A manga helper for wnacg.com
// ==UserScript==
// @name wnacg-helper
// @namespace https://www.wnacg.com/
// @version 0.0.1
// @author dzh
// @description A manga helper for wnacg.com
// @license MIT
// @icon https://www.wnacg.com/favicon.ico
// @match https://www.wnacg.com/*
// ==/UserScript==
(function () {
'use strict';
(function() {
$(document).ready(() => {
observerImgList();
});
$(window).on("load", () => {
$(document).keydown(handleKeydownEvent);
});
function observerImgList() {
const targetNode = document.getElementById("img_list");
if (!targetNode) return;
const observer = new MutationObserver(handleMutationCallback);
observer.observe(targetNode, {
childList: true,
subtree: true
});
}
function handleMutationCallback(mutationList, observer) {
mutationList.forEach((mutation) => {
if (mutation.type === "childList") {
autoChangeWidth();
}
});
}
function autoChangeWidth() {
const imgList = document.querySelectorAll("#img_list img");
imgList.forEach((img) => {
img.style.width = "60%";
});
}
function handleKeydownEvent(e) {
switch (e.key) {
case "=":
plusWidth();
break;
case "-":
minusWidth();
break;
case "r":
autoChangeWidth();
break;
}
}
function plusWidth() {
const imgList = document.querySelectorAll("#img_list img");
const plusStep = 2;
imgList.forEach((img) => {
const width = parseInt(img.style.width);
img.style.width = `${width + plusStep}%`;
});
}
function minusWidth() {
const imgList = document.querySelectorAll("#img_list img");
const minusStep = 2;
imgList.forEach((img) => {
const width = parseInt(img.style.width);
if (width <= 10) return;
img.style.width = `${width - minusStep}%`;
});
}
})();
})();