Add enzyme-to-json for snapshots

Author: lttb

package.json

@@ -59,6 +59,7 @@
     "coveralls": "^3.0.0",
     "enzyme": "^3.1.0",
     "enzyme-adapter-react-16": "^1.0.1",
+    "enzyme-to-json": "^3.1.2",
     "eslint": "^3.13.0",
     "eslint-config-airbnb": "^14.1.0",
     "eslint-config-jss": "^3.0.0",
@@ -92,6 +93,9 @@
     "coverageDirectory": "../coverage",
     "setupFiles": [
       "raf/polyfill"
+    ],
+    "snapshotSerializers": [
+      "enzyme-to-json/serializer"
     ]
   }
 }

yarn.lock

@@ -1433,6 +1433,12 @@ enzyme-adapter-utils@^1.0.0:
     object.assign "^4.0.4"
     prop-types "^15.5.10"
 
+enzyme-to-json@^3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/enzyme-to-json/-/enzyme-to-json-3.1.2.tgz#7681e04c5747bb140c4c658ba7f07a6679e1f3b6"
+  dependencies:
+    lodash "^4.17.4"
+
 enzyme@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/enzyme/-/enzyme-3.1.0.tgz#d8ca84085790fbcec6ed40badd14478faee4c25a"