@assistant-ui/react
Version:
TypeScript/React library for AI Chat
39 lines • 1.19 kB
JavaScript
import { BaseSubject } from "./BaseSubject.js";
export class NestedSubscriptionSubject extends BaseSubject {
binding;
get path() {
return this.binding.path;
}
constructor(binding) {
super();
this.binding = binding;
}
getState() {
return this.binding.getState();
}
outerSubscribe(callback) {
return this.binding.subscribe(callback);
}
_connect() {
const callback = () => {
this.notifySubscribers();
};
let lastState = this.binding.getState();
let innerUnsubscribe = lastState?.subscribe(callback);
const onRuntimeUpdate = () => {
const newState = this.binding.getState();
if (newState === lastState)
return;
lastState = newState;
innerUnsubscribe?.();
innerUnsubscribe = this.binding.getState()?.subscribe(callback);
callback();
};
const outerUnsubscribe = this.outerSubscribe(onRuntimeUpdate);
return () => {
outerUnsubscribe?.();
innerUnsubscribe?.();
};
}
}
//# sourceMappingURL=NestedSubscriptionSubject.js.map