run tests against webpack 2, 3 and 4

johnnyreilly · johnnyreilly · commit 8b99f1353afc · 2018-02-04T13:47:14.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,15 @@
 language: node_js
 node_js:
   - "8"
+install:
+  - yarn install
+  - yarn build
+  - yarn add $WEBPACK
+# Test against multiple webpack versions
+env:
+  - WEBPACK=webpack@4.0.0-beta.0
+  - WEBPACK=webpack@3.10.0
+  - WEBPACK=webpack@2.7.0
 deploy:
   - provider: npm
     email: opensource@realytics.io
