var inlineTags = {
  abbr: 1,
  b: 1,
  big: 1,
  code: 1,
  del: 1,
  em: 1,
  i: 1,
  ins: 1,
  label: 1,
  q: 1,
  small: 1,
  span: 1,
  strong: 1
}
module.exports = {
  // 从 rich-text 顶层标签的样式中取出一些给 rich-text
  getStyle: function(style, display) {
    if (style) {
      var i, j, res = "";
      if ((i = style.indexOf("display")) != -1)
        res = style.substring(i, (j = style.indexOf(';', i)) == -1 ? style.length : j);
      else res = "display:" + display;
      if (style.indexOf("flex") != -1) res += ';' + style.match(getRegExp("flex[:-][^;]+/g")).join(';');
      return res;
    } else return "display:" + display;
  },
  // 处理懒加载
  getNode: function(item, imgLoad) {
    if (!imgLoad) {
      delete item.attrs.src;
      item.attrs.style += ";width:20px !important;height:20px !important";
    }
    return [item];
  },
  // 是否通过 rich-text 显示
  useRichText: function(item) {
    // rich-text 不支持 inline
    if (item.c || inlineTags[item.name] || (item.attrs.style && item.attrs.style.indexOf("display:inline") != -1)) return false;
    return true;
  }
}