import{_ as s,o as n,c as a,R as l}from"./chunks/framework.6241eaf2.js";const u=JSON.parse('{"title":"splitChunks 单独打包第三方模块","description":"","frontmatter":{},"headers":[],"relativePath":"guide/vue2/chunks.md","filePath":"guide/vue2/chunks.md","lastUpdated":1731315864000}'),p={name:"guide/vue2/chunks.md"},o=l(`
module.exports = {
chainWebpack: (config) => {
config.when(IS_PROD, (config) => {
config
.plugin("ScriptExtHtmlWebpackPlugin")
.after("html")
.use("script-ext-html-webpack-plugin", [
{
// 将 runtime 作为内联引入不单独存在
inline: /runtime\\..*\\.js$/,
},
])
.end();
config.optimization.splitChunks({
chunks: "all",
cacheGroups: {
// cacheGroups 下可以可以配置多个组,每个组根据test设置条件,符合test条件的模块
commons: {
name: "chunk-commons",
test: resolve("src/components"),
minChunks: 3, // 被至少用三次以上打包分离
priority: 5, // 优先级
reuseExistingChunk: true, // 表示是否使用已有的 chunk,如果为 true 则表示如果当前的 chunk 包含的模块已经被抽取出去了,那么将不会重新生成新的。
},
node_vendors: {
name: "chunk-libs",
chunks: "initial", // 只打包初始时依赖的第三方
test: /[\\\\/]node_modules[\\\\/]/,
priority: 10,
},
vantUI: {
name: "chunk-vantUI", // 单独将 vantUI 拆包
priority: 20, // 数字大权重到,满足多个 cacheGroups 的条件时候分到权重高的
test: /[\\\\/]node_modules[\\\\/]_?vant(.*)/,
},
},
});
config.optimization.runtimeChunk("single");
});
},
};