fix 'Illegal invocation error on call 'FileListWrapper.item' method' (c…

…lose DevExpress#1446) (DevExpress#1459)
AndreyBelym · Feb 28, 2019 · 14a96ab · 14a96ab
1 parent 99ebd41
commit 14a96ab
Show file tree

Hide file tree

Showing 2 changed files with 19 additions and 3 deletions.
diff --git a/src/client/sandbox/upload/file-list-wrapper.js b/src/client/sandbox/upload/file-list-wrapper.js
@@ -8,10 +8,8 @@ export default class FileListWrapper {
 
         for (let i = 0; i < fileList.length; i++)
             this[i] = FileListWrapper._createFileWrapper(fileList[i]);
-    }
 
-    item (index) {
-        return this[index];
+        this.item = index => this[index];
     }
 
     static _base64ToBlob (base64Data, mimeType, sliceSize) {

diff --git a/test/client/fixtures/sandbox/upload-test.js b/test/client/fixtures/sandbox/upload-test.js
@@ -725,4 +725,22 @@ if (window.FileList) {
 
         ok(getProperty(input, 'files') instanceof FileList);
     });
+
+    test('illegal invocation error on call `FileListWrapper.item` method (GH-1446)', function () {
+        var input = document.createElement('input');
+
+        input.type = 'file';
+
+        var inputFiles = getProperty(input, 'files');
+
+        try {
+            var item1 = inputFiles.item(0);
+
+            notOk(item1);
+        }
+        catch (e) {
+            ok(false, 'error is raised');
+        }
+
+    });
 }