1 files changed, 26 insertions, 24 deletions

diff --git a/deps/npm/node_modules/find-npm-prefix/find-prefix.js b/deps/npm/node_modules/find-npm-prefix/find-prefix.js
index 089572ec110..d5e271322be 100644
--- a/deps/npm/node_modules/find-npm-prefix/find-prefix.js
+++ b/deps/npm/node_modules/find-npm-prefix/find-prefix.js
@@ -5,11 +5,9 @@ module.exports = findPrefix
 
 const fs = require('fs')
 const path = require('path')
-const Bluebird = require('bluebird')
-const readdir = Bluebird.promisify(fs.readdir)
 
 function findPrefix (dir) {
-  return Bluebird.try(() => {
+  return new Promise((resolve, reject) => {
     dir = path.resolve(dir)
 
     // this is a weird special case where an infinite recurse of
@@ -20,9 +18,11 @@ function findPrefix (dir) {
       dir = path.dirname(dir)
       walkedUp = true
     }
-    if (walkedUp) return dir
-
-    return findPrefix_(dir)
+    if (walkedUp) {
+      resolve(dir)
+    } else {
+      resolve(findPrefix_(dir))
+    }
   })
 }
 
@@ -32,23 +32,25 @@ function findPrefix_ (dir, original) {
   const parent = path.dirname(dir)
   // this is a platform independent way of checking if we're in the root
   // directory
-  if (parent === dir) return original
-
-  return readdir(dir).then(files => {
-    if (files.indexOf('node_modules') !== -1 ||
-        files.indexOf('package.json') !== -1) {
-      return dir
-    }
-
-    return findPrefix_(parent, original)
-  }, er => {
-    // an error right away is a bad sign.
-    // unless the prefix was simply a non
-    // existent directory.
-    if (er && dir === original && er.code !== 'ENOENT') {
-      throw er
-    } else {
-      return original
-    }
+  if (parent === dir) return Promise.resolve(original)
+
+  return new Promise((resolve, reject) => {
+    fs.readdir(dir, (err, files) => {
+      if (err) {
+        // an error right away is a bad sign.
+        // unless the prefix was simply a non
+        // existent directory.
+        if (err && dir === original && err.code !== 'ENOENT') {
+          reject(err)
+        } else {
+          resolve(original)
+        }
+      } else if (files.indexOf('node_modules') !== -1 ||
+                 files.indexOf('package.json') !== -1) {
+        resolve(dir)
+      } else {
+        resolve(findPrefix_(parent, original))
+      }
+    })
   })
 }