| /** PURE_IMPORTS_START .._Observable PURE_IMPORTS_END */ |
| 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 __()); |
| }; |
| import { Observable } from '../Observable'; |
| /** |
| * We need this JSDoc comment for affecting ESDoc. |
| * @extends {Ignored} |
| * @hide true |
| */ |
| export var RangeObservable = /*@__PURE__*/ (/*@__PURE__*/ function (_super) { |
| __extends(RangeObservable, _super); |
| function RangeObservable(start, count, scheduler) { |
| _super.call(this); |
| this.start = start; |
| this._count = count; |
| this.scheduler = scheduler; |
| } |
| /** |
| * Creates an Observable that emits a sequence of numbers within a specified |
| * range. |
| * |
| * <span class="informal">Emits a sequence of numbers in a range.</span> |
| * |
| * <img src="./img/range.png" width="100%"> |
| * |
| * `range` operator emits a range of sequential integers, in order, where you |
| * select the `start` of the range and its `length`. By default, uses no |
| * IScheduler and just delivers the notifications synchronously, but may use |
| * an optional IScheduler to regulate those deliveries. |
| * |
| * @example <caption>Emits the numbers 1 to 10</caption> |
| * var numbers = Rx.Observable.range(1, 10); |
| * numbers.subscribe(x => console.log(x)); |
| * |
| * @see {@link timer} |
| * @see {@link interval} |
| * |
| * @param {number} [start=0] The value of the first integer in the sequence. |
| * @param {number} [count=0] The number of sequential integers to generate. |
| * @param {Scheduler} [scheduler] A {@link IScheduler} to use for scheduling |
| * the emissions of the notifications. |
| * @return {Observable} An Observable of numbers that emits a finite range of |
| * sequential integers. |
| * @static true |
| * @name range |
| * @owner Observable |
| */ |
| RangeObservable.create = function (start, count, scheduler) { |
| if (start === void 0) { |
| start = 0; |
| } |
| if (count === void 0) { |
| count = 0; |
| } |
| return new RangeObservable(start, count, scheduler); |
| }; |
| RangeObservable.dispatch = function (state) { |
| var start = state.start, index = state.index, count = state.count, subscriber = state.subscriber; |
| if (index >= count) { |
| subscriber.complete(); |
| return; |
| } |
| subscriber.next(start); |
| if (subscriber.closed) { |
| return; |
| } |
| state.index = index + 1; |
| state.start = start + 1; |
| this.schedule(state); |
| }; |
| RangeObservable.prototype._subscribe = function (subscriber) { |
| var index = 0; |
| var start = this.start; |
| var count = this._count; |
| var scheduler = this.scheduler; |
| if (scheduler) { |
| return scheduler.schedule(RangeObservable.dispatch, 0, { |
| index: index, count: count, start: start, subscriber: subscriber |
| }); |
| } |
| else { |
| do { |
| if (index++ >= count) { |
| subscriber.complete(); |
| break; |
| } |
| subscriber.next(start++); |
| if (subscriber.closed) { |
| break; |
| } |
| } while (true); |
| } |
| }; |
| return RangeObservable; |
| }(Observable)); |
| //# sourceMappingURL=RangeObservable.js.map |