setKeyIf

const setKeyIf: any = addon.setKeyIf

Defined in: index.cts:568

Atomically updates a key only when its current value matches the expected check value.

Param

key

Key to update (Buffer, ArrayBuffer, or string).

Param

newValue

Optional replacement value. Pass undefined to delete the key on success.

Param

checkValue

Optional expected value. Pass undefined to require that the key is absent.

Returns

true when the compare-and-set succeeds, false otherwise.