@shopify/react-native-skia
Version:
High-performance React Native Graphics using Skia
16 lines (15 loc) • 465 B
JavaScript
import { useEffect, useMemo } from "react";
import Rea from "./ReanimatedProxy";
export const useDerivedValueOnJS = (fn, deps) => {
const init = useMemo(() => fn(), [fn]);
const value = Rea.useSharedValue(init);
useEffect(() => {
const mapperId = Rea.startMapper(() => {
"worklet";
Rea.runOnJS(fn)();
}, deps);
return () => Rea.stopMapper(mapperId);
}, [deps, fn]);
return value;
};
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