# `verae-zapier-middleware/nats/connection`

**Package:** `verae-zapier-middleware`  
**Source:** `packages/verae-zapier-middleware/src/nats/connection.js`  
**Lines:** 112

## What this module is

Implementation module in `verae-zapier-middleware`. The tables below are extracted from the source (signatures + JSDoc).

## Exports

`connectNats`, `ensureStreams`, `closeNats`, `getJetStream`, `isNatsConnected`

## Types / interfaces / classes

_None extracted._

## Functions

| Name | Parameters | Param types (JSDoc) | Returns | Calls (same file / helpers) |
|------|------------|---------------------|---------|-----------------------------|
| `connectNats` | `url = config.natsUrl` | url: `string` | `Promise<{ nc: import('nats').NatsConnection, js: import('nats').JetStreamClient, jsm: import('nats').JetStreamManager ` — >} | see Call graph |
| `ensureStreams` | `manager` | manager: `import('nats').JetStreamManager` | `Promise<void>` | see Call graph |
| `closeNats` | `(none)` | — | `Promise<void>` | see Call graph |
| `getJetStream` | `(none)` | — | `import('nats').JetStreamClient|null` | see Call graph |
| `isNatsConnected` | `(none)` | — | `boolean` | see Call graph |

## What it imports / requires

- `../debug/logger.js`
- `../config.js`
- `./subjects.js`

## Call graph (identifiers invoked)

`createDebugger`, `import`, `connectNats`, `debug`, `disabled`, `info`, `connect`, `jetstream`, `jetstreamManager`, `ensureStreams`, `add`, `closeNats`, `drain`, `getJetStream`, `isNatsConnected`, `isClosed`

Each identifier is a call site in this file. Follow the import list to see the defining module; open that module’s MD for parameter and return types.

## Return values (how to read this)

- HTTP route handlers return Express `res.json(...)` bodies (see route docs).
- Zapier `perform` functions return a **single object** (creates) or an **array** (triggers/searches).
- Pricing functions return integer **cents** on `Quote.totalCents`.