var storeValParam = function()

in js/libs/ical.js [58:74]


    var storeValParam = function (name) {
        return function (val, curr) {
            var current = curr[name];
            if (Array.isArray(current)) {
                current.push(val);
                return curr;
            }
  
            if (current != null) {
                curr[name] = [current, val];
                return curr;
            }
  
            curr[name] = val;
            return curr
        }
    }