Start the using eslint

.eslintrc.json

@@ -0,0 +1,23 @@
+{
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "ecmaFeatures": {
+      "jsx": true
+    }
+  },
+  "rules": {
+    "comma-dangle": [
+      "error",
+      {
+        "arrays": "only-multiline",
+        "objects": "only-multiline"
+      }
+    ],
+    "no-param-reassign": [
+      "error",
+      {
+        "props": true
+      }
+    ]
+  }
+}

package.json

@@ -18,6 +18,7 @@
     "browser-sync": "2.18.2",
     "browserify": "13.1.1",
     "dictify": "1.1.0",
+    "eslint": "3.12.2",
     "espower-loader": "1.2.0",
     "fixpack": "2.3.1",
     "gulp": "3.9.1",
@@ -56,6 +57,7 @@
     "d": "npm run develop",
     "develop": "$(npm bin)/gulp develop",
     "jsdoc": "$(npm bin)/jsdoc -c ./jsdoc/conf.json -r -d ./jsdoc/out",
+    "lint": "$(npm bin)/eslint '{src,test}/**/*.js'",
     "s": "npm run serve",
     "serve": "$(npm bin)/gulp serve",
     "test": "npm run test:fastest",