Appsync-client-node NPM

appsync-client-node

Lightweight AWS AppSync client for Node.js (optimized for AWS Lambda Node.js runtime(s)):

supports IAM and API Key authentications
supports XRay tracing or OpenTelemetry Lambda layers auto-instrumentation
allow to specify URL via environment variable (GRAPHQL_API_ENDPOINT_ENV_NAME)
properly handles timeouts, abort signal and retries connection-reset errors
comes with lightweight gql tag (just stipes whitespace and comments) for prettier, GraphQL VSCode syntax highlighting, etc.
ESM and CommonJs modules
TypeScript generics support for variables and results
depends only on @aws-sdk v3 (that comes built-in on Node 18.x lambda runtime) and aws-xray-sdk-core that results in very small bundle (when used with CDK NodejsFunction)
MIT licensed

Usage

import { appSyncClient, gql } from "appsync-client-node";

const books = await appSyncClient<ReturnValueType, { author: string }>({
  query: gql`
    query books($author: String!) {
      books(author: $author) {
        ...BookFragment
      }
    }
  `,
  variables: {
    author: "Remark",
  },
});