hitode_pack.user.js

// ==UserScript==
// @name           hitode pack
// @namespace      http://ss-o.net
// @include        http://twitter.com/*
// ==/UserScript==
function hitode_pack(){
  Array.prototype.forEach.call(document.querySelectorAll('.entry-content, .status') , function(a){
    var text = a.innerHTML.trim();
    if (text[0] === text[1]) {
      var l = 0;
      var html = text.match(/(.)\1*/g).map(function(s,i,a){
        l += s.length / a.length;
        return {c:s[0],l:s.length};
      }).map(function(v){
        if (v.l > l * 1.7){
          return v.c + v.c;
        } else {
          return v.c;
        }
      }).join('');
      if(l < 1.7) return;
      a.innerHTML = html.replace(/https?:\/\/[^\s\])'"）」】]+/g,function(h){
        return '<a href="'+h+'">'+h+'</a>';
      }).replace(/@(\w+)/g,'<a href="$1">$&</a>') + '<br><br>'  + a.innerHTML;
    }
  });
}
var t = document.getElementById('timeline') || document.getElementById('permalink');
if (t) {
  hitode_pack();
  t.addEventListener('DOMNodeInserted', function F() {
    t.removeEventListener('DOMNodeInserted', F, false);
    setTimeout(function(){
      hitode_pack();
      t.addEventListener('DOMNodeInserted', F, false);
    },1000);
  }, false);
}