When creating Web Workers for network communication, use self-referential URL patterns that are resilient to file renaming. This improves portability and reliability of your networking code.
When creating Web Workers for network communication, use self-referential URL patterns that are resilient to file renaming. This improves portability and reliability of your networking code.
For optimal worker initialization, consider these approaches:
new Worker(import.meta.url)
new Worker(new URL(import.meta.url))
new Worker(self.location.href)
// Recommended approach - resilient to file renaming
const worker = new Worker(new URL(import.meta.url));
// Alternative when referencing other worker files
const worker = new Worker(new URL('./worker.js', import.meta.url));
Be aware that when using the same script for both main thread and worker (self-referential pattern), bundlers like Vite will need to bundle the script twice, potentially increasing bundle size but allowing for shared code between contexts.
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