main - febc0eb Add a null check to autocomplete options (#30734)

Author: rileyajones

fesm2022/autocomplete.mjs

@@ -206,7 +206,7 @@ class MatAutocomplete {
     }
     /** Panel should hide itself when the option list is empty. */
     _setVisibility() {
-        this.showPanel = !!this.options.length;
+        this.showPanel = !!this.options?.length;
         this._changeDetectorRef.markForCheck();
     }
     /** Emits the `select` event. */
@@ -756,10 +756,10 @@ class MatAutocompleteTrigger {
                 subscriber.next();
             }, { injector: this._environmentInjector });
         });
-        const optionChanges = this.autocomplete.options.changes.pipe(tap(() => this._positionStrategy.reapplyLastPosition()), 
+        const optionChanges = this.autocomplete.options?.changes.pipe(tap(() => this._positionStrategy.reapplyLastPosition()), 
         // Defer emitting to the stream until the next tick, because changing
         // bindings in here will cause "changed after checked" errors.
-        delay(0));
+        delay(0)) ?? of();
         // When the options are initially rendered, and when the option list changes...
         return (merge(initialRender, optionChanges)
             .pipe(