webpackコンフィグファイル

webpack.config.js

const path = require('path');
const webpack = require('webpack');

const config = {
  entry: {
    app: ['./index.js'],
  },
  output: {
    path: path.resolve((__dirname, 'dist')),
    filename: 'bundle.js',
  },
  devtool: 'source-map',
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: [{
          loader: 'babel-loader',
          options: { babelrc: true },
        }],
      },
    ],
  },
  optimization: {
  },
  devServer: {
    contentBase: path.resolve(__dirname, 'public'),
    watchContentBase: true,
    host: '0.0.0.0',
    port: 8000,
    https: false
  },
};

module.exports = config;