webpack.config.js

const TsconfigPathsPlugin = require("tsconfig-paths-webpack-plugin")
const CopyWebPackPlugin = require("copy-webpack-plugin")
// const WebpackShellPlugin = require('webpack-shell-plugin')

const fileExtensions = [".ts", ".tsx", ".js", ".json"]

module.exports = {
    mode: "production",
    entry: {
        background: "./src/background.ts",
        content: "./src/content.ts",
        commandline_frame: "./src/commandline_frame.ts",
        help: "./src/help.ts",
        newtab: "./src/newtab.ts",
    },
    output: {
        filename: "[name].js",
        path: __dirname + "/build",
    },

    // Enable sourcemaps for debugging webpack's output.
    devtool: "source-map",

    resolve: {
        // Add '.ts' and '.tsx' as resolvable extensions.
        extensions: fileExtensions,
        plugins: [new TsconfigPathsPlugin({extensions: fileExtensions})]
    },

    module: {
        rules: [
            // All files with a '.ts' or '.tsx' extension will be handled by 'ts-loader'.
            { test: /\.tsx?$/, loader: "ts-loader" },

            // All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
            { enforce: "pre", test: /\.js$/, loader: "source-map-loader" },
        ],
    },

    plugins: [
        // new UglifyJSPlugin({
        //     uglifyOptions: {
        //         ecma: 8
        //     }
        // }),
        // new WebpackShellPlugin({onBuildStart: [
        //     'mkdir -p generated/static',
        //     'scripts/excmds_macros.py',
        //     'scripts/newtab.md.sh',
        //     'scripts/make_docs.sh',
        // ]}),
        new CopyWebPackPlugin([
            { from: "src/manifest.json" },
            {
                from: "src/static",
                to: "static",
                ignore: ["*.psd", "*1024px.png"],
            },
            { from: "generated/static", to: "static" },
            { from: "issue_template.md" },
        ]),
    ],
    // Fix css
    // https://github.com/webpack-contrib/css-loader/issues/447#issuecomment-285598881
    node: {
        fs: "empty",
    },
}