ZipCoin-RED/ZipCoinRedIonicClient/node_modules/rxjs/_esm5/operator/bufferWhen.js

/** PURE_IMPORTS_START .._operators_bufferWhen PURE_IMPORTS_END */
import { bufferWhen as higherOrder } from '../operators/bufferWhen';
/**
 * Buffers the source Observable values, using a factory function of closing
 * Observables to determine when to close, emit, and reset the buffer.
 *
 * <span class="informal">Collects values from the past as an array. When it
 * starts collecting values, it calls a function that returns an Observable that
 * tells when to close the buffer and restart collecting.</span>
 *
 * <img src="./img/bufferWhen.png" width="100%">
 *
 * Opens a buffer immediately, then closes the buffer when the observable
 * returned by calling `closingSelector` function emits a value. When it closes
 * the buffer, it immediately opens a new buffer and repeats the process.
 *
 * @example <caption>Emit an array of the last clicks every [1-5] random seconds</caption>
 * var clicks = Rx.Observable.fromEvent(document, 'click');
 * var buffered = clicks.bufferWhen(() =>
 *   Rx.Observable.interval(1000 + Math.random() * 4000)
 * );
 * buffered.subscribe(x => console.log(x));
 *
 * @see {@link buffer}
 * @see {@link bufferCount}
 * @see {@link bufferTime}
 * @see {@link bufferToggle}
 * @see {@link windowWhen}
 *
 * @param {function(): Observable} closingSelector A function that takes no
 * arguments and returns an Observable that signals buffer closure.
 * @return {Observable<T[]>} An observable of arrays of buffered values.
 * @method bufferWhen
 * @owner Observable
 */
export function bufferWhen(closingSelector) {
    return higherOrder(closingSelector)(this);
}
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