No idea why this doesn't seem to be a thing, so I made it a thing. Like I had to make every other thing have good dx. I'm so tired.
It's basically an auto-generated .d.ts file for the ethereum provider requests.
Imagine actually wanting your IDE to auto-complete things when you type window.ethereum.
npm install @crownfi/ethereum-rpc-types
import "@crownfi/ethereum-rpc-types";
window.ethereum; // Wow, there's something actually here now with useful autocomplete!
// You can also check EthereumRpcErrorsOf<"eth_method_here">
you npm install && npm run codegen, and do stuff that makes tsc stop throwing a tantrum like removing duplicate types, it takes less effort to do that than to make the script completely flawless. This grabs the latest methods from metamask opengrpscspsdmkejhkgjhklsdbfgjhklsdfg