1import isObjectEmpty from './is-object-empty';
2import hasOwnProp from './has-own-prop';
3import isObject from './is-object';
4import isDate from './is-date';
5import isNumber from './is-number';
6import isString from './is-string';
7import { isMoment } from '../moment/constructor';
8import isArray from './is-array';
9
10// type MomentInput = Moment | Date | string | number | (number | string)[] | MomentInputObject | void; // null | undefined
11export function isMomentInput(input) {
12    return (
13        isMoment(input) ||
14        isDate(input) ||
15        isString(input) ||
16        isNumber(input) ||
17        isNumberOrStringArray(input) ||
18        isMomentInputObject(input) ||
19        input === null ||
20        input === undefined
21    );
22}
23
24export function isMomentInputObject(input) {
25    var objectTest = isObject(input) && !isObjectEmpty(input),
26        propertyTest = false,
27        properties = [
28            'years',
29            'year',
30            'y',
31            'months',
32            'month',
33            'M',
34            'days',
35            'day',
36            'd',
37            'dates',
38            'date',
39            'D',
40            'hours',
41            'hour',
42            'h',
43            'minutes',
44            'minute',
45            'm',
46            'seconds',
47            'second',
48            's',
49            'milliseconds',
50            'millisecond',
51            'ms',
52        ],
53        i,
54        property,
55        propertyLen = properties.length;
56
57    for (i = 0; i < propertyLen; i += 1) {
58        property = properties[i];
59        propertyTest = propertyTest || hasOwnProp(input, property);
60    }
61
62    return objectTest && propertyTest;
63}
64
65function isNumberOrStringArray(input) {
66    var arrayTest = isArray(input),
67        dataTypeTest = false;
68    if (arrayTest) {
69        dataTypeTest =
70            input.filter(function (item) {
71                return !isNumber(item) && isString(input);
72            }).length === 0;
73    }
74    return arrayTest && dataTypeTest;
75}