1341 lines
40 KiB
TypeScript
1341 lines
40 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {SelectorFlags} from '@angular/core/src/render3/interfaces/projection';
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import {AttributeMarker, detectChanges} from '../../src/render3/index';
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import {ɵɵcontainer, ɵɵcontainerRefreshEnd, ɵɵcontainerRefreshStart, ɵɵelement, ɵɵelementContainerEnd, ɵɵelementContainerStart, ɵɵelementEnd, ɵɵelementStart, ɵɵembeddedViewEnd, ɵɵembeddedViewStart, ɵɵprojection, ɵɵprojectionDef, ɵɵtext} from '../../src/render3/instructions/all';
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import {RenderFlags} from '../../src/render3/interfaces/definition';
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import {ComponentFixture, createComponent, getDirectiveOnNode, renderComponent, toHtml} from './render_util';
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describe('content projection', () => {
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it('should project containers', () => {
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/** <div><ng-content></ng-content></div> */
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const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵprojectionDef();
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ɵɵelementStart(0, 'div');
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{ ɵɵprojection(1); }
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ɵɵelementEnd();
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}
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}, 2);
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/**
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* <child>
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* (
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* % if (value) {
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* content
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* % }
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* )
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* </child>
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*/
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const Parent = createComponent('parent', function(rf: RenderFlags, ctx: {value: any}) {
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if (rf & RenderFlags.Create) {
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ɵɵelementStart(0, 'child');
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{
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ɵɵtext(1, '(');
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ɵɵcontainer(2);
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ɵɵtext(3, ')');
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}
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ɵɵelementEnd();
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(2);
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{
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if (ctx.value) {
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let rf0 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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ɵɵtext(0, 'content');
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 4, 0, [Child]);
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const parent = renderComponent(Parent);
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expect(toHtml(parent)).toEqual('<child><div>()</div></child>');
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parent.value = true;
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detectChanges(parent);
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expect(toHtml(parent)).toEqual('<child><div>(content)</div></child>');
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parent.value = false;
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detectChanges(parent);
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expect(toHtml(parent)).toEqual('<child><div>()</div></child>');
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});
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it('should project containers into root', () => {
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/** <ng-content></ng-content> */
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const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵprojectionDef();
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ɵɵprojection(0);
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}
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}, 1);
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/**
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* <child>
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* % if (value) {
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* content
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* % }
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* </child>
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*/
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const Parent = createComponent('parent', function(rf: RenderFlags, ctx: {value: any}) {
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if (rf & RenderFlags.Create) {
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ɵɵelementStart(0, 'child');
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{ ɵɵcontainer(1); }
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ɵɵelementEnd();
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(1);
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{
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if (ctx.value) {
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let rf0 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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ɵɵtext(0, 'content');
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 2, 0, [Child]);
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const parent = renderComponent(Parent);
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expect(toHtml(parent)).toEqual('<child></child>');
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parent.value = true;
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detectChanges(parent);
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expect(toHtml(parent)).toEqual('<child>content</child>');
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parent.value = false;
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detectChanges(parent);
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expect(toHtml(parent)).toEqual('<child></child>');
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});
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it('should project containers with if-else.', () => {
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/** <div><ng-content></ng-content></div> */
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const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵprojectionDef();
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ɵɵelementStart(0, 'div');
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{ ɵɵprojection(1); }
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ɵɵelementEnd();
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}
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}, 2);
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/**
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* <child>
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* (
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* % if (value) {
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* content
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* % } else {
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* else
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* % }
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* )
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* </child>
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*/
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const Parent = createComponent('parent', function(rf: RenderFlags, ctx: {value: any}) {
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if (rf & RenderFlags.Create) {
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ɵɵelementStart(0, 'child');
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{
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ɵɵtext(1, '(');
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ɵɵcontainer(2);
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ɵɵtext(3, ')');
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}
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ɵɵelementEnd();
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(2);
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{
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if (ctx.value) {
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let rf0 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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ɵɵtext(0, 'content');
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}
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ɵɵembeddedViewEnd();
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} else {
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if (ɵɵembeddedViewStart(1, 1, 0)) {
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ɵɵtext(0, 'else');
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 4, 0, [Child]);
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const parent = renderComponent(Parent);
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expect(toHtml(parent)).toEqual('<child><div>(else)</div></child>');
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parent.value = true;
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detectChanges(parent);
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expect(toHtml(parent)).toEqual('<child><div>(content)</div></child>');
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parent.value = false;
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detectChanges(parent);
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expect(toHtml(parent)).toEqual('<child><div>(else)</div></child>');
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});
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it('should support projection into embedded views', () => {
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let childCmptInstance: any;
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/**
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* <div>
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* % if (!skipContent) {
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* <span>
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* <ng-content></ng-content>
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* </span>
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* % }
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* </div>
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*/
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const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵprojectionDef();
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ɵɵelementStart(0, 'div');
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{ ɵɵcontainer(1); }
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ɵɵelementEnd();
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(1);
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{
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if (!ctx.skipContent) {
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let rf0 = ɵɵembeddedViewStart(0, 2, 0);
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if (rf0 & RenderFlags.Create) {
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ɵɵelementStart(0, 'span');
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ɵɵprojection(1);
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ɵɵelementEnd();
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 2, 0);
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/**
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* <child>
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* <div>text</div>
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* content
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* </child>
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*/
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const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵelementStart(0, 'child');
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{
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ɵɵelementStart(1, 'div');
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{ ɵɵtext(2, 'text'); }
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ɵɵelementEnd();
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ɵɵtext(3, 'content');
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}
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ɵɵelementEnd();
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// testing
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childCmptInstance = getDirectiveOnNode(0);
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}
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}, 4, 0, [Child]);
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const parent = renderComponent(Parent);
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expect(toHtml(parent)).toEqual('<child><div><span><div>text</div>content</span></div></child>');
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childCmptInstance.skipContent = true;
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detectChanges(parent);
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expect(toHtml(parent)).toEqual('<child><div></div></child>');
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});
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it('should support projection into embedded views when no projected nodes', () => {
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let childCmptInstance: any;
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/**
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* <div>
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* % if (!skipContent) {
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* <ng-content></ng-content>
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* text
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* % }
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* </div>
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*/
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const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵprojectionDef();
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ɵɵelementStart(0, 'div');
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{ ɵɵcontainer(1); }
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ɵɵelementEnd();
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(1);
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{
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if (!ctx.skipContent) {
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let rf0 = ɵɵembeddedViewStart(0, 2, 0);
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if (rf0 & RenderFlags.Create) {
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ɵɵprojection(0);
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ɵɵtext(1, 'text');
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 2);
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/** <child></child> */
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const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵelement(0, 'child');
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// testing
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childCmptInstance = getDirectiveOnNode(0);
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}
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}, 1, 0, [Child]);
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const parent = renderComponent(Parent);
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expect(toHtml(parent)).toEqual('<child><div>text</div></child>');
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childCmptInstance.skipContent = true;
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detectChanges(parent);
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expect(toHtml(parent)).toEqual('<child><div></div></child>');
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});
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it('should support projection into embedded views when ng-content is a root node of an embedded view',
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() => {
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let childCmptInstance: any;
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/**
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* <div>
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* % if (!skipContent) {
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* <ng-content></ng-content>
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* % }
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* </div>
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*/
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const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵprojectionDef();
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ɵɵelementStart(0, 'div');
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{ ɵɵcontainer(1); }
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ɵɵelementEnd();
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(1);
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{
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if (!ctx.skipContent) {
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let rf0 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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ɵɵprojection(0);
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 2);
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/**
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* <child>content</child>
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*/
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const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵelementStart(0, 'child');
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{
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childCmptInstance = getDirectiveOnNode(0);
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ɵɵtext(1, 'content');
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}
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ɵɵelementEnd();
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}
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}, 2, 0, [Child]);
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const parent = renderComponent(Parent);
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expect(toHtml(parent)).toEqual('<child><div>content</div></child>');
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childCmptInstance.skipContent = true;
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detectChanges(parent);
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expect(toHtml(parent)).toEqual('<child><div></div></child>');
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});
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it('should project containers into containers', () => {
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/**
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* <div>
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* Before (inside)
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* % if (!skipContent) {
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* <ng-content></ng-content>
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* % }
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* After (inside)
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* </div>
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*/
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const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵprojectionDef();
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ɵɵelementStart(0, 'div');
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{
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ɵɵtext(1, 'Before (inside)-');
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ɵɵcontainer(2);
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ɵɵtext(3, '-After (inside)');
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}
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ɵɵelementEnd();
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(2);
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{
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if (!ctx.skipContent) {
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let rf0 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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ɵɵprojection(0);
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 4);
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/**
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* <child>
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* Before text-
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* % if (!skipContent) {
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* content
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* % }
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* -After text
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* </child>
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*/
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const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵelementStart(0, 'child');
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{
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ɵɵtext(1, 'Before text-');
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ɵɵcontainer(2);
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ɵɵtext(3, '-After text');
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}
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ɵɵelementEnd();
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(2);
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{
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if (!ctx.skipContent) {
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let rf0 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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ɵɵtext(0, 'content');
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 4, 0, [Child]);
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const fixture = new ComponentFixture(Parent);
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expect(fixture.html)
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.toEqual(
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'<child><div>Before (inside)-Before text-content-After text-After (inside)</div></child>');
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fixture.component.skipContent = true;
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fixture.update();
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expect(fixture.html)
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.toEqual(
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'<child><div>Before (inside)-Before text--After text-After (inside)</div></child>');
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});
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it('should re-project containers into containers', () => {
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/**
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* <div>
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* % if (!skipContent) {
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* <ng-content></ng-content>
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* % }
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* </div>
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*/
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const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵprojectionDef();
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ɵɵelementStart(0, 'div');
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{ ɵɵcontainer(1); }
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ɵɵelementEnd();
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(1);
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{
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if (!ctx.skipContent) {
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let rf0 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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ɵɵprojection(0);
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 2);
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/**
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* <child>
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* Before text
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* % if (!skipContent) {
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* <ng-content></ng-content>
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* % }
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* -After text
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* </child>
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*/
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const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵprojectionDef();
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ɵɵelementStart(0, 'child');
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{
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ɵɵtext(1, 'Before text');
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ɵɵcontainer(2);
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ɵɵtext(3, '-After text');
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}
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ɵɵelementEnd();
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(2);
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{
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if (!ctx.skipContent) {
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let rf0 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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ɵɵprojection(0);
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}, 4, 0, [Child]);
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let parent: any;
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/** <parent><p>text</p></parent> */
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const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵelementStart(0, 'parent');
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{
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ɵɵelementStart(1, 'p');
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{ ɵɵtext(2, 'text'); }
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ɵɵelementEnd();
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}
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ɵɵelementEnd();
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// testing
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parent = getDirectiveOnNode(0);
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}
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}, 3, 0, [Parent]);
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const fixture = new ComponentFixture(App);
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expect(fixture.html)
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.toEqual('<parent><child><div>Before text<p>text</p>-After text</div></child></parent>');
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parent.skipContent = true;
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fixture.update();
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expect(fixture.html)
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.toEqual('<parent><child><div>Before text-After text</div></child></parent>');
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});
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it('should support projection into embedded views when ng-content is a root node of an embedded view, with other nodes after',
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() => {
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let childCmptInstance: any;
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|
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/**
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* <div>
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* % if (!skipContent) {
|
|
* before-<ng-content></ng-content>-after
|
|
* % }
|
|
* </div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵelementStart(0, 'div');
|
|
{ ɵɵcontainer(1); }
|
|
ɵɵelementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
ɵɵcontainerRefreshStart(1);
|
|
{
|
|
if (!ctx.skipContent) {
|
|
let rf0 = ɵɵembeddedViewStart(0, 3, 0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
ɵɵtext(0, 'before-');
|
|
ɵɵprojection(1);
|
|
ɵɵtext(2, '-after');
|
|
}
|
|
ɵɵembeddedViewEnd();
|
|
}
|
|
}
|
|
ɵɵcontainerRefreshEnd();
|
|
}
|
|
}, 2);
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
childCmptInstance = getDirectiveOnNode(0);
|
|
ɵɵtext(1, 'content');
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 2, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>before-content-after</div></child>');
|
|
|
|
childCmptInstance.skipContent = true;
|
|
detectChanges(parent);
|
|
expect(toHtml(parent)).toEqual('<child><div></div></child>');
|
|
});
|
|
|
|
it('should project nodes into the last ng-content', () => {
|
|
/**
|
|
* <div><ng-content></ng-content></div>
|
|
* <span><ng-content></ng-content></span>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵelementStart(0, 'div');
|
|
{ ɵɵprojection(1); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(2, 'span');
|
|
{ ɵɵprojection(3); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4);
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{ ɵɵtext(1, 'content'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 2, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div></div><span>content</span></child>');
|
|
});
|
|
|
|
/**
|
|
* Warning: this test is _not_ in-line with what Angular does atm.
|
|
* Moreover the current implementation logic will result in DOM nodes
|
|
* being re-assigned from one parent to another. Proposal: have compiler
|
|
* to remove all but the latest occurrence of <ng-content> so we generate
|
|
* only one P(n, m, 0) instruction. It would make it consistent with the
|
|
* current Angular behavior:
|
|
* http://plnkr.co/edit/OAYkNawTDPkYBFTqovTP?p=preview
|
|
*/
|
|
it('should project nodes into the last available ng-content', () => {
|
|
let childCmptInstance: any;
|
|
/**
|
|
* <ng-content></ng-content>
|
|
* <div>
|
|
* % if (show) {
|
|
* <ng-content></ng-content>
|
|
* % }
|
|
* </div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵprojection(0);
|
|
ɵɵelementStart(1, 'div');
|
|
{ ɵɵcontainer(2); }
|
|
ɵɵelementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
ɵɵcontainerRefreshStart(2);
|
|
{
|
|
if (ctx.show) {
|
|
let rf0 = ɵɵembeddedViewStart(0, 1, 0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
ɵɵprojection(0);
|
|
}
|
|
ɵɵembeddedViewEnd();
|
|
}
|
|
}
|
|
ɵɵcontainerRefreshEnd();
|
|
}
|
|
}, 3);
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
childCmptInstance = getDirectiveOnNode(0);
|
|
ɵɵtext(1, 'content');
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 2, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child>content<div></div></child>');
|
|
|
|
childCmptInstance.show = true;
|
|
detectChanges(parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>content</div></child>');
|
|
});
|
|
|
|
it('should project with multiple instances of a component with projection', () => {
|
|
const ProjectionComp = createComponent('projection-comp', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵtext(0, 'Before');
|
|
ɵɵprojection(1);
|
|
ɵɵtext(2, 'After');
|
|
}
|
|
}, 3);
|
|
|
|
/**
|
|
* <projection-comp>
|
|
* <div>A</div>
|
|
* <p>123</p>
|
|
* </projection-comp>
|
|
* <projection-comp>
|
|
* <div>B</div>
|
|
* <p>456</p>
|
|
* </projection-comp>
|
|
*/
|
|
const AppComp = createComponent('app-comp', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'projection-comp');
|
|
{
|
|
ɵɵelementStart(1, 'div');
|
|
{ ɵɵtext(2, 'A'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(3, 'p');
|
|
{ ɵɵtext(4, '123'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(5, 'projection-comp');
|
|
{
|
|
ɵɵelementStart(6, 'div');
|
|
{ ɵɵtext(7, 'B'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(8, 'p');
|
|
{ ɵɵtext(9, '456'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 10, 0, [ProjectionComp]);
|
|
|
|
const fixture = new ComponentFixture(AppComp);
|
|
fixture.update();
|
|
expect(fixture.html)
|
|
.toEqual(
|
|
'<projection-comp>Before<div>A</div><p>123</p>After</projection-comp>' +
|
|
'<projection-comp>Before<div>B</div><p>456</p>After</projection-comp>');
|
|
});
|
|
|
|
it('should re-project with multiple instances of a component with projection', () => {
|
|
/**
|
|
* Before
|
|
* <ng-content></ng-content>
|
|
* After
|
|
*/
|
|
const ProjectionComp = createComponent('projection-comp', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵtext(0, 'Before');
|
|
ɵɵprojection(1);
|
|
ɵɵtext(2, 'After');
|
|
}
|
|
}, 3);
|
|
|
|
/**
|
|
* <projection-comp>
|
|
* <div>A</div>
|
|
* <ng-content></ng-content>
|
|
* <p>123</p>
|
|
* </projection-comp>
|
|
* <projection-comp>
|
|
* <div>B</div>
|
|
* <p>456</p>
|
|
* </projection-comp>
|
|
*/
|
|
const ProjectionParent = createComponent('parent-comp', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵelementStart(0, 'projection-comp');
|
|
{
|
|
ɵɵelementStart(1, 'div');
|
|
{ ɵɵtext(2, 'A'); }
|
|
ɵɵelementEnd();
|
|
ɵɵprojection(3, 0);
|
|
ɵɵelementStart(4, 'p');
|
|
{ ɵɵtext(5, '123'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(6, 'projection-comp');
|
|
{
|
|
ɵɵelementStart(7, 'div');
|
|
{ ɵɵtext(8, 'B'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(9, 'p');
|
|
{ ɵɵtext(10, '456'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 11, 0, [ProjectionComp]);
|
|
|
|
/**
|
|
* <parent-comp>
|
|
* **ABC**
|
|
* </parent-comp>
|
|
* <parent-comp>
|
|
* **DEF**
|
|
* </parent-comp>
|
|
*/
|
|
const AppComp = createComponent('app-comp', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'parent-comp');
|
|
{ ɵɵtext(1, '**ABC**'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(2, 'parent-comp');
|
|
{ ɵɵtext(3, '**DEF**'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4, 0, [ProjectionParent]);
|
|
|
|
const fixture = new ComponentFixture(AppComp);
|
|
fixture.update();
|
|
expect(fixture.html)
|
|
.toEqual(
|
|
'<parent-comp>' +
|
|
'<projection-comp>Before<div>A</div>**ABC**<p>123</p>After</projection-comp>' +
|
|
'<projection-comp>Before<div>B</div><p>456</p>After</projection-comp></parent-comp>' +
|
|
'<parent-comp>' +
|
|
'<projection-comp>Before<div>A</div>**DEF**<p>123</p>After</projection-comp>' +
|
|
'<projection-comp>Before<div>B</div><p>456</p>After</projection-comp></parent-comp>');
|
|
});
|
|
|
|
it('should project ng-container at the content root', () => {
|
|
|
|
`<ng-content></ng-content>`;
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵprojection(0);
|
|
}
|
|
}, 1);
|
|
|
|
`<child>
|
|
<ng-container>
|
|
<ng-container>
|
|
content
|
|
</ng-container>
|
|
</ng-container>
|
|
</child>`;
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
ɵɵelementContainerStart(1);
|
|
{
|
|
ɵɵelementContainerStart(2);
|
|
{ ɵɵtext(3, 'content'); }
|
|
ɵɵelementContainerEnd();
|
|
}
|
|
ɵɵelementContainerEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child>content</child>');
|
|
});
|
|
|
|
it('should re-project ng-container at the content root', () => {
|
|
|
|
`<ng-content></ng-content>`;
|
|
const GrandChild = createComponent('grand-child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵprojection(0);
|
|
}
|
|
}, 1);
|
|
|
|
`<grand-child>
|
|
<ng-content></ng-content>
|
|
</grand-child>`;
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵelementStart(0, 'grand-child');
|
|
{ ɵɵprojection(1); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 2, 0, [GrandChild]);
|
|
|
|
`<child>
|
|
<ng-container>
|
|
<ng-container>
|
|
content
|
|
</ng-container>
|
|
</ng-container>
|
|
</child>`;
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
ɵɵelementContainerStart(1);
|
|
{
|
|
ɵɵelementContainerStart(2);
|
|
{ ɵɵtext(3, 'content'); }
|
|
ɵɵelementContainerEnd();
|
|
}
|
|
ɵɵelementContainerEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><grand-child>content</grand-child></child>');
|
|
});
|
|
|
|
describe('with selectors', () => {
|
|
|
|
it('should project nodes using attribute selectors', () => {
|
|
/**
|
|
* <div id="first"><ng-content select="span[title=toFirst]"></ng-content></div>
|
|
* <div id="second"><ng-content select="span[title=toSecond]"></ng-content></div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef(['*', [['span', 'title', 'toFirst']], [['span', 'title', 'toSecond']]]);
|
|
ɵɵelementStart(0, 'div', ['id', 'first']);
|
|
{ ɵɵprojection(1, 1); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(2, 'div', ['id', 'second']);
|
|
{ ɵɵprojection(3, 2); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4);
|
|
|
|
/**
|
|
* <child>
|
|
* <span title="toFirst">1</span>
|
|
* <span title="toSecond">2</span>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
ɵɵelementStart(1, 'span', ['title', 'toFirst']);
|
|
{ ɵɵtext(2, '1'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(3, 'span', ['title', 'toSecond']);
|
|
{ ɵɵtext(4, '2'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 5, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent))
|
|
.toEqual(
|
|
'<child><div id="first"><span title="toFirst">1</span></div><div id="second"><span title="toSecond">2</span></div></child>');
|
|
});
|
|
|
|
it('should project nodes using class selectors', () => {
|
|
/**
|
|
* <div id="first"><ng-content select="span.toFirst"></ng-content></div>
|
|
* <div id="second"><ng-content select="span.toSecond"></ng-content></div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef([
|
|
'*', [['span', SelectorFlags.CLASS, 'toFirst']],
|
|
[['span', SelectorFlags.CLASS, 'toSecond']]
|
|
]);
|
|
ɵɵelementStart(0, 'div', ['id', 'first']);
|
|
{ ɵɵprojection(1, 1); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(2, 'div', ['id', 'second']);
|
|
{ ɵɵprojection(3, 2); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4);
|
|
|
|
/**
|
|
* <child>
|
|
* <span class="toFirst">1</span>
|
|
* <span class="toSecond">2</span>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
ɵɵelementStart(1, 'span', ['class', 'toFirst']);
|
|
{ ɵɵtext(2, '1'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(3, 'span', ['class', 'toSecond']);
|
|
{ ɵɵtext(4, '2'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 5, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent))
|
|
.toEqual(
|
|
'<child><div id="first"><span class="toFirst">1</span></div><div id="second"><span class="toSecond">2</span></div></child>');
|
|
});
|
|
|
|
it('should project nodes using class selectors when element has multiple classes', () => {
|
|
/**
|
|
* <div id="first"><ng-content select="span.toFirst"></ng-content></div>
|
|
* <div id="second"><ng-content select="span.toSecond"></ng-content></div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef([
|
|
'*', [['span', SelectorFlags.CLASS, 'toFirst']],
|
|
[['span', SelectorFlags.CLASS, 'toSecond']]
|
|
]);
|
|
ɵɵelementStart(0, 'div', ['id', 'first']);
|
|
{ ɵɵprojection(1, 1); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(2, 'div', ['id', 'second']);
|
|
{ ɵɵprojection(3, 2); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4);
|
|
|
|
/**
|
|
* <child>
|
|
* <span class="other toFirst">1</span>
|
|
* <span class="toSecond noise">2</span>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
ɵɵelementStart(1, 'span', ['class', 'other toFirst']);
|
|
{ ɵɵtext(2, '1'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(3, 'span', ['class', 'toSecond noise']);
|
|
{ ɵɵtext(4, '2'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 5, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent))
|
|
.toEqual(
|
|
'<child><div id="first"><span class="other toFirst">1</span></div><div id="second"><span class="toSecond noise">2</span></div></child>');
|
|
});
|
|
|
|
it('should project nodes into the first matching selector', () => {
|
|
/**
|
|
* <div id="first"><ng-content select="span"></ng-content></div>
|
|
* <div id="second"><ng-content select="span.toSecond"></ng-content></div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef(['*', [['span']], [['span', SelectorFlags.CLASS, 'toSecond']]]);
|
|
ɵɵelementStart(0, 'div', ['id', 'first']);
|
|
{ ɵɵprojection(1, 1); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(2, 'div', ['id', 'second']);
|
|
{ ɵɵprojection(3, 2); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4);
|
|
|
|
/**
|
|
* <child>
|
|
* <span class="toFirst">1</span>
|
|
* <span class="toSecond">2</span>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
ɵɵelementStart(1, 'span', ['class', 'toFirst']);
|
|
{ ɵɵtext(2, '1'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(3, 'span', ['class', 'toSecond']);
|
|
{ ɵɵtext(4, '2'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 5, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent))
|
|
.toEqual(
|
|
'<child><div id="first"><span class="toFirst">1</span><span class="toSecond">2</span></div><div id="second"></div></child>');
|
|
});
|
|
|
|
it('should allow mixing ng-content with and without selectors', () => {
|
|
/**
|
|
* <div id="first"><ng-content select="span.toFirst"></ng-content></div>
|
|
* <div id="second"><ng-content></ng-content></div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef(['*', [['span', SelectorFlags.CLASS, 'toFirst']]]);
|
|
ɵɵelementStart(0, 'div', ['id', 'first']);
|
|
{ ɵɵprojection(1, 1); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(2, 'div', ['id', 'second']);
|
|
{ ɵɵprojection(3); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4);
|
|
|
|
/**
|
|
* <child>
|
|
* <span class="other toFirst">1</span>
|
|
* <span class="toSecond noise">2</span>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
ɵɵelementStart(1, 'span', ['class', 'toFirst']);
|
|
{ ɵɵtext(2, '1'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(3, 'span');
|
|
{ ɵɵtext(4, 'remaining'); }
|
|
ɵɵelementEnd();
|
|
ɵɵtext(5, 'more remaining');
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 6, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent))
|
|
.toEqual(
|
|
'<child><div id="first"><span class="toFirst">1</span></div><div id="second"><span>remaining</span>more remaining</div></child>');
|
|
});
|
|
|
|
it('should allow mixing ng-content with and without selectors - ng-content first', () => {
|
|
/**
|
|
* <div id="first"><ng-content></ng-content></div>
|
|
* <div id="second"><ng-content select="span.toSecond"></ng-content></div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef(['*', [['span', SelectorFlags.CLASS, 'toSecond']]]);
|
|
ɵɵelementStart(0, 'div', ['id', 'first']);
|
|
{ ɵɵprojection(1); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(2, 'div', ['id', 'second']);
|
|
{ ɵɵprojection(3, 1); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4);
|
|
|
|
/**
|
|
* <child>
|
|
* <span>1</span>
|
|
* <span class="toSecond">2</span>
|
|
* remaining
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
ɵɵelementStart(1, 'span');
|
|
{ ɵɵtext(2, '1'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(3, 'span', ['class', 'toSecond']);
|
|
{ ɵɵtext(4, '2'); }
|
|
ɵɵelementEnd();
|
|
ɵɵtext(5, 'remaining');
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 6, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent))
|
|
.toEqual(
|
|
'<child><div id="first"><span>1</span>remaining</div><div id="second"><span class="toSecond">2</span></div></child>');
|
|
});
|
|
|
|
/**
|
|
* Descending into projected content for selector-matching purposes is not supported
|
|
* today: http://plnkr.co/edit/MYQcNfHSTKp9KvbzJWVQ?p=preview
|
|
*/
|
|
it('should not descend into re-projected content', () => {
|
|
|
|
/**
|
|
* <ng-content select="span"></ng-content>
|
|
* <hr>
|
|
* <ng-content></ng-content>
|
|
*/
|
|
const GrandChild = createComponent('grand-child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef(['*', [['span']]]);
|
|
ɵɵprojection(0, 1);
|
|
ɵɵelement(1, 'hr');
|
|
ɵɵprojection(2);
|
|
}
|
|
}, 3);
|
|
|
|
/**
|
|
* <grand-child>
|
|
* <ng-content></ng-content>
|
|
* <span>in child template</span>
|
|
* </grand-child>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵelementStart(0, 'grand-child');
|
|
{
|
|
ɵɵprojection(1);
|
|
ɵɵelementStart(2, 'span');
|
|
{ ɵɵtext(3, 'in child template'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4, 0, [GrandChild]);
|
|
|
|
/**
|
|
* <child>
|
|
* <div>
|
|
* parent content
|
|
* </div>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
ɵɵelementStart(1, 'span');
|
|
{ ɵɵtext(2, 'parent content'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 3, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent))
|
|
.toEqual(
|
|
'<child><grand-child><span>in child template</span><hr><span>parent content</span></grand-child></child>');
|
|
});
|
|
|
|
it('should match selectors on ng-content nodes with attributes', () => {
|
|
|
|
/**
|
|
* <ng-content select="[card-title]"></ng-content>
|
|
* <hr>
|
|
* <ng-content select="[card-content]"></ng-content>
|
|
*/
|
|
const Card = createComponent('card', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef(['*', [['', 'card-title', '']], [['', 'card-content', '']]]);
|
|
ɵɵprojection(0, 1);
|
|
ɵɵelement(1, 'hr');
|
|
ɵɵprojection(2, 2);
|
|
}
|
|
}, 3);
|
|
|
|
/**
|
|
* <card>
|
|
* <h1 card-title>Title</h1>
|
|
* <ng-content card-content></ng-content>
|
|
* </card>
|
|
*/
|
|
const CardWithTitle = createComponent('card-with-title', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef();
|
|
ɵɵelementStart(0, 'card');
|
|
{
|
|
ɵɵelementStart(1, 'h1', ['card-title', '']);
|
|
{ ɵɵtext(2, 'Title'); }
|
|
ɵɵelementEnd();
|
|
ɵɵprojection(3, 0, ['card-content', '']);
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 4, 0, [Card]);
|
|
|
|
/**
|
|
* <card-with-title>
|
|
* content
|
|
* </card-with-title>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'card-with-title');
|
|
{ ɵɵtext(1, 'content'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 2, 0, [CardWithTitle]);
|
|
|
|
const app = renderComponent(App);
|
|
expect(toHtml(app))
|
|
.toEqual(
|
|
'<card-with-title><card><h1 card-title="">Title</h1><hr>content</card></card-with-title>');
|
|
});
|
|
|
|
it('should not match selectors against node having ngProjectAs attribute', function() {
|
|
|
|
/**
|
|
* <ng-content select="div"></ng-content>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵprojectionDef(['*', [['div']]]);
|
|
ɵɵprojection(0, 1);
|
|
}
|
|
}, 1);
|
|
|
|
/**
|
|
* <child>
|
|
* <div ngProjectAs="span">should not project</div>
|
|
* <div>should project</div>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
ɵɵelementStart(0, 'child');
|
|
{
|
|
ɵɵelementStart(1, 'div', [AttributeMarker.ProjectAs, ['span']]);
|
|
{ ɵɵtext(2, 'should not project'); }
|
|
ɵɵelementEnd();
|
|
ɵɵelementStart(3, 'div');
|
|
{ ɵɵtext(4, 'should project'); }
|
|
ɵɵelementEnd();
|
|
}
|
|
ɵɵelementEnd();
|
|
}
|
|
}, 5, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>should project</div></child>');
|
|
});
|
|
});
|
|
|
|
});
|