Removes prefer-const

.eslintignore

@@ -0,0 +1,2 @@
+test/fixtures/fake-app/resources/assets/dynamic/dynamic.js
+test/fixtures/fake-app/resources/assets/extract/app.js 

.eslintrc

@@ -0,0 +1,24 @@
+{
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module"
+  },
+  "env": { 
+    "node": true
+  },
+  "rules": {
+    "no-const-assign": "error",
+    "newline-before-return": "error",
+    "semi":"error",
+    "no-unreachable": "error",
+    "no-extra-semi": "error",
+    "no-unexpected-multiline": "error",
+    "comma-dangle": ["error", {
+      "arrays": "never",
+      "objects": "never",
+      "imports": "never",
+      "exports": "never",
+      "functions": "never"
+    }]
+  }
+} 

.travis.yml

@@ -12,6 +12,10 @@ node_js:
     - '10'
     - '11'
 
+# Run ESLint after npm test
+script:
+    - npm run eslint
+
 cache:
     directories:
         - 'node_modules'