rxjs-compat/add/observable/timer.d.ts

<img src="doc/asset/Rx_Logo_S.png" alt="RxJS Logo" width="86" height="86"> RxJS: Reactive Extensions For JavaScript ======================================

import { timer as staticTimer } from 'rxjs';
declare module 'rxjs/internal/Observable' {
    namespace Observable {
        let timer: typeof staticTimer;
    }
}