fs.stat(path[, options], callback)


    异步的 stat(2)。 回调有两个参数 (err, stats),其中 stats<fs.Stats> 对象。

    Asynchronous stat(2). The callback gets two arguments (err, stats) where stats is an <fs.Stats> object.

    In case of an error, the err.code will be one of Common System Errors.

    Using fs.stat() to check for the existence of a file before calling fs.open(), fs.readFile(), or fs.writeFile() is not recommended. Instead, user code should open/read/write the file directly and handle the error raised if the file is not available.

    To check if a file exists without manipulating it afterwards, fs.access() is recommended.

    For example, given the following directory structure:

    - txtDir
    -- file.txt
    - app.js

    The next program will check for the stats of the given paths:

    import { stat } from 'node:fs';
    
    const pathsToCheck = ['./txtDir', './txtDir/file.txt'];
    
    for (let i = 0; i < pathsToCheck.length; i++) {
      stat(pathsToCheck[i], (err, stats) => {
        console.log(stats.isDirectory());
        console.log(stats);
      });
    }

    The resulting output will resemble:

    true
    Stats {
      dev: 16777220,
      mode: 16877,
      nlink: 3,
      uid: 501,
      gid: 20,
      rdev: 0,
      blksize: 4096,
      ino: 14214262,
      size: 96,
      blocks: 0,
      atimeMs: 1561174653071.963,
      mtimeMs: 1561174614583.3518,
      ctimeMs: 1561174626623.5366,
      birthtimeMs: 1561174126937.2893,
      atime: 2019-06-22T03:37:33.072Z,
      mtime: 2019-06-22T03:36:54.583Z,
      ctime: 2019-06-22T03:37:06.624Z,
      birthtime: 2019-06-22T03:28:46.937Z
    }
    false
    Stats {
      dev: 16777220,
      mode: 33188,
      nlink: 1,
      uid: 501,
      gid: 20,
      rdev: 0,
      blksize: 4096,
      ino: 14214074,
      size: 8,
      blocks: 8,
      atimeMs: 1561174616618.8555,
      mtimeMs: 1561174614584,
      ctimeMs: 1561174614583.8145,
      birthtimeMs: 1561174007710.7478,
      atime: 2019-06-22T03:36:56.619Z,
      mtime: 2019-06-22T03:36:54.584Z,
      ctime: 2019-06-22T03:36:54.584Z,
      birthtime: 2019-06-22T03:26:47.711Z
    }