| 1 | // Copyright (C) 2007, Fredrik Kuivinen <frekui@gmail.com> |
| 2 | // 2007, Petr Baudis <pasky@suse.cz> |
| 3 | // 2008-2011, Jakub Narebski <jnareb@gmail.com> |
| 4 | |
| 5 | /** |
| 6 | * @fileOverview Detect if JavaScript is enabled, and pass it to server-side |
| 7 | * @license GPLv2 or later |
| 8 | */ |
| 9 | |
| 10 | |
| 11 | /* ============================================================ */ |
| 12 | /* Manipulating links */ |
| 13 | |
| 14 | /** |
| 15 | * used to check if link has 'js' query parameter already (at end), |
| 16 | * and other reasons to not add 'js=1' param at the end of link |
| 17 | * @constant |
| 18 | */ |
| 19 | var jsExceptionsRe = /[;?]js=[01](#.*)?$/; |
| 20 | |
| 21 | /** |
| 22 | * Add '?js=1' or ';js=1' to the end of every link in the document |
| 23 | * that doesn't have 'js' query parameter set already. |
| 24 | * |
| 25 | * Links with 'js=1' lead to JavaScript version of given action, if it |
| 26 | * exists (currently there is only 'blame_incremental' for 'blame') |
| 27 | * |
| 28 | * To be used as `window.onload` handler |
| 29 | * |
| 30 | * @globals jsExceptionsRe |
| 31 | */ |
| 32 | function fixLinks() { |
| 33 | var allLinks = document.getElementsByTagName("a") || document.links; |
| 34 | for (var i = 0, len = allLinks.length; i < len; i++) { |
| 35 | var link = allLinks[i]; |
| 36 | if (!jsExceptionsRe.test(link)) { |
| 37 | link.href = link.href.replace(/(#|$)/, |
| 38 | (link.href.indexOf('?') === -1 ? '?' : ';') + 'js=1$1'); |
| 39 | } |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | /* end of javascript-detection.js */ |