fix(core): update

ts/index.ts

@@ -14,20 +14,27 @@ export class WebRequest {
     const smartenv = new plugins.smartenv.Smartenv();
     if (!smartenv.isBrowser) {
       this.polyfillStatusEvaluated = true;
-      const fetch = await smartenv.getSafeNodeModule('node-fetch');
-      globalThis.fetch = fetch.default;
+      const fetchMod = await smartenv.getSafeNodeModule('node-fetch');
+      globalThis.Response = fetchMod.Response;
+      globalThis.fetch = fetchMod.default;
     }
     this.neededPolyfillsLoadedDeferred.resolve();
   }
 
+  public cacheStore = new plugins.webstore.WebStore({
+    dbName: 'webrequest',
+    storeName: 'webrequest',
+  });
+
   constructor() {
     WebRequest.loadNeededPolyfills();
   }
 
-  public async getJson(urlArg: string | string[]) {
+  public async getJson(urlArg: string, useCacheArg: boolean = false) {
     await WebRequest.neededPolyfillsLoadedDeferred.promise;
     const response: Response = await this.request(urlArg, {
       method: 'GET',
+      useCache: useCacheArg,
     });
     const responseText = await response.text();
     const responseResult = plugins.smartjson.parse(responseText);
@@ -37,7 +44,7 @@ export class WebRequest {
   /**
    * postJson
    */
-  public async postJson(urlArg: string, requestBody?: any) {
+  public async postJson(urlArg: string, requestBody?: any, useStoreAsFallback: boolean = false) {
     await WebRequest.neededPolyfillsLoadedDeferred.promise;
     const response: Response = await this.request(urlArg, {
       body: plugins.smartjson.stringify(requestBody),
@@ -51,7 +58,7 @@ export class WebRequest {
   /**
    * put js
    */
-  public async putJson(urlArg: string, requestBody?: any) {
+  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),
@@ -65,7 +72,7 @@ export class WebRequest {
   /**
    * put js
    */
-  public async deleteJson(urlArg: string) {
+  public async deleteJson(urlArg: string, useStoreAsFallback: boolean = false) {
     await WebRequest.neededPolyfillsLoadedDeferred.promise;
     const response: Response = await this.request(urlArg, {
       method: 'GET',
@@ -75,10 +82,60 @@ export class WebRequest {
     return responseResult;
   }
 
-  /**
-   * a fault tolerant request
-   */
   public async request(
+    urlArg: string,
+    optionsArg: {
+      method: 'GET' | 'POST' | 'PUT' | 'DELETE';
+      body?: any;
+      headers?: HeadersInit;
+      useCache?: boolean;
+      timeoutMs?: number;
+    }
+  ) {
+    await WebRequest.neededPolyfillsLoadedDeferred.promise;
+    const controller = new AbortController();
+    if (optionsArg.timeoutMs) {
+      plugins.smartdelay.delayFor(optionsArg.timeoutMs).then(() => {
+        controller.abort();
+      });
+    }
+    let cachedResponseDeferred = plugins.smartpromise.defer<Response>();
+    let cacheUsed = false;
+    if (optionsArg.useCache && this.cacheStore.check(urlArg)) {
+      const responseBuffer: ArrayBuffer = await this.cacheStore.get(urlArg)
+      cachedResponseDeferred.resolve(new Response(responseBuffer, {}));
+    } else {
+      cachedResponseDeferred.resolve(null);
+    }
+    const response: Response = await fetch(urlArg, {
+      signal: controller.signal,
+      method: optionsArg.method,
+      headers: {
+        'Content-Type': 'application/json',
+        ...(optionsArg.headers || {}),
+      },
+      body: optionsArg.body,
+    }).catch(async err => {
+      if (optionsArg.useCache && await cachedResponseDeferred.promise) {
+        cacheUsed = true;
+        const cachedResponse = cachedResponseDeferred.promise;
+        return cachedResponse;
+      } else {
+        return err;
+      }
+    });
+    if (!cacheUsed && optionsArg.useCache && response.status < 300) {
+      const buffer = await response.clone().arrayBuffer();
+      await this.cacheStore.set(urlArg, buffer);
+    }
+    console.log(`${urlArg} answers with status: ${response.status}`);
+    return response;
+  }
+
+  /**
+   * a multi endpoint, fault tolerant request function
+   */
+  public async requestMultiEndpoint(
     urlArg: string | string[],
     optionsArg: {
       method: 'GET' | 'POST' | 'PUT' | 'DELETE';