Function propName

src/xmlparser/node2json.js:126–132

(obj)

}

function propName(obj) {
  const keys = Object.keys(obj);
  for (let i = 0; i < keys.length; i++) {
    const key = keys[i];
    if (key !== ":@") return key;
  }
}

function assignAttributes(obj, attrMap, readonlyMatcher, options) {
  if (attrMap) {