Function handler

packages/platform/src/HttpApp.ts:281–298

(request: Request, context?: Context.Context<never> | undefined)

    | Promise<(request: Request, context?: Context.Context<never> | undefined) => Promise<Response>>
    | undefined
  function handler(request: Request, context?: Context.Context<never> | undefined): Promise<Response> {
    if (handlerCache) {
      return handlerCache(request, context)
    }
    handlerPromise ??= Effect.gen(function*() {
      const runtime = yield* (options.memoMap
        ? Layer.toRuntimeWithMemoMap(layer, options.memoMap)
        : Layer.toRuntime(layer))
      return handlerCache = toWebHandlerRuntime(runtime)(
        yield* options.toHandler(runtime),
        options.middleware
      )
    }).pipe(
      Scope.extend(scope),
      Effect.runPromise
    )
    return handlerPromise.then((f) => f(request, context))
  }
  return { dispose, handler } as const
}