151 lines
4.8 KiB
JavaScript
151 lines
4.8 KiB
JavaScript
/*
|
|
* Javascript Humane Dates
|
|
* Copyright (c) 2008 Dean Landolt (deanlandolt.com)
|
|
* Re-write by Zach Leatherman (zachleat.com)
|
|
*
|
|
* Adopted from the John Resig's pretty.js
|
|
* at http://ejohn.org/blog/javascript-pretty-date
|
|
* and henrah's proposed modification
|
|
* at http://ejohn.org/blog/javascript-pretty-date/#comment-297458
|
|
*
|
|
* Licensed under the MIT license.
|
|
*/
|
|
|
|
function humaneDate(date, compareTo){
|
|
|
|
if(!date) {
|
|
return;
|
|
}
|
|
|
|
var testme = new Date;
|
|
compareTo = testme.getFullYear() + "-" + (testme.getMonth()+1) + "-" + testme.getDate();
|
|
|
|
var lang = {
|
|
ago: 'ago',
|
|
from: 'from now',
|
|
now: 'today',
|
|
minute: 'minute',
|
|
minutes: 'minutes',
|
|
hour: 'hour',
|
|
hours: 'hours',
|
|
today: 'today',
|
|
day: 'day',
|
|
days: 'days',
|
|
week: 'week',
|
|
weeks: 'weeks',
|
|
month: 'month',
|
|
months: 'months',
|
|
year: 'year',
|
|
years: 'years'
|
|
},
|
|
formats = [
|
|
[60, lang.now],
|
|
[3600, lang.minute, lang.minutes, 60], // 60 minutes, 1 minute
|
|
[86400, lang.hour, lang.hours, 3600], // 24 hours, 1 hour
|
|
[604800, lang.day, lang.days, 86400], // 7 days, 1 day
|
|
[2628000, lang.week, lang.weeks, 604800], // ~1 month, 1 week
|
|
[31536000, lang.month, lang.months, 2628000], // 1 year, ~1 month
|
|
[Infinity, lang.year, lang.years, 31536000] // Infinity, 1 year
|
|
],
|
|
isString = typeof date == 'string',
|
|
date = isString ?
|
|
new Date(('' + date).replace(/-/g,"/").replace(/[TZ]/g," ")) :
|
|
date,
|
|
cIsString = typeof compareTo == 'string',
|
|
compareTo = cIsString ?
|
|
new Date(('' + compareTo).replace(/-/g,"/").replace(/[TZ]/g," ")) :
|
|
compareTo,
|
|
seconds = (compareTo - date +
|
|
(compareTo.getTimezoneOffset() -
|
|
// if we received a GMT time from a string, doesn't include time zone bias
|
|
// if we got a date object, the time zone is built in, we need to remove it.
|
|
(isString ? 0 : date.getTimezoneOffset())
|
|
) * 60000
|
|
) / 1000,
|
|
token;
|
|
|
|
if(seconds < 0) {
|
|
seconds = Math.abs(seconds);
|
|
token = lang.from ? ' ' + lang.from : '';
|
|
} else {
|
|
token = lang.ago ? ' ' + lang.ago : '';
|
|
}
|
|
|
|
/*
|
|
* 0 seconds && < 60 seconds Now
|
|
* 60 seconds 1 Minute
|
|
* > 60 seconds && < 60 minutes X Minutes
|
|
* 60 minutes 1 Hour
|
|
* > 60 minutes && < 24 hours X Hours
|
|
* 24 hours 1 Day
|
|
* > 24 hours && < 7 days X Days
|
|
* 7 days 1 Week
|
|
* > 7 days && < ~ 1 Month X Weeks
|
|
* ~ 1 Month 1 Month
|
|
* > ~ 1 Month && < 1 Year X Months
|
|
* 1 Year 1 Year
|
|
* > 1 Year X Years
|
|
*
|
|
* Single units are +10%. 1 Year shows first at 1 Year + 10%
|
|
*/
|
|
|
|
function normalize(val, single)
|
|
{
|
|
var margin = 0.1;
|
|
if(val >= single && val <= single * (1+margin)) {
|
|
return single;
|
|
}
|
|
return val;
|
|
}
|
|
|
|
for(var i = 0, format = formats[0]; formats[i]; format = formats[++i]) {
|
|
if(seconds < format[0]) {
|
|
if(i === 0) {
|
|
// Now
|
|
return format[1];
|
|
}
|
|
|
|
var val = Math.ceil(normalize(seconds, format[3]) / (format[3]));
|
|
|
|
// Since the source is only passing a date don't reference hours, use today
|
|
if (format[2] == lang.hours) { return lang.today; }
|
|
|
|
// Again, since it's only the date adjust the days value to round down
|
|
if (format[2] == lang.days) {
|
|
val = Math.floor(normalize(seconds, format[3]) / (format[3]));
|
|
}
|
|
|
|
return val +
|
|
' ' +
|
|
(val != 1 ? format[2] : format[1]) +
|
|
(i > 0 ? token : '');
|
|
}
|
|
}
|
|
};
|
|
|
|
if(typeof jQuery != 'undefined') {
|
|
jQuery.fn.humaneDates = function(options)
|
|
{
|
|
var settings = jQuery.extend({
|
|
'lowercase': false
|
|
}, options);
|
|
|
|
return this.each(function()
|
|
{
|
|
var $t = jQuery(this),
|
|
date = $t.attr('datetime') || $t.attr('title');
|
|
|
|
date = humaneDate(date);
|
|
|
|
if(date && settings['lowercase']) {
|
|
date = date.toLowerCase();
|
|
}
|
|
|
|
if(date && $t.html() != date) {
|
|
// don't modify the dom if we don't have to
|
|
$t.html(date);
|
|
}
|
|
});
|
|
};
|
|
}
|