445 lines
20 KiB
TypeScript
445 lines
20 KiB
TypeScript
import {describe, it, iit, expect, ddescribe, beforeEach} from 'angular2/testing_internal';
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import {IS_DART, isBlank} from 'angular2/src/facade/lang';
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import {ListWrapper} from 'angular2/src/facade/collection';
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import {
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StaticReflector,
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StaticReflectorHost,
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StaticSymbol,
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ModuleContext
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} from 'angular2/src/compiler/static_reflector';
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export function main() {
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// Static reflector is not supported in Dart
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// as we use reflection to create objects.
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if (IS_DART) return;
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let noContext = new ModuleContext('', '');
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describe('StaticReflector', () => {
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let host: StaticReflectorHost;
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let reflector: StaticReflector;
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beforeEach(() => {
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host = new MockReflectorHost();
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reflector = new StaticReflector(host);
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});
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function simplify(moduleContext: ModuleContext, value: any) {
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return reflector.simplify(moduleContext, value);
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}
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it('should get annotations for NgFor', () => {
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let NgFor = host.findDeclaration('angular2/src/common/directives/ng_for', 'NgFor');
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let annotations = reflector.annotations(NgFor);
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expect(annotations.length).toEqual(1);
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let annotation = annotations[0];
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expect(annotation.selector).toEqual('[ngFor][ngForOf]');
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expect(annotation.inputs).toEqual(['ngForTrackBy', 'ngForOf', 'ngForTemplate']);
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});
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it('should get constructor for NgFor', () => {
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let NgFor = host.findDeclaration('angular2/src/common/directives/ng_for', 'NgFor');
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let ViewContainerRef =
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host.findDeclaration('angular2/src/core/linker/view_container_ref', 'ViewContainerRef');
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let TemplateRef =
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host.findDeclaration('angular2/src/core/linker/template_ref', 'TemplateRef');
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let IterableDiffers = host.findDeclaration(
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'angular2/src/core/change_detection/differs/iterable_differs', 'IterableDiffers');
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let ChangeDetectorRef = host.findDeclaration(
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'angular2/src/core/change_detection/change_detector_ref', 'ChangeDetectorRef');
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let parameters = reflector.parameters(NgFor);
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expect(parameters)
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.toEqual([[ViewContainerRef], [TemplateRef], [IterableDiffers], [ChangeDetectorRef]]);
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});
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it('should get annotations for HeroDetailComponent', () => {
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let HeroDetailComponent =
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host.findDeclaration('src/app/hero-detail.component', 'HeroDetailComponent');
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let annotations = reflector.annotations(HeroDetailComponent);
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expect(annotations.length).toEqual(1);
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let annotation = annotations[0];
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expect(annotation.selector).toEqual('my-hero-detail');
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expect(annotation.directives)
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.toEqual([[host.findDeclaration('angular2/src/common/directives/ng_for', 'NgFor')]]);
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});
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it('should get and empty annotation list for an unknown class', () => {
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let UnknownClass = host.findDeclaration('src/app/app.component', 'UnknownClass');
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let annotations = reflector.annotations(UnknownClass);
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expect(annotations).toEqual([]);
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});
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it('should get propMetadata for HeroDetailComponent', () => {
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let HeroDetailComponent =
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host.findDeclaration('src/app/hero-detail.component', 'HeroDetailComponent');
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let props = reflector.propMetadata(HeroDetailComponent);
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expect(props['hero']).toBeTruthy();
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});
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it('should get an empty object from propMetadata for an unknown class', () => {
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let UnknownClass = host.findDeclaration('src/app/app.component', 'UnknownClass');
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let properties = reflector.propMetadata(UnknownClass);
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expect(properties).toEqual({});
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});
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it('should get empty parameters list for an unknown class ', () => {
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let UnknownClass = host.findDeclaration('src/app/app.component', 'UnknownClass');
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let parameters = reflector.parameters(UnknownClass);
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expect(parameters).toEqual([]);
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});
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it('should simplify primitive into itself', () => {
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expect(simplify(noContext, 1)).toBe(1);
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expect(simplify(noContext, true)).toBe(true);
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expect(simplify(noContext, "some value")).toBe("some value");
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});
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it('should simplify an array into a copy of the array',
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() => { expect(simplify(noContext, [1, 2, 3])).toEqual([1, 2, 3]); });
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it('should simplify an object to a copy of the object', () => {
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let expr = {a: 1, b: 2, c: 3};
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expect(simplify(noContext, expr)).toEqual(expr);
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});
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it('should simplify &&', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '&&', left: true, right: true}))).toBe(true);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '&&', left: true, right: false}))).toBe(false);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '&&', left: false, right: true}))).toBe(false);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '&&', left: false, right: false}))).toBe(false);
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});
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it('should simplify ||', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '||', left: true, right: true}))).toBe(true);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '||', left: true, right: false}))).toBe(true);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '||', left: false, right: true}))).toBe(true);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '||', left: false, right: false}))).toBe(false);
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});
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it('should simplify &', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '&', left: 0x22, right: 0x0F}))).toBe(0x22 & 0x0F);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '&', left: 0x22, right: 0xF0}))).toBe(0x22 & 0xF0);
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});
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it('should simplify |', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '|', left: 0x22, right: 0x0F}))).toBe(0x22 | 0x0F);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '|', left: 0x22, right: 0xF0}))).toBe(0x22 | 0xF0);
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});
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it('should simplify ^', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '|', left: 0x22, right: 0x0F}))).toBe(0x22 | 0x0F);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '|', left: 0x22, right: 0xF0}))).toBe(0x22 | 0xF0);
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});
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it('should simplify ==', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '==', left: 0x22, right: 0x22}))).toBe(0x22 == 0x22);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '==', left: 0x22, right: 0xF0}))).toBe(0x22 == 0xF0);
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});
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it('should simplify !=', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '!=', left: 0x22, right: 0x22}))).toBe(0x22 != 0x22);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '!=', left: 0x22, right: 0xF0}))).toBe(0x22 != 0xF0);
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});
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it('should simplify ===', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '===', left: 0x22, right: 0x22}))).toBe(0x22 === 0x22);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '===', left: 0x22, right: 0xF0}))).toBe(0x22 === 0xF0);
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});
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it('should simplify !==', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '!==', left: 0x22, right: 0x22}))).toBe(0x22 !== 0x22);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '!==', left: 0x22, right: 0xF0}))).toBe(0x22 !== 0xF0);
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});
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it('should simplify >', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '>', left: 1, right: 1}))).toBe(1 > 1);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '>', left: 1, right: 0}))).toBe(1 > 0);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '>', left: 0, right: 1}))).toBe(0 > 1);
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});
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it('should simplify >=', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '>=', left: 1, right: 1}))).toBe(1 >= 1);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '>=', left: 1, right: 0}))).toBe(1 >= 0);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '>=', left: 0, right: 1}))).toBe(0 >= 1);
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});
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it('should simplify <=', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '<=', left: 1, right: 1}))).toBe(1 <= 1);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '<=', left: 1, right: 0}))).toBe(1 <= 0);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '<=', left: 0, right: 1}))).toBe(0 <= 1);
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});
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it('should simplify <', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '<', left: 1, right: 1}))).toBe(1 < 1);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '<', left: 1, right: 0}))).toBe(1 < 0);
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '<', left: 0, right: 1}))).toBe(0 < 1);
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});
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it('should simplify <<', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '<<', left: 0x55, right: 2}))).toBe(0x55 << 2);
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});
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it('should simplify >>', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '>>', left: 0x55, right: 2}))).toBe(0x55 >> 2);
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});
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it('should simplify +', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '+', left: 0x55, right: 2}))).toBe(0x55 + 2);
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});
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it('should simplify -', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '-', left: 0x55, right: 2}))).toBe(0x55 - 2);
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});
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it('should simplify *', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '*', left: 0x55, right: 2}))).toBe(0x55 * 2);
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});
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it('should simplify /', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '/', left: 0x55, right: 2}))).toBe(0x55 / 2);
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});
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it('should simplify %', () => {
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expect(simplify(noContext, ({ __symbolic: 'binop', operator: '%', left: 0x55, right: 2}))).toBe(0x55 % 2);
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});
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it('should simplify prefix -', () => {
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expect(simplify(noContext, ({ __symbolic: 'pre', operator: '-', operand: 2}))).toBe(-2);
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});
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it('should simplify prefix ~', () => {
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expect(simplify(noContext, ({ __symbolic: 'pre', operator: '~', operand: 2}))).toBe(~2);
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});
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it('should simplify prefix !', () => {
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expect(simplify(noContext, ({ __symbolic: 'pre', operator: '!', operand: true}))).toBe(!true);
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expect(simplify(noContext, ({ __symbolic: 'pre', operator: '!', operand: false}))).toBe(!false);
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});
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it('should simplify an array index', () => {
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expect(
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simplify(noContext, ({__symbolic: "index", expression: [1, 2, 3], index: 2})))
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.toBe(3);
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});
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it('should simplify an object index', () => {
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let expr = {__symbolic: "select", expression: {a: 1, b: 2, c: 3}, member: "b"};
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expect(simplify(noContext, expr)).toBe(2);
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});
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it('should simplify a module reference', () => {
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expect(simplify(new ModuleContext('', '/src/cases'),
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({__symbolic: "reference", module: "./extern", name: "s"})))
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.toEqual("s");
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});
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it('should simplify a non existing reference as a static symbol', () => {
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expect(simplify(new ModuleContext('', '/src/cases'),
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({__symbolic: "reference", module: "./extern", name: "nonExisting"})))
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.toEqual(host.getStaticSymbol('', '/src/extern.d.ts', 'nonExisting'));
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});
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});
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}
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class MockReflectorHost implements StaticReflectorHost {
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private staticTypeCache = new Map<string, StaticSymbol>();
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getStaticSymbol(moduleId: string, declarationFile: string, name: string): StaticSymbol {
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var cacheKey = `${declarationFile}:${name}`;
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var result = this.staticTypeCache.get(cacheKey);
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if (isBlank(result)) {
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result = new StaticSymbol(moduleId, declarationFile, name);
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this.staticTypeCache.set(cacheKey, result);
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}
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return result;
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}
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// In tests, assume that symbols are not re-exported
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findDeclaration(modulePath: string, symbolName: string, containingFile?: string): StaticSymbol {
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function splitPath(path: string): string[] { return path.split(/\/|\\/g); }
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function resolvePath(pathParts: string[]): string {
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let result = [];
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ListWrapper.forEachWithIndex(pathParts, (part, index) => {
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switch (part) {
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case '':
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case '.':
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if (index > 0) return;
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break;
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case '..':
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if (index > 0 && result.length != 0) result.pop();
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return;
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}
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result.push(part);
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});
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return result.join('/');
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}
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function pathTo(from: string, to: string): string {
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let result = to;
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if (to.startsWith('.')) {
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let fromParts = splitPath(from);
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fromParts.pop(); // remove the file name.
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let toParts = splitPath(to);
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result = resolvePath(fromParts.concat(toParts));
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}
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return result;
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}
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if (modulePath.indexOf('.') === 0) {
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return this.getStaticSymbol(`mod/${symbolName}`, pathTo(containingFile, modulePath) + '.d.ts',
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symbolName);
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}
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return this.getStaticSymbol(`mod/${symbolName}`, '/tmp/' + modulePath + '.d.ts', symbolName);
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}
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getMetadataFor(moduleId: string): any {
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return {
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'/tmp/angular2/src/common/forms/directives.d.ts':
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{
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"__symbolic": "module",
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"metadata": {
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"FORM_DIRECTIVES": [
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{
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"__symbolic": "reference",
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"name": "NgFor",
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"module": "angular2/src/common/directives/ng_for"
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}
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]
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}
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},
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'/tmp/angular2/src/common/directives/ng_for.d.ts':
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{
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"__symbolic": "module",
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"metadata":
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{
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"NgFor":
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{
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"__symbolic": "class",
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"decorators":
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[
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{
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"__symbolic": "call",
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"expression": {
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"__symbolic": "reference",
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"name": "Directive",
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"module": "../../core/metadata"
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},
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"arguments": [
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{
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"selector": "[ngFor][ngForOf]",
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"inputs": ["ngForTrackBy", "ngForOf", "ngForTemplate"]
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}
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]
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}
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],
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"members":
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{
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"__ctor__": [
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{
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"__symbolic": "constructor",
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"parameters":
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[
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{
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"__symbolic": "reference",
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"module": "../../core/linker/view_container_ref",
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"name": "ViewContainerRef"
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},
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{
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"__symbolic": "reference",
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"module": "../../core/linker/template_ref",
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"name": "TemplateRef"
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},
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{
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"__symbolic": "reference",
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"module":
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"../../core/change_detection/differs/iterable_differs",
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"name": "IterableDiffers"
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},
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{
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"__symbolic": "reference",
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"module":
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"../../core/change_detection/change_detector_ref",
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"name": "ChangeDetectorRef"
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}
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]
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}
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]
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}
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}
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}
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},
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'/tmp/angular2/src/core/linker/view_container_ref.d.ts':
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{"metadata": {"ViewContainerRef": {"__symbolic": "class"}}},
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'/tmp/angular2/src/core/linker/template_ref.d.ts':
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{"module": "./template_ref", "metadata": {"TemplateRef": {"__symbolic": "class"}}},
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'/tmp/angular2/src/core/change_detection/differs/iterable_differs.d.ts':
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{"metadata": {"IterableDiffers": {"__symbolic": "class"}}},
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'/tmp/angular2/src/core/change_detection/change_detector_ref.d.ts':
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{"metadata": {"ChangeDetectorRef": {"__symbolic": "class"}}},
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'/tmp/src/app/hero-detail.component.d.ts':
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{
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"__symbolic": "module",
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"metadata":
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{
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"HeroDetailComponent":
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{
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"__symbolic": "class",
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"decorators":
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[
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{
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"__symbolic": "call",
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"expression": {
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"__symbolic": "reference",
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"name": "Component",
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"module": "angular2/src/core/metadata"
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},
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"arguments": [
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{
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"selector": "my-hero-detail",
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"template": "\n <div *ngIf=\"hero\">\n <h2>{{hero.name}} details!</h2>\n <div><label>id: </label>{{hero.id}}</div>\n <div>\n <label>name: </label>\n <input [(ngModel)]=\"hero.name\" placeholder=\"name\"/>\n </div>\n </div>\n",
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"directives":
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[
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{
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"__symbolic": "reference",
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"name": "FORM_DIRECTIVES",
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"module": "angular2/src/common/forms/directives"
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}
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]
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}
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]
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}
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],
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"members":
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{
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"hero": [
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{
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"__symbolic": "property",
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"decorators":
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[
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{
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"__symbolic": "call",
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"expression":
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{
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"__symbolic": "reference",
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"name": "Input",
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"module": "angular2/src/core/metadata"
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}
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}
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]
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}
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]
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}
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}
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}
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},
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'/src/extern.d.ts': {
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"__symbolic": "module", metadata: { s: "s" }
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}
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}
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[moduleId];
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}
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}
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