TypeScript Support

Setup

Docusaurus supports writing and using TypeScript theme components. To start using TypeScript, add @docusaurus/module-type-aliases to your project:

npm install --save-dev typescript @docusaurus/module-type-aliases

Then add tsconfig.json to your project root with following content:

tsconfig.json
{
"compilerOptions": {
"allowJs": true,
"esModuleInterop": true,
"jsx": "react",
"lib": ["DOM"],
"noEmit": true,
"noImplicitAny": false
},
"include": ["src/"]
}

Docusaurus doesn't use this tsconfig.json to compile your TypeScript. It is added just for a nicer Editor experience, although you can choose to run tsc --noEmit to type check your code for yourself.

Then add types.d.ts in your src folder with the following content:

src/types.d.ts
/// <reference types="@docusaurus/module-type-aliases" />

This file makes TypeScript recognize various Docusaurus specific webpack aliases like @theme, @docusaurus, @generated.

Now you can start writing TypeScript theme components.

Swizzling TypeScript theme components

For themes that supports TypeScript theme components, you can add the --typescript flag to the end of swizzling command to get TypeScript source code. For example, the following command will generate index.tsx and styles.module.css into src/theme/Footer.

npm run swizzle @docusaurus/theme-classic Footer --typescript

At this moment, the only official Docusaurus theme that supports TypeScript theme components is @docusaurus/theme-classic. If you are a Docusaurus theme package author who wants to add TypeScript support, see the Lifecycle APIs docs.

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