// ==UserScript==
// @name         修复copymanga图片错误
// @namespace    http://tampermonkey.net/
// @version      1.0.0
// @description  处理图片资源加载失败时自动重新加载
// @author       IronKinoko
// @match        https://copymanga.com/comic/*/chapter/*
// @icon         https://www.google.com/s2/favicons?domain=copymanga.com
// @grant        none
// @downloadURL none
// ==/UserScript==

(function () {
  'use strict';

  async function waitHasComicContent() {
    return new Promise((resolve, reject) => {
      function getComic() {
        const imgs = document.querySelectorAll('.comicContent-image-list li img');
        if (imgs.length) {
          resolve(imgs);
        } else {
          requestAnimationFrame(getComic);
        }
      }
      requestAnimationFrame(getComic);
    })
  }

  async function main() {
    /** @type {HTMLImageElement[]} */
    const imgs = await waitHasComicContent();

    imgs.forEach((img) => {
      img.addEventListener('error', () => {
        fixImg(img);
      });
    });
  }

  /**
   * @param {HTMLImageElement} img
   */
  function fixImg(img) {
    img.src = img.src + '?' + Math.random();
  }

  main();

}());