With the same idea but more minimalistic, I have done Swap JS two years ago : https://github.com/josephernest/Swap https://github.com/josephernest/Swap Used i

With the same idea but more minimalistic, I have done Swap JS two years ago : https://github.com/josephernest/Swap https://github.com/josephernest/Swap Used it for a few projects it works well !