graphql-validator

GraphQL Validator

About the tool

At the logical level, GraphQL schemas are collections of object types with fields, they can be used as a mechanism for defining the data model for JSON documents. While not usually used for this purpose, GraphQL SDL is a very expressive language that serves as a viable alternative for capturing logical data models.

Demo

GraphQL schema

type Book {
  title: String
  author: Author
}

type Author {
  name: String
  books: [Book]
}1
type Book {
2
  title: String
3
  author: Author
4
}
5

6
type Author {
7
  name: String
8
  books: [Book]
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

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