Bookmarklet to get branch name

boo.js

javascript:(function($,window,undefined){var key=$("#key-val").text(),descr=$("h1").text(),errors="",sprintLabels=$.grep(jQuery("ul.labels li"),function(el){return $(el).text().match(/sprint/);});if(!key.length)errors+="Key is not defined\n";if(!descr.length)errors+="Description is not defined\n";if(!sprintLabels.length)errors+="Sprint label is not defined\n";if(errors.length){alert(errors);return;}var sprint=$(sprintLabels[0]).text(),branchName=sprint+'_UA_'+key+'_'+descr.toLowerCase().replace(/\(\)/g,'').replace(/\W/g,'_').replace(/_+/g,'_').replace(/_$/g,'');window.prompt("Branch name:\n"+branchName+"\n"+"Create branch:\ngit checkout -b "+branchName,branchName);})(jQuery,window);