gistfile1.txt

/**
 * Cookie Blocker Script
 * 
 * This script overrides the document.cookie setter to block cookies with specific prefixes
 * from being set.
 */
(function() {
    // Get the original descriptor
    const originalDescriptor = Object.getOwnPropertyDescriptor(Document.prototype, 'cookie');
    const originalSetter = originalDescriptor.set;
    
    // Cookies to block - add any prefixes you want to block
    const blockedPrefixes = ['wp-dark-mode-'];
    
    // Override only the setter, keep the original getter
    Object.defineProperty(Document.prototype, 'cookie', {
        configurable: true,
        get: originalDescriptor.get, // Use the original getter directly
        set: function(value) {
            // Check if this cookie should be blocked
            let shouldBlock = false;
            
            // Parse the cookie being set
            const cookieParts = value.split('=');
            if (cookieParts.length >= 1) {
                const cookieName = cookieParts[0].trim();
                
                // Check if the cookie starts with any of our blocked prefixes
                shouldBlock = blockedPrefixes.some(prefix => cookieName.startsWith(prefix));
                
                if (shouldBlock) {
                    console.debug('Blocked cookie:', cookieName);
                    return; // Don't set the cookie
                }
            }
            
            // Set the cookie using the original setter if not blocked
            return originalSetter.call(this, value);
        }
    });
    
    // Clean up any existing cookies on page load
    function cleanExistingCookies() {
        const cookies = document.cookie.split(';');
        
        for (const cookie of cookies) {
            const [cookieName] = cookie.split('=').map(item => item.trim());
            
            // Check if this is a cookie we want to remove
            const shouldRemove = blockedPrefixes.some(prefix => cookieName.startsWith(prefix));
            
            if (shouldRemove) {
                // Force expire the cookie to remove it
                document.cookie = `${cookieName}=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;`;
                console.debug('Removed existing cookie:', cookieName);
            }
        }
    }
    
    // Clean up existing cookies when the script loads
    cleanExistingCookies();
    
})();