> Or if you need to check if the array has exactly 3 items. How would you do that in TS? Like that: https://www.typescriptlang.org/play?#code/C4TwDgpgBAKgFgJwh

> Or if you need to check if the array has exactly 3 items. How would you do that in TS? Like that: https://www.typescriptlang.org/play?#code/C4TwDgpgBAKgFgJwhAksCBbAzlAvFAbS2AQEsA7AcwBopiyrb6LKBdAKHYGMB7c4qBQBuAQwA2pACYAuWImRpMOfAQBEIrJNW1VkiADNVHXv2BRREmXKSp02PIXWbtUXQZerSAKwDWRoA https://www.typescriptlang.org/play?#code/C4TwDgpgBAKgFgJwhA...