@applicaster/zapp-react-native-utils/reactHooks/state/useRefWithInitialValue.ts

Applicaster Zapp React Native utilities package

import React from "react";

/**
 * returns a ref with an initial value that is lazily evaluated once
 * */
export const useRefWithInitialValue = <T>(initialValueGetter: () => T) => {
  const ref = React.useRef<T>(null);

  if (ref.current === null) {
    ref.current = initialValueGetter();
  }

  return ref;
};