sortKeys()
The sortKeys method sorts the collection by the keys of the underlying associative array:
const collection = collect({
id: 10,
first: "Sadio",
last: "Mané"
});
const sorted = collection.sortKeys();
sorted.all();
//=> {
//=> first: 'Sadio',
//=> id: 10,
//=> last: 'Mané',
//=> }