codeant-ai-for-open-source[bot] commented on code in PR #37409:
URL: https://github.com/apache/superset/pull/37409#discussion_r2742638362
##########
superset-frontend/src/components/ListView/ActionsBar.tsx:
##########
@@ -69,7 +69,8 @@ export function ActionsBar({ actions }: ActionsBarProps) {
return (
<ActionButton
key={tooltip ? undefined : index}
- icon={<IconComponent />}
+ icon={<IconComponent iconSize="l" />}
Review Comment:
**Suggestion:** Rendering `<IconComponent ... />` without checking that
`IconComponent` exists will throw if the `icon` name is invalid or missing from
`Icons`; guard the JSX so a missing icon doesn't cause a runtime crash. [null
pointer]
<details>
<summary><b>Severity Level:</b> Major ⚠️</summary>
```mdx
- ❌ Themes page Actions column rendering can crash.
- ⚠️ Any ListView using ActionsBar may throw runtime error.
- ⚠️ Console shows "Element type is invalid" React error.
```
</details>
```suggestion
icon={IconComponent ? <IconComponent iconSize="l" /> : null}
```
<details>
<summary><b>Steps of Reproduction ✅ </b></summary>
```mdx
1. Build/run the frontend dev server for the PR codebase and open the UI
page that renders
ActionsBar (see PR Testing Instructions: Settings → Themes). The ActionsBar
implementation
is at `superset-frontend/src/components/ListView/ActionsBar.tsx` (function
starts at line
~64, rendering block around lines 69-76).
2. Provide an actions array where an action's `icon` value does not exist in
the `Icons`
map. For a minimal reproduction, write a test at
`superset-frontend/src/components/ListView/__tests__/ActionsBar.invalid-icon.spec.tsx`
that imports ActionsBar from
`superset-frontend/src/components/ListView/ActionsBar.tsx`
and renders:
render(<ActionsBar actions={[{ label: 'Bad', icon: 'nonexistent_icon',
onClick: () =>
{} }]} />);
3. When the component renders, `Icons[icon as IconNameType]` in `ActionsBar`
resolves to
`undefined` and the code attempts to render it at the JSX expression on line
72:
`icon={<IconComponent iconSize="l" />}`. This triggers React's runtime
error: "Element
type is invalid: expected a string (for built-in components) or a
class/function but got:
undefined".
4. Observe the error originating from
`superset-frontend/src/components/ListView/ActionsBar.tsx:72` causing the
test or the page
render to fail. Replacing the line with the guarded form prevents the crash
by rendering
null when the icon is missing.
```
</details>
<details>
<summary><b>Prompt for AI Agent 🤖 </b></summary>
```mdx
This is a comment left during a code review.
**Path:** superset-frontend/src/components/ListView/ActionsBar.tsx
**Line:** 72:72
**Comment:**
*Null Pointer: Rendering `<IconComponent ... />` without checking that
`IconComponent` exists will throw if the `icon` name is invalid or missing from
`Icons`; guard the JSX so a missing icon doesn't cause a runtime crash.
Validate the correctness of the flagged issue. If correct, How can I resolve
this? If you propose a fix, implement it and please make it concise.
```
</details>
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