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								---
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								title: 开发指南
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								---
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								### 环境
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											2019-03-16 22:21:49 +08:00
										 
									 
								 
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								* node = 8+
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								* npm = 3+
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								### 开发流程
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								#### 创建组件
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								```shell
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								$ npm install # 安装依赖
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								$ npm run create # 新增组件, 根据提示填写组件信息
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								```
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								> 需安装[vue-cli](https://cli.vuejs.org/), v3.0+还需安装[@vue/cli-init](https://www.npmjs.com/package/@vue/cli-init)
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								#### 开发组件
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								```shell
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								$ npm run dev # 访问 http://localhost:4000/[组件名称]
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								$ npm run dev -- --component [COMPONENT NAME] # npm run dev -- --component button, 访问 http://localhost:4000
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								```
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								#### 测试组件
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								```shell
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								$ npm test # 全部测试
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								$ npm run test [component name] # 测试单个组件
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								```
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								#### feature/bugfix
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								新的大版本开发会在统一的开发分支中进行,其他单个组件增加新功能或问题修复流程如下:
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								```shell
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								$ git checkout -b [feature_xxx/fix_xxx] origin/dev
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								# 开发
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								$ git add --all
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								$ git commit -am "描述" # 描述参考【Commit规范】git cz
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								$ git pull --rebase origin dev
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								# 解决冲突
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								$ git push origin [feature_xxx/fix_xxx]
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											2019-03-08 12:06:12 +08:00
										 
									 
								 
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								# 提交 PR 至 dev 分支, 指定相应人员 review, 根据反馈进一步修改提交
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								$ git checkout dev
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								$ git pull
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								```
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								### 代码规范
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								#### 目录规范
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								```
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								├── build              构建脚本
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								├── config             构建环境配置
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								├── test               测试配置
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								├── components         组件代码
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								    ├── _style         通用样式,图标
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								    ├── _util          通用工具方法
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								    ├── button         组件目录
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								        ├── demo       组件示例
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								        ├── test       组件单元测试用例
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								        ├── index.vue  组件核心代码
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								        ├── ...        组件其他辅助代码或子组件代码
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								        ├── README.md  组件说明文档
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								    ├── ...
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								├── examples           组件库示例
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								├── site               组件库文档站点
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								├── ...
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								```
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								#### 组件规范
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								##### 组件命名
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								* 组件名(kebab-case)使用小写字母,以 `-` 分割, 例如 `image-reader`。
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								* 准确表达组件UI或功能且避免过于宽泛。
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								##### 组件实现
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								* 依赖
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								  新增外部依赖需要与核心开发成员讨论后决定,尽量选择较为知名开源组件,且避免体积过大。
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								* 引用
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								  组件内部使用相对路径引用,避免使用`alias`。如`import { extand } from '../util'`。
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								* 通用方法
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								  通用逻辑和样式使用`_style/*`, `_util/*`, 避免组件代码内部通用逻辑或样式冗余【新增需讨论】
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								* 样式
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								  使用`stylus`; 单位统一使用`px`; 所有图标使用内置svg图标, 详情见组件`Icon`。
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								注意:通用样式,工具方法的详细使用文档参考Wiki,[Style](https://github.com/didi/mand-mobile/wiki/Style),[Utils](https://github.com/didi/mand-mobile/wiki/Utils),[Scroll](https://github.com/didi/mand-mobile/wiki/Scroll),[FormatValue](https://github.com/didi/mand-mobile/wiki/FormatValue)
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								##### 组件核心代码
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								原则上以官方[vue-sytle-guide](https://vuejs.org/v2/style-guide/#Component-instance-options-order-recommended)为标准,常用部分如下:
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								```html
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								<template>
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								  <!-- 根元素以mfe-[组件名]作为类名 -->
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								  <!-- 多个动态属性需分为多行 -->
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								  <!-- 统一使用指令缩写 : @ -->
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								  <div
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								    class="md-button"
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								    :class="[type]"
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								  >
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								    <!-- 其他组件名称和prop属性使用kebab-case,且避免使用自闭合 -->
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								    <my-component greeting-text="hi"></my-component>
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								    <!-- 尽量将v-for/v-if提取到单独template中 -->
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								    <!-- v-for 必须增加 key -->
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								    <template v-if="foo">
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								 | 
							
							
								      Hello A
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							 | 
							
								
									
								 | 
							
							
								    <template>
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							 | 
							
								
									
								 | 
							
							
								    <template v-else>
							 | 
						
					
						
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								 | 
							
							
								      Hello B
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								 | 
							
							
								    <template>
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								 | 
							
							
								  </div>
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								 | 
							
							
								</template>
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								 | 
							
							
								
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								 | 
							
							
								<script>
							 | 
						
					
						
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							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								import MyComponent from '../my-component'
							 | 
						
					
						
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								 | 
							
							
								
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								 | 
							
							
								// options须严格按照如下顺序,其他可参考vue-style-guide
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								export default {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
										
									
								 | 
							
							
								  // 必须以"md-[组件名]"作为前缀,避免与html元素冲突
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  name: 'md-button',
							 | 
						
					
						
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							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  components: {
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							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    [MyComponent.name]: MyComponent
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  },
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
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							 | 
							
								
									
								 | 
							
							
								  // props须以明细方式书写
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
										
									
								 | 
							
							
								  // 统一采用事件触发,避免使用props传入回调方法
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  props: {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    // js中prop属性需用驼峰
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    greetingText: {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								      type: String,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								      default: 'primary'
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    }
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  },
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  // data必须为函数
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  data () {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    return {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    }
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  },
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  computed: {
							 | 
						
					
						
							| 
								
							 | 
							
								
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							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  },
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  watch: {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  },
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  // LiftCircle Hook,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  /*
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  beforeCreate
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  created
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  beforeMount
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  mounted
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  beforeUpdate
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  updated
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  activated
							 | 
						
					
						
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							 | 
							
								
									
								 | 
							
							
								  deactivated
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  beforeDestroy
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  destroyed
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  errorCaptured
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								   */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  methods: {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    // 私有方法以'$_'开头
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    $_privateMethod () {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    },
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    // 监听事件方法以'$_on'开头,如 $_onButtonClick
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    $_onSthEvent (event) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								      // 事件名称无需增加on
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								      this.$emit('active', 'hello')
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    },
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    // 对外暴露方法
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    publicMethod () {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    }
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  }
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								</script>
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								<style lang="stylus" scoped>
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								  .md-button
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								    xxx
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								</style>
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								```
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								##### 组件单元测试代码
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2018-12-10 23:53:25 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								测试工具使用`Jest` + `vue-test-utils`, 原则上各项指标覆盖率要大于`50%`
							 | 
						
					
						
							
								
									
										
										
										
											2018-03-27 15:52:31 +08:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								工具参考文档:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								<a href="https://vuejs.org/v2/guide/unit-testing.html" target="_blank">https://vuejs.org/v2/guide/unit-testing.html</a><br>
							 | 
						
					
						
							
								
									
										
										
										
											2018-12-10 23:53:25 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								<a href="https://jestjs.io/docs/getting-started.html" target="_blank">https://jestjs.io</a><br>
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								<a href="https://vue-test-utils.vuejs.org" target="_blank">https://vue-test-utils.vuejs.org</a>
							 | 
						
					
						
							
								
									
										
										
										
											2018-03-27 15:52:31 +08:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								#### Commit规范
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
										
									
								 | 
							
							
								commit信息应符合如下规则, 建议使用工具`comitzen`(`git cz`)代替`git commit`
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								```shell
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								[TYPE](SCOPE):DESCRIPTION#[ISSUE]  # 如 feat(button):add type 'ghost' for form usage #1234
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								```
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
										
									
								 | 
							
							
								* 【必填】TYPE: 类型描述。包括`feat`(功能),`fix`(修复),`doc`(文档),`build`(工程化),`example`(示例, 仅用于修改examples/*)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
										
									
								 | 
							
							
								* 【可选】SCOPE: 影响的组件,比如`button`。一般用于feat,fix
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								* 【必填】DESCRIPTION: 内容简要描述,尽量使用英文
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
										
									
								 | 
							
							
								* 【可选】ISSUE: 改动关联的issue号码。一般用于feat,fix
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 |