From 8013d190e8b41742aed0cf30191075ada28b2b89 Mon Sep 17 00:00:00 2001
From: Thibault Derousseaux <tibdex@gmail.com>
Date: Wed, 18 Sep 2019 20:26:10 +0200
Subject: [PATCH] Only show node structure when there is no data

---
 packages/json-extension/src/component.tsx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/json-extension/src/component.tsx b/packages/json-extension/src/component.tsx
index 9338e10237ae..a75d6d06f67f 100644
--- a/packages/json-extension/src/component.tsx
+++ b/packages/json-extension/src/component.tsx
@@ -71,7 +71,14 @@ export class Component extends React.Component<IProps, IState> {
           }}
           invertTheme={false}
           keyPath={[root]}
-          getItemString={() => null}
+          getItemString={(type, data, itemType) =>
+            ((Array.isArray(data) && data) || Object.keys(data)).length ===
+            0 ? (
+              // When there is no data, we display the collection type ("{}" or "[]").
+              <span>{itemType}</span>
+            ) : // Otherwise, the data speaks for itself.
+            null
+          }
           labelRenderer={([label, type]) => {
             // let className = 'cm-variable';
             // if (type === 'root') {