@pmwcs/base/utils/ponyfills.js

PMWCS base module

export const closest = function (element, selector) {
  if (element instanceof Element) {
    /* istanbul ignore else  */
    if (element && element.closest) {
      return element.closest(selector)
    } else {
      let el = element
      while (el) {
        if (matches(el, selector)) {
          return el
        }
        el = el.parentElement
      }
    }
  }
  return null
}
export const matches = function (element, selector) {
  /* istanbul ignore next  */
  const nativeMatches = element.matches ||
        element.webkitMatchesSelector ||
        element.msMatchesSelector
  return nativeMatches.call(element, selector)
}