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node_modules/rxjs/_esm5/internal/observable/interval.js

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+/** PURE_IMPORTS_START _Observable,_scheduler_async,_util_isNumeric PURE_IMPORTS_END */
+import { Observable } from '../Observable';
+import { async } from '../scheduler/async';
+import { isNumeric } from '../util/isNumeric';
+export function interval(period, scheduler) {
+    if (period === void 0) {
+        period = 0;
+    }
+    if (scheduler === void 0) {
+        scheduler = async;
+    }
+    if (!isNumeric(period) || period < 0) {
+        period = 0;
+    }
+    if (!scheduler || typeof scheduler.schedule !== 'function') {
+        scheduler = async;
+    }
+    return new Observable(function (subscriber) {
+        subscriber.add(scheduler.schedule(dispatch, period, { subscriber: subscriber, counter: 0, period: period }));
+        return subscriber;
+    });
+}
+function dispatch(state) {
+    var subscriber = state.subscriber, counter = state.counter, period = state.period;
+    subscriber.next(counter);
+    this.schedule({ subscriber: subscriber, counter: counter + 1, period: period }, period);
+}
+//# sourceMappingURL=interval.js.map