NHentai PervertMonkey

Infinite scroll [optional], Filter by Title
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// ==UserScript==
// @name         NHentai PervertMonkey
// @namespace    pervertmonkey
// @version      4.0.20
// @author       violent-orangutan
// @description  Infinite scroll [optional], Filter by Title
// @license      MIT
// @icon         https://www.google.com/s2/favicons?sz=64&domain=nhentai.net
// @homepage     https://github.com/smartacephale/sleazy-fork#readme
// @homepageURL  https://sleazyfork.org/en/users/1253342-smartacephale
// @source       https://github.com/smartacephale/sleazy-fork
// @supportURL   https://github.com/smartacephale/sleazy-fork/issues
// @match        https://*.nhentai.net/*
// @match        https://*.nhentai.*/*
// @require      https://cdn.jsdelivr.net/npm/[email protected]/dist/core/pervertmonkey.core.umd.js
// @grant        GM_addStyle
// @grant        unsafeWindow
// @run-at       document-idle
// ==/UserScript==

var ___core = window.pervertmonkey.core || pervertmonkey.core;
var ___utils = ___core;


(function(___core, ___utils) {
	"use strict";
	var IS_TITLE_PAGE = /^\/g\/\d+/.test(location.pathname);
	var IS_SEARCH_PAGE = /^\/search\//.test(location.pathname);
	var nhentaiRules = new ___core.Rules({
		thumbs: { selector: ".gallery" },
		thumb: { selectors: { title: ".caption" } },
		thumbImg: {
			strategy: "auto",
			remove: "auto"
		},
		containerSelectorLast: ".index-container, .container",
		schemeOptions: [
			"Title Filter",
			"Badge",
			"Advanced"
		],
		gropeStrategy: "all-in-all"
	});
	var filterDescriptors = {
		english: {
			query: "english",
			name: "🇬🇧"
		},
		japanese: {
			query: "japanese",
			name: "🇯🇵"
		},
		chinese: {
			query: "chinese",
			name: "🇨🇳"
		},
		gay: {
			query: "-gay",
			name: "Exclude Gay"
		},
		fullColor: {
			query: "color",
			name: "Full Color"
		}
	};
	function checkURL(url_) {
		return Object.keys(filterDescriptors).reduce((url, k) => {
			const q = filterDescriptors[k].query;
			return nhentaiRules.store.state.custom[k] ? url.includes(q) ? url : `${url}+${q}` : url.replace(`+${q}`, () => "");
		}, url_);
	}
	function filtersUI() {
		const state = nhentaiRules.store.state;
		const btnContainer = Array.from(document.querySelectorAll(".sort-type")).pop();
		const descs = Array.from(Object.keys(filterDescriptors));
		[
			descs.slice(0, 3),
			[descs[3]],
			[descs[4]]
		].forEach((groupOfButtons) => {
			const btns = (0, ___utils.parseHtml)(`<div class="sort-type"></div>`);
			groupOfButtons.forEach((k) => {
				const btn = (0, ___utils.parseHtml)(`<a href="#" ${state.custom[k] ? "style=\"background: rgba(59, 49, 70, 1)\"" : ""}>${filterDescriptors[k].name}</a>`);
				btn.addEventListener("click", (e) => {
					e.preventDefault();
					state.custom[k] = !state.custom[k];
					location.href = checkURL(location.href);
				});
				btns.append(btn);
			});
			btnContainer?.after(btns);
		});
		const fixedURL = checkURL(location.href);
		if (location.href !== fixedURL) location.href = checkURL(location.href);
	}
	function findSimilar() {
		let tags = Array.from(document.querySelectorAll(".tags .tag[href^=\"/tag/\"] .name")).map((tag) => tag.innerText).join(" ").split(" ");
		tags = Array.from(new Set(tags)).sort((a, b) => a.length - b.length);
		const urls = {
			searchSimilar: `/search/?q=${tags.slice(0, 5).join("+")}`,
			searchSimilarLess: `/search/?q=${tags.reverse().slice(0, 5).join("+")}`
		};
		Object.keys(urls).forEach((url) => {
			urls[url] = checkURL(urls[url]);
		});
		Array.from(document.links).filter((l) => /\/(search|category|tag|character|artist|group|parody)\/\w+/.test(l.href)).forEach((l) => {
			l.href = checkURL(l.href.replace(/(search|category|tag|character|artist|group|parody)\//, "search/?q=").replace(/\/$/, ""));
		});
		document.querySelector(".buttons")?.append((0, ___utils.parseHtml)(`<a href="${urls.searchSimilar}" class="btn" style="background: rgba(59, 49, 70, 1)"><i class="fa fa-search"></i> Similar</a>`), (0, ___utils.parseHtml)(`<a href="${urls.searchSimilarLess}" class="btn" style="background: rgba(59, 49, 70, .9)"><i class="fa fa-search"></i> Less Similar</a>`));
	}
	function route() {
		if (!nhentaiRules.store.state.custom) {
			const custom = Object.entries(filterDescriptors).reduce((acc, [k, _]) => {
				acc[k] = false;
				return acc;
			}, {});
			Object.assign(nhentaiRules.store.state, { custom });
		}
		if (IS_TITLE_PAGE) findSimilar();
		if (IS_SEARCH_PAGE) filtersUI();
	}
	route();
})(___core, ___utils);