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@tmilewski tmilewski commented Jul 28, 2025

Description

Adds the ability to convert bodyParam keys recursively by adding options.deepSnakecaseBodyParamKeys.

I didn't default to deep: true to ensure that there weren't any regressions.

USER-2475

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

Summary by CodeRabbit

  • Bug Fixes

    • Resolved an issue where SAML Connection attribute mapping keys were not properly converted to snake_case, ensuring correct formatting in API requests.
  • Tests

    • Added and improved tests for creating and updating SAML Connections, including validation of request payloads and response handling.
  • Refactor

    • Enhanced request handling to support deep snake_case conversion of body parameters, improving consistency in API communication.

@tmilewski tmilewski self-assigned this Jul 28, 2025
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🦋 Changeset detected

Latest commit: 5c3bb73

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 11 packages
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📝 Walkthrough

Walkthrough

The changes introduce a patch to the @clerk/backend package to ensure that the attributeMapping keys in SAML Connection API requests are converted from camelCase to snake_case. This is achieved by modifying the createSamlConnection and updateSamlConnection methods to pass an option that triggers deep snakecasing of body parameter keys. The request-building logic and its type definitions are updated to support a new deepSnakecaseBodyParamKeys flag. Additional tests are added and updated to verify correct request payload formatting and response handling for SAML connection creation and update operations.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~15 minutes

Assessment against linked issues

Objective Addressed Explanation
Ensure attributeMapping keys in SAMLConnectionAPI are coerced into the correct snake_case format (USER-2475)

Assessment against linked issues: Out-of-scope changes

No out-of-scope changes were found.

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Actionable comments posted: 0

🧹 Nitpick comments (1)
packages/backend/src/api/request.ts (1)

153-154: Correct implementation of conditional deep snakecasing.

The formatKeys function now properly uses the deep option from the snakecase-keys library based on the deepSnakecaseBodyParamKeys flag. This enables the recursive key conversion needed for nested objects like attributeMapping.

Consider adding a performance note in the JSDoc comment about the potential impact of deep snakecasing on large nested objects:

/**
 * If true, snakecases the keys of the bodyParams object recursively.
+ * Note: Deep snakecasing may have performance implications for large nested objects.
 * @default false
 */
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  • packages/backend/src/api/endpoints/SamlConnectionApi.ts (2 hunks)
  • packages/backend/src/api/request.ts (3 hunks)
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🔇 Additional comments (8)
.changeset/silver-singers-train.md (1)

5-5: LGTM! Clear and accurate changeset description.

The changeset properly documents the patch to fix SAML Connection attributeMapping keys conversion from camelCase to snake_case.

packages/backend/src/api/endpoints/SamlConnectionApi.ts (2)

85-87: LGTM! Consistent implementation of deep snakecasing for create operation.

The addition of deepSnakecaseBodyParamKeys: true ensures that nested keys like attributeMapping are properly converted to snake_case format as intended by the fix.


106-108: LGTM! Consistent implementation of deep snakecasing for update operation.

The change mirrors the create operation, ensuring consistent behavior for all SAML connection modifications.

Since SAML connections are security-sensitive and this change affects how authentication attribute mappings are formatted, please verify that existing SAML connections continue to work correctly after this change. The security team should also review this change.

@clerk/security - Please review this change as it affects SAML authentication attribute mapping formatting.

packages/backend/src/api/__tests__/SamlConnectionApi.test.ts (3)

13-37: Good refactoring with reusable mock data.

The shared mock response object improves test maintainability and consistency across test cases.


77-118: Excellent test coverage for createSamlConnection.

The test properly validates the core functionality:

  • Input attributeMapping in camelCase is converted to attribute_mapping in snake_case in the request body
  • Response is correctly deserialized back to camelCase format
  • All expected fields are properly validated

120-186: Comprehensive test coverage for updateSamlConnection.

The test validates both the deep snakecasing functionality and proper handling of all SAML connection parameters. The test correctly verifies that:

  • Input parameters in camelCase are converted to snake_case in the request
  • Response deserialization works correctly
  • All SAML connection fields are properly handled
packages/backend/src/api/request.ts (2)

11-45: Excellent type refactoring with proper type safety.

The intersection types provide better structure and type safety:

  • Separates URL/path specification logic
  • Properly constrains the deepSnakecaseBodyParamKeys option to only be available when bodyParams is provided
  • Maintains backward compatibility while adding the new functionality

100-101: Clean extraction of the deep snakecasing option.

The destructuring properly extracts the option with a sensible default, maintaining backward compatibility.

Comment on lines +106 to +108
options: {
deepSnakecaseBodyParamKeys: true,
},
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Nice. I might use this new options param to override adding of secret key to the Authorization header for #6229

@tmilewski tmilewski changed the title fix: Ability to convert bodyParam keys recursively fix(backend): Ability to convert bodyParam keys recursively Jul 28, 2025
@tmilewski tmilewski merged commit 232d7d3 into main Jul 28, 2025
38 of 40 checks passed
@tmilewski tmilewski deleted the tm/user-2475-body-key-coercion branch July 28, 2025 21:42
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