angular-cn/packages/core/test/render3/perf/setup.ts

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import {addToViewTree, createLContainer, createLView, createTNode, createTView, getOrCreateTNode, renderView} from '../../../src/render3/instructions/shared';
import {ComponentTemplate} from '../../../src/render3/interfaces/definition';
import {TNodeType, TViewNode} from '../../../src/render3/interfaces/node';
import {RComment} from '../../../src/render3/interfaces/renderer';
import {LView, LViewFlags} from '../../../src/render3/interfaces/view';
import {insertView} from '../../../src/render3/node_manipulation';
import {NoopRenderer, NoopRendererFactory, WebWorkerRenderNode} from './noop_renderer';
export function setupRootViewWithEmbeddedViews(
templateFn: ComponentTemplate<any>| null, consts: number, vars: number,
noOfViews: number): LView {
// Create a root view with a container
const rootTView = createTView(-1, null, 1, 0, null, null, null, null);
const tContainerNode = getOrCreateTNode(rootTView, null, 0, TNodeType.Container, null, null);
const rootLView = createLView(
null, rootTView, {}, LViewFlags.CheckAlways | LViewFlags.IsRoot, null, null,
new NoopRendererFactory(), new NoopRenderer());
const mockRNode = new WebWorkerRenderNode();
const lContainer = createLContainer(
mockRNode as RComment, rootLView, mockRNode as RComment, tContainerNode, true);
addToViewTree(rootLView, lContainer);
// create test embedded views
const embeddedTView = createTView(-1, templateFn, consts, vars, null, null, null, null);
const viewTNode = createTNode(rootTView, null, TNodeType.View, -1, null, null) as TViewNode;
// create embedded views and add them to the container
for (let i = 0; i < noOfViews; i++) {
const embeddedLView = createLView(
rootLView, embeddedTView, {}, LViewFlags.CheckAlways, null, viewTNode,
new NoopRendererFactory(), new NoopRenderer());
renderView(embeddedLView, embeddedTView, null);
insertView(embeddedLView, lContainer, i);
}
// run in the creation mode to set flags etc.
renderView(rootLView, rootTView, null);
return rootLView;
}