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  • vue 发布自己的组件库

    vue 发布自己的组件库

    一.需求:

           当遇到自己其他项目使用自己做的比较好的组件时常规的做法是ctrl+c 和ctrl+v,这种办法倒没有很大的问题,只不过当组件优化更新时,每个项目都要这么干,是不是很lower。于是经过查询一堆的资料后,发现可以发布自己的组件来达到共享的目的。需求明确后,就开始如下操作,你将会拥有自己的组件库,雷同elementui方式一样使用了。是不是很爽。

    二.初始化vue项目:

    vue初始化项目有很多种方式,此处使用命令 :vue init webpack-simple,这个方式是最纯净的,因为毕竟此项目是发布组件使用,不需要过多的其他玩意。

    1.vue init webpack-simple 项目名称

    三.准备文件夹及文件:

    1.在src文件夹下新建components文件夹;

    2.在components文件夹下新建组件文件夹里面的(ZlpAction.vue)组件文件和index.js文件

    图标识的是一个组件,多个组件雷同:

     

    组件文件如下图:和常规组件开发一样,注意name必须有,并且必须规范

    组件install的js,index.js如下图:

    3.在根目录下新建index.js入口文件,index.js是为了暴露组件

    根目录:index.js简略内容如下:

    import info from './package.json'
    import action from './src/components/action'
    import actionItem from './src/components/actionItem'
    
    const components = [
        action,
        actionItem]
    
    
    const install = Vue => {
        components.forEach(item => {
            Vue.component(item.name, item)
        });
    }
    
    //引用文件方式时,会使用,类似jquery方式引入
    if (typeof window !== 'undefined' && window.Vue) {
        install(window.Vue);
    }
    
    //按需导出
    export {
        action,
        actionItem
    }
    
    //完整导出
    export default {
        name: info.name,
        author: info.author,
        version: info.version,
        description: info.description,
        install,
        action,
        actionItem
    }

    四.配置:

     webpack.config.js配置

    var path = require('path')
    var webpack = require('webpack')
    
    module.exports = {
      // entry: './src/main.js',
      entry:process.env.NODE_ENV=='development'? './src/main.js':'./index.js',
      output: {
        path: path.resolve(__dirname, './dist'),
        publicPath: '/dist/',
        filename: 'index.js',
        library:'index',
        libraryTarget: 'umd', // 指定输出格式
        umdNamedDefine:true
      },
      module: {
        rules: [
          {
            test: /.css$/,
            use: [
              'vue-style-loader',
              'css-loader'
            ],
          },
          {
            test: /.scss$/,
            use: [
              'vue-style-loader',
              'css-loader',
              'sass-loader'
            ],
          },
          {
            test: /.sass$/,
            use: [
              'vue-style-loader',
              'css-loader',
              'sass-loader?indentedSyntax'
            ],
          },
          {
            test: /.vue$/,
            loader: 'vue-loader',
            options: {
              loaders: {
                // Since sass-loader (weirdly) has SCSS as its default parse mode, we map
                // the "scss" and "sass" values for the lang attribute to the right configs here.
                // other preprocessors should work out of the box, no loader config like this necessary.
                'scss': [
                  'vue-style-loader',
                  'css-loader',
                  'sass-loader'
                ],
                'sass': [
                  'vue-style-loader',
                  'css-loader',
                  'sass-loader?indentedSyntax'
                ]
              }
              // other vue-loader options go here
            }
          },
          {
            test: /.js$/,
            loader: 'babel-loader',
            exclude: /node_modules/
          },
          {
            test: /.(png|jpg|gif|svg)$/,
            loader: 'file-loader',
            options: {
              name: '[name].[ext]?[hash]'
            }
          }
        ]
      },
      resolve: {
        alias: {
          'vue$': 'vue/dist/vue.esm.js'
        },
        extensions: ['*', '.js', '.vue', '.json']
      },
      devServer: {
        historyApiFallback: true,
        noInfo: true,
        overlay: true
      },
      performance: {
        hints: false
      },
       //devtool: '#eval-source-map'
    }
    
    if (process.env.NODE_ENV === 'production') {
       //module.exports.devtool = '#source-map'
      // http://vue-loader.vuejs.org/en/workflow/production.html
      module.exports.plugins = (module.exports.plugins || []).concat([
        new webpack.DefinePlugin({
          'process.env': {
            NODE_ENV: '"production"'
          }
        }),
        new webpack.optimize.UglifyJsPlugin({
          sourceMap: true,
          compress: {
            warnings: false
          }
        }),
        new webpack.LoaderOptionsPlugin({
          minimize: true
        })
      ])
    }
    else{
      module.exports.devtool='#eval-source-map'
    }

    pack.json配置:

    {
      "name": "zhangui",
      "description": "zhangui是基于vue封装的组件库",
      "version": "1.0.8",
      "author": "zhanglp",
      "license": "MIT",
      "private": false,
      "main": "./dist/index.js",
      "scripts": {
        "dev": "cross-env NODE_ENV=development webpack-dev-server --open --hot",
        "build": "cross-env NODE_ENV=production webpack --progress --hide-modules"
      },
      "dependencies": {
        "vue": "^2.5.11"
      },
      "browserslist": [
        "> 1%",
        "last 2 versions",
        "not ie <= 8"
      ],
      "devDependencies": {
        "babel-core": "^6.26.0",
        "babel-loader": "^7.1.2",
        "babel-preset-env": "^1.6.0",
        "babel-preset-stage-3": "^6.24.1",
        "cross-env": "^5.0.5",
        "css-loader": "^0.28.7",
        "file-loader": "^1.1.4",
        "node-sass": "^4.5.3",
        "sass-loader": "^6.0.6",
        "vue-loader": "^13.0.5",
        "vue-template-compiler": "^2.4.4",
        "webpack": "^3.6.0",
        "webpack-dev-server": "^2.9.1"
      }
    }

    五.测试:

    打包:npm run build

     npm官网地址:https://www.npmjs.com/

    先去官网注册账号,密码,邮箱,下面需要使用此信息

    六.发布:

    1.登录命令:npm login

    2.输入账号、密码、邮箱

    3.发布命令:npm publish(发布前切记更改pack.json文件中的版本号)

     七.常见错误:

    下载安装使用:

    错误1:

    Cannot read property 'name' of undefined

    按需导入时,组件未获取到,原因是:没有按需导入的方式,导出组件;

    错误2:

    生产环境导入组件失败,提示未注册组件

    原因是:未配置webpack.config.js未配置此属性   libraryTarget: 'umd', // 指定输出格式

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  • 原文地址:https://www.cnblogs.com/zlp520/p/14216102.html
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