webpack.config.mjs

import WebExtPlugin from "web-ext-plugin";
import CopyPlugin from "copy-webpack-plugin";
import {LicenseFilePlugin}  from "generate-license-file-webpack-plugin";
import { readFile } from "fs/promises";

import path from "path";
import { Transform } from "stream";
const __dirname = path.resolve();

let pckgJson;
readFile("./package.json").then(data => {
    pckgJson = JSON.parse(data);
});

const config = {
    entry: {
        "background/Background": "/src/background/Background.js",
        "settings/Settings": "/src/settings/Settings.js",
        "popup/Popup": "/src/popup/Popup.js",
        "blocked/Blocked": "/src/blocked/Blocked.js"
    },
    devtool: "source-map",
    output: {
        path: __dirname+"/dist",
        filename: "[name].js"
    },
    plugins: [
        new CopyPlugin({
            patterns: [
                {
                    from: "src/static",
                    to: "static",
                    globOptions: {
                        dot: false,
                    },
                }, 
                {
                    from: "src/manifest.json",
                    to: "manifest.json",
                    transform(content, absoluteFrom) {
                        content = JSON.parse(content);
                        content.version = pckgJson.version;
                        content.description = pckgJson.description;
                        return JSON.stringify(content, null, 2);
                    }, 
                },
                { from: "src/popup/Popup.html", to: "popup/Popup.html" },
                { from: "src/popup/Popup.css", to: "popup/Popup.css" },
                { from: "src/blocked/Blocked.html", to: "blocked/Blocked.html"},
                { from: "src/blocked/Blocked.css", to: "blocked/Blocked.css"},
                { from: "src/background/Background.html", to: "background/Background.html" },
                { from: "src/settings/Settings.html", to: "settings/Settings.html" }, 
                { from: "node_modules/webextension-polyfill/dist/browser-polyfill.js" }
            ],
        }),
        new WebExtPlugin({
            sourceDir: __dirname+"/dist",
            overwriteDest: true,
            startUrl: "about:debugging",
            browserConsole: true,
            devtools: true
        }),
        new LicenseFilePlugin({
            outputFileName: "license-acknowledgements.txt"
        })
    ],
};


export default config;