make proxy port as number

Author: cx-itay-paz

src/main/client/AstClient.ts

@@ -19,8 +19,8 @@ export class AstClient {
 
         try {
             const proxyUrl = new URL(proxyEnv);
-            const proxyPort = proxyUrl.port || (proxyUrl.protocol === 'http:' ? '80' : proxyUrl.protocol === 'https:' ? '443' : '');
-            if (proxyPort === '') {
+            const proxyPort = Number(proxyUrl.port) || (proxyUrl.protocol === 'http:' ? 80 : proxyUrl.protocol === 'https:' ? 443 : 0);
+            if (proxyPort === 0) {
                 logger.error(`Invalid proxy URL: ${proxyUrl}. Port is missing. Proceeding without proxy agent.`);
                 return undefined;
             }
@@ -32,7 +32,7 @@ export class AstClient {
             const agent = tunnel.httpsOverHttp({
                 proxy: {
                     host: proxyUrl.hostname,
-                    port: Number(proxyPort),
+                    port: proxyPort,
                     proxyAuth,
                 }
             });