Function deDuplicate

packages/core/src/utils/funcs.ts:151–157

(arr: T)

 * @internal please do not use.
 */
export function deDuplicate<T extends any[]>(arr: T): T {
  if (typeof Set === 'function') {
    return [...new Set(arr)] as T;
  } else {
    return arr.filter((x, i) => arr.indexOf(x) === i) as T;
  }
}

/**
 * @internal please do not use.