Road to React: The One with Hooks

# Solution
First, we will refactor all `url` to `urls` state and all `setUrl` to `setUrls` state updater functions. Instead of initializing the state with a `url` as a string, make it an array with the initial `url` as its only entry:


const App = () => {
  ...
  const [urls, setUrls] = React.useState([
    `${API_ENDPOINT}${searchTerm}`,
  ]);

  ...
};

Second, instead of using the current `url` state for data fetching, use the last `url` entry from the `urls` array. If another `url` is added to the list of `urls`, it is used to fetch data instead:


And third, instead of storing `url` string as state with the state updater function, concat the new `url` with the previous `urls` in an array for the new state:


Learn to fetch stories for the search term when the button is clicked by recalling last searches.

Introduction

Fundamentals of React

React Legacy

Styling in React

React Maintenance

React World (Advanced)

Deploying a React Application

Final Words

Appendix

Solution Review: Remember Last Searches