"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
/**
 * @todo https://github.com/TypeStrong/ts-loader/blob/master/examples/happypack/webpack.config.js
 */
const happypack_1 = tslib_1.__importDefault(require("happypack"));
const typescriptBabel_1 = tslib_1.__importDefault(require("./typescriptBabel"));
const TYPESCRIPT_ENV = true;
/**
 * @@pnp @note - does not work with pnp yet but can turn off
 * @todo no need for happypack on build prod?
 */
// process.env.PNP === undefined
const IS_HAPPYPACK_ENABLED = false;
let happypackPlugin;
function getHappy() {
    if (happypackPlugin) {
        return happypackPlugin;
    }
    console.log('getHappy');
    const happypackConfig = {
        id: 'ts',
        threads: 2,
        loaders: [
            {
                path: 'ts-loader',
                query: {
                    happyPackMode: true,
                },
            },
        ],
    };
    const plugin = new happypack_1.default(happypackConfig);
    happypackPlugin = plugin;
    return happypackPlugin;
}
function typescriptPlugin(config, options) {
    if (TYPESCRIPT_ENV && !IS_HAPPYPACK_ENABLED) {
        // const pathsToTranspile = options.bundleConfig.srcPaths.map(resolveToRoot)
        const typescriptLoader = {
            test: /\.(tsx|ts|jsx|js)$/,
            exclude: /(node_modules)/,
            // exclude: /node_modules(?!\/\@skava\/ui)/,
            // include: pathsToTranspile,
            use: [
                {
                    /**
                     * @see https://github.com/Microsoft/TypeScriptSamples/blob/master/react-flux-babel-karma/webpack.config.js
                     * @see https://github.com/amireh/happypack/issues/32
                     */
                    loader: require.resolve('babel-loader'),
                    options: Object.assign({}, typescriptBabel_1.default(config, options), { 
                        // false if debugging
                        // cacheDirectory: false,
                        cacheDirectory: true }),
                },
                {
                    /**
                     * @see https://webpack.js.org/guides/build-performance/#typescript-loader
                     * @see https://github.com/TypeStrong/ts-loader#ignorediagnostics-number-default
                     */
                    loader: require.resolve('ts-loader'),
                    options: {
                        // disable type checker - we will use it in fork plugin
                        transpileOnly: true,
                        experimentalWatchApi: true,
                    },
                },
            ],
        };
        config.module.rules.unshift(typescriptLoader);
    }
    if (process.env.SHOULD_BUILD_CHECK_STRICT_TYPESCRIPT) {
        const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');
        const checker = new ForkTsCheckerWebpackPlugin();
        config.plugins.push(checker);
    }
}
exports.default = typescriptPlugin;
//# sourceMappingURL=typescript.js.map