FFnet Review Indexing

// ==UserScript==
// @name         Review Indexing Script
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Indexing Reviews for https://fanlore.org/w/index.php?title=Dreaming_of_Sunshine
// @author       You
// @match        https://www.fanfiction.net/r/*
// @grant        none
// @require      http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
// ==/UserScript==

(function() {
  'use strict';

  Date.prototype.getMonthName = function(lang) {
    lang = lang && (lang in Date.locale) ? lang : 'en';
    return Date.locale[lang].month_names[this.getMonth()];
  };
  Date.prototype.getMonthNameShort = function(lang) {
      lang = lang && (lang in Date.locale) ? lang : 'en';
      return Date.locale[lang].month_names_short[this.getMonth()];
  };
  Date.locale = {
      en: {
         month_names: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
         month_names_short: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
      }
  };

  // Adding a function to arrays to get the last element.
  if (!Array.prototype.last){
    Array.prototype.last = function(){
        return this[this.length - 1];
    };
  };

  // Adding the format function to Strings.
  String.prototype.format = function() {
    var formatted = this;
    for (var i = 0; i < arguments.length; i++) {
      var regexp = new RegExp('\\{'+i+'\\}', 'gi');
      formatted = formatted.replace(regexp, arguments[i]);
    }
    return formatted;
  };


  // There's no where on the page that has the author information for the story. Could potentially load up another page, but eh.
  // Set this value if you want to automate it; otherwise leave it as is and search/replace later.
  var author = "(AUTHOR)"

  // Get Page URL
  var pageURL = self.location;

  // find the table element containing the reviews
  var reviewTable = $('.table')[0];
  // Get the story title - table . thead . tr . th . a(href) - 'https://www.fanfiction.net/s/7347955/1/Dreaming-of-Sunshine'
  var storyTitleHRef = reviewTable.children[0].children[0].children[0].children[1].href;
  var storyTitle = storyTitleHRef.split('/').last();
  // get the list of individual reviews - table . tbody . list<tr>
  var reviews = reviewTable.children[1].children;

  for(let i = 0; i < reviews.length; i++) {
    // Get the attributes we want
    // Small... thing. Contains date and chapter
    var chapter = $(reviews[i].children[0]).children('small')[0].textContent.split('.')[0].trim();
    var date = new Date(0);
    date.setUTCSeconds(parseInt($(reviews[i].children[0]).children('small')[0].children[0].dataset.xutime));
    // Username is either just text if it's anon, or this value is blank and the next element is an aref
    var username = reviews[i].children[0].childNodes[2].textContent.trim();
    if(username === "") {
      username = reviews[i].children[0].childNodes[3].href.split('/').last();
    }

    var indexString = "{0}, [{1} {2} by {3} - Review for {4}] Posted {5} {6} {7}".format(username, pageURL, storyTitle, author, chapter, date.getDate(), date.getMonthName(), date.getFullYear());
    var indexSpan = "<span style='color:gray;font-style:italic'>" + indexString + "</span>";

    reviews[i].children[0].innerHTML += indexSpan;
  }
})();