1. module worker-loader
   1. function worker-loader ()
   2. function worker-loader.pitch (request)

module worker-loader

function worker-loader ()

• description and source-code

  function workerLoader() {}

• example usage

  n/a

function worker-loader.pitch (request)

• description and source-code

  function pitch(request) {
    if (!this.webpack) throw new Error('Only usable with webpack');
    this.cacheable(false);
    const callback = this.async();
    const query = loaderUtils.getOptions(this) || {};
    const filename = loaderUtils.interpolateName(this, query.name || '[hash].worker.js', {
      context: query.context || this.options.context,
      regExp: query.regExp,
    });
    const outputOptions = {
      filename,
      chunkFilename: `[id].${filename}`,
      namedChunkFilename: null,
    };
    if (this.options && this.options.worker && this.options.worker.output) {
      Object.keys(this.options.worker.output).forEach((name) => {
        outputOptions[name] = this.options.worker.output[name];
      });
    }
    const workerCompiler = this._compilation.createChildCompiler('worker', outputOptions);
    workerCompiler.apply(new WebWorkerTemplatePlugin(outputOptions));
    workerCompiler.apply(new SingleEntryPlugin(this.context, `!!${request}`, 'main'));
    if (this.options && this.options.worker && this.options.worker.plugins) {
      this.options.worker.plugins.forEach(plugin => workerCompiler.apply(plugin));
    }
    const subCache = `subcache ${__dirname} ${request}`;
    workerCompiler.plugin('compilation', (compilation) => {
      if (compilation.cache) {
        if (!compilation.cache[subCache]) {
          compilation.cache[subCache] = {};
        }
        compilation.cache = compilation.cache[subCache];
      }
    });
    workerCompiler.runAsChild((err, entries, compilation) => {
      if (err) return callback(err);
      if (entries[0]) {
        const workerFile = entries[0].files[0];
        const workerFactory = getWorker(workerFile, compilation.assets[workerFile].source(), query);
        if (query.fallback === false) {
          delete this._compilation.assets[workerFile];
        }
        return callback(null, `module.exports = function() {\n\treturn ${workerFactory};\n};`);
      }
      return callback(null, null);
    });
  }

• example usage

  n/a