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allow service workers to created nested dedicated workers #1529

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wanderview opened this issue Aug 13, 2020 · 7 comments
Open

allow service workers to created nested dedicated workers #1529

wanderview opened this issue Aug 13, 2020 · 7 comments

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@wanderview
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I think we've discussed this before, but I cannot find the issue. It would be nice to allow service workers to created nested dedicated workers via new Worker(). This would allow the service worker to perform CPU intensive operations, like custom decoding, without potentially blocking the thread being used to process further FetchEvents.

chromeos/static-site-scaffold-modules#40 (comment) is an example of where this would be useful.
@jakearchibald
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Yeah, I think workers are currently linked to a root document, so that needs to be changed to "document or service worker global", or something common between the two.

@wanderview
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I think dedicated workers can be nested under shared workers right now?

@mfalken
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mfalken commented Aug 27, 2020

Would the idea be that the dedicated worker lives as long as the service worker is running?

@wanderview
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Correct. Its lifetime would be bound by the lifetime of its parent, just like when creating a dedicated worker in a window or iframe.

@tophf
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tophf commented Jun 10, 2021 •
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FWIW, It would be useful for the new ManifestV3 browser extensions (currently implemented only in Chrome), which are built on service workers now so they've completely lost the ability to create workers in the background script.

Looks like whatwg/html#411

@raoulmillais raoulmillais mentioned this issue Mar 18, 2022
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@cohenerickson
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I would love to see this become implemented into the service worker spec, I think it would be beneficial for highly computational fetch requests.

@ian97531
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ian97531 commented Oct 6, 2022

I created a similar issue over in WHATWG: whatwg/html#8362

@asutherland asutherland mentioned this issue Oct 11, 2022
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@asutherland asutherland mentioned this issue Oct 31, 2023
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@asutherland asutherland mentioned this issue Jan 29, 2024
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@jakearchibald @ian97531 @wanderview @tophf @mfalken @cohenerickson