TypeScript index.createEmbeddedView函数代码示例

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本文整理汇总了TypeScript中@angular/core/src/view/index.createEmbeddedView函数的典型用法代码示例。如果您正苦于以下问题：TypeScript createEmbeddedView函数的具体用法？TypeScript createEmbeddedView怎么用？TypeScript createEmbeddedView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createEmbeddedView函数的3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 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2: it

    it('should dirty check embedded views', () => {
      let childValue = 'v1';
      const parentContext = new Object();
      const childContext = new Object();
      const updater = jasmine.createSpy('updater').and.callFake(
          (updater: NodeUpdater, view: ViewData) => updater.checkInline(view, 0, childValue));

      const {view: parentView, rootNodes} = createAndGetRootNodes(
          compViewDef([
            elementDef(NodeFlags.None, 1, 'div'),
            anchorDef(
                NodeFlags.HasEmbeddedViews, 0,
                embeddedViewDef(
                    [elementDef(
                        NodeFlags.None, 0, 'span', null,
                        [[BindingType.ElementAttribute, 'name', SecurityContext.NONE]])],
                    updater))
          ]),
          parentContext);

      const childView0 = createEmbeddedView(parentView, parentView.def.nodes[1], childContext);

      const rootEl = rootNodes[0];
      attachEmbeddedView(parentView.nodes[1], 0, childView0);

      checkAndUpdateView(parentView);

      expect(updater).toHaveBeenCalled();
      // component
      expect(updater.calls.mostRecent().args[2]).toBe(parentContext);
      // view context
      expect(updater.calls.mostRecent().args[3]).toBe(childContext);

      updater.calls.reset();
      checkNoChangesView(parentView);

      expect(updater).toHaveBeenCalled();
      // component
      expect(updater.calls.mostRecent().args[2]).toBe(parentContext);
      // view context
      expect(updater.calls.mostRecent().args[3]).toBe(childContext);

      childValue = 'v2';
      expect(() => checkNoChangesView(parentView))
          .toThrowError(
              `Expression has changed after it was checked. Previous value: 'v1'. Current value: 'v2'.`);
    });

开发者ID:JSMike，项目名称:angular，代码行数:47，代码来源:embedded_view_spec.ts

示例3: it

    it('should include projected nodes when attaching / detaching embedded views', () => {
      const {view, rootNodes} = createAndGetRootNodes(compViewDef(hostElDef([textDef(0, ['a'])], [
        elementDef(NodeFlags.None, null, null, 1, 'div'),
        anchorDef(NodeFlags.HasEmbeddedViews, null, 0, 0, embeddedViewDef([ngContentDef(null, 0)])),
      ])));

      const componentView = asProviderData(view, 1).componentView;
      const view0 = createEmbeddedView(componentView, componentView.def.nodes[1]);

      attachEmbeddedView(asElementData(componentView, 1), 0, view0);
      expect(getDOM().childNodes(getDOM().firstChild(rootNodes[0])).length).toBe(2);
      expect(getDOM().childNodes(getDOM().firstChild(rootNodes[0]))[1])
          .toBe(asTextData(view, 2).renderText);

      detachEmbeddedView(asElementData(componentView, 1), 0);
      expect(getDOM().childNodes(getDOM().firstChild(rootNodes[0])).length).toBe(1);
    });

开发者ID:doxiaodong，项目名称:angular，代码行数:17，代码来源:ng_content_spec.ts

注：本文中的@angular/core/src/view/index.createEmbeddedView函数示例整理自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。