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);
});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);
});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);
});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);
});