Improve eslint linting and remove js-beautify

ESLint can do the same things as js-beautify now.

Author: SpaceK33z

.eslintrc

@@ -3,23 +3,46 @@
         "node": true
     },
     "rules": {
-        "strict": 0,
-        "camelcase": 0,
-        "curly": 0,
-        "indent": [2, "tab"],
-        "eol-last": 2,
-        "no-shadow": 0,
-        "no-redeclare": 2,
-        "no-extra-bind": 2,
-        "no-empty": 0,
-        "no-process-exit": 2,
-        "no-underscore-dangle": 0,
-        "no-use-before-define": 0,
-        "no-unused-vars": 2,
-        "consistent-return": 0,
-        "no-inner-declarations": 2,
-        "no-loop-func": 2,
-        "no-undef": 2,
-        "space-before-function-paren": [2, "never"]
+        "indent": [2, "tab", { "SwitchCase": 1 }],
+        "brace-style": ["error", "1tbs"],
+        "no-eval": "error",
+        "eol-last": "error",
+        "no-redeclare": "error",
+        "no-extra-bind": "error",
+        "no-process-exit": "error",
+        "no-inner-declarations": "warn",
+        "no-loop-func": "warn",
+        "no-undef": "error",
+        "no-trailing-spaces": "error",
+        "space-before-function-paren": ["error", "never"],
+        "no-multi-spaces": "error",
+        "space-in-parens": "error",
+        "space-before-blocks": "error",
+        "no-unused-vars": "error",
+        "no-dupe-keys": "error",
+        "valid-typeof": "error",
+        "space-infix-ops": "error",
+        "no-negated-in-lhs": "error",
+        "no-octal": "error",
+        "no-regex-spaces": "error",
+        "no-self-assign": "error",
+        "no-sparse-arrays": "error",
+        "no-unexpected-multiline": "error",
+        "no-unreachable": "error",
+        "no-extra-semi": "error",
+        "no-func-assign": "error",
+        "no-invalid-regexp": "error",
+        "keyword-spacing": ["error", {
+            "after": false,
+            "overrides": {
+                "try": {"after": true},
+                "else": {"after": true},
+                "throw": {"after": true},
+                "case": {"after": true},
+                "return": {"after": true},
+                "finally": {"after": true},
+                "do": {"after": true}
+            }
+        }]
     }
 }

package.json

@@ -12,9 +12,7 @@
     "range-parser": "^1.0.3"
   },
   "devDependencies": {
-    "eslint": "^2.10.1",
-    "beautify-lint": "^1.0.4",
-    "js-beautify": "^1.6.3"
+    "eslint": "^3.4.0"
   },
   "licenses": [
     {
@@ -33,8 +31,7 @@
   },
   "scripts": {
     "lint": "eslint *.js",
-    "beautify-lint": "beautify-lint *.js",
-    "beautify": "beautify-rewrite *.js",
-    "travis": "npm run lint && npm run beautify-lint && node middleware.js"
+    "beautify": "npm run lint -- --fix",
+    "travis": "npm run lint && node middleware.js"
   }
 }