Reddit Search - Hide subs/users

Hide search results by subreddit or user

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Reddit Search - Hide subs/users
// @namespace    Reddit Search - Hide subs/users
// @version      1.0
// @description  Hide search results by subreddit or user
// @match        https://www.reddit.com/search/*
// @icon         https://redditinc.com/hs-fs/hubfs/Reddit%20Inc/Content/Brand%20Page/Reddit_Logo.png?width=200&height=200&name=Reddit_Logo.png
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_addStyle
// @run-at       document-start
// @license      MIT
// ==/UserScript==

(function () {
    'use strict';

    const SUBS_KEY = 'rs_hidden_subs';
    const USERS_KEY = 'rs_hidden_users';

    const hiddenSubs = new Set((GM_getValue(SUBS_KEY, []) || []).map(x => String(x).toLowerCase()));
    const hiddenUsers = new Set((GM_getValue(USERS_KEY, []) || []).map(x => String(x).toLowerCase()));

    GM_addStyle(`
        .rs-x {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 18px;
            height: 18px;
            margin-left: 6px;
            border: 1px solid rgba(255,255,255,.18);
            border-radius: 999px;
            background: rgba(255,255,255,.06);
            color: #ff6b6b;
            font: 700 12px/1 sans-serif;
            cursor: pointer;
            user-select: none;
            vertical-align: middle;
            padding: 0;
            position: relative;
            top: -1px;
        }
        .rs-x:hover { background: rgba(255,255,255,.12); }
        .rs-hidden { display: none !important; }

        .rs-toast-wrap {
            position: fixed;
            right: 16px;
            bottom: 16px;
            z-index: 2147483647;
            display: flex;
            flex-direction: column;
            gap: 8px;
            pointer-events: none;
        }
        .rs-toast {
            display: flex;
            align-items: center;
            gap: 10px;
            max-width: 420px;
            padding: 10px 12px;
            border-radius: 10px;
            background: #1f1f1f;
            color: #fff;
            border: 1px solid rgba(255,255,255,.12);
            box-shadow: 0 10px 30px rgba(0,0,0,.35);
            pointer-events: auto;
        }
        .rs-undo {
            border: 0;
            border-radius: 999px;
            padding: 5px 10px;
            background: #ff4500;
            color: #fff;
            font-weight: 700;
            cursor: pointer;
        }
    `);

    function normSub(s) {
        return String(s || '').trim().replace(/^\/?r\//i, '').toLowerCase();
    }

    function normUser(s) {
        return String(s || '').trim().replace(/^\/?u\//i, '').toLowerCase();
    }

    function save() {
        GM_setValue(SUBS_KEY, [...hiddenSubs]);
        GM_setValue(USERS_KEY, [...hiddenUsers]);
    }

    function stop(e) {
        e.preventDefault();
        e.stopPropagation();
        e.stopImmediatePropagation();
    }

    function parseCtx(el) {
        try {
            return JSON.parse(el.getAttribute('data-faceplate-tracking-context') || '{}');
        } catch {
            return {};
        }
    }

    function toast(msg, undoFn) {
        let wrap = document.querySelector('.rs-toast-wrap');
        if (!wrap) {
            wrap = document.createElement('div');
            wrap.className = 'rs-toast-wrap';
            document.body.appendChild(wrap);
        }

        const t = document.createElement('div');
        t.className = 'rs-toast';

        const span = document.createElement('span');
        span.textContent = msg;

        const btn = document.createElement('button');
        btn.className = 'rs-undo';
        btn.textContent = 'Undo';
        btn.addEventListener('click', (e) => {
            stop(e);
            undoFn();
            t.remove();
        }, true);

        t.append(span, btn);
        wrap.append(t);
        setTimeout(() => t.remove(), 5000);
    }

    function makeX(onClick) {
        const b = document.createElement('button');
        b.className = 'rs-x';
        b.type = 'button';
        b.textContent = '×';
        b.addEventListener('mousedown', stop, true);
        b.addEventListener('click', (e) => {
            stop(e);
            onClick();
        }, true);
        return b;
    }

    function applyHides(root = document) {
        root.querySelectorAll('search-telemetry-tracker[view-events="search/view/post"]').forEach(tracker => {
            const sub = normSub(parseCtx(tracker).subreddit?.name);
            tracker.classList.toggle('rs-hidden', !!sub && hiddenSubs.has(sub));
        });

        root.querySelectorAll('search-telemetry-tracker[view-events="search/view/people"]').forEach(tracker => {
            const user = normUser(parseCtx(tracker).profile?.name);
            tracker.classList.toggle('rs-hidden', !!user && hiddenUsers.has(user));
        });
    }

    function addPostButtons(root = document) {
        root.querySelectorAll('search-telemetry-tracker[view-events="search/view/post"]').forEach(tracker => {
            if (!(tracker instanceof HTMLElement)) return;

            const sub = normSub(parseCtx(tracker).subreddit?.name);
            if (!sub) return;

            const timeEl =
                tracker.querySelector('faceplate-timeago time') ||
                tracker.querySelector('time');

            if (!timeEl) return;
            if (timeEl.parentElement?.querySelector(':scope > .rs-x')) return;

            const btn = makeX(() => {
                hiddenSubs.add(sub);
                save();
                applyHides(document);
                toast(`Hidden r/${sub}`, () => {
                    hiddenSubs.delete(sub);
                    save();
                    applyHides(document);
                });
            });

            timeEl.insertAdjacentElement('afterend', btn);
        });
    }

    function addPeopleButtons(root = document) {
        root.querySelectorAll('search-telemetry-tracker[view-events="search/view/people"]').forEach(tracker => {
            if (!(tracker instanceof HTMLElement)) return;

            const user = normUser(parseCtx(tracker).profile?.name);
            if (!user) return;

            const nameEl =
                tracker.querySelector('[data-testid="search-author"] h3 span[id^="search-results-people-"]') ||
                tracker.querySelector('[data-testid="search-author"] h3 span');

            if (!nameEl) return;
            if (nameEl.parentElement?.querySelector(':scope > .rs-x')) return;

            const btn = makeX(() => {
                hiddenUsers.add(user);
                save();
                applyHides(document);
                toast(`Hidden u/${user}`, () => {
                    hiddenUsers.delete(user);
                    save();
                    applyHides(document);
                });
            });

            nameEl.insertAdjacentElement('afterend', btn);
        });
    }

    function refresh(root = document) {
        addPostButtons(root);
        addPeopleButtons(root);
        applyHides(root);
    }

    let bootTimer = null;
    function bootRefreshBurst() {
        if (bootTimer) clearInterval(bootTimer);

        let runs = 0;
        bootTimer = setInterval(() => {
            refresh(document);
            runs++;
            if (runs >= 40) {
                clearInterval(bootTimer);
                bootTimer = null;
            }
        }, 250);
    }

    const mo = new MutationObserver(muts => {
        let needs = false;
        for (const m of muts) {
            for (const node of m.addedNodes) {
                if (!(node instanceof HTMLElement)) continue;
                needs = true;
                refresh(node);
            }
        }
        if (needs) refresh(document);
    });

    function hookNavigation() {
        const _pushState = history.pushState;
        const _replaceState = history.replaceState;

        history.pushState = function () {
            const r = _pushState.apply(this, arguments);
            setTimeout(() => {
                refresh(document);
                bootRefreshBurst();
            }, 50);
            return r;
        };

        history.replaceState = function () {
            const r = _replaceState.apply(this, arguments);
            setTimeout(() => {
                refresh(document);
                bootRefreshBurst();
            }, 50);
            return r;
        };

        window.addEventListener('popstate', () => {
            setTimeout(() => {
                refresh(document);
                bootRefreshBurst();
            }, 50);
        });
    }

    function init() {
        refresh(document);
        bootRefreshBurst();
        mo.observe(document.documentElement, { childList: true, subtree: true });
        hookNavigation();

        window.addEventListener('load', () => {
            refresh(document);
            bootRefreshBurst();
        });

        document.addEventListener('visibilitychange', () => {
            if (!document.hidden) {
                refresh(document);
            }
        });
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init, { once: true });
    } else {
        init();
    }
})();