Feat/lab query plan

[mskorokhodov]

Background

Description

Hive Laboratory to render Hive Router query plan if it's part of response

Screen.Recording.2026-04-06.at.22.04.27.mov

Checklist

• Input validation
• Output encoding
• Authentication management
• Session management
• Access control
• Cryptographic practices
• Error handling and logging
• Data protection
• Communication security
• System configuration
• Database security
• File management
• Memory management
• Testing

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the GraphQL Laboratory by integrating a comprehensive query plan visualization feature. Users can now inspect the execution plan of their GraphQL queries, viewing it either as a formatted text output or an interactive visual flow diagram. This addition is complemented by new configuration options in the laboratory settings, allowing for fine-grained control over network requests, subscription protocols, and introspection behavior, ultimately providing a more powerful and insightful development experience.

Highlights

• Query Plan Visualization: Introduced a new feature to visualize GraphQL query plans within the laboratory environment, offering both text and interactive visual representations.
• Graph Flow Component: Implemented a reusable Flow component for rendering directed graphs, which is utilized by the visual query plan display.
• Expanded Laboratory Settings: Added new configuration options for fetch behavior (timeout, retry, use GET for queries), subscription protocols, and introspection settings.
• Dependency Updates: Updated and added graph-related dependencies, specifically dagrejs and @dagrejs/dagre, to support graph layout algorithms.

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[github-actions]

🚀 Snapshot Release (alpha)

The latest changes of this PR are available as alpha on npm (based on the declared changesets):

Package	Version	Info
@graphql-hive/laboratory	0.1.4-alpha-20260407134726-7badd8a3665b019fc542624f2c6d2f41aac255f5	npm ↗︎ unpkg ↗︎
@graphql-hive/render-laboratory	0.1.4-alpha-20260407134726-7badd8a3665b019fc542624f2c6d2f41aac255f5	npm ↗︎ unpkg ↗︎

[github-actions]

🐋 This PR was built and pushed to the following Docker images:

Targets: build

Platforms: linux/amd64

Image Tag: 7badd8a3665b019fc542624f2c6d2f41aac255f5

[gemini-code-assist]

Code Review

This pull request introduces a query plan visualizer, a significant feature. My review focuses on improving correctness, performance, and adherence to the repository's guidelines. I've identified several areas for improvement, including dependency management, performance optimization in the new flow component, safer data handling and parsing, and ensuring robust UI rendering. The most critical issues relate to dependency correctness and the lack of data validation for the query plan, which could lead to runtime errors.

[gemini-code-assist]

The switch statement in queryPlanNodeIcon is missing a default case. If a new node kind is added in the future, this function will return undefined and cause a rendering error. Adding a default case that returns null or a fallback icon will make this component more robust.

export const queryPlanNodeIcon = (
  kind: QueryPlanNode['kind'],
): ((props: LucideProps) => React.ReactNode) => {
  return (props: LucideProps) => {
    switch (kind) {
      case 'Root':
        return <GraphQLIcon {...props} />;
      case 'Fetch':
        return <Box {...props} />;
      case 'BatchFetch':
        return <Boxes {...props} />;
      case 'Flatten':
        return <Layers2Icon {...props} />;
      case 'Sequence':
        return <ListOrderedIcon {...props} />;
      case 'Parallel':
        return <NetworkIcon {...props} />;
      case 'Condition':
        return <GitForkIcon {...props} className={cn('rotate-90', props.className)} />;
      case 'Subscription':
        return <UnlinkIcon {...props} />;
      case 'Defer':
        return <ClockIcon {...props} />;
      default:
        return null;
    }
  };
};