Merge pull request #462 from JJ-Cro/updateKeepAlive07_2025

feat(v4.1.16): add keepAlive, add lint script, edit lint errors

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "bybit-api",
-  "version": "4.1.15",
+  "version": "4.1.16",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "bybit-api",
-      "version": "4.1.15",
+      "version": "4.1.16",
       "license": "MIT",
       "dependencies": {
         "axios": "^1.7.9",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bybit-api",
-  "version": "4.1.15",
+  "version": "4.1.16",
   "description": "Complete & robust Node.js SDK for Bybit's REST APIs and WebSockets, with TypeScript & strong end to end tests.",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
@@ -17,7 +17,8 @@
     "build:watch": "npm run clean && tsc --project tsconfig.build.json --watch",
     "pack": "webpack --config webpack/webpack.config.js",
     "prepublish": "npm run build:clean",
-    "betapublish": "npm publish --tag beta"
+    "betapublish": "npm publish --tag beta",
+    "lint": "eslint src"
   },
   "author": "Tiago Siebler (https://github.com/tiagosiebler)",
   "contributors": [],

src/types/index.ts

@@ -5,4 +5,3 @@ export * from './response/v5-spreadtrading';
 export * from './shared';
 export * from './shared-v5';
 export * from './websockets';
-

src/util/BaseRestClient.ts

@@ -138,9 +138,17 @@ export default abstract class BaseRestClient {
 
     // If enabled, configure a https agent with keepAlive enabled
     if (this.options.keepAlive) {
+      // Extract existing https agent parameters, if provided, to prevent the keepAlive flag from overwriting
+      // an existing https agent completely
+      const existingHttpsAgent = this.globalRequestOptions.httpsAgent as
+        | https.Agent
+        | undefined;
+      const existingAgentOptions = existingHttpsAgent?.options || {};
+
       // For more advanced configuration, raise an issue on GitHub or use the "networkOptions"
       // parameter to define a custom httpsAgent with the desired properties
       this.globalRequestOptions.httpsAgent = new https.Agent({
+        ...existingAgentOptions,
         keepAlive: true,
         keepAliveMsecs: this.options.keepAliveMsecs,
       });

src/websocket-client.ts

@@ -751,6 +751,7 @@ export class WebsocketClient extends BaseWebsocketClient<
 
         if (!reqId) {
           this.logger.error(
+            // eslint-disable-next-line max-len
             'WS API response is missing reqId - promisified workflow could get stuck. If this happens, please get in touch with steps to reproduce. Trace:',
             {
               wsKey,