import ora from 'ora'
import webpack from 'webpack'
import config from './webpack.package.config'

const spinner = ora('Building …')

export default new Promise((resolve, reject) => {
	spinner.start()

	webpack(config, (error, stats) => {
		if (error) {
			return reject(error)
		}

		if (stats.hasErrors()) {
			process.stdout.write(stats.toString() + "\n");
			return reject(new Error('Build failed with errors.'))
		}

		return resolve('Build complete.')
	})
})
.then(success => spinner.succeed(success))
.catch(error => spinner.fail(error))