Add ESLint

Uses Airbnbs styleguide as a sensible default

Author: simonsmith

.eslintrc

@@ -0,0 +1,11 @@
+{
+  "extends": "airbnb/legacy",
+  "rules": {
+    "vars-on-top": 0,
+    "comma-dangle": [2, "never"],
+    "func-names": 0,
+    "one-var": [2, { uninitialized: "always", initialized: "never" }],
+    "no-param-reassign": [0],
+    "no-use-before-define": [2, "nofunc"]
+  }
+}

package.json

@@ -34,13 +34,16 @@
   },
   "devDependencies": {
     "chai": "^3.4.1",
+    "eslint": "^1.10.2",
+    "eslint-config-airbnb": "^1.0.2",
     "mocha": "^2.3.4",
     "postcss-property-lookup": "^1.1.4",
     "rewire": "^2.5.0",
     "sinon": "^1.17.2"
   },
   "scripts": {
-    "test": "mocha --reporter spec --slow 400",
+    "test": "npm run lint && mocha --reporter spec --slow 400",
+    "lint": "eslint lib/index.js test/test.js bin/suitcss",
     "watch": "mocha --watch --reporter spec --slow 400"
   },
   "keywords": [

test/.eslintrc

@@ -0,0 +1,12 @@
+{
+  "extends": "../.eslintrc",
+  "globals": {
+    "it": true,
+    "describe": true,
+    "afterEach": true,
+    "beforeEach": true
+  },
+  "rules": {
+    "no-unused-expressions": 0
+  }
+}