0.5.6 • Public • Published

TypeScript Loader for webpack

webpack-typescript is a lightweight, cleanly designed TypeScript loader for webpack allowing you to pack multiple modules written in TypeScript into a bundle. It supports TypeScript 1.5, 1.6, and experimentally supports nightly builds of upcoming TypeScript 1.7 and 1.8.


To install webpack-typescript run the following command in your project directory:

npm install webpack-typescript --save-dev

And if you want to use a nightly build of TypeScript, also install typescript@next before or after installing webpack-typescript:

npm install typescript@next --save-dev


Here is a sample webpack.config.js file featuring webpack-typescript loader:

module.exports = {
    entry: './index',
    output: {
        path: __dirname + '/dist',
        filename: 'bundle.js'
    resolve: {
        extensions: ['', '.js', '.ts', '.tsx']
    devtool: 'source-map', // if we want a source map
    module: {
        loaders: [
                test: /\.tsx?$/,
                loader: 'webpack-typescript?target=ES5&jsx=react'

Here you can find more about configuring webpack.

Compiler Options

TypeScript compiler options can be supplied as loader query parameters (like in the sample webpack.config.js above), and by a standard tsconfig.json file. Note that the "files" and "exclude" sections in tsconfig.json are ignored, because now webpack decides what to compile. Likewise, the loader ignores the compiler options "out", "outFile", "outDir", "rootDir", "sourceRoot", and "mapRoot".

webpack-typescript uses the same algorithm to find a tsconfig.json as TypeScript compiler uses itself, i.e. first look in the current working directory, then in ancestor directories until it is found.

If you have a question, a bug report, or a feature request, please don't hesitate to post an issue in the issue tracker.

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