webpack.config.ts

const webpack = require('webpack');

const isCi = process.env.CI && process.env.CI !== '';
module.exports = {
  mode: 'development',
  devtool: 'cheap-module-source-map',
  entry: {
    index: './source/main/index.js',
    preload: './source/main/preload.js'
  },
  optimization: {
    // https://github.com/webpack/webpack/issues/7470
    nodeEnv: false
  },
  output: {
    filename: '[name].js'
  },

  /**
   * Set target to Electron specific node.js env.
   * https://github.com/chentsulin/webpack-target-electron-renderer#how-this-module-works
   */
  target: 'electron-main',
  cache: true,

  /**
   * Disables webpack processing of __dirname and __filename.
   * If you run the bundle in node.js it falls back to these values of node.js.
   * https://github.com/webpack/webpack/issues/2010
   */
  node: {
    __dirname: false,
    __filename: false
  },
  externals: {
    'js-chain-libs-node': 'commonjs2 js-chain-libs-node',
    'trezor-connect': 'commonjs2 trezor-connect'
  },
  module: {
    rules: [{
      test: /\.jsx?$/,
      include: /source/,
      exclude: /source\/renderer/,
      use: (isCi ? [] : ['cache-loader']).concat(['babel-loader'])
    }, {
      test: /(pdfkit|linebreak|fontkit|unicode|brotli|png-js).*\.js$/,
      use: {
        loader: 'transform-loader?brfs'
      }
    }, {
      test: /\.(woff2?|eot|ttf|otf|png|jpe?g|gif|svg)(\?.*)?$/,
      exclude: /\.inline\.svg$/,
      use: {
        loader: 'file-loader',
        options: {
          name: '[name]-[hash].[ext]',
          outputPath: 'assets/'
        }
      }
    }]
  },
  plugins: [new webpack.DefinePlugin(Object.assign({
    'process.env.API_VERSION': JSON.stringify(process.env.API_VERSION || 'dev'),
    'process.env.NETWORK': JSON.stringify(process.env.NETWORK || 'development'),
    'process.env.MOCK_TOKEN_METADATA_SERVER_PORT': process.env.MOCK_TOKEN_METADATA_SERVER_PORT || 0,
    'process.env.MOBX_DEV_TOOLS': process.env.MOBX_DEV_TOOLS || 0,
    'process.env.BUILD_NUMBER': JSON.stringify(process.env.BUILD_NUMBER || 'dev'),
    'process.env.IS_WATCH_MODE': process.env.IS_WATCH_MODE === 'true',
    'process.env.KEEP_LOCAL_CLUSTER_RUNNING': process.env.KEEP_LOCAL_CLUSTER_RUNNING === 'true'
  }, process.env.NODE_ENV === 'production' ? {
    // Only bake in NODE_ENV value for production builds.
    'process.env.NODE_ENV': '"production"'
  } : {}))].filter(Boolean)
};