Cannot read properties "addEventListener" when initialising new subscription
Tags: sdk, subscription
Feb 12, 2024 at 2:11am • 2 replies • 1 likes
Api User
Hello,
i took the example directly from https://www.npmjs.com/package/@ringcentral/subscriptions and used it on my application.
import 'dotenv/config' import {SDK} from '@ringcentral/sdk'; import {Subscriptions} from '@ringcentral/subscriptions'; // init const sdk = new SDK({ server: 'https://platform.devtest.ringcentral.com', clientId: process.env.RC_APP_KEY, clientSecret: process.env.RC_APP_SECRET }); const platform = sdk.platform(); const subscriptions = new Subscriptions({ sdk: sdk, }); const main = async () => { // login await platform.login({ 'jwt': process.env.RC_LOGIN_JWT }); // subscribe const subscription = subscriptions.createSubscription(); subscription.on(subscription.events.notification, evt => { console.log(JSON.stringify(evt, null, 2)); }); await subscription .setEventFilters(['/restapi/v1.0/account/~/extension/~/message-store']) .register(); // trigger events const r = await platform.get('/restapi/v1.0/account/~/extension/~'); const ext = await r.json(); platform.post('/restapi/v1.0/account/~/extension/~/company-pager', { from: {extensionId: ext.id}, to: [{extensionId: ext.id}], text: 'Hello world!', }); }; main();
When trying to run, i get the error:
TypeError: Cannot read properties of undefined (reading 'addEventListener') at Subscription.setupWsEventListener (C:\Projects\ringcentral-service\node_modules\@rc-ex\ws\lib\subscription.js:22:21) at new Subscription (C:\Projects\ringcentral-service\node_modules\@rc-ex\ws\lib\subscription.js:19:14) at WebSocketExtension.subscribe (C:\Projects\ringcentral-service\node_modules\@rc-ex\ws\lib\index.js:315:30) at Subscription.<anonymous> (C:\Projects\ringcentral-service\node_modules\@ringcentral\subscriptions\lib\Subscriptions.js:89:58) at step (C:\Projects\ringcentral-service\node_modules\@ringcentral\subscriptions\lib\Subscriptions.js:48:23) at Object.next (C:\Projects\ringcentral-service\node_modules\@ringcentral\subscriptions\lib\Subscriptions.js:29:53) at fulfilled (C:\Projects\ringcentral-service\node_modules\@ringcentral\subscriptions\lib\Subscriptions.js:20:58) at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
Apparently the parameter 'ws' in /@rc-ex/ws/lib/subscription.js is undefined, resulting in an error when trying to add listeners.
Any help is appreciated
sdk version is 5.0.1
subscpriptions version is 5.0.1
Node version is v.18.17.1
Dev Admin on Feb 26, 2024 at 2:45am • 0 likes
I'm also experiencing this, did you manage to resolve?
1 Answer
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