redux-store-diff.ts

const hasChange = (prevState: RootState, newState: RootState): ((prop: string) => boolean) => (
  propertyPath: string,
): boolean => {
  const path = propertyPath.split('.');
  try {
    const oldProp = path.reduce((prop): unknown => prevState[prop], prevState);
    const newProp = path.reduce((prop): unknown => newState[prop], prevState);
    return oldProp === newProp;
  } catch (e) {
    return false;
  }
};