306 lines
10 KiB
JavaScript
306 lines
10 KiB
JavaScript
import {describe, beforeEach, it, xit, expect, iit, ddescribe, el} from 'angular2/test_lib';
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import {isPresent, isBlank, assertionsEnabled} from 'angular2/src/facade/lang';
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import {ListWrapper, MapWrapper, StringMapWrapper} from 'angular2/src/facade/collection';
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import {DOM} from 'angular2/src/dom/dom_adapter';
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import {DirectiveParser} from 'angular2/src/render/dom/compiler/directive_parser';
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import {CompilePipeline} from 'angular2/src/render/dom/compiler/compile_pipeline';
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import {CompileStep} from 'angular2/src/render/dom/compiler/compile_step';
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import {CompileElement} from 'angular2/src/render/dom/compiler/compile_element';
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import {CompileControl} from 'angular2/src/render/dom/compiler/compile_control';
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import {ViewDefinition, DirectiveMetadata} from 'angular2/src/render/api';
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import {Lexer, Parser} from 'angular2/change_detection';
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export function main() {
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describe('DirectiveParser', () => {
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var parser, annotatedDirectives;
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beforeEach( () => {
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annotatedDirectives = [
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someComponent,
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someComponent2,
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someDirective,
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someDirectiveIgnoringChildren,
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decoratorWithMultipleAttrs,
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someDirectiveWithProps,
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someDirectiveWithHostProperties,
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someDirectiveWithHostAttributes,
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someDirectiveWithEvents,
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someDirectiveWithGlobalEvents,
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someDirectiveWithHostActions
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];
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parser = new Parser(new Lexer());
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});
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function createPipeline(propertyBindings = null, directives = null) {
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if (isBlank(directives)) directives = annotatedDirectives;
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return new CompilePipeline([
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new MockStep( (parent, current, control) => {
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if (isPresent(propertyBindings)) {
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StringMapWrapper.forEach(propertyBindings, (ast, name) => {
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current.bindElement().bindProperty(name, ast);
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});
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}
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}),
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new DirectiveParser(parser, directives)
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]);
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}
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function process(el, propertyBindings = null, directives = null) {
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var pipeline = createPipeline(propertyBindings, directives);
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return ListWrapper.map(pipeline.process(el), (ce) => ce.inheritedElementBinder );
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}
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it('should not add directives if they are not used', () => {
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var results = process(el('<div></div>'));
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expect(results[0]).toBe(null);
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});
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it('should detect directives in attributes', () => {
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var results = process(el('<div some-decor></div>'));
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expect(results[0].directives[0].directiveIndex).toBe(
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annotatedDirectives.indexOf(someDirective)
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);
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});
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it('should detect directives with multiple attributes', () => {
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var results = process(el('<input type=text control=one></input>'));
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expect(results[0].directives[0].directiveIndex).toBe(
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annotatedDirectives.indexOf(decoratorWithMultipleAttrs)
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);
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});
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it('should compile children by default', () => {
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var results = createPipeline().process(el('<div some-decor></div>'));
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expect(results[0].compileChildren).toEqual(true);
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});
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it('should stop compiling children when specified in the directive config', () => {
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var results = createPipeline().process(el('<div some-decor-ignoring-children></div>'));
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expect(results[0].compileChildren).toEqual(false);
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});
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it('should bind directive properties from bound properties', () => {
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var results = process(
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el('<div some-decor-props></div>'),
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{
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'elProp': parser.parseBinding('someExpr', '')
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}
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);
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var directiveBinding = results[0].directives[0];
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expect(MapWrapper.get(directiveBinding.propertyBindings, 'dirProp').source)
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.toEqual('someExpr');
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});
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it('should bind directive properties with pipes', () => {
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var results = process(
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el('<div some-decor-props></div>'),
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{
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'elProp': parser.parseBinding('someExpr', '')
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}
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);
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var directiveBinding = results[0].directives[0];
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var pipedProp = MapWrapper.get(directiveBinding.propertyBindings, 'doubleProp');
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var simpleProp = MapWrapper.get(directiveBinding.propertyBindings, 'dirProp');
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expect(pipedProp.ast.name).toEqual('double');
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expect(pipedProp.ast.exp).toEqual(simpleProp.ast);
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expect(simpleProp.source).toEqual('someExpr');
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});
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it('should bind directive properties from attribute values', () => {
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var results = process(
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el('<div some-decor-props el-prop="someValue"></div>')
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);
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var directiveBinding = results[0].directives[0];
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var simpleProp = MapWrapper.get(directiveBinding.propertyBindings, 'dirProp');
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expect(simpleProp.source).toEqual('someValue');
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});
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it('should bind host directive properties', () => {
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var element = el('<input some-decor-with-host-props>');
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var results = process(element);
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var directiveBinding = results[0].directives[0];
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var ast = MapWrapper.get(directiveBinding.hostPropertyBindings, 'hostProperty');
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expect(ast.source).toEqual('dirProp');
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});
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it('should set host element attributes', () => {
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var element = el('<input some-decor-with-host-attrs>');
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var results = process(element);
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expect(DOM.getAttribute(results[0].element, 'attr_name')).toEqual('attr_val');
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});
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it('should not set host element attribute if an attribute already exists', () => {
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var element = el('<input attr_name="initial" some-decor-with-host-attrs>');
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var results = process(element);
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expect(DOM.getAttribute(results[0].element, 'attr_name')).toEqual('initial');
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DOM.removeAttribute(element, 'attr_name');
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results = process(element);
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expect(DOM.getAttribute(results[0].element, 'attr_name')).toEqual('attr_val');
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});
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it('should read attribute values', () => {
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var element = el('<input some-decor-props some-attr="someValue">');
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var results = process(element);
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expect(MapWrapper.get(results[0].readAttributes, 'some-attr')).toEqual('someValue');
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});
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it('should bind directive events', () => {
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var results = process(
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el('<div some-decor-events></div>')
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);
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var directiveBinding = results[0].directives[0];
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expect(directiveBinding.eventBindings.length).toEqual(1);
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var eventBinding = directiveBinding.eventBindings[0];
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expect(eventBinding.fullName).toEqual('click');
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expect(eventBinding.source.source).toEqual('doIt()');
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});
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it('should bind directive global events', () => {
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var results = process(
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el('<div some-decor-globalevents></div>')
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);
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var directiveBinding = results[0].directives[0];
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expect(directiveBinding.eventBindings.length).toEqual(1);
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var eventBinding = directiveBinding.eventBindings[0];
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expect(eventBinding.fullName).toEqual('window:resize');
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expect(eventBinding.source.source).toEqual('doItGlobal()');
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});
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it('should bind directive host actions', () => {
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var results = process(
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el('<div some-decor-host-actions></div>')
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);
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var directiveBinding = results[0].directives[0];
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expect(directiveBinding.hostActions[0].actionName).toEqual('focus');
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});
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//TODO: assertions should be enabled when running tests: https://github.com/angular/angular/issues/1340
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describe('component directives', () => {
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it('should save the component id', () => {
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var results = process(
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el('<some-comp></some-comp>')
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);
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expect(results[0].componentId).toEqual('someComponent');
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});
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it('should throw when the provided selector is not an element selector', () => {
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expect( () => {
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createPipeline(null, [componentWithNonElementSelector]);
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}).toThrowError(`Component 'componentWithNonElementSelector' can only have an element selector, but had '[attr]'`);
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});
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it('should not allow multiple component directives on the same element', () => {
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expect( () => {
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process(
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el('<some-comp></some-comp>'),
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null,
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[someComponent, someComponentDup]
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);
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}).toThrowError(new RegExp('Only one component directive is allowed per element' ));
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});
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});
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});
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}
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class MockStep extends CompileStep {
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processClosure:Function;
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constructor(process) {
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super();
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this.processClosure = process;
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}
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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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var someComponent = new DirectiveMetadata({
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selector: 'some-comp',
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id: 'someComponent',
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type: DirectiveMetadata.COMPONENT_TYPE
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});
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var someComponentDup = new DirectiveMetadata({
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selector: 'some-comp',
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id: 'someComponentDup',
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type: DirectiveMetadata.COMPONENT_TYPE
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});
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var someComponent2 = new DirectiveMetadata({
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selector: 'some-comp2',
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id: 'someComponent2',
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type: DirectiveMetadata.COMPONENT_TYPE
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});
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var someDirective = new DirectiveMetadata({
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selector: '[some-decor]',
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type: DirectiveMetadata.DIRECTIVE_TYPE
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});
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var someDirectiveIgnoringChildren = new DirectiveMetadata({
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selector: '[some-decor-ignoring-children]',
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compileChildren: false,
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type: DirectiveMetadata.DIRECTIVE_TYPE
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});
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var decoratorWithMultipleAttrs = new DirectiveMetadata({
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selector: 'input[type=text][control]',
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id: 'decoratorWithMultipleAttrs',
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type: DirectiveMetadata.DIRECTIVE_TYPE
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});
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var someDirectiveWithProps = new DirectiveMetadata({
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selector: '[some-decor-props]',
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properties: MapWrapper.createFromStringMap({
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'dirProp': 'elProp',
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'doubleProp': 'elProp | double'
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}),
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readAttributes: ['some-attr']
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});
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var someDirectiveWithHostProperties = new DirectiveMetadata({
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selector: '[some-decor-with-host-props]',
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hostProperties: MapWrapper.createFromStringMap({
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'dirProp': 'hostProperty'
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})
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});
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var someDirectiveWithHostAttributes = new DirectiveMetadata({
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selector: '[some-decor-with-host-attrs]',
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hostAttributes: MapWrapper.createFromStringMap({
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'attr_name': 'attr_val'
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})
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});
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var someDirectiveWithEvents = new DirectiveMetadata({
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selector: '[some-decor-events]',
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hostListeners: MapWrapper.createFromStringMap({
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'click': 'doIt()'
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})
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});
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var someDirectiveWithHostActions = new DirectiveMetadata({
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selector: '[some-decor-host-actions]',
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hostActions: MapWrapper.createFromStringMap({
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'focus': 'focus()'
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})
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});
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var someDirectiveWithGlobalEvents = new DirectiveMetadata({
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selector: '[some-decor-globalevents]',
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hostListeners: MapWrapper.createFromStringMap({
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'window:resize': 'doItGlobal()'
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})
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});
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var componentWithNonElementSelector = new DirectiveMetadata({
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id: 'componentWithNonElementSelector',
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selector: '[attr]',
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type: DirectiveMetadata.COMPONENT_TYPE
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}); |