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Top 9 typed javascript tools for developer in 2023.

See details of features and pricing of typed javascript developer tools. We're comparing best apps, libraries or tools for typed javascript such as typescriptlang, ReScript, Reasonml, tRPC, graphql.org, Zod, Purescript, Flow, ts-node to help you find your next typed javascript tool. .

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πŸ€™πŸ½ Skip to product:

  1. typescriptlang
  2. ReScript
  3. Reasonml
  4. tRPC
  5. graphql.org
  6. Zod
  7. Purescript
  8. Flow
  9. ts-node

1. typescriptlang

logo typescriptlang

typescriptlang

TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code.


πŸ›  typescriptlang's Features

What can developer do with typescriptlang

JavaScript and More

TypeScript adds additional syntax to JavaScript to support a tighter integration with your editor. Catch errors early in your editor.

A Result You Can Trust

TypeScript code converts to JavaScript, which runs anywhere JavaScript runs: In a browser, on Node.js or Deno and in your apps.

Safety at Scale

TypeScript understands JavaScript and uses type inference to give you great tooling without additional code.


2. ReScript

logo ReScript

ReScript

Fast, Simple, Fully Typed JavaScript from the Future


πŸ›  ReScript's Features

What can developer do with ReScript

The fastest build system on the web

ReScript cares about a consistent and fast feedback loop for any codebase size. Refactor code, pull complex changes, or switch to feature branches as you please. No sluggish CI builds, stale caches, wrong type hints, or memory hungry language servers that slow you down.

Type Better

Every ReScript app is fully typed and provides reliable type information for any given value in your program. We prioritize simpler types over complex types for the sake of clarity and easy debugability. No any, no magic types, no surprise undefined.

The familiar JS ecosystem at your fingertips

Use any library from JavaScript, export ReScript libraries to JavaScript, automatically generate TypeScript types. It's like you've never left the good parts of JavaScript at all.


3. Reasonml

logo Reasonml

Reasonml

Reason lets you write simple, fast and quality type safe code while leveraging both the JavaScript & OCaml ecosystems.


πŸ›  Reasonml's Features

What can developer do with Reasonml

Types without hassle

Powerful, safe type inference means you rarely have to annotate types, but everything gets checked for you.

Use the power of the OCaml ecosystem

Get access to the powerful systems programming language OCaml with an easier to learn syntax. Use js_of_ocaml to compile to JavaScript!


4. tRPC

logo tRPC

tRPC

End-to-end typesafe APIs made easy. Automatic typesafety & autocompletion inferred from your API-paths, their input data, & outputs πŸ§™β€β™‚οΈ


πŸ›  tRPC's Features

What can developer do with tRPC

Automatic typesafety

Made a server side change? TypeScript will warn you of errors on your client before you even save the file!

Snappy DX

tRPC has no build or compile steps, meaning no code generation, runtime bloat or build pipeline.

Framework agnostic

Compatible with all JavaScript frameworks and runtimes. It's easy to add to your existing projects.

Autocompletion

Using tRPC is like using a SDK for your API's server code giving you confidence in your endpoints.

Light bundle size

tRPC has zero dependencies and a tiny client-side footprint making it lightweight.

Batteries included

We provide adapters for React, Next.js, Express, Fastify, Lambda.


5. graphql.org

logo graphql.org

graphql.org

A query language for your API β€” GraphQL provides a complete description of the data in your API, gives clients the power to ask for exactly what they need and nothing more, makes it easier to evolve APIs over time, and enables powerful developer tools.


πŸ›  graphql.org's Features

What can developer do with graphql.org

Ask for what you need, get exactly that

Send a GraphQL query to your API and get exactly what you need, nothing more and nothing less. GraphQL queries always return predictable results. Apps using GraphQL are fast and stable because they control the data they get, not the server.

Get many resources in a single request

GraphQL queries access not just the properties of one resource but also smoothly follow references between them. While typical REST APIs require loading from multiple URLs, GraphQL APIs get all the data your app needs in a single request. Apps using GraphQL can be quick even on slow mobile network connections.

Describe what’s possible with a type system

GraphQL APIs are organized in terms of types and fields, not endpoints. Access the full capabilities of your data from a single endpoint. GraphQL uses types to ensure Apps only ask for what’s possible and provide clear and helpful errors. Apps can use types to avoid writing manual parsing code.


6. Zod

logo Zod

Zod

TypeScript-first schema validation with static type inference



7. Purescript

logo Purescript

Purescript

A strongly-typed functional programming language that compiles to JavaScript


πŸ›  Purescript's Features

What can developer do with Purescript

Compile to readable JavaScript and reuse existing JavaScript code easily

An extensive collection of libraries for development of web applications, web servers, apps and more

Excellent tooling and editor support with instant rebuilds

An active community with many learning resources

Build real-world applications using functional techniques and expressive types, such as:

  • Algebraic data types and pattern matching
  • Row polymorphism and extensible records
  • Higher kinded types
  • Type classes with functional dependencies
  • Higher-rank polymorphism

πŸ’° Purescript's Pricing

How much does Purescript cost?

Open source and free

8. Flow

logo Flow

Flow

Flow is a static type checker for Javascript.


πŸ›  Flow's Features

What can developer do with Flow

CODE FASTER.

Tired of having to run your code to find bugs? Flow identifies problems as you code. Stop wasting your time guessing and checking.

CODE SMARTER.

It's hard to build smart tools for dynamic languages like JavaScript. Flow understands your code and makes its knowledge available, enabling other smart tools to be built on top of Flow.

CODE CONFIDENTLY.

Making major changes to large codebases can be scary. Flow helps you refactor safely, so you can focus on the changes you want to make, and stop worrying about what you might break.

CODE BIGGER.

Working in a codebase with lots of developers can make it difficult to keep your master branch working. Flow can help prevent bad rebases. Flow can help protect your carefully designed library from misuse and misinterpretation. And Flow can help you understand the code you wrote six months ago.

REALTIME FEEDBACK

Flow gives you fast feedback while you code by incrementally rechecking your code as you make changes.

EASY INTEGRATION

Flow integrates well with many tools, making it easy to insert into your existing workflow and toolchain.


πŸ’° Flow's Pricing

How much does Flow cost?

Open source and free

9. ts-node

logo ts-node

ts-node

TypeScript execution and REPL for node.js


πŸ›  ts-node's Features

What can developer do with ts-node

  • Automatic sourcemaps in stack traces
  • Automatic tsconfig.json parsing
  • Automatic defaults to match your node version
  • Typechecking (optional)
  • REPL
  • Write standalone scripts
  • Native ESM loader
  • Use third-party transpilers
  • Use custom transformers
  • Integrate with test runners, debuggers, and CLI tools
  • Compatible with pre-compilation for production

πŸ’° ts-node's Pricing

How much does ts-node cost?

Open source and free

πŸ‘‹πŸ½ About typed javascript

Typed JavaScript is a form of static type checking that can be used to improve the quality of your code. By adding type annotations to your code, you can catch common errors early and prevent them from happening. Additionally, typed JavaScript can make your code more readable and easier to understand.

πŸ‘‹πŸ½ What is this page?

"What is the best typed javascript tool for developer? " Hope this page answering your question. This is a comparison page of recommended typed javascript coding tools, for developer by developer. Find your next top typed javascript alternative programming tools here. We list features and pricing with hope this resources can help you decide which typed javascript tools you need and best for your next project.

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