TypeScript index.asElementData函数代码示例

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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？那么恭喜您, 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，您的评价将有助于我们的系统推荐出更棒的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);
      });

开发者ID:tolemac，项目名称:angular，代码行数:26，代码来源:query_spec.ts

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);
    });

开发者ID:doxiaodong，项目名称:angular，代码行数:29，代码来源:embedded_view_spec.ts

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);
      });

开发者ID:ballipongala，项目名称:angular，代码行数:29，代码来源:query_spec.ts

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);
    });

开发者ID:AnthonyPAlicea，项目名称:angular，代码行数:25，代码来源:ng_content_spec.ts

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);
      });

开发者ID:rlugojr，项目名称:angular，代码行数:8，代码来源:services_spec.ts

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);
      });

开发者ID:JohnnyQQQQ，项目名称:angular，代码行数:12，代码来源:services_spec.ts

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();
      });

开发者ID:ox4，项目名称:angular，代码行数:28，代码来源:component_view_spec.ts

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();
                 });

开发者ID:rlugojr，项目名称:angular，代码行数:29，代码来源:component_view_spec.ts

注：本文中的@angular/core/src/view/index.asElementData函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。