trellis/dist/chunk-UBGUDMUV.js

Agentic State Engine — event-sourced causal graph with branching, decision traces, and realtime sync for AI-native applications

// src/client/reactive.ts
var Signal = class {
  _value;
  _subs = /* @__PURE__ */ new Set();
  constructor(initial) {
    this._value = initial;
  }
  get value() {
    return this._value;
  }
  set value(v) {
    if (Object.is(this._value, v)) return;
    this._value = v;
    for (const fn of this._subs) {
      try {
        fn(v);
      } catch {
      }
    }
  }
  /** Subscribe to changes. Immediately called with current value. */
  subscribe(fn) {
    this._subs.add(fn);
    try {
      fn(this._value);
    } catch {
    }
    return () => {
      this._subs.delete(fn);
    };
  }
  /** Read without tracking. */
  peek() {
    return this._value;
  }
  /** Whether any subscriber is registered. */
  hasSubscribers() {
    return this._subs.size > 0;
  }
};
var BatchSignal = class extends Signal {
  _raf = null;
  constructor(initial) {
    super(initial);
  }
  set value(v) {
    if (Object.is(this.peek(), v)) return;
    if (this._raf !== null) cancelAnimationFrame(this._raf);
    this._raf = requestAnimationFrame(() => {
      this._raf = null;
      super.value = v;
    });
  }
};

export {
  Signal,
  BatchSignal
};