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// Copyright (C) 2007, Fredrik Kuivinen <frekui@gmail.com>
// 2007, Petr Baudis <pasky@suse.cz>
// 2008-2011, Jakub Narebski <jnareb@gmail.com>
/**
* @fileOverview Detect if JavaScript is enabled, and pass it to server-side
* @license GPLv2 or later
*/
/* ============================================================ */
/* Manipulating links */
/**
* used to check if link has 'js' query parameter already (at end),
* and other reasons to not add 'js=1' param at the end of link
* @constant
*/
var jsExceptionsRe = /[;?]js=[01](#.*)?$/;
/**
* Add '?js=1' or ';js=1' to the end of every link in the document
* that doesn't have 'js' query parameter set already.
*
* Links with 'js=1' lead to JavaScript version of given action, if it
* exists (currently there is only 'blame_incremental' for 'blame')
*
* To be used as `window.onload` handler
*
* @globals jsExceptionsRe
*/
function fixLinks() {
var allLinks = document.getElementsByTagName("a") || document.links;
for (var i = 0, len = allLinks.length; i < len; i++) {
var link = allLinks[i];
if (!jsExceptionsRe.test(link)) {
link.href = link.href.replace(/(#|$)/,
(link.href.indexOf('?') === -1 ? '?' : ';') + 'js=1$1');
}
}
}
/* end of javascript-detection.js */
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