@lvl/wxapp-cli/lib/services/creator.class.js

wxapp-cli

const inquirer = require('inquirer')
const fse = require('fs-extra')
const { cliRoot } = require('../config/wxapp-cli.config')
const { execSync } = require('child_process')
const presetPrompts = require('../prompt')
const Generator = require('./generator.class')
const EventEmitter = require('events')
const chalk = require('chalk')

const {
  hasGit,
  hasProjectGit,
  setProjectGit,
  logWithSpinner,
  stopSpinner,
  log
} = require('../utils')

const _hasGit = hasGit()

module.exports = class Creator extends EventEmitter {
  constructor (name, ctx) {
    super()

    this.name = name
    this.ctx = ctx
    this.prompts = []

    presetPrompts.forEach(prompt => {
      this.prompts.push(prompt)
    })
  }

  async create (cliOptions = {}) {
    const { name, ctx } = this
    const { appName, templateName } = await inquirer.prompt(this.prompts)
    const tplModuleName = `@lvl/${templateName}`
    log()
  
    logWithSpinner(`创建项目目录 ${ctx}`)
    fse.mkdirsSync(ctx)
  
    logWithSpinner(`准备小程序模版 ${templateName}`)
    log()
    // install template module
    this.run(`npm install ${tplModuleName} --no-save --unsafe-perm`, {
      cwd: cliRoot,
      stdio: 'inherit'
    })
    log()
  
    const initGit = this.shouldInitGit(cliOptions)
    if (initGit) {
      this.run(`git init`)
      setProjectGit(ctx, true)
    }

    const generator = new Generator({
      ctx,
      name,
      cliOptions,
      answers: { appName, templateName }
    })
    await generator.generate()

    try {
      let users = this.run(`users`, {
        stdio: 'pipe'
      })
      users = users && users.toString() || ''
      if (users) {
        let user = users.split(' ')[0]
        user = user.replace(/\n/g, '')
        this.run(`chown -R ${user} ${ctx}`)
      }
    } catch (e) {}
  
    // generate done
    if (initGit) {
      this.run(`git add -A && git commit -m "${cliOptions.gitc || ':tada: Initialization. —— Powered by @lvl/wxapp-cli'}"`)
    }
    stopSpinner()

    log()
    log()
    log(chalk.cyan(`===================================`))
    log()
    log(`小程序项目初始化完成，现在你可以：`)
    log()
    log(chalk.cyan(`$ cd ${name}`))
    log(chalk.cyan(`$ wxapp-cli dev`))
    log()
    log(`打开微信开发者工具，将项目目录指向 ${chalk.cyan(name + '/dist')}`)
    log()
    log(`初始化的配置，可在 ${chalk.cyan(name + '/wxapp-cli.config.js')} 文件中修改`)
    log()
  }

  run (cmd, ops) {
    return execSync(cmd, Object.assign({
      cwd: this.ctx,
      stdio: 'ignore'
    }, ops || {}))
  }

  shouldInitGit (cliOptions) {
    if (!_hasGit) {
      return false
    }
    // --gitc
    if (cliOptions.forceGit) {
      return true
    }
    // --no-git
    if (cliOptions.git === false || cliOptions.git === 'false') {
      return false
    }
    // default: true unless already in a git repo
    return !hasProjectGit(this.ctx)
  }
}