Add test file to check Typescript types for the .js dist

Author: leongersen

tests/typescript.ts

@@ -0,0 +1,27 @@
+// Test file to check Typescript types for the .js dist
+import noUiSlider from 'dist/nouislider.js';
+
+const element: HTMLElement|null = document.querySelector('#slider');
+
+if (element) {
+
+    noUiSlider.create(element, {
+        start: [20, 50],
+        range: {
+            min: 0,
+            '50%': 30,
+            max: 100
+        }
+    });
+
+    const range = {
+        min: 0,
+        '50%': 30,
+        max: 100
+    };
+
+    noUiSlider.create(element, {
+        start: [20, 50],
+        range: range
+    });
+}