import { INode, MaskInputFn, MaskInputOptions } from './types';

export function isElement(n: Node | INode): n is Element {
  return n.nodeType === n.ELEMENT_NODE;
}

export function isShadowRoot(n: Node): n is ShadowRoot {
  const host: Element | null = (n as ShadowRoot)?.host;
  return Boolean(host && host.shadowRoot && host.shadowRoot === n);
}

export function maskInputValue({
  maskInputOptions,
  tagName,
  type,
  value,
  maskInputFn,
}: {
  maskInputOptions: MaskInputOptions;
  tagName: string;
  type: string | number | boolean | null;
  value: string | null;
  maskInputFn?: MaskInputFn;
}): string {
  let text = value || '';
  if (
    maskInputOptions[tagName.toLowerCase() as keyof MaskInputOptions] ||
    maskInputOptions[type as keyof MaskInputOptions]
  ) {
    if (maskInputFn) {
      text = maskInputFn(text);
    } else {
      text = '*'.repeat(text.length);
    }
  }
  return text;
}