added nyc/istanbul for code coverage

.babelrc

@@ -1,3 +1,8 @@
 {
-    "presets": ["goodway"]
+    "presets": ["goodway"],
+    "env": {
+        "test": {
+            "plugins": ["istanbul"]
+        }
+    }
 }

.travis.yml

@@ -0,0 +1,13 @@
+sudo: false
+language: node_js
+node_js:
+  - 4
+  - 5
+  - 6
+  - "stable"
+
+before_install:
+  - "npm config set progress=false"
+
+after_script:
+  - "cat ./coverage/lcov.info | ./node_modules/.bin/coveralls"

package.json

@@ -7,7 +7,7 @@
   },
   "main": "./dist/index.js",
   "scripts": {
-    "test": "./node_modules/.bin/jasmine",
+    "test": "cross-env BABEL_ENV=test nyc jasmine",
     "prepublish": "npm run build",
     "build": "npm run build:clean; npm run build:compile",
     "build:compile": "./node_modules/.bin/babel src -s inline -d dist",
@@ -32,11 +32,36 @@
   "devDependencies": {
     "babel-cli": "^6.18.0",
     "babel-eslint": "^7.1.0",
+    "babel-plugin-istanbul": "^3.0.0",
     "babel-preset-goodway": "git+ssh://git@github.com/GoodwayGroup/babel-preset-goodway.git",
     "babel-register": "^6.18.0",
+    "coveralls": "^2.11.15",
+    "cross-env": "^3.1.3",
     "eslint-config-goodway": "git+ssh://git@github.com/GoodwayGroup/eslint-config-goodway.git",
     "jasmine": "^2.5.2",
     "jasmine-core": "^2.5.2",
-    "nock": "^9.0.2"
+    "nock": "^9.0.2",
+    "nyc": "^9.0.1"
+  },
+  "nyc": {
+    "include": [
+      "src/*.js",
+      "index.js"
+    ],
+    "require": [
+      "babel-register"
+    ],
+    "reporter": [
+      "lcov",
+      "text"
+    ],
+    "lines": 90,
+    "statements": 90,
+    "functions": 90,
+    "branches": 90,
+    "sourceMap": false,
+    "instrument": false,
+    "cache": true,
+    "check-coverage": true
   }
 }