Interactive Lab
Explicit Resource Management & Promise Resolvers
Coordinate scope-bound disposables with TS6 "using" and decouple async pipelines with Promise.withResolvers.
resource-lifecycle.ts
// 1. Explicit Resource Management (TS6 / ES2026)
class StreamSession implements Disposable {
public id = crypto.randomUUID().slice(0, 8);
public active = true;
[Symbol.dispose]() {
this.active = false; // Auto-teardown when exiting block scope
}
}
// 2. Promise.withResolvers() for decoupled async flows
const { promise, resolve, reject } = Promise.withResolvers<string>();
function triggerExternalEvent(data: string) {
resolve(data); // Externally fulfill without wrapping in new Promise()
}Key Mechanics
- using (Symbol.dispose): Scoped deterministic teardown for sockets, locks, and buffers.
- Promise.withResolvers(): Direct access to resolve/reject capabilities without wrapper closures.
Scoped Resource Allocator
Idle
No active resource scopes initialized.
Promise.withResolvers Controller Status: idle
Buffer:
Idle