详解搭建es6+devServer简单开发环境

搭建基于es6和热加载的前端简单开发环境，适合demo类小项目，这样就不用依赖browsersync等多余的东西

目录结构

1. /src index.js
2. index.html

安装依赖

注意版本，尤其是babel，可去babel的npm地址查看，那里不会错

#bebal相关
yarn add babel-core babel-loader babel-preset-env

# webpack相关
yarn add webpack webpack-cli webpack-dev-server html-webpack-plugin

package.json

{
"name": "design-pattern",
"version": "1.0.0",
"description": "js设计模式的学习深入",
"main": "index.js",
"author": "axin <laputacloud@163.com>",
"license": "MIT",
"scripts": {
"dev": "webpack-dev-server --config ./webpack.dev.config.js --mode development"
},
"dependencies": {},
"devDependencies": {
"babel-core": "^6.26.3",
"babel-loader": "7",
"babel-preset-env": "^1.7.0",
"html-webpack-plugin": "^3.2.0",
"webpack": "^4.19.1",
"webpack-cli": "^3.1.0",
"webpack-dev-server": "^3.1.8"
}
}

webpack.dev.config.js

const path = require('path')
const htmlWebpackPlugin = require('html-webpack-plugin')

module.exports = {
entry: './src/index.js',
output: {
path: __dirname,
filename: './dist/bundle.js'
},

module: {
rules: [{
test: /\.js?$/,
exclude: /(node_modules)/,
loader: 'babel-loader'
}]
},

plugins: [
new htmlWebpackPlugin({
template: './index.html'
})
],

devServer: {
contentBase: path.join(__dirname, './dist'),
open: true, // 自动打开浏览器
port: 6688, // devServer对应的端口号
}
}

.babelrc 可根据需要配置

{
"presets": ["env"]
}

然后就可以执行npm run dev就可以开启开发环境

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。

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