chore(): Caching yarn on Travis (#1438)

jamesdaniels · web-flow · commit 4446974ff9bb · 2018-01-23T12:45:45.000-08:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,7 +6,12 @@ node_js:
 addons:
   chrome: stable
 
-cache: npm
+cache:
+  yarn: true
+  directories:
+    - node_modules
+    - "$HOME/.npm"
+    - "$HOME/.cache"
 
 branches:
   only:
