proper isArray function

senchalabs · Jun 8, 2010 · 296d370 · 296d370
1 parent 5f3e82f
commit 296d370
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/riak.js b/lib/riak.js
@@ -102,8 +102,13 @@ Riak.prototype.walk = function(bucket, key, spec, options) {
 
 // map/reduce api
 
+function isArray(o) {   
+  return o && !(o.propertyIsEnumerable('length')) && typeof o === 'object' && typeof o.length === 'number';
+}
+
 function makePhases(type, phase) {
-  if (phase.constructor !== Array) phase = [phase]
+
+  if (!isArray(phase)) phase = [phase]
 
   return phase.map(function(p) {
     var temp = {}