platform-trace-dashboard/scripts/build.js

const path = require('path')
const fs = require('fs-extra')
const ora = require('ora')
const chalk = require('chalk')
const webpack = require('webpack')

module.exports = (env, config) => {
  const spinner = ora(`Building for ${env}...`)
  spinner.start()
  fs.emptyDirSync(path.resolve(__dirname, '../dist'))

  const compiler = webpack(config)
  compiler.run((err, stats) => {
    spinner.stop()

    if (err) {
      console.error(err.stack || err)
      if (err.details) {
        console.error(err.details)
      }
      return
    }

    process.stdout.write(
      stats.toString({
        children: false,
        chunks: false,
        colors: true,
        modules: false,
        chunkModules: false,
        hash: false,
      }) +
      '\n\n',
    )

    if (stats.hasErrors()) {
      return console.log(chalk.white.bgRed('Build failed.\n'))
    }

    // if (stats.hasWarnings()) {
    //   return console.log(chalk.white.bgGreenBright(
    //     'Build success, but with warnings.\n'))
    // }
    console.log(chalk.white.bgGreen('Build success.\n'))
  })
}