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annotate melonbooks-unlazy.user.js @ 127:a701294f38ff

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More reliable state handling
author nanaya <me@nanaya.net>
date Sat, 21 Jan 2023 03:15:26 +0900
parents d9dc190bccaf
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1 // ==UserScript==
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2 // @name melonbooks unlazy
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3 // @namespace https://nanaya.net
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4 // @match https://www.melonbooks.co.jp/*
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5 // @grant none
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6 // @run-at document-start
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7 // @version 1.0.5
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8 // @author nanaya
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9 // @description replace lazy loaded images with just images
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10 // @downloadURL https://hg.nanaya.net/ec-userscripts/raw-file/tip/melonbooks-unlazy.user.js
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11 // ==/UserScript==
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12
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13 'use strict';
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15 function fix (image) {
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16 if (!image.classList.contains('lazyload')) return;
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17
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18 const src = image.dataset.src;
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20 if (src == null || src === '') return;
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22 image.classList.remove('lazyload');
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23 image.src = image.dataset.src;
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24 delete image.dataset.src;
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25 }
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27 function run (node) {
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28 if (!(node instanceof window.HTMLElement)) return;
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30 fix(node);
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31 for (const image of node.querySelectorAll('.lazyload')) {
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32 fix(image);
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33 }
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34 }
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36 function onMutate (mutations) {
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37 for (const mutation of mutations) {
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38 for (const node of mutation.addedNodes) {
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39 run(node);
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40 }
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41 }
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42 }
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44 const observer = new window.MutationObserver(onMutate);
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45 observer.observe(document, { childList: true, subtree: true });
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46 run(document.body);