Build format/ before running tests

stasm · stasm · commit bd79e5add2e0 · 2019-07-31T22:43:49.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,11 @@
 sudo: false
 language: node_js
+before_script: npm run build:impls
 script: npm run ci
-node_js: 9
+node_js:
+  - "8"
+  - "10"
+  - "12"
 cache:
   directories: node_modules
 notifications:
