webpack.common.js

const path = require('path')
const autoprefixer = require('autoprefixer')
const CleanWebpackPlugin = require('clean-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')

module.exports = {
  entry: {
    app: './src/index.js'
  },
  plugins: [
    new CleanWebpackPlugin(['dist']),
    new HtmlWebpackPlugin({
      template: __dirname + '/src/index.html',
      filename: 'index.html',
      inject: 'body'
    }),
  ],
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js',
    chunkFilename: '[id].js',
    publicPath: '/'
  },
  resolve: {
    extensions: ['.js', '.jsx', ".json"],
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        use: [
          {
            loader: 'babel-loader',
            options: {
              presets: ['env','react', 'stage-2']
            }
          }
        ],
        exclude: /node_modules/
      },
      {
        test: /\.css$/,
        exclude: /node_modules/,
        use: [
          { loader: 'style-loader' },
          {
            loader: 'css-loader',
            options: {
              importLoaders: 1,
              modules: true,
              localIdentName: '[name]__[local]__[hash:base64:5]'
            }
          },
          {
            loader: 'postcss-loader',
            options: {
              ident: 'postcss',
              plugins: () => [
                autoprefixer({ browsers: ['>1%', 'last 2 versions'] })
              ]
            }
          }
        ]
      },
      {
        test: /\.(png|jpe?g|gif)$/,
        loader: 'url-loader?limit=8000&name=images/[name].[ext]'
      }
    ]
  },
  devServer: {
    historyApiFallback: true,
  },
  
}