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thread-loader

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thread-loader

Runs the following loaders in a worker pool

  • 4.0.4
  • latest
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
1.4M
decreased by-1.43%
Maintainers
3
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Created

What is thread-loader?

The thread-loader package is used to offload expensive loaders to a worker pool. It can be particularly useful when dealing with resource-intensive loaders in a webpack build process, as it can help to speed up compilation by parallelizing the work.

What are thread-loader's main functionalities?

Offloading Loaders to Worker Pool

This feature allows you to offload loaders like 'babel-loader' to a worker pool. The code sample shows how to use 'thread-loader' in a webpack configuration file to process JavaScript files with 'babel-loader' in a separate thread.

module.exports = {
  module: {
    rules: [
      {
        test: /\.js$/,
        include: path.resolve('src'),
        use: [
          'thread-loader',
          'babel-loader'
        ]
      }
    ]
  }
};

Custom Worker Pool

This feature allows you to specify the number of workers in the pool. The code sample demonstrates how to set up a custom worker pool with two workers using 'thread-loader' options.

module.exports = {
  module: {
    rules: [
      {
        test: /\.js$/,
        include: path.resolve('src'),
        use: [
          {
            loader: 'thread-loader',
            options: {
              workers: 2
            }
          },
          'babel-loader'
        ]
      }
    ]
  }
};

Worker Pool Warm-up

This feature allows you to warm up the worker pool before running the actual loaders. The code sample shows how to use 'thread-loader' to pre-load 'babel-loader' and '@babel/preset-env' to the worker pool.

const threadLoader = require('thread-loader');

const warmupOptions = {
  // pool options, like passed to loader options
  // must match loader options to boot the correct pool
};

threadLoader.warmup(warmupOptions, [
  // modules to load
  // can be any module, i. e.
  'babel-loader',
  '@babel/preset-env'
]);

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Package last updated on 18 Sep 2024

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