Habr Visor

Hide habs from habr

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Greasemonkey lub Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Violentmonkey.

Aby zainstalować ten skrypt, wymagana będzie instalacja rozszerzenia Tampermonkey lub Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

Aby zainstalować ten skrypt, musisz zainstalować rozszerzenie menedżera skryptów użytkownika.

(Mam już menedżera skryptów użytkownika, pozwól mi to zainstalować!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Musisz zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

(Mam już menedżera stylów użytkownika, pozwól mi to zainstalować!)

// ==UserScript==
// @name         Habr Visor
// @match        https://habr.com/*
// @grant        GM_addStyle
// @namespace    http://tampermonkey.net/
// @version      1.0.1
// @description  Hide habs from habr
// @author       You
// @icon         https://www.google.com/s2/favicons?sz=64&domain=tampermonkey.net
// @license      MIT
// @run-at       document-end
// ==/UserScript==

const KEY = 'habr-visor-data';
const STYLE_ID = 'v-visor-styles';
const ICON = `<svg viewBox="0 0 512 512" style="width:20px;height:20px;color:var(--color-text-second,#999);pointer-events:none"><circle cx="256" cy="256" r="64" fill="currentColor"/><path d="M490.84 238.6c-26.46-40.92-60.79-75.68-99.27-100.53C349 110.55 302 96 255.66 96c-42.52 0-84.33 12.15-124.27 36.11c-40.73 24.43-77.63 60.12-109.68 106.07a31.92 31.92 0 0 0-.64 35.54c26.41 41.33 60.4 76.14 98.28 100.65C162 402 207.9 416 255.66 416c46.71 0 93.81-14.43 136.2-41.72c38.46-24.77 72.72-59.66 99.08-100.92a32.2 32.2 0 0 0-.1-34.76zM256 352a96 96 0 1 1 96-96a96.11 96.11 0 0 1-96 96z" fill="currentColor"/></svg>`;

GM_addStyle(`
    #vBtn { cursor: pointer; padding: 8px; display: flex; align-items: center; border-radius: 4px; position: relative; margin-right: 8px; align-self: center; z-index: 1000; }
    #vBtn:hover { background: var(--color-background-field, rgba(128,128,128,0.1)); }
    .v-pop {
        position: absolute; top: 48px; right: 0; width: 320px; padding: 20px; border-radius: 12px;
        box-shadow: 0 12px 40px rgba(0,0,0,0.5); display: none; flex-direction: column;
        background: var(--color-background-card, #fff); border: 1px solid var(--color-border-elements, #ddd);
        color: var(--color-text-main, #333); z-index: 10001; font-size: 16px;
    }
    @media (prefers-color-scheme: dark) {
        .v-pop { background: #1c1c1d; border-color: #333; color: #eee; }
        .v-in { background: #2d2d2e!important; border-color: #444!important; color: #fff!important; }
    }
    .v-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; max-height: 150px; overflow-y: auto; }
    .v-tag { background: var(--color-primary-main, #5d83b3); color: #fff!important; padding: 4px 10px; border-radius: 6px; font-size: 14px; display: flex; align-items: center; gap: 8px; line-height: 1.2; }
    .v-tag b { cursor: pointer; font-size: 18px; line-height: 1; }
    .v-in { width: 100%; padding: 12px; border: 1px solid var(--color-border-elements); border-radius: 6px; outline: none; margin-bottom: 14px; box-sizing: border-box; font-size: 16px; }
    .v-footer { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; font-weight: bold; }
    .v-clear { text-decoration: underline; cursor: pointer; opacity: 0.6; font-size: 14px; font-weight: normal; }
`);

let state = { tags: [], show: false };
let lastCss = "";

try {
    const s = localStorage.getItem(KEY);
    if (s) state = JSON.parse(s);
} catch (e) {
    console.error("Visor Error:", e);
}

const updatePageStyles = () => {
    const activeTags = state.tags.map(t => t.toLowerCase());
    const blockedIds = [];

    const articles = document.querySelectorAll('article');

    for (const art of articles) {
        const hubs = Array.from(art.querySelectorAll('.tm-publication-hub__link span, .tm-article-snippet__hubs-item'))
        .map(s => s.innerText.trim().toLowerCase());

        const shouldBlock = activeTags.some(t => hubs.some(h => h.includes(t)));

        if (shouldBlock) {
            const id = art.id || art.getAttribute('data-aid');
            if (id) blockedIds.push(`[id="${id}"]`);
        }
    };

    const currentCount = blockedIds.length;
    const cssContent = currentCount > 0
        ? (state.show
            ? `${blockedIds.join(', ')} { opacity: 0.45 !important; filter: grayscale(1) !important; }`
            : `${blockedIds.join(', ')} { display: none !important; }`)
        : "";

    if (cssContent !== lastCss) {
        let styleTag = document.getElementById(STYLE_ID);
        if (!styleTag) {
            styleTag = document.createElement('style');
            styleTag.id = STYLE_ID;
            document.head.appendChild(styleTag);
        }
        styleTag.textContent = cssContent;
        lastCss = cssContent;
    }

    const counter = document.getElementById('vCount');
    if (counter) counter.innerText = currentCount;
};

const save = () => {
    localStorage.setItem(KEY, JSON.stringify(state));
    renderTags();
    updatePageStyles();
};

const renderTags = () => {
    const cont = document.querySelector('.v-tags');
    if (!cont) return;
    cont.innerHTML = state.tags.map((t, i) => `<span class="v-tag">${t}<b data-idx="${i}">×</b></span>`).join('');
    cont.querySelectorAll('b').forEach(b => {
        b.onclick = (e) => {
            e.stopPropagation();
            state.tags.splice(parseInt(b.dataset.idx, 10), 1);
            save();
        };
    });
};

const inject = () => {
    const header = document.querySelector('.tm-header__container');
    if (!header || document.getElementById('vBtn')) return;

    const btn = document.createElement('div');
    btn.id = 'vBtn';
    btn.innerHTML = `${ICON}<div class="v-pop" id="vPop">
        <div class="v-footer"><span>Фильтры хабов</span><span class="v-clear" id="vClear">Очистить всё</span></div>
        <div class="v-tags"></div>
        <input class="v-in" placeholder="Название хаба + Enter...">
        <label style="display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none">
            <input type="checkbox" id="vS" ${state.show ? 'checked' : ''}> Показать скрытое (<span id="vCount">0</span>)
        </label>
    </div>`;

    header.appendChild(btn);

    btn.onclick = (e) => {
        if (e.target.closest('.v-pop')) return;
        const p = document.getElementById('vPop');
        p.style.display = p.style.display === 'flex' ? 'none' : 'flex';
    };

    btn.querySelector('#vClear').onclick = (e) => { e.stopPropagation(); state.tags = []; save(); };
    btn.querySelector('#vS').onchange = (e) => { state.show = e.target.checked; save(); };

    const input = btn.querySelector('.v-in');
    input.onkeydown = (e) => {
        if (e.key === 'Enter' && input.value.trim()) {
            const val = input.value.trim();
            if (!state.tags.includes(val)) state.tags.push(val);
            input.value = '';
            save();
        }
    };
    renderTags();
    updatePageStyles();
};

let timer;
const observer = new MutationObserver(() => {
    clearTimeout(timer);
    timer = setTimeout(() => {
        inject();
        updatePageStyles();
    }, 300);
});

observer.observe(document.body, { childList: true, subtree: true });
inject();
updatePageStyles();