flow-cadence-eth-utils/webpack.config.js at main · sisyphusSmiling/flow-cadence-eth-utils · GitHub

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const path = require('path');
const TerserPlugin = require('terser-webpack-plugin');

module.exports = {
  entry: {
    main: './src/main.js'
  },
  output: {
    filename: chunkData => {
      return chunkData.chunk.name === 'main' ? 'bundle.js' : '[name].bundle.js';
    },
    path: path.resolve(__dirname, 'public'),
  },
  mode: 'production',
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules\/(?!(@onflow))/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: [
              ['@babel/preset-env', {
                modules: false
              }]
            ]
          }
        }
      }
    ]
  },
  optimization: {
    usedExports: true,
    minimize: true,
    minimizer: [new TerserPlugin({
      terserOptions: {
        compress: {
          drop_console: true,
        },
        output: {
          comments: false,
        },
      },
      extractComments: false,
    })],
    splitChunks: {
      chunks: 'all',
      cacheGroups: {
        vendors: {
          test: /[\\/]node_modules[\\/]/,
          name: 'vendors',
          chunks: 'all'
        }
      }
    }
  }
};