Propose FileSystemSubscriptionManager #457
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@domenic Could you please provide some feedback on the API shape? |
| FileSystemObserverObserverOptions options = {}); | ||
| // Unsubscribes to changes to a FileSystemHandle. Returns a Promise that | ||
| // resolves when the unsubscription completes. | ||
| Promise<void> unsubscribe(FileSystemHandle handle); |
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This is different from https://developer.mozilla.org/en-US/docs/Web/API/PushManager which puts the unsubscribe() on the subscription object, but the same as https://wicg.github.io/cookie-store/#CookieStoreManager .
I would be interested to know more about why these two APIs made different choices, and how that should guide our choices.
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Some arguments here
- Adding
unsubscribe()toFileSystemHandleseems to suggest that a handle can be subscribed anywhere? But it actually only works in certain context (SW). - To align with FileSystemObserver.unobserve(handle). As stated in the background sction,
FileSysttemObserverinspires this proposal.
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I see, subscribe() doesn't return anything in our case. That makes sense.
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Thanks for your speedy feedback! I've addressed most of comments. PTAL. |
| FileSystemObserverObserverOptions options = {}); | ||
| // Unsubscribes to changes to a FileSystemHandle. Returns a Promise that | ||
| // resolves when the unsubscription completes. | ||
| Promise<void> unsubscribe(FileSystemHandle handle); |
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I see, subscribe() doesn't return anything in our case. That makes sense.
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Just curious, has this been discussed elsewhere, or is this PR the first time this is coming? To create some links, I will mention that this work seems to extend whatwg/fs#165. That PR, FileSystemObserver, should be a viable strategy towards accomplishing #72 and whatwg/fs#124, requests for observation/watching/file-notification. |
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Hi @rektide, this PR does evolve from FileSystemObserver, which has been launched in Chromium. This new interface is trying to support such capability in service workers. It was only discussed internally in Chromium but not here. We are publishing this to look for more feedback before going into implementation. |
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@fergald