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🎉 Add polyfill to requestIdleCallback (not supported on safari).

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This commit is contained in:
Andrey Antukh 2020-11-16 11:30:59 +01:00
parent 9bd393c159
commit 6e57d93f74
1 changed files with 15 additions and 3 deletions
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18
frontend/src/app/util/timers.cljs
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@ -33,16 +33,28 @@
(-dispose [_] (-dispose [_]
(js/clearInterval sem))))) (js/clearInterval sem)))))
(if (and (exists? js/window) (.-requestIdleCallback js/window))
(do
(def ^:private request-idle-callback #(js/requestIdleCallback %))
(def ^:private cancel-idle-callback #(js/cancelIdleCallback %)))
(do
(def ^:private request-idle-callback #(js/setTimeout % 100))
(def ^:private cancel-idle-callback #(js/cancelTimeout %))))
(defn schedule-on-idle (defn schedule-on-idle
[func] [func]
(let [sem (js/requestIdleCallback #(func))] (let [sem (request-idle-callback #(func))]
(reify rx/IDisposable (reify rx/IDisposable
(-dispose [_] (-dispose [_]
(js/cancelIdleCallback sem))))) (cancel-idle-callback sem)))))
(def ^:private request-animation-frame
(or (and (exists? js/window) (.-requestAnimationFrame js/window))
#(js/setTimeout % 16)))
(defn raf (defn raf
[f] [f]
(js/window.requestAnimationFrame f)) (request-animation-frame f))
(defn idle-then-raf (defn idle-then-raf
[f] [f]