# 二.文件列表插件
# 安装
package.json
{
"name": "2.plugin",
"version": "1.0.0",
"main": "index.js",
"license": "MIT",
"devDependencies": {
"webpack": "^4.29.6",
"webpack-cli": "^3.3.0"
},
"dependencies": {
"html-webpack-plugin": "^3.2.0"
}
}
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# 文件
plugins/FileListPlugin.js
class FileListPlugin {
constructor({ filename }) {
this.filename = filename
}
apply(compiler) {
compiler.hooks.emit.tap("FileListPlugin", (compilation) => {
// console.log(compilation.assets);
let assets = compilation.assets
let content = `## 文件名 资源大小 \r\n`
Object.entries(assets).forEach(([filename, stateObj]) => {
content += `- ${filename} ${stateObj.size()} \r\n`
})
assets[this.filename] = {
source() {
return content
},
size() {
return content.length
},
}
console.log(content)
})
}
}
module.exports = FileListPlugin
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src/index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Document</title>
</head>
<body></body>
</html>
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src/index.js
console.log(1111111111)
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# 配置
webpack.config.js
let path = require("path")
let HtmlWebpackPlugin = require("html-webpack-plugin")
let FileListPlugin = require("./plugins/FileListPlugin")
module.exports = {
mode: "development",
entry: "./src/index.js",
output: {
filename: "bundle.js",
path: path.resolve(__dirname, "dist"),
},
plugins: [
new HtmlWebpackPlugin({
template: "./src/index.html",
}),
new FileListPlugin({
filename: "list.md",
}),
],
}
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# 打包
npx webpack
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dis 目录下 list.md:
## 文件名 资源大小
- bundle.js 3883
- index.html 330
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