Open a jira ticket in a new tab

goto_jira.js

/**
 * === Goto JIRA ===
 * Handy userscript to visit a JIRA ticket.
 * 
 * Installation:
 * Embed this piece of javascript prefixed with javascript: in a bookmark.
 * 
 * Usage:
 * 1. Highlight a piece of text containing the jira ticket number you want to visit
 * 2. Click on the bookmarklet to open the ticket in a new tab
 */
(function(ctx) {
  function createEl() {
    var el = ctx.document.createElement('div');
    el.style.position = "fixed";
    el.innerText = "Highlight a JIRA ticket number...";
    el.style.top = "0";
    el.style.backgroundColor = "red";
    el.style.fontSize = "23pt";
    return el;
  }

  function init() {
    var jira_base = "https://singularity.jira.com/browse/";
    var data = ctx.JIRA_USERSCRIPT_DATA;
    if (typeof data == 'undefined') {
      data = ctx.JIRA_USERSCRIPT_DATA = {
        bound: false,
        handler: function() {
          var sel = ctx.getSelection().toString();
          var match;
          if (match = sel.match(/([A-Z]{3,10}-\d{5,7})/)) {
            ctx.open(jira_base + match[0]);
            unbind();
            return true;
          }
          return false;
        },
        el: createEl()
      };
    }
    return data;
  }

  function unbind() {
    ctx.removeEventListener('mouseup', data.handler);
    data.bound = false;
    data.el.parentElement.removeChild(data.el);
  }

  function bind() {
    ctx.addEventListener('mouseup', data.handler);
    data.bound = true;
    ctx.document.body.appendChild(data.el);
  }
  var data = init();
  if (data.bound) {
    unbind();
  } else if (!data.handler()) {
    bind();
  }
}(window))