@specprotected/spec-proxy-cloudflare-worker/index.ts

Spec Proxy implementation for Cloudflare Edge Workers

// This is a wrapper module to support cloudflare edge workers. We isolate
// this code to help shield implementation details from the inner workings of
// the library and help keep a standard interface while we change how our
// API operates.
//
import * as spec from "@specprotected/spec-proxy-service-worker";

export { SpecConfiguration } from "@specprotected/spec-proxy-service-worker";

class CloudflareRequest extends Request {
  constructor(info: RequestInfo, init?: RequestInit, original?: Request) {
    if (original) {
      // assign the custom cloudflare properties of the RequestInit object
      // i guess cloudflare didn't include this property on the Request type? so hack with any
      init = { ...init, ...{ cf: (original as any).cf } };
    }
    super(info, init);
  }
}

export function specProxyProcessRequest(
  event: FetchEvent,
  config: spec.SpecConfiguration = {},
): Request {
  return spec.specProxyProcessRequest(event, config, CloudflareRequest);
}

export function specProxyProcessResponse(
  request: Request,
  response: Response,
  config: spec.SpecConfiguration = {},
): Response {
  return spec.specProxyProcessResponse(request, response, config);
}

export async function specProxyProcess(
  event: FetchEvent,
  config: spec.SpecConfiguration,
) {
  return spec.specProxyProcess(event, config, CloudflareRequest);
}