ok，this is a package what supply signal for asynchronous dependent. Support promise like style and rxjs like style api.
just directly see examples and type declare , you will can use this package.
import { Bellman } from "@mcswift/bellman"
const bellMan = new BellMan<string>();
const sub = bellMan.subscribe((val)=>{
console.log(val)
})
bellMan.resolve("bar");
// will output: "bar"
await bellMan.signal;
// signal is a promise proxy , you can provide it for module which dependent your code.