feat(jshint): add Airbnb JavaScript Style JSHinting

Author: Hans Kristian Flaatten

.jshintrc

@@ -0,0 +1,63 @@
+{
+  /*
+   * ENVIRONMENTS
+   * =================
+   */
+
+  // Define globals exposed by modern browsers.
+  "browser": true,
+
+  // Define globals exposed by jQuery.
+  "jquery": true,
+
+  // Define globals exposed by Node.js.
+  "node": true,
+  "mocha": true,
+
+  // Allow ES6.
+  "esnext": false,
+
+  /*
+   * ENFORCING OPTIONS
+   * =================
+   */
+
+  // Force all variable names to use either camelCase style or UPPER_CASE
+  // with underscores.
+  "camelcase": true,
+
+  // Prohibit use of == and != in favor of === and !==.
+  "eqeqeq": true,
+
+  // Enforce tab width of 2 spaces.
+  "indent": 2,
+
+  // Prohibit use of a variable before it is defined.
+  "latedef": true,
+
+  // Enforce line length to 80 characters
+  "maxlen": 80,
+
+  // Require capitalized names for constructor functions.
+  "newcap": true,
+
+  // Enforce use of single quotation marks for strings.
+  "quotmark": "single",
+
+  // Enforce placing 'use strict' at the top function scope
+  "strict": true,
+
+  // Prohibit use of explicitly undeclared variables.
+  "undef": true,
+
+  // Warn when variables are defined but never used.
+  "unused": true,
+
+  /*
+   * RELAXING OPTIONS
+   * =================
+   */
+
+  // Suppress warnings about == null comparisons.
+  "eqnull": true
+}

package.json

@@ -13,6 +13,7 @@
     "test": "test"
   },
   "scripts": {
+    "lint": "jshint index.js test.js",
     "watch": "mocha -w -b -c --check-leaks -R progress test.js",
     "test": "mocha -b -c --check-leaks -R spec test.js"
   },
@@ -36,6 +37,7 @@
   },
   "homepage": "https://github.com/Turistforeningen/node-mongo-querystring",
   "devDependencies": {
+    "jshint": "^2.8.0",
     "mocha": "^2.3.4"
   }
 }