rc-js-util/docs/rc-js-util.arraynormalizenullishtoempty.md

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

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## arrayNormalizeNullishToEmpty() function

Replaces `null` / `undefined` with an empty `Array`<!-- -->.

**Signature:**

```typescript
export declare function arrayNormalizeNullishToEmpty<TItem>(array: TItem[] | null | undefined): TItem[];
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

array


</td><td>

TItem\[\] \| null \| undefined


</td><td>


</td></tr>
</tbody></table>
**Returns:**

TItem\[\]

`array` if it's an `Array` of length greater than 0, otherwise an empty `Array`<!-- -->.

## Remarks

See [arrayNormalizeNullishToEmpty()](./rc-js-util.arraynormalizenullishtoempty.md)<!-- -->.