Resources & Tools

Home › Resources & Tools › TypeScript Validator

TypeScript Validator

TypeScript type and interface definitions are a way to logically represent the data model of hierarchical data structures. This tool parses the TypeScript code and uses the extracted constraints to validate the input JSON.

TypeScript

export type Author = {
  name: string;
  books?: Book[];
};

export type Book = {
  title: string;
  author: Author;
};1
export type Author = {
2
  name: string;
3
  books?: Book[];
4
};
5

6
export type Book = {
7
  title: string;
8
  author: Author;
9
};

JSON instance

{
  "title": "Harry Potter and the Chamber of Secrets",
  "author": {
    "name": "J.K. Rowling"
  }
}1
{
2
  "title": "Harry Potter and the Chamber of Secrets",
3
  "author": {
4
    "name": "J.K. Rowling"
5
  }
6
}

JSON root type

Validation result

No errors

TypeScript Validator

Recommended for you

Product

Ea.

Leskoff Notes Wall Chart (Notes Poster)

Notes Wall Chart (Notes Poster), English-Labeled

A poster featuring the names of musical notes.

Leskoff 2027 Wall Calendar

2027 Wall Calendar, Kurdish-Labeled, Sunday-Start Layout, Poster / Wall Print, 23.4 x 33.1 in (59.4 x 84.1 cm)

A Kurdish-language wall calendar (2027, Sunday-start format).

Leskoff Periodic Table Chart

Periodic Table Chart, 11.7 x 8.3 in (29.7 x 21.0 cm, Desk Chart, Laminated), 18-Column Layout, Kabardian-Labeled

A Kabardian-language periodic table of the elements.

Leskoff Yakut Alphabet Chart

Yakut Alphabet Chart, 8.3 x 11.7 in (21.0 x 29.7 cm, Desk Chart, Laminated)

The Yakut alphabet chart.

Leskoff модуль IPA Transcription Poster

модуль IPA Transcription Poster

A poster featuring the phonetic transcription of "модуль" in the International Phonetic Alphabet (IPA).

See also

Convert PLIST files to JSON.

Declaring custom JSX/HTML attributes in TypeScript

How to specify non-standard JSX/HTML attributes in TypeScript?

Convert CSON to JSON online.

Validate JSON against JSON Schema.

Convert YAML to JSON online.