build.js

// https://github.com/shelljs/shelljs
// 检查NodeJS和npm的版本
require('./check-versions')()

process.env.NODE_ENV = 'production'

// Elegant terminal spinner
var ora = require('ora')
var path = require('path')

// 用于在控制台输出带颜色字体的插件
var chalk = require('chalk')

// 执行Unix命令行的插件
var shell = require('shelljs')
var webpack = require('webpack')
var config = require('../config')

var webpackConfig = require('./webpack.prod.conf')

var spinner = ora('building for production...')
spinner.start() // 开启loading动画

// 输出文件的目标文件夹
var assetsPath = path.join(config.build.assetsRoot, config.build.assetsSubDirectory)

// 递归删除旧的目标文件夹

shell.rm('-rf', assetsPath)

// 重新创建文件夹
shell.mkdir('-p', assetsPath)
shell.config.silent = true
// 将static文件夹复制到输出的目标文件夹
shell.cp('-R', 'static/*', assetsPath)
shell.config.silent = false

// webpack编译
webpack(webpackConfig, function (err, stats) {
spinner.stop() // 停止loading动画
if (err) throw err// 没有出错则输出相关信息

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

console.log(chalk.cyan(' Build complete.\n'))
console.log(chalk.yellow(
' Tip: built files are meant to be served over an HTTP server.\n' +
' Opening index.html over file:// won\'t work.\n'
))
})