一、建立dev.config.js文件css
用來配置開發環境的代碼node
二、安裝webpack-mergewebpack
cnpm install webpack-merge -D
web用來合併webpack配置項npm
//合併webpack配置項
constwebpackMerge=require("webpack-merge");
//path模塊
constpath=require("path");
//基礎配置項
constbaseConfig=require("./base.config");
constwebpack=require("webpack");
constwebpackConfig=webpackMerge(baseConfig,{
mode:"development",
devtool: 'inline-source-map',
})
module.exports=webpackConfig
一、安裝sass
cnpm install style-loader css-loader sass-loader node-sass postcss-loader -D
二、基本使用webpack-dev-server
constwebpackConfig=webpackMerge(baseConfig,{
mode:"development",
devtool: 'inline-source-map',
module:{
rules:[
{
test:/\.(css|scss)$/,
use:[
{loader:"style-loader"},// 將 JS 字符串生成爲 style 節點
{loader:"css-loader"},// 將 CSS 轉化成 CommonJS 模塊
{
loader:"postcss-loader",
options:{
sourceMap: true,
config:{
path:"./postcss.config.js"// 在項目根目錄建立此文件
}
}
},
{
loader:"sass-loader"// 將 Sass 編譯成 CSS
}
]
}
]
}
})
三、根目錄下建立postcss.config.jside
module.exports={
plugins: [
require('autoprefixer')({
overrideBrowserslist: [
"Android 4.1",
"iOS 7.1",
"Chrome > 31",
"ff > 31",
"ie >= 8"
],
grid: true
})
]
};
HotModuleReplacementPlugin是webpack自帶的方法post
plugins:[
newwebpack.HotModuleReplacementPlugin()//熱更新
]
一、安裝ui
cnpminstallwebpack-dev-server-D
二、基本使用
devServer:{
contentBase:path.join(__dirname,"../dist"),
port:"9000",
historyApiFallback: true,//不跳轉
noInfo: true,
inline: true,//實時刷新
disableHostCheck: true,
}