if you're just trying to initialize a new Array, you can just hardcode it and get much better performance. https://www.measurethat.net/Benchmarks/Show/29982/0/hardcode...

This isn't necesarrily unknown, but knowing that there's a cost associated with promises and async/await will get you pretty far in terms of performance. I remember the idea first clicking when I watched this : https://www.youtube.com/watch?v=SMBvjmeOotA