Axel Rauschmayer on Nostr: #TypeScript helper function to safely access objects used as dictionaries: function ...

#TypeScript helper function to safely access objects used as dictionaries:

function getOwn<K extends string | number | symbol, V>(obj: Record<K, V>, key: K): undefined | V {
if (!Object.hasOwn(obj, key)) {
return undefined;
}
return obj[key];
}