webpack.config.js

const path = require("path");
const webpack = require("webpack");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const CleanWebpackPlugin = require("clean-webpack-plugin");

module.exports = {
  entry: {
    app: "./src/index.js"
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        loader: "babel-loader"
      },
      {
        test: /\.scss$/,
        use: [
          {
            loader: "style-loader"
          },
          { loader: "css-loader" },
          {
            loader: "postcss-loader",
            options: {
              plugins: function() {
                // post css plugins, can be exported to postcss.config.js
                return [require("precss"), require("autoprefixer")];
              }
            }
          },
          { loader: "sass-loader" }
        ]
      }
    ]
  },
  devServer: {
    contentBase: "./dist"
  },
  devtool: "inline-source-map",
  plugins: [
    new CleanWebpackPlugin(["dist"]),
    new HtmlWebpackPlugin({
      title: "EspressoRista",
      template: "./src/index.html"
    }),
    new webpack.DefinePlugin({
      "process.env.NODE_ENV": JSON.stringify(
        process.env.NODE_ENV || "development"
      )
    })
  ],
  output: {
    filename: "[name].bundle.js",
    path: path.resolve(__dirname, "dist")
  },
  performance: {
    hints: false
  }
};