webpack.config.js

const path = require('path')
const srcPath = path.join(process.cwd(), 'src') + path.sep
const outputPath = path.join(__dirname, 'build') + path.sep
const widgetWebpack = require('materia-widget-development-kit/webpack-widget')
const rules = widgetWebpack.getDefaultRules()
const entries = widgetWebpack.getDefaultEntries()
const copy = widgetWebpack.getDefaultCopyList()

// no creator
delete entries['creator.css']
delete entries['creator.js']

// change player.js from '.coffee' to '.js'
entries['player.js'] = [srcPath+'player.js']

// copy libs from node_modules
const customCopy = copy.concat([
	{
		from: path.join(process.cwd(), 'node_modules', 'jsxgraph', 'distrib', 'jsxgraphcore.js'),
		to: path.join(outputPath, 'vendor', 'jsxgraph')
	},
	{
		from: path.join(process.cwd(), 'node_modules', 'jquery', 'dist', 'jquery.min.js'),
		to: path.join(outputPath, 'vendor', 'jquery')
	},
	{
		from: path.join(process.cwd(), 'node_modules', 'mathquill', 'build'),
		to: path.join(outputPath, 'vendor', 'mathquill')
	}
])

// babel webpack rule
const babelJS = {
	test: /\.js$/i,
	exclude: /node_modules/,
	use: {
		loader: 'babel-loader',
		options: {
			presets: ['env']
		}
	}
};

let customRules = [
	rules.copyImages,
	rules.loadHTMLAndReplaceMateriaScripts,
	rules.loadAndPrefixCSS,
	rules.loadAndPrefixSASS,
	babelJS, // <--- Babel loader
]

// options for the build
let options = {
	entries: entries,
	copyList: customCopy,
	moduleRules: customRules
}

module.exports = widgetWebpack.getLegacyWidgetBuildConfig(options)