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ExpressJS TimeAgo View Helper

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timeAgo.js
JavaScript
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// helpers file
 
/*
* JavaScript Pretty Date
* Copyright (c) 2008 John Resig (jquery.com)
* Licensed under the MIT license.
*
* Small Modification by Jamund Ferguson to accept a real Date object
*/
exports.timeAgo = function(time) {
var date = time instanceof Date ? time : new Date((time || "").replace(/-/g,"/").replace(/[TZ]/g," "))
var diff = (((new Date()).getTime() - date.getTime()) / 1000)
var day_diff = Math.floor(diff / 86400)
if ( isNaN(day_diff) || day_diff < 0 || day_diff >= 31 )
return;
return day_diff == 0 && (
diff < 60 && "just now" ||
diff < 120 && "1 minute ago" ||
diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" ||
diff < 7200 && "1 hour ago" ||
diff < 86400 && Math.floor( diff / 3600 ) + " hours ago") ||
day_diff == 1 && "Yesterday" ||
day_diff < 7 && day_diff + " days ago" ||
day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago";
}

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