components/file-upload/file-uploader.class.ts

@@ -69,7 +69,8 @@ export class FileUploader {
   }
 
   public addToQueue(files:any[], options?:any, filters?:any):void {
-    let list:any[] = [];
+    this._removeFoldersFromFiles(files)
+      .then((list: any[]) => {
         for (let file of files) {
           list.push(file);
         }
@@ -100,6 +101,7 @@ export class FileUploader {
         if (this.options.autoUpload) {
           this.uploadAll();
         }
+    });
   }
 
   public removeFromQueue(value:any):void {
@@ -459,4 +461,62 @@ export class FileUploader {
     item._onCancel(response, status, headers);
     this.onCancelItem(item, response, status, headers);
   }
+
+  private _isFileTest(file: any): Promise<any> {
+    return new Promise((resolve: any, reject: any) => {
+      if (file.size !== 0) {
+        /*
+         *  reader.readAsText or reader.readAsArrayBuffer
+         *  load file into RAM
+         *  we need a small chunk for better performance
+         */
+        let from = 0;
+        let to = 100;
+        let chunk: any;
+        if (file.slice) {
+          chunk = file.slice(from, to);
+        } else if (file.webkitSlice) {
+          chunk = file.webkitSlice(from, to);
+        } else if (file.mozSlice) {
+          chunk = file.mozSlice(from, to);
+        }
+        let reader = new FileReader();
+        reader.onload = () => resolve();
+        reader.onerror = () => reject();
+        reader.readAsArrayBuffer(chunk);
+      } else {
+        reject();
+      }
+    });
+  }
+
+  private _removeFoldersFromFiles(files: any[]): Promise<any[]>  {
+    return new Promise((resolve: any, reject: any) => {
+      let list: any[] = [];
+      let that = this;
+      let count = 0;
+      if (files.length > 0) {
+        for (let file of files) {
+          that._isFileTest(file)
+            .then(
+              () => {
+                list.push(file);
+                count++;
+                if (count === files.length) {
+                  resolve(list);
+                }
+              },
+              () => {
+                count++;
+                if (count === files.length) {
+                  resolve(list);
+                }
+              }
+            );
+        }
+      } else {
+        reject();
+      }
+    });
+  }
 }