Konachan

konachan.user.js

// ==UserScript==
// @name        Konachan
// @namespace   sn-konochan-https-imager
// @include     https://konachan.com/*
// @version     1.1
// @grant       none
// ==/UserScript==

window.snKonachanStatus = "scriptloaded";
document.addEventListener("DOMContentLoaded", () => {
  window.snKonachanStatus = "scriptready";                       
  function relativify(element, attributeName, whenError = false) {
    let fn = () => {
      element[attributeName] = element[attributeName].replace(/^http:/, "");
    }
    if (whenError)
      element.onerror = fn;
    else
      fn();
  }
  try {
    relativify(document.querySelector("#logo").parentElement, "href");
    for (let item of Array.from(document.querySelectorAll("img.preview, img.image"))) {
      relativify(item, "src", true);
    }
    window.snKonachanStatus = "secured";
  }
  catch (e) { window.snKonachanStatus = `error: ${e.message}`; }
});