build: support Node.js 11.x

dougwilson · dougwilson · commit 7184095f14e6 · 2018-11-11T00:15:42.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -14,6 +14,7 @@ node_js:
   - "8.12"
   - "9.11"
   - "10.13"
+  - "11.1"
 sudo: false
 dist: precise
 cache:
