FM / mz

/opt/canhelp/node_modules/mz

Name	Size	Mode	Actions
child_process.js	113	0644	edit dl rm
crypto.js	135	0644	edit dl rm
dns.js	240	0644	edit dl rm
fs.js	1044	0644	edit dl rm
HISTORY.md	1137	0644	edit dl rm
index.js	206	0644	edit dl rm
LICENSE	1121	0644	edit dl rm
package.json	1012	0644	edit dl rm
readline.js	1681	0644	edit dl rm
README.md	2903	0644	edit dl rm
zlib.js	181	0644	edit dl rm

Edit: /opt/canhelp/node_modules/mz/fs.js (1044B)

var Promise = require('any-promise')
var fs
try {
  fs = require('graceful-fs')
} catch(err) {
  fs = require('fs')
}

var api = [
  'appendFile',
  'chmod',
  'chown',
  'close',
  'fchmod',
  'fchown',
  'fdatasync',
  'fstat',
  'fsync',
  'ftruncate',
  'futimes',
  'lchown',
  'link',
  'lstat',
  'mkdir',
  'open',
  'read',
  'readFile',
  'readdir',
  'readlink',
  'realpath',
  'rename',
  'rmdir',
  'stat',
  'symlink',
  'truncate',
  'unlink',
  'utimes',
  'write',
  'writeFile'
]

typeof fs.access === 'function' && api.push('access')
typeof fs.copyFile === 'function' && api.push('copyFile')
typeof fs.mkdtemp === 'function' && api.push('mkdtemp')

require('thenify-all').withCallback(fs, exports, api)

exports.exists = function (filename, callback) {
  // callback
  if (typeof callback === 'function') {
    return fs.stat(filename, function (err) {
      callback(null, !err);
    })
  }
  // or promise
  return new Promise(function (resolve) {
    fs.stat(filename, function (err) {
      resolve(!err)
    })
  })
}

cmd: