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WalkthroughThe pull request introduces a currency conversion plugin for Flatfile, including comprehensive documentation, unit tests, and configuration files for Jest and Rollup. The plugin leverages the Open Exchange Rates API for real-time and historical currency conversion. Key components include validation functions, error handling, and integration with Flatfile listeners. The changes also enhance the FlatfileListener by adding the currency conversion functionality and a new workbook structure. Changes
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Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (12)
convert/currency/jest.config.js (3)
12-12: Consider reducing the test timeout or separating long-running tests.The
testTimeoutis set to 60 seconds, which is quite long for unit tests. While this may be necessary for integration tests or tests involving network requests, it could mask performance issues in unit tests.Consider the following suggestions:
- Reduce the timeout for quick unit tests.
- Separate long-running tests into a different test suite with its own configuration.
- Use Jest's
test.setTimeout()for specific long-running tests instead of a global setting.Example of using
test.setTimeout()for a specific test:test('long running test', async () => { jest.setTimeout(60000); // Set timeout for this test only // Test code here });
14-14: Reconsider usingforceExit: true.While
forceExit: trueensures Jest exits after tests complete, it might mask issues with asynchronous operations not being properly closed. This could lead to difficulty in identifying and fixing resource leaks or unclosed handles.Consider the following alternatives:
- Remove this setting and ensure all asynchronous operations are properly closed in your tests.
- Use
--detectOpenHandlesflag with Jest to identify which handles are keeping the process open.- If
forceExitis necessary, add a comment explaining why it's needed for this specific project.Example of using
--detectOpenHandles:"scripts": { "test": "jest --detectOpenHandles" }
15-15: Reconsider usingpassWithNoTests: true.While
passWithNoTests: truecan be useful during initial setup or active test development, it might mask issues where tests are accidentally skipped or not detected. This could lead to false positives in your CI/CD pipeline.Consider the following alternatives:
- Remove this setting once you have a stable set of tests.
- Use this setting only in specific environments or scripts where it's necessary.
- If this setting is required, add a comment explaining why it's needed for this specific project.
Example of using this setting only in a specific script:
"scripts": { "test:init": "jest --passWithNoTests" }flatfilers/sandbox/src/index.ts (2)
9-18: LGTM: Currency converter plugin is well-configuredThe
currencyConverterPluginis correctly configured with appropriate options. The field mappings align with the fields defined in the space configuration, and the source (USD) and target (EUR) currencies are clearly specified.Consider making the source and target currencies configurable through environment variables or a configuration file. This would allow for easier currency changes without modifying the code.
Example:
currencyConverterPlugin({ // ... other options sourceCurrency: process.env.SOURCE_CURRENCY || 'USD', targetCurrency: process.env.TARGET_CURRENCY || 'EUR', // ... })
19-50: LGTM: Space configuration is well-structuredThe
configureSpaceplugin is correctly used to define the workbook and sheet structure. The configuration aligns well with the currency converter plugin setup, using matching field names and appropriate data types.Consider adding validation rules to the field definitions to ensure data integrity. For example:
{ key: 'amount', type: 'number', label: 'Amount', validators: [ { validate: 'required' }, { validate: 'min', value: 0 } ] }This would ensure that the amount is always provided and is non-negative.
convert/currency/src/convert.currency.plugin.spec.ts (5)
19-32: LGTM with a suggestion: validateDate test suite is well-structured.The test suite for validateDate covers the main scenarios including valid input, empty input (defaulting to today's date), and invalid date format. However, there's a potential for improvement:
Consider mocking the current date in the test for empty input to avoid potential issues if the test runs close to midnight. This will make the test more deterministic. For example:
it('should return today\'s date if no date is provided', () => { const mockToday = '2023-05-15'; jest.spyOn(global.Date, 'now').mockImplementation(() => new Date(mockToday).valueOf()); expect(validateDate('')).toEqual({ value: mockToday }); });Don't forget to restore the original Date.now after the test.
34-39: LGTM with suggestions: convertCurrency test suite is good but could be more comprehensive.The test suite for convertCurrency correctly uses toBeCloseTo for floating-point comparisons and covers basic functionality. However, there's room for improvement:
Consider adding more test cases to cover edge cases and potential error scenarios:
- Test with very large numbers to check for potential overflow issues.
- Test with very small numbers to check for potential underflow or precision issues.
- Test with negative numbers if the function should support them.
- Test with zero as the amount or exchange rate to ensure proper handling.
For example:
it('should handle edge cases correctly', () => { expect(convertCurrency(1000000000, 1, 0.5)).toBeCloseTo(500000000, 4); expect(convertCurrency(0.000001, 1, 2)).toBeCloseTo(0.000002, 9); expect(convertCurrency(-100, 1, 0.5)).toBeCloseTo(-50, 4); expect(convertCurrency(100, 1, 0)).toBe(0); });
41-46: LGTM with suggestions: calculateExchangeRate test suite is good but could be expanded.The test suite for calculateExchangeRate correctly uses toBeCloseTo for floating-point comparisons and covers basic functionality. However, there's room for improvement:
Consider adding more test cases to cover a wider range of scenarios:
- Test with exchange rates that are very close to 1 to check precision.
- Test with very large and very small exchange rates.
- Test with the same currency (both rates equal to 1).
For example:
it('should handle various exchange rate scenarios', () => { expect(calculateExchangeRate(1, 0.99999)).toBeCloseTo(0.99999, 6); expect(calculateExchangeRate(1000, 0.001)).toBeCloseTo(0.000001, 9); expect(calculateExchangeRate(1, 1)).toBe(1); });
48-111: LGTM with suggestions: fetchExchangeRates test suite is well-structured and comprehensive.The test suite for fetchExchangeRates effectively uses mocking to simulate API responses and covers the main scenarios including fetching latest rates, historical rates, and handling API errors. The error handling test is particularly good practice. However, there's room for some enhancements:
Consider adding more error scenarios to ensure robust error handling:
- Test with a network error (e.g., timeout or connection failure).
- Test with an invalid API response format.
- Test with missing required fields in the API response.
For example:
it('should handle network errors', async () => { (fetch as jest.MockedFunction<typeof fetch>).mockRejectedValue(new Error('Network error')); await expect(fetchExchangeRates(mockApiKey, mockSourceCurrency, mockTargetCurrency)) .rejects.toThrow('Network error'); }); it('should handle invalid API response format', async () => { const mockResponse = { ok: true, json: jest.fn().mockResolvedValue({ invalid: 'response' }), }; (fetch as jest.MockedFunction<typeof fetch>).mockResolvedValue(mockResponse as any); await expect(fetchExchangeRates(mockApiKey, mockSourceCurrency, mockTargetCurrency)) .rejects.toThrow('Invalid API response format'); });Also, consider testing with different combinations of source and target currencies to ensure the function handles various currency pairs correctly.
49-49: Consider using a more secure approach for the API key in tests.While using a hardcoded API key ('test-api-key') in unit tests is common, especially when mocking API calls, it's worth considering a more secure approach:
- Use a clearly fake API key in tests (e.g., 'TEST_API_KEY_FOR_MOCKING') to make it obvious that it's not a real key.
- Alternatively, you could use an environment variable as suggested in the past comments, which would align the test setup more closely with production practices:
const mockApiKey = process.env.TEST_API_KEY || 'TEST_API_KEY_FOR_MOCKING';This approach allows for flexibility in different test environments while maintaining security.
convert/currency/README.MD (2)
22-46: Adjust heading levels for consistencyThe Parameters section provides comprehensive information about each configuration option. However, the individual parameter headings are currently using h4 (####) instead of h3 (###). This inconsistency should be addressed to improve the document structure.
Please update the heading levels for all parameters. Here's an example of how to fix the first parameter:
-#### `sheetSlug` - `string` - (required) +### `sheetSlug` - `string` - (required)Apply this change to all parameter headings in this section.
🧰 Tools
🪛 Markdownlint
24-24: Expected: h3; Actual: h4
Heading levels should only increment by one level at a time(MD001, heading-increment)
48-83: Replace emphasis with proper headingsThe Usage section provides valuable information for setting up and using the plugin. However, some subsections are using emphasis (bold) instead of proper headings. This should be adjusted for better document structure and consistency.
Please replace the emphasized text with appropriate headings. Here's how to fix the affected lines:
-**Environment Variables** +### Environment Variables -**install** +### Installation -**import** +### Import -**listener.js** +### Listener ConfigurationThese changes will improve the document's structure and make it easier to navigate.
🧰 Tools
🪛 Markdownlint
50-50: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
56-56: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
61-61: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
67-67: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
📜 Review details
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Review profile: CHILL
⛔ Files ignored due to path filters (3)
convert/currency/metadata.jsonis excluded by!**/*.jsonconvert/currency/package.jsonis excluded by!**/*.jsonpackage-lock.jsonis excluded by!**/package-lock.json,!**/*.json
📒 Files selected for processing (7)
- convert/currency/README.MD (1 hunks)
- convert/currency/jest.config.js (1 hunks)
- convert/currency/rollup.config.mjs (1 hunks)
- convert/currency/src/convert.currency.plugin.spec.ts (1 hunks)
- convert/currency/src/convert.currency.plugin.ts (1 hunks)
- convert/currency/src/index.ts (1 hunks)
- flatfilers/sandbox/src/index.ts (1 hunks)
✅ Files skipped from review due to trivial changes (2)
- convert/currency/rollup.config.mjs
- convert/currency/src/index.ts
🧰 Additional context used
🪛 Markdownlint
convert/currency/README.MD
24-24: Expected: h3; Actual: h4
Heading levels should only increment by one level at a time(MD001, heading-increment)
50-50: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
56-56: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
61-61: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
67-67: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
🪛 Biome
convert/currency/src/convert.currency.plugin.ts
[error] 37-37: isNaN is unsafe. It attempts a type coercion. Use Number.isNaN instead.
See the MDN documentation for more details.
Unsafe fix: Use Number.isNaN instead.(lint/suspicious/noGlobalIsNan)
🔇 Additional comments (16)
convert/currency/jest.config.js (6)
2-2: LGTM: Appropriate test environment set.The
testEnvironmentis correctly set to 'node', which is suitable for a Node.js project. This ensures that tests run in a Node.js environment, which is appropriate for server-side JavaScript code.
4-6: LGTM: Correct TypeScript transformation setup.The
transformsetting is properly configured to use 'ts-jest' for TypeScript files. This ensures that both .ts and .tsx files are correctly transformed before running tests, which is essential for TypeScript projects.
1-16: Overall, a solid Jest configuration with some areas for potential improvement.This Jest configuration file provides a good foundation for testing the currency conversion plugin. It correctly sets up the Node.js environment, handles TypeScript transformation, and includes necessary setup files. However, consider the following suggestions for improvement:
- Reevaluate the long
testTimeoutof 60 seconds, possibly separating long-running tests.- Reconsider the use of
forceExit: true, as it might mask issues with unclosed handles.- Review the necessity of
passWithNoTests: trueonce you have a stable set of tests.These adjustments could lead to more robust and efficient testing as your project matures. Don't forget to verify the existence and contents of the referenced setup files as suggested in the previous comments.
8-11: LGTM: Appropriate test setup and cleanup files included.The
setupFilesAfterEnvarray includes files for enhancing console output and handling test cleanup, which are good practices for maintaining a clean test environment and improving test debugging.Verify the existence and contents of the setup files:
#!/bin/bash # Description: Verify the existence and contents of the setup files. # Test: Check if the files exist and display their contents for file in "test/betterConsoleLog.js" "test/unit.cleanup.js"; do if [ -f "$file" ]; then echo "File $file exists. Contents:" cat "$file" echo "----------------------" else echo "File $file does not exist." fi done
13-13: LGTM: Global setup file included.The
globalSetupcorrectly points to a setup file that will run once before all tests. This is good practice for performing one-time setup operations needed across all tests.Verify the existence and contents of the global setup file:
#!/bin/bash # Description: Verify the existence and contents of the global setup file. # Test: Check if the file exists and display its contents if [ -f "test/setup-global.js" ]; then echo "File exists. Contents:" cat "test/setup-global.js" else echo "File does not exist." fi
7-7: LGTM: Environment setup file included.The
setupFilesarray correctly includes a dotenv configuration file, which is good practice for managing environment variables in tests.Verify the existence and contents of the dotenv configuration file:
✅ Verification successful
Verified:
setupFilesis correctly configured.The
setupFilesarray includes the existingdotenv-config.js, ensuring environment variables are properly loaded during tests.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the existence and contents of the dotenv configuration file. # Test: Check if the file exists and display its contents if [ -f "test/dotenv-config.js" ]; then echo "File exists. Contents:" cat "test/dotenv-config.js" else echo "File does not exist." fiLength of output: 454
Script:
#!/bin/bash # Description: Verify the existence and contents of the dotenv configuration file. # Test: Check if the file exists and display its contents if [ -f "test/dotenv-config.js" ]; then echo "File exists. Contents:" cat "test/dotenv-config.js" else echo "File does not exist." fiLength of output: 325
flatfilers/sandbox/src/index.ts (2)
1-4: LGTM: Imports are correctly addedThe new imports for
currencyConverterPluginandconfigureSpaceare correctly added and align with the new functionality introduced in the file. The import statements follow the correct syntax and naming conventions.
6-8: LGTM: Default export function structure is maintainedThe default export function structure is correctly maintained. The new plugin usages are added appropriately using the
listener.use()method, preserving the async nature of the function.convert/currency/src/convert.currency.plugin.spec.ts (3)
1-4: LGTM: Imports and mock setup are appropriate.The import statements correctly bring in the necessary functions for testing, and mocking 'cross-fetch' is a good practice for isolating tests from actual network calls.
6-17: LGTM: validateAmount test suite is comprehensive.The test suite for validateAmount covers both valid and invalid inputs, including edge cases like empty strings and non-numeric inputs. The expectations are clear and align with the expected behavior of the function.
1-112: Overall, excellent test coverage with room for minor enhancements.This test file provides comprehensive coverage for the currency converter plugin's main functions. The use of Jest features and mocking techniques is appropriate and effective. The test cases cover the primary scenarios for each function, including error handling.
While the current tests are solid, consider implementing the suggested enhancements to cover more edge cases and error scenarios. This will further improve the robustness of your test suite and potentially catch subtle bugs.
Great job on prioritizing thorough testing for this plugin!
convert/currency/README.MD (4)
1-11: LGTM: Clear and informative introductionThe introductory section provides a concise overview of the plugin, its purpose, and key technical details. The inclusion of the event type and supported field types is particularly helpful for developers.
13-20: LGTM: Comprehensive feature listThe Features section effectively communicates the plugin's capabilities, highlighting its flexibility and robustness. This information is valuable for potential users to understand the plugin's functionality at a glance.
85-131: LGTM: Excellent example and explanationThe Example section provides a clear and comprehensive demonstration of how to use the plugin. The included code snippet, along with the step-by-step explanation of the plugin's workflow, offers valuable guidance for developers implementing this solution. The note about the Open Exchange Rates API subscription is an important detail to include.
1-131: Overall: Excellent documentation with minor structural improvements neededThis README provides comprehensive and well-organized documentation for the @flatfile/plugin-convert-currency plugin. It effectively covers all necessary aspects including features, parameters, usage instructions, and a detailed example.
To further improve the document:
- Adjust the heading levels in the Parameters section to use h3 (###) instead of h4 (####) for consistency.
- Replace emphasized text with proper headings in the Usage section for better structure.
These minor adjustments will enhance the document's structure and readability, making it even more valuable for developers using this plugin.
Great job on creating such informative and user-friendly documentation!
🧰 Tools
🪛 Markdownlint
24-24: Expected: h3; Actual: h4
Heading levels should only increment by one level at a time(MD001, heading-increment)
50-50: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
56-56: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
61-61: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
67-67: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
convert/currency/src/convert.currency.plugin.ts (1)
74-74: Potential SSRF vulnerability due to unvalidated user input in URL constructionThe
fetchfunction usesfullUrl, which includes user-controlled inputs (sourceCurrency,targetCurrency). Without proper validation, this can lead to SSRF attacks.
|
|
||
| const queryString = new URLSearchParams(params).toString() | ||
| const fullUrl = `${apiUrl}?${queryString}` | ||
| console.log(`Fetching exchange rates from ${fullUrl}`) |
There was a problem hiding this comment.
Avoid logging sensitive information to prevent API key leakage
Logging fullUrl includes the API key in the logs, which poses a security risk. Unauthorized access to logs could compromise the API key. Consider removing or sanitizing this log statement.
Apply this diff to fix the issue:
- console.log(`Fetching exchange rates from ${fullUrl}`)
+ console.log('Fetching exchange rates')📝 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.
| console.log(`Fetching exchange rates from ${fullUrl}`) | |
| console.log('Fetching exchange rates') |
| if (!amount) { | ||
| return { error: 'Amount is required' } | ||
| } | ||
| if (isNaN(amount)) { |
There was a problem hiding this comment.
Use Number.isNaN instead of isNaN to prevent unsafe type coercion
The use of isNaN(amount) can lead to unexpected results due to implicit type coercion. It's safer to convert amount to a number and then use Number.isNaN().
Apply this diff to fix the issue:
- if (isNaN(amount)) {
+ if (Number.isNaN(Number(amount))) {📝 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.
| if (isNaN(amount)) { | |
| if (Number.isNaN(Number(amount))) { |
🧰 Tools
🪛 Biome
[error] 37-37: isNaN is unsafe. It attempts a type coercion. Use Number.isNaN instead.
See the MDN documentation for more details.
Unsafe fix: Use Number.isNaN instead.(lint/suspicious/noGlobalIsNan)
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