脚手架开发流程详解

开发流程

• 创建npm项目
• 创建脚手架入口文件，最上方添加

#!/usr/bin/env/ node

• 配置package.json，添加bin属性
• 编写脚手架代码
• 将脚手架发布到npm

使用流程

• 安装脚手架

npm install -g your-own-cli

• 使用脚手架

your-own-cli

脚手架开发难点解析

• 分包：将复杂的系统拆分成若干个模块
• 命令注册：

vue create
vue add
vue invoke

• 参数解析

vue command [options] 

• options全称：–version、–help

• options简写：-V、-h

• 带params的options: --path /Users/sam/Desktop/vue-test

• 帮助文档：
  global help:
  Usage
  Options
  Commands
  示例：vue 的帮助信息

Options:
  -V, --version                              output the version number
  -h, --help                                 display help for command

Commands:
  create [options]                 create a new project powered by vue-cli-service
  add [options]  [pluginOptions]     install a plugin and invoke its generator in an already created project
  invoke [options]  [pluginOptions]  invoke the generator of a plugin in an already created project
  inspect [options] [paths...]               inspect the webpack config in a project with vue-cli-service
  serve                                      alias of "npm run serve" in the current project
  build                                      alias of "npm run build" in the current project
  ui [options]                               start and open the vue-cli ui
  init [options]