ant-design/components/typography/Base/util.ts

export function toList<T extends any>(val: T | T[]): T[] {
  if (val === false) {
    return [false, false] as T[];
  }
  return Array.isArray(val) ? val : [val];
}

export function getNode(dom: React.ReactNode, defaultNode: React.ReactNode, needDom?: boolean) {
  if (dom === true || dom === undefined) {
    return defaultNode;
  }
  return dom || (needDom && defaultNode);
}