DevBolt
Processed in your browser. Your data never leaves your device.
← Back to all tools

GraphQL to TypeScript Converter

Convert GraphQL SDL schemas to TypeScript interfaces, types, enums, and operations. Paste your schema and get typed code instantly.

// ── Scalars ──

export type DateTime = string;

// ── Enums ──

export enum UserRole {
  ADMIN = "ADMIN",
  EDITOR = "EDITOR",
  AUTHOR = "AUTHOR",
  READER = "READER",
}

// ── Types ──

/** A blog post */
export interface Post {
  id: string;
  title: string;
  content: string;
  slug: string;
  published: boolean;
  createdAt: string;
  updatedAt?: string;
  author: User;
  tags: Tag[];
  comments: Comment[];
}

export interface User {
  id: string;
  name: string;
  email: string;
  avatar?: string;
  bio?: string;
  posts: Post[];
  role: UserRole;
}

export interface Comment {
  id: string;
  body: string;
  author: User;
  post: Post;
  createdAt: string;
}

export interface Tag {
  id: string;
  name: string;
  slug: string;
  posts: Post[];
}

// ── Input Types ──

export interface CreatePostInput {
  title: string;
  content: string;
  slug?: string;
  published?: boolean;
  tagIds?: string[];
}

export interface UpdatePostInput {
  title?: string;
  content?: string;
  slug?: string;
  published?: boolean;
  tagIds?: string[];
}

// ── Operations ──

export interface Query {
  /** Args: (limit: number, offset: number, published: boolean) */
  posts: Post[];
  /** Args: (id: string) */
  post?: Post;
  users: User[];
  /** Args: (id: string) */
  user?: User;
  tags: Tag[];
}

export interface PostsArgs {
  limit?: number;
  offset?: number;
  published?: boolean;
}

export interface PostArgs {
  id: string;
}

export interface UserArgs {
  id: string;
}

export interface Mutation {
  /** Args: (input: CreatePostInput) */
  createPost: Post;
  /** Args: (id: string, input: UpdatePostInput) */
  updatePost?: Post;
  /** Args: (id: string) */
  deletePost: boolean;
  /** Args: (name: string, email: string, password: string) */
  register: User;
}

export interface CreatePostArgs {
  input: CreatePostInput;
}

export interface UpdatePostArgs {
  id: string;
  input: UpdatePostInput;
}

export interface DeletePostArgs {
  id: string;
}

export interface RegisterArgs {
  name: string;
  email: string;
  password: string;
}

4

Types

2

Inputs

1

Enums

0

Unions

0

Interfaces

1

Scalars

2

Operations

45

Fields

Press Ctrl+Enter to copy

Default Scalar Mappings

String → string
Int → number
Float → number
Boolean → boolean
ID → string
DateTime → string
Date → string
Time → string
JSON → Record<string, unknown>
JSONObject → Record<string, unknown>
Upload → File
BigInt → bigint

Related Tools

JSON to TypeScript — generate types from JSON dataOpenAPI to TypeScript — convert REST API specs to typesJSON to Code — generate typed code in 8 languagesZod Schema Generator — create runtime validation schemas

Related Convert Tools

API

OpenAPI to TypeScript

Convert OpenAPI 3.x and Swagger 2.0 specs to TypeScript interfaces and types with $ref resolution, allOf/oneOf/anyOf, enums, and API operation types

ZOD

JSON to Zod Converter

Convert JSON or JSON Schema to Zod validation schemas with $ref resolution, allOf/oneOf/anyOf, enum, format constraints, and required/optional fields

TS

TypeScript to JavaScript

Convert TypeScript to JavaScript — strip types, interfaces, enums, generics, and access modifiers to get clean JS output

SQL

JSON to SQL Converter

Convert JSON arrays to SQL CREATE TABLE and INSERT statements for PostgreSQL, MySQL, and SQLite with automatic type inference