User:Gary/minutes later for diff.js

/*

MINUTES LATER FOR DIFF

Description: When viewing an edit diff, shows how many minutes have passed from the old edit and the new one.

Only appears if the difference is less than an hour.

• /

function convertTimestampStringToDate(id)

{

var timestamp = $('#' + id).children().first().children().first().text();

timestamp = timestamp.substring('Revision as of '.length).match(/(\d\d):(\d\d), (\d{1,2}) ([A-Z][a-z]+) (\d{4})/);

return new Date(timestamp[4] + ' ' + timestamp[3] + ', ' + timestamp[5] + ' ' + timestamp[1] + ':' + timestamp[2] + ':00');

}

function minutesLaterForDiff()

{

if (!$('#mw-diff-otitle1').length || !$('#mw-diff-ntitle1').length) return false;

var leftNode = $('#mw-diff-otitle1');;

var rightNode = $('#mw-diff-ntitle1');

var firstDate = convertTimestampStringToDate('mw-diff-otitle1');

var secondDate = convertTimestampStringToDate('mw-diff-ntitle1');

var timeDifference = secondDate.getTime() - firstDate.getTime();

var minutesAgo = Math.round(timeDifference / 1000 / 60);

if (minutesAgo >= 60) return false;

else if (minutesAgo < 1) minutesAgo = 'Less than a minute later';

else if (minutesAgo == 1) minutesAgo = 'One minute later';

else minutesAgo = minutesAgo + ' minutes later';

leftNode.prepend($(' 
'));

rightNode.prepend($('').append(minutesAgo).append('
'));

}

$(minutesLaterForDiff);