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webpack.prod.js
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webpack.prod.js
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const { merge } = require("webpack-merge");
const common = require("./webpack.common.js");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
module.exports = merge(common, {
mode: "production",
devtool: "source-map",
module: {
rules: [
{
test: /\.css$/i,
use: [MiniCssExtractPlugin.loader, "css-loader", "postcss-loader"],
},
],
},
plugins: [
new MiniCssExtractPlugin({
filename: "static/css/[name].[contenthash:8].css",
chunkFilename: "static/css/[name].[contenthash:8].chunk.css",
}),
new CssMinimizerPlugin(),
],
optimization: {
// 将 runtime 代码拆分为一个单独的 chunk。将其设置为 single 来为所有 chunk 创建一个 runtime bundle:
runtimeChunk: "single",
//将第三方库(library)(例如 lodash 或 react)提取到单独的 vendor chunk 文件中,是比较推荐的做法,这是因为,它们很少像本地的源代码那样频繁修改。因此通过实现以上步骤,利用 client 的长效缓存机制,命中缓存来消除请求,并减少向 server 获取资源,同时还能保证 client 代码和 server 代码版本一致。
moduleIds: "deterministic",
splitChunks: {
cacheGroups: {
vendor: {
test: /[\\/]node_modules[\\/]/,
name: "vendors",
chunks: "all",
},
},
},
minimizer: [
// For webpack@5 you can use the `...` syntax to extend existing minimizers (i.e. `terser-webpack-plugin`), uncomment the next line
`...`,
new CssMinimizerPlugin(),
],
},
});