webpack.config.js

const webpack = require('webpack');

module.exports = {
  entry: ['react-hot-loader/patch', './index.web.js'],
  devServer: {
    hot: true,
    static: __dirname,
  },
  optimization: {
    moduleIds: 'named',
  },
  plugins: [new webpack.HotModuleReplacementPlugin()],
  module: {
    rules: [
      {
        test: /\.js?$/,
        exclude: /node_modules/,
        loader: 'babel-loader',
        options: {
          babelrc: false,
          presets: [
            '@babel/preset-env',
            'react',
            'module:@react-native/babel-preset',
          ],
          plugins: ['react-hot-loader/babel'],
        },
      },
      {
        test: /\.svg$/,
        exclude: /node_modules/,
        use: [
          {
            loader: '@svgr/webpack',
          },
        ],
      },
    ],
  },
  resolve: {
    alias: {
      'react-native': 'react-native-web',
    },
    extensions: ['.web.js', '.js', '.web.jsx', '.jsx'],
    mainFields: ['browser', 'main'],
  },
};