MAL extra stats

Adds favorite/dropped % and unweighted score to myanimelist stats page

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

You will need to install an extension such as Tampermonkey to install this script.

Tendrás que instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Tendrás que instalar una extensión como Tampermonkey antes de poder instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         MAL extra stats
// @namespace    http://tampermonkey.net/
// @version      0.7.0
// @description  Adds favorite/dropped % and unweighted score to myanimelist stats page
// @author       pepe
// @match        https://myanimelist.net/*/stats*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=myanimelist.net
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    //https://stackoverflow.com/questions/32229667/have-max-2-decimal-places
    function roundDrop(num) {
        return Math.round(num / 0.005) * 0.005;
    }
    function roundFav(num) {
        return Math.round(num / 0.0001) * 0.0001;
    }

    // drop %
    let watching = document.querySelectorAll('[valign="top"]:nth-child(2) .spaceit_pad')[0].textContent.split(" ")[1].replace(/,/g,"");
    let completed = document.querySelectorAll('[valign="top"]:nth-child(2) .spaceit_pad')[1].textContent.split(" ")[1].replace(/,/g,"");
    let dropped = document.querySelectorAll('[valign="top"]:nth-child(2) .spaceit_pad')[3].textContent.split(" ")[1].replace(/,/g,"");
    let total_viewers = parseInt(watching) + parseInt(completed) + parseInt(dropped);
    let dropPercent = +parseFloat(roundDrop((dropped/total_viewers).toFixed(3))*100).toFixed(2); console.log(`${dropped}/${total_viewers}=${(dropped/total_viewers).toFixed(3)}`)
    document.querySelectorAll('[valign="top"]:nth-child(2) .spaceit_pad')[3].innerHTML += " ("+dropPercent+"%)"

    // fav %
    let favEL = document.querySelectorAll('[valign="top"]:nth-child(1) .spaceit_pad');
    let totalEL = document.querySelectorAll('[valign="top"]:nth-child(2) .spaceit_pad')[5];
    let regex = /,| |\n/g;
    let fav = favEL[favEL.length-1].textContent.split(":")[1].replaceAll(regex,""); console.log(fav)
    let favPercent = +parseFloat(roundFav((fav/(total_viewers-parseInt(dropped))).toFixed(3))*100).toFixed(2);

    // add favs to stats
    let newFavEL = `<div class="spaceit_pad"><span class="dark_text" style="color:inherit!important;">Favorites:</span> ${fav} (${favPercent}%)</div>`
    let favDOM = new DOMParser().parseFromString(newFavEL, "text/xml");
    totalEL.parentNode.insertBefore(favDOM.documentElement, totalEL.nextSibling);

    // chart score
    var scores = [];
    var score_bars = document.getElementsByClassName("updatesBar");
    let chart_score = 0;
    let chart_votes = 0;
    for(let i = 0; i < score_bars.length; i++){
        var votes_by_score = score_bars[i].nextElementSibling.getElementsByTagName("small")[0].innerHTML;
        votes_by_score = votes_by_score.substring(votes_by_score.lastIndexOf("(")+1,votes_by_score.lastIndexOf(" "));
        for(let j = 0; j < votes_by_score; j++){
            let score = parseInt(score_bars[i].parentElement.parentElement.previousElementSibling.textContent)
            if(score<10 && score>1) scores.push(score);
        }
        let bar_score = document.querySelectorAll('td.score-label')[i].textContent
        chart_score += Number(bar_score) * Number(votes_by_score)
        chart_votes += Number(votes_by_score)
    }
    chart_score = (chart_score/chart_votes).toFixed(2);

    // inverse calculation of Weighted MAL Score
    function UnweightedScore(){
        try{
            let score_count = document.querySelector('[itemprop=ratingCount]').textContent;
            let mal_rating = Number(document.querySelector('[itemprop=ratingValue]').textContent);
            score_count = Number(score_count.replace(/,/g, ''))
            let UnweightedWithoutBots = ((mal_rating/(score_count/(100+score_count)))-((100/(score_count+100))/(score_count/(100+score_count)))*6.37)

            return ` | est ${UnweightedWithoutBots.toFixed(2)} | mal ${mal_rating}`
        }catch(e){
            return ` (data unreliable)`
        }
    }

    function ChartWithoutFanboys(dataSet){
        const nines = dataSet.filter(n => n == 9)
        nines.forEach(n => dataSet.push(10)) // same amount of 10s as 9s

        const sum = dataSet.reduce((accumulator, currentValue) => accumulator + currentValue, 0);
        const average = (sum / dataSet.length).toFixed(2);

        return average
    }

    document.querySelector("table.score-stats").previousElementSibling.outerHTML= '<br><div class="spaceit_pad"><h2>Score Stats</h2> <div class="tooltip" style="margin-bottom:5px;">chart '+chart_score+
        UnweightedScore() +`<span class="tooltiptext">Estimate is unweighted mal score</span></div>`

    document.head.insertAdjacentHTML("beforeend", `<style>

.tooltip {
  position: relative;
  display: inline-block;
  border-bottom: 1px dotted rgba(155,155,155,0.4);
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 120px;
  background-color: black;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px 0;

  /* Position the tooltip */
  position: absolute;
  z-index: 1;
}

.tooltip .tooltiptext {
  width: 320px;
  bottom: 100%;
  left: 50%;
  margin-left: -60px; /* Use half of the width (120/2 = 60), to center the tooltip */
}

.tooltip:hover .tooltiptext {visibility: visible;}

</style>`)

})();