updated codecov

Author: loiane

package.json

@@ -21,7 +21,7 @@
     "test:js": "mocha --compilers js:babel-core/register --colors -R spec --recursive ./test/js",
     "test:ts": "mocha -r ts-node/register --colors --recursive ./test/ts/**/*.spec.ts",
     "test": "npm run test:js && npm run test:ts",
-    "coverage": "./node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha -R spec --recursive ./test/js -- --compilers js:babel-core/register && codecov",
+    "coverage": "./node_modules/.bin/istanbul cover --include-all-sources --root ./lib/js ./node_modules/.bin/_mocha -R spec.js --recursive ./test/js -- --compilers js:babel-core/register && codecov",
     "serve": "http-server html",
     "go": "npm run clean && npm run test && npm run build && npm run coverage"
   },