add jshint and jscs

.jscsrc

@@ -0,0 +1,45 @@
+{
+    "requireCurlyBraces": ["if", "else", "for", "while", "do", "try", "catch"],
+    "requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch"],
+    "requireSpaceBeforeKeywords": ["else", "while", "catch"],
+    "requireParenthesesAroundIIFE": true,
+    "requireSpacesInFunctionExpression": {
+        "beforeOpeningCurlyBrace": true
+    },
+    "requireSpacesInAnonymousFunctionExpression": {
+        "beforeOpeningRoundBrace": true,
+        "beforeOpeningCurlyBrace": true
+    },
+    "disallowSpacesInCallExpression": true,
+    "disallowEmptyBlocks": true,
+    "requireCommaBeforeLineBreak" : true,
+    "requireOperatorBeforeLineBreak": ["?", "+", "-", "/", "*", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<="],
+    "disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
+    "disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
+    "requireSpaceBeforeBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
+    "requireSpaceAfterBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!==", ","],
+    "requireSpaceBeforeBlockStatements": true,
+    "disallowKeywords": ["with"],
+    "disallowMultipleLineBreaks": true,
+    "validateLineBreaks": "LF",
+    "validateQuoteMarks": "'",
+    "validateIndentation": 4,
+    "disallowMixedSpacesAndTabs": true,
+    "requireCapitalizedConstructors": true,
+    "requireDotNotation": true,
+    "disallowNewlineBeforeBlockStatements": true,
+    "disallowTrailingWhitespace": true,
+    "disallowMultipleVarDecl": true,
+    "requireSpacesInForStatement": true,
+    "requireSpaceBetweenArguments": true,
+    "requireSemicolons": true,
+    "disallowSpacesInsideParentheses": true,
+    "disallowSpaceAfterObjectKeys": true,
+    "disallowSpaceBeforeSemicolon": true,
+    "requireLineFeedAtFileEnd": true,
+    "requireCamelCaseOrUpperCaseIdentifiers": "ignoreProperties",
+    "jsDoc": {
+        "checkAnnotations": "closurecompiler",
+        "checkTypes": "strictNativeCase"
+    }
+}

.jshintrc

@@ -0,0 +1,80 @@
+{
+
+  "maxerr"        : 50,       // {int} Maximum error before stopping
+
+  // Enforcing
+  "bitwise"       : true,     // true: Prohibit bitwise operators (&, |, ^, etc.)
+  "camelcase"     : true,     // true: Identifiers must be in camelCase
+  "curly"         : true,     // true: Require {} for every new block or scope
+  "eqeqeq"        : true,     // true: Require triple equals (===) for comparison
+  "forin"         : true,     // true: Require filtering for..in loops with obj.hasOwnProperty()
+  "freeze"        : true,     // true: prohibits overwriting prototypes of native objects such as Array, Date etc.
+  "immed"         : false,    // true: Require immediate invocations to be wrapped in parens e.g. `(function () { } ());`
+  "indent"        : 4,        // {int} Number of spaces to use for indentation
+  "latedef"       : false,    // true: Require variables/functions to be defined before being used
+  "newcap"        : false,    // true: Require capitalization of all constructor functions e.g. `new F()`
+  "noarg"         : true,     // true: Prohibit use of `arguments.caller` and `arguments.callee`
+  "noempty"       : true,     // true: Prohibit use of empty blocks
+  "nonbsp"        : true,     // true: Prohibit "non-breaking whitespace" characters.
+  "nonew"         : false,    // true: Prohibit use of constructors for side-effects (without assignment)
+  "plusplus"      : false,    // true: Prohibit use of `++` & `--`
+  "undef"         : true,     // true: Require all non-global variables to be declared (prevents global leaks)
+  "unused"        : true,     // true: Require all defined variables be used
+  "strict"        : true,     // true: Requires all functions run in ES5 Strict Mode
+  "maxparams"     : false,    // {int} Max number of formal params allowed per function
+  "maxdepth"      : false,    // {int} Max depth of nested blocks (within functions)
+  "maxstatements" : false,    // {int} Max number statements per function
+  "maxcomplexity" : false,    // {int} Max cyclomatic complexity per function
+  "maxlen"        : false,    // {int} Max number of characters per line
+
+  // Relaxing
+  "asi"           : false,     // true: Tolerate Automatic Semicolon Insertion (no semicolons)
+  "boss"          : false,     // true: Tolerate assignments where comparisons would be expected
+  "debug"         : false,     // true: Allow debugger statements e.g. browser breakpoints.
+  "eqnull"        : false,     // true: Tolerate use of `== null`
+  "es5"           : false,     // true: Allow ES5 syntax (ex: getters and setters)
+  "esnext"        : false,     // true: Allow ES.next (ES6) syntax (ex: `const`)
+  "moz"           : false,     // true: Allow Mozilla specific syntax (extends and overrides esnext features)
+  // (ex: `for each`, multiple try/catch, function expression…)
+  "evil"          : false,     // true: Tolerate use of `eval` and `new Function()`
+  "expr"          : false,     // true: Tolerate `ExpressionStatement` as Programs
+  "funcscope"     : false,     // true: Tolerate defining variables inside control statements
+  "globalstrict"  : false,     // true: Allow global "use strict" (also enables 'strict')
+  "iterator"      : false,     // true: Tolerate using the `__iterator__` property
+  "lastsemic"     : false,     // true: Tolerate omitting a semicolon for the last statement of a 1-line block
+  "laxbreak"      : false,     // true: Tolerate possibly unsafe line breakings
+  "laxcomma"      : false,     // true: Tolerate comma-first style coding
+  "loopfunc"      : false,     // true: Tolerate functions being defined in loops
+  "multistr"      : false,     // true: Tolerate multi-line strings
+  "noyield"       : false,     // true: Tolerate generator functions with no yield statement in them.
+  "notypeof"      : false,     // true: Tolerate invalid typeof operator values
+  "proto"         : false,     // true: Tolerate using the `__proto__` property
+  "scripturl"     : false,     // true: Tolerate script-targeted URLs
+  "shadow"        : false,     // true: Allows re-define variables later in code e.g. `var x=1; x=2;`
+  "sub"           : false,     // true: Tolerate using `[]` notation when it can still be expressed in dot notation
+  "supernew"      : false,     // true: Tolerate `new function () { ... };` and `new Object;`
+  "validthis"     : false,     // true: Tolerate using this in a non-constructor function
+
+  // Environments
+  "browser"       : true,     // Web Browser (window, document, etc)
+  "browserify"    : false,    // Browserify (node.js code in the browser)
+  "couch"         : false,    // CouchDB
+  "devel"         : true,     // Development/debugging (alert, confirm, etc)
+  "dojo"          : false,    // Dojo Toolkit
+  "jasmine"       : false,    // Jasmine
+  "jquery"        : true,     // jQuery
+  "mocha"         : true,    // Mocha
+  "mootools"      : false,    // MooTools
+  "node"          : true,    // Node.js
+  "nonstandard"   : false,    // Widely adopted globals (escape, unescape, etc)
+  "prototypejs"   : false,    // Prototype and Scriptaculous
+  "qunit"         : false,    // QUnit
+  "rhino"         : false,    // Rhino
+  "shelljs"       : false,     // ShellJS
+  "worker"        : false,    // Web Workers
+  "wsh"           : false,    // Windows Scripting Host
+  "yui"           : false,    // Yahoo User Interface
+
+  // Custom Globals
+  "globals": {}
+}

index.js

@@ -5,12 +5,12 @@ function fingerSpot(fret, string) {
         fret: fret,
         string: string
     };
-};
+}
 
 function filterAbove(note) {
     return function (i) {
         return i >= note;
-    }
+    };
 }
 
 function frettable(notes) {

package.json

@@ -4,6 +4,7 @@
   "description": "determine if a set of notes can be physically fretted on guitar",
   "main": "index.js",
   "scripts": {
+    "lint": "jshint **.js && jscs **.js",
     "test": "mocha"
   },
   "repository": {
@@ -24,6 +25,8 @@
   "homepage": "https://github.com/yomed/frettable",
   "devDependencies": {
     "chai": "^3.4.1",
+    "jscs": "^2.8.0",
+    "jshint": "^2.9.1",
     "mocha": "^2.3.3"
   }
 }