const webpack = require("webpack");
const path = require('path');
const locales = require('../../locales');
const meta = require('../../package.json');

const isProduction = process.env.NODE_ENV === "production";

module.exports = {
    mode: isProduction ? "production" : "development",
    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(meta.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:'),
        })
   ]
}