Enable code coverage

experimental/babel-preset-env/.gitignore

@@ -1,6 +1,8 @@
 node_modules
+coverage
 lib
 test/tmp
 .DS_Store
 *.log
 .vscode
+.nyc_output

experimental/babel-preset-env/codecov.yml

@@ -0,0 +1,4 @@
+coverage:
+  parsers:
+    javascript:
+      enable_partials: yes

experimental/babel-preset-env/package.json

@@ -13,7 +13,8 @@
     "dev": "babel -w src -d lib",
     "lint": "eslint .",
     "fix": "eslint . --fix",
-    "ci": "npm run test",
+    "cov": "nyc npm run test",
+    "ci": "nyc npm run test && nyc report --reporter=json && codecov -f coverage/coverage-final.json",
     "changelog": "git log `git describe --tags --abbrev=0`..HEAD --pretty=format:' * %s (%an)' | grep -v 'Merge pull request'",
     "test": "npm run build && mocha ./test --compilers js:babel-register -t 10000"
   },
@@ -58,6 +59,7 @@
     "babel-preset-es2015": "^6.14.0",
     "babel-register": "^6.14.0",
     "chai": "^3.0.0",
+    "codecov": "^1.0.1",
     "compat-table": "kangax/compat-table#c38f039b8ea7fadf347d3e300fec3611645e31e9",
     "eslint": "^3.13.1",
     "eslint-config-babel": "^5.0.0",
@@ -65,6 +67,7 @@
     "fs-extra": "^2.0.0",
     "lodash": "^4.15.0",
     "mocha": "^3.0.2",
+    "nyc": "^10.1.2",
     "rimraf": "^2.5.4"
   },
   "babel": {