# `verae-zapier-middleware/errors`

**Package:** `verae-zapier-middleware`  
**Source:** `packages/verae-zapier-middleware/src/errors.js`  
**Lines:** 76

## What this module is

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

## Exports

`AppError`, `asyncHandler`, `sendError`

## Types / interfaces / classes

| Kind | Name |
|------|------|
| class | `AppError` |

## Functions

| Name | Parameters | Param types (JSDoc) | Returns | Calls (same file / helpers) |
|------|------------|---------------------|---------|-----------------------------|
| `asyncHandler` | `fn` | fn: `(req: import('express').Request, res: import('express').Response, next: import('express').NextFunction) => Promise<unknown>` | `import('express').RequestHandler` | see Call graph |
| `sendError` | `res, err` | res: `import('express').Response`, err: `Error|AppError` | `void` | see Call graph |

## Methods (class / object)

| Name | Parameters |
|------|------------|
| `constructor` | `message, { status = 500, code = 'INTERNAL_ERROR', details } = {}` |
| `return` | `req, res, next` |

## What it imports / requires

- `./debug/logger.js`
- `./debug/trace-context.js`

## Call graph (identifiers invoked)

`createDebugger`, `details`, `constructor`, `import`, `asyncHandler`, `resolve`, `fn`, `sendError`, `getTraceId`, `error`, `debug`, `status`, `json`

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`.