/**
 * Polyfills for compatibility
 * 提供兼容性支持的 polyfill 函数
 */

/**
 * structuredClone polyfill for environments that don't support it
 * 为不支持 structuredClone 的环境提供兼容实现
 */
export function initPolyfills(): void {
    // structuredClone polyfill
    if (typeof (globalThis as any).structuredClone === 'undefined') {
        (globalThis as any).structuredClone = function(obj: any): any {
            if (obj === null || typeof obj !== 'object') {
                return obj;
            }
            
            if (obj instanceof Date) {
                return new Date(obj.getTime());
            }
            
            if (Array.isArray(obj)) {
                return obj.map((item: any) => (globalThis as any).structuredClone(item));
            }
            
            if (typeof obj === 'object') {
                const cloned: any = {};
                for (const key in obj) {
                    if (obj.hasOwnProperty(key)) {
                        cloned[key] = (globalThis as any).structuredClone(obj[key]);
                    }
                }
                return cloned;
            }
            
            return obj;
        };
        
        console.log('[Polyfill] structuredClone polyfill loaded');
    }
}

// 自动初始化
initPolyfills();