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fix(material/menu): prevent child menu reopening while parent is animating away #31958

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Merged
merged 1 commit into from
Oct 1, 2025
Merged

fix(material/menu): prevent child menu reopening while parent is animating away #31958

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7 changes: 6 additions & 1 deletion src/material/menu/menu-trigger.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -211,7 +211,12 @@ export class MatMenuTrigger extends MatMenuTriggerBase implements AfterContentIn
// Subscribe to changes in the hovered item in order to toggle the panel.
if (this.triggersSubmenu() && this._parentMaterialMenu) {
this._hoverSubscription = this._parentMaterialMenu._hovered().subscribe(active => {
if (active === this._menuItemInstance && !active.disabled) {
if (
active === this._menuItemInstance &&
!active.disabled &&
// Ignore hover events if the parent menu is in the process of being closed (see #31956).
this._parentMaterialMenu?._panelAnimationState !== 'void'
) {
this._openedBy = 'mouse';
// Open the menu, but do NOT auto-focus on first item when just hovering.
// When VoiceOver is enabled, this is particularly confusing as the focus will
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