Add node_modules to cache

mklkj · mklkj · commit f9d0c0250267 · 2018-08-14T09:52:32.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,6 +3,10 @@ language: node_js
 node_js:
 - '8'
 
+cache:
+  directories:
+    - node_modules
+
 install:
 - yarn
 
