rewrite-shenduba.user.js

gistfile1.txt

// ==UserScript==
// @name         Restore Original Image URLs
// @namespace    restore-original-image-urls
// @version      0.1
// @description  将部分图片代理地址还原为原始图片地址，避免另存为 webp
// @match        *://*/*
// @run-at       document-start
// ==/UserScript==

(function () {
  'use strict';

  function restoreUrl(url) {
    if (!url) return url;

    return url
      .replace(/^https:\/\/i\d\.wp\.com\/raw\.githubusercontent\.com\//, 'https://raw.githubusercontent.com/')
      .replace(/^https:\/\/i\d\.wp\.com\//, 'https://');
  }

  function processElement(el) {
    const attrs = ['src', 'href', 'data-src', 'data-original', 'data-lazy-src'];

    for (const attr of attrs) {
      const value = el.getAttribute?.(attr);
      if (!value) continue;

      const restored = restoreUrl(value);
      if (restored !== value) {
        el.setAttribute(attr, restored);
      }
    }

    const srcset = el.getAttribute?.('srcset');
    if (srcset) {
      const restored = srcset.replace(/https:\/\/i\d\.wp\.com\/raw\.githubusercontent\.com\//g, 'https://raw.githubusercontent.com/');
      if (restored !== srcset) {
        el.setAttribute('srcset', restored);
      }
    }
  }

  function processPage() {
    document.querySelectorAll('img, a, source').forEach(processElement);
  }

  const observer = new MutationObserver(() => processPage());

  function start() {
    processPage();
    observer.observe(document.documentElement, {
      childList: true,
      subtree: true,
      attributes: true,
      attributeFilter: ['src', 'href', 'srcset', 'data-src', 'data-original', 'data-lazy-src'],
    });
  }

  if (document.documentElement) {
    start();
  } else {
    document.addEventListener('DOMContentLoaded', start, { once: true });
  }
})();