Add node.js version 10 to Travis build

kseo · kseo · commit b9935360d877 · 2018-09-07T15:11:39.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,6 @@
 language: node_js
 node_js:
+  - "10"
   - "8"
 before_install:
   - yarn install
