Eslint Parsing error: Unexpected token

[SValac]

Getting esling error "Parsing error: Unexpected token ?"

const { isStreaming = false } = defineProps<{
	isStreaming?: boolean;
}>();

Getting esling error "Parsing error: Unexpected token :"

function handleSendMessage(message: string) {
	sendMessage(message);
}

[tesla3327]

@SValac On which lesson is this?