[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [fpNormalizeToUndefined](./rc-js-util.fpnormalizetoundefined.md) ## fpNormalizeToUndefined() function Normalizes `null` input to `undefined`. **Signature:** ```typescript export declare function fpNormalizeToUndefined(value: TValue): Exclude | undefined; ``` ## Parameters

Parameter	Type	Description
value	TValue

**Returns:** Exclude<TValue, null> \| undefined ## Remarks See [fpNormalizeToUndefined()](./rc-js-util.fpnormalizetoundefined.md).