export interface AddDelimiterOptions {
    step?: number;
    delimiter?: string;
    fromRight?: boolean;
}

/**
 * 添加分隔符
 * @category String
 * @param value 待处理的值
 * @param options 配置
 */
export const addDelimiter = (value = '', {
    step = 4, delimiter = ' ', fromRight = false
}: AddDelimiterOptions) => {
    const regx = new RegExp(`(\\S{${step}})(?=\\S)`, 'g');

    fromRight && (value = value.split('').reverse().join(''));

    const result = value.replace(new RegExp(delimiter, 'g'), '').replace(regx, `$1${delimiter}`);
    return fromRight ? result.split('').reverse().join('') : result;
};