#247: fixed isFile/isBlob methods

Author: RubaXa

dist/FileAPI.html5.js

@@ -135,6 +135,8 @@
 _rinput = /input/i,
 _rdata = /^data:[^,]+,/,
 
+_toString = {}.toString,
+
 
 Math = window.Math,
 
@@ -556,19 +558,25 @@
 
 
 /**
- * Is file instance
- *
+ * Is file?
  * @param {File} file
  * @return {Boolean}
  */
 isFile: function (file){
-returnhtml5 && file && (file instanceof File);
+return _toString.call(file) === '[object File]';
 },
 
+
+/**
+ * Is blob?
+ * @param {Blob} blob
+ * @returns {Boolean}
+ */
 isBlob: function (blob) {
-return  html5 && blob && (blob instanceof Blob);
+return this.isFile(blob) || (_toString.call(blob) === '[object Blob]');
 },
 
+
 /**
  * Is canvas element
  *

dist/FileAPI.html5.min.js

@@ -135,6 +135,8 @@
 _rinput = /input/i,
 _rdata = /^data:[^,]+,/,
 
+_toString = {}.toString,
+
 
 Math = window.Math,
 
@@ -556,19 +558,25 @@
 
 
 /**
- * Is file instance
- *
+ * Is file?
  * @param {File} file
  * @return {Boolean}
  */
 isFile: function (file){
-returnhtml5 && file && (file instanceof File);
+return _toString.call(file) === '[object File]';
 },
 
+
+/**
+ * Is blob?
+ * @param {Blob} blob
+ * @returns {Boolean}
+ */
 isBlob: function (blob) {
-return  html5 && blob && (blob instanceof Blob);
+return this.isFile(blob) || (_toString.call(blob) === '[object Blob]');
 },
 
+
 /**
  * Is canvas element
  *

dist/FileAPI.js

@@ -41,6 +41,8 @@
 _rinput = /input/i,
 _rdata = /^data:[^,]+,/,
 
+_toString = {}.toString,
+
 
 Math = window.Math,
 
@@ -462,19 +464,25 @@
 
 
 /**
- * Is file instance
- *
+ * Is file?
  * @param {File} file
  * @return {Boolean}
  */
 isFile: function (file){
-returnhtml5 && file && (file instanceof File);
+return _toString.call(file) === '[object File]';
 },
 
+
+/**
+ * Is blob?
+ * @param {Blob} blob
+ * @returns {Boolean}
+ */
 isBlob: function (blob) {
-return  html5 && blob && (blob instanceof Blob);
+return this.isFile(blob) || (_toString.call(blob) === '[object Blob]');
 },
 
+
 /**
  * Is canvas element
  *