If you are a React developer and want to build your React apps faster and more robustly, this course is for you. Learn to integrate TypeScript with React, boost your productivity, and create apps that are easier to maintain.

In this course, you will learn how to utilize TypeScript’s sophisticated type system to make React development faster and your code more readable. You will learn how to create component props, state, and events that are strongly-typed, allowing you to quickly understand what you can pass and helping you avoid mistakes.

Lastly, you will set up React projects with TypeScript. First, you will learn how to do this with the Create React App tool, then how to create a React and TypeScript project with Webpack and Babel.

Using TypeScript with React

In the CodeSandbox project we were working on in the last lesson, we are going to implement a default value of *"How are you?"* for the `message` prop. We are going to implement this in 2 different ways. 

## defaultProps approach

The first way is to use a static property called `defaultProps` on the function component. This is set to an object literal that contains the values to set the props to:

```
Component.defaultProps = {
  prop1: value1,
  prop2: value2,
  ...
}
```  

In our CodeSandbox project, use the *defaultProps* approach to set the `message` prop to *"How are you?"* by default.

In the CodeSandbox project we were working on in the last lesson, we are going to implement a default value of *"How are you?"* for the `message` prop. We are going to implement this in 2 different ways. 

# defaultProps approach

The first way is to use a static property called `defaultProps` on the function component. This is set to an object literal that contains the values to set the props to:

```
Component.defaultProps = {
  prop1: value1,
  prop2: value2,
  ...
}
```  

In our CodeSandbox project, use the *defaultProps* approach to set the `message` prop to *"How are you?"* by default.

We can provide default values for props where appropriate to simplify the consumption of a component. In this lesson, we'll learn how to do this.

Why TypeScript?

Using basic types

Creating types

Working with generic types

Creating strongly-typed function component props

Creating strongly-typed function component state

Creating strongly-typed class components

Creating strongly-typed component events and event handlers

Creating strongly-typed context

Creating strongly-typed refs

Creating React projects with TypeScript using Create React App

Creating a React and TypeScript project manually

Putting everything together

Specifying a default for a function component prop

defaultProps approach