webpack.config.js

const path = require("path");
const webpack = require("webpack");
const HtmlWebpackPlugin = require('html-webpack-plugin');

const PATHS = {
    entryPoint: path.resolve(__dirname, 'src/index.ts'),
    bundles: path.resolve(__dirname, 'lib'),
};

const config = {
    // These are the entry point of our library. We tell webpack to use
    // the name we assign later, when creating the bundle. We also use
    // the name to filter the second entry point for applying code
    // minification via UglifyJS
    entry: {
        'inspectorjs-lib': [PATHS.entryPoint],
        'inspectorjs-lib.min': [PATHS.entryPoint]
    },
    // The output defines how and where we want the bundles. The special
    // value `[name]` in `filename` tell Webpack to use the name we defined above.
    // We target a UMD and name it MyLib. When including the bundle in the browser
    // it will be accessible at `window.MyLib`
    output: {
        publicPath: '/',
        path: PATHS.bundles,
        filename: '[name].js',
        libraryTarget: 'umd',
        library: 'inspectorjs',
        umdNamedDefine: true
    },
    // Add resolve for `tsx` and `ts` files, otherwise Webpack would
    // only look for common JavaScript file extension (.js)
    resolve: {
        extensions: ['.ts', '.tsx', '.js']
    },
    // Activate source maps for the bundles in order to preserve the original
    // source when the user debugs the application
    // devtool: 'source-map',
    devtool: 'eval', // https://github.com/webpack/webpack/issues/1487#issuecomment-209299242
    plugins: [
        // Apply minification only on the second bundle by
        // using a RegEx on the name, which must end with `.min.js`
        // NB: Remember to activate sourceMaps in UglifyJsPlugin
        // since they are disabled by default!
        new webpack.optimize.UglifyJsPlugin({
            minimize: true,
            sourceMap: true,
            include: /\.min\.js$/,
        }),
        new HtmlWebpackPlugin({
            inject: 'head',
            filename: 'samples/index.html',
            template: 'samples/index.html'
        }),
        new HtmlWebpackPlugin({
            inject: 'head',
            filename: 'samples/index_webworkers.html',
            template: 'samples/index_webworkers.html'
        })
    ],
    module: {
        // Webpack doesn't understand TypeScript files and a loader is needed.
        // `node_modules` folder is excluded in order to prevent problems with
        // the library dependencies, as well as `__tests__` folders that
        // contain the tests for the library
        loaders: [{
            test: /\.tsx?$/,
            loader: 'awesome-typescript-loader',
            exclude: /node_modules/,
            query: {
                // we don't want any declaration file in the bundles
                // folder since it wouldn't be of any use ans the source
                // map already include everything for debugging
                declaration: false,
            }
        }, {
            test: /\.scss$/,
            loaders: ['style-loader', 'css-loader', 'sass-loader'],
            exclude: /node_modules/
        }]
    }
};

module.exports = config;