nrgy/chunk-4OYRW4HC.cjs

The library for reactive programming using efficient computing and MVC/MVVM patterns

"use strict";Object.defineProperty(exports, "__esModule", {value: true});// src/core/common/defaultEquals.ts
var defaultEquals = Object.is;

// src/core/common/symbols.ts
var ATOM_SYMBOL = Symbol.for("ngry.atom");
var SIGNAL_SYMBOL = Symbol.for("ngry.signal");

// src/core/signals/common.ts
function isSignal(value) {
  return typeof value === "function" && SIGNAL_SYMBOL in value;
}
function getSignalNode(value) {
  return value[SIGNAL_SYMBOL];
}
function getSignalName(value) {
  return getSignalNode(value).name;
}
function destroySignal(value) {
  getSignalNode(value).destroy();
}
function isSignalDestroyed(value) {
  return getSignalNode(value).isDestroyed;
}
function isSignalSubscribed(value) {
  return getSignalNode(value).isSubscribed();
}

// src/core/internals/createWeakRef.ts
var LeakyRef = class {
  constructor(target) {
    this.target = target;
  }
  get [Symbol.toStringTag]() {
    return "LeakyRef";
  }
  deref() {
    return this.target;
  }
};
var WeakRefImpl = "WeakRef" in globalThis && globalThis["WeakRef"] ? globalThis.WeakRef : LeakyRef;
function createWeakRef(value) {
  return new WeakRefImpl(value);
}

// src/core/signals/signal.ts
var SignalImpl = class {
  constructor(options) {
    this.ref = createWeakRef(this);
    this.consumerEffects = /* @__PURE__ */ new Set();
    this.isDestroyed = false;
    if (options) {
      this.name = options.name;
      this.sync = options.sync;
      this.onEvent = options.onEvent;
      this.onSubscribe = options.onSubscribe;
      this.onUnsubscribe = options.onUnsubscribe;
      this.onDestroy = options.onDestroy;
    }
  }
  /**
   * Emits a value
   */
  emit(value) {
    var _a;
    if (this.isDestroyed) {
      return;
    }
    (_a = this.onEvent) == null ? void 0 : _a.call(this, value);
    this.producerChanged(value);
  }
  destroy() {
    var _a;
    if (this.isDestroyed) {
      return;
    }
    this.isDestroyed = true;
    this.producerDestroyed();
    this.consumerEffects.clear();
    (_a = this.onDestroy) == null ? void 0 : _a.call(this);
    this.onEvent = void 0;
    this.onSubscribe = void 0;
    this.onUnsubscribe = void 0;
    this.onDestroy = void 0;
  }
  isSubscribed() {
    return this.consumerEffects.size > 0;
  }
  subscribe(effectRef) {
    var _a;
    this.consumerEffects.add(effectRef);
    (_a = this.onSubscribe) == null ? void 0 : _a.call(this);
  }
  unsubscribe(effectRef) {
    var _a;
    if (this.consumerEffects.delete(effectRef)) {
      (_a = this.onUnsubscribe) == null ? void 0 : _a.call(this, this.consumerEffects.size === 0);
    }
  }
  /**
   * Notify all consumers of this producer that its value is changed.
   */
  producerChanged(value) {
    var _a;
    if (this.consumerEffects.size === 0) {
      return;
    }
    let hasDeletion = false;
    for (const effectRef of this.consumerEffects) {
      const effect2 = effectRef.deref();
      if (!effect2 || effect2.isDestroyed) {
        hasDeletion = true;
        this.consumerEffects.delete(effectRef);
        continue;
      }
      effect2.notify(value);
    }
    if (hasDeletion) {
      (_a = this.onUnsubscribe) == null ? void 0 : _a.call(this, this.consumerEffects.size === 0);
    }
  }
  /**
   * Notify all consumers of this producer that it is destroyed
   */
  producerDestroyed() {
    for (const effectRef of this.consumerEffects) {
      const effect2 = effectRef.deref();
      if (effect2 && !effect2.isDestroyed) {
        effect2.notifyDestroy();
      }
    }
  }
};
var signal = (options) => {
  const node = new SignalImpl(options);
  const result = (value) => node.emit(value);
  result[SIGNAL_SYMBOL] = node;
  return result;
};

// src/core/internals/nextSafeInteger.ts
function nextSafeInteger(value) {
  return value < Number.MAX_SAFE_INTEGER ? value + 1 : Number.MIN_SAFE_INTEGER;
}

// src/core/atoms/atom.ts
var ATOM_ID = 0;
function generateAtomId() {
  return ATOM_ID = nextSafeInteger(ATOM_ID);
}
function isAtom(value) {
  return typeof value === "function" && ATOM_SYMBOL in value && value[ATOM_SYMBOL] !== void 0;
}
function getAtomNode(value) {
  return value[ATOM_SYMBOL];
}
function getAtomName(value) {
  return getAtomNode(value).name;
}
function createAtomFromFunction(node, fn, extraApi = {}) {
  fn[ATOM_SYMBOL] = node;
  return Object.assign(fn, extraApi);
}
var AtomUpdateError = class extends Error {
  constructor(name) {
    super(
      "Atom cannot be updated in tracked context" + (name ? ` (${name})` : "")
    );
    this.name = "AtomUpdateError";
  }
};

// src/core/internals/queue.ts
function createQueue() {
  let head;
  let tail;
  return {
    isEmpty() {
      return !head;
    },
    get() {
      const entry = head;
      if (entry) {
        const next = head = entry.next;
        if (!next) tail = void 0;
        return entry.item;
      }
      return void 0;
    },
    add(item) {
      const entry = { item };
      if (tail) {
        tail.next = entry;
      } else {
        head = entry;
      }
      tail = entry;
    }
  };
}

// src/core/internals/reportError.ts
var nrgyReportError = "reportError" in globalThis && typeof globalThis.reportError === "function" ? globalThis.reportError : () => void 0;

// src/core/internals/schedulers.ts
function createMicrotaskScheduler(options) {
  var _a;
  const onError = (_a = options == null ? void 0 : options.onError) != null ? _a : nrgyReportError;
  const queue = createQueue();
  let isActive = false;
  let isPaused = false;
  const execute = () => {
    if (isActive) return;
    isActive = true;
    let action;
    while (!isPaused && (action = queue.get())) {
      try {
        action();
      } catch (error) {
        onError(error);
      }
    }
    isActive = false;
  };
  return {
    isEmpty: () => queue.isEmpty(),
    schedule: (entry) => {
      const prevEmpty = queue.isEmpty();
      queue.add(entry);
      if (prevEmpty && !isActive) {
        queueMicrotask(execute);
      }
    },
    execute,
    pause: () => {
      isPaused = true;
    },
    resume: () => {
      isPaused = false;
      if (!queue.isEmpty()) {
        queueMicrotask(execute);
      }
    }
  };
}
function createSyncTaskScheduler(options) {
  var _a;
  const onError = (_a = options == null ? void 0 : options.onError) != null ? _a : nrgyReportError;
  const queue = createQueue();
  let isActive = false;
  let isPaused = false;
  const execute = () => {
    if (isActive) return;
    isActive = true;
    let action;
    while (!isPaused && (action = queue.get())) {
      try {
        action();
      } catch (error) {
        onError(error);
      }
    }
    isActive = false;
  };
  return {
    isEmpty: () => queue.isEmpty(),
    schedule: (entry) => {
      queue.add(entry);
      if (!isActive) execute();
    },
    execute,
    pause: () => {
      isPaused = true;
    },
    resume: () => {
      isPaused = false;
      if (!queue.isEmpty()) {
        execute();
      }
    }
  };
}

// src/core/internals/runtime.ts
var Runtime = class {
  constructor() {
    this.asyncScheduler = createMicrotaskScheduler();
    this.syncScheduler = createSyncTaskScheduler();
    this.currentEffect = void 0;
    /** @readonly */
    this.batchLock = 0;
    /**
     * Marks the current computation context as tracked
     */
    this.tracked = false;
    /**
     * @readonly
     * The current global clock of changed atoms.
     */
    this.clock = 0;
  }
  /**
   * Updates the global clock of changed atoms
   */
  updateAtomClock() {
    this.clock = nextSafeInteger(this.clock);
  }
  /**
   * Run a function in a tracked context
   */
  runAsTracked(effect2, fn) {
    const prevEffect = this.currentEffect;
    this.currentEffect = effect2;
    const prevTracked = this.tracked;
    this.tracked = true;
    try {
      return fn();
    } finally {
      this.currentEffect = prevEffect;
      this.tracked = prevTracked;
    }
  }
  /**
   * Run a function in an untracked context
   */
  runAsUntracked(fn) {
    const prevEffect = this.currentEffect;
    this.currentEffect = void 0;
    const prevTracked = this.tracked;
    this.tracked = false;
    try {
      return fn();
    } finally {
      this.currentEffect = prevEffect;
      this.tracked = prevTracked;
    }
  }
  batch(fn) {
    try {
      this.batchLock++;
      if (this.batchLock === 1) {
        this.syncScheduler.pause();
        this.asyncScheduler.pause();
      }
      return fn();
    } finally {
      this.batchLock--;
      if (this.batchLock === 0) {
        this.syncScheduler.resume();
        this.asyncScheduler.resume();
      }
    }
  }
};
var RUNTIME = new Runtime();

// src/core/atoms/compute.ts
function compute(computation, options) {
  const node = new ComputedImpl(computation, options);
  return createAtomFromFunction(node, node.get.bind(node));
}
var UNSET = Symbol("UNSET");
var COMPUTING = Symbol("COMPUTING");
var ERRORED = Symbol("ERRORED");
var ComputedImpl = class {
  constructor(computation, options) {
    this.computation = computation;
    this.id = generateAtomId();
    this.clock = void 0;
    this.version = 0;
    /**
     * Current value of the computation.
     *
     * This can also be one of the special values `UNSET`, `COMPUTING`, or `ERRORED`.
     */
    this.value = UNSET;
    /**
     * If `value` is `ERRORED`, the error caught from the last computation attempt which will
     * be re-thrown.
     */
    this.error = void 0;
    var _a;
    this.name = options == null ? void 0 : options.name;
    this.equal = (_a = options == null ? void 0 : options.equal) != null ? _a : defaultEquals;
  }
  destroy() {
    this.value = UNSET;
    this.lastEffectRef = void 0;
  }
  get() {
    this.accessValue();
    if (this.value === ERRORED) {
      throw this.error;
    }
    return this.value;
  }
  accessValue() {
    if (this.value === COMPUTING) {
      throw new Error("Detected cycle in computations");
    }
    const activeEffect = RUNTIME.currentEffect;
    const isStale = this.clock !== RUNTIME.clock || this.value === UNSET || activeEffect && this.lastEffectRef !== activeEffect.ref;
    if (isStale) {
      this.lastEffectRef = activeEffect == null ? void 0 : activeEffect.ref;
      this.recomputeValue();
    }
  }
  recomputeValue() {
    const oldValue = this.value;
    this.value = COMPUTING;
    let newValue;
    try {
      newValue = this.computation();
    } catch (err) {
      newValue = ERRORED;
      this.error = err;
    }
    this.clock = RUNTIME.clock;
    if (oldValue === UNSET || oldValue === ERRORED || newValue === ERRORED || !this.equal(oldValue, newValue)) {
      this.value = newValue;
      this.version = nextSafeInteger(this.version);
    } else {
      this.value = oldValue;
    }
  }
};

// src/core/utils/combineAtoms.ts
function combineAtoms(sources, options) {
  return compute(
    () => sources.map((source) => source()),
    options
  );
}

// src/core/scope/scopeDestructionError.ts
var ScopeDestructionError = class extends Error {
  constructor(errors) {
    super();
    this.name = "ScopeDestructionError";
    this.errors = errors;
  }
};

// src/core/internals/isPromise.ts
function isPromise(value) {
  return typeof (value == null ? void 0 : value.then) === "function";
}

// src/core/internals/list.ts
function removeFromList(head, predicate) {
  const root = { next: head };
  let node = root;
  while (node.next) {
    if (node.next && predicate(node.next)) {
      node.next = node.next.next;
    } else {
      node = node.next;
    }
  }
  return root.next;
}

// src/core/scope/baseScope.ts
var BaseScope = class {
  /**
   * Registers a callback or unsubscribable resource which will be called when `destroy()` is called
   */
  onDestroy(teardown) {
    this.subscriptions = { teardown, next: this.subscriptions };
  }
  /**
   * Registers an unsubscribable resource which will be called when `destroy()` is called
   */
  add(resource) {
    this.subscriptions = { teardown: resource, next: this.subscriptions };
    return resource;
  }
  /**
   * Destroys the scope
   */
  destroy() {
    if (!this.subscriptions) {
      return;
    }
    let errors;
    let list = this.subscriptions;
    this.subscriptions = void 0;
    while (list) {
      const { teardown } = list;
      try {
        if ("unsubscribe" in teardown) {
          teardown.unsubscribe();
        } else if ("destroy" in teardown) {
          teardown.destroy();
        } else {
          teardown();
        }
      } catch (error) {
        if (!errors) {
          errors = [];
        }
        errors.push(error);
      }
      list = list.next;
    }
    if (errors) {
      throw new ScopeDestructionError(errors);
    }
  }
};

// src/core/effects/effectId.ts
var EFFECT_ID = 0;
function generateEffectId() {
  return EFFECT_ID = nextSafeInteger(EFFECT_ID);
}

// src/core/effects/atomEffect.ts
var AtomEffect = class {
  constructor(scheduler, source, action) {
    this.id = generateEffectId();
    this.ref = createWeakRef(this);
    /** Monotonically increasing version of the effect */
    this.clock = 0;
    /** Whether the effect needs to be re-run */
    this.dirty = false;
    /** Whether the effect has been destroyed */
    this.isDestroyed = false;
    /**
     * Signals a result of the action function
     */
    this.onResult = signal();
    /**
     * Signals an error which occurred in the execution of the action function
     */
    this.onError = signal({ sync: true });
    /**
     * Signals that the effect has been destroyed
     */
    this.onDestroy = signal({ sync: true });
    this.scheduler = scheduler;
    this.action = action;
    this.source = source;
  }
  /**
   * Destroys the effect
   */
  destroy() {
    var _a;
    if (this.isDestroyed) {
      return;
    }
    this.isDestroyed = true;
    this.scheduler = void 0;
    this.source = void 0;
    this.action = void 0;
    this.referredAtomIds = void 0;
    (_a = this.actionScope) == null ? void 0 : _a.destroy();
    this.actionScope = void 0;
    this.actionContext = void 0;
    this.onDestroy();
    destroySignal(this.onResult);
    destroySignal(this.onError);
    destroySignal(this.onDestroy);
  }
  hasReferredAtom(atomId) {
    for (let node = this.referredAtomIds; node; node = node.next) {
      if (node.atomId === atomId) {
        return true;
      }
    }
    return false;
  }
  addReferredAtom(atomId) {
    if (!this.hasReferredAtom(atomId)) {
      this.referredAtomIds = { atomId, next: this.referredAtomIds };
    }
  }
  removeReferredAtom(atomId) {
    if (!this.referredAtomIds) {
      return;
    }
    this.referredAtomIds = removeFromList(
      this.referredAtomIds,
      (node) => node.atomId === atomId
    );
  }
  /**
   * Notify the effect that an atom has been accessed
   */
  notifyAccess(atomId) {
    if (this.isDestroyed) {
      return;
    }
    this.addReferredAtom(atomId);
  }
  /**
   * Schedule the effect to be re-run
   */
  notify() {
    if (this.isDestroyed) {
      return;
    }
    this.clock = nextSafeInteger(this.clock);
    const needsSchedule = !this.dirty;
    this.dirty = true;
    if (needsSchedule && this.scheduler) {
      this.scheduler.schedule(() => this.run());
    }
  }
  /**
   * Notify the effect that it must be destroyed
   */
  notifyDestroy(atomId) {
    if (this.isDestroyed) {
      return;
    }
    this.removeReferredAtom(atomId);
    if (!this.referredAtomIds) {
      this.destroy();
    }
  }
  /**
   * Execute the reactive expression in the context of this `AtomEffect`.
   *
   * Should be called by the user scheduling algorithm when the provided
   * `scheduler` TaskScheduler is called.
   */
  run() {
    var _a;
    if (!this.dirty) {
      return;
    }
    this.dirty = false;
    if (this.isDestroyed || !this.action || !this.source) {
      return;
    }
    let result;
    try {
      const value = RUNTIME.runAsTracked(this, this.source);
      const node = getAtomNode(this.source);
      if (this.lastValueVersion === node.version) {
        return;
      }
      this.lastValueVersion = node.version;
      (_a = this.actionScope) == null ? void 0 : _a.destroy();
      result = this.action(value, this.getContext());
    } catch (error) {
      this.onError(error);
    }
    if (isPromise(result)) {
      result.then((value) => this.onResult(value)).catch((error) => this.onError(error));
    } else {
      this.onResult(result);
    }
  }
  getContext() {
    if (!this.actionContext) {
      this.actionContext = {
        cleanup: (callback) => {
          if (!this.actionScope) {
            this.actionScope = new BaseScope();
          }
          this.actionScope.onDestroy(callback);
        }
      };
    }
    return this.actionContext;
  }
};

// src/core/effects/signalEffect.ts
var SignalEffect = class {
  constructor(scheduler, action) {
    this.ref = createWeakRef(this);
    this.isDestroyed = false;
    /**
     * Signals a result of the action function
     */
    this.onResult = signal();
    /**
     * Signals an error which occurred in the execution of the action function
     */
    this.onError = signal({ sync: true });
    /**
     * Signals that the effect has been destroyed
     */
    this.onDestroy = signal({ sync: true });
    this.scheduler = scheduler;
    this.action = action;
  }
  /**
   * Destroys the effect
   */
  destroy() {
    var _a;
    this.isDestroyed = true;
    this.scheduler = void 0;
    this.action = void 0;
    (_a = this.actionScope) == null ? void 0 : _a.destroy();
    this.actionScope = void 0;
    this.actionContext = void 0;
    this.onDestroy();
    destroySignal(this.onResult);
    destroySignal(this.onError);
    destroySignal(this.onDestroy);
  }
  /**
   * Schedule the effect to be run
   */
  notify(value) {
    if (!this.isDestroyed && this.scheduler) {
      this.scheduler.schedule(() => this.run(value));
    }
  }
  /**
   * Notify the effect that it must be destroyed
   */
  notifyDestroy() {
    if (this.isDestroyed) {
      return;
    }
    this.destroy();
  }
  /**
   * Execute the subscriber's action in the context of this effect.
   *
   * Should be called by the user scheduling algorithm when the provided
   * `scheduler` TaskScheduler is called.
   */
  run(value) {
    var _a;
    if (this.isDestroyed || !this.action) {
      return;
    }
    try {
      (_a = this.actionScope) == null ? void 0 : _a.destroy();
      const result = this.action(value, this.getContext());
      if (isPromise(result)) {
        result.then((result2) => {
          this.onResult(result2);
        }).catch((error) => {
          this.onError(error);
        });
      } else {
        this.onResult(result);
      }
    } catch (error) {
      this.onError(error);
    }
  }
  getContext() {
    if (!this.actionContext) {
      this.actionContext = {
        cleanup: (callback) => {
          if (!this.actionScope) {
            this.actionScope = new BaseScope();
          }
          this.actionScope.onDestroy(callback);
        }
      };
    }
    return this.actionContext;
  }
};

// src/core/effects/effect.ts
var effect = (source, action, options) => {
  let scheduler = (options == null ? void 0 : options.sync) ? RUNTIME.syncScheduler : RUNTIME.asyncScheduler;
  if (isSignal(source)) {
    const node = getSignalNode(source);
    if (node.sync) {
      scheduler = RUNTIME.syncScheduler;
    }
    const signalEffect = new SignalEffect(scheduler, action);
    const nodeRef = node.ref;
    node.subscribe(signalEffect.ref);
    return {
      onResult: signalEffect.onResult,
      onError: signalEffect.onError,
      onDestroy: signalEffect.onDestroy,
      destroy: () => {
        var _a;
        (_a = nodeRef.deref()) == null ? void 0 : _a.unsubscribe(signalEffect.ref);
        signalEffect.destroy();
      }
    };
  }
  if (isAtom(source)) {
    const atomEffect = new AtomEffect(scheduler, source, action);
    atomEffect.notify();
    return {
      onResult: atomEffect.onResult,
      onError: atomEffect.onError,
      onDestroy: atomEffect.onDestroy,
      destroy: () => atomEffect.destroy()
    };
  }
  if (Array.isArray(source)) {
    const list = combineAtoms(source);
    return effect(list, action, options);
  }
  throw new Error("Unexpected the first argument");
};
var syncEffect = (source, action, options) => {
  return effect(source, action, { sync: true, ...options });
};

// src/core/atoms/writableAtom.ts
var WritableAtomImpl = class {
  constructor(value, options) {
    this.value = value;
    this.id = generateAtomId();
    this.version = 0;
    /**
     * Signals that the effect has been destroyed
     */
    this.onDestroyed = signal({ sync: true });
    this.consumerEffects = /* @__PURE__ */ new Map();
    this.isDestroyed = false;
    var _a;
    this.name = options == null ? void 0 : options.name;
    this.equal = (_a = options == null ? void 0 : options.equal) != null ? _a : defaultEquals;
    if (options == null ? void 0 : options.onDestroy) {
      syncEffect(this.onDestroyed, options.onDestroy);
    }
  }
  get() {
    if (!this.isDestroyed) {
      this.producerAccessed();
    }
    return this.value;
  }
  /**
   * Directly update the value of the atom to a new value, which may or may not be
   * equal to the previous.
   *
   * In the event that `newValue` is semantically equal to the current value, `set` is
   * a no-op.
   *
   * Returns `true` if the value was changed.
   */
  set(newValue) {
    if (this.isDestroyed) {
      return false;
    }
    this.producerBeforeChange();
    if (this.equal(this.value, newValue)) {
      return false;
    }
    this.value = newValue;
    this.producerChanged();
    return true;
  }
  /**
   * Derive a new value for the atom from its current value using the `updater` function.
   *
   * This is equivalent to calling `set` on the result of running `updater` on the current
   * value.
   *
   * Returns `true` if the value was changed.
   */
  update(updater) {
    return this.set(updater(this.value));
  }
  /**
   * Calls `mutator` on the current value and assumes that it has been mutated.
   */
  mutate(mutator) {
    if (this.isDestroyed) {
      return;
    }
    this.producerBeforeChange();
    mutator(this.value);
    this.producerChanged();
  }
  asReadonly() {
    if (this.readonlyAtom === void 0) {
      this.readonlyAtom = createAtomFromFunction(this, () => this.get());
    }
    return this.readonlyAtom;
  }
  destroy() {
    if (this.isDestroyed) {
      return;
    }
    this.producerDestroyed();
    this.consumerEffects.clear();
    this.onDestroyed();
    destroySignal(this.onDestroyed);
    this.isDestroyed = true;
  }
  /**
   * Checks if the atom can be updated in the current context
   */
  producerBeforeChange() {
    if (RUNTIME.tracked) {
      throw new AtomUpdateError(this.name);
    }
  }
  /**
   * Notify all consumers of this producer that its value is changed.
   */
  producerChanged() {
    RUNTIME.updateAtomClock();
    this.version = nextSafeInteger(this.version);
    for (const [effectRef, atEffectClock] of this.consumerEffects) {
      const effect2 = effectRef.deref();
      if (!effect2 || effect2.isDestroyed || !effect2.dirty && effect2.clock !== atEffectClock) {
        this.consumerEffects.delete(effectRef);
        continue;
      }
      effect2.notify();
    }
  }
  /**
   * Notify all consumers of this producer that it is destroyed
   */
  producerDestroyed() {
    for (const [effectRef] of this.consumerEffects) {
      const effect2 = effectRef.deref();
      if (effect2 && !effect2.isDestroyed) {
        effect2.notifyDestroy(this.id);
      }
    }
  }
  /**
   * Mark that this producer node has been accessed in the current reactive context.
   */
  producerAccessed() {
    if (!RUNTIME.tracked) {
      return;
    }
    const effect2 = RUNTIME.currentEffect;
    if (effect2 && !effect2.isDestroyed) {
      this.consumerEffects.set(effect2.ref, effect2.clock);
      effect2.notifyAccess(this.id);
    }
  }
};
var atom = (initialValue, options) => {
  const node = new WritableAtomImpl(initialValue, options);
  const result = createAtomFromFunction(
    node,
    node.get.bind(node),
    {
      onDestroyed: node.onDestroyed,
      set: node.set.bind(node),
      update: node.update.bind(node),
      mutate: node.mutate.bind(node),
      asReadonly: node.asReadonly.bind(node),
      destroy: node.destroy.bind(node)
    }
  );
  return result;
};

// src/core/store/store.ts
function declareStateUpdates(stateExample, updates) {
  if (updates) {
    return updates;
  }
  return (updates2) => updates2;
}
function createStore(initialState, options) {
  const store = atom(initialState, options);
  store.updates = createStoreUpdates(
    store.update,
    options.updates
  );
  return store;
}
function createStoreUpdates(atomUpdate, stateUpdates) {
  const updates = {};
  Object.entries(stateUpdates).forEach(([key, mutationFactory]) => {
    updates[key] = (...args) => {
      const mutation = mutationFactory(...args);
      atomUpdate(mutation);
    };
  });
  return updates;
}

// src/core/store/declareStore.ts
function declareStore(storeOptions) {
  const { initialState, updates, options } = storeOptions;
  function factory(customInitialState, customOptions) {
    const state = customInitialState === void 0 ? initialState : typeof customInitialState === "function" ? customInitialState(initialState) : customInitialState;
    const store = createStore(state, { ...options, ...customOptions, updates });
    return store;
  }
  Object.assign(factory, { initialState, updates });
  return factory;
}


























exports.defaultEquals = defaultEquals; exports.isSignal = isSignal; exports.getSignalName = getSignalName; exports.destroySignal = destroySignal; exports.isSignalDestroyed = isSignalDestroyed; exports.isSignalSubscribed = isSignalSubscribed; exports.signal = signal; exports.isAtom = isAtom; exports.getAtomNode = getAtomNode; exports.getAtomName = getAtomName; exports.createAtomFromFunction = createAtomFromFunction; exports.AtomUpdateError = AtomUpdateError; exports.RUNTIME = RUNTIME; exports.compute = compute; exports.combineAtoms = combineAtoms; exports.ScopeDestructionError = ScopeDestructionError; exports.BaseScope = BaseScope; exports.effect = effect; exports.syncEffect = syncEffect; exports.atom = atom; exports.declareStateUpdates = declareStateUpdates; exports.createStore = createStore; exports.createStoreUpdates = createStoreUpdates; exports.declareStore = declareStore;