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Typia

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// RUNTIME VALIDATORS
export function is<T>(input: unknown): input is T; // returns boolean
export function assert<T>(input: unknown): T; // throws TypeGuardError
export function validate<T>(input: unknown): IValidation<T>; // detailed
export const customValidators: CustomValidatorMap; // can add custom validators

// JSON
export function application<T>(): IJsonApplication; // JSON schema
export function assertParse<T>(input: string): T; // type safe parser
export function assertStringify<T>(input: T): string; // safe and faster
    //  ) isParse, validateParse 
    //  ) stringify, isStringify, validateStringify

// MISC
export function random<T>(g?: Partial<IRandomGenerator>): Primitive<T>;

Typia is a transformer library supporting below features:

  • Super-fast Runtime Validators
  • Safe JSON parse and fast stringify functions
  • JSON schema generator
  • Random data generator

Note

  • Only one line required, with pure TypeScript type
  • Runtime validator is 20,000x faster than class-validator
  • JSON serialization is 200x faster than class-transformer

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Playground

You can experience how typia works by playground website:

Guide Documents

Check out the document in the website:

🏠 Home

📖 Features

🔗 Appendix

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Super-fast/easy Runtime validator

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