# Hierarchy

**Compact**

# Constructors

<a id="constructor"></a>

##  constructor

⊕ **new Compact**(file: *`string`*): [Compact](_fileflatdb_compact_.compact.md)

*Defined in [FileFlatDb/Compact.ts:17](https://github.com/polkadot-js/common/blob/75c09a9/packages/db/src/FileFlatDb/Compact.ts#L17)*

**Parameters:**

| Name | Type |
| ------ | ------ |
| file | `string` |

**Returns:** [Compact](_fileflatdb_compact_.compact.md)

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# Methods

<a id="maintain"></a>

##  maintain

▸ **maintain**(fn: *`ProgressCb`*): `void`

*Defined in [FileFlatDb/Compact.ts:24](https://github.com/polkadot-js/common/blob/75c09a9/packages/db/src/FileFlatDb/Compact.ts#L24)*

**Parameters:**

| Name | Type |
| ------ | ------ |
| fn | `ProgressCb` |

**Returns:** `void`

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