Function makeResponse

packages/platform-bun/src/internal/httpServer.ts:112–165

(
  request: ServerRequest.HttpServerRequest,
  response: ServerResponse.HttpServerResponse,
  runtime: Runtime.Runtime<never>
)

  })

const makeResponse = (
  request: ServerRequest.HttpServerRequest,
  response: ServerResponse.HttpServerResponse,
  runtime: Runtime.Runtime<never>
): Response => {
  const fields: {
    headers: globalThis.Headers
    status?: number
    statusText?: string
  } = {
    headers: new globalThis.Headers(response.headers),
    status: response.status
  }

  if (!Cookies.isEmpty(response.cookies)) {
    for (const header of Cookies.toSetCookieHeaders(response.cookies)) {
      fields.headers.append("set-cookie", header)
    }
  }

  if (response.statusText !== undefined) {
    fields.statusText = response.statusText
  }

  if (request.method === "HEAD") {
    return new Response(undefined, fields)
  }
  response = App.unsafeEjectStreamScope(response)
  const body = response.body
  switch (body._tag) {
    case "Empty": {
      return new Response(undefined, fields)
    }
    case "Uint8Array":
    case "Raw": {
      if (body.body instanceof Response) {
        for (const [key, value] of fields.headers.entries()) {
          body.body.headers.set(key, value)
        }
        return body.body
      }
      return new Response(body.body as any, fields)
    }
    case "FormData": {
      return new Response(body.formData as any, fields)
    }
    case "Stream": {
      return new Response(
        Stream.toReadableStreamRuntime(body.stream, runtime),
        fields
      )
    }
  }
}

/** @internal */
export const layerServer = <R extends { [K in keyof R]: Bun.RouterTypes.RouteValue<Extract<K, string>> } = {}>(