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keksAccountGUI/node_modulesOLD/rxjs/_esm2015/internal/observable/timer.js

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2019-08-11 18:48:02 +00:00
import { Observable } from '../Observable';
import { async } from '../scheduler/async';
import { isNumeric } from '../util/isNumeric';
import { isScheduler } from '../util/isScheduler';
export function timer(dueTime = 0, periodOrScheduler, scheduler) {
let 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(subscriber => {
const due = isNumeric(dueTime)
? dueTime
: (+dueTime - scheduler.now());
return scheduler.schedule(dispatch, due, {
index: 0, period, subscriber
});
});
}
function dispatch(state) {
const { index, period, subscriber } = state;
subscriber.next(index);
if (subscriber.closed) {
return;
}
else if (period === -1) {
return subscriber.complete();
}
state.index = index + 1;
this.schedule(state, period);
}
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