Quicktype
quicktype is an open-source tool that generates types and converters from JSON, Schema, TypeScript, and GraphQL data structures. It supports over 30 programming languages and can help reduce boilerplate code when working with JSON APIs.
json
typescript
graphql
code-generation
QuickType: Open-Source JSON Type Generator
QuickType generates types and converters from JSON, Schema, TypeScript, and GraphQL data structures, supporting over 30 programming languages and reducing boilerplate code.
What is Quicktype?
quicktype is an open-source command-line tool and JavaScript library that automatically generates types and converters from JSON, Schema, TypeScript, and GraphQL data structures. It supports over 30 programming languages including TypeScript, C#, Java, Go, Python, C++, Swift, and more.
quicktype can parse JSON samples and infer types in order to produce clean, idiomatic code in the target language. This helps reduce repetition and boilerplate code when working with JSON APIs by creating the models and serializers for you. The goal is to save developers time and eliminate a common source of bugs.
Some key features of quicktype include:
- Supports a wide range of languages for both type declarations and full serialization code
- Infers precise types from JSON samples, including nullability, enums, nested objects, etc.
- Allows customizing generated types through a config file
- Can merge types from multiple JSON samples
- Outputs code with proper formatting and comments
- Has no dependencies so generated code is lightweight
- Can be used via CLI, JavaScript API, or hosted graphical tool
quicktype continues to evolve with new languages and features added regularly. It's useful for integrating JSON-based APIs into any codebase with reduced effort and overhead.
Quicktype Features
Features
- Generates types and converters from JSON, Schema, TypeScript, and GraphQL data structures
- Supports over 30 programming languages
- Reduces boilerplate code when working with JSON APIs
- Provides a command-line interface and a web-based tool
- Generates code for a wide range of languages, including TypeScript, Swift, Java, C#, and more
- Supports custom code generation templates
Pricing
- Open Source
Pros
Saves time and effort by automatically generating boilerplate code
Supports a wide range of programming languages and data formats
Customizable code generation templates
Open-source and free to use
Cons
Limited support for some programming languages or data formats
May require some initial setup and configuration
Might not generate the exact code you want, requiring manual tweaks
Official Links
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