关于类似vue-cli 脚手架

 #!/usr/bin/env node

 const download = require('download-git-repo')
 const program = require('commander')
 const exists = require('fs').existsSync
 const path = require('path')
 const ora = require('ora')
 const home = require('user-home')
 const tildify = require('tildify')
 const chalk = require('chalk')
 const inquirer = require('inquirer')
 const rm = require('rimraf').sync
 const logger = require('../lib/logger')
 const generate = require('../lib/generate')
 const checkVersion = require('../lib/check-version')
 const warnings = require('../lib/warnings')
 const localPath = require('../lib/local-path')

 const isLocalPath = localPath.isLocalPath
 const getTemplatePath = localPath.getTemplatePath

 /**
  * Usage.
  */

 program
   .usage('<template-name> [project-name]')
   .option('-c, --clone', 'use git clone')
   .option('--offline', 'use cached template')

 /**
  * Help.
  */

 program.on('--help', () => {
   console.log('  Examples:')
   console.log()
   console.log(chalk.gray('    # create a new project with an official template'))
   console.log('    $ vue init webpack my-project')
   console.log()
   console.log(chalk.gray('    # create a new project straight from a github template'))
   console.log('    $ vue init username/repo my-project')
   console.log()
 })

 /**
  * Help.
  */

 function help () {
   program.parse(process.argv)
   if (program.args.length < 1) return program.help()
 }
 help()

 /**
  * Settings.
  */

 let template = program.args[0]
 const hasSlash = template.indexOf('/') > -1
 const rawName = program.args[1]
 const inPlace = !rawName || rawName === '.'
 const name = inPlace ? path.relative('../', process.cwd()) : rawName
 const to = path.resolve(rawName || '.')
 const clone = program.clone || false

 const tmp = path.join(home, '.vue-templates', template.replace(/[\/:]/g, '-'))
 if (program.offline) {
   console.log(`> Use cached template at ${chalk.yellow(tildify(tmp))}`)
   template = tmp
 }

 /**
  * Padding.
  */

 console.log()
 process.on('exit', () => {
   console.log()
 })

 if (inPlace || exists(to)) {
   inquirer.prompt([{
     type: 'confirm',
     message: inPlace
       ? 'Generate project in current directory?'
       : 'Target directory exists. Continue?',
     name: 'ok'
   }]).then(answers => {
     if (answers.ok) {
       run()
     }
   }).catch(logger.fatal)
 } else {
   run()
 }

 /**
  * Check, download and generate the project.
  */

 function run () {
   // check if template is local
   if (isLocalPath(template)) {
     const templatePath = getTemplatePath(template)
     if (exists(templatePath)) {
       generate(name, templatePath, to, err => {
         if (err) logger.fatal(err)
         console.log()
         logger.success('Generated "%s".', name)
       })
     } else {
       logger.fatal('Local template "%s" not found.', template)
     }
   } else {
     checkVersion(() => {
       if (!hasSlash) {
         // use official templates
         const officialTemplate = 'vuejs-templates/' + template
         if (template.indexOf('#') !== -1) {
           downloadAndGenerate(officialTemplate)
         } else {
           if (template.indexOf('-2.0') !== -1) {
             warnings.v2SuffixTemplatesDeprecated(template, inPlace ? '' : name)
             return
           }

           // warnings.v2BranchIsNowDefault(template, inPlace ? '' : name)
           downloadAndGenerate(officialTemplate)
         }
       } else {
         downloadAndGenerate(template)
       }
     })
   }
 }

 /**
  * Download a generate from a template repo.
  *
  * @param {String} template
  */

 function downloadAndGenerate (template) {
   const spinner = ora('downloading template')
   spinner.start()
   // Remove if local template exists
   if (exists(tmp)) rm(tmp)
   download(template, tmp, { clone }, err => {
     spinner.stop()
     if (err) logger.fatal('Failed to download repo ' + template + ': ' + err.message.trim())
     generate(name, tmp, to, err => {
       if (err) logger.fatal(err)
       console.log()
       logger.success('Generated "%s".', name)
     })
   })
 }

https://github.com/vuejs-templates   vue-cli的模板地址

https://github.com/vuejs/vue-cli   vue-cli 源码

主要使用的是 bin/vue-init

用的npm 包  download-git-repo   commander

主要代码

downloadAndGenerate() 里面的

template