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node_modules/rxjs/_esm5/observable/RangeObservable.js

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+/** 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);
+    };
+    /** @deprecated internal use only */ 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