extensionDataHex: defaultTo()

in fido.js [115:120]

• 6 lines of code
• 1 McCabe index (conditional complexity)

            extensionDataHex: defaultTo(authenticatorData.extensionDataHex, "No extension data"),
            attestationStatementSummary: attestationStatement.summary,
            attestationStatementChainJSON: attestationStatement.chainJSON,
            attestationStatementHex: attestationStatement.hex
        },
        authenticationData: {