Free your hand from mouse/keyboard
Version au
// ==UserScript==
// @name MZITU Infinite Scroll
// @namespace http://www.mzitu.com/
// @version 0.1
// @description Free your hand from mouse/keyboard
// @author You
// @match https://www.mzitu.com/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
const displayArea = document.querySelector('.main-image p');
let page = document;
let lock = false;
let lastPage = null;
document.addEventListener('scroll', checkAndLoad, {passive: true});
checkAndLoad();
async function checkAndLoad() {
if (document.body.clientHeight - window.scrollY < window.innerHeight * 4 && !lock) {
lock = true;
page = await loadPage(page);
lock = false;
}
}
function loadPage(dom) /* Promise<HTMLDocument>: the document of next page */ {
const nextPageA = dom.querySelector('.pagenavi a:last-child');
if (nextPageA.innerText !== '下一页»' || lastPage === nextPageA.href) return;
lastPage = nextPageA.href;
return fetch(nextPageA.href)
.then(e => e.text())
.then(rawHtml => {
const parser = new DOMParser();
const newDom = parser.parseFromString(rawHtml, 'text/html');
displayArea.appendChild(newDom.querySelector('.main-image img'));
return newDom;
});
}
})();