forked from e-picas/nunjucks-date-filter
-
Notifications
You must be signed in to change notification settings - Fork 2
/
index.js
64 lines (57 loc) · 1.6 KB
/
index.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
/**
* nunjucks-date-filter-local
* Fork from https://github.com/piwi/nunjucks-date-filter
*
* Copyright (c) 2015 Pierre Cassat
* Licensed under the Apache 2.0 license.
*/
'use strict';
var moment = require('moment');
var nunjucks = require('nunjucks');
var nlib = require('nunjucks/src/lib');
// default default format (ISO 8601)
var dateFilterDefaultFormat = null;
// a date filter for Nunjucks
// usage: {{ my_date | date(format) }}
// see: <http://momentjs.com/docs/>
function dateFilter(date, format)
{
var result;
var errs = [];
var args = [];
var obj;
Array.prototype.push.apply(args, arguments);
try {
obj = moment(date);
} catch (err) {
errs.push(err);
}
if (obj) {
try {
if (obj[format] && nlib.isFunction(obj[format])) {
result = obj[format].apply(obj, args.slice(2));
} else {
if (dateFilterDefaultFormat!==null) {
result = obj.format(format || dateFilterDefaultFormat);
} else {
result = obj.format(format);
}
}
} catch(err) {
errs.push(err);
}
}
if (errs.length) {
return errs.join("\n");
}
return result;
}
module.exports = dateFilter;
// set default format for date
module.exports.setDefaultFormat = function(format) {
dateFilterDefaultFormat = format;
};
// install the filter to nunjucks environment
module.exports.install = function(env, customName) {
(env || nunjucks.configure()).addFilter(customName || 'date', dateFilter);
};