本文整理匯總了TypeScript中rxjs.throwError函數的典型用法代碼示例。如果您正苦於以下問題：TypeScript throwError函數的具體用法？TypeScript throwError怎麽用？TypeScript throwError使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。
在下文中一共展示了throwError函數的10個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: catchError
catchError(err =>
throwError(new HttpException('Message', HttpStatus.BAD_GATEWAY)),示例2: catchError
catchError((err) => throwError(err))示例3: catchError
catchError(_ => throwError(new Error('Unable to get titles')))示例4: throwError
a: [() => throwError('err'), () => of(FIXTURE_RESULT)],示例5: flatMap
flatMap(value =>
typeof value !== 'number'
? throwError(`Value "${value}" is not a valid number.`)
: of(value)示例6: write
write(_path: Path, _content: virtualFs.FileBufferLike) {
return throwError(new Error('Not supported.'));
}示例7: rename
rename(_from: Path, _to: Path) {
return throwError(new Error('Not supported.'));
}示例8: it
it('should consume errors encountered when loading start form', () => {
getStartFormSpy.and.returnValue(throwError({}));
component.processDefinitionId = exampleId1;
component.ngOnInit();
});示例9: onInput
//.........這裏部分代碼省略.........
});
// We don't want to subscribe errors and complete.
subscriptions.push(run.progress.subscribe(event => progressChannel.next(event)));
return run;
},
async scheduleBuilder(
builderName: string,
options: json.JsonObject = {},
scheduleOptions: ScheduleOptions = {},
) {
const run = await scheduleByName(builderName, options, {
scheduler,
logger: scheduleOptions.logger || logger.createChild(''),
workspaceRoot: i.workspaceRoot,
currentDirectory: i.currentDirectory,
});
// We don't want to subscribe errors and complete.
subscriptions.push(run.progress.subscribe(event => progressChannel.next(event)));
return run;
},
async getTargetOptions(target: Target) {
return scheduler.schedule<Target, json.JsonValue, json.JsonObject>(
'..getTargetOptions', target).output.toPromise();
},
async getBuilderNameForTarget(target: Target) {
return scheduler.schedule<Target, json.JsonValue, string>(
'..getBuilderNameForTarget',
target,
).output.toPromise();
},
async validateOptions<T extends json.JsonObject = json.JsonObject>(
options: json.JsonObject,
builderName: string,
) {
return scheduler.schedule<[string, json.JsonObject], json.JsonValue, T>(
'..validateOptions',
[builderName, options],
).output.toPromise();
},
reportRunning() {
switch (currentState) {
case BuilderProgressState.Waiting:
case BuilderProgressState.Stopped:
progress({ state: BuilderProgressState.Running, current: 0, total }, context);
break;
}
},
reportStatus(status: string) {
switch (currentState) {
case BuilderProgressState.Running:
progress({ state: currentState, status, current, total }, context);
break;
case BuilderProgressState.Waiting:
progress({ state: currentState, status }, context);
break;
}
},
reportProgress(current: number, total?: number, status?: string) {
switch (currentState) {
case BuilderProgressState.Running:
progress({ state: currentState, current, total, status }, context);
}
},
analytics: new analytics.ForwardingAnalytics(report => analyticsChannel.next(report)),
addTeardown(teardown: () => (Promise<void> | void)): void {
teardownLogics.push(teardown);
},
};
context.reportRunning();
let result: BuilderOutputLike;
try {
result = fn(i.options as OptT, context);
} catch (e) {
result = throwError(e);
}
if (isPromise(result)) {
result = from(result);
} else if (!isObservable(result)) {
result = of(result);
}
// Manage some state automatically.
progress({ state: BuilderProgressState.Running, current: 0, total: 1 }, context);
subscriptions.push(result.pipe(
tap(() => {
progress({ state: BuilderProgressState.Running, current: total }, context);
progress({ state: BuilderProgressState.Stopped }, context);
}),
).subscribe(
message => observer.next(message as OutT),
error => observer.error(error),
() => observer.complete(),
));
}示例10: throwError
erroringService.addStudent.and.callFake(() => throwError('service error'));