youtube-extension/webpack.config.mjs at master · arellak/youtube-extension · GitHub

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import HtmlWebpackPlugin from "html-webpack-plugin";
import CopyPlugin from "copy-webpack-plugin";
import path from "path";

function getHtmlPlugins(chunks){
  return chunks.map(
    (chunk) =>
      new HtmlWebpackPlugin({
        title: "YouTube extension",
        filename: `./js/${chunk}.html`,
        chunks: [chunk],
        templateContent: `
          <!DOCTYPE html>
          <html>
            <head>
              <meta charset="utf-8">
              <title>YouTube extension</title>
            </head>
            <body>
              <div id="root"></div>
            </body>
          </html>
        `,
      }),
  );
}

const options = {
  entry: {
    background: "./src/background/background.js",
    contentScript: "./src/contentScript/index.js",
    popup: "./src/popup/index.js",
  },
  mode: "production",
  module: {
    rules: [
      {
        test: /\.js$/,
        use: [
          {
            loader: "babel-loader",
            options: {
              presets: ["@babel/env", "@babel/preset-react"],
            },
          },
        ],
        exclude: /node_modules/,
      },
      {
        exclude: /node_modules/,
        test: /\.css$/,
        use: [
          "style-loader",
          "css-loader",
        ],
      },
    ],
  },
  plugins: [
    new CopyPlugin({
      patterns: [
        { from: "./manifest.json", to: "./manifest.json" },
      ],
    }),
    ...getHtmlPlugins(["index", "popup"]),
  ],
  resolve: {
    extensions: [".js", ".jsx"],
  },
  output: {
    path: path.resolve("./dist/"),
    filename: "./js/[name].js",
    publicPath: "/",
  },
  optimization: {
    splitChunks: {
      chunks(chunk){
        return chunk.name !== "contentScript";
      },
    },
  },
};

export default options;