Allow null TableRow sidebars

Summary: Makes the API a bit easier to use. Don't have to build an empty sidebar if you don't want one.

Reviewed By: passy

Differential Revision: D15064205

fbshipit-source-id: bd31c1aa97fd6d1c93717c10b268f49e44eb1299

android/src/main/java/com/facebook/flipper/nativeplugins/table/TableRow.java

@@ -92,7 +92,7 @@ public abstract class TableRow {
     columnsObject.put("id", id);
     return new FlipperObject.Builder()
         .put("columns", columnsObject.build())
-        .put("sidebar", sidebar.serialize())
+        .put("sidebar", sidebar != null ? sidebar.serialize() : null)
         .put("id", id)
         .build();
   }

src/plugins/TableNativePlugin.js

@@ -199,7 +199,7 @@ function renderToolbar(section: ToolbarSection) {
 
 function renderSidebarForRow(rowData: RowData): Node {
   if (!rowData.sidebar) {
-    throw new Error('renderSidebar used with missing rowData.sidebar');
+    return null;
   }
   if (!Array.isArray(rowData.sidebar)) {
     throw new Error('typeof rowData.sidebar is not array as expected: ');