declare module Rx {
export interface Observer<T> {
/**
* Creates a notification callback from an observer.
* @returns The action that forwards its input notification to the underlying observer.
*/
toNotifier(): (notification: Notification<T>) => void;
/**
* Hides the identity of an observer.
* @returns An observer that hides the identity of the specified observer.
*/
asObserver(): Observer<T>;
/**
* Checks access to the observer for grammar violations. This includes checking for multiple OnError or OnCompleted calls, as well as reentrancy in any of the observer methods.
* If a violation is detected, an Error is thrown from the offending observer method call.
* @returns An observer that checks callbacks invocations against the observer grammar and, if the checks pass, forwards those to the specified observer.
*/
checked(): CheckedObserver<T>;
/**
* Schedules the invocation of observer methods on the given scheduler.
* @param {Scheduler} scheduler Scheduler to schedule observer messages on.
* @returns {Observer} Observer whose messages are scheduled on the given scheduler.
*/
notifyOn(scheduler: IScheduler): Observer<T>;
}
export interface ObserverStatic {
/**
* Creates an observer from a notification callback.
*
* @static
* @memberOf Observer
* @param {Function} handler Action that handles a notification.
* @returns The observer object that invokes the specified handler using a notification corresponding to each message it receives.
*/
fromNotifier<T>(handler: (notification: Notification<T>, thisArg?: any) => void): Observer<T>;
}
export interface Observable<T> {
/**
* Wraps the source sequence in order to run its observer callbacks on the specified scheduler.
*
* This only invokes observer callbacks on a scheduler. In case the subscription and/or unsubscription actions have side-effects
* that require to be run on a scheduler, use subscribeOn.
*
* @param {Scheduler} scheduler Scheduler to notify observers on.
* @returns {Observable} The source sequence whose observations happen on the specified scheduler.
*/
observeOn(scheduler: IScheduler): Observable<T>;
}
export interface Observable<T> {
/**
* Wraps the source sequence in order to run its subscription and unsubscription logic on the specified scheduler. This operation is not commonly used;
* see the remarks section for more information on the distinction between subscribeOn and observeOn.
* This only performs the side-effects of subscription and unsubscription on the specified scheduler. In order to invoke observer
* callbacks on a scheduler, use observeOn.
* @param {Scheduler} scheduler Scheduler to perform subscription and unsubscription actions on.
* @returns {Observable} The source sequence whose subscriptions and unsubscriptions happen on the specified scheduler.
*/
subscribeOn(scheduler: IScheduler): Observable<T>;
}
export interface ObservableStatic {
/**
* Generates an observable sequence by running a state-driven loop producing the sequence's elements, using the specified scheduler to send out observer messages.
*
* @example
* var res = Rx.Observable.generate(0, function (x) { return x < 10; }, function (x) { return x + 1; }, function (x) { return x; });
* var res = Rx.Observable.generate(0, function (x) { return x < 10; }, function (x) { return x + 1; }, function (x) { return x; }, Rx.Scheduler.timeout);
* @param {Mixed} initialState Initial state.
* @param {Function} condition Condition to terminate generation (upon returning false).
* @param {Function} iterate Iteration step function.
* @param {Function} resultSelector Selector function for results produced in the sequence.
* @param {Scheduler} [scheduler] Scheduler on which to run the generator loop. If not provided, defaults to Scheduler.currentThread.
* @returns {Observable} The generated sequence.
*/
generate<TState, TResult>(initialState: TState, condition: (state: TState) => boolean, iterate: (state: TState) => TState, resultSelector: (state: TState) => TResult, scheduler?: IScheduler): Observable<TResult>;
}
export interface ObservableStatic {
/**
* Constructs an observable sequence that depends on a resource object, whose lifetime is tied to the resulting observable sequence's lifetime.
* @param {Function} resourceFactory Factory function to obtain a resource object.
* @param {Function} observableFactory Factory function to obtain an observable sequence that depends on the obtained resource.
* @returns {Observable} An observable sequence whose lifetime controls the lifetime of the dependent resource object.
*/
using<TSource, TResource extends IDisposable>(resourceFactory: () => TResource, observableFactory: (resource: TResource) => Observable<TSource>): Observable<TSource>;
}
export interface Observable<T> {
/**
* Propagates the observable sequence or Promise that reacts first.
* @param {Observable} rightSource Second observable sequence or Promise.
* @returns {Observable} {Observable} An observable sequence that surfaces either of the given sequences, whichever reacted first.
*/
amb(observable: ObservableOrPromise<T>): Observable<T>;
}
export interface ObservableStatic {
/**
* Propagates the observable sequence or Promise that reacts first.
* @returns {Observable} An observable sequence that surfaces any of the given sequences, whichever reacted first.
*/
amb<T>(observables: ObservableOrPromise<T>[]): Observable<T>;
/**
* Propagates the observable sequence or Promise that reacts first.
* @returns {Observable} An observable sequence that surfaces any of the given sequences, whichever reacted first.
*/
amb<T>(...observables: ObservableOrPromise<T>[]): Observable<T>;
}
export interface Observable<T> {
/**
* Continues an observable sequence that is terminated normally or by an exception with the next observable sequence.
* @param {Observable} second Second observable sequence used to produce results after the first sequence terminates.
* @returns {Observable} An observable sequence that concatenates the first and second sequence, even if the first sequence terminates exceptionally.
*/
onErrorResumeNext(second: ObservableOrPromise<T>): Observable<T>;
}
export interface ObservableStatic {
/**
* Continues an observable sequence that is terminated normally or by an exception with the next observable sequence.
*
* @example
* 1 - res = Rx.Observable.onErrorResumeNext(xs, ys, zs);
* 1 - res = Rx.Observable.onErrorResumeNext([xs, ys, zs]);
* @returns {Observable} An observable sequence that concatenates the source sequences, even if a sequence terminates exceptionally.
*/
onErrorResumeNext<T>(...sources: ObservableOrPromise<T>[]): Observable<T>;
/**
* Continues an observable sequence that is terminated normally or by an exception with the next observable sequence.
*
* @example
* 1 - res = Rx.Observable.onErrorResumeNext(xs, ys, zs);
* 1 - res = Rx.Observable.onErrorResumeNext([xs, ys, zs]);
* @returns {Observable} An observable sequence that concatenates the source sequences, even if a sequence terminates exceptionally.
*/
onErrorResumeNext<T>(sources: ObservableOrPromise<T>[]): Observable<T>;
}
export interface Observable<T> {
/**
* Projects each element of an observable sequence into zero or more buffers which are produced based on element count information.
* @param {Number} count Length of each buffer.
* @param {Number} [skip] Number of elements to skip between creation of consecutive buffers. If not provided, defaults to the count.
* @returns {Observable} An observable sequence of buffers.
*/
bufferWithCount(count: number, skip?: number): Observable<T[]>;
}
export interface Observable<T> {
/**
* Projects each element of an observable sequence into zero or more windows which are produced based on element count information.
*
* var res = xs.windowWithCount(10);
* var res = xs.windowWithCount(10, 1);
* @param {Number} count Length of each window.
* @param {Number} [skip] Number of elements to skip between creation of consecutive windows. If not specified, defaults to the count.
* @returns {Observable} An observable sequence of windows.
*/
windowWithCount(count: number, skip?: number): Observable<Observable<T>>;
}
export interface Observable<T> {
/**
* Returns an array with the specified number of contiguous elements from the end of an observable sequence.
*
* @description
* This operator accumulates a buffer with a length enough to store count elements. Upon completion of the
* source sequence, this buffer is produced on the result sequence.
* @param {Number} count Number of elements to take from the end of the source sequence.
* @returns {Observable} An observable sequence containing a single array with the specified number of elements from the end of the source sequence.
*/
takeLastBuffer(count: number): Observable<T[]>;
}
export interface Observable<T> {
/**
* Returns the elements of the specified sequence or the specified value in a singleton sequence if the sequence is empty.
*
* var res = obs = xs.defaultIfEmpty();
* 2 - obs = xs.defaultIfEmpty(false);
*
* @memberOf Observable#
* @param defaultValue The value to return if the sequence is empty. If not provided, this defaults to null.
* @returns {Observable} An observable sequence that contains the specified default value if the source is empty; otherwise, the elements of the source itself.
*/
defaultIfEmpty(defaultValue?: T): Observable<T>;
}
export interface Observable<T> {
/**
* Returns an observable sequence that contains only distinct elements according to the keySelector and the comparer.
* Usage of this operator should be considered carefully due to the maintenance of an internal lookup structure which can grow large.
*
* @example
* var res = obs = xs.distinct();
* 2 - obs = xs.distinct(function (x) { return x.id; });
* 2 - obs = xs.distinct(function (x) { return x.id; }, function (a,b) { return a === b; });
* @param {Function} [keySelector] A function to compute the comparison key for each element.
* @param {Function} [comparer] Used to compare items in the collection.
* @returns {Observable} An observable sequence only containing the distinct elements, based on a computed key value, from the source sequence.
*/
distinct<TKey>(keySelector?: (value: T) => TKey, keySerializer?: (key: TKey) => string): Observable<T>;
}
export interface Observable<T> {
/**
* Returns an observable sequence that shares a single subscription to the underlying sequence. This observable sequence
* can be resubscribed to, even if all prior subscriptions have ended. (unlike `.publish().refCount()`)
* @returns {Observable} An observable sequence that contains the elements of a sequence produced by multicasting the source.
*/
singleInstance(): Observable<T>;
}
}
declare module "rx.lite.extras" { export = Rx; }