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Building a Type-Safe API Client in TypeScript: Beyond Axios vs Fetch

  • Choosing between Axios and Fetch is just the beginning when building an API client.
  • Problems arise as projects grow, APIs change, and errors become common without proper handling.
  • Creating a type-safe API client in TypeScript ensures better productivity and easier maintenance.
  • Defining types and interfaces upfront helps in aligning API responses and improving error handling.
  • Building a base API client class in TypeScript with Axios simplifies handling headers, error interceptors, and timeouts.
  • Organizing API calls into services enhances code readability and maintainability.
  • Utilizing a factory pattern to create the API client instance streamlines the usage across components.
  • Runtime validation and auto-generation techniques like Zod schemas and OpenAPI tools ensure type safety and efficiency.
  • Handling loading states with AbortController prevents duplicate requests and improves user experience.
  • Choosing the right approach based on project size and complexity is crucial for efficient API development.

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