Avito filter

Hide aliexpress like shit
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// ==UserScript==
// @license MIT
// @name         Avito filter
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Hide aliexpress like shit
// @author       penisai
// @match        https://www.avito.ru/*
// @grant        none
// @run-at       document-end
// ==/UserScript==

(function () {
    'use strict';


    const BADGE_EXACT = [
        'Из-за рубежа',
    ];


    const KEYWORDS_ANYWHERE = [
        'Китайская лавка',
        'Дао-покупао',
        'Китайская грамота',
    ];

    // -------------------------

    const CARD_SELECTOR = 'div[data-marker="item"], div[class*="iva-item-root"], div[class*="item-root"], div[class*="snippet"], li[class*="item"]';

    function hideCard(el) {

        const card = el.closest('[data-marker="item"]') || el.closest(CARD_SELECTOR);
        if (card) {
            card.style.setProperty('display', 'none', 'important');
        } else {
            let parent = el;
            for (let i = 0; i < 5; i++) {
                if (parent.parentElement) parent = parent.parentElement;
            }
            parent.style.setProperty('display', 'none', 'important');
        }
    }

    function hideBlocks() {
        const leafNodes = document.querySelectorAll('span, div, p, a');

        for (const el of leafNodes) {
            if (el.childElementCount !== 0) continue;

            const text = el.textContent.trim();


            if (BADGE_EXACT.includes(text)) {
                hideCard(el);
                continue;
            }


            const card = el.closest(CARD_SELECTOR);
            if (card && !card._avito_checked) {
                const cardText = card.textContent;
                for (const kw of KEYWORDS_ANYWHERE) {
                    if (cardText.includes(kw)) {
                        card.style.setProperty('display', 'none', 'important');
                        break;
                    }
                }
                card._avito_checked = true;
            }
        }
    }

    hideBlocks();

    const observer = new MutationObserver(hideBlocks);
    observer.observe(document.body, { childList: true, subtree: true });

})();