utils/createBlobWorker.js - Blob Worker Utility

Location: src/utils/createBlobWorker.js

This file provides utilities for creating and managing web workers from blob URLs. This is a crucial technique for enabling cross-origin worker execution, which is a common requirement in web applications where the main application and the worker scripts are served from different origins.

Functions

createBlobWorkerUrl(workerUrl)

• Description: Fetches a worker script from a URL and creates a blob URL from its content.
• workerUrl (string): The URL of the bundled worker script (worker-dist.js).
• Returns: A promise that resolves to a blob URL (string).
• Throws: Error if the worker script cannot be fetched.

createBlobWorker(workerUrl)

• Description: Creates a Worker instance using the blob URL pattern.
• workerUrl (string): The URL of the bundled worker script (worker-dist.js).
• Returns: A promise that resolves to a Worker instance.
• Throws: Error if the worker creation fails.

revokeBlobUrl(blobUrl)

• Description: Revokes a blob URL to release memory. This is an important cleanup step to prevent memory leaks.
• blobUrl (string): The blob URL to revoke.