ykit-config-es6/index.js

'use strict';

var path = require('path');
var HappyPack = require('happypack');

exports.config = function (options, cwd) {
    var baseConfig = this.config,
        defaultQuery = {
            cacheDirectory: true,
            presets: [
                ["es2015", {"loose": true}],
                'es2017',
                'stage-0',
                'stage-1',
                'stage-2',
            ],
            plugins: ['transform-es2015-modules-simple-commonjs']
        },
        testReg = options.test ? options.test : /\.(js|jsx)$/,
        exclude = options.exclude ? options.exclude : /node_modules/,
        query = options.modifyQuery ? options.modifyQuery(defaultQuery) : defaultQuery,
        happyPackConfig = {
            loaders: [
                {
                    loader: 'babel-loader',
                    test: testReg,
                    exclude: exclude,
                    query: query
                }
            ],
            threads: 4,
            verbose: false,
            cacheContext: {
                env: process.env.NODE_ENV
            },
            tempDir: path.join(cwd, 'node_modules/.happypack'),
            cachePath: path.join(cwd, 'node_modules/.happypack/cache--[id].json')
        };

    happyPackConfig = options.modifyHappypack ? options.modifyHappypack(happyPackConfig) : happyPackConfig;

    extend(true, baseConfig, {
        module: {
            loaders: baseConfig.module.loaders.concat([{
                test: testReg,
                exclude: exclude,
                loader: 'happypack/loader'
            }])
        },
        plugins: baseConfig.plugins.concat([
            new HappyPack(happyPackConfig)
        ])
    });
};