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处理图片资源加载失败时自动重新加载
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// ==UserScript==
// @name 修复copymanga图片错误
// @namespace https://github.com/IronKinoko/userscripts/tree/master/packages/copymanga
// @version 1.2.0
// @license MIT
// @description 处理图片资源加载失败时自动重新加载
// @author IronKinoko
// @match https://www.copymanga.org/*
// @match https://www.copymanga.site/*
// @icon https://www.google.com/s2/favicons?domain=www.copymanga.org
// @grant none
// @noframes
// ==/UserScript==
(function () {
'use strict';
function s2d(string) {
return new DOMParser().parseFromString(string, "text/html").body.firstChild;
}
function addErrorListener(img) {
if (img.dataset.errorFix === "true")
return;
img.dataset.errorFix = "true";
img.onerror = () => {
const url = new URL(img.src);
let v = parseInt(url.searchParams.get("v")) || 0;
if (v > 5)
return img.onerror = null;
url.searchParams.set("v", ++v + "");
img.src = url.toString();
img.alt = "\u56FE\u7247\u52A0\u8F7D\u51FA\u9519";
};
}
function sleep(time) {
return new Promise((resolve) => {
setTimeout(resolve, time);
});
}
async function waitDOM(selector) {
return new Promise((resolve, reject) => {
const now = Date.now();
function getDOM() {
if (Date.now() - now > 5e3)
reject();
const dom = document.querySelector(selector);
if (dom) {
resolve(dom);
} else {
requestAnimationFrame(getDOM);
}
}
getDOM();
});
}
async function openControl() {
const li = await waitDOM("li.comicContentPopupImageItem");
li.dispatchEvent(fakeClickEvent());
await sleep(0);
li.dispatchEvent(fakeClickEvent());
}
function fakeClickEvent() {
const { width, height } = document.body.getBoundingClientRect();
return new MouseEvent("click", { clientX: width / 2, clientY: height / 2 });
}
async function currentPage() {
try {
if (!/h5\/comicContent\/.*/.test(location.href))
return;
const scrollHeight = document.scrollingElement.scrollTop;
const list = await waitHasComicContent();
let height = 0;
for (let i = 0; i < list.length; i++) {
const item = list[i];
height += item.getBoundingClientRect().height;
if (height > scrollHeight) {
const dom = document.querySelector(".comicContentPopup .comicFixed");
dom.textContent = dom.textContent.replace(/(.*)\//, `${i + 1}/`);
break;
}
}
} catch (e) {
}
}
let trackId = { current: 0 };
async function runH5main() {
try {
if (!/h5\/comicContent\/.*/.test(location.href))
return;
let runTrackId = ++trackId.current;
const ulDom = await waitDOM(".comicContentPopupImageList");
if (runTrackId !== trackId.current)
return;
const uuid = getComicId();
const domUUID = ulDom.dataset.uuid;
if (domUUID !== uuid) {
ulDom.dataset.uuid = uuid;
}
injectFixImg$1();
injectFastLoadImg$1();
const main = ulDom.parentElement;
main.style.position = "unset";
main.style.overflowY = "unset";
let nextPartDom = document.querySelector("#comicContentMain #nextpart");
let nextButton = document.querySelector(".comicControlBottomTop > div:nth-child(3) > span");
if (!nextPartDom) {
if (!nextButton) {
await openControl();
nextButton = document.querySelector(".comicControlBottomTop > div:nth-child(3) > span");
}
nextPartDom = document.createElement("div");
nextPartDom.style.textAlign = "center";
nextPartDom.style.lineHeight = "50px";
nextPartDom.style.fontSize = "16px";
nextPartDom.style.paddingBottom = "100px";
nextPartDom.textContent = "\u4E0B\u4E00\u8BDD";
nextPartDom.id = "nextpart";
nextPartDom.onclick = async (e) => {
e.stopPropagation();
nextButton && nextButton.click();
document.scrollingElement.scrollTop = 0;
};
document.getElementById("comicContentMain").appendChild(nextPartDom);
}
nextPartDom.style.display = nextButton.parentElement.classList.contains("noneUuid") ? "none" : "block";
} catch (error) {
throw error;
}
}
function getComicId() {
const [, uuid] = location.href.match(/h5\/comicContent\/.*\/(.*)/);
return uuid;
}
async function waitHasComicContent() {
return document.querySelectorAll(".comicContentPopupImageItem");
}
async function addH5HistoryListener() {
history.pushState = _historyWrap("pushState");
history.replaceState = _historyWrap("replaceState");
window.addEventListener("pushState", runH5main);
window.addEventListener("replaceState", runH5main);
window.addEventListener("popstate", runH5main);
window.addEventListener("scroll", currentPage);
runH5main();
}
const _historyWrap = function(type) {
const orig = history[type];
const e = new Event(type);
return function() {
const rv = orig.apply(this, arguments);
window.dispatchEvent(e);
return rv;
};
};
async function injectFixImg$1() {
const listDOM = await waitDOM(".comicContentPopupImageList");
async function injectEvent() {
const imgs = document.querySelectorAll("ul li img");
imgs.forEach(addErrorListener);
}
const ob = new MutationObserver(injectEvent);
ob.observe(listDOM, { childList: true, subtree: true });
injectEvent();
}
async function injectFastLoadImg$1() {
const $list = await waitDOM(".comicContentPopupImageList");
function fastLoad() {
const $imgs = document.querySelectorAll("ul li img");
$imgs.forEach(($img) => {
if ($img.dataset.fastLoad === $img.dataset.src)
return;
$img.dataset.fastLoad = $img.dataset.src;
$img.src = $img.dataset.src;
});
}
const ob = new MutationObserver(fastLoad);
ob.observe($list, {
childList: true,
subtree: true,
attributes: true,
attributeFilter: ["data-src"]
});
}
function h5() {
addH5HistoryListener();
}
function replaceHeader() {
const header = document.querySelector(".container.header-log .row");
if (header) {
header.style.flexWrap = "nowrap";
header.querySelector("div:nth-child(6)").replaceWith(s2d(`<div class="col-1">
<div class="log-txt">
<a href="/web/person/shujia">\u6211\u7684\u4E66\u67B6</a>
<div class="log-unboder"></div>
</div>
</div>`));
header.querySelector("div:nth-child(7)").replaceWith(s2d(`<div class="col-1">
<div class="log-txt">
<a href="/web/person/liulan">\u6211\u7684\u6D4F\u89C8</a>
<div class="log-unboder"></div>
</div>
</div>`));
header.querySelector("div:nth-child(8)").className = "col";
header.querySelector("div.col > div > div").style.justifyContent = "flex-end";
}
}
async function injectFixImg() {
const listDOM = await waitDOM("ul.comicContent-list");
async function injectEvent() {
const imgs = document.querySelectorAll("ul li img");
imgs.forEach(addErrorListener);
}
const ob = new MutationObserver(injectEvent);
ob.observe(listDOM, { childList: true, subtree: true });
injectEvent();
}
async function injectFastLoadImg() {
const $list = await waitDOM(".comicContent-list");
function fastLoad() {
const $imgs = $list.querySelectorAll("li img");
$imgs.forEach(($img) => {
if ($img.dataset.fastLoad === "true")
return;
$img.dataset.fastLoad = "true";
$img.src = $img.dataset.src;
});
}
const ob = new MutationObserver(fastLoad);
ob.observe($list, { childList: true, subtree: true });
}
function pc() {
if (/comic\/.*\/chapter/.test(location.href)) {
injectFixImg();
injectFastLoadImg();
}
replaceHeader();
}
if (location.pathname.startsWith("/h5")) {
h5();
} else {
pc();
}
})();