Add a badge of ProtonDB Status to Steam store page with shields.io.
// ==UserScript==
// @name ProtonDB Status Badge
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Add a badge of ProtonDB Status to Steam store page with shields.io.
// @author eggplants
// @homepage https://github.com/eggplants
// @match *://store.steampowered.com/app/*
// @grant none
// @license MIT
// ==/UserScript==
/*jshint esversion: 6 */
(function() {
'use strict';
var D = document;
const appid = D.querySelector("meta[property='og:url']").content.split('/')[4];
const badgeHref = 'https://www.protondb.com/app/' + appid;
const badgeSrc = `https://img.shields.io/badge/dynamic/json.svg
?uri=https://www.protondb.com/api/v1/reports/summaries/${appid}.json
&query=$.trendingTier
&label=ProtonDB
&colorB=e3e3e3
&style=plastic`.replace(/\s+/g, "");
var protonElm = D.createElement('div');
protonElm.innerHTML = `
<div class="dev_row">
<div class="subtitle column">ProtonDB:</div>
<div class="summary column">
<a href="${badgeHref}" target="_blank">
<img src="${badgeSrc}" />
</a>
</div>
</div>`.trim();
D.querySelector('div.user_reviews').appendChild(protonElm.firstChild);
})();