[web] Add JS coverage to codecov.

.travis.yml

@@ -52,8 +52,10 @@ matrix:
       before_install:
           - curl -o- -L https://yarnpkg.com/install.sh | bash
           - export PATH=$HOME/.yarn/bin:$PATH
-      install: cd web && yarn
-      script: npm test
+      install:
+          - cd web && yarn
+          - yarn global add codecov
+      script: npm test && codecov
       cache:
           yarn: true
           directories:

web/package.json

@@ -13,7 +13,9 @@
     ],
     "unmockedModulePathPatterns": [
       "react"
-    ]
+    ],
+      "coverageDirectory":"./coverage",
+      "collectCoverage": true
   },
   "dependencies": {
     "bootstrap": "^3.3.7",