Setup morgan #16
Setup morgan #16
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WalkthroughThe changes involve the restructuring of logging middleware in an Express application. The Changes
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Actionable comments posted: 1
🧹 Outside diff range and nitpick comments (3)
src/config/morgan.ts (2)
9-14: LGTM: Success handler setup is well-configured.The
successHandleris correctly configured to skip error responses and use the custom logger.A minor suggestion for improved readability:
const successHandler = morgan(successResponseFormat, { skip: (_req, res) => res.statusCode >= 400, stream: { write: logger.info.bind(logger) }, });This change simplifies the stream configuration and binds the logger context correctly.
16-21: LGTM: Error handler setup is well-configured.The
errorHandleris correctly configured to skip success responses and use the custom logger for errors.Similar to the success handler, here's a minor suggestion for improved readability:
const errorHandler = morgan(errorResponseFormat, { skip: (_req, res) => res.statusCode < 400, stream: { write: logger.error.bind(logger) }, });This change simplifies the stream configuration and binds the logger context correctly.
src/app.ts (1)
Line range hint
12-23: Great job on improving the logging setup! Consider updating documentation.The changes to set up morgan with custom success and error handlers are well-implemented and align perfectly with the PR objective. This separation will provide more organized and detailed logs, which is beneficial for monitoring and debugging.
Consider updating the project documentation or README to reflect these changes in the logging setup. This will help other developers understand the new logging structure and how to use it effectively.
📜 Review details
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📒 Files selected for processing (2)
- src/app.ts (2 hunks)
- src/config/morgan.ts (1 hunks)
🔇 Additional comments (6)
src/config/morgan.ts (3)
1-3: LGTM: Imports and initial setup look good.The imports are appropriate for the file's purpose, and the empty line provides good separation.
1-23: Overall, excellent implementation of Morgan logging middleware.This file demonstrates a well-structured and thoughtful approach to configuring Morgan for logging in different environments. The separation of success and error handlers is a good practice that will enhance logging capabilities.
Key strengths:
- Environment-aware IP format configuration
- Separate handlers for success and error responses
- Integration with a custom logger for centralized logging
- Clear and concise code structure
The minor suggestions provided in the review comments can further enhance the code's readability and maintainability. Great job on setting up this logging configuration!
4-7: 🛠️ Refactor suggestionVerify identical success and error response formats.
The
successResponseFormatanderrorResponseFormatare currently identical. If this is intentional, consider combining them into a single variable for better maintainability. If not, you might want to differentiate them.const responseFormat = `${getIpFormat()} :method :url :status - :response-time ms`This change would simplify the code and make future modifications easier.
src/app.ts (3)
22-22: LGTM! Verify the implementation of errorHandler.The addition of a specific error handler for morgan is a good practice for more granular logging control, especially for distinguishing between successful and error responses.
Let's verify the implementation of the errorHandler:
#!/bin/bash # Description: Verify the implementation of morgan.errorHandler # Search for the errorHandler definition ast-grep --lang typescript --pattern $'const errorHandler = $_' # If not found, search for export of errorHandler ast-grep --lang typescript --pattern $'export const errorHandler = $_'
21-21: LGTM! Verify the implementation of successHandler.The addition of a specific success handler for morgan is a good practice for more granular logging control.
Let's verify the implementation of the successHandler:
#!/bin/bash # Description: Verify the implementation of morgan.successHandler # Search for the successHandler definition ast-grep --lang typescript --pattern $'const successHandler = $_' # If not found, search for export of successHandler ast-grep --lang typescript --pattern $'export const successHandler = $_'
12-12: LGTM! Verify the new morgan configuration file.The change to import morgan from a custom configuration file is a good practice for centralizing and customizing logging setup.
Let's verify the existence and content of the new configuration file:
✅ Verification successful
Morgan configuration verified successfully
The custom morgan configuration file exists at
src/config/morgan.tsand correctly exports bothsuccessHandleranderrorHandler.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the existence and content of the new morgan configuration file. # Test 1: Check if the file exists if [ -f "./src/config/morgan.ts" ]; then echo "morgan configuration file exists." # Test 2: Check the content of the file cat "./src/config/morgan.ts" else echo "Error: morgan configuration file not found at ./src/config/morgan.ts" fiLength of output: 544
Script:
#!/bin/bash # Description: Verify the existence and content of the new morgan configuration file. # Test 1: Check if the file exists if [ -f "./src/config/morgan.ts" ]; then echo "morgan configuration file exists." # Test 2: Display the content of the file cat "./src/config/morgan.ts" else echo "Error: morgan configuration file not found at ./src/config/morgan.ts" exit 1 fi # Additional Verification: Use ast-grep to find the successHandler export ast-grep --lang typescript --pattern 'export const successHandler = $_' ./src/config/morgan.tsLength of output: 951
Script:
#!/bin/bash # Description: Verify the default export of successHandler and errorHandler in morgan configuration. # Check if the file exists if [ -f "./src/config/morgan.ts" ]; then echo "morgan configuration file exists." # Display the content of the file cat "./src/config/morgan.ts" else echo "Error: morgan configuration file not found at ./src/config/morgan.ts" exit 1 fi # Use ast-grep to verify the default export of successHandler and errorHandler ast-grep --lang typescript --pattern 'export default { successHandler, errorHandler }' ./src/config/morgan.tsLength of output: 1038
Summary by CodeRabbit
New Features
Bug Fixes
Documentation