normalize_slot_normalizeSlot = function normalizeSlot(names) {
  var scope = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var $scopedSlots = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  var $slots = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
  // Ensure names is an array
  names = concat(names).filter(Boolean);
  var slot;

  for (var i = 0; i < names.length && !slot; i++) {
    var name = names[i];
    slot = $scopedSlots[name] || $slots[name];
  } // Note: in Vue 2.6.x, all named slots are also scoped slots


  return isFunction(slot) ? slot(scope) : slot;
}
Returns VNodes for named slot either scoped or unscoped

@param {String, Array} name or name[]
@param {String} scope
@param {Object} scopedSlots
@param {Object} slots
@returns {Array|undefined} VNodes