build: support Node.js 11.x

dougwilson · dougwilson · commit c6a65bb007ef · 2019-06-03T00:14:29.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -14,6 +14,7 @@ node_js:
   - "8.16"
   - "9.11"
   - "10.16"
+  - "11.15"
 sudo: false
 dist: precise
 cache:
