@coreui/react-pro/src/utils/getPreviousSibling.ts

UI Components Library for React.js

const getPreviousSibling = (elem: HTMLElement, selector?: string) => {
  // Get the next sibling element
  let sibling = elem.previousElementSibling

  // If there's no selector, return the first sibling
  if (!selector) return sibling

  // If the sibling matches our selector, use it
  // If not, jump to the next sibling and continue the loop
  while (sibling) {
    if (sibling.matches(selector)) return sibling
    sibling = sibling.previousElementSibling
  }

  return
}

export default getPreviousSibling