rework.js
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TypeScriptInstallTypecheckingFlowBabel Config
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TypeScript

Install

rework.js treats TypeScript files like other files. While tsc won't be used, you can use the built-in babel integration to compile typescript files by adding the @babel/preset-typescript package to babel.config.js.

// babel.config.js
module.exports = {
presets: [
['@reworkjs/core/babel-preset'],
['@babel/preset-typescript', {
isTSX: true,
allExtensions: true,
}],
],
};

Typechecking

Babel will not check whether the typing is correct when building, but you can use tsc to typecheck with this command: tsc --noEmit --project tsconfig.json --skipLibCheck.
You will need to install TypeScript (npm i -D typescript)

You will also need to configure tsc through tsconfig:

// tsconfig.json
{
"compilerOptions": {
"module": "commonjs",
"target": "es6",
"jsx": "react",
"strict": true,
"moduleResolution": "node",
"sourceMap": true,
"rootDir": "src",
"noEmit": true,
"baseUrl": ".",
"paths": {
"*": [
"node_modules/*",
"types/*"
]
}
},
"include": [
"src/**/*"
]
}

rework.js uses a number of libraries with which you will interact. Please install their typing to avoid any typing error:

npm i -D @types/loadable__component

CSS TypeChecking

Because we import css files as if it were JavaScript, we need to tell TypeScript how to interpret it. Simply adding the following file in your project will do it:

// style.d.ts
// css & css modules
declare module '*.css' {
const classes: { [key: string]: string };
export default classes;
}
// scss & scss modules
declare module '*.scss' {
const classes: { [key: string]: string };
export default classes;
}