penpot/frontend/src/uxbox/util/timers.cljs
2020-05-01 18:15:40 +02:00

44 lines
1.0 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; This Source Code Form is "Incompatible With Secondary Licenses", as
;; defined by the Mozilla Public License, v. 2.0.
;;
;; Copyright (c) 2020 UXBOX Labs SL
(ns uxbox.util.timers
(:require [beicon.core :as rx]))
(defn schedule
([func]
(schedule 0 func))
([ms func]
(let [sem (js/setTimeout #(func) ms)]
(reify rx/IDisposable
(-dispose [_]
(js/clearTimeout sem))))))
(defn interval
[ms func]
(let [sem (js/setInterval #(func) ms)]
(reify rx/IDisposable
(-dispose [_]
(js/clearInterval sem)))))
(defn schedule-on-idle
[func]
(let [sem (js/requestIdleCallback #(func))]
(reify rx/IDisposable
(-dispose [_]
(js/cancelIdleCallback sem)))))
(defn raf
[f]
(js/window.requestAnimationFrame f))
(defn idle-then-raf
[f]
(schedule-on-idle #(raf f)))