threadLoader.warmup causes the command line to not end after webpack5 is finished packaging

[cq112233]

[evenstensberg]

We need to see your webpack config to be able to give you any feedback. Best would be to create a reproduction repository.

[cq112233]

We need to see your webpack config to be able to give you any feedback. Best would be to create a reproduction repository.

'use strict'
const path = require('path')
const utils = require('./utils')
const config = require('../config')
const webpack = require('webpack')
const threadLoader = require('thread-loader');
const vueLoaderConfig = require('./vue-loader.conf')
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const { VueLoaderPlugin } = require('vue-loader');
const WebpackBar = require('webpackbar')

const jsWorkerPool = {
  // options

  // 产生的 worker 的数量，默认是 (cpu 核心数 - 1)
  // 当 require('os').cpus() 是 undefined 时，则为 1
  workers: 2,

  // 闲置时定时删除 worker 进程
  // 默认为 500ms
  // 可以设置为无穷大， 这样在监视模式(--watch)下可以保持 worker 持续存在
  poolTimeout: 2000
};

const cssWorkerPool = {
  // 一个 worker 进程中并行执行工作的数量
  // 默认为 20
  workerParallelJobs: 2,
  poolTimeout: 2000
};

const vueWorkerPool = {
  // 一个 worker 进程中并行执行工作的数量
  // 默认为 20
  workerParallelJobs: 10,
  poolTimeout: 2000
};

threadLoader.warmup(vueWorkerPool, ['vue-loader']);
threadLoader.warmup(jsWorkerPool, ['babel-loader']);
threadLoader.warmup(cssWorkerPool, ['css-loader', 'sass-loader']);


const fs = require('fs')
const isExistDllFile = fs.existsSync(path.join(__dirname, '../dist/vendors-manifest.json'))

console.log('是否存在dll文件,包含第三方库', isExistDllFile)

function resolve(dir) {
  return path.join(__dirname, '..', dir)
}

module.exports = {
  context: path.resolve(__dirname, '../'),
  entry: {
    app: './src/main.js'
  },
  output: {
    path: config.build.assetsRoot,
    filename: '[name].js',
    publicPath: process.env.NODE_ENV === 'production' ? config.build.assetsPublicPath : config.dev.assetsPublicPath
  },
  resolve: {
    extensions: ['.js', '.vue', '.json', '.ts'],
    alias: {
      vue$: 'vue/dist/vue.esm.js',
      '@': resolve('src'),
      pages: resolve('src/pages')
    }
  },
  module: {
    rules: [
      {
        test: /\.vue$/,
        use: [
          {
            loader: 'cache-loader',
          },
          {
            loader: 'thread-loader',
            options: vueWorkerPool
          },
          {
            loader: 'vue-loader'
          }
        ]
      },
      {
        oneOf: [
          {
            test: /\.s[ac]ss$/i,
            use: [
              'cache-loader',
              // MiniCssExtractPlugin.loader,
              // Creates `style` nodes from JS strings
              "style-loader",

              {
                loader: 'thread-loader',
                options: cssWorkerPool
              },

              // Translates CSS into CommonJS
              "css-loader",
              // Compiles Sass to CSS
              "sass-loader",
            ],
          },
          {
            test: /\.js$/,
            use: [
              {
                loader: 'cache-loader',
              },
              {
                loader: 'thread-loader',
                options: jsWorkerPool
              },
              {
                loader: 'babel-loader'
              }
            ],
            exclude: resolve('node_modules'),
            include: resolve('src')
          },
          {
            test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
            type: 'asset',
            parser: {
              dataUrlCondition: {
                maxSize: 10 * 1024 // 10kb
              }
            },
            generator: {
              filename: utils.assetsPath('img/[name].[hash:7].[ext]')
            }
          },
          {
            test: /\.tsx?$/,
            exclude: resolve('node_modules'),
            use: [
              {
                loader: 'babel-loader'
              },
              {
                loader: "ts-loader",
                options: { appendTsxSuffixTo: [/\.vue$/], transpileOnly: true }
              }
            ]
          },
        ]
      }
    ]
  },
  node: {
    global: true
  },
  plugins: [
    new VueLoaderPlugin(),
    new webpack.ProvidePlugin({
      jQuery: 'jquery',
      $: 'jquery'
    }),
    isExistDllFile && new webpack.DllReferencePlugin({
      context: __dirname,
      manifest: path.join(__dirname, '../dist/vendors-manifest.json')
    }),
    new WebpackBar(),
  ]
}

[alexander-akait]

Please remove cache-loader, you don't need it, please use https://webpack.js.org/configuration/cache/

[cq112233]

Please remove cache-loader, you don't need it, please use https://webpack.js.org/configuration/cache/

👌

[alexander-akait]

Closing due to inactivity. Please test with latest version and feel free to reopen if still regressions. Thanks!