fix(core): update

ts/index.ts

@@ -15,6 +15,11 @@ export class WebRequest {
     AbortController?: typeof AbortController,
     helixTimeout?: any,
   }>();
+
+  /**
+   * loads the needed polyfill
+   * @returns
+   */
   public static async loadNeededPolyfills() {
     if (this.polyfillStatusEvaluated) {
       return this.neededPolyfillsLoadedDeferred.promise;
@@ -22,6 +27,7 @@ export class WebRequest {
     this.polyfillStatusEvaluated = true;
     const smartenv = new plugins.smartenv.Smartenv();
     if (!smartenv.isBrowser) {
+      console.log('webrequest using node context.');
       this.polyfillStatusEvaluated = true;
       const fetchMod = await smartenv.getSafeNodeModule('@adobe/helix-fetch');
       this.neededPolyfillsLoadedDeferred.resolve({
@@ -30,8 +36,11 @@ export class WebRequest {
         helixTimeout: fetchMod.timeoutSignal,
       });
     } else {
+      console.log('webrequest using browser context.');
       this.neededPolyfillsLoadedDeferred.resolve({
-        fetch: globalThis.fetch,
+        fetch: (...args) => {
+          return fetch(...args);
+        },
         Response: globalThis.Response,
         AbortController: globalThis.AbortController
       });
@@ -70,8 +79,11 @@ export class WebRequest {
   public async postJson(urlArg: string, requestBody?: any, useCacheArg: boolean = false) {
     await WebRequest.neededPolyfillsLoadedDeferred.promise;
     const response: Response = await this.request(urlArg, {
-      body: plugins.smartjson.stringify(requestBody),
       method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: plugins.smartjson.stringify(requestBody),
       useCache: useCacheArg,
     });
     const responseText = await response.text();
@@ -85,8 +97,11 @@ export class WebRequest {
   public async putJson(urlArg: string, requestBody?: any, useStoreAsFallback: boolean = false) {
     await WebRequest.neededPolyfillsLoadedDeferred.promise;
     const response: Response = await this.request(urlArg, {
-      body: plugins.smartjson.stringify(requestBody),
       method: 'PUT',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: plugins.smartjson.stringify(requestBody),
     });
     const responseText = await response.text();
     const responseResult = plugins.smartjson.parse(responseText);
@@ -99,6 +114,9 @@ export class WebRequest {
   public async deleteJson(urlArg: string, useStoreAsFallback: boolean = false) {
     await WebRequest.neededPolyfillsLoadedDeferred.promise;
     const response: Response = await this.request(urlArg, {
+      headers: {
+        'Content-Type': 'application/json',
+      },
       method: 'GET',
     });
     const responseText = await response.text();
@@ -120,7 +138,8 @@ export class WebRequest {
       timeoutMs: 60000,
       useCache: false,
       ...optionsArg,
-    }
+    };
+    
     const fetchObject = await WebRequest.neededPolyfillsLoadedDeferred.promise;
     let controller: AbortController;
     if (optionsArg.timeoutMs) {
@@ -147,7 +166,6 @@ export class WebRequest {
       signal: controller ? controller.signal : null,
       method: optionsArg.method,
       headers: {
-        'Content-Type': 'application/json',
         ...(optionsArg.headers || {}),
       },
       body: optionsArg.body,