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

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+/** PURE_IMPORTS_START _Observable,_scheduler_async,_util_isNumeric,_util_isScheduler PURE_IMPORTS_END */
+import { Observable } from '../Observable';
+import { async } from '../scheduler/async';
+import { isNumeric } from '../util/isNumeric';
+import { isScheduler } from '../util/isScheduler';
+export function timer(dueTime, periodOrScheduler, scheduler) {
+    if (dueTime === void 0) {
+        dueTime = 0;
+    }
+    var period = -1;
+    if (isNumeric(periodOrScheduler)) {
+        period = Number(periodOrScheduler) < 1 && 1 || Number(periodOrScheduler);
+    }
+    else if (isScheduler(periodOrScheduler)) {
+        scheduler = periodOrScheduler;
+    }
+    if (!isScheduler(scheduler)) {
+        scheduler = async;
+    }
+    return new Observable(function (subscriber) {
+        var due = isNumeric(dueTime)
+            ? dueTime
+            : (+dueTime - scheduler.now());
+        return scheduler.schedule(dispatch, due, {
+            index: 0, period: period, subscriber: subscriber
+        });
+    });
+}
+function dispatch(state) {
+    var index = state.index, period = state.period, subscriber = state.subscriber;
+    subscriber.next(index);
+    if (subscriber.closed) {
+        return;
+    }
+    else if (period === -1) {
+        return subscriber.complete();
+    }
+    state.index = index + 1;
+    this.schedule(state, period);
+}
+//# sourceMappingURL=timer.js.map