chore: Added coverage with nyc

Author: KnisterPeter

.gitignore

@@ -2,3 +2,6 @@
 /node_modules
 *.js.map
 /tests/*-test.js
+coverage/
+.nyc_output/
+npm-debug.log

.travis.yml

@@ -1,3 +1,4 @@
 language: node_js
 node_js:
   - "4.2.0"
+after_success: npm run coverage

package.json

@@ -9,9 +9,10 @@
   "scripts": {
     "clean": "rm -f index.js index.js.map tests/*.js tests/*.js.map",
     "prebuild": "npm run clean",
-    "build": "tsc",
-    "pretest": "npm run build",
-    "test": "mocha -r babel-register 'tests/**/*-test.js'",
+    "build": "tsc --sourceMap",
+    "pretest": "tsc --inlineSourceMap",
+    "test": "mocha --compilers js:babel-register 'tests/**/*-test.js'",
+    "coverage": "nyc npm test && nyc report --reporter=text-lcov | coveralls",
     "changelog": "conventional-changelog -p angular -i CHANGELOG.md -w",
     "preversion": "npm test",
     "version": "npm run build && conventional-changelog -p angular -v -r 0 > CHANGELOG.md && git add -A .",
@@ -32,9 +33,11 @@
     "babel-preset-es2015": "6.3.13",
     "babel-register": "6.3.13",
     "chai": "3.4.1",
+    "coveralls": "2.11.6",
     "cz-conventional-changelog": "1.1.5",
     "in-publish": "2.0.0",
     "mocha": "2.3.4",
+    "nyc": "5.2.0",
     "react": "0.14.5",
     "tslint": "3.2.1",
     "typescript": "1.7.5"

tsconfig.json

@@ -2,8 +2,7 @@
   "compilerOptions": {
     "target": "es5",
     "module": "commonjs",
-    "noImplicitAny": true,
-    "sourceMap": true
+    "noImplicitAny": true
   },
   "files": [
     "typings/tsd.d.ts",