add standard (#10)

* add standard

* standard --fix

* split var declarations into multiple statements

Author: Lars-Magnus Skog

README.md

@@ -6,6 +6,7 @@
 > Error module for [LevelUP](https://github.com/rvagg/node-levelup)
 
 [![Build Status](https://travis-ci.org/Level/errors.png)](https://travis-ci.org/Level/errors)
+[![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)
 [![Greenkeeper badge](https://badges.greenkeeper.io/Level/errors.svg)](https://greenkeeper.io/)
 
 ## Usage

errors.js

@@ -4,19 +4,19 @@
  * <https://github.com/rvagg/node-levelup/blob/master/LICENSE.md>
  */
 
-var createError   = require('errno').create
-  , LevelUPError  = createError('LevelUPError')
-  , NotFoundError = createError('NotFoundError', LevelUPError)
+var createError = require('errno').create
+var LevelUPError = createError('LevelUPError')
+var NotFoundError = createError('NotFoundError', LevelUPError)
 
 NotFoundError.prototype.notFound = true
-NotFoundError.prototype.status   = 404
+NotFoundError.prototype.status = 404
 
 module.exports = {
-    LevelUPError        : LevelUPError
-  , InitializationError : createError('InitializationError', LevelUPError)
-  , OpenError           : createError('OpenError', LevelUPError)
-  , ReadError           : createError('ReadError', LevelUPError)
-  , WriteError          : createError('WriteError', LevelUPError)
-  , NotFoundError       : NotFoundError
-  , EncodingError       : createError('EncodingError', LevelUPError)
+  LevelUPError: LevelUPError,
+  InitializationError: createError('InitializationError', LevelUPError),
+  OpenError: createError('OpenError', LevelUPError),
+  ReadError: createError('ReadError', LevelUPError),
+  WriteError: createError('WriteError', LevelUPError),
+  NotFoundError: NotFoundError,
+  EncodingError: createError('EncodingError', LevelUPError)
 }

package.json

@@ -23,7 +23,7 @@
     "url": "https://github.com/level/errors.git"
   },
   "scripts": {
-    "test": "tape test.js"
+    "test": "standard && tape test.js"
   },
   "homepage": "https://github.com/level/errors.git",
   "keywords": [
@@ -39,6 +39,7 @@
   },
   "license": "MIT",
   "devDependencies": {
+    "standard": "^10.0.3",
     "tape": "^4.3.0"
   }
 }

test.js

@@ -1,9 +1,9 @@
-var test   = require('tape')
-  , errors = require('./')
+var test = require('tape')
+var errors = require('./')
 
 test('all errors are instances of LevelUPError', function (t) {
   var LevelUPError = errors.LevelUPError
-    , keys         = Object.keys(errors)
+  var keys = Object.keys(errors)
 
   keys.forEach(function (key) {
     t.ok(new errors[key]() instanceof LevelUPError)