本文整理汇总了TypeScript中@angular/core/src/view/index.asElementData函数的典型用法代码示例。如果您正苦于以下问题：TypeScript asElementData函数的具体用法？TypeScript asElementData怎么用？TypeScript asElementData使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了asElementData函数的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: it
it('should update content queries if embedded views are added or removed', () => {
const {view} = createAndGetRootNodes(compViewDef([
elementDef(NodeFlags.None, null, null, 3, 'div'),
...contentQueryProviders(),
anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
elementDef(NodeFlags.None, null, null, 1, 'div'),
aServiceProvider(),
])),
]));
Services.checkAndUpdateView(view);
const qs: QueryService = asProviderData(view, 1).instance;
expect(qs.a.length).toBe(0);
const childView = Services.createEmbeddedView(view, view.def.nodes[3]);
attachEmbeddedView(asElementData(view, 3), 0, childView);
Services.checkAndUpdateView(view);
expect(qs.a.length).toBe(1);
detachEmbeddedView(asElementData(view, 3), 0);
Services.checkAndUpdateView(view);
expect(qs.a.length).toBe(0);
});示例2: it
it('should attach and detach embedded views', () => {
const {view: parentView, rootNodes} = createAndGetRootNodes(compViewDef([
elementDef(NodeFlags.None, null, null, 2, 'div'),
anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
elementDef(NodeFlags.None, null, null, 0, 'span', {'name': 'child0'})
])),
anchorDef(NodeFlags.None, null, null, 0, embeddedViewDef([
elementDef(NodeFlags.None, null, null, 0, 'span', {'name': 'child1'})
]))
]));
const childView0 = createEmbeddedView(parentView, parentView.def.nodes[1]);
const childView1 = createEmbeddedView(parentView, parentView.def.nodes[2]);
const rootChildren = getDOM().childNodes(rootNodes[0]);
attachEmbeddedView(asElementData(parentView, 1), 0, childView0);
attachEmbeddedView(asElementData(parentView, 1), 1, childView1);
// 2 anchors + 2 elements
expect(rootChildren.length).toBe(4);
expect(getDOM().getAttribute(rootChildren[1], 'name')).toBe('child0');
expect(getDOM().getAttribute(rootChildren[2], 'name')).toBe('child1');
detachEmbeddedView(asElementData(parentView, 1), 1);
detachEmbeddedView(asElementData(parentView, 1), 0);
expect(getDOM().childNodes(rootNodes[0]).length).toBe(2);
});示例3: it
it('should update view queries if embedded views are added or removed', () => {
const {view} = createAndGetRootNodes(compViewDef([
...compViewQueryProviders(
0,
[
anchorDef(NodeFlags.EmbeddedViews, null, null, 0, null, embeddedViewDef([
elementDef(NodeFlags.None, null, null, 1, 'div'),
aServiceProvider(),
])),
]),
]));
Services.checkAndUpdateView(view);
const comp: QueryService = asProviderData(view, 1).instance;
expect(comp.a.length).toBe(0);
const compView = asElementData(view, 0).componentView;
const childView = Services.createEmbeddedView(compView, compView.def.nodes[1]);
attachEmbeddedView(view, asElementData(compView, 1), 0, childView);
Services.checkAndUpdateView(view);
expect(comp.a.length).toBe(1);
detachEmbeddedView(asElementData(compView, 1), 0);
Services.checkAndUpdateView(view);
expect(comp.a.length).toBe(0);
});示例4: it
it('should include projected nodes when attaching / detaching embedded views', () => {
const {view, rootNodes} =
createAndGetRootNodes(compViewDef(hostElDef(0, [textDef(2, 0, ['a'])], [
elementDef(0, NodeFlags.None, null, null, 1, 'div'),
anchorDef(NodeFlags.EmbeddedViews, null, 0, 0, null, compViewDefFactory([
ngContentDef(null, 0),
// The anchor would be added by the compiler after the ngContent
anchorDef(NodeFlags.None, null, null, 0),
])),
])));
const componentView = asElementData(view, 0).componentView;
const rf = componentView.root.rendererFactory;
const view0 = createEmbeddedView(componentView, componentView.def.nodes[1]);
attachEmbeddedView(view, asElementData(componentView, 1), 0, view0);
expect(getDOM().childNodes(getDOM().firstChild(rootNodes[0])).length).toBe(3);
expect(getDOM().childNodes(getDOM().firstChild(rootNodes[0]))[1])
.toBe(asTextData(view, 2).renderText);
rf.begin !();
detachEmbeddedView(asElementData(componentView, 1), 0);
rf.end !();
expect(getDOM().childNodes(getDOM().firstChild(rootNodes[0])).length).toBe(1);
});示例5: it
it('should provide data for other nodes based on the nearest element parent', () => {
const view = createViewWithData();
const compView = asElementData(view, 0).componentView;
const debugCtx = Services.createDebugContext(compView, 1);
expect(debugCtx.renderNode).toBe(asElementData(compView, 0).renderElement);
});示例6: it
it('should provide data for text nodes', () => {
const view = createViewWithData();
const compView = asElementData(view, 0).componentView;
const debugCtx = Services.createDebugContext(compView, 2);
expect(debugCtx.componentRenderElement).toBe(asElementData(view, 0).renderElement);
expect(debugCtx.renderNode).toBe(asTextData(compView, 2).renderText);
expect(debugCtx.injector.get(AComp)).toBe(compView.component);
expect(debugCtx.component).toBe(compView.component);
expect(debugCtx.context).toBe(compView.context);
});示例7: it
it('should not stop dirty checking views that threw errors in change detection', () => {
class AComp {
a: any;
}
const update = jasmine.createSpy('updater');
const {view, rootNodes} = createAndGetRootNodes(compViewDef([
elementDef(NodeFlags.None, null!, null!, 1, 'div', null!, null!, null!, null!, () => compViewDef(
[
elementDef(NodeFlags.None, null!, null!, 0, 'span', null!, [[BindingFlags.TypeElementAttribute, 'a', SecurityContext.NONE]]),
],
null!, update)),
directiveDef(
NodeFlags.Component, null!, 0, AComp, [], null!, null!,
),
]));
const compView = asElementData(view, 0).componentView;
update.and.callFake((check: NodeCheckFn, view: ViewData) => { throw new Error('Test'); });
expect(() => Services.checkAndUpdateView(view)).toThrowError('Test');
expect(update).toHaveBeenCalled();
update.calls.reset();
expect(() => Services.checkAndUpdateView(view)).toThrowError('Test');
expect(update).toHaveBeenCalled();
});示例8: createAndGetRootNodes
() => {
class AComp {
a: any;
}
const update = jasmine.createSpy('updater');
const {view, rootNodes} = createAndGetRootNodes(compViewDef([
elementDef(NodeFlags.None, null, null, 1, 'div', null, null, null, null, () => compViewDef(
[
elementDef(NodeFlags.None, null, null, 0, 'span', null, [[BindingType.ElementAttribute, 'a', SecurityContext.NONE]]),
],
null, update)),
directiveDef(
NodeFlags.IsComponent, null, 0, AComp, [], null, null,
),
]));
const compView = asElementData(view, 0).componentView;
update.and.callFake(
(check: NodeCheckFn, view: ViewData) => { throw new Error('Test'); });
expect(() => Services.checkAndUpdateView(view)).toThrowError('Test');
expect(update).toHaveBeenCalled();
update.calls.reset();
Services.checkAndUpdateView(view);
expect(update).not.toHaveBeenCalled();
});