[wp-trac] [WordPress Trac] #64429: Script Modules: Dependencies inherit fetchpriority from not-enqueued, registered modules

[WordPress Trac]

#64429: Script Modules: Dependencies inherit fetchpriority from not-enqueued,
registered modules
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 Reporter:  jonsurrell                |       Owner:  westonruter
     Type:  defect (bug)              |      Status:  accepted
 Priority:  normal                    |   Milestone:  6.9.1
Component:  Script Loader             |     Version:  6.9
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:  javascript
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Description changed by westonruter:

Old description:

> In [https://github.com/WordPress/wordpress-develop/pull/10638 PR 10638],
> it was noticed that a script module's fetchpriority may increased to
> match its dependent's fetchpriority even if that module is not enqueued.
>
> It seems that the dependency's fetchpriority should only increase when an
> enqueued dependent has a higher fetchpriority, not when any registered
> dependent has a higher fetchpriority.
>
> [60931] added the logic for module dependencies to increase their fetch
> priority.

New description:

 In [https://github.com/WordPress/wordpress-develop/pull/10638 PR 10638]
 ([https://github.com/WordPress/wordpress-
 develop/pull/10638#discussion_r2623418658 comment]), it was noticed that a
 script module's fetchpriority may increased to match its dependent's
 fetchpriority even if that module is not enqueued.

 It seems that the dependency's fetchpriority should only increase when an
 enqueued dependent has a higher fetchpriority, not when any registered
 dependent has a higher fetchpriority.

 [60931] added the logic for module dependencies to increase their fetch
 priority.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64429#comment:7>
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