1000 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			1000 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| /**
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|  * @license
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|  * Copyright Google Inc. All Rights Reserved.
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|  *
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|  * Use of this source code is governed by an MIT-style license that can be
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|  * found in the LICENSE file at https://angular.io/license
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|  */
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| 
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| import {EventEmitter} from '@angular/core';
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| 
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| import {AttributeMarker, defineComponent, defineDirective, tick} from '../../src/render3/index';
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| import {NO_CHANGE, bind, container, containerRefreshEnd, containerRefreshStart, element, elementEnd, elementProperty, elementStart, embeddedViewEnd, embeddedViewStart, interpolation1, listener, loadDirective, reference, text, textBinding} from '../../src/render3/instructions';
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| import {RenderFlags} from '../../src/render3/interfaces/definition';
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| import {pureFunction1, pureFunction2} from '../../src/render3/pure_function';
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| 
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| import {ComponentFixture, TemplateFixture, createComponent, renderToHtml} from './render_util';
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| 
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| describe('elementProperty', () => {
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| 
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|   it('should support bindings to properties', () => {
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|     const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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|       if (rf & RenderFlags.Create) {
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|         element(0, 'span');
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|       }
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|       if (rf & RenderFlags.Update) {
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|         elementProperty(0, 'id', bind(ctx.id));
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|       }
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|     }, 1, 1);
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| 
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|     const fixture = new ComponentFixture(App);
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|     fixture.component.id = 'testId';
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|     fixture.update();
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|     expect(fixture.html).toEqual('<span id="testId"></span>');
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| 
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|     fixture.component.id = 'otherId';
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|     fixture.update();
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|     expect(fixture.html).toEqual('<span id="otherId"></span>');
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|   });
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| 
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|   it('should support creation time bindings to properties', () => {
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|     function expensive(ctx: string): any {
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|       if (ctx === 'cheapId') {
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|         return ctx;
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|       } else {
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|         throw 'Too expensive!';
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|       }
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|     }
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| 
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|     function Template(rf: RenderFlags, ctx: string) {
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|       if (rf & RenderFlags.Create) {
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|         element(0, 'span');
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|       }
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|       if (rf & RenderFlags.Update) {
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|         elementProperty(0, 'id', rf & RenderFlags.Create ? expensive(ctx) : NO_CHANGE);
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|       }
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|     }
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| 
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|     expect(renderToHtml(Template, 'cheapId', 1)).toEqual('<span id="cheapId"></span>');
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|     expect(renderToHtml(Template, 'expensiveId', 1)).toEqual('<span id="cheapId"></span>');
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|   });
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| 
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|   it('should support interpolation for properties', () => {
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|     const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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|       if (rf & RenderFlags.Create) {
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|         element(0, 'span');
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|       }
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|       if (rf & RenderFlags.Update) {
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|         elementProperty(0, 'id', interpolation1('_', ctx.id, '_'));
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|       }
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|     }, 1, 1);
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| 
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|     const fixture = new ComponentFixture(App);
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|     fixture.component.id = 'testId';
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|     fixture.update();
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|     expect(fixture.html).toEqual('<span id="_testId_"></span>');
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| 
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|     fixture.component.id = 'otherId';
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|     fixture.update();
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|     expect(fixture.html).toEqual('<span id="_otherId_"></span>');
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|   });
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| 
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|   describe('host', () => {
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|     let nameComp !: NameComp;
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| 
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|     class NameComp {
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|       names !: string[];
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| 
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|       static ngComponentDef = defineComponent({
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|         type: NameComp,
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|         selectors: [['name-comp']],
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|         factory: function NameComp_Factory() { return nameComp = new NameComp(); },
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|         consts: 0,
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|         vars: 0,
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|         template: function NameComp_Template(rf: RenderFlags, ctx: NameComp) {},
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|         inputs: {names: 'names'}
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|       });
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|     }
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| 
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|     it('should support host bindings in directives', () => {
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|       let directiveInstance: Directive|undefined;
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| 
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|       class Directive {
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|         // @HostBinding('className')
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|         klass = 'foo';
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| 
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|         static ngDirectiveDef = defineDirective({
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|           type: Directive,
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|           selectors: [['', 'dir', '']],
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|           factory: () => directiveInstance = new Directive,
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|           hostVars: 1,
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|           hostBindings: (directiveIndex: number, elementIndex: number) => {
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|             elementProperty(
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|                 elementIndex, 'className', bind(loadDirective<Directive>(directiveIndex).klass));
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|           }
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|         });
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|       }
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| 
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|       function Template() { element(0, 'span', [AttributeMarker.SelectOnly, 'dir']); }
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| 
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|       const fixture = new TemplateFixture(Template, () => {}, 1, 0, [Directive]);
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|       expect(fixture.html).toEqual('<span class="foo"></span>');
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| 
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|       directiveInstance !.klass = 'bar';
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|       fixture.update();
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|       expect(fixture.html).toEqual('<span class="bar"></span>');
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|     });
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| 
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|     it('should support host bindings on root component', () => {
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|       class HostBindingComp {
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|         // @HostBinding()
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|         id = 'my-id';
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| 
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|         static ngComponentDef = defineComponent({
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|           type: HostBindingComp,
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|           selectors: [['host-binding-comp']],
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|           factory: () => new HostBindingComp(),
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|           consts: 0,
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|           vars: 0,
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|           hostVars: 1,
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|           hostBindings: (dirIndex: number, elIndex: number) => {
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|             const instance = loadDirective(dirIndex) as HostBindingComp;
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|             elementProperty(elIndex, 'id', bind(instance.id));
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|           },
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|           template: (rf: RenderFlags, ctx: HostBindingComp) => {}
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|         });
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|       }
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| 
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|       const fixture = new ComponentFixture(HostBindingComp);
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|       expect(fixture.hostElement.id).toBe('my-id');
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| 
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|       fixture.component.id = 'other-id';
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|       fixture.update();
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|       expect(fixture.hostElement.id).toBe('other-id');
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|     });
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| 
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|     it('should support component with host bindings and array literals', () => {
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|       const ff = (v: any) => ['Nancy', v, 'Ned'];
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| 
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|       class HostBindingComp {
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|         // @HostBinding()
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|         id = 'my-id';
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| 
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|         static ngComponentDef = defineComponent({
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|           type: HostBindingComp,
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|           selectors: [['host-binding-comp']],
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|           factory: () => new HostBindingComp(),
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|           consts: 0,
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|           vars: 0,
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|           hostVars: 1,
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|           hostBindings: (dirIndex: number, elIndex: number) => {
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|             const ctx = loadDirective(dirIndex) as HostBindingComp;
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|             elementProperty(elIndex, 'id', bind(ctx.id));
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|           },
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|           template: (rf: RenderFlags, ctx: HostBindingComp) => {}
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|         });
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|       }
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| 
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|       /**
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|        * <name-comp [names]="['Nancy', name, 'Ned']"></name-comp>
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|        * <host-binding-comp></host-binding-comp>
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|        */
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|       const AppComponent = createComponent('app', function(rf: RenderFlags, ctx: any) {
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|         if (rf & RenderFlags.Create) {
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|           element(0, 'name-comp');
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|           element(1, 'host-binding-comp');
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|         }
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|         if (rf & RenderFlags.Update) {
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|           elementProperty(0, 'names', bind(pureFunction1(1, ff, ctx.name)));
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|         }
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|       }, 2, 3, [HostBindingComp, NameComp]);
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| 
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|       const fixture = new ComponentFixture(AppComponent);
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|       const hostBindingEl = fixture.hostElement.querySelector('host-binding-comp') as HTMLElement;
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|       fixture.component.name = 'Betty';
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|       fixture.update();
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|       expect(hostBindingEl.id).toBe('my-id');
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|       expect(nameComp.names).toEqual(['Nancy', 'Betty', 'Ned']);
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| 
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|       const firstArray = nameComp.names;
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|       fixture.update();
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|       expect(firstArray).toBe(nameComp.names);
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| 
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|       fixture.component.name = 'my-id';
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|       fixture.update();
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|       expect(hostBindingEl.id).toBe('my-id');
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|       expect(nameComp.names).toEqual(['Nancy', 'my-id', 'Ned']);
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|     });
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| 
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|     // Note: This is a contrived example. For feature parity with render2, we should make sure it
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|     // works in this way (see https://stackblitz.com/edit/angular-cbqpbe), but a more realistic
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|     // example would be an animation host binding with a literal defining the animation config.
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|     // When animation support is added, we should add another test for that case.
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|     it('should support host bindings that contain array literals', () => {
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|       const ff = (v: any) => ['red', v];
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|       const ff2 = (v: any, v2: any) => [v, v2];
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|       const ff3 = (v: any, v2: any) => [v, 'Nancy', v2];
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|       let hostBindingComp !: HostBindingComp;
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| 
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|       /**
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|        * @Component({
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|        *   ...
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|        *   host: {
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|        *     `[id]`: `['red', id]`,
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|        *     `[dir]`: `dir`,
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|        *     `[title]`: `[title, otherTitle]`
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|        *   }
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|        * })
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|        *
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|        */
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|       class HostBindingComp {
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|         id = 'blue';
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|         dir = 'ltr';
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|         title = 'my title';
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|         otherTitle = 'other title';
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| 
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|         static ngComponentDef = defineComponent({
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|           type: HostBindingComp,
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|           selectors: [['host-binding-comp']],
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|           factory: () => hostBindingComp = new HostBindingComp(),
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|           consts: 0,
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|           vars: 0,
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|           hostVars: 8,
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|           hostBindings: (dirIndex: number, elIndex: number) => {
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|             const ctx = loadDirective(dirIndex) as HostBindingComp;
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|             // LViewData: [..., id, dir, title, ctx.id, pf1, ctx.title, ctx.otherTitle, pf2]
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|             elementProperty(elIndex, 'id', bind(pureFunction1(3, ff, ctx.id)));
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|             elementProperty(elIndex, 'dir', bind(ctx.dir));
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|             elementProperty(
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|                 elIndex, 'title', bind(pureFunction2(5, ff2, ctx.title, ctx.otherTitle)));
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|           },
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|           template: (rf: RenderFlags, ctx: HostBindingComp) => {}
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|         });
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|       }
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| 
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|       /**
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|        * <name-comp [names]="[name, 'Nancy', otherName]"></name-comp>
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|        * <host-binding-comp></host-binding-comp>
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|        */
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|       const AppComponent = createComponent('app', function(rf: RenderFlags, ctx: any) {
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|         if (rf & RenderFlags.Create) {
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|           element(0, 'name-comp');
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|           element(1, 'host-binding-comp');
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|         }
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|         if (rf & RenderFlags.Update) {
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|           elementProperty(0, 'names', bind(pureFunction2(1, ff3, ctx.name, ctx.otherName)));
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|         }
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|       }, 2, 4, [HostBindingComp, NameComp]);
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| 
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|       const fixture = new ComponentFixture(AppComponent);
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|       fixture.component.name = 'Frank';
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|       fixture.component.otherName = 'Joe';
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|       fixture.update();
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| 
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|       const hostBindingEl = fixture.hostElement.querySelector('host-binding-comp') as HTMLElement;
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|       expect(hostBindingEl.id).toBe('red,blue');
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|       expect(hostBindingEl.dir).toBe('ltr');
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|       expect(hostBindingEl.title).toBe('my title,other title');
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|       expect(nameComp.names).toEqual(['Frank', 'Nancy', 'Joe']);
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| 
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|       const firstArray = nameComp.names;
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|       fixture.update();
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|       expect(firstArray).toBe(nameComp.names);
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| 
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|       hostBindingComp.id = 'green';
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|       hostBindingComp.dir = 'rtl';
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|       hostBindingComp.title = 'TITLE';
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|       fixture.update();
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|       expect(hostBindingEl.id).toBe('red,green');
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|       expect(hostBindingEl.dir).toBe('rtl');
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|       expect(hostBindingEl.title).toBe('TITLE,other title');
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|     });
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| 
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|     it('should support host bindings with literals from multiple directives', () => {
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|       let hostBindingComp !: HostBindingComp;
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|       let hostBindingDir !: HostBindingDir;
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| 
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|       const ff = (v: any) => ['red', v];
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| 
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|       /**
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|        * @Component({
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|        *   ...
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|        *   host: {
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|        *     '[id]': '['red', id]'
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|        *   }
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|        * })
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|        *
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|        */
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|       class HostBindingComp {
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|         id = 'blue';
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| 
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|         static ngComponentDef = defineComponent({
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|           type: HostBindingComp,
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|           selectors: [['host-binding-comp']],
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|           factory: () => hostBindingComp = new HostBindingComp(),
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|           consts: 0,
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|           vars: 0,
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|           hostVars: 3,
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|           hostBindings: (dirIndex: number, elIndex: number) => {
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|             // LViewData: [..., id, ctx.id, pf1]
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|             const ctx = loadDirective(dirIndex) as HostBindingComp;
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|             elementProperty(elIndex, 'id', bind(pureFunction1(1, ff, ctx.id)));
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|           },
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|           template: (rf: RenderFlags, ctx: HostBindingComp) => {}
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|         });
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|       }
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| 
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|       const ff1 = (v: any) => [v, 'other title'];
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| 
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|       /**
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|        * @Directive({
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|        *   ...
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|        *   host: {
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|        *     '[title]': '[title, 'other title']'
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|        *   }
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|        * })
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|        *
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|        */
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|       class HostBindingDir {
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|         title = 'my title';
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| 
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|         static ngDirectiveDef = defineDirective({
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|           type: HostBindingDir,
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|           selectors: [['', 'hostDir', '']],
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|           factory: () => hostBindingDir = new HostBindingDir(),
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|           hostVars: 3,
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|           hostBindings: (dirIndex: number, elIndex: number) => {
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|             // LViewData [..., title, ctx.title, pf1]
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|             const ctx = loadDirective(dirIndex) as HostBindingDir;
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|             elementProperty(elIndex, 'title', bind(pureFunction1(1, ff1, ctx.title)));
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|           }
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|         });
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|       }
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| 
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|       /**
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|        * <host-binding-comp hostDir>
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|        * </host-binding-comp>
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|        */
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|       const AppComponent = createComponent('app', function(rf: RenderFlags, ctx: any) {
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|         if (rf & RenderFlags.Create) {
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|           element(0, 'host-binding-comp', ['hostDir', '']);
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|         }
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|       }, 1, 0, [HostBindingComp, HostBindingDir]);
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| 
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|       const fixture = new ComponentFixture(AppComponent);
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|       const hostElement = fixture.hostElement.querySelector('host-binding-comp') as HTMLElement;
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|       expect(hostElement.id).toBe('red,blue');
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|       expect(hostElement.title).toBe('my title,other title');
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| 
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|       hostBindingDir.title = 'blue';
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|       fixture.update();
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|       expect(hostElement.title).toBe('blue,other title');
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| 
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|       hostBindingComp.id = 'green';
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|       fixture.update();
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|       expect(hostElement.id).toBe('red,green');
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|     });
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| 
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|     it('should support ternary expressions in host bindings', () => {
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|       let hostBindingComp !: HostBindingComp;
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| 
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|       const ff = (v: any) => ['red', v];
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|       const ff1 = (v: any) => [v];
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| 
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|       /**
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|        * @Component({
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|        *   ...
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|        *   host: {
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|        *     `[id]`: `condition ? ['red', id] : 'green'`,
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|        *     `[title]`: `otherCondition ? [title] : 'other title'`
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|        *   }
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|        * })
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|        *
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|        */
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|       class HostBindingComp {
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|         condition = true;
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|         otherCondition = true;
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|         id = 'blue';
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|         title = 'blue';
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| 
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|         static ngComponentDef = defineComponent({
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|           type: HostBindingComp,
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|           selectors: [['host-binding-comp']],
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|           factory: () => hostBindingComp = new HostBindingComp(),
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|           consts: 0,
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|           vars: 0,
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|           hostVars: 6,
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|           hostBindings: (dirIndex: number, elIndex: number) => {
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|             // LViewData: [..., id, title, ctx.id, pf1, ctx.title, pf1]
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|             const ctx = loadDirective(dirIndex) as HostBindingComp;
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|             elementProperty(
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|                 elIndex, 'id', bind(ctx.condition ? pureFunction1(2, ff, ctx.id) : 'green'));
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|             elementProperty(
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|                 elIndex, 'title',
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|                 bind(ctx.otherCondition ? pureFunction1(4, ff1, ctx.title) : 'other title'));
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|           },
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|           template: (rf: RenderFlags, ctx: HostBindingComp) => {}
 | |
|         });
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|       }
 | |
| 
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|       /**
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|        * <host-binding-comp></host-binding-comp>
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|        * {{ name }}
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|        */
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|       const AppComponent = createComponent('app', function(rf: RenderFlags, ctx: any) {
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|         if (rf & RenderFlags.Create) {
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|           element(0, 'host-binding-comp');
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|           text(1);
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|         }
 | |
|         if (rf & RenderFlags.Update) {
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|           textBinding(1, bind(ctx.name));
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|         }
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|       }, 2, 1, [HostBindingComp]);
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| 
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|       const fixture = new ComponentFixture(AppComponent);
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|       const hostElement = fixture.hostElement.querySelector('host-binding-comp') as HTMLElement;
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|       fixture.component.name = 'Ned';
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|       fixture.update();
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|       expect(hostElement.id).toBe('red,blue');
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|       expect(hostElement.title).toBe('blue');
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|       expect(fixture.html)
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|           .toEqual(`<host-binding-comp id="red,blue" title="blue"></host-binding-comp>Ned`);
 | |
| 
 | |
|       hostBindingComp.condition = false;
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|       hostBindingComp.title = 'TITLE';
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|       fixture.update();
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|       expect(hostElement.id).toBe('green');
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|       expect(hostElement.title).toBe('TITLE');
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| 
 | |
|       hostBindingComp.otherCondition = false;
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|       fixture.update();
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|       expect(hostElement.id).toBe('green');
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|       expect(hostElement.title).toBe('other title');
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|     });
 | |
| 
 | |
|   });
 | |
| 
 | |
|   describe('input properties', () => {
 | |
|     let button: MyButton;
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|     let otherDir: OtherDir;
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|     let otherDisabledDir: OtherDisabledDir;
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|     let idDir: IdDir;
 | |
| 
 | |
|     class MyButton {
 | |
|       // TODO(issue/24571): remove '!'.
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|       disabled !: boolean;
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| 
 | |
|       static ngDirectiveDef = defineDirective({
 | |
|         type: MyButton,
 | |
|         selectors: [['', 'myButton', '']],
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|         factory: () => button = new MyButton(),
 | |
|         inputs: {disabled: 'disabled'}
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     class OtherDir {
 | |
|       // TODO(issue/24571): remove '!'.
 | |
|       id !: number;
 | |
|       clickStream = new EventEmitter();
 | |
| 
 | |
|       static ngDirectiveDef = defineDirective({
 | |
|         type: OtherDir,
 | |
|         selectors: [['', 'otherDir', '']],
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|         factory: () => otherDir = new OtherDir(),
 | |
|         inputs: {id: 'id'},
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|         outputs: {clickStream: 'click'}
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|       });
 | |
|     }
 | |
| 
 | |
|     class OtherDisabledDir {
 | |
|       // TODO(issue/24571): remove '!'.
 | |
|       disabled !: boolean;
 | |
| 
 | |
|       static ngDirectiveDef = defineDirective({
 | |
|         type: OtherDisabledDir,
 | |
|         selectors: [['', 'otherDisabledDir', '']],
 | |
|         factory: () => otherDisabledDir = new OtherDisabledDir(),
 | |
|         inputs: {disabled: 'disabled'}
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     class IdDir {
 | |
|       // TODO(issue/24571): remove '!'.
 | |
|       idNumber !: string;
 | |
| 
 | |
|       static ngDirectiveDef = defineDirective({
 | |
|         type: IdDir,
 | |
|         selectors: [['', 'idDir', '']],
 | |
|         factory: () => idDir = new IdDir(),
 | |
|         inputs: {idNumber: 'id'}
 | |
|       });
 | |
|     }
 | |
| 
 | |
| 
 | |
|     const deps = [MyButton, OtherDir, OtherDisabledDir, IdDir];
 | |
| 
 | |
|     it('should check input properties before setting (directives)', () => {
 | |
| 
 | |
|       /** <button myButton otherDir [id]="id" [disabled]="isDisabled">Click me</button> */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           elementStart(0, 'button', ['otherDir', '', 'myButton', '']);
 | |
|           { text(1, 'Click me'); }
 | |
|           elementEnd();
 | |
|         }
 | |
|         if (rf & RenderFlags.Update) {
 | |
|           elementProperty(0, 'disabled', bind(ctx.isDisabled));
 | |
|           elementProperty(0, 'id', bind(ctx.id));
 | |
|         }
 | |
|       }, 2, 2, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       fixture.component.isDisabled = true;
 | |
|       fixture.component.id = 0;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<button mybutton="" otherdir="">Click me</button>`);
 | |
|       expect(button !.disabled).toEqual(true);
 | |
|       expect(otherDir !.id).toEqual(0);
 | |
| 
 | |
|       fixture.component.isDisabled = false;
 | |
|       fixture.component.id = 1;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<button mybutton="" otherdir="">Click me</button>`);
 | |
|       expect(button !.disabled).toEqual(false);
 | |
|       expect(otherDir !.id).toEqual(1);
 | |
|     });
 | |
| 
 | |
|     it('should support mixed element properties and input properties', () => {
 | |
| 
 | |
|       /** <button myButton [id]="id" [disabled]="isDisabled">Click me</button> */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           elementStart(0, 'button', ['myButton', '']);
 | |
|           { text(1, 'Click me'); }
 | |
|           elementEnd();
 | |
|         }
 | |
|         if (rf & RenderFlags.Update) {
 | |
|           elementProperty(0, 'disabled', bind(ctx.isDisabled));
 | |
|           elementProperty(0, 'id', bind(ctx.id));
 | |
|         }
 | |
|       }, 2, 2, deps);
 | |
| 
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       fixture.component.isDisabled = true;
 | |
|       fixture.component.id = 0;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<button id="0" mybutton="">Click me</button>`);
 | |
|       expect(button !.disabled).toEqual(true);
 | |
| 
 | |
|       fixture.component.isDisabled = false;
 | |
|       fixture.component.id = 1;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<button id="1" mybutton="">Click me</button>`);
 | |
|       expect(button !.disabled).toEqual(false);
 | |
|     });
 | |
| 
 | |
|     it('should check that property is not an input property before setting (component)', () => {
 | |
|       let comp: Comp;
 | |
| 
 | |
|       class Comp {
 | |
|         // TODO(issue/24571): remove '!'.
 | |
|         id !: number;
 | |
| 
 | |
|         static ngComponentDef = defineComponent({
 | |
|           type: Comp,
 | |
|           selectors: [['comp']],
 | |
|           consts: 0,
 | |
|           vars: 0,
 | |
|           template: function(rf: RenderFlags, ctx: any) {},
 | |
|           factory: () => comp = new Comp(),
 | |
|           inputs: {id: 'id'}
 | |
|         });
 | |
|       }
 | |
| 
 | |
|       /** <comp [id]="id"></comp> */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           element(0, 'comp');
 | |
|         }
 | |
|         if (rf & RenderFlags.Update) {
 | |
|           elementProperty(0, 'id', bind(ctx.id));
 | |
|         }
 | |
|       }, 1, 1, [Comp]);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       fixture.component.id = 1;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<comp></comp>`);
 | |
|       expect(comp !.id).toEqual(1);
 | |
| 
 | |
|       fixture.component.id = 2;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<comp></comp>`);
 | |
|       expect(comp !.id).toEqual(2);
 | |
|     });
 | |
| 
 | |
|     it('should support two input properties with the same name', () => {
 | |
| 
 | |
|       /** <button myButton otherDisabledDir [disabled]="isDisabled">Click me</button> */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           elementStart(0, 'button', ['myButton', '', 'otherDisabledDir', '']);
 | |
|           { text(1, 'Click me'); }
 | |
|           elementEnd();
 | |
|         }
 | |
|         if (rf & RenderFlags.Update) {
 | |
|           elementProperty(0, 'disabled', bind(ctx.isDisabled));
 | |
|         }
 | |
|       }, 2, 1, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       fixture.component.isDisabled = true;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<button mybutton="" otherdisableddir="">Click me</button>`);
 | |
|       expect(button !.disabled).toEqual(true);
 | |
|       expect(otherDisabledDir !.disabled).toEqual(true);
 | |
| 
 | |
|       fixture.component.isDisabled = false;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<button mybutton="" otherdisableddir="">Click me</button>`);
 | |
|       expect(button !.disabled).toEqual(false);
 | |
|       expect(otherDisabledDir !.disabled).toEqual(false);
 | |
|     });
 | |
| 
 | |
|     it('should set input property if there is an output first', () => {
 | |
|       /** <button otherDir [id]="id" (click)="onClick()">Click me</button> */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           elementStart(0, 'button', ['otherDir', '']);
 | |
|           {
 | |
|             listener('click', () => ctx.onClick());
 | |
|             text(1, 'Click me');
 | |
|           }
 | |
|           elementEnd();
 | |
|         }
 | |
|         if (rf & RenderFlags.Update) {
 | |
|           elementProperty(0, 'id', bind(ctx.id));
 | |
|         }
 | |
|       }, 2, 1, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       let counter = 0;
 | |
|       fixture.component.id = 1;
 | |
|       fixture.component.onClick = () => counter++;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<button otherdir="">Click me</button>`);
 | |
|       expect(otherDir !.id).toEqual(1);
 | |
| 
 | |
|       otherDir !.clickStream.next();
 | |
|       expect(counter).toEqual(1);
 | |
| 
 | |
|       fixture.component.id = 2;
 | |
|       fixture.update();
 | |
|       fixture.html;
 | |
|       expect(otherDir !.id).toEqual(2);
 | |
|     });
 | |
| 
 | |
|     it('should support unrelated element properties at same index in if-else block', () => {
 | |
|       /**
 | |
|        * <button idDir [id]="id1">Click me</button>             // inputs: {'id': [0, 'idNumber']}
 | |
|        * % if (condition) {
 | |
|        *   <button [id]="id2">Click me too</button>             // inputs: null
 | |
|        * % } else {
 | |
|        *   <button otherDir [id]="id3">Click me too</button>   // inputs: {'id': [0, 'id']}
 | |
|        * % }
 | |
|        */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           elementStart(0, 'button', ['idDir', '']);
 | |
|           { text(1, 'Click me'); }
 | |
|           elementEnd();
 | |
|           container(2);
 | |
|         }
 | |
|         if (rf & RenderFlags.Update) {
 | |
|           elementProperty(0, 'id', bind(ctx.id1));
 | |
|           containerRefreshStart(2);
 | |
|           {
 | |
|             if (ctx.condition) {
 | |
|               let rf0 = embeddedViewStart(0, 2, 1);
 | |
|               if (rf0 & RenderFlags.Create) {
 | |
|                 elementStart(0, 'button');
 | |
|                 { text(1, 'Click me too'); }
 | |
|                 elementEnd();
 | |
|               }
 | |
|               if (rf0 & RenderFlags.Update) {
 | |
|                 elementProperty(0, 'id', bind(ctx.id2));
 | |
|               }
 | |
|               embeddedViewEnd();
 | |
|             } else {
 | |
|               let rf1 = embeddedViewStart(1, 2, 1);
 | |
|               if (rf1 & RenderFlags.Create) {
 | |
|                 elementStart(0, 'button', ['otherDir', '']);
 | |
|                 { text(1, 'Click me too'); }
 | |
|                 elementEnd();
 | |
|               }
 | |
|               if (rf1 & RenderFlags.Update) {
 | |
|                 elementProperty(0, 'id', bind(ctx.id3));
 | |
|               }
 | |
|               embeddedViewEnd();
 | |
|             }
 | |
|           }
 | |
|           containerRefreshEnd();
 | |
|         }
 | |
|       }, 3, 1, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       fixture.component.condition = true;
 | |
|       fixture.component.id1 = 'one';
 | |
|       fixture.component.id2 = 'two';
 | |
|       fixture.component.id3 = 3;
 | |
|       fixture.update();
 | |
|       expect(fixture.html)
 | |
|           .toEqual(`<button iddir="">Click me</button><button id="two">Click me too</button>`);
 | |
|       expect(idDir !.idNumber).toEqual('one');
 | |
| 
 | |
|       fixture.component.condition = false;
 | |
|       fixture.component.id1 = 'four';
 | |
|       fixture.update();
 | |
|       expect(fixture.html)
 | |
|           .toEqual(`<button iddir="">Click me</button><button otherdir="">Click me too</button>`);
 | |
|       expect(idDir !.idNumber).toEqual('four');
 | |
|       expect(otherDir !.id).toEqual(3);
 | |
|     });
 | |
| 
 | |
|   });
 | |
| 
 | |
|   describe('attributes and input properties', () => {
 | |
|     let myDir: MyDir;
 | |
|     class MyDir {
 | |
|       // TODO(issue/24571): remove '!'.
 | |
|       role !: string;
 | |
|       // TODO(issue/24571): remove '!'.
 | |
|       direction !: string;
 | |
|       changeStream = new EventEmitter();
 | |
| 
 | |
|       static ngDirectiveDef = defineDirective({
 | |
|         type: MyDir,
 | |
|         selectors: [['', 'myDir', '']],
 | |
|         factory: () => myDir = new MyDir(),
 | |
|         inputs: {role: 'role', direction: 'dir'},
 | |
|         outputs: {changeStream: 'change'},
 | |
|         exportAs: 'myDir'
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     let dirB: MyDirB;
 | |
|     class MyDirB {
 | |
|       // TODO(issue/24571): remove '!'.
 | |
|       roleB !: string;
 | |
| 
 | |
|       static ngDirectiveDef = defineDirective({
 | |
|         type: MyDirB,
 | |
|         selectors: [['', 'myDirB', '']],
 | |
|         factory: () => dirB = new MyDirB(),
 | |
|         inputs: {roleB: 'role'}
 | |
|       });
 | |
|     }
 | |
| 
 | |
|     const deps = [MyDir, MyDirB];
 | |
| 
 | |
|     it('should set input property based on attribute if existing', () => {
 | |
| 
 | |
|       /** <div role="button" myDir></div> */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           element(0, 'div', ['role', 'button', 'myDir', '']);
 | |
|         }
 | |
|       }, 1, 0, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       expect(fixture.html).toEqual(`<div mydir="" role="button"></div>`);
 | |
|       expect(myDir !.role).toEqual('button');
 | |
|     });
 | |
| 
 | |
|     it('should set input property and attribute if both defined', () => {
 | |
| 
 | |
|       /** <div role="button" [role]="role" myDir></div> */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           element(0, 'div', ['role', 'button', 'myDir', '']);
 | |
|         }
 | |
|         if (rf & RenderFlags.Update) {
 | |
|           elementProperty(0, 'role', bind(ctx.role));
 | |
|         }
 | |
|       }, 1, 1, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       fixture.component.role = 'listbox';
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<div mydir="" role="button"></div>`);
 | |
|       expect(myDir !.role).toEqual('listbox');
 | |
| 
 | |
|       fixture.component.role = 'button';
 | |
|       fixture.update();
 | |
|       expect(myDir !.role).toEqual('button');
 | |
|     });
 | |
| 
 | |
|     it('should set two directive input properties based on same attribute', () => {
 | |
| 
 | |
|       /** <div role="button" myDir myDirB></div> */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           element(0, 'div', ['role', 'button', 'myDir', '', 'myDirB', '']);
 | |
|         }
 | |
|       }, 1, 0, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       expect(fixture.html).toEqual(`<div mydir="" mydirb="" role="button"></div>`);
 | |
|       expect(myDir !.role).toEqual('button');
 | |
|       expect(dirB !.roleB).toEqual('button');
 | |
|     });
 | |
| 
 | |
|     it('should process two attributes on same directive', () => {
 | |
| 
 | |
|       /** <div role="button" dir="rtl" myDir></div> */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           element(0, 'div', ['role', 'button', 'dir', 'rtl', 'myDir', '']);
 | |
|         }
 | |
|       }, 1, 0, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       expect(fixture.html).toEqual(`<div dir="rtl" mydir="" role="button"></div>`);
 | |
|       expect(myDir !.role).toEqual('button');
 | |
|       expect(myDir !.direction).toEqual('rtl');
 | |
|     });
 | |
| 
 | |
|     it('should process attributes and outputs properly together', () => {
 | |
| 
 | |
|       /** <div role="button" (change)="onChange()" myDir></div> */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           elementStart(0, 'div', ['role', 'button', 'myDir', '']);
 | |
|           { listener('change', () => ctx.onChange()); }
 | |
|           elementEnd();
 | |
|         }
 | |
|       }, 1, 0, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       let counter = 0;
 | |
|       fixture.component.onChange = () => counter++;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<div mydir="" role="button"></div>`);
 | |
|       expect(myDir !.role).toEqual('button');
 | |
| 
 | |
|       myDir !.changeStream.next();
 | |
|       expect(counter).toEqual(1);
 | |
|     });
 | |
| 
 | |
|     it('should process attributes properly for directives with later indices', () => {
 | |
| 
 | |
|       /**
 | |
|        * <div role="button" dir="rtl" myDir></div>
 | |
|        * <div role="listbox" myDirB></div>
 | |
|        */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           element(0, 'div', ['role', 'button', 'dir', 'rtl', 'myDir', '']);
 | |
|           element(1, 'div', ['role', 'listbox', 'myDirB', '']);
 | |
|         }
 | |
|       }, 2, 0, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       expect(fixture.html)
 | |
|           .toEqual(
 | |
|               `<div dir="rtl" mydir="" role="button"></div><div mydirb="" role="listbox"></div>`);
 | |
|       expect(myDir !.role).toEqual('button');
 | |
|       expect(myDir !.direction).toEqual('rtl');
 | |
|       expect(dirB !.roleB).toEqual('listbox');
 | |
|     });
 | |
| 
 | |
|     it('should support attributes at same index inside an if-else block', () => {
 | |
|       /**
 | |
|        * <div role="listbox" myDir></div>          // initialInputs: [['role', 'listbox']]
 | |
|        *
 | |
|        * % if (condition) {
 | |
|        *   <div role="button" myDirB></div>       // initialInputs: [['role', 'button']]
 | |
|        * % } else {
 | |
|        *   <div role="menu"></div>               // initialInputs: [null]
 | |
|        * % }
 | |
|        */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           element(0, 'div', ['role', 'listbox', 'myDir', '']);
 | |
|           container(1);
 | |
|         }
 | |
|         if (rf & RenderFlags.Update) {
 | |
|           containerRefreshStart(1);
 | |
|           {
 | |
|             if (ctx.condition) {
 | |
|               let rf1 = embeddedViewStart(0, 1, 0);
 | |
|               if (rf1 & RenderFlags.Create) {
 | |
|                 element(0, 'div', ['role', 'button', 'myDirB', '']);
 | |
|               }
 | |
|               embeddedViewEnd();
 | |
|             } else {
 | |
|               let rf2 = embeddedViewStart(1, 1, 0);
 | |
|               if (rf2 & RenderFlags.Create) {
 | |
|                 element(0, 'div', ['role', 'menu']);
 | |
|               }
 | |
|               embeddedViewEnd();
 | |
|             }
 | |
|           }
 | |
|           containerRefreshEnd();
 | |
|         }
 | |
|       }, 2, 0, deps);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       fixture.component.condition = true;
 | |
|       fixture.update();
 | |
|       expect(fixture.html)
 | |
|           .toEqual(`<div mydir="" role="listbox"></div><div mydirb="" role="button"></div>`);
 | |
|       expect(myDir !.role).toEqual('listbox');
 | |
|       expect(dirB !.roleB).toEqual('button');
 | |
|       expect((dirB !as any).role).toBeUndefined();
 | |
| 
 | |
|       fixture.component.condition = false;
 | |
|       fixture.update();
 | |
|       expect(fixture.html).toEqual(`<div mydir="" role="listbox"></div><div role="menu"></div>`);
 | |
|       expect(myDir !.role).toEqual('listbox');
 | |
|     });
 | |
| 
 | |
|     it('should process attributes properly inside a for loop', () => {
 | |
| 
 | |
|       class Comp {
 | |
|         static ngComponentDef = defineComponent({
 | |
|           type: Comp,
 | |
|           selectors: [['comp']],
 | |
|           consts: 3,
 | |
|           vars: 1,
 | |
|           /** <div role="button" dir #dir="myDir"></div> {{ dir.role }} */
 | |
|           template: function(rf: RenderFlags, ctx: any) {
 | |
|             if (rf & RenderFlags.Create) {
 | |
|               element(0, 'div', ['role', 'button', 'myDir', ''], ['dir', 'myDir']);
 | |
|               text(2);
 | |
|             }
 | |
|             if (rf & RenderFlags.Update) {
 | |
|               const tmp = reference(1) as any;
 | |
|               textBinding(2, bind(tmp.role));
 | |
|             }
 | |
|           },
 | |
|           factory: () => new Comp(),
 | |
|           directives: () => [MyDir]
 | |
|         });
 | |
|       }
 | |
| 
 | |
|       /**
 | |
|        * % for (let i = 0; i < 3; i++) {
 | |
|        *     <comp></comp>
 | |
|        * % }
 | |
|        */
 | |
|       const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
 | |
|         if (rf & RenderFlags.Create) {
 | |
|           container(0);
 | |
|         }
 | |
|         if (rf & RenderFlags.Update) {
 | |
|           containerRefreshStart(0);
 | |
|           {
 | |
|             for (let i = 0; i < 2; i++) {
 | |
|               let rf1 = embeddedViewStart(0, 1, 0);
 | |
|               if (rf1 & RenderFlags.Create) {
 | |
|                 element(0, 'comp');
 | |
|               }
 | |
|               embeddedViewEnd();
 | |
|             }
 | |
|           }
 | |
|           containerRefreshEnd();
 | |
|         }
 | |
|       }, 1, 0, [Comp]);
 | |
| 
 | |
|       const fixture = new ComponentFixture(App);
 | |
|       expect(fixture.html)
 | |
|           .toEqual(
 | |
|               `<comp><div mydir="" role="button"></div>button</comp><comp><div mydir="" role="button"></div>button</comp>`);
 | |
|     });
 | |
| 
 | |
|   });
 | |
| 
 | |
| });
 |