[Fizz] track postpones when aborting boundaries with a postpone #30751
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When aborting with a postpone value boundaries are put into client rendered mode even during prerenders. This doesn't follow the postpoen semantics of the rest of fizz where during a prerender a postpone is tracked and it will leave holes in tracked postpone state that can be resumed. This change updates this behavior to match the postpones semantics between aborts and imperative postpones.
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sebmarkbage
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Aug 20, 2024
| @@ -3857,7 +3857,6 @@ function abortTask(task: Task, request: Request, error: mixed): void { | |||
| } else { | |||
| boundary.pendingTasks--; | |||
| if (boundary.status !== CLIENT_RENDERED) { | |||
| boundary.status = CLIENT_RENDERED; | |||
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The point of setting this right away is to avoid a situation where something throws below and we're not in this status.
We really shouldn't throw below though.
sebmarkbage
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| // If this boundary was still pending then we haven't already cancelled its fallbacks. | ||
| // We'll need to abort the fallbacks, which will also error that parent boundary. | ||
| boundary.fallbackAbortableTasks.forEach(fallbackTask => |
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This is the unfortunate case where we hadn't finished the fallback yet which should only be the case if it suspends or has too many awaits.
sebmarkbage
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When aborting with a postpone value boundaries are put into client rendered mode even during prerenders. This doesn't follow the postpoen semantics of the rest of fizz where during a prerender a postpone is tracked and it will leave holes in tracked postpone state that can be resumed. This change updates this behavior to match the postpones semantics between aborts and imperative postpones. DiffTrain build for [2505bf9](2505bf9)
eps1lon
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**breaking change for canary users: Bumps peer dependency of React from `19.0.0-rc-1eaccd82-20240816` to `19.0.0-rc-eb3ad065-20240822`** No changes required in Next.js it seems. [diff facebook/react@1eaccd82...eb3ad065](facebook/react@1eaccd8...eb3ad06) <details> <summary>React upstream changes</summary> - facebook/react#30761 - facebook/react#30779 - facebook/react#30775 - facebook/react#30770 - facebook/react#30756 - facebook/react#30755 - facebook/react#30768 - facebook/react#30760 - facebook/react#30732 - facebook/react#30757 - facebook/react#30750 - facebook/react#30751 - facebook/react#30753 - facebook/react#30740 - facebook/react#30748 - facebook/react#30746 - facebook/react#30747 - facebook/react#30731 - facebook/react#30725 - facebook/react#30741 - facebook/react#30730 - facebook/react#30726 - facebook/react#30717 - facebook/react#30729 - facebook/react#30721 - facebook/react#30720 - facebook/react#30705 </details>
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When aborting with a postpone value boundaries are put into client rendered mode even during prerenders. This doesn't follow the postpoen semantics of the rest of fizz where during a prerender a postpone is tracked and it will leave holes in tracked postpone state that can be resumed. This change updates this behavior to match the postpones semantics between aborts and imperative postpones.