Remove `containerRefreshStart` and `containerRefreshEnd` instruction from the output. Generate directives as a list in `componentDef` rather than inline into instructions. This is consistent in making selector resolution runtime so that translation of templates can follow locality. PR Close #22921
		
			
				
	
	
		
			790 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			790 lines
		
	
	
		
			25 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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import {defineComponent, defineDirective} from '../../src/render3/index';
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import {NO_CHANGE, bind, container, containerRefreshEnd, containerRefreshStart, elementAttribute, elementClassNamed, elementEnd, elementProperty, elementStart, elementStyleNamed, embeddedViewEnd, embeddedViewStart, interpolation1, interpolation2, interpolation3, interpolation4, interpolation5, interpolation6, interpolation7, interpolation8, interpolationV, load, loadDirective, projection, projectionDef, text, textBinding} from '../../src/render3/instructions';
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import {ComponentFixture, containerEl, renderToHtml} from './render_util';
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describe('render3 integration test', () => {
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  describe('render', () => {
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    it('should render basic template', () => {
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      expect(renderToHtml(Template, {})).toEqual('<span title="Hello">Greetings</span>');
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      function Template(ctx: any, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'span', ['title', 'Hello']);
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          { text(1, 'Greetings'); }
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          elementEnd();
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        }
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      }
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    });
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    it('should render and update basic "Hello, World" template', () => {
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      expect(renderToHtml(Template, 'World')).toEqual('<h1>Hello, World!</h1>');
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      expect(renderToHtml(Template, 'New World')).toEqual('<h1>Hello, New World!</h1>');
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      function Template(name: string, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'h1');
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          { text(1); }
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          elementEnd();
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        }
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        textBinding(1, interpolation1('Hello, ', name, '!'));
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      }
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    });
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  });
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  describe('text bindings', () => {
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    it('should render "undefined" as "" when used with `bind()`', () => {
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      function Template(name: string, cm: boolean) {
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        if (cm) {
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          text(0);
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        }
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        textBinding(0, bind(name));
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      }
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      expect(renderToHtml(Template, 'benoit')).toEqual('benoit');
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      expect(renderToHtml(Template, undefined)).toEqual('');
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    });
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    it('should render "null" as "" when used with `bind()`', () => {
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      function Template(name: string, cm: boolean) {
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        if (cm) {
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          text(0);
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        }
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        textBinding(0, bind(name));
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      }
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      expect(renderToHtml(Template, 'benoit')).toEqual('benoit');
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      expect(renderToHtml(Template, null)).toEqual('');
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    });
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    it('should support creation-time values in text nodes', () => {
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      function Template(value: string, cm: boolean) {
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        if (cm) {
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          text(0);
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        }
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        textBinding(0, cm ? value : NO_CHANGE);
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      }
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      expect(renderToHtml(Template, 'once')).toEqual('once');
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      expect(renderToHtml(Template, 'twice')).toEqual('once');
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    });
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  });
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  describe('Siblings update', () => {
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    it('should handle a flat list of static/bound text nodes', () => {
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      function Template(name: string, cm: boolean) {
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        if (cm) {
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          text(0, 'Hello ');
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          text(1);
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          text(2, '!');
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        }
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        textBinding(1, bind(name));
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      }
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      expect(renderToHtml(Template, 'world')).toEqual('Hello world!');
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      expect(renderToHtml(Template, 'monde')).toEqual('Hello monde!');
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    });
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    it('should handle a list of static/bound text nodes as element children', () => {
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      function Template(name: string, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'b');
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          {
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            text(1, 'Hello ');
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            text(2);
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            text(3, '!');
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          }
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          elementEnd();
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        }
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        textBinding(2, bind(name));
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      }
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      expect(renderToHtml(Template, 'world')).toEqual('<b>Hello world!</b>');
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      expect(renderToHtml(Template, 'mundo')).toEqual('<b>Hello mundo!</b>');
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    });
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    it('should render/update text node as a child of a deep list of elements', () => {
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      function Template(name: string, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'b');
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          {
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            elementStart(1, 'b');
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            {
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              elementStart(2, 'b');
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              {
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                elementStart(3, 'b');
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                { text(4); }
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                elementEnd();
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              }
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              elementEnd();
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            }
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            elementEnd();
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          }
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          elementEnd();
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        }
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        textBinding(4, interpolation1('Hello ', name, '!'));
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      }
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      expect(renderToHtml(Template, 'world')).toEqual('<b><b><b><b>Hello world!</b></b></b></b>');
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      expect(renderToHtml(Template, 'mundo')).toEqual('<b><b><b><b>Hello mundo!</b></b></b></b>');
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    });
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    it('should update 2 sibling elements', () => {
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      function Template(id: any, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'b');
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          {
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            elementStart(1, 'span');
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            elementEnd();
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            elementStart(2, 'span', ['class', 'foo']);
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            {}
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            elementEnd();
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          }
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          elementEnd();
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        }
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        elementAttribute(2, 'id', bind(id));
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      }
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      expect(renderToHtml(Template, 'foo'))
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          .toEqual('<b><span></span><span class="foo" id="foo"></span></b>');
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      expect(renderToHtml(Template, 'bar'))
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          .toEqual('<b><span></span><span class="foo" id="bar"></span></b>');
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    });
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    it('should handle sibling text node after element with child text node', () => {
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      function Template(ctx: any, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'p');
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          { text(1, 'hello'); }
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          elementEnd();
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          text(2, 'world');
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        }
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      }
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      expect(renderToHtml(Template, null)).toEqual('<p>hello</p>world');
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    });
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  });
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  describe('basic components', () => {
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    class TodoComponent {
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      value = ' one';
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      static ngComponentDef = defineComponent({
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        type: TodoComponent,
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        selectors: [['todo']],
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        template: function TodoTemplate(ctx: any, cm: boolean) {
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          if (cm) {
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            elementStart(0, 'p');
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            {
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              text(1, 'Todo');
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              text(2);
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            }
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            elementEnd();
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          }
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          textBinding(2, bind(ctx.value));
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        },
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        factory: () => new TodoComponent
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      });
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    }
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    const defs = [TodoComponent];
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    it('should support a basic component template', () => {
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      function Template(ctx: any, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'todo');
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          elementEnd();
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        }
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      }
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      expect(renderToHtml(Template, null, defs)).toEqual('<todo><p>Todo one</p></todo>');
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    });
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    it('should support a component template with sibling', () => {
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      function Template(ctx: any, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'todo');
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          elementEnd();
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          text(1, 'two');
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        }
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      }
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      expect(renderToHtml(Template, null, defs)).toEqual('<todo><p>Todo one</p></todo>two');
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    });
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    it('should support a component template with component sibling', () => {
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      /**
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       * <todo></todo>
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       * <todo></todo>
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       */
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      function Template(ctx: any, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'todo');
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          elementEnd();
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          elementStart(1, 'todo');
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          elementEnd();
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        }
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      }
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      expect(renderToHtml(Template, null, defs))
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          .toEqual('<todo><p>Todo one</p></todo><todo><p>Todo one</p></todo>');
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    });
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    it('should support a component with binding on host element', () => {
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      let cmptInstance: TodoComponentHostBinding|null;
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      class TodoComponentHostBinding {
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        title = 'one';
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        static ngComponentDef = defineComponent({
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          type: TodoComponentHostBinding,
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          selectors: [['todo']],
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          template: function TodoComponentHostBindingTemplate(
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              ctx: TodoComponentHostBinding, cm: boolean) {
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            if (cm) {
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              text(0);
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            }
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            textBinding(0, bind(ctx.title));
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          },
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          factory: () => cmptInstance = new TodoComponentHostBinding,
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          hostBindings: function(directiveIndex: number, elementIndex: number): void {
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            // host bindings
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            elementProperty(
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                elementIndex, 'title',
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                bind(loadDirective<TodoComponentHostBinding>(directiveIndex).title));
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          }
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        });
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      }
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      function Template(ctx: any, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'todo');
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          elementEnd();
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        }
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      }
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      const defs = [TodoComponentHostBinding];
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      expect(renderToHtml(Template, {}, defs)).toEqual('<todo title="one">one</todo>');
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      cmptInstance !.title = 'two';
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      expect(renderToHtml(Template, {}, defs)).toEqual('<todo title="two">two</todo>');
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    });
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    it('should support root component with host attribute', () => {
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      class HostAttributeComp {
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        static ngComponentDef = defineComponent({
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          type: HostAttributeComp,
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          selectors: [['host-attr-comp']],
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          factory: () => new HostAttributeComp(),
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          template: (ctx: HostAttributeComp, cm: boolean) => {},
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          attributes: ['role', 'button']
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        });
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      }
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      const fixture = new ComponentFixture(HostAttributeComp);
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      expect(fixture.hostElement.getAttribute('role')).toEqual('button');
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    });
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    it('should support component with bindings in template', () => {
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      /** <p> {{ name }} </p>*/
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      class MyComp {
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        name = 'Bess';
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        static ngComponentDef = defineComponent({
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          type: MyComp,
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          selectors: [['comp']],
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          template: function MyCompTemplate(ctx: any, cm: boolean) {
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            if (cm) {
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              elementStart(0, 'p');
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              { text(1); }
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              elementEnd();
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            }
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            textBinding(1, bind(ctx.name));
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          },
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          factory: () => new MyComp
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        });
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      }
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      function Template(ctx: any, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'comp');
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          elementEnd();
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        }
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      }
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      expect(renderToHtml(Template, null, [MyComp])).toEqual('<comp><p>Bess</p></comp>');
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    });
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    it('should support a component with sub-views', () => {
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      /**
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       * % if (condition) {
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       *   <div>text</div>
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       * % }
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       */
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      class MyComp {
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        condition: boolean;
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        static ngComponentDef = defineComponent({
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          type: MyComp,
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          selectors: [['comp']],
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          template: function MyCompTemplate(ctx: any, cm: boolean) {
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            if (cm) {
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              container(0);
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            }
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            containerRefreshStart(0);
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            {
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              if (ctx.condition) {
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                if (embeddedViewStart(0)) {
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                  elementStart(0, 'div');
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                  { text(1, 'text'); }
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                  elementEnd();
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                }
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                embeddedViewEnd();
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              }
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            }
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            containerRefreshEnd();
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          },
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          factory: () => new MyComp,
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          inputs: {condition: 'condition'}
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        });
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      }
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      /** <comp [condition]="condition"></comp> */
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      function Template(ctx: any, cm: boolean) {
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        if (cm) {
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          elementStart(0, 'comp');
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          elementEnd();
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        }
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        elementProperty(0, 'condition', bind(ctx.condition));
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      }
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      const defs = [MyComp];
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      expect(renderToHtml(Template, {condition: true}, defs))
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          .toEqual('<comp><div>text</div></comp>');
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      expect(renderToHtml(Template, {condition: false}, defs)).toEqual('<comp></comp>');
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    });
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  });
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  describe('tree', () => {
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    interface Tree {
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      beforeLabel?: string;
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      subTrees?: Tree[];
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      afterLabel?: string;
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    }
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    interface ParentCtx {
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      beforeTree: Tree;
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      projectedTree: Tree;
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      afterTree: Tree;
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    }
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    function showLabel(ctx: {label: string | undefined}, cm: boolean) {
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      if (cm) {
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        container(0);
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      }
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      containerRefreshStart(0);
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      {
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        if (ctx.label != null) {
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          if (embeddedViewStart(0)) {
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            text(0);
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          }
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          textBinding(0, bind(ctx.label));
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						|
          embeddedViewEnd();
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        }
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      }
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      containerRefreshEnd();
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    }
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    function showTree(ctx: {tree: Tree}, cm: boolean) {
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      if (cm) {
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        container(0);
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        container(1);
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        container(2);
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						|
      }
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      containerRefreshStart(0);
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      {
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        const cm0 = embeddedViewStart(0);
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        { showLabel({label: ctx.tree.beforeLabel}, cm0); }
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        embeddedViewEnd();
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      }
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						|
      containerRefreshEnd();
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      containerRefreshStart(1);
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      {
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						|
        for (let subTree of ctx.tree.subTrees || []) {
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          const cm0 = embeddedViewStart(0);
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          { showTree({tree: subTree}, cm0); }
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						|
          embeddedViewEnd();
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        }
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      }
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      containerRefreshEnd();
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						|
      containerRefreshStart(2);
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      {
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						|
        const cm0 = embeddedViewStart(0);
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						|
        { showLabel({label: ctx.tree.afterLabel}, cm0); }
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						|
        embeddedViewEnd();
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						|
      }
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						|
      containerRefreshEnd();
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						|
    }
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    class ChildComponent {
 | 
						|
      beforeTree: Tree;
 | 
						|
      afterTree: Tree;
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						|
      static ngComponentDef = defineComponent({
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						|
        selectors: [['child']],
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						|
        type: ChildComponent,
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						|
        template: function ChildComponentTemplate(
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            ctx: {beforeTree: Tree, afterTree: Tree}, cm: boolean) {
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						|
          if (cm) {
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						|
            projectionDef(0);
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						|
            container(1);
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						|
            projection(2, 0);
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						|
            container(3);
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						|
          }
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						|
          containerRefreshStart(1);
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						|
          {
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            const cm0 = embeddedViewStart(0);
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            { showTree({tree: ctx.beforeTree}, cm0); }
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						|
            embeddedViewEnd();
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						|
          }
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						|
          containerRefreshEnd();
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						|
          containerRefreshStart(3);
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          {
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            const cm0 = embeddedViewStart(0);
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            { showTree({tree: ctx.afterTree}, cm0); }
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						|
            embeddedViewEnd();
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						|
          }
 | 
						|
          containerRefreshEnd();
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						|
        },
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        factory: () => new ChildComponent,
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						|
        inputs: {beforeTree: 'beforeTree', afterTree: 'afterTree'}
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      });
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    }
 | 
						|
 | 
						|
    function parentTemplate(ctx: ParentCtx, cm: boolean) {
 | 
						|
      if (cm) {
 | 
						|
        elementStart(0, 'child');
 | 
						|
        { container(1); }
 | 
						|
        elementEnd();
 | 
						|
      }
 | 
						|
      elementProperty(0, 'beforeTree', bind(ctx.beforeTree));
 | 
						|
      elementProperty(0, 'afterTree', bind(ctx.afterTree));
 | 
						|
      containerRefreshStart(1);
 | 
						|
      {
 | 
						|
        const cm0 = embeddedViewStart(0);
 | 
						|
        { showTree({tree: ctx.projectedTree}, cm0); }
 | 
						|
        embeddedViewEnd();
 | 
						|
      }
 | 
						|
      containerRefreshEnd();
 | 
						|
    }
 | 
						|
 | 
						|
    it('should work with a tree', () => {
 | 
						|
 | 
						|
      const ctx: ParentCtx = {
 | 
						|
        beforeTree: {subTrees: [{beforeLabel: 'a'}]},
 | 
						|
        projectedTree: {beforeLabel: 'p'},
 | 
						|
        afterTree: {afterLabel: 'z'}
 | 
						|
      };
 | 
						|
      const defs = [ChildComponent];
 | 
						|
      expect(renderToHtml(parentTemplate, ctx, defs)).toEqual('<child>apz</child>');
 | 
						|
      ctx.projectedTree = {subTrees: [{}, {}, {subTrees: [{}, {}]}, {}]};
 | 
						|
      ctx.beforeTree.subTrees !.push({afterLabel: 'b'});
 | 
						|
      expect(renderToHtml(parentTemplate, ctx, defs)).toEqual('<child>abz</child>');
 | 
						|
      ctx.projectedTree.subTrees ![1].afterLabel = 'h';
 | 
						|
      expect(renderToHtml(parentTemplate, ctx, defs)).toEqual('<child>abhz</child>');
 | 
						|
      ctx.beforeTree.subTrees !.push({beforeLabel: 'c'});
 | 
						|
      expect(renderToHtml(parentTemplate, ctx, defs)).toEqual('<child>abchz</child>');
 | 
						|
 | 
						|
      // To check the context easily:
 | 
						|
      // console.log(JSON.stringify(ctx));
 | 
						|
    });
 | 
						|
 | 
						|
  });
 | 
						|
 | 
						|
  describe('element bindings', () => {
 | 
						|
 | 
						|
    describe('elementAttribute', () => {
 | 
						|
      it('should support attribute bindings', () => {
 | 
						|
        const ctx: {title: string | null} = {title: 'Hello'};
 | 
						|
 | 
						|
        function Template(ctx: any, cm: boolean) {
 | 
						|
          if (cm) {
 | 
						|
            elementStart(0, 'span');
 | 
						|
            elementEnd();
 | 
						|
          }
 | 
						|
          elementAttribute(0, 'title', bind(ctx.title));
 | 
						|
        }
 | 
						|
 | 
						|
        // initial binding
 | 
						|
        expect(renderToHtml(Template, ctx)).toEqual('<span title="Hello"></span>');
 | 
						|
 | 
						|
        // update binding
 | 
						|
        ctx.title = 'Hi!';
 | 
						|
        expect(renderToHtml(Template, ctx)).toEqual('<span title="Hi!"></span>');
 | 
						|
 | 
						|
        // remove attribute
 | 
						|
        ctx.title = null;
 | 
						|
        expect(renderToHtml(Template, ctx)).toEqual('<span></span>');
 | 
						|
      });
 | 
						|
 | 
						|
      it('should stringify values used attribute bindings', () => {
 | 
						|
        const ctx: {title: any} = {title: NaN};
 | 
						|
 | 
						|
        function Template(ctx: any, cm: boolean) {
 | 
						|
          if (cm) {
 | 
						|
            elementStart(0, 'span');
 | 
						|
            elementEnd();
 | 
						|
          }
 | 
						|
          elementAttribute(0, 'title', bind(ctx.title));
 | 
						|
        }
 | 
						|
 | 
						|
        expect(renderToHtml(Template, ctx)).toEqual('<span title="NaN"></span>');
 | 
						|
 | 
						|
        ctx.title = {toString: () => 'Custom toString'};
 | 
						|
        expect(renderToHtml(Template, ctx)).toEqual('<span title="Custom toString"></span>');
 | 
						|
      });
 | 
						|
 | 
						|
      it('should update bindings', () => {
 | 
						|
        function Template(c: any, cm: boolean) {
 | 
						|
          if (cm) {
 | 
						|
            elementStart(0, 'b');
 | 
						|
            elementEnd();
 | 
						|
          }
 | 
						|
          elementAttribute(0, 'a', interpolationV(c));
 | 
						|
          elementAttribute(0, 'a0', bind(c[1]));
 | 
						|
          elementAttribute(0, 'a1', interpolation1(c[0], c[1], c[16]));
 | 
						|
          elementAttribute(0, 'a2', interpolation2(c[0], c[1], c[2], c[3], c[16]));
 | 
						|
          elementAttribute(0, 'a3', interpolation3(c[0], c[1], c[2], c[3], c[4], c[5], c[16]));
 | 
						|
          elementAttribute(
 | 
						|
              0, 'a4', interpolation4(c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], c[16]));
 | 
						|
          elementAttribute(
 | 
						|
              0, 'a5',
 | 
						|
              interpolation5(c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], c[8], c[9], c[16]));
 | 
						|
          elementAttribute(
 | 
						|
              0, 'a6',
 | 
						|
              interpolation6(
 | 
						|
                  c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], c[8], c[9], c[10], c[11], c[16]));
 | 
						|
          elementAttribute(
 | 
						|
              0, 'a7', interpolation7(
 | 
						|
                           c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], c[8], c[9], c[10], c[11],
 | 
						|
                           c[12], c[13], c[16]));
 | 
						|
          elementAttribute(
 | 
						|
              0, 'a8', interpolation8(
 | 
						|
                           c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], c[8], c[9], c[10], c[11],
 | 
						|
                           c[12], c[13], c[14], c[15], c[16]));
 | 
						|
        }
 | 
						|
        let args = ['(', 0, 'a', 1, 'b', 2, 'c', 3, 'd', 4, 'e', 5, 'f', 6, 'g', 7, ')'];
 | 
						|
        expect(renderToHtml(Template, args))
 | 
						|
            .toEqual(
 | 
						|
                '<b a="(0a1b2c3d4e5f6g7)" a0="0" a1="(0)" a2="(0a1)" a3="(0a1b2)" a4="(0a1b2c3)" a5="(0a1b2c3d4)" a6="(0a1b2c3d4e5)" a7="(0a1b2c3d4e5f6)" a8="(0a1b2c3d4e5f6g7)"></b>');
 | 
						|
        args = args.reverse();
 | 
						|
        expect(renderToHtml(Template, args))
 | 
						|
            .toEqual(
 | 
						|
                '<b a=")7g6f5e4d3c2b1a0(" a0="7" a1=")7(" a2=")7g6(" a3=")7g6f5(" a4=")7g6f5e4(" a5=")7g6f5e4d3(" a6=")7g6f5e4d3c2(" a7=")7g6f5e4d3c2b1(" a8=")7g6f5e4d3c2b1a0("></b>');
 | 
						|
        args = args.reverse();
 | 
						|
        expect(renderToHtml(Template, args))
 | 
						|
            .toEqual(
 | 
						|
                '<b a="(0a1b2c3d4e5f6g7)" a0="0" a1="(0)" a2="(0a1)" a3="(0a1b2)" a4="(0a1b2c3)" a5="(0a1b2c3d4)" a6="(0a1b2c3d4e5)" a7="(0a1b2c3d4e5f6)" a8="(0a1b2c3d4e5f6g7)"></b>');
 | 
						|
      });
 | 
						|
 | 
						|
      it('should not update DOM if context has not changed', () => {
 | 
						|
        const ctx: {title: string | null} = {title: 'Hello'};
 | 
						|
 | 
						|
        function Template(ctx: any, cm: boolean) {
 | 
						|
          if (cm) {
 | 
						|
            elementStart(0, 'span');
 | 
						|
            container(1);
 | 
						|
            elementEnd();
 | 
						|
          }
 | 
						|
          elementAttribute(0, 'title', bind(ctx.title));
 | 
						|
          containerRefreshStart(1);
 | 
						|
          {
 | 
						|
            if (true) {
 | 
						|
              let cm1 = embeddedViewStart(1);
 | 
						|
              {
 | 
						|
                if (cm1) {
 | 
						|
                  elementStart(0, 'b');
 | 
						|
                  {}
 | 
						|
                  elementEnd();
 | 
						|
                }
 | 
						|
                elementAttribute(0, 'title', bind(ctx.title));
 | 
						|
              }
 | 
						|
              embeddedViewEnd();
 | 
						|
            }
 | 
						|
          }
 | 
						|
          containerRefreshEnd();
 | 
						|
        }
 | 
						|
 | 
						|
        // initial binding
 | 
						|
        expect(renderToHtml(Template, ctx))
 | 
						|
            .toEqual('<span title="Hello"><b title="Hello"></b></span>');
 | 
						|
        // update DOM manually
 | 
						|
        containerEl.querySelector('b') !.setAttribute('title', 'Goodbye');
 | 
						|
        // refresh with same binding
 | 
						|
        expect(renderToHtml(Template, ctx))
 | 
						|
            .toEqual('<span title="Hello"><b title="Goodbye"></b></span>');
 | 
						|
        // refresh again with same binding
 | 
						|
        expect(renderToHtml(Template, ctx))
 | 
						|
            .toEqual('<span title="Hello"><b title="Goodbye"></b></span>');
 | 
						|
      });
 | 
						|
 | 
						|
      it('should support host attribute bindings', () => {
 | 
						|
        let hostBindingDir: HostBindingDir;
 | 
						|
 | 
						|
        class HostBindingDir {
 | 
						|
          /* @HostBinding('attr.aria-label') */
 | 
						|
          label = 'some label';
 | 
						|
 | 
						|
          static ngDirectiveDef = defineDirective({
 | 
						|
            type: HostBindingDir,
 | 
						|
            selectors: [['', 'hostBindingDir', '']],
 | 
						|
            factory: function HostBindingDir_Factory() {
 | 
						|
              return hostBindingDir = new HostBindingDir();
 | 
						|
            },
 | 
						|
            hostBindings: function HostBindingDir_HostBindings(dirIndex: number, elIndex: number) {
 | 
						|
              elementAttribute(
 | 
						|
                  elIndex, 'aria-label', bind(loadDirective<HostBindingDir>(dirIndex).label));
 | 
						|
            }
 | 
						|
          });
 | 
						|
        }
 | 
						|
 | 
						|
        function Template(ctx: any, cm: boolean) {
 | 
						|
          if (cm) {
 | 
						|
            elementStart(0, 'div', ['hostBindingDir', '']);
 | 
						|
            elementEnd();
 | 
						|
          }
 | 
						|
        }
 | 
						|
 | 
						|
        const defs = [HostBindingDir];
 | 
						|
        expect(renderToHtml(Template, {}, defs))
 | 
						|
            .toEqual(`<div aria-label="some label" hostbindingdir=""></div>`);
 | 
						|
 | 
						|
        hostBindingDir !.label = 'other label';
 | 
						|
        expect(renderToHtml(Template, {}, defs))
 | 
						|
            .toEqual(`<div aria-label="other label" hostbindingdir=""></div>`);
 | 
						|
      });
 | 
						|
    });
 | 
						|
 | 
						|
    describe('elementStyle', () => {
 | 
						|
 | 
						|
      it('should support binding to styles', () => {
 | 
						|
        function Template(ctx: any, cm: boolean) {
 | 
						|
          if (cm) {
 | 
						|
            elementStart(0, 'span');
 | 
						|
            elementEnd();
 | 
						|
          }
 | 
						|
          elementStyleNamed(0, 'border-color', bind(ctx));
 | 
						|
        }
 | 
						|
 | 
						|
        expect(renderToHtml(Template, 'red')).toEqual('<span style="border-color: red;"></span>');
 | 
						|
        expect(renderToHtml(Template, 'green'))
 | 
						|
            .toEqual('<span style="border-color: green;"></span>');
 | 
						|
        expect(renderToHtml(Template, null)).toEqual('<span></span>');
 | 
						|
      });
 | 
						|
 | 
						|
      it('should support binding to styles with suffix', () => {
 | 
						|
        function Template(ctx: any, cm: boolean) {
 | 
						|
          if (cm) {
 | 
						|
            elementStart(0, 'span');
 | 
						|
            elementEnd();
 | 
						|
          }
 | 
						|
          elementStyleNamed(0, 'font-size', bind(ctx), 'px');
 | 
						|
        }
 | 
						|
 | 
						|
        expect(renderToHtml(Template, '100')).toEqual('<span style="font-size: 100px;"></span>');
 | 
						|
        expect(renderToHtml(Template, 200)).toEqual('<span style="font-size: 200px;"></span>');
 | 
						|
        expect(renderToHtml(Template, null)).toEqual('<span></span>');
 | 
						|
      });
 | 
						|
    });
 | 
						|
 | 
						|
    describe('elementClass', () => {
 | 
						|
 | 
						|
      it('should support CSS class toggle', () => {
 | 
						|
        function Template(ctx: any, cm: boolean) {
 | 
						|
          if (cm) {
 | 
						|
            elementStart(0, 'span');
 | 
						|
            elementEnd();
 | 
						|
          }
 | 
						|
          elementClassNamed(0, 'active', bind(ctx));
 | 
						|
        }
 | 
						|
 | 
						|
        expect(renderToHtml(Template, true)).toEqual('<span class="active"></span>');
 | 
						|
        expect(renderToHtml(Template, false)).toEqual('<span class=""></span>');
 | 
						|
 | 
						|
        // truthy values
 | 
						|
        expect(renderToHtml(Template, 'a_string')).toEqual('<span class="active"></span>');
 | 
						|
        expect(renderToHtml(Template, 10)).toEqual('<span class="active"></span>');
 | 
						|
 | 
						|
        // falsy values
 | 
						|
        expect(renderToHtml(Template, '')).toEqual('<span class=""></span>');
 | 
						|
        expect(renderToHtml(Template, 0)).toEqual('<span class=""></span>');
 | 
						|
      });
 | 
						|
 | 
						|
      it('should work correctly with existing static classes', () => {
 | 
						|
        function Template(ctx: any, cm: boolean) {
 | 
						|
          if (cm) {
 | 
						|
            elementStart(0, 'span', ['class', 'existing']);
 | 
						|
            elementEnd();
 | 
						|
          }
 | 
						|
          elementClassNamed(0, 'active', bind(ctx));
 | 
						|
        }
 | 
						|
 | 
						|
        expect(renderToHtml(Template, true)).toEqual('<span class="existing active"></span>');
 | 
						|
        expect(renderToHtml(Template, false)).toEqual('<span class="existing"></span>');
 | 
						|
      });
 | 
						|
    });
 | 
						|
  });
 | 
						|
 | 
						|
  describe('template data', () => {
 | 
						|
 | 
						|
    it('should re-use template data and node data', () => {
 | 
						|
      /**
 | 
						|
       *  % if (condition) {
 | 
						|
       *    <div></div>
 | 
						|
       *  % }
 | 
						|
       */
 | 
						|
      function Template(ctx: any, cm: boolean) {
 | 
						|
        if (cm) {
 | 
						|
          container(0);
 | 
						|
        }
 | 
						|
        containerRefreshStart(0);
 | 
						|
        {
 | 
						|
          if (ctx.condition) {
 | 
						|
            if (embeddedViewStart(0)) {
 | 
						|
              elementStart(0, 'div');
 | 
						|
              {}
 | 
						|
              elementEnd();
 | 
						|
            }
 | 
						|
            embeddedViewEnd();
 | 
						|
          }
 | 
						|
        }
 | 
						|
        containerRefreshEnd();
 | 
						|
      }
 | 
						|
 | 
						|
      expect((Template as any).ngPrivateData).toBeUndefined();
 | 
						|
 | 
						|
      renderToHtml(Template, {condition: true});
 | 
						|
 | 
						|
      const oldTemplateData = (Template as any).ngPrivateData;
 | 
						|
      const oldContainerData = (oldTemplateData as any).data[0];
 | 
						|
      const oldElementData = oldContainerData.data[0][0];
 | 
						|
      expect(oldContainerData).not.toBeNull();
 | 
						|
      expect(oldElementData).not.toBeNull();
 | 
						|
 | 
						|
      renderToHtml(Template, {condition: false});
 | 
						|
      renderToHtml(Template, {condition: true});
 | 
						|
 | 
						|
      const newTemplateData = (Template as any).ngPrivateData;
 | 
						|
      const newContainerData = (oldTemplateData as any).data[0];
 | 
						|
      const newElementData = oldContainerData.data[0][0];
 | 
						|
      expect(newTemplateData === oldTemplateData).toBe(true);
 | 
						|
      expect(newContainerData === oldContainerData).toBe(true);
 | 
						|
      expect(newElementData === oldElementData).toBe(true);
 | 
						|
    });
 | 
						|
 | 
						|
  });
 | 
						|
 | 
						|
});
 |