path.normalize(path)
path.normalize() 方法规范化给定的 path,解析 '..' 和 '.' 片段。
当找到多个连续的路径片段分隔符(例如 POSIX 上的 / 和 Windows 上的 \ 或 /)时,则它们将被平台特定路径片段分隔符(POSIX 上的 / 和 Windows 上的 \)的单个实例替换。
保留尾随的分隔符。
如果 path 是零长度字符串,则返回 '.',表示当前工作目录。
例如,在 POSIX 上:
path.normalize('/foo/bar//baz/asdf/quux/..');
// 返回: '/foo/bar/baz/asdf'在 Windows 上:
path.normalize('C:\\temp\\\\foo\\bar\\..\\');
// 返回: 'C:\\temp\\foo\\'由于 Windows 识别多个路径分隔符,两个分隔符都将被 Windows 首选分隔符 (\) 的实例替换:
path.win32.normalize('C:////temp\\\\/\\/\\/foo/bar');
// 返回: 'C:\\temp\\foo\\bar'如果 path 不是字符串,则抛出 TypeError。
The path.normalize() method normalizes the given path, resolving '..' and
'.' segments.
When multiple, sequential path segment separation characters are found (e.g.
/ on POSIX and either \ or / on Windows), they are replaced by a single
instance of the platform-specific path segment separator (/ on POSIX and
\ on Windows). Trailing separators are preserved.
If the path is a zero-length string, '.' is returned, representing the
current working directory.
For example, on POSIX:
path.normalize('/foo/bar//baz/asdf/quux/..');
// Returns: '/foo/bar/baz/asdf'On Windows:
path.normalize('C:\\temp\\\\foo\\bar\\..\\');
// Returns: 'C:\\temp\\foo\\'Since Windows recognizes multiple path separators, both separators will be
replaced by instances of the Windows preferred separator (\):
path.win32.normalize('C:////temp\\\\/\\/\\/foo/bar');
// Returns: 'C:\\temp\\foo\\bar'A TypeError is thrown if path is not a string.