1import isObjectEmpty from './is-object-empty';
2import hasOwnProp from './has-own-prop';
3import isObject from './is-object';
4
5export default function isCalendarSpec(input) {
6    var objectTest = isObject(input) && !isObjectEmpty(input),
7        propertyTest = false,
8        properties = [
9            'sameDay',
10            'nextDay',
11            'lastDay',
12            'nextWeek',
13            'lastWeek',
14            'sameElse',
15        ],
16        i,
17        property;
18
19    for (i = 0; i < properties.length; i += 1) {
20        property = properties[i];
21        propertyTest = propertyTest || hasOwnProp(input, property);
22    }
23
24    return objectTest && propertyTest;
25}