import { initTRPC } from "@trpc/server";
import type { CreateAWSLambdaContextOptions } from "@trpc/server/adapters/aws-lambda";
import { awsLambdaRequestHandler } from "@trpc/server/adapters/aws-lambda";
import type { APIGatewayProxyEvent } from "aws-lambda";

function createContext({
  event,
}: CreateAWSLambdaContextOptions<APIGatewayProxyEvent>) {

  return {
    event: event,
    apiVersion: (event as { version?: string }).version ?? "1.0",
    user: event.headers["x-user"],
  };
}
type Context = Awaited<ReturnType<typeof createContext>>;

const t = initTRPC.context<Context>().create();

const router = t.router;

const appRouter = router(...);

export type AppRouter = typeof appRouter;

export const handler = awsLambdaRequestHandler({
  router: appRouter,
  createContext,

});

 
import { initTRPC } from "@trpc/server";
import type { CreateAWSLambdaContextOptions } from "@trpc/server/adapters/aws-lambda";
import { awsLambdaRequestHandler } from "@trpc/server/adapters/aws-lambda";
import type { APIGatewayProxyEvent } from "aws-lambda";

function createContext({
  event,
}: CreateAWSLambdaContextOptions<APIGatewayProxyEvent>) {

  return {
    event: event,
    apiVersion: (event as { version?: string }).version ?? "1.0",
    user: event.headers["x-user"],
  };
}
type Context = Awaited<ReturnType<typeof createContext>>;

const t = initTRPC.context<Context>().create();

const router = t.router;

const appRouter = router(...);

export type AppRouter = typeof appRouter;

export const handler = awsLambdaRequestHandler({
  router: appRouter,
  createContext,

});