Google Exclusions Dynamic Clean

Blocks keywords and websites from Google search.
当前为 2025-11-22 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Google Exclusions Dynamic Clean
// @namespace    http://tampermonkey.net/
// @version      1.5
// @description  Blocks keywords and websites from Google search.
// @author       ScriptKing
// @match        https://www.google.com/search*
// @match        https://www.google.com/
// @grant        none
// @license MIT
// ==/UserScript==

(function() {
    'use strict';

    // =========================
    // CONFIG: Your exclusion list
    // =========================
    const exclusions = ['website1.com', 'website2.com', 'keyword1', 'keyword2']; // HERE

    // =========================
    // HELPER FUNCTIONS
    // =========================

    // Wait for element with polling
    function waitForElement(selector, timeout = 5000, interval = 100) {
        return new Promise((resolve, reject) => {
            const start = Date.now();
            const check = () => {
                const el = document.querySelector(selector);
                if (el) {
                    resolve(el);
                } else if (Date.now() - start > timeout) {
                    reject(new Error('Element not found'));
                } else {
                    setTimeout(check, interval);
                }
            };
            check();
        });
    }

    // Append exclusions if not already present
    function appendExclusions(query) {
        let newQuery = query;
        exclusions.forEach(ex => {
            const exStr = `-${ex}`;
            if (!newQuery.includes(exStr)) {
                newQuery += ` ${exStr}`;
            }
        });
        return newQuery;
    }

    // Clean query box by removing exclusion terms
    function cleanQueryBox() {
        const selectors = 'input[name="q"], textarea[name="q"], input[type="search"], textarea';
        const queryBox = document.querySelector(selectors);
        if (queryBox && queryBox.value) {
            let cleaned = queryBox.value;
            exclusions.forEach(ex => {
                const exEsc = ex.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
                // Remove patterns like " -ex.com" or "-ex.com " with optional spaces
                const regex = new RegExp(`\\s*-${exEsc}\\s*`, 'gi');
                cleaned = cleaned.replace(regex, ' ');
            });
            // Normalize spaces
            cleaned = cleaned.replace(/\s+/g, ' ').trim();
            if (cleaned !== queryBox.value) {
                queryBox.value = cleaned;
                // Trigger input event for UI and search updates
                ['input', 'change', 'keyup'].forEach(eventType => {
                    queryBox.dispatchEvent(new Event(eventType, { bubbles: true }));
                });
            }
        }
    }

    // =========================
    // SEARCH BUTTON HANDLER
    // =========================

    async function setupSearchHandler() {
        try {
            // Wait for search button
            const button = await waitForElement('button[aria-label="Search"], input[name="btnK"], button[name="btnK"]');
            const queryBox = document.querySelector('input[name="q"], textarea[name="q"]') || button.closest('form').querySelector('input[name="q"], textarea');

            button.addEventListener('click', (e) => {
                if (queryBox && queryBox.value.trim()) {
                    e.preventDefault(); // Temporarily prevent to modify
                    queryBox.value = appendExclusions(queryBox.value);
                    // Re-trigger click or submit after modification
                    setTimeout(() => {
                        if (queryBox.form) {
                            queryBox.form.submit();
                        } else {
                            button.click();
                        }
                    }, 0);
                }
            }, { once: false }); // Allow multiple, but capture phase if needed
        } catch (err) {
            console.error('Search button not found:', err);
        }
    }

    // =========================
    // DYNAMIC CLEANING
    // =========================

    // Initial clean on load
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', () => {
            cleanQueryBox();
            setupSearchHandler();
        });
    } else {
        cleanQueryBox();
        setupSearchHandler();
    }

    window.addEventListener('load', () => {
        cleanQueryBox();
        setupSearchHandler();
    });

    // Observe DOM changes for dynamic cleaning and re-setup
    const observer = new MutationObserver(() => {
        cleanQueryBox();
        // Re-setup if button lost (SPA navigation)
        if (!document.querySelector('button[aria-label="Search"]')) {
            setTimeout(setupSearchHandler, 500);
        }
    });
    observer.observe(document.body, { childList: true, subtree: true });

    // Also listen for Enter key as fallback
    document.addEventListener('keydown', (e) => {
        if (e.key === 'Enter' && e.target.matches('input[name="q"], textarea[name="q"]')) {
            const queryBox = e.target;
            if (queryBox.value.trim()) {
                queryBox.value = appendExclusions(queryBox.value);
                // Let submit proceed
            }
        }
    });

})();