webpack.browser.config.js

const webpack = require("webpack");
const autoprefixer = require("autoprefixer");
const BROWSER_BUNDLE_FILE_NAME = "bundleBrowser.js";

module.exports = {
  entry: ["babel-polyfill", "./app/index.tsx"],
  output: {
    filename: `./dist/${BROWSER_BUNDLE_FILE_NAME}`,
  },
  resolve: {
    extensions: [".webpack.js", ".web.js", ".ts", ".tsx", ".js"],
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        loader: "ts-loader",
      },
      {
        test: /\.svg$/,
        loader: "svg-sprite-loader",
        options: {
          classPrefix: false,
          idPrefix: true,
        },
      },
      {
        test: /\.html$/,
        use: ["raw-loader"],
      },
      {
        test: /\.md?$/,
        use: [{ loader: "html-loader" }, { loader: "markdown-loader" }],
      },
      {
        test: /\.css$/,
        use: ["isomorphic-style-loader", "css-loader"],
      },
      {
        test: /\.scss$/,
        use: [
          { loader: "isomorphic-style-loader" },
          {
            loader: "css-loader",
            options: {
              modules: true,
              localIdentName: "[name]__[local]__[hash:base64:3]",
            },
          },
          {
            loader: "postcss-loader",
            options: {
              plugins: function() {
                return [require("precss"), require("autoprefixer"), require("postcss-flexbugs-fixes")];
              },
            },
          },
          { loader: "sass-loader" },
        ],
      },
    ],
  },
  node: {
    fs: "empty",
  },
  externals: {
    "react/lib/ExecutionEnvironment": true,
    "react/lib/ReactContext": true,
    "react/addons": true,
  },
  plugins: [
    new webpack.DefinePlugin({
      "process.env.NODE_ENV": JSON.stringify("production"),
    }),
    new webpack.optimize.OccurrenceOrderPlugin(),
    new webpack.NoEmitOnErrorsPlugin(),
  ],
};