Filters TwitchPlaysPokemon chat

twitchplayspokemonfilter.js

var chatButton = $("ul.segmented_tabs li a").first();
$("<li><a class='CommandsToggle'>Commands</a><a class='ChatToggle'>Talk</a></li>").insertAfter(chatButton);
chatButton.css("width", chatButton.width() - 71);
$(".CommandsToggle").click(function () {
  "use strict";
  $("a.CommandsToggle").toggleClass("selected");
  if ($(".commandsHideCSS").length !== 0) {
    $(".commandsHideCSS").remove()
  } else {
    $("<style type='text/css' class='commandsHideCSS'>#chat_line_list li.cSpam{display:inline;}</style>").appendTo("head")
  }
});
$(".ChatToggle").click(function () {
  "use strict";
  $("a.ChatToggle").toggleClass("selected");
  if ($(".chatHideCSS").length !== 0) {
    $(".chatHideCSS").remove()
  } else {
    $("<style type='text/css' class='chatHideCSS'>#chat_line_list li.cSafe{display:inline;}</style>").appendTo("head")
  }
});
$(".ChatToggle").click();
CurrentChat.line_buffer = 800;
var extraCSS = " <style type='text/css' > " + " .segmented_tabs li li a.CommandsToggle { " + " width: 50px; " + " padding-left: 0px; " + " padding-top: 0; " + " height: 8px; " + " line-height: 115%; " + " } " + " " + " .segmented_tabs li li a.ChatToggle { " + " width: 35px; " + " padding-left: 15px; " + " padding-top: 0; " + " height: 8px; " + " line-height: 115%; " + " } " + " " + " #chat_line_list li { " + " display:none; " + " } " + " </style> ";
$(extraCSS).appendTo("head");
setInterval(function () {
  "use strict";
  $('#chat_line_list li:not(.cSpam):not(.cSafe)').each(function () {
    var a = $(this),
      cText = a.find(".chat_line").text();
    if (cText && !cText.match(/^(up|down|left|right|a|b|start|democracy|anarchy|select?)$/i)) {
      a.addClass("cSafe")
    } else {
      a.addClass("cSpam")
    }
  });
  if (CurrentChat.currently_scrolling) {
    CurrentChat.scroll_chat()
  }
}, 100);