update dependencies

app/node_modules/fs-extra/lib/ensure/file.js

@@ -1,21 +1,26 @@
-var path = require('path')
-var fs = require('graceful-fs')
-var mkdir = require('../mkdirs')
+'use strict'
+
+const u = require('universalify').fromCallback
+const path = require('path')
+const fs = require('graceful-fs')
+const mkdir = require('../mkdirs')
+const pathExists = require('../path-exists').pathExists
 
 function createFile (file, callback) {
   function makeFile () {
-    fs.writeFile(file, '', function (err) {
+    fs.writeFile(file, '', err => {
       if (err) return callback(err)
       callback()
     })
   }
 
-  fs.exists(file, function (fileExists) {
-    if (fileExists) return callback()
-    var dir = path.dirname(file)
-    fs.exists(dir, function (dirExists) {
+  fs.stat(file, (err, stats) => { // eslint-disable-line handle-callback-err
+    if (!err && stats.isFile()) return callback()
+    const dir = path.dirname(file)
+    pathExists(dir, (err, dirExists) => {
+      if (err) return callback(err)
       if (dirExists) return makeFile()
-      mkdir.mkdirs(dir, function (err) {
+      mkdir.mkdirs(dir, err => {
         if (err) return callback(err)
         makeFile()
       })
@@ -24,9 +29,13 @@ function createFile (file, callback) {
 }
 
 function createFileSync (file) {
-  if (fs.existsSync(file)) return
+  let stats
+  try {
+    stats = fs.statSync(file)
+  } catch (e) {}
+  if (stats && stats.isFile()) return
 
-  var dir = path.dirname(file)
+  const dir = path.dirname(file)
   if (!fs.existsSync(dir)) {
     mkdir.mkdirsSync(dir)
   }
@@ -35,9 +44,6 @@ function createFileSync (file) {
 }
 
 module.exports = {
-  createFile: createFile,
-  createFileSync: createFileSync,
-  // alias
-  ensureFile: createFile,
-  ensureFileSync: createFileSync
+  createFile: u(createFile),
+  createFileSync
 }