uppy/packages/@uppy/utils/src/findAllDOMElements.ts

import isDOMElement from './isDOMElement.ts'

/**
 * Find one or more DOM elements.
 */
export default function findAllDOMElements(
  element: string | Node,
): Node[] | null {
  if (typeof element === 'string') {
    const elements = document.querySelectorAll(element)
    return elements.length === 0 ? null : Array.from(elements)
  }

  if (typeof element === 'object' && isDOMElement(element)) {
    return [element]
  }

  return null
}