webpack.config.tsx

const ExtractTextPlugin = require("extract-text-webpack-plugin");

module.exports = {
    entry: "./src/index.tsx",
    output: {
        filename: "bundle.js",
        path: __dirname + "/dist",
    },

    mode: "development",

    // Enable sourcemaps for debugging webpack's output.
    devtool: "source-map",

    resolve: {
        // Add '.ts' and '.tsx' as resolvable extensions.
        extensions: [".ts", ".d.ts", ".tsx", ".js", ".json"],
    },

    module: {
        rules: [
            // All files with a '.ts' or '.tsx' extension will be handled by 'awesome-typescript-loader'.
            { test: /\.tsx?$/, loader: "awesome-typescript-loader" },

            // All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
            {
                enforce: "pre",
                test: /\.js$/,
                loader: "source-map-loader",
                exclude: [
                    // These modules have broken source maps
                    /react-rte/,
                ],
            },

            // Compile scss files
            {
                test: /\.scss$/,
                use: ExtractTextPlugin.extract({
                    fallback: "style-loader",
                    use: [
                        "css-loader",
                        "sass-loader",
                    ],
                }),
            },

            // Compile less files
            {
                test: /\.less$/,
                use: [
                    {
                        loader: "style-loader",
                    },
                    {
                        loader: "css-loader",
                    },
                    {
                        loader: "less-loader",
                    },
                ],
            },

            // Load plain css
            {
                test: /\.css$/,
                use: [
                    {
                        loader: "style-loader",
                    },
                    {
                        loader: "css-loader",
                    },
                ],
            },
        ],
    },

    plugins: [
        new ExtractTextPlugin("bundle.css"),
    ],

    // When importing a module whose path matches one of the following, just
    // assume a corresponding global variable exists and use that instead.
    // This is important because it allows us to avoid bundling all of our
    // dependencies, which allows browsers to cache those libraries between builds.
    externals: {
        "react": "React",
        "react-dom": "ReactDOM",
    },
};