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rollup_react_switch_library

v1.0.0

Published

这只是用 rollup 打包库练习的js库

Downloads

1

Readme

Panel

使用了@emotion/react库来编写其 css

Switch

使用了styled-components库来编写其 css

注意

这里不是为了讲解这两个库的使用,而是为了如何练习使用 Rollup来建构一个 js 库的过程

目录说明文件

这里主要是用 react 来发开组件库

  • src js库开发目录
  • lib 是我们通过使用Rollup 构建工具所打包出来的最终目录,用以提供给需要者使用
  • .gitignore 用来配合 git 进行版本管理的,这里我们添加了node_modules 表示该文件/文件夹不会提交到 git 上
  • package.json 包说明文件 重点关注 main 属性,它是指向我们打包好的的入口文件
  • rollup.config.js---Rollup 的配置文件

步骤

  • 执行命令:yarn add rollup --dev 安装 Rollup
  • 安装 @babel/core, @babel/preset-env, @babel/preset-react, @emotion/babel-preset-css-prop, @emotion/react, @rollup/plugin-babel, styled-components 库,这里因为用到了这些库,所以需要安装,如果没有用到可不安装
  • package.json 添加 "test": "rollup -c -w" -c 表示使用 rollup.config.js 默认配置文件 -w 表示监制 开发目录下文件的改变,有修改自动重新打包
  • js 库开发完成后通过使用 yarn run test 来执行打包

测试

在当前开发根目录下执行命令yarn link

  • 使用 npx create-react-app 来创建一个 react 项目,在该项目中使用yarn link rollup_react_library 安装之前开发的react 库 rollup_react_library 命名使用的是 package.json 中的"name"属性值
  • 在库的开发目录下使用 yarn unlink rollup_react_library 可以取消一个库的链接

rollup.config.js

  • input 开发目录入口文件 一般情况下建议入口文件为一个 如有多个组件则统一从 index.js 导出 具体见用例
  • output 通过使用 rollup 打包后输出目录的目录,请取名为 lib
[
    {
      file: "./lib/bundle.cjs.js", // 打包后输出目录
      format: "cjs",// 打包所使用的格式
      name: "Switch",
    }
]    

这个视频教大家如何使用 Rollup 构建一个库,并且发布到 npm 上