feat(searchbar): ionChange will only emit from user committed changes (#26026)

angular/src/directives/control-value-accessors/text-value-accessor.ts

@@ -4,8 +4,7 @@ import { NG_VALUE_ACCESSOR } from '@angular/forms';
 import { ValueAccessor } from './value-accessor';
 
 @Directive({
-  /* tslint:disable-next-line:directive-selector */
-  selector: 'ion-searchbar',
+  selector: 'ion-input:not([type=number]),ion-textarea,ion-searchbar',
   providers: [
     {
       provide: NG_VALUE_ACCESSOR,
@@ -19,28 +18,6 @@ export class TextValueAccessorDirective extends ValueAccessor {
     super(injector, el);
   }
 
-  @HostListener('ionChange', ['$event.target'])
-  _handleInputEvent(el: any): void {
-    this.handleValueChange(el, el.value);
-  }
-}
-
-@Directive({
-  selector: 'ion-input:not([type=number]),ion-textarea',
-  providers: [
-    {
-      provide: NG_VALUE_ACCESSOR,
-      useExisting: InputValueAccessorDirective,
-      multi: true,
-    },
-  ],
-})
-// TODO rename this value accessor to `TextValueAccessorDirective` when search-bar is updated
-export class InputValueAccessorDirective extends ValueAccessor {
-  constructor(injector: Injector, el: ElementRef) {
-    super(injector, el);
-  }
-
   @HostListener('ionInput', ['$event.target'])
   _handleInputEvent(el: any): void {
     this.handleValueChange(el, el.value);

angular/src/directives/proxies.ts

@@ -1518,11 +1518,17 @@ export class IonRow {
 import type { SearchbarChangeEventDetail as ISearchbarSearchbarChangeEventDetail } from '@ionic/core';
 export declare interface IonSearchbar extends Components.IonSearchbar {
   /**
-   * Emitted when a keyboard input occurred. 
+   * Emitted when the `value` of the `ion-searchbar` element has changed. 
    */
-  ionInput: EventEmitter<CustomEvent<KeyboardEvent>>;
+  ionInput: EventEmitter<CustomEvent<KeyboardEvent | null>>;
   /**
-   * Emitted when the value has changed. 
+   * The `ionChange` event is fired for `<ion-searchbar>` elements when the user
+modifies the element's value. Unlike the `ionInput` event, the `ionChange`
+event is not necessarily fired for each alteration to an element's value.
+
+The `ionChange` event is fired when the element loses focus after its value
+has been modified. This includes modifications made when clicking the clear
+or cancel buttons. 
    */
   ionChange: EventEmitter<CustomEvent<ISearchbarSearchbarChangeEventDetail>>;
   /**

angular/src/index.ts

@@ -3,10 +3,7 @@ export { BooleanValueAccessorDirective as BooleanValueAccessor } from './directi
 export { NumericValueAccessorDirective as NumericValueAccessor } from './directives/control-value-accessors/numeric-value-accessor';
 export { RadioValueAccessorDirective as RadioValueAccessor } from './directives/control-value-accessors/radio-value-accessor';
 export { SelectValueAccessorDirective as SelectValueAccessor } from './directives/control-value-accessors/select-value-accessor';
-export {
-  TextValueAccessorDirective as TextValueAccessor,
-  InputValueAccessorDirective as InputValueAccessor,
-} from './directives/control-value-accessors/text-value-accessor';
+export { TextValueAccessorDirective as TextValueAccessor } from './directives/control-value-accessors/text-value-accessor';
 export { IonTabs } from './directives/navigation/ion-tabs';
 export { IonBackButtonDelegateDirective as IonBackButtonDelegate } from './directives/navigation/ion-back-button';
 export { NavDelegate } from './directives/navigation/nav-delegate';

angular/src/ionic-module.ts

@@ -9,7 +9,6 @@ import {
   RadioValueAccessorDirective,
   SelectValueAccessorDirective,
   TextValueAccessorDirective,
-  InputValueAccessorDirective,
 } from './directives/control-value-accessors';
 import { IonBackButtonDelegateDirective } from './directives/navigation/ion-back-button';
 import { IonRouterOutlet } from './directives/navigation/ion-router-outlet';
@@ -41,7 +40,6 @@ const DECLARATIONS = [
   RadioValueAccessorDirective,
   SelectValueAccessorDirective,
   TextValueAccessorDirective,
-  InputValueAccessorDirective,
 
   // navigation
   IonTabs,