Fix/rm render

[kooksee]

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[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 dixhttp dependency visualization server by introducing advanced UI features such as node grouping, prefix filtering, and group subgraph exploration. It also adds support for deploying the visualization under a custom base path and allows backend registration of group rules. Concurrently, the dixrender package for DOT graph generation has been removed, streamlining the project's rendering capabilities to focus on the interactive web UI. The changes aim to provide a more powerful and flexible dependency visualization experience.

Highlights

• Enhanced UI Features: Introduced Group Rules (Prefix Aggregation), Prefix Filter, Group Subgraph visualization, and SVG export functionality to the dependency visualization UI.
• Base Path Support: The HTTP server now supports mounting the UI and API under a configurable base path, which is beneficial for deployments behind gateways or reverse proxies.
• Backend Group Rule Registration: Added the ability to register group rules programmatically on the backend, allowing for predefined and persistent grouping configurations.
• Detailed Provider Information: Extended dixinternal.ProviderDetails to include package path information for output types, function names, and input types, providing richer data for visualization.
• Removal of dixrender Package: The dixrender package, previously used for DOT format graph rendering, has been removed, streamlining the project's rendering capabilities to focus on the interactive web UI.

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Changelog

• dixhttp/README.md
  • Added documentation for Group Rules, Prefix Filter, Group Subgraph, and Base Path configuration.
  • Updated API examples to include GET /api/group-rules and enhanced provider JSON structure.
• dixhttp/README_zh.md
  • Added Chinese documentation for Group Rules, Prefix Filter, Group Subgraph, and Base Path configuration.
  • Updated API examples in Chinese.
• dixhttp/server.go
  • Implemented base path support with ServerOption and WithBasePath.
  • Introduced GroupRule struct and associated functions for managing group rules.
  • Modified setupRoutes to handle base paths and added a new /api/group-rules endpoint.
  • Updated HandleIndex to replace __DIX_BASE_PATH__ in the HTML template.
  • Extended ProviderInfo with OutputPkg, FunctionPkg, and InputPkgs.
• dixhttp/template.html
  • Added UI controls for group aggregation, prefix filtering, and group subgraph viewing.
  • Implemented client-side JavaScript logic for new visualization features and SVG export.
  • Updated API calls to use a dynamic API_BASE path.
  • Enhanced node data to include packagePath for improved grouping and filtering.
  • Added a 'Group Detail' panel for selected group nodes.
• dixinternal/api.go
  • Extended ProviderDetails with OutputPkg, FunctionPkg, and InputPkgs.
  • Modified GetProviderDetails to extract and include package path information for types and functions.
  • Added helper functions resolveTypePkgPath and resolveFuncPkgPath for package path resolution.
• dixrender/renderer.go
  • Removed the entire dixrender package.
• example/cycle/main.go
  • Removed a call to dixglobal.Graph().
• example/go.mod
  • Updated module dependencies and removed unused indirect requirements.
• example/go.sum
  • Updated checksums to reflect changes in go.mod.
• example/handler/main.go
  • Removed calls to dixglobal.Graph().
• example/struct-out/main.go
  • Removed a call to dixglobal.Graph().

Activity

• The pull request introduces significant new features and refactors existing code.
• It involves changes across multiple components: documentation, HTTP server logic, UI templates, and internal API structures.
• The removal of the dixrender package suggests a consolidation of rendering efforts towards the web UI.
• The changes to go.mod and go.sum indicate dependency updates.

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[gemini-code-assist]

Code Review

This pull request represents a significant enhancement by replacing the previous rendering mechanism with a comprehensive, interactive HTTP-based visualization tool. The changes introduce powerful features like node grouping, prefix filtering, and base path support, backed by a well-structured backend and a feature-rich frontend. The overall implementation is robust and thoughtfully designed. I have one minor suggestion to refine the prefix matching logic for improved clarity and correctness.

[gemini-code-assist]

The condition target.startsWith(p) || target.includes(p) is logically equivalent to just target.includes(p), as startsWith is a more specific case of includes. For matching "path-like" prefixes, using only startsWith is more precise and aligns better with user expectations for prefix filtering. This change will prevent unintended matches where a prefix appears in the middle of a path string, making the grouping behavior more predictable and accurate.

Suggested change

	if (target.startsWith(p) || target.includes(p)) {
	if (target.startsWith(p)) {