@User try the following and see if it works:

ts
import {ThirdPartyEmailPasswordPreAPIHookContext} from "supertokens-auth-react/recipe/thirdpartyemailpassword"

ThirdPartyEmailPassword.init({
  async preAPIHook(context: ThirdPartyEmailPasswordPreAPIHookContext) {
    // TODO:...
  }
});

Reference code can be found here: https://github.com/supertokens/supertokens-auth-react/blob/master/examples/with-typescript/src/App.tsx#L251