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keyof()

keyof<T>(objectSchema, message?): KeyofSchema<ObjectSchema<T>>

Keyof schema - validates that the value is a key of an object.

Type Parameters​

T: T extends Record<string, GenericSchema>​

Parameters​

objectSchema: ObjectSchema<T> | ObjectConstraint<T> | { entries: T; }​

Object schema whose keys to validate.

message?: string​

Custom error message.

Returns: KeyofSchema<ObjectSchema<T>>​

Schema that validates the object keys.

Since​

2.0.0