unique-selector/lib/isUnique.js

Given a DOM node, return a unique CSS selector matching only that element

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isUnique = isUnique;
/**
 * Checks if the selector is unique
 * @param  { Object } element
 * @param  { String } selector
 * @return { Array }
 */
function isUnique(el, selector) {
  if (!Boolean(selector)) return false;
  var elems = el.ownerDocument.querySelectorAll(selector);
  return elems.length === 1 && elems[0] === el;
}