-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathdates.js
166 lines (150 loc) · 3.28 KB
/
dates.js
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
/**
* Created by skitsanos on 6/4/14.
*/
Date.prototype.add = function (/**String*/unit, /**Number*/value)
{
unit = unit.replace(/s$/).toLowerCase();
switch (unit)
{
case "year":
this.setYear(this.getYear() + value);
break;
case "month":
this.setMonth(this.getMonth() + value);
break;
case "week":
this.setTime(this.getTime() + value * 604800000);
break;
case "day":
this.setTime(this.getTime() + value * 86400000);
break;
case "hour":
this.setTime(this.getTime() + value * 3600000);
break;
case "minute":
this.setTime(this.getTime() + value * 60000);
break;
case "second":
this.setTime(this.getTime() + value * 1000);
break;
case "nanosecond":
// Fall Through
default:
this.setTime(this.getTime() + value);
break;
}
return this;
};
/**
* Checks if the current time is on daylight saving time or not
* @return true when the current time is daylight saving time and false when it is standard time
*/
Date.prototype.dst = function ()
{
return this.getTimezoneOffset() < this.stdTimezoneOffset();
};
Date.prototype.addGmtOffset = function (offset, ds)
{
var d = this;
var utc = d.getTime() + (d.getTimezoneOffset() * 60000);
if (typeof (offset) == 'string')
{
//00:00
var shiftz = 0;
if (ds != undefined && ds == true)
{
shiftz = 1;
}
var _h = 3600000 * (Number(offset.split(':')[0]) + shiftz);
var _m = 60000 * offset.split(':')[1];
return new Date(utc + _h + _m);
}
else
{
var shift = 0;
if (ds != undefined && ds == true)
{
shift = 1;
}
return new Date(utc + (3600000 * (offset + shift)));
}
};
Date.prototype.addGmtOffsetByMinutes = function (offset, ds)
{
if (ds != undefined && ds == true)
{
offset += 60;
}
var d = this;
var utc = d.getTime() + (d.getTimezoneOffset() * 60000);
return new Date(utc + (60000 * offset));
};
Date.prototype.subtract = function (/**String*/unit, /**Number*/value)
{
unit = unit.replace(/s$/).toLowerCase();
switch (unit)
{
case "year":
this.setYear(this.getYear() - value);
break;
case "month":
this.setMonth(this.getMonth() - value);
break;
case "week":
this.setTime(this.getTime() - value * 604800000);
break;
case "day":
this.setTime(this.getTime() - value * 86400000);
break;
case "hour":
this.setTime(this.getTime() - value * 3600000);
break;
case "minute":
this.setTime(this.getTime() - value * 60000);
break;
case "second":
this.setTime(this.getTime() - value * 1000);
break;
default:
this.setTime(this.getTime() - value);
break;
}
return this;
};
Date.prototype.truncate = function (unit, /**String*/to)
{
unit = unit.replace(/s$/).toLowerCase();
switch (unit)
{
case "year":
this.setMonth(0, 1);
this.setHours(0, 0, 0, 0);
break;
case "month":
this.setDate(1);
this.setHours(0, 0, 0, 0);
break;
case "week":
this.subtract("day", this.getDay());
break;
case "day":
this.setMinutes(0, 0, 0, 0);
break;
case "hour":
this.setMinutes(0, 0, 0);
break;
case "minute":
this.setSeconds(0, 0);
break;
case "second":
this.setMilliseconds(0);
break;
default:
break;
}
//return this;
};
Date.prototype.getMondaySunday = function ()
{
return [new Date(this).subtract('day', this.getDay() - 1), new Date(this).add('day', 7 - this.getDay())];
};