update dependencies

app/node_modules/fs-extra/lib/json/index.js

@@ -1,9 +1,16 @@
-var jsonFile = require('./jsonfile')
+'use strict'
 
+const u = require('universalify').fromCallback
+const jsonFile = require('./jsonfile')
+
+jsonFile.outputJson = u(require('./output-json'))
 jsonFile.outputJsonSync = require('./output-json-sync')
-jsonFile.outputJson = require('./output-json')
 // aliases
-jsonFile.outputJSONSync = require('./output-json-sync')
-jsonFile.outputJSON = require('./output-json')
+jsonFile.outputJSON = jsonFile.outputJson
+jsonFile.outputJSONSync = jsonFile.outputJsonSync
+jsonFile.writeJSON = jsonFile.writeJson
+jsonFile.writeJSONSync = jsonFile.writeJsonSync
+jsonFile.readJSON = jsonFile.readJson
+jsonFile.readJSONSync = jsonFile.readJsonSync
 
 module.exports = jsonFile

app/node_modules/fs-extra/lib/json/jsonfile.js

@@ -1,14 +1,12 @@
-var jsonFile = require('jsonfile')
+'use strict'
+
+const u = require('universalify').fromCallback
+const jsonFile = require('jsonfile')
 
 module.exports = {
   // jsonfile exports
-  readJson: jsonFile.readFile,
-  readJSON: jsonFile.readFile,
+  readJson: u(jsonFile.readFile),
   readJsonSync: jsonFile.readFileSync,
-  readJSONSync: jsonFile.readFileSync,
-  writeJson: jsonFile.writeFile,
-  writeJSON: jsonFile.writeFile,
-  writeJsonSync: jsonFile.writeFileSync,
-  writeJSONSync: jsonFile.writeFileSync,
-  spaces: 2 // default in fs-extra
+  writeJson: u(jsonFile.writeFile),
+  writeJsonSync: jsonFile.writeFileSync
 }

app/node_modules/fs-extra/lib/json/output-json-sync.js

@@ -1,10 +1,12 @@
-var fs = require('graceful-fs')
-var path = require('path')
-var jsonFile = require('./jsonfile')
-var mkdir = require('../mkdirs')
+'use strict'
+
+const fs = require('graceful-fs')
+const path = require('path')
+const mkdir = require('../mkdirs')
+const jsonFile = require('./jsonfile')
 
 function outputJsonSync (file, data, options) {
-  var dir = path.dirname(file)
+  const dir = path.dirname(file)
 
   if (!fs.existsSync(dir)) {
     mkdir.mkdirsSync(dir)

app/node_modules/fs-extra/lib/json/output-json.js

@@ -1,7 +1,9 @@
-var fs = require('graceful-fs')
-var path = require('path')
-var jsonFile = require('./jsonfile')
-var mkdir = require('../mkdirs')
+'use strict'
+
+const path = require('path')
+const mkdir = require('../mkdirs')
+const pathExists = require('../path-exists').pathExists
+const jsonFile = require('./jsonfile')
 
 function outputJson (file, data, options, callback) {
   if (typeof options === 'function') {
@@ -9,12 +11,13 @@ function outputJson (file, data, options, callback) {
     options = {}
   }
 
-  var dir = path.dirname(file)
+  const dir = path.dirname(file)
 
-  fs.exists(dir, function (itDoes) {
+  pathExists(dir, (err, itDoes) => {
+    if (err) return callback(err)
     if (itDoes) return jsonFile.writeJson(file, data, options, callback)
 
-    mkdir.mkdirs(dir, function (err) {
+    mkdir.mkdirs(dir, err => {
       if (err) return callback(err)
       jsonFile.writeJson(file, data, options, callback)
     })