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- "use strict";
- var __extends = (this && this.__extends) || function (d, b) {
- for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
- var OuterSubscriber_1 = require('../OuterSubscriber');
- var subscribeToResult_1 = require('../util/subscribeToResult');
- /**
- * Buffers the source Observable values until `closingNotifier` emits.
- *
- * <span class="informal">Collects values from the past as an array, and emits
- * that array only when another Observable emits.</span>
- *
- * <img src="./img/buffer.png" width="100%">
- *
- * Buffers the incoming Observable values until the given `closingNotifier`
- * Observable emits a value, at which point it emits the buffer on the output
- * Observable and starts a new buffer internally, awaiting the next time
- * `closingNotifier` emits.
- *
- * @example <caption>On every click, emit array of most recent interval events</caption>
- * var clicks = Rx.Observable.fromEvent(document, 'click');
- * var interval = Rx.Observable.interval(1000);
- * var buffered = interval.buffer(clicks);
- * buffered.subscribe(x => console.log(x));
- *
- * @see {@link bufferCount}
- * @see {@link bufferTime}
- * @see {@link bufferToggle}
- * @see {@link bufferWhen}
- * @see {@link window}
- *
- * @param {Observable<any>} closingNotifier An Observable that signals the
- * buffer to be emitted on the output Observable.
- * @return {Observable<T[]>} An Observable of buffers, which are arrays of
- * values.
- * @method buffer
- * @owner Observable
- */
- function buffer(closingNotifier) {
- return function bufferOperatorFunction(source) {
- return source.lift(new BufferOperator(closingNotifier));
- };
- }
- exports.buffer = buffer;
- var BufferOperator = (function () {
- function BufferOperator(closingNotifier) {
- this.closingNotifier = closingNotifier;
- }
- BufferOperator.prototype.call = function (subscriber, source) {
- return source.subscribe(new BufferSubscriber(subscriber, this.closingNotifier));
- };
- return BufferOperator;
- }());
- /**
- * We need this JSDoc comment for affecting ESDoc.
- * @ignore
- * @extends {Ignored}
- */
- var BufferSubscriber = (function (_super) {
- __extends(BufferSubscriber, _super);
- function BufferSubscriber(destination, closingNotifier) {
- _super.call(this, destination);
- this.buffer = [];
- this.add(subscribeToResult_1.subscribeToResult(this, closingNotifier));
- }
- BufferSubscriber.prototype._next = function (value) {
- this.buffer.push(value);
- };
- BufferSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
- var buffer = this.buffer;
- this.buffer = [];
- this.destination.next(buffer);
- };
- return BufferSubscriber;
- }(OuterSubscriber_1.OuterSubscriber));
- //# sourceMappingURL=buffer.js.map
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