main - 097f49d fix(material/autocomplete): allow overlay backdrop by setting hasBackdrop option (#30631)

Author: mistrykaran91

autocomplete/index.d.ts

@@ -47,6 +47,10 @@ interface MatAutocompleteDefaultOptions {
      * they're interacting with the autocomplete.
      */
     requireSelection?: boolean;
+    /** Class to be applied to the autocomplete's backdrop. */
+    backdropClass?: string;
+    /** Whether the autocomplete has a backdrop. */
+    hasBackdrop?: boolean;
     /** Class or list of classes to be applied to the autocomplete's overlay panel. */
     overlayPanelClass?: string | string[];
     /** Whether icon indicators should be hidden for single-selection. */

fesm2022/autocomplete.mjs

@@ -55,6 +55,7 @@ function MAT_AUTOCOMPLETE_DEFAULT_OPTIONS_FACTORY() {
         autoSelectActiveOption: false,
         hideSingleSelectionIndicator: false,
         requireSelection: false,
+        hasBackdrop: false,
     };
 }
 /** Autocomplete component. */
@@ -995,6 +996,8 @@ class MatAutocompleteTrigger {
             scrollStrategy: this._scrollStrategy(),
             width: this._getPanelWidth(),
             direction: this._dir ?? undefined,
+            hasBackdrop: this._defaults?.hasBackdrop,
+            backdropClass: this._defaults?.backdropClass,
             panelClass: this._defaults?.overlayPanelClass,
         });
     }