re-add npm cache

Polymer · Jan 21, 2020 · 700c2b0 · 700c2b0
1 parent 168572a
commit 700c2b0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -7,6 +7,9 @@ services:
 addons:
   firefox: latest
   chrome: stable
+cache:
+  directories:
+    - node_modules
 before_script:
 - npm install -g gulp-cli@1
 - gulp lint-eslint