Lodash deep merge with unique-value arrays

// Deep-merges arrays without duplicate values
const mergeCustomizer = (objValue: any, srcValue: any) => {
  if (Array.isArray(objValue) && Array.isArray(srcValue)) {
    return uniqWith(
      [...srcValue, ...objValue],
      (a, b) => a === b || isEqual(a, b),
    );
  }
};