TypeScript errors.getDebugContext函数代码示例

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本文整理汇总了TypeScript中@angular/core/src/errors.getDebugContext函数的典型用法代码示例。如果您正苦于以下问题：TypeScript getDebugContext函数的具体用法？TypeScript getDebugContext怎么用？TypeScript getDebugContext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getDebugContext函数的4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 report debug info on binding errors', () => {
        class QueryService {
          set a(value: any) { throw new Error('Test'); }
        }

        const {view} = createAndGetRootNodes(compViewDef([
          elementDef(NodeFlags.None, null, null, 3, 'div'),
          directiveDef(NodeFlags.None, null, 1, QueryService, []),
          queryDef(
              NodeFlags.TypeContentQuery | NodeFlags.DynamicQuery, someQueryId,
              {'a': QueryBindingType.All}),
          aServiceProvider(),
        ]));


        let err: any;
        try {
          Services.checkAndUpdateView(view);
        } catch (e) {
          err = e;
        }
        expect(err).toBeTruthy();
        expect(err.message).toBe('Test');
        const debugCtx = getDebugContext(err);
        expect(debugCtx.view).toBe(view);
        expect(debugCtx.nodeIndex).toBe(2);
      });

开发者ID:ballipongala，项目名称:angular，代码行数:27，代码来源:query_spec.ts

示例2: it

      it('should checkNoChanges', () => {
        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);
        Services.checkNoChangesView(view);

        const childView = Services.createEmbeddedView(view, view.def.nodes[3]);
        attachEmbeddedView(asElementData(view, 3), 0, childView);

        let err: any;
        try {
          Services.checkNoChangesView(view);
        } catch (e) {
          err = e;
        }
        expect(err).toBeTruthy();
        expect(err.message)
            .toBe(
                `ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked. Previous value: 'Query 1 not dirty'. Current value: 'Query 1 dirty'.`);
        const debugCtx = getDebugContext(err);
        expect(debugCtx.view).toBe(view);
        expect(debugCtx.nodeIndex).toBe(2);
      });

开发者ID:tolemac，项目名称:angular，代码行数:30，代码来源:query_spec.ts

示例3: it

        it('should report debug info on event errors', () => {
          const handleErrorSpy = spyOn(TestBed.get(ErrorHandler), 'handleError');
          const addListenerSpy = spyOn(HTMLElement.prototype, addEventListener).and.callThrough();
          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
              0, NodeFlags.None, null, null, 0, 'button', null, null, [[null !, 'click']],
              () => { throw new Error('Test'); })]));

          callMostRecentEventListenerHandler(addListenerSpy, 'SomeEvent');
          const err = handleErrorSpy.calls.mostRecent().args[0];
          expect(err).toBeTruthy();
          expect(err.message).toBe('Test');
          const debugCtx = getDebugContext(err);
          expect(debugCtx.view).toBe(view);
          expect(debugCtx.nodeIndex).toBe(0);
        });

开发者ID:AnthonyPAlicea，项目名称:angular，代码行数:15，代码来源:element_spec.ts

示例4: it

        it('should report debug info on event errors', () => {
          const addListenerSpy = spyOn(HTMLElement.prototype, 'addEventListener').and.callThrough();
          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
              NodeFlags.None, null, null, 0, 'button', null, null, [[null, 'click']],
              () => { throw new Error('Test'); })]));

          let err: any;
          try {
            addListenerSpy.calls.mostRecent().args[1]('SomeEvent');
          } catch (e) {
            err = e;
          }
          expect(err).toBeTruthy();
          expect(err.message).toBe('Test');
          const debugCtx = getDebugContext(err);
          expect(debugCtx.view).toBe(view);
          expect(debugCtx.nodeIndex).toBe(0);
        });

开发者ID:rlugojr，项目名称:angular，代码行数:18，代码来源:element_spec.ts

注：本文中的@angular/core/src/errors.getDebugContext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。