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@megalo/cli-service

v1.0.0-beta.5

Published

:hammer_and_wrench: megalo的开箱即用webpack小程序脚手架配置,内置megalo生态的部分插件,并提供用户自定义配置的入口(对标vue-cli 3)

Downloads

17

Readme

@megalo/cli-service 1.x版本

:hammer_and_wrench: megalo的开箱即用webpack小程序脚手架配置,内置megalo生态的部分插件,并提供用户自定义配置的入口

完整文档地址: https://megalojs.org/#/cli/cli-service

特性

  • 零配置可用
  • 可根据自己的需求修改webpack原始配置
  • 内置了小程序项目常用的基础设施配置,满足基本需求
  • 项目配置分离,零耦和,配置插件化
  • typescript 支持
  • 插件系统

注意

老项目注意 >>> @megalo/cli-service 1.0.0版本的api于 0.x的版本不兼容,使用方式有差异,0.x版本的点击这里

安装

@megalo/cli-service 依赖 @megalo/babel-preset-app@megalo/target@megalo/template-compiler

npm i @megalo/babel-preset-app  @megalo/target @megalo/template-compiler @megalo/cli-service -D

使用

在项目根目录的package.json文件中的scripts选项加上一条:

"scripts": {
  "dev:wechat": "megalo-cli-service serve"
}

运行命令:

npm run dev:wechat

控制台参数

https://megalojs.org/#/cli/cli-service

修改配置

如果你觉得webpack配置不满足项目需求,你可以在项目根目录下,新建一个megalo.config.js文件,书写自己的配置并导出,目前该配置文件的默认配置如下(均为选填):

module.exports = {
  // 构件生产模式时是否启用sourcemap配置(仅在process.env.NODE_ENV === 'production' 时该选项生效)
  productionSourceMap: false,

  // 是否在开发环境下通过 eslint-loader 在每次保存时 lint 代码
  lintOnSave: true,

  chainWebpack: chainConfig => {
    // 你可以在这里通过 https://github.com/neutrinojs/webpack-chain 来精细的修改webpack配置
    console.log('chainWebpack执行了', chainConfig.toString())
  },

  configureWebpack: config => {
    // 你可以在这里修改webpack的配置并返回,或者直接创建一个新的webpack配置对象返回;
    // 你的配置将被 webpack-merge 合并 (https://github.com/survivejs/webpack-merge)
    return config
  },
  // 原生小程序组件存放目录,默认为src/native
  // 如果你有多个平台的原生组件,你应当在此目录下再新建几个子文件夹,我们约定,子文件夹名和平台的名字一致:
  // 微信小程序组件则命名为 'wechat',支付宝为'alipay', 百度为 'swan'
  // 如果只有一个平台,则无需再新建子文件夹
  nativeDir: '/src/native',

  // 文档同 https://cli.vuejs.org/zh/config/#css-loaderoptions
  css: {
    loaderOptions: {
      css: {
        // https://github.com/webpack-contrib/css-loader#options
      },
      less: {
        // https://github.com/webpack-contrib/less-loader
      },
      sass: {
        // https://github.com/webpack-contrib/sass-loader
      },
      stylus: {
        // https://github.com/shama/stylus-loader
      },
      // 若不想使用 px2rpx 插件,则设置为 px2rpx: false 即可
      px2rpx: {
        // https://github.com/megalojs/megalo-px2rpx-loader
        rpxUnit: 0.5
      }
    }
  }
}

插件系统

@megalo/cli-service 从 1.0.0-beta.1 起, 支持插件系统 插件开发文档

已内置的megalo周边webpack配置

以下使用以下 megalo 周边库时,直接 npm i 库名 即可,无需更改 webpack 配置,直接使用:

内置的其他的 webpack 配置:

  • 环境变量设置、替换
  • css-loader、less-loader、sass-loader、stylus-loader等 css预编译相关配置
  • file-loader 处理图片资源文件
  • babel 转 es5
  • 编译、压缩、混淆等

注意

@megalo/cli-service 默认会读取 src 目录下的 app.jsmain.jsindex.jsapp.tsmain.tsindex.ts 其中之一并将其作为入口文件

demo

更新记录

  • [ 1.0.0-alpha.18 ] 支持头条小程序
  • [ 1.0.0-beta.1 ]
    • 剥离webpack配置,支持插件系统
    • 新增 cli-plugin-mpcli-plugin-webcli-plugin-eslintcli-plugin-typescript 插件
    • 编译小程序为H5(目前周边设施还不完善)
    • 默认新增webpack对fonts、媒体文件等静态资源的webpack配置
    • 优化分包静态资源输出路径,主包的图片(images)、字体(fonts)、媒体文件(media)输出到 dist-${platform}/static/${fileType}/ 目录下;分包的输出到dist-${platform}/${packageName}/static/${fileType}目录下