Implemented TypeScript front-end with React Query

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📅 2025-11-21 — Session: Implemented TypeScript front-end with React Query

🕒 05:30–06:40
🏷️ Labels: Typescript, React, API, Error Handling, Frontend
📂 Project: Dev

Session Goal

The goal of this session was to design and implement a TypeScript-based frontend architecture for a document/RAG service API, focusing on type safety, error handling, and caching mechanisms.

Key Activities

  • Designed the frontend API architecture using TypeScript, emphasizing typed responses and error handling.
  • Developed TypeScript type definitions and fetch patterns, including aliasing types and creating re-export files.
  • Implemented typed API wrappers and React Query hooks to manage paper data, ensuring structured API interactions.
  • Fixed TypeScript errors in the usePapers hook, optimizing query keys and ensuring type safety.
  • Debugged frontend and backend failures in a React application, focusing on error handling and diagnostics.
  • Migrated to React Query v5, resolving backend connectivity issues and enhancing API fetching robustness.
  • Integrated React Query with Next.js, providing code examples and troubleshooting tips.
  • Fixed Next.js QueryProvider import error, ensuring correct setup.
  • Improved error handling in React components by rendering readable messages instead of raw error objects.

Achievements

  • Successfully implemented a robust TypeScript frontend architecture with React Query integration.
  • Resolved various TypeScript and React-related errors, improving the overall stability and performance of the application.

Pending Tasks

  • Further testing and validation of the implemented frontend architecture to ensure all edge cases are handled.
  • Continuous monitoring and debugging to maintain optimal performance and error handling.

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