azure-web-pubsub-ts

# Azure Web PubSub SDKs for TypeScript Real-time messaging with WebSocket connections and pub/sub patterns. ## Installation ```bash # Server-side management npm install @azure/web-pubsub @azure/identity # Client-side real-time messaging npm install @azure/web-pubsub-client # Express middleware for event handlers npm install @azure/web-pubsub-express ``` ## Environment Variables ```bash WEBPUBSUB_CONNECTION_STRING=Endpoint=https://<resource>.webpubsub.azure.com;AccessKey=<key>;Version=1.0; WEBPUBSUB_ENDPOINT=https://<resource>.webpubsub.azure.com ``` ## Server-Side: WebPubSubServiceClient ### Authentication ```typescript import { WebPubSubServiceClient, AzureKeyCredential } from "@azure/web-pubsub"; import { DefaultAzureCredential } from "@azure/identity"; // Connection string const client = new WebPubSubServiceClient( process.env.WEBPUBSUB_CONNECTION_STRING!, "chat" // hub name ); // DefaultAzureCredential (recommended) const client2 = new WebPubSubServiceClient( process.env.WEBPUBSUB_ENDPOINT!, new DefaultAzureCredential(), "chat" ); // AzureKeyCredential const client3 = new WebPubSubServiceClient( process.env.WEBPUBSUB_ENDPOINT!, new AzureKeyCredential("<access-key>"), "chat" ); ``` ### Generate Client Access Token ```typescript // Basic token const token = await client.getClientAccessToken(); console.log(token.url); // wss://...?access_token=... // Token with user ID const userToken = await client.getClientAccessToken({ userId: "user123"...