Use eslint instead of jscs/jshint

Add .eslint.rc and test/.eslint.rc

.eslintrc

@@ -0,0 +1,59 @@
+{
+  "extends": "eslint:recommended",
+  "parserOptions": {
+    "ecmaVersion": 6
+  },
+  "env": {
+    "node": true,
+    "es6": true
+  },
+  "rules": {
+    "strict": ["error", "global"],
+    /* possible errors */
+    "no-console": 0,
+    "no-empty": ["error", { "allowEmptyCatch": true }], // disallow empty block statements
+    /* best practices */
+    "curly": 2, // enforce consistent brace style for all control statements
+    "no-eval": 2, // disallow the use of eval()
+    "no-extend-native": 2, // disallow extending native types
+    "no-global-assign": 2, // disallow assignments to native objects or read-only global variables
+    "no-implicit-coercion": 2, // disallow shorthand type conversions
+    "no-implicit-globals": 2, // disallow var and named function declarations in the global scope
+    "no-implied-eval": 2, // disallow the use of eval()-like methods
+    "no-lone-blocks": 2, // disallow unnecessary nested blocks
+    "no-useless-escape": 0, // disallow unnecessary escape characters
+    /* Stylistic Issues */
+    "array-bracket-spacing": 1, // enforce consistent spacing inside array brackets
+    "block-spacing": 1, // enforce consistent spacing inside single-line blocks
+    "comma-spacing": 1, // enforce consistent spacing before and after commas
+    "computed-property-spacing": 1, // enforce consistent spacing inside computed property brackets
+    "eol-last": 1, // enforce at least one newline at the end of files
+    "func-call-spacing": 1, // require or disallow spacing between function identifiers and their invocations
+    "indent": ["warn", 2, {"MemberExpression": 0, "SwitchCase": 1}], // enforce consistent indentation
+    "key-spacing": ["warn", { "mode": "minimum" }], // enforce consistent spacing before and after keywords
+    "keyword-spacing": 1, // enforce consistent spacing between keys and values in object literal properties
+    "linebreak-style": 1, // enforce consistent linebreak style
+    "no-trailing-spaces": 1, // disallow trailing whitespace at the end of lines
+    "no-var": 1, // require let or const instead of var
+    "object-curly-spacing": ["warn", "never"], // enforce consistent spacing inside braces
+    "one-var": ["warn", "never"], // enforce variables to be declared either together or separately in functions
+    "padded-blocks": ["warn", "never"], // require or disallow padding within blocks
+    "semi": ["warn", "always"], // require or disallow semicolons instead of ASI
+    "semi-spacing": 1, // enforce consistent spacing before and after semicolons
+    "space-before-blocks": 1, // enforce consistent spacing before blocks
+    "space-before-function-paren": ["warn", "never"], // enforce consistent spacing before function definition opening parenthesis
+    "space-in-parens": ["warn", "never"], // enforce consistent spacing inside parentheses
+    "space-infix-ops": 1, // require spacing around operators
+    /* ES6 */
+    "arrow-body-style": ["warn", "as-needed"], // require braces around arrow function bodies
+    "arrow-parens": ["warn", "as-needed"], // require parentheses around arrow function arguments
+    "arrow-spacing": 1, // enforce consistent spacing before and after the arrow in arrow functions
+    "no-useless-constructor": 1, // disallow unnecessary constructors
+    "object-shorthand": ["warn", "always", {"avoidQuotes": true}], // require or disallow method and property shorthand syntax for object literals
+    "prefer-arrow-callback": ["warn", {"allowNamedFunctions": true}], // require arrow functions as callbacks
+    "prefer-const": 1, // require const declarations for variables that are never reassigned after declared
+    "prefer-template": 1, // require template literals instead of string concatenation
+    "template-curly-spacing": ["warn", "never"] // require or disallow spacing around embedded expressions of template strings
+  },
+  "root": true
+}

package.json

@@ -11,9 +11,8 @@
   },
   "scripts": {
     "start": ": ${NODE_ENV=development} && node index.js",
-    "test": ": ${NODE_ENV=development} && npm run test:jshint && npm run test:jscs && npm run test:unit && npm run test:integration",
-    "test:jshint": "jshint *.js src/**/*.js test/**/*.js",
-    "test:jscs": "jscs *.js src/**/*.js test/**/*.js",
+    "test": ": ${NODE_ENV=development} && npm run test:lint && npm run test:unit && npm run test:integration",
+    "test:lint": "eslint config src test *.js",
     "test:unit": "mocha --opts test/mocha.opts ./test/unit/",
     "test:integration": "mocha --opts test/mocha.opts ./test/integration",
     "release": "npm run release:install && npm run release:archive",
@@ -37,8 +36,7 @@
   "devDependencies": {
     "chai": "^4.1.1",
     "co-mocha": "^1.1.2",
-    "jscs": "^3.0.7",
-    "jshint": "^2.9.4",
+    "eslint": "^4.4.1",
     "mocha": "^3.2.0",
     "sinon": "^1.17.4",
     "supertest": "^3.0.0"

test/.eslintrc

@@ -0,0 +1,13 @@
+{
+  "extends": "../.eslintrc",
+  "rules": {
+    "no-shadow": 1
+  },
+  "globals": {
+    "expect": true,
+    "sinon": true
+  },
+  "env": {
+    "mocha": true
+  }
+}