add CC.yml for precise code analysis

.codeclimate.yml

@@ -0,0 +1,17 @@
+engines:
+  eslint:
+    enabled: true
+    config: .eslintrc
+  duplication:
+    enabled: false
+    config:
+      languages:
+      - javascript
+  fixme:
+      enabled: true
+ratings:
+  paths:
+  - "lib/**.js"
+exclude_paths:
+- data/*
+- assets/*

.eslintrc.json

@@ -7,7 +7,7 @@
     "extends": "eslint:recommended",
     "parserOptions": {
         "sourceType": "module",
-        "ecmaVersion": 6,
+        "ecmaVersion": 7,
         "ecmaFeatures": {
             "jsx": false
         }
@@ -66,7 +66,7 @@
                     "string": "String",
                     "number": "Number",
                     "boolean": "Boolean",
-                    "rromise": "Promise",
+                    "promise": "Promise",
                     "array": "Array",
                     "undefined":" Undefined",
                     "null": "Null",