
Haensol contributed to the typescript-eslint/typescript-eslint and TanStack/query repositories, focusing on improving reliability and compatibility in the ESLint plugin ecosystem. In typescript-eslint, Haensol enhanced the no-floating-promises rule by updating allowForKnownSafeCalls to support both function-name and type-based matching, addressing gaps in safe call recognition and improving code safety checks. For TanStack/query, Haensol implemented TypeScript optional peer dependency support in eslint-plugin-query, updating package management files to ensure compatibility for projects regardless of TypeScript usage. Throughout both projects, Haensol applied skills in JavaScript, TypeScript, and dependency management, delivering targeted solutions that improved developer experience and cross-repo integration.
January 2026 monthly summary for TanStack/query focusing on dependency hygiene and compatibility improvements. Delivered TypeScript Optional Peer Dependency Support in eslint-plugin-query to widen adoption among projects that may not use TypeScript, while preserving compatibility for TypeScript users across the ecosystem.
January 2026 monthly summary for TanStack/query focusing on dependency hygiene and compatibility improvements. Delivered TypeScript Optional Peer Dependency Support in eslint-plugin-query to widen adoption among projects that may not use TypeScript, while preserving compatibility for TypeScript users across the ecosystem.
September 2025 monthly summary for the typescript-eslint/typescript-eslint repo. Focused on correctness, reliability, and developer experience in the ESLint plugin ecosystem. The major delivery this month was a targeted bug fix for the ESLint rule no-floating-promises, ensuring allowForKnownSafeCalls properly accounts for function-name matching in addition to type-based matching, resolving gaps where certain function names were not recognized as safe calls.
September 2025 monthly summary for the typescript-eslint/typescript-eslint repo. Focused on correctness, reliability, and developer experience in the ESLint plugin ecosystem. The major delivery this month was a targeted bug fix for the ESLint rule no-floating-promises, ensuring allowForKnownSafeCalls properly accounts for function-name matching in addition to type-based matching, resolving gaps where certain function names were not recognized as safe calls.

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