Webpack optimization. The problem of extracting commons from splitChunks

{
  "devDependencies": {
    "clean-webpack-plugin": "^1.0.0",
    "html-webpack-plugin": "^3.2.0",
    "webpack": "^4.26.0"
  },
  "dependencies": {
    "jquery": "^3.3.1"
  }
}

the project directory is as follows:

src/
    a.js
    b.js
    common.js
    index.js

common.js:

export default "init";

a.js:

import common from"./common.js"
export default {
    init() {
        return `a.js ${common}`
    }
}

b.js:

import common from"./common.js"
export default {
    init() {
        return `b.js ${common}`
    }
}

index.js:

import a from "./a"
import b from "./b"
import common from"./common.js"
import $ from "jquery"

console.log($);

console.log(`index.js ${common}`);
console.log(a.init());
console.log(b.init());

webpack.config.js:

const path = require("path");
const htmlWebpackPlugin = require("html-webpack-plugin");
const cleanPlugin = require("clean-webpack-plugin");

module.exports = {
    mode: "development",
    entry: {
        index: path.resolve(__dirname, "src", "index.js")
    },
    output: {
        filename: "[name].js",
        path: path.resolve(__dirname, "dist")
    },
    resolve: {
        extensions: [".js"]
    },

    optimization: {
        minimize: false,
        splitChunks: {
            cacheGroups: {
                commons: {
                    chunks: "all",
                    name: "commons",
                    minSize: 0,
                    minChunks: 2,
                },
                vendor: {
                    test: /node_modules/,
                    chunks: "all",
                    name: "vendor",
                    priority: 10,
                    minSize: 0,
                }
            }
        },
        runtimeChunk: {
            name: "runtime"
        }
    },

    plugins: [
        new htmlWebpackPlugin({
            filename: "index.html",
            template: "./index.html"
        }),

        new cleanPlugin(["dist"])

    ]
};

if you understand it correctly, you should output the contents of the public module src/common.js that should contain the project in commons.js index.js runtime.js vendor.js index.html
commons.js

but after execution, it is found as follows:

clipboard.png

Why is commons.js not output?

Dec.06,2021

first of all, we have to understand that splitChunks is divided into chunk . According to the interpretation of the official document, the split code, in addition to splitChunks , also manually specifies entry and dynamically introduces Dynamic Imports , so your demo generated chunk , there is only one that conforms to the rules and cannot be divided into duplicate codes. Two methods
1. Manually introduce entry

   
you can split the commos using a similar form.
default configuration:
splits more than 20kb and has been introduced twice.
the code of the landlord only introduces the concept twice

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b38695-2c13d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b38695-2c13d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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