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Runtypes Alternatives
Similar projects and alternatives to runtypes
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SurveyJS
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typescript-eslint
:sparkles: Monorepo for all the tooling which enables ESLint to support TypeScript
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InfluxDB
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ajv
The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
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typescript-runtime-type-benchmarks
📊 Benchmark Comparison of Packages with Runtime Validation and TypeScript Support
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typegraphql-prisma
Prisma generator to emit TypeGraphQL types and CRUD resolvers from your Prisma schema
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better runtypes alternative or higher similarity.
runtypes discussion
runtypes reviews and mentions
Posts with mentions or reviews of runtypes.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-02-21.
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JavaScript schema library from the Future 🧬
One of the most basic applications of ReScript Schema is parsing - Accepting unknown JavaScript data, validating it, and returning the result of your desired type. There are dozens of such libraries, and the most popular ones are Zod, Valibot, Runtypes, Arktype, Typia, Superstruct, Effect Schema, and more. Also, even though this is slightly different, validation libraries like Ajv, Yup, and others also stand really close.
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When should I use runtime checks (and which runtime checker should I use)?
In terms of which runtime checker I should use. The first tutorial I saw suggested 'Zod', doing a bit more searchign yielded other options such as 'runtypes'.
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An almost religious case for Rust
Runtypes would probably be a better example.
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'The best thing we can do today to JavaScript is to retire it’ Douglas Crockford
this has been solved by several packages, runtypes https://github.com/pelotom/runtypes being my favorite
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How to force a type when importing a JSON file?
I personally like https://github.com/pelotom/runtypes because it bundles your Schema Info and the corresponding Typescript types
- Why doesn’t TypeScript natively do any type checking
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Create d.ts for API response
When I have to deal with data from API calls, I usually use a runtime typing library like Runtypes or Zod to check the responses at the boundary. These libraries can automatically give you TS types (using their static or infer utilities) to use throughout the rest of the project.
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Typing for JSON Payloads
Also runtypes and (as mentioned below) zod.
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How to check that an 'unknown' object has a specific key and that the key is a specific type?
Seconding the recommendation to use a library for this. runtypes and io-ts are two other alternatives.
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Check types at the top level or in each function?
I wouldn't reinvent the wheel: https://github.com/pelotom/runtypes
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A note from our sponsor - InfluxDB
www.influxdata.com | 18 May 2025
Stats
Basic runtypes repo stats
23
2,651
9.1
5 days ago
runtypes/runtypes is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of runtypes is TypeScript.
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