261 lines
11 KiB
TypeScript
261 lines
11 KiB
TypeScript
import {describe, beforeEach, it, xit, expect, iit, ddescribe, el} from 'angular2/test_lib';
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import {isPresent, isBlank, assertionsEnabled, IMPLEMENTS} 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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import {ElementBinderBuilder} from 'angular2/src/render/dom/view/proto_view_builder';
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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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someDirectiveWithInvalidHostProperties,
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someDirectiveWithHostAttributes,
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someDirectiveWithEvents,
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someDirectiveWithGlobalEvents
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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): List<ElementBinderBuilder> {
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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)
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.toBe(annotatedDirectives.indexOf(someDirective));
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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)
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.toBe(annotatedDirectives.indexOf(decoratorWithMultipleAttrs));
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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(el('<div some-decor-props></div>'),
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{'elProp': parser.parseBinding('someExpr', '')});
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var directiveBinding = results[0].directives[0];
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expect(directiveBinding.propertyBindings.get('dirProp').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(el('<div some-decor-props el-prop="someValue"></div>'));
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var directiveBinding = results[0].directives[0];
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var simpleProp = directiveBinding.propertyBindings.get('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 = directiveBinding.hostPropertyBindings.get('hostProp');
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expect(ast.source).toEqual('dirProp');
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});
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it('should throw when parsing invalid host properties', () => {
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expect(() => process(el('<input some-decor-with-invalid-host-props>')))
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.toThrowError(
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new RegExp('Simple binding expression can only contain field access and constants'));
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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 add CSS classes if "class" specified in host element attributes', () => {
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var element = el('<input class="foo baz" some-decor-with-host-attrs>');
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var results = process(element);
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expect(DOM.hasClass(results[0].element, 'foo')).toBeTruthy();
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expect(DOM.hasClass(results[0].element, 'bar')).toBeTruthy();
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expect(DOM.hasClass(results[0].element, 'baz')).toBeTruthy();
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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(results[0].readAttributes.get('some-attr')).toEqual('someValue');
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});
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it('should bind directive events', () => {
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var results = process(el('<div some-decor-events></div>'));
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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(el('<div some-decor-globalevents></div>'));
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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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// TODO: assertions should be enabled when running tests:
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// 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(el('<some-comp></some-comp>'));
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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(() => { createPipeline(null, [componentWithNonElementSelector]); })
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.toThrowError(
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`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(el('<some-comp></some-comp>'), null, [someComponent, someComponentDup]);
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}).toThrowError(new RegExp('Only one component directive is allowed per element'));
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});
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it('should sort the directives and store the component as the first directive', () => {
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var results = process(el('<some-comp some-decor></some-comp>'));
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expect(annotatedDirectives[results[0].directives[0].directiveIndex].id)
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.toEqual('someComponent');
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expect(annotatedDirectives[results[0].directives[1].directiveIndex].id)
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.toEqual('someDirective');
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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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var someComponent = DirectiveMetadata.create(
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{selector: 'some-comp', id: 'someComponent', type: DirectiveMetadata.COMPONENT_TYPE});
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var someComponentDup = DirectiveMetadata.create(
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{selector: 'some-comp', id: 'someComponentDup', type: DirectiveMetadata.COMPONENT_TYPE});
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var someComponent2 = DirectiveMetadata.create(
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{selector: 'some-comp2', id: 'someComponent2', type: DirectiveMetadata.COMPONENT_TYPE});
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var someDirective = DirectiveMetadata.create(
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{selector: '[some-decor]', id: 'someDirective', type: DirectiveMetadata.DIRECTIVE_TYPE});
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var someDirectiveIgnoringChildren = DirectiveMetadata.create({
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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 = DirectiveMetadata.create({
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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 = DirectiveMetadata.create({
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selector: '[some-decor-props]',
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properties: ['dirProp: elProp'],
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readAttributes: ['some-attr']
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});
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var someDirectiveWithHostProperties = DirectiveMetadata.create({
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selector: '[some-decor-with-host-props]',
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host: MapWrapper.createFromStringMap({'[hostProp]': 'dirProp'})
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});
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var someDirectiveWithInvalidHostProperties = DirectiveMetadata.create({
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selector: '[some-decor-with-invalid-host-props]',
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host: MapWrapper.createFromStringMap({'[hostProp]': 'dirProp + dirProp2'})
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});
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var someDirectiveWithHostAttributes = DirectiveMetadata.create({
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selector: '[some-decor-with-host-attrs]',
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host: MapWrapper.createFromStringMap({'attr_name': 'attr_val', 'class': 'foo bar'})
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});
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var someDirectiveWithEvents = DirectiveMetadata.create(
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{selector: '[some-decor-events]', host: MapWrapper.createFromStringMap({'(click)': 'doIt()'})});
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var someDirectiveWithGlobalEvents = DirectiveMetadata.create({
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selector: '[some-decor-globalevents]',
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host: MapWrapper.createFromStringMap({'(window:resize)': 'doItGlobal()'})
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});
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var componentWithNonElementSelector = DirectiveMetadata.create({
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id: 'componentWithNonElementSelector',
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selector: '[attr]',
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type: DirectiveMetadata.COMPONENT_TYPE
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});
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