webpack摸索(一)webpack-dev-server热模块替换
webpack-dev-server 是生成在内存中的
本地开发:
index.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> hello, webpack <script type="text/javascript" src="http://127.0.0.1:8080/bundle.js"></script> </body> </html>
webpack.config.js
const path = require('path');
const webpack = require('webpack');
module.exports = {
entry: [
'webpack-dev-server/client?http://127.0.0.1:8080', // 资源服务器地址
'webpack/hot/only-dev-server',
'./app/main.js'
],
output: {
publicPath:"http://127.0.0.1:8080/",
path:'./',
filename:'bundle.js'
},
devServer:{
historyApiFallback:true,
hot:true,
inline:true,
progress:true,
},
plugins: [
new webpack.DefinePlugin({
'process.env.NODE.ENV': 'development' //设置环境变量为开发环境
}),
new webpack.HotModuleReplacementPlugin()
]
};
package.json{ "name": "webpack",
"version": "1.0.0",
"description": "",
"main": "webpack.config.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "webpack-dev-server --inline --hot"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"path": "^0.12.7",
"webpack": "^1.14.0",
"webpack-dev-server": "^1.16.2"
}
}
命令行执行:
webpack-dev-server --inline
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