chore(project): add ESLint

.eslintrc

@@ -0,0 +1,117 @@
+{
+  "ecmaFeatures": {
+    "blockBindings": true,
+    "forOf": true,
+    "jsx": true
+  },
+  "env": {
+    "node": true
+  },
+  "globals": {
+    "before": false,
+    "after": false,
+    "beforeEach": false,
+    "afterEach": false,
+    "describe": false,
+    "it": false
+  },
+  "rules": {
+    "accessor-pairs": 2,
+    "arrow-spacing": [2, { "before": true, "after": true }],
+    "brace-style": [2, "1tbs", { "allowSingleLine": true }],
+    "comma-dangle": [2, "never"],
+    "comma-spacing": [2, { "before": false, "after": true }],
+    "comma-style": [2, "last"],
+    "constructor-super": 2,
+    "curly": [2, "multi-line"],
+    "dot-location": [2, "property"],
+    "eol-last": 2,
+    "eqeqeq": [2, "allow-null"],
+    "generator-star-spacing": [2, { "before": true, "after": true }],
+    "handle-callback-err": [2, "^(err|error)$" ],
+    "indent": [2, 2, { "indentSwitchCase": true }],
+    "key-spacing": [2, { "beforeColon": false, "afterColon": true }],
+    "new-cap": [2, { "newIsCap": true, "capIsNew": false }],
+    "new-parens": 2,
+    "no-array-constructor": 2,
+    "no-caller": 2,
+    "no-class-assign": 2,
+    "no-cond-assign": 2,
+    "no-const-assign": 2,
+    "no-control-regex": 2,
+    "no-debugger": 2,
+    "no-delete-var": 2,
+    "no-dupe-args": 2,
+    "no-dupe-keys": 2,
+    "no-duplicate-case": 2,
+    "no-empty-character-class": 2,
+    "no-empty-label": 2,
+    "no-eval": 2,
+    "no-ex-assign": 2,
+    "no-extend-native": 2,
+    "no-extra-bind": 2,
+    "no-extra-boolean-cast": 2,
+    "no-extra-parens": [2, "functions"],
+    "no-fallthrough": 2,
+    "no-floating-decimal": 2,
+    "no-func-assign": 2,
+    "no-implied-eval": 2,
+    "no-inner-declarations": [2, "functions"],
+    "no-invalid-regexp": 2,
+    "no-irregular-whitespace": 2,
+    "no-iterator": 2,
+    "no-label-var": 2,
+    "no-labels": 2,
+    "no-lone-blocks": 2,
+    "no-mixed-spaces-and-tabs": 2,
+    "no-multi-spaces": 2,
+    "no-multi-str": 2,
+    "no-multiple-empty-lines": [2, { "max": 1 }],
+    "no-native-reassign": 2,
+    "no-negated-in-lhs": 2,
+    "no-new": 2,
+    "no-new-func": 2,
+    "no-new-object": 2,
+    "no-new-require": 2,
+    "no-new-wrappers": 2,
+    "no-obj-calls": 2,
+    "no-octal": 2,
+    "no-octal-escape": 2,
+    "no-proto": 2,
+    "no-redeclare": 2,
+    "no-regex-spaces": 2,
+    "no-return-assign": 2,
+    "no-self-compare": 2,
+    "no-sequences": 2,
+    "no-shadow-restricted-names": 2,
+    "no-spaced-func": 2,
+    "no-sparse-arrays": 2,
+    "no-this-before-super": 2,
+    "no-throw-literal": 2,
+    "no-trailing-spaces": 2,
+    "no-undef": 2,
+    "no-undef-init": 2,
+    "no-unexpected-multiline": 2,
+    "no-unneeded-ternary": 2,
+    "no-unreachable": 2,
+    "no-useless-call": 2,
+    "no-with": 2,
+    "one-var": [2, { "initialized": "never" }],
+    "operator-linebreak": [2, "after"],
+    "quotes": [2, "single", "avoid-escape"],
+    "radix": 2,
+    "semi": [2, "always"],
+    "space-after-keywords": [2, "always"],
+    "space-before-blocks": [2, "always"],
+    "space-before-function-paren": [2, "never"],
+    "space-in-parens": [2, "never"],
+    "space-infix-ops": 2,
+    "space-return-throw-case": 2,
+    "space-unary-ops": [2, { "words": true, "nonwords": false }],
+    "spaced-comment": [2, "always", { "markers": ["global", "globals", "eslint", "eslint-disable", "*package", "!", ","] }],
+    "use-isnan": 2,
+    "valid-typeof": 2,
+    "wrap-iife": [2, "any"],
+    "yoda": [2, "never"]
+  }
+}

package.json

@@ -4,7 +4,8 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "exit 0",
+    "eslint": "eslint src"
   },
   "repository": {
     "type": "git",
@@ -15,5 +16,13 @@
   "bugs": {
     "url": "https://github.com/RisingStack/graffiti/issues"
   },
-  "homepage": "https://github.com/RisingStack/graffiti#readme"
+  "homepage": "https://github.com/RisingStack/graffiti#readme",
+  "devDependencies": {
+    "eslint": "1.0.0-rc-3",
+    "pre-commit": "^1.0.10"
+  },
+  "pre-commit": [
+    "eslint",
+    "test"
+  ]
 }