Function copyElement

OpenReservation/wwwroot/Scripts/angular.js:899–930

(source)

        }

        function copyElement(source) {
            // Simple values
            if (!isObject(source)) {
                return source;
            }

            // Already copied values
            var index = stackSource.indexOf(source);
            if (index !== -1) {
                return stackDest[index];
            }

            if (isWindow(source) || isScope(source)) {
                throw ngMinErr('cpws',
                    "Can't copy! Making copies of Window or Scope instances is not supported.");
            }

            var needsRecurse = false;
            var destination = copyType(source);

            if (destination === undefined) {
                destination = isArray(source) ? [] : Object.create(getPrototypeOf(source));
                needsRecurse = true;
            }

            stackSource.push(source);
            stackDest.push(destination);

            return needsRecurse
                ? copyRecurse(source, destination)
                : destination;
        }

        function copyType(source) {
            switch (toString.call(source)) {