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fix(common): introduce isObservable method (#14067)

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Closes #8848

PR Close #14067
This commit is contained in:
Dzmitry Shylovich
2017-01-23 20:48:04 +03:00
committed by Miško Hevery
parent fe441186e7
commit ff290af38c
7 changed files with 51 additions and 6 deletions
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4
modules/@angular/common/src/pipes/async_pipe.ts
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@ -8,7 +8,7 @@
import {ChangeDetectorRef, OnDestroy, Pipe, PipeTransform, WrappedValue} from '@angular/core';
import {EventEmitter, Observable} from '../facade/async';
import {isPromise} from '../private_import_core';
import {isObservable, isPromise} from '../private_import_core';
import {InvalidPipeArgumentError} from './invalid_pipe_argument_error';
interface SubscriptionStrategy {
@ -116,7 +116,7 @@ export class AsyncPipe implements OnDestroy, PipeTransform {
return _promiseStrategy;
}
if ((<any>obj).subscribe) {
if (isObservable(obj)) {
return _observableStrategy;
}

1
modules/@angular/common/src/private_import_core.ts
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@ -9,3 +9,4 @@
import {__core_private__ as r} from '@angular/core';
export const isPromise: typeof r.isPromise = r.isPromise;
export const isObservable: typeof r.isObservable = r.isObservable;