biobulkbende.org/node_modules/rxjs/_esm5/operator/window.js

/** PURE_IMPORTS_START .._operators_window PURE_IMPORTS_END */
import { window as higherOrder } from '../operators/window';
/**
 * Branch out the source Observable values as a nested Observable whenever
 * `windowBoundaries` emits.
 *
 * <span class="informal">It's like {@link buffer}, but emits a nested Observable
 * instead of an array.</span>
 *
 * <img src="./img/window.png" width="100%">
 *
 * Returns an Observable that emits windows of items it collects from the source
 * Observable. The output Observable emits connected, non-overlapping
 * windows. It emits the current window and opens a new one whenever the
 * Observable `windowBoundaries` emits an item. Because each window is an
 * Observable, the output is a higher-order Observable.
 *
 * @example <caption>In every window of 1 second each, emit at most 2 click events</caption>
 * var clicks = Rx.Observable.fromEvent(document, 'click');
 * var interval = Rx.Observable.interval(1000);
 * var result = clicks.window(interval)
 *   .map(win => win.take(2)) // each window has at most 2 emissions
 *   .mergeAll(); // flatten the Observable-of-Observables
 * result.subscribe(x => console.log(x));
 *
 * @see {@link windowCount}
 * @see {@link windowTime}
 * @see {@link windowToggle}
 * @see {@link windowWhen}
 * @see {@link buffer}
 *
 * @param {Observable<any>} windowBoundaries An Observable that completes the
 * previous window and starts a new window.
 * @return {Observable<Observable<T>>} An Observable of windows, which are
 * Observables emitting values of the source Observable.
 * @method window
 * @owner Observable
 */
export function window(windowBoundaries) {
    return higherOrder(windowBoundaries)(this);
}
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