Method join

src/common/utils/PathUtil.ts:28–54

(...paths: Nullable<string>[])

    public static SEPARATOR = '/';

    public static join(...paths: Nullable<string>[]): string {
        // 过滤掉空字符串
        const filteredPaths:string[] = (paths
            .filter(path => StrUtil.isNotBlank(path)) as string[]);

        if (filteredPaths.length === 0) {
            return '';
        }

        // 判断第一个路径是否为绝对路径（以分隔符开头）
        const isAbsolutePath = filteredPaths[0].startsWith(PathUtil.SEPARATOR);

        // 去除所有路径段的首尾分隔符
        const processedPaths = filteredPaths.map(path =>
            path.replace(new RegExp(`^${PathUtil.SEPARATOR}+|${PathUtil.SEPARATOR}+$`, 'g'), '')
        );

        // 使用分隔符连接所有处理过的路径段
        let joinedPath = processedPaths.join(PathUtil.SEPARATOR);

        // 如果第一个路径是绝对路径，确保结果以分隔符开头
        if (isAbsolutePath) {
            joinedPath = PathUtil.SEPARATOR + joinedPath;
        }

        return joinedPath;
    }

    /**
     * 解析一个路径字符串，返回包含目录、文件名、扩展名的信息