rc-js-util/docs/rc-js-util.stringnormalizenullundefinedtoempty.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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## stringNormalizeNullUndefinedToEmpty() function

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

**Signature:**

```typescript
export declare function stringNormalizeNullUndefinedToEmpty(input: string | null | undefined): string;
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

input


</td><td>

string \| null \| undefined


</td><td>


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

string

`input` if it's a `string` of length greater than 0, otherwise an empty `string`<!-- -->.

## Remarks

See [stringNormalizeNullUndefinedToEmpty()](./rc-js-util.stringnormalizenullundefinedtoempty.md)<!-- -->.