From 78472c0bc0e8f4e00877e176c4524382379c79a3 Mon Sep 17 00:00:00 2001
From: Sindre Sorhus <sindresorhus@gmail.com>
Date: Thu, 10 May 2018 21:00:49 +0700
Subject: [PATCH] Require Node.js 6

---
 .travis.yml   | 1 -
 appveyor.yml  | 2 +-
 index.js      | 1 +
 package.json  | 4 ++--
 test/async.js | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 2dfe660..02c2ae3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,5 @@ node_js:
   - '10'
   - '8'
   - '6'
-  - '4'
 after_success:
   - './node_modules/.bin/nyc report --reporter=text-lcov > coverage.lcov && ./node_modules/.bin/codecov'
diff --git a/appveyor.yml b/appveyor.yml
index ea27242..8ca9e69 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,8 +1,8 @@
 environment:
   matrix:
+    - nodejs_version: '10'
     - nodejs_version: '8'
     - nodejs_version: '6'
-    - nodejs_version: '4'
 install:
   - ps: Install-Product node $env:nodejs_version
   - npm install --global npm@latest
diff --git a/index.js b/index.js
index 1843955..b3efebe 100644
--- a/index.js
+++ b/index.js
@@ -26,6 +26,7 @@ module.exports = (input, opts) => Promise.resolve().then(() => {
 	checkPath(input);
 	opts = Object.assign({}, defaults, opts);
 
+	// TODO: Use util.promisify when targeting Node.js 8
 	const mkdir = pify(opts.fs.mkdir);
 	const stat = pify(opts.fs.stat);
 
diff --git a/package.json b/package.json
index ec907a7..6f790b1 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
 		"url": "sindresorhus.com"
 	},
 	"engines": {
-		"node": ">=4"
+		"node": ">=6"
 	},
 	"scripts": {
 		"test": "xo && nyc ava"
@@ -49,6 +49,6 @@
 		"nyc": "^11.3.0",
 		"path-type": "^3.0.0",
 		"tempy": "^0.2.1",
-		"xo": "^0.20.0"
+		"xo": "*"
 	}
 }
diff --git a/test/async.js b/test/async.js
index a0af93b..f82e0e8 100644
--- a/test/async.js
+++ b/test/async.js
@@ -75,7 +75,7 @@ test('handles null bytes in path', async t => {
 
 test.serial('handles invalid path characters', async t => {
 	// We do this to please `nyc`
-	const platform = process.platform;
+	const {platform} = process;
 	Object.defineProperty(process, 'platform', {
 		value: 'win32'
 	});