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GraphQL API with TypeGraphQL, TypeGoose & TypeScript

What technology are used?

• TypeGraphQL
• TypeGoose

Why TypeGraphQL?

TypeGraphQL reduced boilerplate. Without it, you have to update schema, data models, resolvers & type definitions. With TypeGraphQL, you only need to update resolvers and data models.

WTF is an decorator?

A Decorator is a special kind of declaration that can be attached to a class declaration, method, accessor, property, or parameter. Decorators use the form @expression, where expression must evaluate to a function that will be called at runtime with information about the decorated declaration.

Reference: https://www.typescriptlang.org/docs/handbook/decorators.html#accessor-decorators

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Queries & mutations

Create user

Query

mutation createUser($input: CreateUserInput!){
  createUser(input: $input) {
    email
    _id
    name
  }
}

Input

{
  "input": {
    "email": "1@example.com",
    "name": "Jane Doe",
    "password": "password"
  }
}

Get current user

Query

query {
  me {
    _id
    name
    email
  }
}

Login

Query

mutation login($input: LoginInput!){
  login(input: $input)
}

Input

{
  "input": {
    "email": "1@example.com",
    "password": "password"
  }
}

Create a product

Query

mutation createProduct($input: CreateProductInput!){
  createProduct(input: $input){
    _id
    price
    productId
    name
    description
  }
}

Input

{
  "input": {
    "name": "A test product111",
    "description": "blah blah blah blah blah blahblah blah blahblah blah blahblah blah blahblah blah blahblah blah blah",
    "price": 24.99

  }
}

Get products

query products {
  products {
    productId
    name
    description
    productId
  }
}

Get a single product

Query

query product($input: GetProductInput!) {
  product(input: $input) {
    _id
    productId
    price
    name
    description
  }
}

Input

{
  "input": {
    "productId": "product_23cn3k61h8"
  }
}