fix(for-of): call recalcUpdateSizes via afterNextRender in zoneless mode - 22.0.x#17355
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viktorkombov wants to merge 3 commits into
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fix(for-of): call recalcUpdateSizes via afterNextRender in zoneless mode - 22.0.x#17355viktorkombov wants to merge 3 commits into
viktorkombov wants to merge 3 commits into
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Closes #17280
Description
In zoneless Angular (
provideZonelessChangeDetection),NoopNgZone.onStablenever emits, sorecalcUpdateSizes()was never called after scrolling. This left the virtual scroll size cache uncorrected, causing the last visible row in MRL grids to appear partially clipped.Motivation / Context
In
for_of.directive.ts, at all three scroll handler sites, detect zoneless mode and useafterNextRender({ read: () => recalcUpdateSizes() })instead ofzone.onStable.pipe(first()).subscribe(recalcUpdateSizes). Zone mode keeps the original path unchanged (replacing it unconditionally breaks an existing zone-based scroll test).In
grid-base.directive.ts, the resizeNotify handler skips zone.run() in zoneless mode -notifyChanges()already callsmarkForCheck()which schedules CD via the zoneless scheduler.Type of Change (check all that apply):
Component(s) / Area(s) Affected:
Grid, For-of
How Has This Been Tested?
Added a zoneless describe block in
for_of.directive.spec.tsverifyingrecalcUpdateSizesis called after scroll when usingprovideZonelessChangeDetection.Test Configuration:
Screenshots / Recordings
Checklist:
feature/README.MDupdates for the feature docsREADME.MDCHANGELOG.MDupdates for newly added functionalityng updatemigrations for the breaking changes (migrations guidelines)