244 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			244 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import {describe, beforeEach, it, expect, iit, ddescribe, el} from 'angular2/test_lib';
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import {ListWrapper, List, MapWrapper} from 'angular2/src/facade/collection';
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import {DOM} from 'angular2/src/dom/dom_adapter';
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import {isPresent, NumberWrapper, StringWrapper, IMPLEMENTS} from 'angular2/src/facade/lang';
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import {CompilePipeline} from 'angular2/src/render/dom/compiler/compile_pipeline';
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import {CompileElement} from 'angular2/src/render/dom/compiler/compile_element';
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import {CompileStep} from 'angular2/src/render/dom/compiler/compile_step';
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import {CompileControl} from 'angular2/src/render/dom/compiler/compile_control';
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import {ProtoViewBuilder} from 'angular2/src/render/dom/view/proto_view_builder';
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import {ProtoViewDto} from 'angular2/src/render/api';
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export function main() {
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  describe('compile_pipeline', () => {
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    describe('children compilation', () => {
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      it('should walk the tree in depth first order including template contents', () => {
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        var element = el('<div id="1"><template id="2"><span id="3"></span></template></div>');
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        var step0Log = [];
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        var results = new CompilePipeline([createLoggerStep(step0Log)]).process(element);
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        expect(step0Log).toEqual(['1', '1<2', '2<3']);
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        expect(resultIdLog(results)).toEqual(['1', '2', '3']);
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      });
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      it('should stop walking the tree when compileChildren is false', () => {
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        var element = el(
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            '<div id="1"><template id="2" ignore-children><span id="3"></span></template></div>');
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        var step0Log = [];
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        var pipeline = new CompilePipeline([new IgnoreChildrenStep(), createLoggerStep(step0Log)]);
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        var results = pipeline.process(element);
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        expect(step0Log).toEqual(['1', '1<2']);
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        expect(resultIdLog(results)).toEqual(['1', '2']);
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      });
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    });
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    it('should inherit protoViewBuilders to children', () => {
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      var element = el('<div><div><span viewroot><span></span></span></div></div>');
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      var pipeline = new CompilePipeline([new MockStep((parent, current, control) => {
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        if (isPresent(DOM.getAttribute(current.element, 'viewroot'))) {
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          current.inheritedProtoView =
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              new ProtoViewBuilder(current.element, ProtoViewDto.EMBEDDED_VIEW_TYPE);
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        }
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      })]);
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      var results = pipeline.process(element);
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      expect(results[0].inheritedProtoView).toBe(results[1].inheritedProtoView);
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      expect(results[2].inheritedProtoView).toBe(results[3].inheritedProtoView);
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    });
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    it('should inherit elementBinderBuilders to children', () => {
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      var element = el('<div bind><div><span bind><span></span></span></div></div>');
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      var pipeline = new CompilePipeline([new MockStep((parent, current, control) => {
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        if (isPresent(DOM.getAttribute(current.element, 'bind'))) {
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          current.bindElement();
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        }
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      })]);
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      var results = pipeline.process(element);
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      expect(results[0].inheritedElementBinder).toBe(results[1].inheritedElementBinder);
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      expect(results[2].inheritedElementBinder).toBe(results[3].inheritedElementBinder);
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    });
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    it('should mark root elements as viewRoot', () => {
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      var rootElement = el('<div></div>');
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      var results = new CompilePipeline([]).process(rootElement);
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      expect(results[0].isViewRoot).toBe(true);
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    });
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    it('should calculate distanceToParent / parent correctly', () => {
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      var element = el('<div bind><div bind></div><div><div bind></div></div></div>');
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      var pipeline = new CompilePipeline([new MockStep((parent, current, control) => {
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        if (isPresent(DOM.getAttribute(current.element, 'bind'))) {
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          current.bindElement();
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        }
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      })]);
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      var results = pipeline.process(element);
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      expect(results[0].inheritedElementBinder.distanceToParent).toBe(0);
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      expect(results[1].inheritedElementBinder.distanceToParent).toBe(1);
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      expect(results[3].inheritedElementBinder.distanceToParent).toBe(2);
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      expect(results[1].inheritedElementBinder.parent).toBe(results[0].inheritedElementBinder);
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      expect(results[3].inheritedElementBinder.parent).toBe(results[0].inheritedElementBinder);
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    });
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    it('should not execute further steps when ignoreCurrentElement has been called', () => {
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      var element = el('<div id="1"><span id="2" ignore-current></span><span id="3"></span></div>');
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      var logs = [];
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      var pipeline = new CompilePipeline([
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        new IgnoreCurrentElementStep(),
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        createLoggerStep(logs),
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      ]);
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      var results = pipeline.process(element);
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      expect(results.length).toBe(2);
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      expect(logs).toEqual(['1', '1<3'])
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    });
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    describe('control.addParent', () => {
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      it('should report the new parent to the following processor and the result', () => {
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        var element = el('<div id="1"><span wrap0="1" id="2"><b id="3"></b></span></div>');
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        var step0Log = [];
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        var step1Log = [];
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        var pipeline = new CompilePipeline(
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            [createWrapperStep('wrap0', step0Log), createLoggerStep(step1Log)]);
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        var result = pipeline.process(element);
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        expect(step0Log).toEqual(['1', '1<2', '2<3']);
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        expect(step1Log).toEqual(['1', '1<wrap0#0', 'wrap0#0<2', '2<3']);
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        expect(resultIdLog(result)).toEqual(['1', 'wrap0#0', '2', '3']);
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      });
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      it('should allow to add a parent by multiple processors to the same element', () => {
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        var element =
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            el('<div id="1"><span wrap0="1" wrap1="1" id="2"><b id="3"></b></span></div>');
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        var step0Log = [];
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        var step1Log = [];
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        var step2Log = [];
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        var pipeline = new CompilePipeline([
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          createWrapperStep('wrap0', step0Log),
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          createWrapperStep('wrap1', step1Log),
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          createLoggerStep(step2Log)
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        ]);
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        var result = pipeline.process(element);
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        expect(step0Log).toEqual(['1', '1<2', '2<3']);
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        expect(step1Log).toEqual(['1', '1<wrap0#0', 'wrap0#0<2', '2<3']);
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        expect(step2Log).toEqual(['1', '1<wrap0#0', 'wrap0#0<wrap1#0', 'wrap1#0<2', '2<3']);
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        expect(resultIdLog(result)).toEqual(['1', 'wrap0#0', 'wrap1#0', '2', '3']);
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      });
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      it('should allow to add a parent by multiple processors to different elements', () => {
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        var element =
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            el('<div id="1"><span wrap0="1" id="2"><b id="3" wrap1="1"></b></span></div>');
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        var step0Log = [];
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        var step1Log = [];
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        var step2Log = [];
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        var pipeline = new CompilePipeline([
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          createWrapperStep('wrap0', step0Log),
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          createWrapperStep('wrap1', step1Log),
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          createLoggerStep(step2Log)
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        ]);
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        var result = pipeline.process(element);
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        expect(step0Log).toEqual(['1', '1<2', '2<3']);
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        expect(step1Log).toEqual(['1', '1<wrap0#0', 'wrap0#0<2', '2<3']);
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        expect(step2Log).toEqual(['1', '1<wrap0#0', 'wrap0#0<2', '2<wrap1#0', 'wrap1#0<3']);
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        expect(resultIdLog(result)).toEqual(['1', 'wrap0#0', '2', 'wrap1#0', '3']);
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      });
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      it('should allow to add multiple parents by the same processor', () => {
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        var element = el('<div id="1"><span wrap0="2" id="2"><b id="3"></b></span></div>');
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        var step0Log = [];
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        var step1Log = [];
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        var pipeline = new CompilePipeline(
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            [createWrapperStep('wrap0', step0Log), createLoggerStep(step1Log)]);
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        var result = pipeline.process(element);
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        expect(step0Log).toEqual(['1', '1<2', '2<3']);
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        expect(step1Log).toEqual(['1', '1<wrap0#0', 'wrap0#0<wrap0#1', 'wrap0#1<2', '2<3']);
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        expect(resultIdLog(result)).toEqual(['1', 'wrap0#0', 'wrap0#1', '2', '3']);
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      });
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    });
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    describe('control.addChild', () => {
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      it('should report the new child to all processors and the result', () => {
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        var element = el('<div id="1"><div id="2"></div></div>');
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        var resultLog = [];
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        var newChild = new CompileElement(el('<div id="3"></div>'));
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        var pipeline = new CompilePipeline([
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          new MockStep((parent, current, control) =>
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                       {
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                         if (StringWrapper.equals(DOM.getAttribute(current.element, 'id'), '1')) {
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                           control.addChild(newChild);
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                         }
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                       }),
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          createLoggerStep(resultLog)
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        ]);
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        var result = pipeline.process(element);
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        expect(result[2]).toBe(newChild);
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        expect(resultLog).toEqual(['1', '1<2', '1<3']);
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        expect(resultIdLog(result)).toEqual(['1', '2', '3']);
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      });
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    });
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  });
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}
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class MockStep implements CompileStep {
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  processClosure: Function;
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  constructor(process) { this.processClosure = process; }
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  process(parent: CompileElement, current: CompileElement, control: CompileControl) {
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    this.processClosure(parent, current, control);
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  }
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}
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export class IgnoreChildrenStep implements CompileStep {
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  process(parent: CompileElement, current: CompileElement, control: CompileControl) {
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    var attributeMap = DOM.attributeMap(current.element);
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    if (MapWrapper.contains(attributeMap, 'ignore-children')) {
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      current.compileChildren = false;
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    }
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  }
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}
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class IgnoreCurrentElementStep implements CompileStep {
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  process(parent: CompileElement, current: CompileElement, control: CompileControl) {
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    var attributeMap = DOM.attributeMap(current.element);
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    if (MapWrapper.contains(attributeMap, 'ignore-current')) {
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      control.ignoreCurrentElement();
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    }
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  }
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}
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function logEntry(log, parent, current) {
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  var parentId = '';
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  if (isPresent(parent)) {
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    parentId = DOM.getAttribute(parent.element, 'id') + '<';
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  }
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  ListWrapper.push(log, parentId + DOM.getAttribute(current.element, 'id'));
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}
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function createLoggerStep(log) {
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  return new MockStep((parent, current, control) => { logEntry(log, parent, current); });
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}
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function createWrapperStep(wrapperId, log) {
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  var nextElementId = 0;
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  return new MockStep((parent, current, control) => {
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    var parentCountStr = DOM.getAttribute(current.element, wrapperId);
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    if (isPresent(parentCountStr)) {
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      var parentCount = NumberWrapper.parseInt(parentCountStr, 10);
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      while (parentCount > 0) {
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        control.addParent(new CompileElement(el(`<a id="${wrapperId}#${nextElementId++}"></a>`)));
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        parentCount--;
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      }
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    }
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    logEntry(log, parent, current);
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  });
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}
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function resultIdLog(result) {
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  var idLog = [];
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  ListWrapper.forEach(result, (current) => { logEntry(idLog, null, current); });
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  return idLog;
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}
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