5db84d7221
Previous commit change the logic to not rely on the `TViewNode` this change removes it entirely. PR Close #38707
97 lines
3.9 KiB
TypeScript
97 lines
3.9 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC 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 {addToViewTree, createLContainer, createLView, createTNode, createTView, getOrCreateTNode, refreshView, renderView} from '../../../src/render3/instructions/shared';
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import {ComponentTemplate, DirectiveDefList} from '../../../src/render3/interfaces/definition';
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import {TAttributes, TElementNode, TNodeType} from '../../../src/render3/interfaces/node';
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import {domRendererFactory3, RendererFactory3} from '../../../src/render3/interfaces/renderer';
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import {LView, LViewFlags, TVIEW, TView, TViewType} from '../../../src/render3/interfaces/view';
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import {insertView} from '../../../src/render3/node_manipulation';
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import {MicroBenchmarkRendererFactory} from './noop_renderer';
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const isBrowser = typeof process === 'undefined';
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const rendererFactory: RendererFactory3 =
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isBrowser ? domRendererFactory3 : new MicroBenchmarkRendererFactory;
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const renderer = rendererFactory.createRenderer(null, null);
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export function createAndRenderLView(
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parentLView: LView, tView: TView, hostTNode: TElementNode): LView {
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const embeddedLView = createLView(
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parentLView, tView, {}, LViewFlags.CheckAlways, null, hostTNode, rendererFactory, renderer,
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null, null);
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renderView(tView, embeddedLView, null);
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return embeddedLView;
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}
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export function setupRootViewWithEmbeddedViews(
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templateFn: ComponentTemplate<any>|null, decls: number, vars: number, noOfViews: number,
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embeddedViewContext: any = {}, consts: TAttributes[]|null = null,
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directiveRegistry: DirectiveDefList|null = null): LView {
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return setupTestHarness(
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templateFn, decls, vars, noOfViews, embeddedViewContext, consts, directiveRegistry)
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.hostLView;
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}
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export interface TestHarness {
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hostLView: LView;
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hostTView: TView;
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embeddedTView: TView;
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createEmbeddedLView(): LView;
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detectChanges(): void;
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}
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export function setupTestHarness(
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templateFn: ComponentTemplate<any>|null, decls: number, vars: number, noOfViews: number,
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embeddedViewContext: any = {}, consts: TAttributes[]|null = null,
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directiveRegistry: DirectiveDefList|null = null): TestHarness {
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// Create a root view with a container
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const hostTView = createTView(TViewType.Root, null, null, 1, 0, null, null, null, null, consts);
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const tContainerNode = getOrCreateTNode(hostTView, 0, TNodeType.Container, null, null);
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const hostNode = renderer.createElement('div');
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const hostLView = createLView(
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null, hostTView, {}, LViewFlags.CheckAlways | LViewFlags.IsRoot, hostNode, null,
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rendererFactory, renderer, null, null);
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const mockRCommentNode = renderer.createComment('');
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const lContainer =
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createLContainer(mockRCommentNode, hostLView, mockRCommentNode, tContainerNode);
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addToViewTree(hostLView, lContainer);
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// create test embedded views
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const embeddedTView = createTView(
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TViewType.Embedded, null, templateFn, decls, vars, directiveRegistry, null, null, null,
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consts);
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const viewTNode = createTNode(hostTView, null, TNodeType.Element, -1, null, null);
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function createEmbeddedLView(): LView {
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const embeddedLView = createLView(
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hostLView, embeddedTView, embeddedViewContext, LViewFlags.CheckAlways, null, viewTNode,
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rendererFactory, renderer, null, null);
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renderView(embeddedTView, embeddedLView, embeddedViewContext);
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return embeddedLView;
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}
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function detectChanges(): void {
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refreshView(hostTView, hostLView, hostTView.template, embeddedViewContext);
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}
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// create embedded views and add them to the container
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for (let i = 0; i < noOfViews; i++) {
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const lView = createEmbeddedLView();
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insertView(lView[TVIEW], lView, lContainer, i);
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}
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return {
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hostLView: hostLView,
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hostTView: hostTView,
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embeddedTView: embeddedTView,
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createEmbeddedLView: createEmbeddedLView,
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detectChanges: detectChanges,
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};
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}
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