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feat(backend): adding CodeValidation and TestCLI to help BuildingSystem to generate correct version code #117

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merged 18 commits into from
Feb 17, 2025

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ZHallen122
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@ZHallen122 ZHallen122 commented Feb 5, 2025

Summary by CodeRabbit

  • New Features

    • Introduced a robust frontend build validator and an efficient task queue system for generating and validating code.
    • Refreshed the project template with a new welcome screen and updated dependencies for enhanced routing and network support.
  • Refactor

    • Streamlined file management, prompt instructions, and configuration settings to leverage modern JavaScript features and improve error handling.

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coderabbitai bot commented Feb 5, 2025

Walkthrough

This pull request updates several components across the build system and project templates. It refines test cases, removes an obsolete file structure prompt, and enhances prompt generation for frontend code. New modules for code validation, file operations, and task queue management are introduced to improve the frontend code generation pipeline. Additionally, configuration files in the React template are updated with new dependencies, compiler settings, and build targets, while error handling in dependency resolution is adjusted to use a retryable error.

Changes

Files Change Summary
backend/.../__tests__/fullstack-gen.spec.ts Updated test case “sequence” object: modified name and description to change project context without altering functionality.
backend/.../file-structure/prompt.ts Removed generateFileStructurePrompt; updated generateCommonFileStructurePrompt to refine folder structure descriptions and enforce .tsx file naming.
backend/.../frontend-code-generate/(CodeValidator.ts, index.ts, prompt.ts, CodeReview.ts) Introduced new classes and interfaces including FrontendCodeValidator, FrontendQueueProcessor, CodeTaskQueue, and FileInfos; restructured the run method; and added new prompt functions (generateFixPrompt, generateFileOperationPrompt, generateCommonErrorPrompt) for code generation and validation.
backend/.../frontend-code-generate/FileOperationManager.ts Added FileOperationManager with FileOperation interface to manage file writing, renaming, and reading with safety checks and JSON parsing.
backend/.../file_generator_util.ts Updated error handling in buildConcurrencyLayers to throw a RetryableError instead of a generic error.
backend/template/react-ts/(index.html, package.json, src/index.tsx, tsconfig.app.json, tsconfig.json, tsconfig.node.json, vite.config.ts) Simplified script loading in HTML; added axios and react-router-dom dependencies; introduced a new React component in index.tsx; adjusted TS compiler options (disabling unused checks and strict mode); and updated Vite config to target modern JavaScript features.

Sequence Diagram(s)

sequenceDiagram
  participant FCH as FrontendCodeHandler
  participant CQ as CodeTaskQueue
  participant FQP as FrontendQueueProcessor
  participant FCV as FrontendCodeValidator
  participant LLM as LanguageModel

  FCH ->> CQ: Enqueue file tasks
  CQ ->> FQP: Dequeue a task
  FQP ->> FCV: Execute "npm run build" for validation
  alt Validation Fails
    FQP ->> LLM: Request fix based on error output
    LLM -->> FQP: Return proposed fix
    FQP ->> FCV: Re-validate updated file
  else Validation Succeeds
    FQP ->> FCH: Report success
  end
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Possibly related PRs

Suggested labels

enhancement

Suggested reviewers

  • Sma1lboy

Poem

From burrows deep, a code bunny hops,
Fixing tests and prompts non-stop.
New classes bloom like springtime cheer,
Dependencies, tasks—all crystal clear.
In React fields where changes glow,
I nibble bugs to make them go!
🐰✨ Happy coding in every row!

Warning

There were issues while running some tools. Please review the errors and either fix the tool’s configuration or disable the tool if it’s a critical failure.

🔧 ESLint

If the error stems from missing dependencies, add them to the package.json file. For unrecoverable errors (e.g., due to private dependencies), disable the tool in the CodeRabbit configuration.

backend/src/build-system/handlers/frontend-code-generate/CodeReview.ts

Oops! Something went wrong! :(

ESLint: 8.57.1

ESLint couldn't find the plugin "eslint-plugin-prettier".

(The package "eslint-plugin-prettier" was not found when loaded as a Node module from the directory "/backend".)

It's likely that the plugin isn't installed correctly. Try reinstalling by running the following:

npm install eslint-plugin-prettier@latest --save-dev

The plugin "eslint-plugin-prettier" was referenced from the config file in "backend/.eslintrc.js".

If you still can't figure out the problem, please stop by https://eslint.org/chat/help to chat with the team.

backend/src/build-system/handlers/frontend-code-generate/index.ts

Oops! Something went wrong! :(

ESLint: 8.57.1

ESLint couldn't find the plugin "eslint-plugin-prettier".

(The package "eslint-plugin-prettier" was not found when loaded as a Node module from the directory "/backend".)

It's likely that the plugin isn't installed correctly. Try reinstalling by running the following:

npm install eslint-plugin-prettier@latest --save-dev

The plugin "eslint-plugin-prettier" was referenced from the config file in "backend/.eslintrc.js".

If you still can't figure out the problem, please stop by https://eslint.org/chat/help to chat with the team.

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@ZHallen122 ZHallen122 requested a review from Sma1lboy February 16, 2025 16:16
@ZHallen122 ZHallen122 marked this pull request as ready for review February 17, 2025 02:08
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Actionable comments posted: 6

🧹 Nitpick comments (21)
backend/template/react-ts/tsconfig.json (2)

3-6: Review of References Array Formatting.
The "references" array now ends on line 6 with a trailing comma after the last element. This is acceptable in JSONC (JSON with comments), but please verify that your build tools and editors correctly interpret the format.


7-10: Review of Newly Added Compiler Options.
The added "compilerOptions" block disables unused code checks by setting "noUnusedLocals": false and "noUnusedParameters": false. Ensure that this relaxation is intentional and that it won’t allow overlooked dead code to accumulate. Also, confirm that other parts of the build system expecting stricter checks have been updated accordingly.

backend/template/react-ts/tsconfig.node.json (1)

16-19: Static Analysis Note on JSONC Formatting.
Static analysis tools are flagging lines 17–19 with messages such as "End of file expected" due to the JSONC comments and formatting. These appear to be false positives. Confirm that the TypeScript compiler in your environment properly supports JSONC (i.e., JSON with comments) so that these warnings do not mask real issues.

🧰 Tools
🪛 Biome (1.9.4)

[error] 16-16: JSON standard does not allow comments.

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backend/src/build-system/handlers/frontend-code-generate/prompt.ts (5)

5-6: Fix typographical error in TypeScript reference.

Inside the returned string, consider correcting "typscript" to "TypeScript" to maintain a professional presentation.

-3. Type Safe: Follow typscript standard.
+3. Type Safe: Follow TypeScript standard.

9-20: Check for consistency in instructions formatting.

The instructions mix uppercase (e.g., "DONT") and normal case (e.g., "Implement only the given file"). For clarity, consider aligning the style across all numbered points.


69-117: Validate naming references to avoid confusion.

In the text, you refer to “originalCode” in the instructions but use originalContent in the parameter. Although functionally correct, clarifying the terminology or unifying it could prevent confusion for maintainers.


119-197: Consider clarifying the RENAME usage guidelines further.

The instructions provide examples but do not explicitly specify whether to rename directories or only files. If directory renaming is allowed, elaborate on how to handle nested structures. If not, clarify that only file renames are intended.


200-231: Ensure that examples reflect actual real-world error messages.

The examples in the “generateCommonErrorPrompt” function are valuable, but some sample errors (e.g., “Cannot find namespace ''.ts”) are unclear. Consider adding more realistic or common TypeScript/React error examples to maximize developer usefulness.

backend/src/build-system/handlers/frontend-code-generate/FileOperationManager.ts (3)

50-87: Revisit concurrency handling for sequential execution.

executeOperations processes the operations sequentially in a for-loop, but each operation is awaited individually. If parallel handling is desired in future, ensure the renameMap updates and error handling remain thread-safe. For now, sequential logic seems valid but keep concurrency in mind for large batches.


148-208: Harden the parse logic for incomplete structures.

While you check for parsedData.fix and parsedData.fix.operation, there’s no fallback handling if parsedData.fix.operation.type is something unexpected (e.g., not "WRITE", "RENAME", or "READ"). Consider defaulting to an error or ignoring unrecognized operation types.


210-255: Extend or customize restricted paths in safetyChecks.

Currently, you disallow modifications to package.json and paths outside projectRoot. For robust security, consider injecting additional restricted file patterns (like lockfiles, environment directories, or secrets) if needed in your environment.

backend/src/build-system/handlers/frontend-code-generate/index.ts (2)

82-82: Confirm rename map persistence strategy.

const renameMap = new Map<string, string>(); is created anew per run. If you must preserve rename state across multiple handler executions/restarts, consider a more persistent storage approach (e.g., database, local file tracking).


220-243: Optimize repeated dependency reads.

gatherDependenciesForFile reads each dependency file from disk. If large sets of dependencies are reused across multiple files, consider caching read results in memory to reduce I/O overhead.

backend/src/build-system/handlers/frontend-code-generate/FrontendQueueProcessor.ts (4)

37-41: Consider supporting multiple dependency files instead of a single optional path.

Currently, dependenciesPath is a single string. If future tasks require referencing multiple dependency files, consider introducing an array-based property (e.g., dependenciesPaths: string[]) to accommodate broader scenarios.


43-57: Potential concurrency enhancements for task queue operations.

CodeTaskQueue is straightforward and works well in a single-thread model. If concurrency or parallel tasks become necessary, consider adding synchronization mechanisms or a concurrency-safe data structure to avoid race conditions.


83-96: Clarify handling of re-queue scenarios.

The log at line 93 indicates “maybe need to requeue”, but there’s no implementation for actually re-queuing tasks. Decide whether tasks that fail partial processing should be placed back on the queue (with updated state) or handled differently.


185-354: Assess potential security risks from LLM-based parsing of instructions.

The method dynamically reads files and executes operations parsed from LLM output. Malicious or unexpected responses could lead to overwriting critical areas of the filesystem. Consider stricter path validation or sandboxing, especially for future expansions or multi-tenant environments.

backend/template/react-ts/src/index.tsx (1)

1-5: Consider adding an error boundary or higher-level exception handler.

This minimal setup is good for getting started, but for production use, wrapping <App /> with an error boundary (or React’s ErrorBoundary via libraries) can help gracefully handle runtime errors.

backend/template/react-ts/vite.config.ts (1)

13-18: Validate that dropping support for older browsers is acceptable.

By targeting esnext, you might exclude older browser environments. Ensure this aligns with your user/support requirements. Alternatively, consider a more conservative target (e.g., es2019) if older environments must be supported.

backend/src/build-system/handlers/frontend-code-generate/CodeValidator.ts (1)

60-60: Remove commented-out code.

The commented-out error log should be removed as it's not providing any value.

-          // this.logger.error(`Build process exited with code ${code}.`);
backend/src/build-system/handlers/file-manager/file-structure/prompt.ts (1)

4-4: Fix typo in Chinese comment.

The comment contains a typo in Chinese characters.

-  // 已被通用的 generateCommonFileStructurePrompt 取代
+  // 已被通用的 generateCommonFileStructurePrompt 替代
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 00f2df6 and 62015a5.

⛔ Files ignored due to path filters (1)
  • backend/template/react-ts/package-lock.json is excluded by !**/package-lock.json
📒 Files selected for processing (15)
  • backend/src/build-system/__tests__/fullstack-gen.spec.ts (1 hunks)
  • backend/src/build-system/handlers/file-manager/file-structure/prompt.ts (2 hunks)
  • backend/src/build-system/handlers/frontend-code-generate/CodeValidator.ts (1 hunks)
  • backend/src/build-system/handlers/frontend-code-generate/FileOperationManager.ts (1 hunks)
  • backend/src/build-system/handlers/frontend-code-generate/FrontendQueueProcessor.ts (1 hunks)
  • backend/src/build-system/handlers/frontend-code-generate/index.ts (7 hunks)
  • backend/src/build-system/handlers/frontend-code-generate/prompt.ts (2 hunks)
  • backend/src/build-system/utils/file_generator_util.ts (2 hunks)
  • backend/template/react-ts/index.html (1 hunks)
  • backend/template/react-ts/package.json (1 hunks)
  • backend/template/react-ts/src/index.tsx (1 hunks)
  • backend/template/react-ts/tsconfig.app.json (1 hunks)
  • backend/template/react-ts/tsconfig.json (1 hunks)
  • backend/template/react-ts/tsconfig.node.json (1 hunks)
  • backend/template/react-ts/vite.config.ts (1 hunks)
✅ Files skipped from review due to trivial changes (2)
  • backend/src/build-system/tests/fullstack-gen.spec.ts
  • backend/template/react-ts/package.json
🧰 Additional context used
🪛 GitHub Actions: autofix.ci
backend/template/react-ts/tsconfig.json

[error] 1-1: TypeScript compilation failed with exit code 1.

backend/template/react-ts/tsconfig.app.json

[error] 1-1: TypeScript compilation failed with exit code 1.

backend/template/react-ts/tsconfig.node.json

[error] 1-1: TypeScript compilation failed with exit code 1.

🪛 Biome (1.9.4)
backend/template/react-ts/tsconfig.node.json

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🔇 Additional comments (6)
backend/src/build-system/handlers/frontend-code-generate/FileOperationManager.ts (2)

18-24: Validate presence of required fields in FileOperation.

Although the interface is clear, consider adding runtime checks (e.g., ensuring originalPath is always defined for 'write'/'rename') to avoid partial or inconsistent operations that might cause runtime exceptions.


94-101: Check for potential partial writes.

handleWrite writes a file once removeCodeBlockFences(op.code) is done. If op.code is empty or invalid, the file may be overwritten or truncated. Consider verifying op.code content or prompting an error/log warning before writing.

backend/src/build-system/handlers/frontend-code-generate/index.ts (1)

88-89: Uncomment or remove the installDependencies call if needed.

validator.installDependencies() is currently commented out, which may be unintentional if dependencies are required to ensure a clean environment for validation. Clarify whether you intend to skip dependency installation or reintroduce it.

backend/src/build-system/handlers/frontend-code-generate/FrontendQueueProcessor.ts (1)

104-172: Verify the decision to continue after failed fix attempts.

After two fix attempts, the file is not rebuilt successfully, and the process simply logs an error without halting. Verify whether this silent failure is intended (i.e., partial success is acceptable) or whether a thrown exception would be more appropriate to avoid leaving the build in a broken state.

backend/src/build-system/utils/file_generator_util.ts (1)

299-304: LGTM! Good use of RetryableError.

Using RetryableError for dependency cycles is a good choice as it allows the system to retry the operation, which might succeed after other tasks complete.

backend/template/react-ts/index.html (1)

11-11: LGTM! Simplified module loading.

The direct TypeScript module loading is cleaner and more appropriate for a TypeScript template.

Comment on lines 16 to +19
/* Linting */
"strict": true,
"noUnusedLocals": true,
"noUnusedParameters": true,
"strict": false,
"noUnusedLocals": false,
"noUnusedParameters": false,
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⚠️ Potential issue

Critical: Relaxation of Type Checking in tsconfig.node.json.
Changing "strict" from true to false along with setting "noUnusedLocals" and "noUnusedParameters" to false considerably relaxes TypeScript’s type-safety guarantees. This could potentially allow type inconsistencies to go unnoticed and lead to runtime errors. Please verify that this trade-off is acceptable for your Node environment and that comprehensive tests are in place to catch any issues.

🧰 Tools
🪛 Biome (1.9.4)

[error] 16-16: JSON standard does not allow comments.

(parse)


[error] 17-17: End of file expected

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Comment on lines 17 to +20
"jsx": "react-jsx",
"strict": false,
"noUnusedLocals": true,
"noUnusedParameters": true,
"noUnusedLocals": false,
"noUnusedParameters": false,
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⚠️ Potential issue

Review of Compiler Options in tsconfig.app.json.
Similar to the Node configuration, the frontend config now disables strict type checking and unused code checks by setting "strict": false, "noUnusedLocals": false, and "noUnusedParameters": false. Relaxing these checks can ease development but may also let subtle type errors and dead code slip through. Make sure that this change aligns with overall project quality standards and that you have sufficient testing in place to catch potential errors.

Comment on lines +130 to +146
/**
* Handles the 'rename' action: moves or renames a file.
*
* @param op - A FileOperation containing `originalPath` and `renamePath`.
*/
private async handleRename(op: FileOperation): Promise<void> {
const originalPath = path.resolve(this.projectRoot, op.originalPath);
const RenamePath = path.resolve(this.projectRoot, op.renamePath);

this.safetyChecks(originalPath);
this.safetyChecks(RenamePath);

this.logger.debug('start rename: ' + originalPath);
this.logger.debug('change to name: ' + RenamePath);
// Perform the actual rename
await rename(originalPath, RenamePath);
}
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⚠️ Potential issue

Ensure non-empty rename targets.

handleRename uses op.renamePath without checking if it’s undefined or empty. This could result in a rename from a valid path to an undefined location. Consider validating op.renamePath and failing earlier with a clear error message.

+ if (!op.renamePath) {
+   throw new Error('No renamePath specified for rename operation');
+ }
await rename(originalPath, RenamePath);
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
/**
* Handles the 'rename' action: moves or renames a file.
*
* @param op - A FileOperation containing `originalPath` and `renamePath`.
*/
private async handleRename(op: FileOperation): Promise<void> {
const originalPath = path.resolve(this.projectRoot, op.originalPath);
const RenamePath = path.resolve(this.projectRoot, op.renamePath);
this.safetyChecks(originalPath);
this.safetyChecks(RenamePath);
this.logger.debug('start rename: ' + originalPath);
this.logger.debug('change to name: ' + RenamePath);
// Perform the actual rename
await rename(originalPath, RenamePath);
}
/**
* Handles the 'rename' action: moves or renames a file.
*
* @param op - A FileOperation containing `originalPath` and `renamePath`.
*/
private async handleRename(op: FileOperation): Promise<void> {
const originalPath = path.resolve(this.projectRoot, op.originalPath);
const RenamePath = path.resolve(this.projectRoot, op.renamePath);
this.safetyChecks(originalPath);
this.safetyChecks(RenamePath);
this.logger.debug('start rename: ' + originalPath);
this.logger.debug('change to name: ' + RenamePath);
// Ensure non-empty rename targets.
if (!op.renamePath) {
throw new Error('No renamePath specified for rename operation');
}
// Perform the actual rename
await rename(originalPath, RenamePath);
}

Comment on lines +33 to +36
const npmProcess = spawn('npm', ['run', 'build'], {
cwd: this.frontendPath,
shell: true,
});
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⚠️ Potential issue

Security: Remove shell: true option from spawn.

The shell: true option can be dangerous as it may allow command injection. Since you're executing a known command (npm), it's safer to remove this option.

 const npmProcess = spawn('npm', ['run', 'build'], {
   cwd: this.frontendPath,
-  shell: true,
 });
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
const npmProcess = spawn('npm', ['run', 'build'], {
cwd: this.frontendPath,
shell: true,
});
const npmProcess = spawn('npm', ['run', 'build'], {
cwd: this.frontendPath,
});

Comment on lines +29 to +78
public async validate(): Promise<ValidationResult> {
return new Promise<ValidationResult>((resolve, reject) => {
this.logger.log('Starting frontend code validation...');
// Spawn the npm build process in the provided frontend project path.
const npmProcess = spawn('npm', ['run', 'build'], {
cwd: this.frontendPath,
shell: true,
});

this.logger.log('Running npm build command in', this.frontendPath);
let stdoutBuffer = '';
let stderrBuffer = '';

npmProcess.stdout.on('data', (data: Buffer) => {
const output = data.toString();
stdoutBuffer += output;
});

npmProcess.stderr.on('data', (data: Buffer) => {
const output = data.toString();
stderrBuffer += output;
});

npmProcess.on('close', (code: number) => {
if (code !== 0) {
// Build failed – use stderr if available, else fallback to stdout.
const errorMessage = stderrBuffer || stdoutBuffer;
this.logger.verbose(
`Build process exited with code ${code}. Error: ${errorMessage}`,
);

// this.logger.error(`Build process exited with code ${code}.`);
resolve({
success: false,
error: errorMessage,
});
} else {
// Build succeeded
this.logger.log('Build process completed successfully.');
resolve({
success: true,
});
}
});

npmProcess.on('error', (err: Error) => {
reject(err);
});
});
}
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🛠️ Refactor suggestion

Add timeout handling for npm processes.

Long-running or hanging npm processes could block the validation indefinitely. Consider adding a timeout mechanism.

 public async validate(): Promise<ValidationResult> {
+  const TIMEOUT_MS = 5 * 60 * 1000; // 5 minutes
   return new Promise<ValidationResult>((resolve, reject) => {
     this.logger.log('Starting frontend code validation...');
     const npmProcess = spawn('npm', ['run', 'build'], {
       cwd: this.frontendPath,
     });
+    
+    const timeoutId = setTimeout(() => {
+      npmProcess.kill();
+      reject(new Error('Build process timed out after 5 minutes'));
+    }, TIMEOUT_MS);
 
     // ... existing code ...
 
     npmProcess.on('close', (code: number) => {
+      clearTimeout(timeoutId);
       if (code !== 0) {
         // ... existing code ...
       }
     });
 
     npmProcess.on('error', (err: Error) => {
+      clearTimeout(timeoutId);
       reject(err);
     });
   });
 }

Committable suggestion skipped: line range outside the PR's diff.

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Actionable comments posted: 4

🧹 Nitpick comments (9)
backend/src/build-system/handlers/frontend-code-generate/CodeReview.ts (5)

69-72: Leverage constructor dependency injection checks
The constructor receives multiple dependencies. Consider validating that all required parameters are non-null here (e.g., validator, queue, etc.) to avoid potential runtime errors earlier in the pipeline.


84-96: Confirm file creation success before proceeding
After writing each file in processAllTasks, ensure that the file was successfully created before calling processSingleTask. Otherwise, validation might run on an incomplete file, causing misleading build failures.

+ // Check if file write was successful (e.g., using fs.stat).
+ // If unsuccessful, handle the error or re-try before proceeding to validation.

104-114: Optimize the retry/fix attempts logic
You're currently hardcoding maxFixAttempts = 2. For maximum flexibility, consider making it configurable, especially for more complex generation tasks.


126-134: Evaluate logging sensitive error data
Be cautious about logging or passing the entire build error text to the LLM. If the build error contains sensitive data, it could lead to unintended exposure.


185-354: Validate rename references
When the file is renamed in fixFileGeneric, ensure references to the old filepath are updated appropriately throughout the codebase. Otherwise, subsequent code generation or build steps may fail.

backend/src/build-system/handlers/frontend-code-generate/index.ts (4)

21-24: Sustain clarity in new interface
The FileInfos interface is a neat approach but consider adding doc comments to define its usage scope clearly. This can help other developers understand how dependsOn is meant to be used.


140-147: Double-check reading large dependency files
In gatherDependenciesForFile, consider how large or numerous dependencies might impact performance, especially if the LLM prompt becomes too large. A streaming or chunk-based approach could be more robust.


193-203: Check for repeated validations
After enqueuing multiple files, you’ll run validation for each, potentially leading to repeated builds. Consider a more optimal approach: batch write all files first, then validate once if feasible.


215-239: Potential user confusion on gatherDependenciesForFile
In your doc string, clarify whether this method only gathers direct dependencies or also transitive dependencies. This distinction can be important for more complex build graphs.

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Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 62015a5 and d3cbd03.

📒 Files selected for processing (2)
  • backend/src/build-system/handlers/frontend-code-generate/CodeReview.ts (1 hunks)
  • backend/src/build-system/handlers/frontend-code-generate/index.ts (7 hunks)
🔇 Additional comments (4)
backend/src/build-system/handlers/frontend-code-generate/index.ts (4)

6-6: Validate presence of new utility methods
The import readFileWithRetries is introduced. Verify that the file utility is available and tested to avoid runtime errors if the underlying library changes.


79-80: Consider concurrency side effects of renameMap
While renameMap tracks file renaming, ensure that concurrent or parallel runs don’t mismanage entry updates. You might need locks or concurrency controls if this map is shared across threads.


128-134: Safely handle rename references
When updating dependencies (via renameMap), make sure that once a file is renamed, referencing that file in subsequent passes or layers is valid and consistent in the codebase.


149-166: Add parallel file generation guardrails
Files in a single layer are generated in parallel, but the queue-based fix approach is sequential. Verify that partial concurrency doesn’t introduce race conditions (e.g., overwriting the same dependency).

Comment on lines +162 to +172
// If we reached here, we failed all attempts
// if we want to end all generate
// throw new Error(
// `Failed to fix build for file ${task.filePath} after ${maxFixAttempts} attempts.`,
// );

// if we dont want to end the process
this.logger.error(
`Failed to fix build for file ${task.filePath} after ${maxFixAttempts} attempts.`,
);
}
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🛠️ Refactor suggestion

Ensure consistent error handling
The code only logs a final error when all fix attempts fail. Decide whether the process should halt or continue for subsequent files to prevent partial corruption.

Comment on lines +85 to +86
const validator = new FrontendCodeValidator(frontendPath);
// validator.installDependencies();
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🛠️ Refactor suggestion

Prompt for installing dependencies
You've commented out validator.installDependencies(). This might lead to validation failures if a fresh environment lacks required dependencies. Confirm if you intend to keep manual or automated installations.

Comment on lines +119 to +125
// Ensure fileInfos[file] exists before modifying
if (!fileInfos[file]) {
fileInfos[file] = {
filePath: file, // Assuming `file` is the correct path
dependsOn: [],
};
}
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⚠️ Potential issue

Avoid silent fallback in fileInfos
This block automatically creates a fileInfos[file] entry if it doesn’t exist. Ensure this fallback doesn’t hide potential misconfiguration if the user expects certain dependencies to be present.

Comment on lines +241 to +350
let generatedCode = '';
let modelResponse = '';
let messages = [];
try {
const fileExtension = path.extname(file);

let frontendCodePrompt = '';
if (fileExtension === '.css') {
frontendCodePrompt = generateCSSPrompt(file, directDepsPathString);
} else {
// default: treat as e.g. .ts, .js, .vue, .jsx, etc.
frontendCodePrompt = generateFrontEndCodePrompt(
file,
directDepsPathString,
);
}
// this.logger.log(
// `Prompt for file "${file}":\n${frontendCodePrompt}\n`,
// );

messages = [
{
role: 'system' as const,
content: frontendCodePrompt,
},
{
role: 'user' as const,
content: `## Sitemap Structure
${sitemapStruct}
`,
},
// To DO need to dynamically add the UX Datamap Documentation and Backend Requirement Documentation based on the file generate
// {
// role: 'user' as const,
// content: `This is the UX Datamap Documentation:
// ${uxDataMapDoc}

// Next will provide UX Datamap Documentation.`,
// },
// {
// role: 'user' as const,
// content: `This is the Backend Requirement Documentation:
// ${backendRequirementDoc}

// Next will provide Backend Requirement Documentation.`,
// },
{
role: 'assistant',
content:
"Good, now provider your dependencies, it's okay dependencies are empty, which means you don't have any dependencies",
},
{
role: 'user' as const,
content: `

## Overview of The Internal Dependencies filess you may need
${directDepsPathString}

## Detail about each Internal Dependencies:
${dependenciesText}\n
`,
},
{
role: 'user',
content: `Now you can provide the code, don't forget the <GENERATE></GENERATE> tags.`,
},
// {
// role: 'assistant',
// content: codeReviewPrompt,
// },
] as MessageInterface[];

// 6. Call your Chat Model
modelResponse = await chatSyncWithClocker(
context,
{
model: 'gpt-4o',
messages,
},
'generate frontend code',
FrontendCodeHandler.name,
);

generatedCode = formatResponse(modelResponse);

return generatedCode;
} catch (err) {
this.logger.error(`Error generating code for ${file}:`, err);
// FIXME: remove this later
failedFiles.push(
JSON.stringify({
file: file,
error: err,
modelResponse,
generatedCode,
messages,
}),
);
}
}
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⚠️ Potential issue

Security concern with unfiltered prompts
When constructing prompts in generateFileCode, ensure no sensitive data is injected. A malicious or large user-supplied doc might inadvertently leak internal details when appended to the LLM prompt.

@Sma1lboy Sma1lboy changed the title Feat backend frontend code gen fault check feat(backend): adding CodeValidation and TestCLI to help BuildingSystem to generate correct version code Feb 17, 2025
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LGTM

@Sma1lboy Sma1lboy merged commit f12b2a5 into main Feb 17, 2025
2 of 3 checks passed
@Sma1lboy Sma1lboy deleted the feat_backend_Frontend_code_GEN_Fault_check branch February 17, 2025 16:02
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2 participants