Merge with v0.2

CHANGES

@@ -1,3 +1,8 @@
+v0.2.6  --  2013.10.08
+* Fix internal events propagation when handling async calls that
+  resolve with errors. `asyncpurge` was emitted for values that had no
+	`asyncinit` emitted. Issue #9
+
 v0.2.5  --  2013.06.21
 * Fix primitive handling for dynamic arguments length
 

lib/ext/async.js

@@ -2,11 +2,12 @@
 
 'use strict';
 
-var aFrom      = require('es5-ext/array/from')
-  , last       = require('es5-ext/array/#/last')
-  , forEach    = require('es5-ext/object/for-each')
-  , isCallable = require('es5-ext/object/is-callable')
-  , nextTick   = require('next-tick')
+var aFrom       = require('es5-ext/array/from')
+  , last        = require('es5-ext/array/#/last')
+  , isArguments = require('es5-ext/function/is-arguments')
+  , forEach     = require('es5-ext/object/for-each')
+  , isCallable  = require('es5-ext/object/is-callable')
+  , nextTick    = require('next-tick')
 
   , isArray = Array.isArray, slice = Array.prototype.slice
   , apply = Function.prototype.apply;
@@ -98,7 +99,7 @@ require('../_base').ext.async = function (ignore, conf) {
 		// If false, we don't have value yet, so we assume that intention is not
 		// to memoize this call. After value is obtained we don't cache it but
 		// gracefully pass to callback
-		if (!isArray(cache[id])) {
+		if (isArguments(cache[id])) {
 			conf.emit('purgeasync', id);
 			delete cache[id];
 		}

package.json

@@ -39,7 +39,7 @@
     "next-tick": "0.1.x"
   },
   "devDependencies": {
-    "tad": "~0.1.16"
+    "tad": "~0.1.19"
   },
   "author": "Mariusz Nowak <medikoo+memoize@medikoo.com> (http://www.medikoo.com/)",
   "license": "MIT"

test/ext/async.js

@@ -3,6 +3,8 @@
 var memoize  = require('../../lib')
   , nextTick = require('next-tick');
 
+require('../../lib/ext/dispose');
+
 module.exports = function () {
 	return {
 		"Regular": {
@@ -85,7 +87,7 @@ module.exports = function () {
 					return u;
 				};
 
-				mfn = memoize(fn, { async: true });
+				mfn = memoize(fn, { async: true, dispose: a.never });
 
 				a(mfn(3, 7, function (err, res) {
 					a.deep([err, res], [e, undefined], "Result #1");