use app-base from my master

.codeclimate.yml

@@ -1,7 +1,7 @@
-engines:
-  duplication:
-    enabled: true
-    config:
-      languages:
-        javascript:
-          mass_threshold: 50
+languages:
+  JavaScript: true
+exclude_paths:
+- "dist/**/*"
+- "dist/*.js"
+- "dist/**/*.js"
+- "dist/**.js"

README.md

@@ -16,7 +16,7 @@ npm i async-simple-iterator --save
 const asyncSimpleIterator = require('async-simple-iterator')
 ```
 
-### [AsyncSimpleIterator](index.js#L51)
+### [AsyncSimpleIterator](index.js#L52)
 > Initialize `AsyncSimpleIterator` with `options`.
 
 **Params**
@@ -54,9 +54,6 @@ ctrl.map([
 })
 ```
 
-### [.wrapIterator](index.js#L129)
-> Wraps `iterator` function which then can be passed to [async][] lib. You can pass returned iterator function to **every** [async][] method that you want.
-
 **Params**
 
 * `iterator` **{Function}**: Iterator to pass to [async][] lib.    

index.js

@@ -8,6 +8,7 @@
 'use strict'
 
 var utils = require('./utils')
+var AppBase = require('app-base').AppBase
 
 /**
  * > Initialize `AsyncSimpleIterator` with `options`.
@@ -53,9 +54,12 @@ function AsyncSimpleIterator (options) {
     return new AsyncSimpleIterator(options)
   }
   this.defaultOptions(options)
-  utils.Emitter(this)
+  utils.Emitter.call(this, this)
+  AppBase.call(this)
 }
 
+AppBase.extend(AsyncSimpleIterator)
+
 /**
  * > Setting default options. Default `settle` option is `false`.
  *
@@ -64,12 +68,12 @@ function AsyncSimpleIterator (options) {
  * @api private
  */
 
-AsyncSimpleIterator.prototype.defaultOptions = function defaultOptions (options) {
+AppBase.define(AsyncSimpleIterator.prototype, 'defaultOptions', function defaultOptions (options) {
   options = utils.extend({settle: false}, this.options, options)
   options.settle = typeof options.settle === 'boolean' ? !!options.settle : false
   this.options = options
   return this
-}
+})
 
 /**
  * > Wraps `iterator` function which then can be passed to [async][] lib.
@@ -126,7 +130,7 @@ AsyncSimpleIterator.prototype.defaultOptions = function defaultOptions (options)
  * @api public
  */
 
-AsyncSimpleIterator.prototype.wrapIterator = function wrapIterator (iterator, options) {
+AppBase.define(AsyncSimpleIterator.prototype, 'wrapIterator', function wrapIterator (iterator, options) {
   if (typeof iterator !== 'function') {
     throw new TypeError('async-simple-iterator: expect `iterator` to be function')
   }
@@ -143,7 +147,7 @@ AsyncSimpleIterator.prototype.wrapIterator = function wrapIterator (iterator, op
   }
 
   return utils.iteratorFactory(this, iterator)
-}
+})
 
 /**
  * Expose `AsyncSimpleIterator` instance

package.json

@@ -11,6 +11,7 @@
     "test": "standard && node test.js"
   },
   "dependencies": {
+    "app-base": "github:tunnckocore/app-base",
     "component-emitter": "^1.2.0",
     "extend-shallow": "^2.0.1",
     "is-typeof-error": "^1.1.0",
@@ -77,4 +78,4 @@
       "reflinks": true
     }
   }
-}
+}