The maximum number of web workers used to compress/decompress data simultaneously.

The delay in milliseconds before idle web workers are automatically terminated. You can call terminateWorkers() to terminate idle workers.

The URIs of the compression/decompression scripts run in web workers.

It allows using alternative deflate implementations or specifying a URL to the worker script if the CSP of the page blocks scripts imported from a Blob URI. The properties deflate and inflate must specify arrays of URLs to import the deflate/inflate web workers, respectively. The first URL is relative to the base URI of the document. The other URLs are relative to the URL of the first script. Scripts in the array are executed in order. If you only use deflation or inflation, the unused deflate/inflate property can be omitted.

Here is an example:

configure({
  workerScripts: {
    deflate: ["library_path/custom-worker.js", "./custom-deflate.js"],
    inflate: ["library_path/custom-worker.js", "./custom-inflate.js"]
  }
});

If the CSP of the page blocks scripts imported from a Blob URI you can use z-worker.js from https://github.com/gildas-lormeau/zip.js/tree/master/dist and specify the URL where it can be found.

Here is an example:

configure({
  workerScripts: {
    deflate: ["library_path/z-worker.js"],
    inflate: ["library_path/z-worker.js"]
  }
});

The size of the chunks in bytes during data compression/decompression.

The codec implementation used to compress data.

The codec implementation used to decompress data.

The stream implementation used to compress data when useCompressionStream is set to false.

The stream implementation used to decompress data when useCompressionStream is set to false.