From cb981d022718340b7dc8667ad3ceb6a9f9697cae Mon Sep 17 00:00:00 2001
From: Xianming Zhong <chinesedfan@qq.com>
Date: Thu, 24 May 2018 23:50:53 +0800
Subject: [PATCH 1/2] Remove extra npm install

---
 .travis.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 79e0543..5fe2010 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,6 @@ node_js:
   - "7"
   - "8"
 before_install:
-  - npm i -g npm
   - npm i -g greenkeeper-lockfile@1
   - npm i -g coveralls
 install:

From 79ca0c1e214f0fe15f34b5a041196fa9cc351335 Mon Sep 17 00:00:00 2001
From: Xianming Zhong <chinesedfan@qq.com>
Date: Sat, 26 May 2018 21:48:38 +0800
Subject: [PATCH 2/2] Only support node@6+

---
 .babelrc    | 2 +-
 .travis.yml | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/.babelrc b/.babelrc
index 6e6df8f..05758ba 100644
--- a/.babelrc
+++ b/.babelrc
@@ -2,7 +2,7 @@
   "presets": [
     ["env", {
       "targets": {
-        "node": 4
+        "node": 6
       }
     }]
   ]
diff --git a/.travis.yml b/.travis.yml
index 5fe2010..8f5b82e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: node_js
 node_js:
-  - "4"
   - "6"
   - "7"
   - "8"