// ==UserScript==
// @name        OnionAborn
// @namespace   http://localhost
// @description No Drug No Spam
// @include     http://xiwayy2kn32bo3ko.onion/ura/subback.html
// @version     1
// @grant       none
// ==/UserScript==
(function () {
    //NGワード
  const ng_words = ["発送","アイス","クリスタル","氷","キメ","ｷﾒ","配達","お待ち","お電話","手押し","支払い","連絡","営業","都内","野菜","八百屋"];
  var onionaborn = function(node){
    var textData = document.evaluate("//a[@href]/text()", node, null, 6, null);
    var elementBr = document.getElementsByTagName("br");
    var i, j, lenNG, txt;
    for (i=textData.snapshotLength - 1; 0<=i; --i) {
      txt = textData.snapshotItem(i).nodeValue;
      for (j=0, lenNG=ng_words.length; j<lenNG; j++){
        if(txt.indexOf(ng_words[j]) >= 0){
          //NGの空白化
          textData.snapshotItem(i).nodeValue = "";
          //<br>要素の削除
          elementBr[i].parentNode.removeChild(elementBr[i]);
          break;
        }
      }
    }
  };

  var nodeText = document.evaluate('//text()', document, null, 6, null);
  var nodePre = document.evaluate('//pre', document, null, 6, null);
  if (nodeText.snapshotLength===1 && nodePre.snapshotLength===1){
    var del = nodeText.snapshotItem(0);
    var lines = del.nodeValue.split(/\r?\n/);
    var ins = document.createElement('pre');
    ins.style.whiteSpace = 'pre-wrap';
    del.parentNode.replaceChild(ins, del);
    var i, len;
    for(i=0, len=lines.length; i<len; i++){
      ins.appendChild(document.createTextNode(lines[i]));
      ins.appendChild(document.createElement('br'));
    }
  }

  onionaborn(document);
  document.addEventListener('DOMNodeInserted', function(e){ onionaborn(e.target); }, false);
  document.addEventListener('DOMCharacterDataModified', function(e){ onionaborn(e.target); }, false);
  document.addEventListener('DOMAttrModified', function(e){ onionaborn(e.target); }, false);
})();