code coverage

.gitignore

@@ -1,3 +1,5 @@
 .DS_Store
 node_modules
 dist
+.nyc_output
+coverage

.travis.yml

@@ -7,3 +7,4 @@ env:
   global:
     - BUILD_TIMEOUT=10000
 install: npm install
+after_success: npm run coverage

mocha.opts

@@ -1 +1,2 @@
+--require babel-register
 --require reify

package.json

@@ -5,7 +5,8 @@
   "main": "dist/svelte.umd.js",
   "module": "dist/svelte.es.js",
   "scripts": {
-    "test": "mocha --opts mocha.opts --recursive ./**/__test__.js test/test.js",
+    "test": "nyc mocha --opts mocha.opts --recursive ./**/__test__.js test/test.js",
+    "coverage": "nyc report --reporter=text-lcov > coverage.lcov && codecov",
     "lint": "eslint compiler",
     "build": "rollup -c",
     "prebuild": "npm test",
@@ -28,11 +29,16 @@
   },
   "homepage": "https://github.com/sveltejs/svelte#README",
   "devDependencies": {
+    "babel-plugin-istanbul": "^3.0.0",
+    "babel-plugin-transform-es2015-modules-commonjs": "^6.18.0",
+    "babel-register": "^6.18.0",
+    "codecov": "^1.0.1",
     "eslint": "^3.10.2",
     "eslint-plugin-import": "^2.2.0",
     "jsdom": "^9.8.3",
     "mocha": "^3.1.2",
     "node-resolve": "^1.3.3",
+    "nyc": "^9.0.1",
     "reify": "^0.4.0",
     "rollup": "^0.36.3",
     "rollup-plugin-node-resolve": "^2.0.0"
@@ -42,5 +48,18 @@
     "estree-walker": "^0.3.0",
     "locate-character": "^2.0.0",
     "magic-string": "^0.16.0"
+  },
+  "nyc": {
+    "include": [
+      "compiler/**/*.js"
+    ],
+    "exclude": [
+      "compiler/**/__test__.js"
+    ]
+  },
+  "babel": {
+    "plugins": [
+      "transform-es2015-modules-commonjs"
+    ]
   }
 }