Shared-Travel-Map-Front-End/node_modules/rxjs/_esm5/operator/bufferTime.js

/** PURE_IMPORTS_START .._scheduler_async,.._util_isScheduler,.._operators_bufferTime PURE_IMPORTS_END */
import { async } from '../scheduler/async';
import { isScheduler } from '../util/isScheduler';
import { bufferTime as higherOrder } from '../operators/bufferTime';
/* tslint:enable:max-line-length */
/**
 * Buffers the source Observable values for a specific time period.
 *
 * <span class="informal">Collects values from the past as an array, and emits
 * those arrays periodically in time.</span>
 *
 * <img src="./img/bufferTime.png" width="100%">
 *
 * Buffers values from the source for a specific time duration `bufferTimeSpan`.
 * Unless the optional argument `bufferCreationInterval` is given, it emits and
 * resets the buffer every `bufferTimeSpan` milliseconds. If
 * `bufferCreationInterval` is given, this operator opens the buffer every
 * `bufferCreationInterval` milliseconds and closes (emits and resets) the
 * buffer every `bufferTimeSpan` milliseconds. When the optional argument
 * `maxBufferSize` is specified, the buffer will be closed either after
 * `bufferTimeSpan` milliseconds or when it contains `maxBufferSize` elements.
 *
 * @example <caption>Every second, emit an array of the recent click events</caption>
 * var clicks = Rx.Observable.fromEvent(document, 'click');
 * var buffered = clicks.bufferTime(1000);
 * buffered.subscribe(x => console.log(x));
 *
 * @example <caption>Every 5 seconds, emit the click events from the next 2 seconds</caption>
 * var clicks = Rx.Observable.fromEvent(document, 'click');
 * var buffered = clicks.bufferTime(2000, 5000);
 * buffered.subscribe(x => console.log(x));
 *
 * @see {@link buffer}
 * @see {@link bufferCount}
 * @see {@link bufferToggle}
 * @see {@link bufferWhen}
 * @see {@link windowTime}
 *
 * @param {number} bufferTimeSpan The amount of time to fill each buffer array.
 * @param {number} [bufferCreationInterval] The interval at which to start new
 * buffers.
 * @param {number} [maxBufferSize] The maximum buffer size.
 * @param {Scheduler} [scheduler=async] The scheduler on which to schedule the
 * intervals that determine buffer boundaries.
 * @return {Observable<T[]>} An observable of arrays of buffered values.
 * @method bufferTime
 * @owner Observable
 */
export function bufferTime(bufferTimeSpan) {
    var length = arguments.length;
    var scheduler = async;
    if (isScheduler(arguments[arguments.length - 1])) {
        scheduler = arguments[arguments.length - 1];
        length--;
    }
    var bufferCreationInterval = null;
    if (length >= 2) {
        bufferCreationInterval = arguments[1];
    }
    var maxBufferSize = Number.POSITIVE_INFINITY;
    if (length >= 3) {
        maxBufferSize = arguments[2];
    }
    return higherOrder(bufferTimeSpan, bufferCreationInterval, maxBufferSize, scheduler)(this);
}
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