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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