webpack 用于编译 JavaScript 模块。一旦完成安装,就可以通过 webpack 的 CLI 或 API 与其配合交互。
首先创建一个目录,进入目录中,初始化npm 然后本地安装webpack,webpack-cli ,lodash
目录结构:
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>
<script src="bundle.js"></script>
</body>
</html>
webpack.config.js
const path = require('path'); module.exports = {
entry: './src/index.js',
output:{
filename: 'bundle.js',
path: path.resolve(__dirname, 'dist')
}
}
package,json
{
"name": "webpack-demo",
"version": "1.0.0",
"description": "",
"private": true,
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"build": "webpack"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"webpack": "^4.29.6",
"webpack-cli": "^3.2.3"
},
"dependencies": {
"lodash": "^4.17.11"
}
}
输入npm run build