# `verae-zapier-middleware/store/db`

**Package:** `verae-zapier-middleware`  
**Source:** `packages/verae-zapier-middleware/src/store/db.js`  
**Lines:** 117

## What this module is

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

## Exports

`emptyStore`, `loadStore`, `getStore`, `setStoreForTests`, `persist`, `reloadStore`

## Types / interfaces / classes

_None extracted._

## Functions

| Name | Parameters | Param types (JSDoc) | Returns | Calls (same file / helpers) |
|------|------------|---------------------|---------|-----------------------------|
| `emptyStore` | `(none)` | — | `StoreShape` | see Call graph |
| `loadStore` | `path = config.storePath` | path: `string` | `StoreShape` | see Call graph |
| `getStore` | `(none)` | — | `StoreShape` | see Call graph |
| `setStoreForTests` | `next` | next: `StoreShape|null` | `void` | see Call graph |
| `persist` | `path = config.storePath` | path: `string` | `void` | see Call graph |
| `reloadStore` | `path = config.storePath` | path: `string` | `StoreShape` | see Call graph |

## Methods (class / object)

| Name | Parameters |
|------|------------|
| `writeFileSync` | `path, JSON.stringify(data, null, 2` |

## What it imports / requires

- `node:fs`
- `node:path`
- `../config.js`
- `../debug/logger.js`

## Call graph (identifiers invoked)

`store`, `createDebugger`, `emptyStore`, `memory`, `loadStore`, `existsSync`, `readFileSync`, `parse`, `isArray`, `debug`, `keys`, `error`, `getStore`, `setStoreForTests`, `persist`, `dirname`, `mkdirSync`, `writeFileSync`, `stringify`, `disk`, `reloadStore`

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`.