react-native-keyboard-controller/src/components/KeyboardAwareScrollView/utils.ts

Keyboard manager which works in identical way on both iOS and Android

export const debounce = <F extends (...args: Parameters<F>) => ReturnType<F>>(
  worklet: F,
  wait = 0,
) => {
  "worklet";

  const value = {
    time: 0,
  };

  return (...args: Parameters<F>): ReturnType<F> | void => {
    "worklet";

    const t = Date.now();
    const now = t - value.time;

    if (now < wait) {
      value.time = t;

      return;
    }

    value.time = t;

    return worklet(...args);
  };
};

export const scrollDistanceWithRespectToSnapPoints = (
  defaultScrollValue: number,
  snapPoints?: number[],
) => {
  "worklet";

  let snapPoint: number | undefined;

  if (snapPoints) {
    snapPoint = snapPoints.find((offset) => offset >= defaultScrollValue);
  }

  return snapPoint ?? defaultScrollValue;
};