constants.mjs
3.68 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
/**
* @module constants
* @summary Useful constants
* @description
* Collection of useful date constants.
*
* The constants could be imported from `date-fns/constants`:
*
* ```ts
* import { maxTime, minTime } from "./constants/date-fns/constants";
*
* function isAllowedTime(time) {
* return time <= maxTime && time >= minTime;
* }
* ```
*/
/**
* @constant
* @name daysInWeek
* @summary Days in 1 week.
*/
export const daysInWeek = 7;
/**
* @constant
* @name daysInYear
* @summary Days in 1 year.
*
* @description
* How many days in a year.
*
* One years equals 365.2425 days according to the formula:
*
* > Leap year occures every 4 years, except for years that are divisable by 100 and not divisable by 400.
* > 1 mean year = (365+1/4-1/100+1/400) days = 365.2425 days
*/
export const daysInYear = 365.2425;
/**
* @constant
* @name maxTime
* @summary Maximum allowed time.
*
* @example
* import { maxTime } from "./constants/date-fns/constants";
*
* const isValid = 8640000000000001 <= maxTime;
* //=> false
*
* new Date(8640000000000001);
* //=> Invalid Date
*/
export const maxTime = Math.pow(10, 8) * 24 * 60 * 60 * 1000;
/**
* @constant
* @name minTime
* @summary Minimum allowed time.
*
* @example
* import { minTime } from "./constants/date-fns/constants";
*
* const isValid = -8640000000000001 >= minTime;
* //=> false
*
* new Date(-8640000000000001)
* //=> Invalid Date
*/
export const minTime = -maxTime;
/**
* @constant
* @name millisecondsInWeek
* @summary Milliseconds in 1 week.
*/
export const millisecondsInWeek = 604800000;
/**
* @constant
* @name millisecondsInDay
* @summary Milliseconds in 1 day.
*/
export const millisecondsInDay = 86400000;
/**
* @constant
* @name millisecondsInMinute
* @summary Milliseconds in 1 minute
*/
export const millisecondsInMinute = 60000;
/**
* @constant
* @name millisecondsInHour
* @summary Milliseconds in 1 hour
*/
export const millisecondsInHour = 3600000;
/**
* @constant
* @name millisecondsInSecond
* @summary Milliseconds in 1 second
*/
export const millisecondsInSecond = 1000;
/**
* @constant
* @name minutesInYear
* @summary Minutes in 1 year.
*/
export const minutesInYear = 525600;
/**
* @constant
* @name minutesInMonth
* @summary Minutes in 1 month.
*/
export const minutesInMonth = 43200;
/**
* @constant
* @name minutesInDay
* @summary Minutes in 1 day.
*/
export const minutesInDay = 1440;
/**
* @constant
* @name minutesInHour
* @summary Minutes in 1 hour.
*/
export const minutesInHour = 60;
/**
* @constant
* @name monthsInQuarter
* @summary Months in 1 quarter.
*/
export const monthsInQuarter = 3;
/**
* @constant
* @name monthsInYear
* @summary Months in 1 year.
*/
export const monthsInYear = 12;
/**
* @constant
* @name quartersInYear
* @summary Quarters in 1 year
*/
export const quartersInYear = 4;
/**
* @constant
* @name secondsInHour
* @summary Seconds in 1 hour.
*/
export const secondsInHour = 3600;
/**
* @constant
* @name secondsInMinute
* @summary Seconds in 1 minute.
*/
export const secondsInMinute = 60;
/**
* @constant
* @name secondsInDay
* @summary Seconds in 1 day.
*/
export const secondsInDay = secondsInHour * 24;
/**
* @constant
* @name secondsInWeek
* @summary Seconds in 1 week.
*/
export const secondsInWeek = secondsInDay * 7;
/**
* @constant
* @name secondsInYear
* @summary Seconds in 1 year.
*/
export const secondsInYear = secondsInDay * daysInYear;
/**
* @constant
* @name secondsInMonth
* @summary Seconds in 1 month
*/
export const secondsInMonth = secondsInYear / 12;
/**
* @constant
* @name secondsInQuarter
* @summary Seconds in 1 quarter.
*/
export const secondsInQuarter = secondsInMonth * 3;