graphql-http-transformer

/* src/schema.graphql */ # This file defines your GraphQL API schema with the @http directive. # The graphql-http-transformer processes this directive when you use the Amplify CLI # to provision AWS AppSync HTTP Data Sources and Resolvers automatically. type Query { # Defines a GraphQL query 'getPost' that fetches data from an external HTTP API. # The @http directive configures the AppSync resolver to make a GET request. # The 'url' argument dynamically constructs the URL using the '$id' argument. getPost(id: ID!): Post @http(method: GET, url: "https://jsonplaceholder.typicode.com/posts/${id}") # Example of a mutation using a POST request to an external API. createTodo(input: CreateTodoInput!): Todo @http(method: POST, url: "https://api.example.com/todos") } type Post { id: ID! title: String body: String userId: ID } input CreateTodoInput { title: String! description: String completed: Boolean = false } type Todo { id: ID! title: String! description: String completed: Boolean } # To deploy this schema with AWS Amplify, you would typically use the Amplify CLI: # 1. Initialize an Amplify project: `amplify init` # 2. Add an API: `amplify add api` (choose GraphQL, then select 'Single object with fields (e.g., "Todo")' or 'Blank schema' and paste the above content) # 3. Push changes to the cloud: `amplify push` # The CLI will detect the @http directive, apply the transformer, and provision # the necessary AWS resources (AppSync API, HTTP Data Sources, Resolvers).