isTransactionSigner

function isTransactionSigner<TAddress, TValue>(
    value,
): value is TransactionSigner<TAddress> & TValue;

Checks whether the provided value implements the TransactionSigner interface.

Type Parameters

Type ParameterDescription
TAddress extends stringThe inferred type of the address provided.
TValue extends object-

Parameters

ParameterType
valueTValue

Returns

value is TransactionSigner<TAddress> & TValue

Example

import { Address } from '@solana/addresses';
import { isTransactionSigner } from '@solana/signers';
 
const address = '1234..5678' as Address<'1234..5678'>;
isTransactionSigner({ address, signTransactions: async () => {} }); // true
isTransactionSigner({ address, modifyAndSignTransactions: async () => {} }); // true
isTransactionSigner({ address, signAndSendTransactions: async () => {} }); // true
isTransactionSigner({ address }); // false

See

assertIsTransactionSigner

On this page