Fix sdk/undefined response handle error (#1578)

* fix(sdk): update version to 1.25.1 and enhance error handling in FirecrawlApp (#1576)

* package version bump

apps/js-sdk/firecrawl/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@mendable/firecrawl-js",
-  "version": "1.25.0",
+  "version": "1.25.1",
   "description": "JavaScript SDK for Firecrawl API",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

apps/js-sdk/firecrawl/src/index.ts

@@ -560,7 +560,7 @@ export interface GenerateLLMsTextStatusResponse {
 export default class FirecrawlApp {
   public apiKey: string;
   public apiUrl: string;
-  public version: string = "1.19.1";
+  public version: string =  "1.25.1";
   
   private isCloudService(url: string): boolean {
     return url.includes('api.firecrawl.dev');
@@ -572,7 +572,7 @@ export default class FirecrawlApp {
       return packageJson.default.version;
     } catch (error) {
       console.error("Error getting version:", error);
-      return "1.19.1";
+      return  "1.25.1";
     }
   }
 
@@ -1491,6 +1491,13 @@ export default class FirecrawlApp {
    * @param {string} action - The action being performed when the error occurred.
    */
   handleError(response: AxiosResponse, action: string): void {
+    if (!response) {
+      throw new FirecrawlError(
+        `No response received while trying to ${action}. This may be a network error or the server is unreachable.`,
+        0
+      );
+    }
+
     if ([400, 402, 403, 408, 409, 500].includes(response.status)) {
       const errorMessage: string =
         response.data.error || "Unknown error occurred";