// 定义 IValueConverter 接口
interface IValueConverter {
    convert(value: any, targetType: any, parameter: any, culture: any): any;
    convertBack(value: any, targetType: any, parameter: any, culture: any): any;
}

// 定义 TextToEncodingLengthConverter 类
export class TextToEncodingLengthConverter implements IValueConverter {
    // 实现 convert 方法
    convert(value: any, targetType: any, parameter: any, culture: any): any {
        const text = typeof value === 'string' ? value : null;
        if (text === null) return 0;

        // 使用 TextEncoder 计算字符串的字节长度
        const encoder = new TextEncoder();
        return encoder.encode(text).length;
    }

    // 实现 convertBack 方法
    convertBack(value: any, targetType: any, parameter: any, culture: any): any {
        throw new Error('Not implemented');
    }
}