2112 lines
62 KiB
TypeScript
2112 lines
62 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, defineComponent, defineDirective, detectChanges, directiveInject, loadViewQuery, queryRefresh, reference, templateRefExtractor, viewQuery} from '../../src/render3/index';
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import {bind, container, containerRefreshEnd, containerRefreshStart, element, elementContainerEnd, elementContainerStart, elementEnd, elementProperty, elementStart, embeddedViewEnd, embeddedViewStart, projection, projectionDef, template, text, textBinding, interpolation1} from '../../src/render3/instructions/all';
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import {RenderFlags} from '../../src/render3/interfaces/definition';
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import {TemplateRef, ViewContainerRef, QueryList} from '@angular/core';
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import {NgIf, NgForOf} from './common_with_def';
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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 content', () => {
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/**
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* <div><ng-content></ng-content></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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projectionDef();
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elementStart(0, 'div');
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{ projection(1); }
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elementEnd();
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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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elementStart(0, 'child');
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{ text(1, 'content'); }
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elementEnd();
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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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});
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it('should project content when <ng-content> is at a template 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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projectionDef();
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projection(0);
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}
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}, 1);
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/** <child>content</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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elementStart(0, 'child');
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{ text(1, 'content'); }
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elementEnd();
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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>content</child>');
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});
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it('should project content with siblings', () => {
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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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projectionDef();
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projection(0);
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}
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}, 1);
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/**
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* <child>
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* before
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* <div>content</div>
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* after
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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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elementStart(0, 'child');
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{
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text(1, 'before');
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elementStart(2, 'div');
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{ text(3, 'content'); }
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elementEnd();
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text(4, 'after');
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}
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elementEnd();
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}
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}, 5, 0, [Child]);
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const parent = renderComponent(Parent);
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expect(toHtml(parent)).toEqual('<child>before<div>content</div>after</child>');
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});
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it('should re-project content when root.', () => {
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/** <div><ng-content></ng-content></div> */
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const GrandChild = createComponent('grand-child', function(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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projectionDef();
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elementStart(0, 'div');
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{ projection(1); }
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elementEnd();
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}
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}, 2);
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/** <grand-child><ng-content></ng-content></grand-child> */
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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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projectionDef();
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elementStart(0, 'grand-child');
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{ projection(1); }
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elementEnd();
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}
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}, 2, 0, [GrandChild]);
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/** <child><b>Hello</b>World!</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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elementStart(0, 'child');
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{
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elementStart(1, 'b');
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text(2, 'Hello');
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elementEnd();
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text(3, 'World!');
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}
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elementEnd();
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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))
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.toEqual('<child><grand-child><div><b>Hello</b>World!</div></grand-child></child>');
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});
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it('should project components', () => {
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/** <div><ng-content></ng-content></div> */
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const Child = createComponent('child', (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
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projectionDef();
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elementStart(0, 'div');
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{ projection(1); }
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elementEnd();
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}
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}, 2);
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const ProjectedComp = createComponent('projected-comp', (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
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text(0, 'content');
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}
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}, 1);
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/**
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* <child>
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* <projected-comp></projected-comp>
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* </child>
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*/
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const Parent = createComponent('parent', (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'child');
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{ element(1, 'projected-comp'); }
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elementEnd();
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}
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}, 2, 0, [Child, ProjectedComp]);
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const parent = renderComponent(Parent);
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expect(toHtml(parent))
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.toEqual('<child><div><projected-comp>content</projected-comp></div></child>');
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});
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it('should project components that have their own projection', () => {
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/** <div><ng-content></ng-content></div> */
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const Child = createComponent('child', (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
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projectionDef();
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elementStart(0, 'div');
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{ projection(1); }
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elementEnd();
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}
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}, 2);
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/** <p><ng-content></ng-content></p> */
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const ProjectedComp = createComponent('projected-comp', (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
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projectionDef();
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elementStart(0, 'p');
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projection(1);
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elementEnd();
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}
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}, 2);
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/**
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* <child>
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* <projected-comp>
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* <div> Some content </div>
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* Other content
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* </projected-comp>
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* </child>
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*/
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const Parent = createComponent('parent', (rf: RenderFlags, ctx: any) => {
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if (rf & RenderFlags.Create) {
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elementStart(0, 'child');
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{
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elementStart(1, 'projected-comp');
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{
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elementStart(2, 'div');
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text(3, 'Some content');
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elementEnd();
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text(4, 'Other content');
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}
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elementEnd();
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}
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elementEnd();
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}
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}, 5, 0, [Child, ProjectedComp]);
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const parent = renderComponent(Parent);
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expect(toHtml(parent))
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.toEqual(
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'<child><div><projected-comp><p><div>Some content</div>Other content</p></projected-comp></div></child>');
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});
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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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projectionDef();
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elementStart(0, 'div');
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{ projection(1); }
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elementEnd();
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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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elementStart(0, 'child');
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{
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text(1, '(');
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container(2);
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text(3, ')');
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}
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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containerRefreshStart(2);
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{
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if (ctx.value) {
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let rf0 = embeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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text(0, 'content');
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}
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embeddedViewEnd();
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}
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}
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containerRefreshEnd();
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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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projectionDef();
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projection(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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elementStart(0, 'child');
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{ container(1); }
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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containerRefreshStart(1);
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{
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if (ctx.value) {
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let rf0 = embeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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text(0, 'content');
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}
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embeddedViewEnd();
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}
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}
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containerRefreshEnd();
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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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projectionDef();
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elementStart(0, 'div');
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{ projection(1); }
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elementEnd();
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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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elementStart(0, 'child');
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{
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text(1, '(');
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container(2);
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text(3, ')');
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}
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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containerRefreshStart(2);
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{
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if (ctx.value) {
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let rf0 = embeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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text(0, 'content');
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}
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embeddedViewEnd();
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} else {
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if (embeddedViewStart(1, 1, 0)) {
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text(0, 'else');
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}
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embeddedViewEnd();
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}
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}
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containerRefreshEnd();
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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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projectionDef();
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elementStart(0, 'div');
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{ container(1); }
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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containerRefreshStart(1);
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{
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if (!ctx.skipContent) {
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let rf0 = embeddedViewStart(0, 2, 0);
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if (rf0 & RenderFlags.Create) {
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elementStart(0, 'span');
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projection(1);
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elementEnd();
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}
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embeddedViewEnd();
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}
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}
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containerRefreshEnd();
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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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elementStart(0, 'child');
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{
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elementStart(1, 'div');
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{ text(2, 'text'); }
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elementEnd();
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text(3, 'content');
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}
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elementEnd();
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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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projectionDef();
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elementStart(0, 'div');
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{ container(1); }
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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containerRefreshStart(1);
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{
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if (!ctx.skipContent) {
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let rf0 = embeddedViewStart(0, 2, 0);
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if (rf0 & RenderFlags.Create) {
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projection(0);
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text(1, 'text');
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}
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embeddedViewEnd();
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}
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}
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containerRefreshEnd();
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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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element(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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projectionDef();
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elementStart(0, 'div');
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{ container(1); }
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elementEnd();
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}
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if (rf & RenderFlags.Update) {
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containerRefreshStart(1);
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{
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if (!ctx.skipContent) {
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let rf0 = embeddedViewStart(0, 1, 0);
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if (rf0 & RenderFlags.Create) {
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projection(0);
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}
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embeddedViewEnd();
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}
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}
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containerRefreshEnd();
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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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elementStart(0, 'child');
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{
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childCmptInstance = getDirectiveOnNode(0);
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text(1, 'content');
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}
|
|
elementEnd();
|
|
}
|
|
}, 2, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>content</div></child>');
|
|
|
|
childCmptInstance.skipContent = true;
|
|
detectChanges(parent);
|
|
expect(toHtml(parent)).toEqual('<child><div></div></child>');
|
|
});
|
|
|
|
it('should project containers into containers', () => {
|
|
/**
|
|
* <div>
|
|
* Before (inside)
|
|
* % if (!skipContent) {
|
|
* <ng-content></ng-content>
|
|
* % }
|
|
* After (inside)
|
|
* </div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'div');
|
|
{
|
|
text(1, 'Before (inside)-');
|
|
container(2);
|
|
text(3, '-After (inside)');
|
|
}
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(2);
|
|
{
|
|
if (!ctx.skipContent) {
|
|
let rf0 = embeddedViewStart(0, 1, 0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, 4);
|
|
|
|
/**
|
|
* <child>
|
|
* Before text-
|
|
* % if (!skipContent) {
|
|
* content
|
|
* % }
|
|
* -After text
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
text(1, 'Before text-');
|
|
container(2);
|
|
text(3, '-After text');
|
|
}
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(2);
|
|
{
|
|
if (!ctx.skipContent) {
|
|
let rf0 = embeddedViewStart(0, 1, 0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
text(0, 'content');
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, 4, 0, [Child]);
|
|
|
|
const fixture = new ComponentFixture(Parent);
|
|
expect(fixture.html)
|
|
.toEqual(
|
|
'<child><div>Before (inside)-Before text-content-After text-After (inside)</div></child>');
|
|
|
|
fixture.component.skipContent = true;
|
|
fixture.update();
|
|
expect(fixture.html)
|
|
.toEqual(
|
|
'<child><div>Before (inside)-Before text--After text-After (inside)</div></child>');
|
|
});
|
|
|
|
it('should re-project containers into containers', () => {
|
|
/**
|
|
* <div>
|
|
* % if (!skipContent) {
|
|
* <ng-content></ng-content>
|
|
* % }
|
|
* </div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'div');
|
|
{ container(1); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(1);
|
|
{
|
|
if (!ctx.skipContent) {
|
|
let rf0 = embeddedViewStart(0, 1, 0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, 2);
|
|
|
|
/**
|
|
* <child>
|
|
* Before text
|
|
* % if (!skipContent) {
|
|
* <ng-content></ng-content>
|
|
* % }
|
|
* -After text
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'child');
|
|
{
|
|
text(1, 'Before text');
|
|
container(2);
|
|
text(3, '-After text');
|
|
}
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(2);
|
|
{
|
|
if (!ctx.skipContent) {
|
|
let rf0 = embeddedViewStart(0, 1, 0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, 4, 0, [Child]);
|
|
|
|
let parent: any;
|
|
/** <parent><p>text</p></parent> */
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'parent');
|
|
{
|
|
elementStart(1, 'p');
|
|
{ text(2, 'text'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
// testing
|
|
parent = getDirectiveOnNode(0);
|
|
}
|
|
}, 3, 0, [Parent]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(fixture.html)
|
|
.toEqual('<parent><child><div>Before text<p>text</p>-After text</div></child></parent>');
|
|
|
|
parent.skipContent = true;
|
|
fixture.update();
|
|
expect(fixture.html)
|
|
.toEqual('<parent><child><div>Before text-After text</div></child></parent>');
|
|
});
|
|
|
|
it('should support projection into embedded views when ng-content is a root node of an embedded view, with other nodes after',
|
|
() => {
|
|
let childCmptInstance: any;
|
|
|
|
/**
|
|
* <div>
|
|
* % if (!skipContent) {
|
|
* before-<ng-content></ng-content>-after
|
|
* % }
|
|
* </div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'div');
|
|
{ container(1); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(1);
|
|
{
|
|
if (!ctx.skipContent) {
|
|
let rf0 = embeddedViewStart(0, 3, 0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
text(0, 'before-');
|
|
projection(1);
|
|
text(2, '-after');
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, 2);
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
childCmptInstance = getDirectiveOnNode(0);
|
|
text(1, 'content');
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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 into dynamic views (with createEmbeddedView)', () => {
|
|
/**
|
|
* Before-
|
|
* <ng-template [ngIf]="showing">
|
|
* <ng-content></ng-content>
|
|
* </ng-template>
|
|
* -After
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
text(0, 'Before-');
|
|
template(1, IfTemplate, 1, 0, 'ng-template', [AttributeMarker.Bindings, 'ngIf']);
|
|
text(2, '-After');
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(1, 'ngIf', bind(ctx.showing));
|
|
}
|
|
|
|
}, 3, 1, [NgIf]);
|
|
|
|
function IfTemplate(rf1: RenderFlags, ctx: any) {
|
|
if (rf1 & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
}
|
|
|
|
let child: {showing: boolean};
|
|
/**
|
|
* <child>
|
|
* <div>A</div>
|
|
* Some text
|
|
* </child>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'div');
|
|
{ text(2, 'A'); }
|
|
elementEnd();
|
|
text(3, 'Some text');
|
|
}
|
|
elementEnd();
|
|
|
|
// testing
|
|
child = getDirectiveOnNode(0);
|
|
}
|
|
}, 4, 0, [Child]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
child !.showing = true;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('<child>Before-<div>A</div>Some text-After</child>');
|
|
|
|
child !.showing = false;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('<child>Before--After</child>');
|
|
|
|
child !.showing = true;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('<child>Before-<div>A</div>Some text-After</child>');
|
|
});
|
|
|
|
it('should project into dynamic views (with insertion)', () => {
|
|
/**
|
|
* Before-
|
|
* <ng-template [ngIf]="showing">
|
|
* <ng-content></ng-content>
|
|
* </ng-template>
|
|
* -After
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
text(0, 'Before-');
|
|
template(1, IfTemplate, 1, 0, 'ng-template', [AttributeMarker.Bindings, 'ngIf']);
|
|
text(2, '-After');
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(1, 'ngIf', bind(ctx.showing));
|
|
}
|
|
|
|
}, 3, 1, [NgIf]);
|
|
|
|
function IfTemplate(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
}
|
|
|
|
let child: {showing: boolean};
|
|
/**
|
|
* <child>
|
|
* <div>A</div>
|
|
* Some text
|
|
* </child>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'div');
|
|
{ text(2, 'A'); }
|
|
elementEnd();
|
|
text(3, 'Some text');
|
|
}
|
|
elementEnd();
|
|
|
|
// testing
|
|
child = getDirectiveOnNode(0);
|
|
}
|
|
}, 4, 0, [Child]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
child !.showing = true;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('<child>Before-<div>A</div>Some text-After</child>');
|
|
|
|
child !.showing = false;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('<child>Before--After</child>');
|
|
|
|
child !.showing = true;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('<child>Before-<div>A</div>Some text-After</child>');
|
|
});
|
|
|
|
it('should project into dynamic views with specific selectors', () => {
|
|
/**
|
|
* <ng-content></ng-content>
|
|
* Before-
|
|
* <ng-template [ngIf]="showing">
|
|
* <ng-content select="div"></ng-content>
|
|
* </ng-template>
|
|
* -After
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef([[['div']]], ['div']);
|
|
projection(0);
|
|
text(1, 'Before-');
|
|
template(2, IfTemplate, 1, 0, 'ng-template', [AttributeMarker.Bindings, 'ngIf']);
|
|
text(3, '-After');
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(2, 'ngIf', bind(ctx.showing));
|
|
}
|
|
|
|
}, 4, 1, [NgIf]);
|
|
|
|
function IfTemplate(rf1: RenderFlags) {
|
|
if (rf1 & RenderFlags.Create) {
|
|
projection(0, 1);
|
|
}
|
|
}
|
|
|
|
let child: {showing: boolean};
|
|
/**
|
|
* <child>
|
|
* <div>A</div>
|
|
* <span>B</span>
|
|
* </child>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'div');
|
|
{ text(2, 'A'); }
|
|
elementEnd();
|
|
elementStart(3, 'span');
|
|
{ text(4, 'B'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
|
|
// testing
|
|
child = getDirectiveOnNode(0);
|
|
}
|
|
}, 5, 0, [Child]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
child !.showing = true;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('<child><span>B</span>Before-<div>A</div>-After</child>');
|
|
|
|
child !.showing = false;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('<child><span>B</span>Before--After</child>');
|
|
|
|
child !.showing = true;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('<child><span>B</span>Before-<div>A</div>-After</child>');
|
|
});
|
|
|
|
it('should project if <ng-content> is in a template that has different declaration/insertion points',
|
|
() => {
|
|
let triggerDir !: Trigger;
|
|
|
|
function NgTemplate(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* <ng-template>
|
|
* <ng-content></ng-content>
|
|
* </ng-template>
|
|
*/
|
|
const Comp = createComponent(
|
|
'comp',
|
|
(rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
template(1, NgTemplate, 1, 0, 'ng-template', null, null, templateRefExtractor);
|
|
}
|
|
},
|
|
2, 0, [], [],
|
|
function(rf: RenderFlags, ctx: any) {
|
|
/** @ViewChild(TemplateRef) template: TemplateRef<any> */
|
|
if (rf & RenderFlags.Create) {
|
|
viewQuery(TemplateRef as any, true, null);
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
let tmp: any;
|
|
queryRefresh(tmp = loadViewQuery<QueryList<any>>()) && (ctx.template = tmp.first);
|
|
}
|
|
});
|
|
|
|
class Trigger {
|
|
// @Input()
|
|
trigger: any;
|
|
|
|
constructor(public vcr: ViewContainerRef) {}
|
|
|
|
open() { this.vcr.createEmbeddedView(this.trigger.template); }
|
|
|
|
static ngComponentDef = defineDirective({
|
|
type: Trigger,
|
|
selectors: [['', 'trigger', '']],
|
|
factory: () => triggerDir = new Trigger(directiveInject(ViewContainerRef as any)),
|
|
inputs: {trigger: 'trigger'}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* <button [trigger]="comp"></button>
|
|
* <comp #comp>
|
|
* Some content
|
|
* </comp>
|
|
*/
|
|
const App = createComponent('app', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
element(0, 'button', [AttributeMarker.Bindings, 'trigger']);
|
|
elementStart(1, 'comp', null, ['comp', '']);
|
|
{ text(3, 'Some content'); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const comp = reference(2);
|
|
elementProperty(0, 'trigger', bind(comp));
|
|
}
|
|
}, 4, 1, [Comp, Trigger]);
|
|
|
|
const fixture = new ComponentFixture(App);
|
|
expect(fixture.html).toEqual(`<button></button><comp></comp>`);
|
|
|
|
triggerDir.open();
|
|
expect(fixture.html).toEqual(`<button></button>Some content<comp></comp>`);
|
|
});
|
|
|
|
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) {
|
|
projectionDef();
|
|
elementStart(0, 'div');
|
|
{ projection(1); }
|
|
elementEnd();
|
|
elementStart(2, 'span');
|
|
{ projection(3); }
|
|
elementEnd();
|
|
}
|
|
}, 4);
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{ text(1, 'content'); }
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
projectionDef();
|
|
projection(0);
|
|
elementStart(1, 'div');
|
|
{ container(2); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(2);
|
|
{
|
|
if (ctx.show) {
|
|
let rf0 = embeddedViewStart(0, 1, 0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, 3);
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
childCmptInstance = getDirectiveOnNode(0);
|
|
text(1, 'content');
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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>');
|
|
});
|
|
|
|
// https://stackblitz.com/edit/angular-ceqmnw?file=src%2Fapp%2Fapp.component.ts
|
|
it('should project nodes into the last ng-content unrolled by ngFor', () => {
|
|
const items = [1, 2];
|
|
|
|
/**
|
|
<div *ngFor="let item of [1, 2]; let index = index">
|
|
({{index}}): <ng-content></ng-content>
|
|
</div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
{ template(0, ForTemplate, 3, 1, 'div', [AttributeMarker.Template, 'ngFor', 'ngForOf']); }
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(0, 'ngForOf', bind(items));
|
|
}
|
|
}, 1, 1, [NgForOf]);
|
|
|
|
function ForTemplate(rf1: RenderFlags, ctx: {index: number}) {
|
|
if (rf1 & RenderFlags.Create) {
|
|
elementStart(0, 'div');
|
|
text(1);
|
|
projection(2);
|
|
elementEnd();
|
|
}
|
|
if (rf1 & RenderFlags.Update) {
|
|
textBinding(1, interpolation1('(', ctx.index, '):'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{ text(1, 'content'); }
|
|
elementEnd();
|
|
}
|
|
}, 2, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>(0):</div><div>(1):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) {
|
|
projectionDef();
|
|
text(0, 'Before');
|
|
projection(1);
|
|
text(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) {
|
|
elementStart(0, 'projection-comp');
|
|
{
|
|
elementStart(1, 'div');
|
|
{ text(2, 'A'); }
|
|
elementEnd();
|
|
elementStart(3, 'p');
|
|
{ text(4, '123'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
elementStart(5, 'projection-comp');
|
|
{
|
|
elementStart(6, 'div');
|
|
{ text(7, 'B'); }
|
|
elementEnd();
|
|
elementStart(8, 'p');
|
|
{ text(9, '456'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
projectionDef();
|
|
text(0, 'Before');
|
|
projection(1);
|
|
text(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) {
|
|
projectionDef();
|
|
elementStart(0, 'projection-comp');
|
|
{
|
|
elementStart(1, 'div');
|
|
{ text(2, 'A'); }
|
|
elementEnd();
|
|
projection(3, 0);
|
|
elementStart(4, 'p');
|
|
{ text(5, '123'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
elementStart(6, 'projection-comp');
|
|
{
|
|
elementStart(7, 'div');
|
|
{ text(8, 'B'); }
|
|
elementEnd();
|
|
elementStart(9, 'p');
|
|
{ text(10, '456'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
elementStart(0, 'parent-comp');
|
|
{ text(1, '**ABC**'); }
|
|
elementEnd();
|
|
elementStart(2, 'parent-comp');
|
|
{ text(3, '**DEF**'); }
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
projectionDef();
|
|
projection(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) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementContainerStart(1);
|
|
{
|
|
elementContainerStart(2);
|
|
{ text(3, 'content'); }
|
|
elementContainerEnd();
|
|
}
|
|
elementContainerEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
projectionDef();
|
|
projection(0);
|
|
}
|
|
}, 1);
|
|
|
|
`<grand-child>
|
|
<ng-content></ng-content>
|
|
</grand-child>`;
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'grand-child');
|
|
{ projection(1); }
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementContainerStart(1);
|
|
{
|
|
elementContainerStart(2);
|
|
{ text(3, 'content'); }
|
|
elementContainerEnd();
|
|
}
|
|
elementContainerEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 4, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><grand-child>content</grand-child></child>');
|
|
});
|
|
|
|
it('should handle projected containers inside other containers', () => {
|
|
// <div>Child content</div>
|
|
const NestedComp = createComponent('nested-comp', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div');
|
|
text(1, 'Child content');
|
|
elementEnd();
|
|
}
|
|
}, 2, 0, []);
|
|
|
|
// <ng-content></ng-content>
|
|
const RootComp = createComponent('root-comp', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
projection(0);
|
|
}
|
|
}, 1, 0, []);
|
|
|
|
// <root-comp>
|
|
// <ng-container *ngFor="let item of items; last as last">
|
|
// <nested-comp *ngIf="!last"></nested-comp>
|
|
// </ng-container>
|
|
// </root-comp>
|
|
function MyApp_ng_container_1_child_comp_1_Template(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
element(0, 'nested-comp');
|
|
}
|
|
}
|
|
function MyApp_ng_container_1_Template(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementContainerStart(0);
|
|
template(
|
|
1, MyApp_ng_container_1_child_comp_1_Template, 1, 0, 'nested-comp',
|
|
[AttributeMarker.Template, 'ngIf']);
|
|
elementContainerEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
const last_r2 = ctx.last;
|
|
elementProperty(1, 'ngIf', bind(!last_r2));
|
|
}
|
|
}
|
|
let myAppInstance: MyApp;
|
|
class MyApp {
|
|
items = [1, 2];
|
|
|
|
static ngComponentDef = defineComponent({
|
|
type: MyApp,
|
|
selectors: [['', 'my-app', '']],
|
|
factory: () => myAppInstance = new MyApp(),
|
|
consts: 2,
|
|
vars: 1,
|
|
template: function MyApp_Template(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'root-comp');
|
|
template(
|
|
1, MyApp_ng_container_1_Template, 2, 1, 'ng-container',
|
|
[AttributeMarker.Template, 'ngFor', 'ngForOf']);
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(1, 'ngForOf', bind(ctx.items));
|
|
}
|
|
},
|
|
directives: [NgForOf, NgIf, NestedComp, RootComp]
|
|
});
|
|
}
|
|
const fixture = new ComponentFixture(MyApp);
|
|
fixture.update();
|
|
|
|
// expecting # of divs to be (items.length - 1), since last element is filtered out by *ngIf,
|
|
// this applies to all other assertions below
|
|
expect(fixture.hostElement.querySelectorAll('div').length).toBe(1);
|
|
|
|
myAppInstance !.items = [3, 4, 5];
|
|
fixture.update();
|
|
expect(fixture.hostElement.querySelectorAll('div').length).toBe(2);
|
|
|
|
myAppInstance !.items = [6, 7, 8, 9];
|
|
fixture.update();
|
|
expect(fixture.hostElement.querySelectorAll('div').length).toBe(3);
|
|
});
|
|
|
|
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) {
|
|
projectionDef(
|
|
[[['span', 'title', 'toFirst']], [['span', 'title', 'toSecond']]],
|
|
['span[title=toFirst]', 'span[title=toSecond]']);
|
|
elementStart(0, 'div', ['id', 'first']);
|
|
{ projection(1, 1); }
|
|
elementEnd();
|
|
elementStart(2, 'div', ['id', 'second']);
|
|
{ projection(3, 2); }
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'span', ['title', 'toFirst']);
|
|
{ text(2, '1'); }
|
|
elementEnd();
|
|
elementStart(3, 'span', ['title', 'toSecond']);
|
|
{ text(4, '2'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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>');
|
|
});
|
|
|
|
// https://stackblitz.com/edit/angular-psokum?file=src%2Fapp%2Fapp.module.ts
|
|
it('should project nodes where attribute selector matches a binding', () => {
|
|
/**
|
|
* <ng-content select="[title]"></ng-content>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef([[['', 'title', '']]], ['[title]']);
|
|
{ projection(0, 1); }
|
|
}
|
|
}, 1);
|
|
|
|
/**
|
|
* <child>
|
|
* <span [title]="'Some title'">Has title</span>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'span', [AttributeMarker.Bindings, 'title']);
|
|
{ text(2, 'Has title'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(1, 'title', bind('Some title'));
|
|
}
|
|
}, 3, 1, [Child]);
|
|
|
|
const fixture = new ComponentFixture(Parent);
|
|
expect(fixture.html).toEqual('<child><span title="Some title">Has title</span></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) {
|
|
projectionDef(
|
|
[
|
|
[['span', SelectorFlags.CLASS, 'toFirst']],
|
|
[['span', SelectorFlags.CLASS, 'toSecond']]
|
|
],
|
|
['span.toFirst', 'span.toSecond']);
|
|
elementStart(0, 'div', ['id', 'first']);
|
|
{ projection(1, 1); }
|
|
elementEnd();
|
|
elementStart(2, 'div', ['id', 'second']);
|
|
{ projection(3, 2); }
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'span', ['class', 'toFirst']);
|
|
{ text(2, '1'); }
|
|
elementEnd();
|
|
elementStart(3, 'span', ['class', 'toSecond']);
|
|
{ text(4, '2'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
projectionDef(
|
|
[
|
|
[['span', SelectorFlags.CLASS, 'toFirst']],
|
|
[['span', SelectorFlags.CLASS, 'toSecond']]
|
|
],
|
|
['span.toFirst', 'span.toSecond']);
|
|
elementStart(0, 'div', ['id', 'first']);
|
|
{ projection(1, 1); }
|
|
elementEnd();
|
|
elementStart(2, 'div', ['id', 'second']);
|
|
{ projection(3, 2); }
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'span', ['class', 'other toFirst']);
|
|
{ text(2, '1'); }
|
|
elementEnd();
|
|
elementStart(3, 'span', ['class', 'toSecond noise']);
|
|
{ text(4, '2'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
projectionDef(
|
|
[[['span']], [['span', SelectorFlags.CLASS, 'toSecond']]], ['span', 'span.toSecond']);
|
|
elementStart(0, 'div', ['id', 'first']);
|
|
{ projection(1, 1); }
|
|
elementEnd();
|
|
elementStart(2, 'div', ['id', 'second']);
|
|
{ projection(3, 2); }
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'span', ['class', 'toFirst']);
|
|
{ text(2, '1'); }
|
|
elementEnd();
|
|
elementStart(3, 'span', ['class', 'toSecond']);
|
|
{ text(4, '2'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
projectionDef([[['span', SelectorFlags.CLASS, 'toFirst']]], ['span.toFirst']);
|
|
elementStart(0, 'div', ['id', 'first']);
|
|
{ projection(1, 1); }
|
|
elementEnd();
|
|
elementStart(2, 'div', ['id', 'second']);
|
|
{ projection(3); }
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'span', ['class', 'toFirst']);
|
|
{ text(2, '1'); }
|
|
elementEnd();
|
|
elementStart(3, 'span');
|
|
{ text(4, 'remaining'); }
|
|
elementEnd();
|
|
text(5, 'more remaining');
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
projectionDef([[['span', SelectorFlags.CLASS, 'toSecond']]], ['span.toSecond']);
|
|
elementStart(0, 'div', ['id', 'first']);
|
|
{ projection(1); }
|
|
elementEnd();
|
|
elementStart(2, 'div', ['id', 'second']);
|
|
{ projection(3, 1); }
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'span');
|
|
{ text(2, '1'); }
|
|
elementEnd();
|
|
elementStart(3, 'span', ['class', 'toSecond']);
|
|
{ text(4, '2'); }
|
|
elementEnd();
|
|
text(5, 'remaining');
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
projectionDef([[['span']]], ['span']);
|
|
projection(0, 1);
|
|
element(1, 'hr');
|
|
projection(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) {
|
|
projectionDef();
|
|
elementStart(0, 'grand-child');
|
|
{
|
|
projection(1);
|
|
elementStart(2, 'span');
|
|
{ text(3, 'in child template'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 4, 0, [GrandChild]);
|
|
|
|
/**
|
|
* <child>
|
|
* <div>
|
|
* parent content
|
|
* </div>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'span');
|
|
{ text(2, 'parent content'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 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) {
|
|
projectionDef(
|
|
[[['', 'card-title', '']], [['', 'card-content', '']]],
|
|
['[card-title]', '[card-content]']);
|
|
projection(0, 1);
|
|
element(1, 'hr');
|
|
projection(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) {
|
|
projectionDef();
|
|
elementStart(0, 'card');
|
|
{
|
|
elementStart(1, 'h1', ['card-title', '']);
|
|
{ text(2, 'Title'); }
|
|
elementEnd();
|
|
projection(3, 0, ['card-content', '']);
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 4, 0, [Card]);
|
|
|
|
/**
|
|
* <card-with-title>
|
|
* content
|
|
* </card-with-title>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'card-with-title');
|
|
{ text(1, 'content'); }
|
|
elementEnd();
|
|
}
|
|
}, 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 support ngProjectAs on elements (including <ng-content>)', () => {
|
|
|
|
/**
|
|
* <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) {
|
|
projectionDef(
|
|
[[['', 'card-title', '']], [['', 'card-content', '']]],
|
|
['[card-title]', '[card-content]']);
|
|
projection(0, 1);
|
|
element(1, 'hr');
|
|
projection(2, 2);
|
|
}
|
|
}, 3);
|
|
|
|
/**
|
|
* <card>
|
|
* <h1 ngProjectAs="[card-title]>Title</h1>
|
|
* <ng-content ngProjectAs="[card-content]"></ng-content>
|
|
* </card>
|
|
*/
|
|
const CardWithTitle = createComponent('card-with-title', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'card');
|
|
{
|
|
elementStart(1, 'h1', ['ngProjectAs', '[card-title]']);
|
|
{ text(2, 'Title'); }
|
|
elementEnd();
|
|
projection(3, 0, ['ngProjectAs', '[card-content]']);
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 4, 0, [Card]);
|
|
|
|
/**
|
|
* <card-with-title>
|
|
* content
|
|
* </card-with-title>
|
|
*/
|
|
const App = createComponent('app', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'card-with-title');
|
|
{ text(1, 'content'); }
|
|
elementEnd();
|
|
}
|
|
}, 2, 0, [CardWithTitle]);
|
|
|
|
const app = renderComponent(App);
|
|
expect(toHtml(app))
|
|
.toEqual('<card-with-title><card><h1>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) {
|
|
projectionDef([[['div']]], ['div']);
|
|
projection(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) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'div', ['ngProjectAs', 'span']);
|
|
{ text(2, 'should not project'); }
|
|
elementEnd();
|
|
elementStart(3, 'div');
|
|
{ text(4, 'should project'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, 5, 0, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>should project</div></child>');
|
|
});
|
|
|
|
it('should match selectors against projected containers', () => {
|
|
|
|
/**
|
|
* <span>
|
|
* <ng-content select="div"></ng-content>
|
|
* </span>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef([[['div']]], ['div']);
|
|
elementStart(0, 'span');
|
|
{ projection(1, 1); }
|
|
elementEnd();
|
|
}
|
|
}, 2);
|
|
|
|
function IfTemplate(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'div');
|
|
{ text(1, 'content'); }
|
|
elementEnd();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* <child>
|
|
* <div *ngIf="value">content</div>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: {value: any}) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{ template(1, IfTemplate, 2, 0, 'div', [AttributeMarker.Template, 'ngIf']); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(1, 'ngIf', bind(ctx.value));
|
|
}
|
|
}, 2, 1, [Child, NgIf]);
|
|
|
|
|
|
const fixture = new ComponentFixture(Parent);
|
|
fixture.component.value = true;
|
|
fixture.update();
|
|
expect(fixture.html).toEqual('<child><span><div>content</div></span></child>');
|
|
});
|
|
|
|
});
|
|
|
|
});
|