Add definition for "FileSaver.js"

fileSaver/fileSaver-tests.ts

@@ -0,0 +1,11 @@
+/// <reference path="fileSaver.d.ts" />
+
+/**
+ * @summary Test for "saveAs" function.
+ */
+function testSaveAs() {
+    var data: Blob = new Blob(["Hello, world!"], {type: "text/plain;charset=utf-8"});
+    var filename: string = 'hello world.txt';
+    
+    saveAs(data, filename);
+}

fileSaver/fileSaver-tests.ts.tscparams

@@ -0,0 +1 @@
+--noImplicitAny

fileSaver/fileSaver.d.ts

@@ -0,0 +1,27 @@
+// Type definitions for FileSaver.js
+// Project: https://github.com/eligrey/FileSaver.js/
+// Definitions by: Cyril Schumacher <https://github.com/cyrilschumacher>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/**
+ * @summary Interface for "saveAs" function.
+ * @author  Cyril Schumacher
+ * @version 1.0
+ */
+interface FileSaver {
+    (
+        /**
+         * @summary Data.
+         * @type {Blob}
+         */
+        data: Blob,
+        
+        /**
+         * @summary File name.
+         * @type {DOMString}
+         */
+        filename: string
+    ): void
+}
+
+declare var saveAs: FileSaver;