fix: Update "Copy Object" in line viewer to work with nested objects and arrays (#1274)

Fixes: HDX-2617

.changeset/shy-carrots-wash.md

@@ -0,0 +1,5 @@
+---
+"@hyperdx/app": patch
+---
+
+fix: Update "Copy Object" in line viewer to work with nested objects and arrays

packages/app/src/components/DBRowJsonViewer.test.tsx

@@ -52,15 +52,6 @@ describe('DBRowJsonViewer', () => {
     jest.clearAllMocks();
   });
 
-  // Helper function to simulate clicking a button in a line
-  const clickLineButton = (fieldText: string, buttonText: string) => {
-    const line = screen.getByText(fieldText).closest('.line')! as HTMLElement;
-    fireEvent.mouseEnter(line);
-    const lineMenu = line.querySelector('.lineMenu')! as HTMLElement;
-    const button = within(lineMenu).getByText(buttonText);
-    fireEvent.click(button);
-  };
-
   // Helper to render component
   const renderComponent = (data: any) => {
     return renderWithMantine(
@@ -70,6 +61,33 @@ describe('DBRowJsonViewer', () => {
     );
   };
 
+  // Helper to click a button on a line
+  const clickLineButton = (fieldText: string, buttonText: string) => {
+    const line = screen.getByText(fieldText).closest('.line')! as HTMLElement;
+    fireEvent.mouseEnter(line);
+    const button = within(line).getByText(buttonText);
+    fireEvent.click(button);
+  };
+
+  // Helper to expand a field and click a button on a nested field
+  const expandAndClickButton = (
+    parentField: string,
+    childField: string,
+    buttonText: string,
+  ) => {
+    const parentLine = screen
+      .getByText(parentField)
+      .closest('.line')! as HTMLElement;
+    fireEvent.click(parentLine);
+
+    const childLine = screen
+      .getByText(childField)
+      .closest('.line')! as HTMLElement;
+    fireEvent.mouseEnter(childLine);
+    const button = within(childLine).getByText(buttonText);
+    fireEvent.click(button);
+  };
+
   it('formats log attributes correctly', () => {
     renderComponent(logData);
     clickLineButton('field1', 'Search');
@@ -136,4 +154,45 @@ describe('DBRowJsonViewer', () => {
       },
     );
   });
+
+  describe('copy functionality', () => {
+    const mockClipboard = jest.fn();
+
+    beforeEach(() => {
+      Object.assign(navigator, {
+        clipboard: { writeText: mockClipboard },
+      });
+    });
+
+    it('copies array elements from expanded stringified JSON', () => {
+      const arrayObject = { status: 'True', type: 'PodReady' };
+      const data = { conditions: JSON.stringify([arrayObject]) };
+
+      renderComponent(data);
+      expandAndClickButton('conditions', '0', 'Copy Object');
+
+      expect(mockClipboard).toHaveBeenCalledWith(
+        JSON.stringify(arrayObject, null, 2),
+      );
+    });
+
+    it('copies entire stringified value when not expanded', () => {
+      const arrayData = [{ type: 'Ready' }, { type: 'Init' }];
+      const data = { conditions: JSON.stringify(arrayData) };
+
+      renderComponent(data);
+      clickLineButton('conditions', 'Copy Value');
+
+      expect(mockClipboard).toHaveBeenCalledWith(JSON.stringify(arrayData));
+    });
+
+    it('copies regular nested objects', () => {
+      renderComponent(logData);
+      clickLineButton('nested', 'Copy Object');
+
+      expect(mockClipboard).toHaveBeenCalledWith(
+        JSON.stringify({ field3: 'nested value' }, null, 2),
+      );
+    });
+  });
 });

packages/app/src/components/DBRowJsonViewer.tsx

@@ -4,7 +4,6 @@ import { useAtom, useAtomValue } from 'jotai';
 import { atomWithStorage } from 'jotai/utils';
 import get from 'lodash/get';
 import {
-  ActionIcon,
   Box,
   Button,
   Group,
@@ -344,8 +343,17 @@ export function DBRowJsonViewer({
       }
 
       const handleCopyObject = () => {
-        const copiedObj =
-          keyPath.length === 0 ? rowData : get(rowData, keyPath);
+        let copiedObj;
+
+        // When in parsed JSON context (e.g., expanded stringified JSON),
+        // use the value directly since keyPath doesn't match rowData structure
+        if (isInParsedJson && parsedJsonRootPath) {
+          copiedObj = value;
+        } else {
+          // For regular nested objects, use keyPath to navigate rowData
+          copiedObj = keyPath.length === 0 ? rowData : get(rowData, keyPath);
+        }
+
         window.navigator.clipboard.writeText(
           JSON.stringify(copiedObj, null, 2),
         );