webpack.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const CopyPlugin = require("copy-webpack-plugin");
const baseManifest = require("./manifest.json");
const WebpackExtensionManifestPlugin = require("webpack-extension-manifest-plugin");

const config = {
  mode: "development",
  devtool: "cheap-module-source-map",
  entry: {
    app: path.join(__dirname, "./static/index.js"),
    background: path.join(__dirname, "./app/background.js")
  },
  output: {
    path: path.resolve(__dirname, "./build"),
    filename: "[name].js"
  },
  resolve: {
    extensions: ["*", ".js"]
  },
  plugins: [
    new HtmlWebpackPlugin({
      title: "Blockchain Adblock",
      meta: {
        charset: "utf-8",
        viewport: "width=device-width, initial-scale=1, shrink-to-fit=no",
        "theme-color": "#000000"
      },
      manifest: "manifest.json",
      filename: "index.html",
      template: "./static/index.html",
      hash: true
    }),
    new CopyPlugin({
      patterns: [
        { from: 'app/images', to: 'images' },
        { from: 'app/css', to: 'css' }
      ]
    }),
    new WebpackExtensionManifestPlugin({
      config: {
        base: baseManifest
      }
    })
  ],
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: ["babel-loader"]
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"]
      },
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: ["file-loader"]
      }
    ]
  },
  node: {
    fs: 'empty'
  }
};

module.exports = config;