{"version":3,"file":"windowCount.js","sourceRoot":"","sources":["../../src/operator/windowCount.ts"],"names":[],"mappings":";AAEA,4BAA2C,0BAA0B,CAAC,CAAA;AAEtE;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;GA+CG;AACH,qBAAoD,UAAkB,EACvC,gBAA4B;IAA5B,gCAA4B,GAA5B,oBAA4B;IACzD,MAAM,CAAC,yBAAW,CAAC,UAAU,EAAE,gBAAgB,CAAC,CAAC,IAAI,CAA8B,CAAC;AACtF,CAAC;AAHe,mBAAW,cAG1B,CAAA","sourcesContent":["\nimport { Observable } from '../Observable';\nimport { windowCount as higherOrder } from '../operators/windowCount';\n\n/**\n * Branch out the source Observable values as a nested Observable with each\n * nested Observable emitting at most `windowSize` values.\n *\n * <span class=\"informal\">It's like {@link bufferCount}, but emits a nested\n * Observable instead of an array.</span>\n *\n * <img src=\"./img/windowCount.png\" width=\"100%\">\n *\n * Returns an Observable that emits windows of items it collects from the source\n * Observable. The output Observable emits windows every `startWindowEvery`\n * items, each containing no more than `windowSize` items. When the source\n * Observable completes or encounters an error, the output Observable emits\n * the current window and propagates the notification from the source\n * Observable. If `startWindowEvery` is not provided, then new windows are\n * started immediately at the start of the source and when each window completes\n * with size `windowSize`.\n *\n * @example <caption>Ignore every 3rd click event, starting from the first one</caption>\n * var clicks = Rx.Observable.fromEvent(document, 'click');\n * var result = clicks.windowCount(3)\n *   .map(win => win.skip(1)) // skip first of every 3 clicks\n *   .mergeAll(); // flatten the Observable-of-Observables\n * result.subscribe(x => console.log(x));\n *\n * @example <caption>Ignore every 3rd click event, starting from the third one</caption>\n * var clicks = Rx.Observable.fromEvent(document, 'click');\n * var result = clicks.windowCount(2, 3)\n *   .mergeAll(); // flatten the Observable-of-Observables\n * result.subscribe(x => console.log(x));\n *\n * @see {@link window}\n * @see {@link windowTime}\n * @see {@link windowToggle}\n * @see {@link windowWhen}\n * @see {@link bufferCount}\n *\n * @param {number} windowSize The maximum number of values emitted by each\n * window.\n * @param {number} [startWindowEvery] Interval at which to start a new window.\n * For example if `startWindowEvery` is `2`, then a new window will be started\n * on every other value from the source. A new window is started at the\n * beginning of the source by default.\n * @return {Observable<Observable<T>>} An Observable of windows, which in turn\n * are Observable of values.\n * @method windowCount\n * @owner Observable\n */\nexport function windowCount<T>(this: Observable<T>, windowSize: number,\n                               startWindowEvery: number = 0): Observable<Observable<T>> {\n  return higherOrder(windowSize, startWindowEvery)(this) as Observable<Observable<T>>;\n}\n"]}