import locales from "../locales/index.js";
import pkg from "../package.json" assert { type: "json" };
import webpack from "webpack";
import path from "path";
import { fileURLToPath } from "url";

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const isProduction = process.env.NODE_ENV === "production";

const config: webpack.Configuration = {
    mode: isProduction ? "production" : "development",
    stats: "errors-only",
    entry: "./src/sw.ts",
    output: {
        path: path.resolve(__dirname, "../built/_sw_dist_"),
        filename: "sw.js",
    },
    resolve: {
        extensions: [".js", ".ts"],
    },
    module: {
        rules: [
            {
                test: /\.ts$/,
                exclude: /(node_modules|bower_components)/,
                use: {
                    loader: "swc-loader",
                    options: {
                        // This makes swc-loader invoke swc synchronously.
                        sync: true,
                        jsc: {
                            parser: {
                                syntax: "typescript",
                            },
                        },
                    },
                },
            },
        ],
    },
    plugins: [
        new webpack.DefinePlugin({
            _VERSION_: JSON.stringify(pkg.version),
            _LANGS_: JSON.stringify(
                Object.entries(locales).map(([k, v]) => [k, v._lang_])
            ),
            _ENV_: JSON.stringify(process.env.NODE_ENV),
            _DEV_: !isProduction,
            _PERF_PREFIX_: JSON.stringify("Calckey:"),
        }),
    ],
};

export default config;