Add toString() method to selected enums

src/common/enums/stretch.enum.js

@@ -5,7 +5,27 @@ var Stretch = Object.freeze({
   Conditional: 3,
   Fixed: 4,
   FixedSource: 5,
-  Default: -1
+  Default: -1,
+  toString: (stretch) => {
+    switch (stretch) {
+      case 0:
+        return 'NoStretch';
+      case 1:
+        return 'Basic';
+      case 2:
+        return 'Hybrid';
+      case 3:
+        return 'Conditional';
+      case 4:
+        return 'Fixed';
+      case 5:
+        return 'FixedSource';
+      case -1:
+        return 'Default';
+      default:
+        return 'INVALID STRETCH VALUE';
+    }
+  }
 });
 
 export default Stretch;

src/common/enums/video-alignment.enum.js

@@ -2,7 +2,21 @@ var VideoAlignment = Object.freeze({
   Left: 0,
   Center: 1,
   Right: 2,
-  Default: -1
+  Default: -1,
+  toString: (alignment) => {
+    switch (alignment) {
+      case 0:
+        return 'Left';
+      case 1:
+        return 'Center';
+      case 2:
+        return 'Right';
+      case -1:
+        return 'Default';
+      default:
+        return 'ILLEGAL VIDEO ALIGNMENT';
+    }
+  }
 });
 
 export default VideoAlignment;