fix: fetch in local environment

Author: jotanarciso

lib/env/polyfills/fetch.polyfills.js

@@ -15,11 +15,10 @@ import { getUrlFromResource, getVulcanBuildId } from '#utils';
  * @returns {Promise<Response>} A Promise that resolves to the Response object.
  */
 async function fetchPolyfill(context, resource, options) {
-  const { Headers, Response } = context;
+  const { Headers, Response, RESERVED_FETCH } = context;
 
-  const urlObj = getUrlFromResource(resource);
+  const urlObj = getUrlFromResource(context, resource);
 
-  // console.log(filePath);
   if (urlObj.href.startsWith('file://')) {
     const versionId = getVulcanBuildId();
     const file = urlObj.pathname.replace(`/${versionId}`, '');
@@ -35,7 +34,7 @@ async function fetchPolyfill(context, resource, options) {
     return response;
   }
 
-  return fetch(resource, options);
+  return RESERVED_FETCH(resource, options);
 }
 
 export default fetchPolyfill;

lib/env/runtime.env.js

@@ -36,8 +36,10 @@ import { fetchPolyfill, FetchEventPolyfill } from './polyfills/index.js';
  */
 function runtime(code) {
   const extend = (context) => {
-    context.fetch = (resource, options) =>
+    context.RESERVED_FETCH = context.fetch.bind(context);
+    context.fetch = async (resource, options) =>
       fetchPolyfill(context, resource, options);
+
     context.FetchEvent = FetchEventPolyfill;
     context.FirewallEvent = {}; // TODO: Firewall Event
     /*

lib/utils/getUrlFromResource/getUrlFromResource.utils.js

@@ -3,16 +3,17 @@ import { Utils } from '#namespaces';
 /**
  * @function
  * @memberof Utils
+ * @param {globalThis} context - VMContext
  * @description Creates a URL object based on a received resource
  * @param {URL|Request|string} resource received resource.
  * @returns {URL} Generated URL object.
  */
-function getUrlFromResource(resource) {
+function getUrlFromResource(context, resource) {
   if (typeof resource === 'string') return new URL(resource);
 
-  if (resource instanceof Request) return new URL(resource.url);
+  if (resource instanceof context.Request) return new URL(resource.url);
 
-  if (resource instanceof URL) return resource;
+  if (resource instanceof context.URL) return resource;
 
   throw new Error(
     "Invalid resource input. 'resource' must be 'URL', 'Request' or 'string'.",