From 9780bff0b6bb90b10ac548dfdf501309c3764d62 Mon Sep 17 00:00:00 2001
From: Justin Beckwith <justin.beckwith@gmail.com>
Date: Mon, 9 Jul 2018 22:11:57 -0700
Subject: [PATCH] fix: drop support for node.js 4.x and 9.x (#129)

---
 .circleci/config.yml | 36 +++++++-----------------------------
 package.json         |  2 +-
 2 files changed, 8 insertions(+), 30 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6786d565b..35881120c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -17,18 +17,14 @@ workflows:
           filters: *all_commits
       - lint:
           requires:
-            - node4
             - node6
             - node8
-            - node9
             - node10
           filters: *all_commits
       - docs:
           requires:
-            - node4
             - node6
             - node8
-            - node9
             - node10
           filters: *all_commits
       - system_tests:
@@ -62,9 +58,9 @@ workflows:
               only: master
     jobs: *workflow_jobs
 jobs:
-  node4:
+  node6:
     docker:
-      - image: 'node:4'
+      - image: 'node:6'
         user: node
     steps: &unit_tests_steps
       - checkout
@@ -86,28 +82,14 @@ jobs:
             npm install
           environment:
             NPM_CONFIG_PREFIX: /home/node/.npm-global
-      - run:
-          name: Run unit tests.
-          command: npm test
-      - run:
-          name: Submit coverage data to codecov.
-          command: node_modules/.bin/codecov
-          when: always
-  node6:
-    docker:
-      - image: 'node:6'
-        user: node
-    steps: *unit_tests_steps
+      - run: npm test
+      - run: node_modules/.bin/codecov
+  
   node8:
     docker:
       - image: 'node:8'
         user: node
     steps: *unit_tests_steps
-  node9:
-    docker:
-      - image: 'node:9'
-        user: node
-    steps: *unit_tests_steps
   node10:
     docker:
       - image: 'node:10'
@@ -202,9 +184,5 @@ jobs:
         user: node
     steps:
       - checkout
-      - run:
-          name: Set NPM authentication.
-          command: 'echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" > ~/.npmrc'
-      - run:
-          name: Publish the module to npm.
-          command: npm publish
+      - run: 'echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" > ~/.npmrc'
+      - run: npm publish
diff --git a/package.json b/package.json
index e859f4b53..c822488f4 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
-    "node": ">=4.0.0"
+    "node": ">=6.0.0"
   },
   "repository": "googleapis/nodejs-datastore",
   "main": "./src/index.js",