diff options
Diffstat (limited to 'gitweb/static/js/javascript-detection.js')
| -rw-r--r-- | gitweb/static/js/javascript-detection.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gitweb/static/js/javascript-detection.js b/gitweb/static/js/javascript-detection.js new file mode 100644 index 000000000000..fa2596f77c64 --- /dev/null +++ b/gitweb/static/js/javascript-detection.js @@ -0,0 +1,43 @@ +// 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 */ |