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webpack-dev-config.js
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55 lines (46 loc) · 1.39 KB
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const webpack = require('webpack');
const path = require('path');
const getRules = require('./webpack-common.loader');
const { version } = require('./package.json');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const config = {
mode: 'development',
// map
// http://www.css88.com/doc/webpack2/configuration/devtool/
devtool: 'cheap-eval-source-map',
// 入口文件配置
context: path.join(__dirname, 'src/'),
// 入口文件配置
entry: {
js: './demo/index.js'
},
// 文件导出的配置
output:{
filename: "webpack-dev-file/js/app.js",
// publicPath 对于热替换(HMR)是必须的,让webpack知道在哪里载入热更新的模块(chunk)
publicPath: "/"
},
// 配置模块如何解析
resolve:{
extensions: [".js"] //当requrie的模块找不到时,添加这些后缀
},
// 以插件形式定制webpack构建过程
plugins: [
// 将样式文件 抽取至独立文件内
new MiniCssExtractPlugin({
filename: 'webpack-dev-file/css/app.css',
chunkFilename: '[id].css'
}),
// 配置环境变量
new webpack.DefinePlugin({
'process.env': {
VERSION: JSON.stringify(version)
}
}),
],
// 处理项目中的不同类型的模块
module: {
rules: getRules()
}
};
module.exports = config;