"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const fliplog_1 = __importDefault(require("fliplog"));
const webpack_1 = require("webpack");
const BANNER_CONFIG = {
    banner: 'require("source-map-support").install();',
    raw: true,
    entryOnly: false,
};
const loader = {
    test: /\.js$/,
    use: [require.resolve('source-map-loader')],
    enforce: 'pre',
};
/**
 * @see https://webpack.js.org/plugins/source-map-dev-tool-plugin/
 * @see https://webpack.js.org/plugins/banner-plugin/
 * @see https://reactjs.org/docs/cross-origin-errors.html
 * @see https://github.com/webpack-contrib/source-map-loader
 *
 * @name client
 *    @type {dev} inline or source-map-file for client
 *    @type {prod} hidden sourcemaps
 *
 * @name server
 *    @type {dev | prod | *} add source-map lib using BannerPlugin
 *      (so it's not part of webpack bundle & all chunks/output-files get it for node)
 *      @see https://github.com/mozilla/source-map
 *
 */
function sourceMapMiddleware(config, options) {
    const { isServer, isDev } = options;
    const FORCE_SOURCE_MAPS = process.env.FORCE_SOURCE_MAPS;
    if (isServer) {
        const plugin = new webpack_1.BannerPlugin(BANNER_CONFIG);
        config.plugins.push(plugin);
    }
    else {
        // https://www.snip2code.com/Snippet/568096/hot-reload-webpackHotUpdate-is-not-defin
        // https://github.com/gaearon/react-hot-loader/issues/834
        // https://github.com/webpack/webpack/issues/5776
        // const HMR_BANNER_CONFIG = {
        //   banner: `window.webpackHotUpdate = window.webpackHotUpdate || function() { console.log('HMR BUG') }`,
        //   raw: true,
        //   entryOnly: false,
        // }
        // const plugin = new BannerPlugin(HMR_BANNER_CONFIG)
        // config.plugins.push(plugin)
    }
    // Include source maps for ANY node bundle so that we can support
    // nice stack traces for errors (the source maps get consumed by
    // the `node-source-map-support` module to allow for this).
    //
    // Always include source maps for any development build.
    // Allow for the following flag to force source maps even for production
    // builds.
    //
    // >>>>>>>>>>>>>>>>>>
    // !!!!!!!! WAS ISNODE
    // <<<<<<<<<<<<<<<<<<<<
    if (isServer || FORCE_SOURCE_MAPS) {
        // Produces an external source map (lives next to bundle output files).
        // config.devtool = 'source-map'
        config.devtool = 'cheap-module-source-map';
        // config.devtool = 'inline-source-map'
    }
    else {
        // const IS_STAGING = ('STAGING')
        if (isDev) {
            // Produces source map,
            // but no link to the source map is added to the source code
            // which allows re-tracing errors in production behind the scenes without exposing sourcemap
            // config.devtool = 'hidden-source-map'
            // @NOTE enabled for EASY sourcemap in prod
            // config.devtool = 'inline-source-map'
            // https://reactjs.org/docs/cross-origin-errors.html
            config.devtool = 'cheap-module-source-map';
        }
        else if (process.env.OPTIMIZE) {
            fliplog_1.default.bold('IS_STAGING_EH').echo();
            config.devtool = 'hidden';
            // @note - can enable this when debugging uglified
            // ^ debugging it now
            console.warn('ENABLED_SOURCEMAPS');
        }
        // @todo ! - currently has issues with the worker loader...
        // config.module.rules.unshift(loader)
        if (process.env.FORCE_SOURCE_MAPS) {
            config.devtool = 'cheap-module-source-map';
        }
    }
}
exports.default = sourceMapMiddleware;
//# sourceMappingURL=sourceMaps.js.map