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@fu1996/webpack-used-files-plugin

v1.0.8

Published

A plug-in used in webpack to find which files are used

Downloads

17

Readme

🗝 关于该库的背景

随着需求的迭代,项目中的废弃代码和文件越来越多,但是耗费人力去区分哪些文件会被打包,哪些文件不会被打包,效率太低,且容易出现未知错误,所以有了此款工具。此款工具只会帮你找到 webpack 打包过程中使用的文件,并默认生成index.txt 文件去记录。(使用到的文件你都找到了,没用到的文件 等于 总文件 减去 使用到的文件)

🎉 项目名称,原理以及注意事项

名称: 查找项目中用到的文件(会被webpack打包所使用)的工具

原理: 借用 enhanced-resolve的 hook 拦截最后 webpack 解析出的文件路径,并添加到文件中

注意事项:

  1. 目前发现 webpack5 存在缓存机制,导致 第二次生成的 index.txt 文件少入 本次打包使用的文件,建议在 使用本插件前清空 webpack 的缓存,删除 node_modules/.cache/webpack文件夹,再次尝试打包
rm -rf node_modules/.cache/webpack

2.如果使用了 happyPackthread-loader多线程打包工具,会导致 产生的目标文件 index.txt 中出现多个重复的路径。

📦 安装方式

# 为当前项目安装
npm i -D @fu1996/webpack-used-files-plugins

🏄 配置如下:

  • rootDir :生成的 文件的存储目录
  • fileName :生成的文件名 默认为 index.txt
  • clean :是否清除上次该插件生成的产物(如:index.txt)
  • exclude :【支持字符串和正则及其组成的数组】根据此规则哪些文件不会生成在 filename 里 默认node_modules
  • excludeFunc :【优先级大于exclude 规则】此方法接受 request 和 context 两个参数,如果此函数返回值为true, 则此路径不会生成在 文件中

📝 demo

首先修改 webpack的 配置如下:

// 引入该插件
const UsedFilesPlugin = require('@fu1996/webpack-used-files-plugin');
resolve: {
    plugins: [
      new UsedFilesPlugin({
        rootDir: __dirname,
      })
    ],
},

然后运行 你的 webpack 打包命令即可

即可在当前项目里看到 包含了webpack 本次打包所依赖文件 的 index.txt 文件

📣 后续开发计划

  • 输出结果去重
  • 移动使用到文件到指定目录
  • 增加单元测试

⏰ 如果该库帮助了您,期待您的 star

Github 地址:欢迎Star⭐️