In react-typescript app, do you validate the data after a fetch/axios call to a RESTapi and if yes which library you use?

• zod

  287 30,174 9.1 TypeScript

  TypeScript-first schema validation with static type inference

Having said that: I prefer, and really love, zod. It's a high-quality library (there's some "clones" that may be slightly faster, but the code quality is very low). It's intuitive and easy to use. Relatively lightweight. It's schema-first, though: meaning, you define the schema in zod, and it infers your types from the schema. So if you want to generate schemas from types, then you'll need to look elsewhere.

• tiny-schema-validator

  6 179 4.4 TypeScript

  JSON schema validator

Take a look at tiny-schema-validator . Totally not sponsered

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• ajv

  60 13,353 6.0 TypeScript

  The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)

  

You then turn that spec into runtime validators. For example, AJV- (JSON Schema validator)

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