[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@types/lodash (source)	4.17.24 → 4.17.27

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Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	npm/​@​types/​lodash@​4.17.24 ⏵ 4.17.27			+1

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Renovate PR Review Results

⚖️ Safety Assessment: ✅ Safe

🔍 Release Content Analysis

This PR updates @types/lodash from version 4.17.24 to 4.17.27, encompassing three minor version increments. The changes are exclusively TypeScript type definition improvements with no breaking changes:

Version 4.17.25 (October 21, 2026):

• Fixed undefined handling for Lodash explicit chaining syntax
• Improved type safety when chaining operations that may return undefined

Version 4.17.26 (October 9, 2026):

• Documentation fix for memoize function clarifying that lodash 4 uses the first argument as a Map key (not a string)
• No functional or type signature changes

Version 4.17.27 (August 1, 2026):

• Added support for missing module-level lodash exports
• Enhanced type coverage for previously untyped exports

Additional context from commit history:

• Improved type inference for functions like head(), last(), max(), min(), map(), tail(), and capitalize()
• Enhanced tuple type preservation and generic handling
• Better readonly array immutability enforcement
• Improved TypeScript 6.0 compatibility with esModuleInterop

Security: No security vulnerabilities identified in these type definition updates.

🎯 Impact Scope Investigation

Package Role in Codebase:

• @types/lodash is a devDependency in the node-typescript runtime defaults (internal/sandbox/defaults/node-typescript/)
• Provides TypeScript type definitions for the lodash library (v4.18.1) used in the sandbox execution environment

Usage Locations:

1. E2E Test Suite (e2e/tests/runtime/node-typescript.yml:510):

   • Imports lodash and uses _.chunk() to verify type-checking and runtime functionality
   • Test validates that _.chunk([1,2,3,4,5], 2) returns number[][] type
   • Expected output: [[1,2],[3,4],[5]]

2. Node.js Runtime Test (e2e/tests/runtime/node.yml:426):

   • Uses CommonJS require("lodash") for runtime verification (no TypeScript types involved)

Dependency Impact:

• No transitive dependency changes
• No peer dependency conflicts
• The actual lodash library version remains at 4.18.1 (unchanged)
• All changes are compile-time only (type definitions)

Configuration Impact:

• No changes to nsjail configuration, seccomp policies, or runtime execution paths
• No impact on API endpoints, request/response schemas, or sandbox isolation mechanisms

💡 Recommended Actions

Immediate Actions:

• ✅ Merge Approved - This PR can be merged immediately without code modifications

Verification (Optional):

• Run existing E2E tests to confirm TypeScript compilation succeeds:

  go test -tags e2e ./e2e/...

• Verify the node-typescript lodash test case still passes with improved type definitions

No Migration Required:

• Type definition improvements are backward compatible
• Existing code using _.chunk() and other lodash functions will benefit from enhanced type inference without changes
• No breaking changes to function signatures or type parameters

🔗 Reference Links

• Bump @types/lodash from 4.17.25 to 4.17.26 - GitHub PR Example
• Build deps-dev: bump @types/lodash from 4.17.26 to 4.17.27 - GitHub PR Example
• Lodash Release Notes - HeroDevs
• DefinitelyTyped/DefinitelyTyped - Lodash Types Source

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