webpack.config.js

const path = require('path')
const createStyledComponentsTransformer = require('typescript-plugin-styled-components')
  .default
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CopyWebpackPlugin = require('copy-webpack-plugin')

module.exports = {
  entry: './src/index.tsx',
  mode: 'development',
  output: {
    filename: '[name].bundle.js',
    chunkFilename: '[name].bundle.js',
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/',
  },
  devtool: 'source-map',
  devServer: {
    contentBase: './dist',
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.json'],
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        loader: 'awesome-typescript-loader',
        options: {
          getCustomTransformers: () => ({
            before: createStyledComponentsTransformer(),
          }),
          useCache: true,
          useBabel: true,
          babelCore: '@babel/core',
        },
      },
      { enforce: 'pre', test: /\.js$/, loader: 'source-map-loader' },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      {
        test: /\.css$/,
        use: [{ loader: 'style-loader' }, { loader: 'css-loader' }],
      },
      {
        test: /\.svg$/,
        loader: 'svg-inline-loader',
        options: {
          removeSVGTagAttrs: true,
          removeTags: true,
          removingTags: ['title', 'desc'],
        },
      },
    ],
  },

  plugins: [
    new CopyWebpackPlugin([
      {
        from: 'src/assets/',
        to: './',
      },
    ]),
    new HtmlWebpackPlugin({
      title: 'Latex Equation Toolbox',
      template: './src/index.html',
    }),
  ],

  // 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',
  },
}