Editorial: pass signal to Request/create #1678
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This can probably be reviewed now, but shouldn't land until whatwg/fetch#1646 lands. |
annevk
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- This implements an optimization that puts all children on non-dependent signals (i.e., those associated with a controller). This allows "intermediate" nodes (e.g., B in A follows B follows C) to be garbage collected if they are being kept alive to propagate aborts. - This removes the follow algorithm, so callsites will need to be updated. - The "create a composite abort signal" algorithm takes an interface so that TaskSignal.any() can easily hook into it, but create a TaskSignal. - Some algorithms that invoke "follow" create an AbortSignal in a particular realm. This enables doing that, but borrows some language from elsewhere in the spec w.r.t. doing the default thing. Neither of the other two static members specify a realm. Follow-up PRs: - whatwg/fetch#1646 - w3c/ServiceWorker#1678 - whatwg/streams#1277 This also sets the stage to make AbortSignal's "signal abort" fully internal. #1194 tracks the remainder. Tests: web-platform-tests/wpt#37434 and web-platform-tests/wpt#39785. Fixes #920.
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See whatwg/dom#1152 for context. Tests: web-platform-tests/wpt#39951. SW PR: w3c/ServiceWorker#1678.
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For whatwg/fetch#1646.
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