Handling Optional Properties In TypeScript With The Elvis Operator

[!INFO]-
topic: 🦒 TypeScript
links: Interfaces in TypeScript
source: TypeScript course by the native web
tags: #permanent-note #published

Last Modified: =dateformat(this.file.mtime, "MMM. dd, yyyy - HH:mm")

When handling optional parameters in TypeScript, you have to handle cases, where this parameter is not set. You can do this with the Elvis operator ?.

console.log(donuldDuck.middleName?.toLocaleUpperCase());

The code to the right of the ? is only executed, if the property before it is defined.