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Shu","01M6E5JNNDQS7AJZDYFQ8TPZCK",66,"MIT","https:\u002F\u002Fgithub.com\u002FComeOnOliver\u002Fskillshub\u002Fblob\u002Fmain\u002Fskills\u002Fmicrosoft\u002Fskills\u002Fazure-servicebus-ts\u002FSKILL.md",[],[18,19],"azure","azure servicebus ts","2026-11-10 10:12:30",false,"# Azure Service Bus SDK for TypeScript\n\nEnterprise messaging with queues, topics, and subscriptions.\n\n## Installation\n\n```bash\nnpm install @azure\u002Fservice-bus @azure\u002Fidentity\n```\n\n## Environment Variables\n\n```bash\nSERVICEBUS_NAMESPACE=\u003Cnamespace>.servicebus.windows.net\nSERVICEBUS_QUEUE_NAME=my-queue\nSERVICEBUS_TOPIC_NAME=my-topic\nSERVICEBUS_SUBSCRIPTION_NAME=my-subscription\n```\n\n## Authentication\n\n```typescript\nimport { ServiceBusClient } from \"@azure\u002Fservice-bus\";\nimport { DefaultAzureCredential } from \"@azure\u002Fidentity\";\n\nconst fullyQualifiedNamespace = process.env.SERVICEBUS_NAMESPACE!;\nconst client = new ServiceBusClient(fullyQualifiedNamespace, new DefaultAzureCredential());\n```\n\n## Core Workflow\n\n### Send Messages to Queue\n\n```typescript\nconst sender = client.createSender(\"my-queue\");\n\n\u002F\u002F Single message\nawait sender.sendMessages({\n  body: { orderId: \"12345\", amount: 99.99 },\n  contentType: \"application\u002Fjson\",\n});\n\n\u002F\u002F Batch messages\nconst batch = await sender.createMessageBatch();\nbatch.tryAddMessage({ body: \"Message 1\" });\nbatch.tryAddMessage({ body: \"Message 2\" });\nawait sender.sendMessages(batch);\n\nawait sender.close();\n```\n\n### Receive Messages from Queue\n\n```typescript\nconst receiver = client.createReceiver(\"my-queue\");\n\n\u002F\u002F Receive batch\nconst messages = await receiver.receiveMessages(10, { maxWaitTimeInMs: 5000 });\nfor (const message of messages) {\n  console.log(`Received: ${message.body}`);\n  await receiver.completeMessage(message);\n}\n\nawait receiver.close();\n```\n\n### Subscribe to Messages (Event-Driven)\n\n```typescript\nconst receiver = client.createReceiver(\"my-queue\");\n\nconst subscription = receiver.subscribe({\n  processMessage: async (message) => {\n    console.log(`Processing: ${message.body}`);\n    \u002F\u002F Message auto-completed on success\n  },\n  processError: async (args) => {\n    console.error(`Error: ${args.error}`);\n  },\n});\n\n\u002F\u002F Stop after some time\nsetTimeout(async () => {\n  await subscription.close();\n  await receiver.close();\n}, 60000);\n```\n\n### Topics and Subscriptions\n\n```typescript\n\u002F\u002F Send to topic\nconst topicSender = client.createSender(\"my-topic\");\nawait topicSender.sendMessages({\n  body: { event: \"order.created\", data: { orderId: \"123\" } },\n  applicationProperties: { eventType: \"order.created\" },\n});\n\n\u002F\u002F Receive from subscription\nconst subscriptionReceiver = client.createReceiver(\"my-topic\", \"my-subscription\");\nconst messages = await subscriptionReceiver.receiveMessages(10);\n```\n\n## Message Sessions\n\n```typescript\n\u002F\u002F Send session message\nconst sender = client.createSender(\"session-queue\");\nawait sender.sendMessages({\n  body: { step: 1, data: \"First step\" },\n  sessionId: \"workflow-123\",\n});\n\n\u002F\u002F Receive session messages\nconst sessionReceiver = await client.acceptSession(\"session-queue\", \"workflow-123\");\nconst messages = await sessionReceiver.receiveMessages(10);\n\n\u002F\u002F Get\u002Fset session state\nconst state = await sessionReceiver.getSessionState();\nawait sessionReceiver.setSessionState(Buffer.from(JSON.stringify({ progress: 50 })));\n\nawait sessionReceiver.close();\n```\n\n## Dead-Letter Handling\n\n```typescript\n\u002F\u002F Move to dead-letter\nawait receiver.deadLetterMessage(message, {\n  deadLetterReason: \"Validation failed\",\n  deadLetterErrorDescription: \"Missing required field: orderId\",\n});\n\n\u002F\u002F Process dead-letter queue\nconst dlqReceiver = client.createReceiver(\"my-queue\", { subQueueType: \"deadLetter\" });\nconst dlqMessages = await dlqReceiver.receiveMessages(10);\nfor (const msg of dlqMessages) {\n  console.log(`DLQ Reason: ${msg.deadLetterReason}`);\n  \u002F\u002F Reprocess or log\n  await dlqReceiver.completeMessage(msg);\n}\n```\n\n## Scheduled Messages\n\n```typescript\nconst sender = client.createSender(\"my-queue\");\n\n\u002F\u002F Schedule for future delivery\nconst scheduledTime = new Date(Date.now() + 60000); \u002F\u002F 1 minute from now\nconst sequenceNumber = await sender.scheduleMessages(\n  { body: \"Delayed message\" },\n  scheduledTime\n);\n\n\u002F\u002F Cancel scheduled message\nawait sender.cancelScheduledMessages(sequenceNumber);\n```\n\n## Message Deferral\n\n```typescript\n\u002F\u002F Defer message for later\nawait receiver.deferMessage(message);\n\n\u002F\u002F Receive deferred message by sequence number\nconst deferredMessage = await receiver.receiveDeferredMessages(message.sequenceNumber!);\nawait receiver.completeMessage(deferredMessage[0]);\n```\n\n## Peek Messages (Non-Destructive)\n\n```typescript\nconst receiver = client.createReceiver(\"my-queue\");\n\n\u002F\u002F Peek without removing\nconst peekedMessages = await receiver.peekMessages(10);\nfor (const msg of peekedMessages) {\n  console.log(`Peeked: ${msg.body}`);\n}\n```\n\n## Key Types\n\n```typescript\nimport {\n  ServiceBusClient,\n  ServiceBusSender,\n  ServiceBusReceiver,\n  ServiceBusSessionReceiver,\n  ServiceBusMessage,\n  ServiceBusReceivedMessage,\n  ProcessMessageCallback,\n  ProcessErrorCallback,\n} from \"@azure\u002Fservice-bus\";\n```\n\n## Receive Modes\n\n```typescript\n\u002F\u002F Peek-Lock (default) - message locked until completed\u002Fabandoned\nconst receiver = client.createReceiver(\"my-queue\", { receiveMode: \"peekLock\" });\nawait receiver.completeMessage(message);   \u002F\u002F Remove from queue\nawait receiver.abandonMessage(message);    \u002F\u002F Return to queue\nawait receiver.deferMessage(message);      \u002F\u002F Defer for later\nawait receiver.deadLetterMessage(message); \u002F\u002F Move to DLQ\n\n\u002F\u002F Receive-and-Delete - message removed immediately\nconst receiver = client.createReceiver(\"my-queue\", { receiveMode: \"receiveAndDelete\" });\n```\n\n## Best Practices\n\n1. **Use Entra ID auth** - Avoid connection strings in production\n2. **Reuse clients** - Create `ServiceBusClient` once, share across senders\u002Freceivers\n3. **Close resources** - Always close senders\u002Freceivers when done\n4. **Handle errors** - Implement `processError` callback for subscription receivers\n5. **Use sessions for ordering** - When message order matters within a group\n6. **Configure dead-letter** - Always handle DLQ messages\n7. **Batch sends** - Use `createMessageBatch()` for multiple messages\n\n## Reference Documentation\n\nFor detailed patterns, see:\n\n- [Queues vs Topics Patterns](references\u002Fqueues-topics.md) - Queue\u002Ftopic patterns, sessions, receive modes, message settlement\n- [Error Handling and Reliability](references\u002Ferror-handling.md) - ServiceBusError codes, DLQ handling, lock renewal, graceful shutdown\n",{},"main","def8531e65114c0fca8fb8551c1871ee0eed705c","skills\u002Fmicrosoft\u002Fskills\u002Fazure-servicebus-ts",24,"https:\u002F\u002Fgithub.com\u002FComeOnOliver\u002Fskillshub","https:\u002F\u002Fskillshub.wtf","https:\u002F\u002Fgithub.com\u002FComeOnOliver","AI & Blockchain Engineer\r\n","2026-06-24 22:07:19",{"source":7,"skillName":5,"commands":34,"prompt":44,"zipAvailable":45},[35,38,41],{"tool":36,"command":37},"npx","npx skills add ComeOnOliver\u002Fskillshub --skill azure-servicebus-ts",{"tool":39,"command":40},"bunx","bunx skills add ComeOnOliver\u002Fskillshub --skill azure-servicebus-ts",{"tool":42,"command":43},"pnpm","pnpm dlx skills add ComeOnOliver\u002Fskillshub --skill 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