item(item) {
    var content = Object(core["qs"])(item, "a"),
        href = content.getAttribute("href") || "",
        text = content.textContent || "",
        page = parseInt(text),
        isCfi = href.indexOf("epubcfi"),
        split,
        packageUrl,
        cfi;

    if (isCfi != -1) {
      split = href.split("#");
      packageUrl = split[0];
      cfi = split.length > 1 ? split[1] : false;
      return {
        "cfi": cfi,
        "href": href,
        "packageUrl": packageUrl,
        "page": page
      };
    } else {
      return {
        "href": href,
        "page": page
      };
    }
  }
Page List Item
@private
@param  {node} item
@return {object} pageListItem