webpack.common.js

const path = require('path');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');

module.exports = {
  target: 'web',
  mode: 'development',
  devtool: 'eval-source-map',
  devServer: {
    port: 13666,
  },
  entry: {
    index: path.join(__dirname, './src/index.tsx'),
  },
  output: {
    path: path.join(__dirname, 'html'),
    filename: '[name].js',
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js'],
    plugins: [new TsconfigPathsPlugin()],
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: ['babel-loader', '@linaria/webpack-loader'],
        exclude: /node_modules/,
      },
      {
        test: /\.svg$/,
        use: ['@svgr/webpack', 'svgo-loader'],
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
          },
          {
            loader: 'css-loader',
            options: { url: false },
          },
        ],
      }, {
        test: /\.json$/,
        loader: 'json-loader',
        include: '/build/contracts/',
      },
      {
        test: /\.scss$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'style-loader',
          },
          {
            loader: 'css-loader',
            options: {
              sourceMap: true,
            },
          },
          {
            loader: 'sass-loader',
            options: {
              sourceMap: true,
            },
          },
        ],
      },
    ],
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: 'styles.css',
    }),
    new CopyWebpackPlugin({
      patterns: [
        {
          from: path.join(__dirname, 'src/wasm'),
          to: path.join(__dirname, 'html/'),
          context: 'public',
        },
        {
          from: path.join(__dirname, 'src/assets'),
          to: path.join(__dirname, 'html/assets'),
          context: 'public',
        },
        {
          from: path.join(__dirname, 'src/index.html'),
          to: path.join(__dirname, 'html'),
          context: 'public',
        },
      ],
    }),
  ],
  externals: ['fs'],
};