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expose-to-window-plugin

v1.2.7

Published

插件实现原由:webpack打包出来的bundle.js里面的代码都包裹在一个IIFE函数(闭包)里面,导致外面环境无法访问里面的变量和函数。

Readme

这是一个 Webpack 插件,使得 入口模块列如index.js 和 所有其他模块中导出的变量和函数 都能被 自动暴露到 window 对象上。

插件实现原由:webpack打包出来的bundle.js里面的代码都包裹在一个IIFE函数(闭包)里面,导致外面环境无法访问里面的变量和函数。

实现目标

入口模块顶层定义的变量和函数绑定到window

Webpack 配置(webpack.config.js)

const path = require('path');
const ExposeToWindowPlugin = require('expose-to-window-plugin');

module.exports = {
  entry: './src/index.js',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },
  plugins: [
    new ExposeToWindowPlugin({ entry: path.resolve(__dirname, 'src/index.js') }),
  ],
};

使用示例:

1. src/index.js(入口模块)
const myVar = 42;

function myFn() {
  console.log('Hello from myFn!');
}
2.HTML 文件(index.html)
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Webpack Global Example</title>
</head>
<body>
  <script src="bundle.js"></script>
  <script>
    myFn(); // 来自入口模块
    console.log(myVar); // 来自入口模块
  </script>
</body>
</html>