Use 'npm run' instead of 'gulp'

Author: Philipp Alferov

gulpfile.babel.js

@@ -4,7 +4,8 @@
   "description": "Convert a plain array of nodes (with pointers to parent nodes) to a tree",
   "main": "index.js",
   "scripts": {
-    "test": "mocha"
+    "test": "mocha --reporter nyan",
+    "tdd": "npm test -- --watch"
   },
   "repository": "alferov/array-to-tree",
   "keywords": [
@@ -17,11 +18,8 @@
     "nested"
   ],
   "devDependencies": {
-    "babel-core": "^5.8.24",
     "chai": "^3.2.0",
     "eslint": "^1.4.1",
-    "gulp": "^3.9.0",
-    "gulp-mocha": "^2.1.3",
     "mocha": "^2.3.0"
   },
   "author": {