1797 lines
52 KiB
TypeScript
1797 lines
52 KiB
TypeScript
/**
|
|
* @license
|
|
* Copyright Google Inc. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
|
|
import {SelectorFlags} from '@angular/core/src/render3/interfaces/projection';
|
|
|
|
import {Input, TemplateRef, ViewContainerRef, ViewRef} from '../../src/core';
|
|
import {defineDirective} from '../../src/render3/definition';
|
|
import {injectTemplateRef, injectViewContainerRef} from '../../src/render3/di';
|
|
import {AttributeMarker, detectChanges} from '../../src/render3/index';
|
|
import {bind, container, containerRefreshEnd, containerRefreshStart, elementEnd, elementProperty, elementStart, embeddedViewEnd, embeddedViewStart, loadDirective, projection, projectionDef, text} from '../../src/render3/instructions';
|
|
import {RenderFlags} from '../../src/render3/interfaces/definition';
|
|
|
|
import {ComponentFixture, createComponent, renderComponent, toHtml} from './render_util';
|
|
|
|
describe('content projection', () => {
|
|
it('should project content', () => {
|
|
|
|
/**
|
|
* <div><ng-content></ng-content></div>
|
|
*/
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'div');
|
|
{ projection(1); }
|
|
elementEnd();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{ text(1, 'content'); }
|
|
elementEnd();
|
|
}
|
|
}, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>content</div></child>');
|
|
});
|
|
|
|
it('should project content when root.', () => {
|
|
/** <ng-content></ng-content> */
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
projection(0);
|
|
}
|
|
});
|
|
|
|
/** <child>content</child> */
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{ text(1, 'content'); }
|
|
elementEnd();
|
|
}
|
|
}, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child>content</child>');
|
|
});
|
|
|
|
it('should project content with siblings', () => {
|
|
/** <ng-content></ng-content> */
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
projection(0);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>
|
|
* before
|
|
* <div>content</div>
|
|
* after
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
text(1, 'before');
|
|
elementStart(2, 'div');
|
|
{ text(3, 'content'); }
|
|
elementEnd();
|
|
text(4, 'after');
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child>before<div>content</div>after</child>');
|
|
});
|
|
|
|
it('should re-project content when root.', () => {
|
|
/** <div><ng-content></ng-content></div> */
|
|
const GrandChild = createComponent('grand-child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'div');
|
|
{ projection(1); }
|
|
elementEnd();
|
|
}
|
|
});
|
|
|
|
/** <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();
|
|
}
|
|
}, [GrandChild]);
|
|
|
|
/** <child><b>Hello</b>World!</child> */
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'b');
|
|
text(2, 'Hello');
|
|
elementEnd();
|
|
text(3, 'World!');
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent))
|
|
.toEqual('<child><grand-child><div><b>Hello</b>World!</div></grand-child></child>');
|
|
});
|
|
|
|
it('should project components', () => {
|
|
|
|
/** <div><ng-content></ng-content></div> */
|
|
const Child = createComponent('child', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'div');
|
|
{ projection(1); }
|
|
elementEnd();
|
|
}
|
|
});
|
|
|
|
const ProjectedComp = createComponent('projected-comp', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
text(0, 'content');
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>
|
|
* <projected-comp></projected-comp>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'projected-comp');
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, [Child, ProjectedComp]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent))
|
|
.toEqual('<child><div><projected-comp>content</projected-comp></div></child>');
|
|
});
|
|
|
|
it('should project components that have their own projection', () => {
|
|
/** <div><ng-content></ng-content></div> */
|
|
const Child = createComponent('child', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'div');
|
|
{ projection(1); }
|
|
elementEnd();
|
|
}
|
|
});
|
|
|
|
/** <p><ng-content></ng-content></p> */
|
|
const ProjectedComp = createComponent('projected-comp', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'p');
|
|
projection(1);
|
|
elementEnd();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>
|
|
* <projected-comp>
|
|
* <div> Some content </div>
|
|
* Other content
|
|
* </projected-comp>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', (rf: RenderFlags, ctx: any) => {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'projected-comp');
|
|
{
|
|
elementStart(2, 'div');
|
|
text(3, 'Some content');
|
|
elementEnd();
|
|
text(4, 'Other content');
|
|
}
|
|
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, [Child, ProjectedComp]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent))
|
|
.toEqual(
|
|
'<child><div><projected-comp><p><div>Some content</div>Other content</p></projected-comp></div></child>');
|
|
});
|
|
|
|
it('should project containers', () => {
|
|
/** <div> <ng-content></ng-content></div> */
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'div');
|
|
{ projection(1); }
|
|
elementEnd();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>
|
|
* (
|
|
* % if (value) {
|
|
* content
|
|
* % }
|
|
* )
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: {value: any}) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
text(1, '(');
|
|
container(2);
|
|
text(3, ')');
|
|
}
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(2);
|
|
{
|
|
if (ctx.value) {
|
|
let rf0 = embeddedViewStart(0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
text(0, 'content');
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>()</div></child>');
|
|
parent.value = true;
|
|
detectChanges(parent);
|
|
|
|
expect(toHtml(parent)).toEqual('<child><div>(content)</div></child>');
|
|
parent.value = false;
|
|
detectChanges(parent);
|
|
|
|
expect(toHtml(parent)).toEqual('<child><div>()</div></child>');
|
|
});
|
|
|
|
it('should project containers into root', () => {
|
|
/** <ng-content></ng-content> */
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
projection(0);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>
|
|
* % if (value) {
|
|
* content
|
|
* % }
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: {value: any}) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{ container(1); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(1);
|
|
{
|
|
if (ctx.value) {
|
|
let rf0 = embeddedViewStart(0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
text(0, 'content');
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child></child>');
|
|
|
|
parent.value = true;
|
|
detectChanges(parent);
|
|
expect(toHtml(parent)).toEqual('<child>content</child>');
|
|
|
|
parent.value = false;
|
|
detectChanges(parent);
|
|
expect(toHtml(parent)).toEqual('<child></child>');
|
|
});
|
|
|
|
it('should project containers with if-else.', () => {
|
|
/** <div><ng-content></ng-content></div> */
|
|
const Child = createComponent('child', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
projectionDef();
|
|
elementStart(0, 'div');
|
|
{ projection(1); }
|
|
elementEnd();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>
|
|
* (
|
|
* % if (value) {
|
|
* content
|
|
* % } else {
|
|
* else
|
|
* % }
|
|
* )
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: {value: any}) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
text(1, '(');
|
|
container(2);
|
|
text(3, ')');
|
|
}
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(2);
|
|
{
|
|
if (ctx.value) {
|
|
let rf0 = embeddedViewStart(0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
text(0, 'content');
|
|
}
|
|
embeddedViewEnd();
|
|
} else {
|
|
if (embeddedViewStart(1)) {
|
|
text(0, 'else');
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>(else)</div></child>');
|
|
parent.value = true;
|
|
detectChanges(parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>(content)</div></child>');
|
|
parent.value = false;
|
|
detectChanges(parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>(else)</div></child>');
|
|
});
|
|
|
|
it('should support projection into embedded views', () => {
|
|
let childCmptInstance: any;
|
|
|
|
/**
|
|
* <div>
|
|
* % if (!skipContent) {
|
|
* <span>
|
|
* <ng-content></ng-content>
|
|
* </span>
|
|
* % }
|
|
* </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);
|
|
if (rf0 & RenderFlags.Create) {
|
|
elementStart(0, 'span');
|
|
projection(1);
|
|
elementEnd();
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>
|
|
* <div>text</div>
|
|
* content
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
elementStart(1, 'div');
|
|
{ text(2, 'text'); }
|
|
elementEnd();
|
|
text(3, 'content');
|
|
}
|
|
elementEnd();
|
|
|
|
// testing
|
|
childCmptInstance = loadDirective(0);
|
|
}
|
|
}, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div><span><div>text</div>content</span></div></child>');
|
|
|
|
childCmptInstance.skipContent = true;
|
|
detectChanges(parent);
|
|
expect(toHtml(parent)).toEqual('<child><div></div></child>');
|
|
});
|
|
|
|
it('should support projection into embedded views when no projected nodes', () => {
|
|
let childCmptInstance: any;
|
|
|
|
/**
|
|
* <div>
|
|
* % if (!skipContent) {
|
|
* <ng-content></ng-content>
|
|
* text
|
|
* % }
|
|
* </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);
|
|
if (rf0 & RenderFlags.Create) {
|
|
projection(0);
|
|
text(1, 'text');
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
});
|
|
|
|
/** <child></child> */
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
elementEnd();
|
|
|
|
// testing
|
|
childCmptInstance = loadDirective(0);
|
|
}
|
|
}, [Child]);
|
|
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><div>text</div></child>');
|
|
|
|
childCmptInstance.skipContent = true;
|
|
detectChanges(parent);
|
|
expect(toHtml(parent)).toEqual('<child><div></div></child>');
|
|
});
|
|
|
|
it('should support projection into embedded views when ng-content is a root node of an embedded view',
|
|
() => {
|
|
let childCmptInstance: any;
|
|
|
|
/**
|
|
* <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);
|
|
if (rf0 & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
childCmptInstance = loadDirective(0);
|
|
text(1, 'content');
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, [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);
|
|
if (rf0 & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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);
|
|
if (rf0 & RenderFlags.Create) {
|
|
text(0, 'content');
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, [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);
|
|
if (rf0 & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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);
|
|
if (rf0 & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, [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 = loadDirective(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);
|
|
if (rf0 & RenderFlags.Create) {
|
|
text(0, 'before-');
|
|
projection(1);
|
|
text(2, '-after');
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
childCmptInstance = loadDirective(0);
|
|
text(1, 'content');
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, [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)', () => {
|
|
class NgIf {
|
|
constructor(public vcr: ViewContainerRef, public template: TemplateRef<any>) {}
|
|
|
|
@Input()
|
|
set ngIf(value: boolean) {
|
|
value ? this.vcr.createEmbeddedView(this.template) : this.vcr.clear();
|
|
}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: NgIf,
|
|
selectors: [['', 'ngIf', '']],
|
|
inputs: {'ngIf': 'ngIf'},
|
|
factory: () => new NgIf(injectViewContainerRef(), injectTemplateRef())
|
|
});
|
|
}
|
|
|
|
/**
|
|
* 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-');
|
|
container(1, IfTemplate, '', [AttributeMarker.SelectOnly, 'ngIf']);
|
|
text(2, '-After');
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(1, 'ngIf', bind(ctx.showing));
|
|
}
|
|
|
|
function IfTemplate(rf1: RenderFlags, ctx1: any) {
|
|
if (rf1 & RenderFlags.Create) {
|
|
projectionDef();
|
|
projection(0);
|
|
}
|
|
}
|
|
}, [NgIf]);
|
|
|
|
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 = loadDirective(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)', () => {
|
|
class NgIf {
|
|
constructor(public vcr: ViewContainerRef, public template: TemplateRef<any>) {}
|
|
|
|
@Input()
|
|
set ngIf(value: boolean) {
|
|
if (value) {
|
|
const viewRef = this.template.createEmbeddedView({});
|
|
this.vcr.insert(viewRef);
|
|
} else {
|
|
this.vcr.clear();
|
|
}
|
|
}
|
|
|
|
static ngDirectiveDef = defineDirective({
|
|
type: NgIf,
|
|
selectors: [['', 'ngIf', '']],
|
|
inputs: {'ngIf': 'ngIf'},
|
|
factory: () => new NgIf(injectViewContainerRef(), injectTemplateRef())
|
|
});
|
|
}
|
|
|
|
/**
|
|
* 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-');
|
|
container(1, IfTemplate, '', [AttributeMarker.SelectOnly, 'ngIf']);
|
|
text(2, '-After');
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(1, 'ngIf', bind(ctx.showing));
|
|
}
|
|
|
|
function IfTemplate(rf1: RenderFlags, ctx1: any) {
|
|
if (rf1 & RenderFlags.Create) {
|
|
projectionDef();
|
|
projection(0);
|
|
}
|
|
}
|
|
}, [NgIf]);
|
|
|
|
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 = loadDirective(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 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();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{ text(1, 'content'); }
|
|
elementEnd();
|
|
}
|
|
}, [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 behaviour:
|
|
* 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);
|
|
if (rf0 & RenderFlags.Create) {
|
|
projection(0);
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>content</child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: any) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{
|
|
childCmptInstance = loadDirective(0);
|
|
text(1, 'content');
|
|
}
|
|
elementEnd();
|
|
}
|
|
}, [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) {
|
|
projectionDef();
|
|
text(0, 'Before');
|
|
projection(1);
|
|
text(2, 'After');
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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');
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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();
|
|
}
|
|
}, [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>');
|
|
});
|
|
|
|
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();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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); }
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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.SelectOnly, 'title']);
|
|
{ text(2, 'Has title'); }
|
|
elementEnd();
|
|
}
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
elementProperty(1, 'title', bind('Some title'));
|
|
}
|
|
}, [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();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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);
|
|
elementStart(1, 'hr');
|
|
elementEnd();
|
|
projection(2);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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();
|
|
}
|
|
}, [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);
|
|
elementStart(1, 'hr');
|
|
elementEnd();
|
|
projection(2, 2);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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();
|
|
}
|
|
}, [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);
|
|
elementStart(1, 'hr');
|
|
elementEnd();
|
|
projection(2, 2);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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();
|
|
}
|
|
}, [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);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <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();
|
|
}
|
|
}, [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();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* <child>
|
|
* <div *ngIf="true">content</div>
|
|
* </child>
|
|
*/
|
|
const Parent = createComponent('parent', function(rf: RenderFlags, ctx: {value: any}) {
|
|
if (rf & RenderFlags.Create) {
|
|
elementStart(0, 'child');
|
|
{ container(1, undefined, 'div'); }
|
|
elementEnd();
|
|
}
|
|
if (rf & RenderFlags.Update) {
|
|
containerRefreshStart(1);
|
|
{
|
|
if (true) {
|
|
let rf0 = embeddedViewStart(0);
|
|
if (rf0 & RenderFlags.Create) {
|
|
elementStart(0, 'div');
|
|
{ text(1, 'content'); }
|
|
elementEnd();
|
|
}
|
|
embeddedViewEnd();
|
|
}
|
|
}
|
|
containerRefreshEnd();
|
|
}
|
|
}, [Child]);
|
|
const parent = renderComponent(Parent);
|
|
expect(toHtml(parent)).toEqual('<child><span><div>content</div></span></child>');
|
|
});
|
|
|
|
});
|
|
|
|
});
|