var VueReactivity = (function (exports) {
  'use strict';

  function makeMap(str, expectsLowerCase) {
    const map = /* @__PURE__ */ Object.create(null);
    const list = str.split(",");
    for (let i = 0; i < list.length; i++) {
      map[list[i]] = true;
    }
    return expectsLowerCase ? (val) => !!map[val.toLowerCase()] : (val) => !!map[val];
  }

  const extend = Object.assign;
  const hasOwnProperty$1 = Object.prototype.hasOwnProperty;
  const hasOwn = (val, key) => hasOwnProperty$1.call(val, key);
  const isArray = Array.isArray;
  const isMap = (val) => toTypeString(val) === "[object Map]";
  const isFunction = (val) => typeof val === "function";
  const isString = (val) => typeof val === "string";
  const isSymbol = (val) => typeof val === "symbol";
  const isObject = (val) => val !== null && typeof val === "object";
  const objectToString = Object.prototype.toString;
  const toTypeString = (value) => objectToString.call(value);
  const toRawType = (value) => {
    return toTypeString(value).slice(8, -1);
  };
  const isIntegerKey = (key) => isString(key) && key !== "NaN" && key[0] !== "-" && "" + parseInt(key, 10) === key;
  const cacheStringFunction = (fn) => {
    const cache = /* @__PURE__ */ Object.create(null);
    return (str) => {
      const hit = cache[str];
      return hit || (cache[str] = fn(str));
    };
  };
  const capitalize = cacheStringFunction((str) => {
    return str.charAt(0).toUpperCase() + str.slice(1);
  });
  const hasChanged = (value, oldValue) => !Object.is(value, oldValue);
  const def = (obj, key, value) => {
    Object.defineProperty(obj, key, {
      configurable: true,
      enumerable: false,
      value
    });
  };

  function warn(msg, ...args) {
    console.warn(`[Vue warn] ${msg}`, ...args);
  }

  let activeEffectScope;
  class EffectScope {
    constructor(detached = false) {
      this.detached = detached;
      /**
       * @internal
       */
      this._active = true;
      /**
       * @internal
       */
      this.effects = [];
      /**
       * @internal
       */
      this.cleanups = [];
      this.parent = activeEffectScope;
      if (!detached && activeEffectScope) {
        this.index = (activeEffectScope.scopes || (activeEffectScope.scopes = [])).push(
          this
        ) - 1;
      }
    }
    get active() {
      return this._active;
    }
    run(fn) {
      if (this._active) {
        const currentEffectScope = activeEffectScope;
        try {
          activeEffectScope = this;
          return fn();
        } finally {
          activeEffectScope = currentEffectScope;
        }
      } else {
        warn(`cannot run an inactive effect scope.`);
      }
    }
    /**
     * This should only be called on non-detached scopes
     * @internal
     */
    on() {
      activeEffectScope = this;
    }
    /**
     * This should only be called on non-detached scopes
     * @internal
     */
    off() {
      activeEffectScope = this.parent;
    }
    stop(fromParent) {
      if (this._active) {
        let i, l;
        for (i = 0, l = this.effects.length; i < l; i++) {
          this.effects[i].stop();
        }
        for (i = 0, l = this.cleanups.length; i < l; i++) {
          this.cleanups[i]();
        }
        if (this.scopes) {
          for (i = 0, l = this.scopes.length; i < l; i++) {
            this.scopes[i].stop(true);
          }
        }
        if (!this.detached && this.parent && !fromParent) {
          const last = this.parent.scopes.pop();
          if (last && last !== this) {
            this.parent.scopes[this.index] = last;
            last.index = this.index;
          }
        }
        this.parent = void 0;
        this._active = false;
      }
    }
  }
  function effectScope(detached) {
    return new EffectScope(detached);
  }
  function recordEffectScope(effect, scope = activeEffectScope) {
    if (scope && scope.active) {
      scope.effects.push(effect);
    }
  }
  function getCurrentScope() {
    return activeEffectScope;
  }
  function onScopeDispose(fn) {
    if (activeEffectScope) {
      activeEffectScope.cleanups.push(fn);
    } else {
      warn(
        `onScopeDispose() is called when there is no active effect scope to be associated with.`
      );
    }
  }

  const createDep = (effects) => {
    const dep = new Set(effects);
    dep.w = 0;
    dep.n = 0;
    return dep;
  };
  const wasTracked = (dep) => (dep.w & trackOpBit) > 0;
  const newTracked = (dep) => (dep.n & trackOpBit) > 0;
  const initDepMarkers = ({ deps }) => {
    if (deps.length) {
      for (let i = 0; i < deps.length; i++) {
        deps[i].w |= trackOpBit;
      }
    }
  };
  const finalizeDepMarkers = (effect) => {
    const { deps } = effect;
    if (deps.length) {
      let ptr = 0;
      for (let i = 0; i < deps.length; i++) {
        const dep = deps[i];
        if (wasTracked(dep) && !newTracked(dep)) {
          dep.delete(effect);
        } else {
          deps[ptr++] = dep;
        }
        dep.w &= ~trackOpBit;
        dep.n &= ~trackOpBit;
      }
      deps.length = ptr;
    }
  };

  const targetMap = /* @__PURE__ */ new WeakMap();
  let effectTrackDepth = 0;
  let trackOpBit = 1;
  const maxMarkerBits = 30;
  let activeEffect;
  const ITERATE_KEY = Symbol("iterate" );
  const MAP_KEY_ITERATE_KEY = Symbol("Map key iterate" );
  class ReactiveEffect {
    constructor(fn, scheduler = null, scope) {
      this.fn = fn;
      this.scheduler = scheduler;
      this.active = true;
      this.deps = [];
      this.parent = void 0;
      recordEffectScope(this, scope);
    }
    run() {
      if (!this.active) {
        return this.fn();
      }
      let parent = activeEffect;
      let lastShouldTrack = shouldTrack;
      while (parent) {
        if (parent === this) {
          return;
        }
        parent = parent.parent;
      }
      try {
        this.parent = activeEffect;
        activeEffect = this;
        shouldTrack = true;
        trackOpBit = 1 << ++effectTrackDepth;
        if (effectTrackDepth <= maxMarkerBits) {
          initDepMarkers(this);
        } else {
          cleanupEffect(this);
        }
        return this.fn();
      } finally {
        if (effectTrackDepth <= maxMarkerBits) {
          finalizeDepMarkers(this);
        }
        trackOpBit = 1 << --effectTrackDepth;
        activeEffect = this.parent;
        shouldTrack = lastShouldTrack;
        this.parent = void 0;
        if (this.deferStop) {
          this.stop();
        }
      }
    }
    stop() {
      if (activeEffect === this) {
        this.deferStop = true;
      } else if (this.active) {
        cleanupEffect(this);
        if (this.onStop) {
          this.onStop();
        }
        this.active = false;
      }
    }
  }
  function cleanupEffect(effect2) {
    const { deps } = effect2;
    if (deps.length) {
      for (let i = 0; i < deps.length; i++) {
        deps[i].delete(effect2);
      }
      deps.length = 0;
    }
  }
  function effect(fn, options) {
    if (fn.effect instanceof ReactiveEffect) {
      fn = fn.effect.fn;
    }
    const _effect = new ReactiveEffect(fn);
    if (options) {
      extend(_effect, options);
      if (options.scope)
        recordEffectScope(_effect, options.scope);
    }
    if (!options || !options.lazy) {
      _effect.run();
    }
    const runner = _effect.run.bind(_effect);
    runner.effect = _effect;
    return runner;
  }
  function stop(runner) {
    runner.effect.stop();
  }
  let shouldTrack = true;
  const trackStack = [];
  function pauseTracking() {
    trackStack.push(shouldTrack);
    shouldTrack = false;
  }
  function enableTracking() {
    trackStack.push(shouldTrack);
    shouldTrack = true;
  }
  function resetTracking() {
    const last = trackStack.pop();
    shouldTrack = last === void 0 ? true : last;
  }
  function track(target, type, key) {
    if (shouldTrack && activeEffect) {
      let depsMap = targetMap.get(target);
      if (!depsMap) {
        targetMap.set(target, depsMap = /* @__PURE__ */ new Map());
      }
      let dep = depsMap.get(key);
      if (!dep) {
        depsMap.set(key, dep = createDep());
      }
      const eventInfo = { effect: activeEffect, target, type, key } ;
      trackEffects(dep, eventInfo);
    }
  }
  function trackEffects(dep, debuggerEventExtraInfo) {
    let shouldTrack2 = false;
    if (effectTrackDepth <= maxMarkerBits) {
      if (!newTracked(dep)) {
        dep.n |= trackOpBit;
        shouldTrack2 = !wasTracked(dep);
      }
    } else {
      shouldTrack2 = !dep.has(activeEffect);
    }
    if (shouldTrack2) {
      dep.add(activeEffect);
      activeEffect.deps.push(dep);
      if (activeEffect.onTrack) {
        activeEffect.onTrack(
          extend(
            {
              effect: activeEffect
            },
            debuggerEventExtraInfo
          )
        );
      }
    }
  }
  function trigger(target, type, key, newValue, oldValue, oldTarget) {
    const depsMap = targetMap.get(target);
    if (!depsMap) {
      return;
    }
    let deps = [];
    if (type === "clear") {
      deps = [...depsMap.values()];
    } else if (key === "length" && isArray(target)) {
      const newLength = Number(newValue);
      depsMap.forEach((dep, key2) => {
        if (key2 === "length" || !isSymbol(key2) && key2 >= newLength) {
          deps.push(dep);
        }
      });
    } else {
      if (key !== void 0) {
        deps.push(depsMap.get(key));
      }
      switch (type) {
        case "add":
          if (!isArray(target)) {
            deps.push(depsMap.get(ITERATE_KEY));
            if (isMap(target)) {
              deps.push(depsMap.get(MAP_KEY_ITERATE_KEY));
            }
          } else if (isIntegerKey(key)) {
            deps.push(depsMap.get("length"));
          }
          break;
        case "delete":
          if (!isArray(target)) {
            deps.push(depsMap.get(ITERATE_KEY));
            if (isMap(target)) {
              deps.push(depsMap.get(MAP_KEY_ITERATE_KEY));
            }
          }
          break;
        case "set":
          if (isMap(target)) {
            deps.push(depsMap.get(ITERATE_KEY));
          }
          break;
      }
    }
    const eventInfo = { target, type, key, newValue, oldValue, oldTarget } ;
    if (deps.length === 1) {
      if (deps[0]) {
        {
          triggerEffects(deps[0], eventInfo);
        }
      }
    } else {
      const effects = [];
      for (const dep of deps) {
        if (dep) {
          effects.push(...dep);
        }
      }
      {
        triggerEffects(createDep(effects), eventInfo);
      }
    }
  }
  function triggerEffects(dep, debuggerEventExtraInfo) {
    const effects = isArray(dep) ? dep : [...dep];
    for (const effect2 of effects) {
      if (effect2.computed) {
        triggerEffect(effect2, debuggerEventExtraInfo);
      }
    }
    for (const effect2 of effects) {
      if (!effect2.computed) {
        triggerEffect(effect2, debuggerEventExtraInfo);
      }
    }
  }
  function triggerEffect(effect2, debuggerEventExtraInfo) {
    if (effect2 !== activeEffect || effect2.allowRecurse) {
      if (effect2.onTrigger) {
        effect2.onTrigger(extend({ effect: effect2 }, debuggerEventExtraInfo));
      }
      if (effect2.scheduler) {
        effect2.scheduler();
      } else {
        effect2.run();
      }
    }
  }
  function getDepFromReactive(object, key) {
    var _a;
    return (_a = targetMap.get(object)) == null ? void 0 : _a.get(key);
  }

  const isNonTrackableKeys = /* @__PURE__ */ makeMap(`__proto__,__v_isRef,__isVue`);
  const builtInSymbols = new Set(
    /* @__PURE__ */ Object.getOwnPropertyNames(Symbol).filter((key) => key !== "arguments" && key !== "caller").map((key) => Symbol[key]).filter(isSymbol)
  );
  const arrayInstrumentations = /* @__PURE__ */ createArrayInstrumentations();
  function createArrayInstrumentations() {
    const instrumentations = {};
    ["includes", "indexOf", "lastIndexOf"].forEach((key) => {
      instrumentations[key] = function(...args) {
        const arr = toRaw(this);
        for (let i = 0, l = this.length; i < l; i++) {
          track(arr, "get", i + "");
        }
        const res = arr[key](...args);
        if (res === -1 || res === false) {
          return arr[key](...args.map(toRaw));
        } else {
          return res;
        }
      };
    });
    ["push", "pop", "shift", "unshift", "splice"].forEach((key) => {
      instrumentations[key] = function(...args) {
        pauseTracking();
        const res = toRaw(this)[key].apply(this, args);
        resetTracking();
        return res;
      };
    });
    return instrumentations;
  }
  function hasOwnProperty(key) {
    const obj = toRaw(this);
    track(obj, "has", key);
    return obj.hasOwnProperty(key);
  }
  class BaseReactiveHandler {
    constructor(_isReadonly = false, _shallow = false) {
      this._isReadonly = _isReadonly;
      this._shallow = _shallow;
    }
    get(target, key, receiver) {
      const isReadonly2 = this._isReadonly, shallow = this._shallow;
      if (key === "__v_isReactive") {
        return !isReadonly2;
      } else if (key === "__v_isReadonly") {
        return isReadonly2;
      } else if (key === "__v_isShallow") {
        return shallow;
      } else if (key === "__v_raw") {
        if (receiver === (isReadonly2 ? shallow ? shallowReadonlyMap : readonlyMap : shallow ? shallowReactiveMap : reactiveMap).get(target) || // receiver is not the reactive proxy, but has the same prototype
        // this means the reciever is a user proxy of the reactive proxy
        Object.getPrototypeOf(target) === Object.getPrototypeOf(receiver)) {
          return target;
        }
        return;
      }
      const targetIsArray = isArray(target);
      if (!isReadonly2) {
        if (targetIsArray && hasOwn(arrayInstrumentations, key)) {
          return Reflect.get(arrayInstrumentations, key, receiver);
        }
        if (key === "hasOwnProperty") {
          return hasOwnProperty;
        }
      }
      const res = Reflect.get(target, key, receiver);
      if (isSymbol(key) ? builtInSymbols.has(key) : isNonTrackableKeys(key)) {
        return res;
      }
      if (!isReadonly2) {
        track(target, "get", key);
      }
      if (shallow) {
        return res;
      }
      if (isRef(res)) {
        return targetIsArray && isIntegerKey(key) ? res : res.value;
      }
      if (isObject(res)) {
        return isReadonly2 ? readonly(res) : reactive(res);
      }
      return res;
    }
  }
  class MutableReactiveHandler extends BaseReactiveHandler {
    constructor(shallow = false) {
      super(false, shallow);
    }
    set(target, key, value, receiver) {
      let oldValue = target[key];
      if (!this._shallow) {
        const isOldValueReadonly = isReadonly(oldValue);
        if (!isShallow(value) && !isReadonly(value)) {
          oldValue = toRaw(oldValue);
          value = toRaw(value);
        }
        if (!isArray(target) && isRef(oldValue) && !isRef(value)) {
          if (isOldValueReadonly) {
            return false;
          } else {
            oldValue.value = value;
            return true;
          }
        }
      }
      const hadKey = isArray(target) && isIntegerKey(key) ? Number(key) < target.length : hasOwn(target, key);
      const result = Reflect.set(target, key, value, receiver);
      if (target === toRaw(receiver)) {
        if (!hadKey) {
          trigger(target, "add", key, value);
        } else if (hasChanged(value, oldValue)) {
          trigger(target, "set", key, value, oldValue);
        }
      }
      return result;
    }
    deleteProperty(target, key) {
      const hadKey = hasOwn(target, key);
      const oldValue = target[key];
      const result = Reflect.deleteProperty(target, key);
      if (result && hadKey) {
        trigger(target, "delete", key, void 0, oldValue);
      }
      return result;
    }
    has(target, key) {
      const result = Reflect.has(target, key);
      if (!isSymbol(key) || !builtInSymbols.has(key)) {
        track(target, "has", key);
      }
      return result;
    }
    ownKeys(target) {
      track(
        target,
        "iterate",
        isArray(target) ? "length" : ITERATE_KEY
      );
      return Reflect.ownKeys(target);
    }
  }
  class ReadonlyReactiveHandler extends BaseReactiveHandler {
    constructor(shallow = false) {
      super(true, shallow);
    }
    set(target, key) {
      {
        warn(
          `Set operation on key "${String(key)}" failed: target is readonly.`,
          target
        );
      }
      return true;
    }
    deleteProperty(target, key) {
      {
        warn(
          `Delete operation on key "${String(key)}" failed: target is readonly.`,
          target
        );
      }
      return true;
    }
  }
  const mutableHandlers = /* @__PURE__ */ new MutableReactiveHandler();
  const readonlyHandlers = /* @__PURE__ */ new ReadonlyReactiveHandler();
  const shallowReactiveHandlers = /* @__PURE__ */ new MutableReactiveHandler(
    true
  );
  const shallowReadonlyHandlers = /* @__PURE__ */ new ReadonlyReactiveHandler(true);

  const toShallow = (value) => value;
  const getProto = (v) => Reflect.getPrototypeOf(v);
  function get(target, key, isReadonly = false, isShallow = false) {
    target = target["__v_raw"];
    const rawTarget = toRaw(target);
    const rawKey = toRaw(key);
    if (!isReadonly) {
      if (hasChanged(key, rawKey)) {
        track(rawTarget, "get", key);
      }
      track(rawTarget, "get", rawKey);
    }
    const { has: has2 } = getProto(rawTarget);
    const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive;
    if (has2.call(rawTarget, key)) {
      return wrap(target.get(key));
    } else if (has2.call(rawTarget, rawKey)) {
      return wrap(target.get(rawKey));
    } else if (target !== rawTarget) {
      target.get(key);
    }
  }
  function has(key, isReadonly = false) {
    const target = this["__v_raw"];
    const rawTarget = toRaw(target);
    const rawKey = toRaw(key);
    if (!isReadonly) {
      if (hasChanged(key, rawKey)) {
        track(rawTarget, "has", key);
      }
      track(rawTarget, "has", rawKey);
    }
    return key === rawKey ? target.has(key) : target.has(key) || target.has(rawKey);
  }
  function size(target, isReadonly = false) {
    target = target["__v_raw"];
    !isReadonly && track(toRaw(target), "iterate", ITERATE_KEY);
    return Reflect.get(target, "size", target);
  }
  function add(value) {
    value = toRaw(value);
    const target = toRaw(this);
    const proto = getProto(target);
    const hadKey = proto.has.call(target, value);
    if (!hadKey) {
      target.add(value);
      trigger(target, "add", value, value);
    }
    return this;
  }
  function set(key, value) {
    value = toRaw(value);
    const target = toRaw(this);
    const { has: has2, get: get2 } = getProto(target);
    let hadKey = has2.call(target, key);
    if (!hadKey) {
      key = toRaw(key);
      hadKey = has2.call(target, key);
    } else {
      checkIdentityKeys(target, has2, key);
    }
    const oldValue = get2.call(target, key);
    target.set(key, value);
    if (!hadKey) {
      trigger(target, "add", key, value);
    } else if (hasChanged(value, oldValue)) {
      trigger(target, "set", key, value, oldValue);
    }
    return this;
  }
  function deleteEntry(key) {
    const target = toRaw(this);
    const { has: has2, get: get2 } = getProto(target);
    let hadKey = has2.call(target, key);
    if (!hadKey) {
      key = toRaw(key);
      hadKey = has2.call(target, key);
    } else {
      checkIdentityKeys(target, has2, key);
    }
    const oldValue = get2 ? get2.call(target, key) : void 0;
    const result = target.delete(key);
    if (hadKey) {
      trigger(target, "delete", key, void 0, oldValue);
    }
    return result;
  }
  function clear() {
    const target = toRaw(this);
    const hadItems = target.size !== 0;
    const oldTarget = isMap(target) ? new Map(target) : new Set(target) ;
    const result = target.clear();
    if (hadItems) {
      trigger(target, "clear", void 0, void 0, oldTarget);
    }
    return result;
  }
  function createForEach(isReadonly, isShallow) {
    return function forEach(callback, thisArg) {
      const observed = this;
      const target = observed["__v_raw"];
      const rawTarget = toRaw(target);
      const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive;
      !isReadonly && track(rawTarget, "iterate", ITERATE_KEY);
      return target.forEach((value, key) => {
        return callback.call(thisArg, wrap(value), wrap(key), observed);
      });
    };
  }
  function createIterableMethod(method, isReadonly, isShallow) {
    return function(...args) {
      const target = this["__v_raw"];
      const rawTarget = toRaw(target);
      const targetIsMap = isMap(rawTarget);
      const isPair = method === "entries" || method === Symbol.iterator && targetIsMap;
      const isKeyOnly = method === "keys" && targetIsMap;
      const innerIterator = target[method](...args);
      const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive;
      !isReadonly && track(
        rawTarget,
        "iterate",
        isKeyOnly ? MAP_KEY_ITERATE_KEY : ITERATE_KEY
      );
      return {
        // iterator protocol
        next() {
          const { value, done } = innerIterator.next();
          return done ? { value, done } : {
            value: isPair ? [wrap(value[0]), wrap(value[1])] : wrap(value),
            done
          };
        },
        // iterable protocol
        [Symbol.iterator]() {
          return this;
        }
      };
    };
  }
  function createReadonlyMethod(type) {
    return function(...args) {
      {
        const key = args[0] ? `on key "${args[0]}" ` : ``;
        console.warn(
          `${capitalize(type)} operation ${key}failed: target is readonly.`,
          toRaw(this)
        );
      }
      return type === "delete" ? false : type === "clear" ? void 0 : this;
    };
  }
  function createInstrumentations() {
    const mutableInstrumentations2 = {
      get(key) {
        return get(this, key);
      },
      get size() {
        return size(this);
      },
      has,
      add,
      set,
      delete: deleteEntry,
      clear,
      forEach: createForEach(false, false)
    };
    const shallowInstrumentations2 = {
      get(key) {
        return get(this, key, false, true);
      },
      get size() {
        return size(this);
      },
      has,
      add,
      set,
      delete: deleteEntry,
      clear,
      forEach: createForEach(false, true)
    };
    const readonlyInstrumentations2 = {
      get(key) {
        return get(this, key, true);
      },
      get size() {
        return size(this, true);
      },
      has(key) {
        return has.call(this, key, true);
      },
      add: createReadonlyMethod("add"),
      set: createReadonlyMethod("set"),
      delete: createReadonlyMethod("delete"),
      clear: createReadonlyMethod("clear"),
      forEach: createForEach(true, false)
    };
    const shallowReadonlyInstrumentations2 = {
      get(key) {
        return get(this, key, true, true);
      },
      get size() {
        return size(this, true);
      },
      has(key) {
        return has.call(this, key, true);
      },
      add: createReadonlyMethod("add"),
      set: createReadonlyMethod("set"),
      delete: createReadonlyMethod("delete"),
      clear: createReadonlyMethod("clear"),
      forEach: createForEach(true, true)
    };
    const iteratorMethods = ["keys", "values", "entries", Symbol.iterator];
    iteratorMethods.forEach((method) => {
      mutableInstrumentations2[method] = createIterableMethod(
        method,
        false,
        false
      );
      readonlyInstrumentations2[method] = createIterableMethod(
        method,
        true,
        false
      );
      shallowInstrumentations2[method] = createIterableMethod(
        method,
        false,
        true
      );
      shallowReadonlyInstrumentations2[method] = createIterableMethod(
        method,
        true,
        true
      );
    });
    return [
      mutableInstrumentations2,
      readonlyInstrumentations2,
      shallowInstrumentations2,
      shallowReadonlyInstrumentations2
    ];
  }
  const [
    mutableInstrumentations,
    readonlyInstrumentations,
    shallowInstrumentations,
    shallowReadonlyInstrumentations
  ] = /* @__PURE__ */ createInstrumentations();
  function createInstrumentationGetter(isReadonly, shallow) {
    const instrumentations = shallow ? isReadonly ? shallowReadonlyInstrumentations : shallowInstrumentations : isReadonly ? readonlyInstrumentations : mutableInstrumentations;
    return (target, key, receiver) => {
      if (key === "__v_isReactive") {
        return !isReadonly;
      } else if (key === "__v_isReadonly") {
        return isReadonly;
      } else if (key === "__v_raw") {
        return target;
      }
      return Reflect.get(
        hasOwn(instrumentations, key) && key in target ? instrumentations : target,
        key,
        receiver
      );
    };
  }
  const mutableCollectionHandlers = {
    get: /* @__PURE__ */ createInstrumentationGetter(false, false)
  };
  const shallowCollectionHandlers = {
    get: /* @__PURE__ */ createInstrumentationGetter(false, true)
  };
  const readonlyCollectionHandlers = {
    get: /* @__PURE__ */ createInstrumentationGetter(true, false)
  };
  const shallowReadonlyCollectionHandlers = {
    get: /* @__PURE__ */ createInstrumentationGetter(true, true)
  };
  function checkIdentityKeys(target, has2, key) {
    const rawKey = toRaw(key);
    if (rawKey !== key && has2.call(target, rawKey)) {
      const type = toRawType(target);
      console.warn(
        `Reactive ${type} contains both the raw and reactive versions of the same object${type === `Map` ? ` as keys` : ``}, which can lead to inconsistencies. Avoid differentiating between the raw and reactive versions of an object and only use the reactive version if possible.`
      );
    }
  }

  const reactiveMap = /* @__PURE__ */ new WeakMap();
  const shallowReactiveMap = /* @__PURE__ */ new WeakMap();
  const readonlyMap = /* @__PURE__ */ new WeakMap();
  const shallowReadonlyMap = /* @__PURE__ */ new WeakMap();
  function targetTypeMap(rawType) {
    switch (rawType) {
      case "Object":
      case "Array":
        return 1 /* COMMON */;
      case "Map":
      case "Set":
      case "WeakMap":
      case "WeakSet":
        return 2 /* COLLECTION */;
      default:
        return 0 /* INVALID */;
    }
  }
  function getTargetType(value) {
    return value["__v_skip"] || !Object.isExtensible(value) ? 0 /* INVALID */ : targetTypeMap(toRawType(value));
  }
  function reactive(target) {
    if (isReadonly(target)) {
      return target;
    }
    return createReactiveObject(
      target,
      false,
      mutableHandlers,
      mutableCollectionHandlers,
      reactiveMap
    );
  }
  function shallowReactive(target) {
    return createReactiveObject(
      target,
      false,
      shallowReactiveHandlers,
      shallowCollectionHandlers,
      shallowReactiveMap
    );
  }
  function readonly(target) {
    return createReactiveObject(
      target,
      true,
      readonlyHandlers,
      readonlyCollectionHandlers,
      readonlyMap
    );
  }
  function shallowReadonly(target) {
    return createReactiveObject(
      target,
      true,
      shallowReadonlyHandlers,
      shallowReadonlyCollectionHandlers,
      shallowReadonlyMap
    );
  }
  function createReactiveObject(target, isReadonly2, baseHandlers, collectionHandlers, proxyMap) {
    if (!isObject(target)) {
      {
        console.warn(`value cannot be made reactive: ${String(target)}`);
      }
      return target;
    }
    if (target["__v_raw"] && !(isReadonly2 && target["__v_isReactive"])) {
      return target;
    }
    const existingProxy = proxyMap.get(target);
    if (existingProxy) {
      return existingProxy;
    }
    const targetType = getTargetType(target);
    if (targetType === 0 /* INVALID */) {
      return target;
    }
    const proxy = new Proxy(
      target,
      targetType === 2 /* COLLECTION */ ? collectionHandlers : baseHandlers
    );
    proxyMap.set(target, proxy);
    return proxy;
  }
  function isReactive(value) {
    if (isReadonly(value)) {
      return isReactive(value["__v_raw"]);
    }
    return !!(value && value["__v_isReactive"]);
  }
  function isReadonly(value) {
    return !!(value && value["__v_isReadonly"]);
  }
  function isShallow(value) {
    return !!(value && value["__v_isShallow"]);
  }
  function isProxy(value) {
    return isReactive(value) || isReadonly(value);
  }
  function toRaw(observed) {
    const raw = observed && observed["__v_raw"];
    return raw ? toRaw(raw) : observed;
  }
  function markRaw(value) {
    def(value, "__v_skip", true);
    return value;
  }
  const toReactive = (value) => isObject(value) ? reactive(value) : value;
  const toReadonly = (value) => isObject(value) ? readonly(value) : value;

  function trackRefValue(ref2) {
    if (shouldTrack && activeEffect) {
      ref2 = toRaw(ref2);
      {
        trackEffects(ref2.dep || (ref2.dep = createDep()), {
          target: ref2,
          type: "get",
          key: "value"
        });
      }
    }
  }
  function triggerRefValue(ref2, newVal) {
    ref2 = toRaw(ref2);
    const dep = ref2.dep;
    if (dep) {
      {
        triggerEffects(dep, {
          target: ref2,
          type: "set",
          key: "value",
          newValue: newVal
        });
      }
    }
  }
  function isRef(r) {
    return !!(r && r.__v_isRef === true);
  }
  function ref(value) {
    return createRef(value, false);
  }
  function shallowRef(value) {
    return createRef(value, true);
  }
  function createRef(rawValue, shallow) {
    if (isRef(rawValue)) {
      return rawValue;
    }
    return new RefImpl(rawValue, shallow);
  }
  class RefImpl {
    constructor(value, __v_isShallow) {
      this.__v_isShallow = __v_isShallow;
      this.dep = void 0;
      this.__v_isRef = true;
      this._rawValue = __v_isShallow ? value : toRaw(value);
      this._value = __v_isShallow ? value : toReactive(value);
    }
    get value() {
      trackRefValue(this);
      return this._value;
    }
    set value(newVal) {
      const useDirectValue = this.__v_isShallow || isShallow(newVal) || isReadonly(newVal);
      newVal = useDirectValue ? newVal : toRaw(newVal);
      if (hasChanged(newVal, this._rawValue)) {
        this._rawValue = newVal;
        this._value = useDirectValue ? newVal : toReactive(newVal);
        triggerRefValue(this, newVal);
      }
    }
  }
  function triggerRef(ref2) {
    triggerRefValue(ref2, ref2.value );
  }
  function unref(ref2) {
    return isRef(ref2) ? ref2.value : ref2;
  }
  function toValue(source) {
    return isFunction(source) ? source() : unref(source);
  }
  const shallowUnwrapHandlers = {
    get: (target, key, receiver) => unref(Reflect.get(target, key, receiver)),
    set: (target, key, value, receiver) => {
      const oldValue = target[key];
      if (isRef(oldValue) && !isRef(value)) {
        oldValue.value = value;
        return true;
      } else {
        return Reflect.set(target, key, value, receiver);
      }
    }
  };
  function proxyRefs(objectWithRefs) {
    return isReactive(objectWithRefs) ? objectWithRefs : new Proxy(objectWithRefs, shallowUnwrapHandlers);
  }
  class CustomRefImpl {
    constructor(factory) {
      this.dep = void 0;
      this.__v_isRef = true;
      const { get, set } = factory(
        () => trackRefValue(this),
        () => triggerRefValue(this)
      );
      this._get = get;
      this._set = set;
    }
    get value() {
      return this._get();
    }
    set value(newVal) {
      this._set(newVal);
    }
  }
  function customRef(factory) {
    return new CustomRefImpl(factory);
  }
  function toRefs(object) {
    if (!isProxy(object)) {
      console.warn(`toRefs() expects a reactive object but received a plain one.`);
    }
    const ret = isArray(object) ? new Array(object.length) : {};
    for (const key in object) {
      ret[key] = propertyToRef(object, key);
    }
    return ret;
  }
  class ObjectRefImpl {
    constructor(_object, _key, _defaultValue) {
      this._object = _object;
      this._key = _key;
      this._defaultValue = _defaultValue;
      this.__v_isRef = true;
    }
    get value() {
      const val = this._object[this._key];
      return val === void 0 ? this._defaultValue : val;
    }
    set value(newVal) {
      this._object[this._key] = newVal;
    }
    get dep() {
      return getDepFromReactive(toRaw(this._object), this._key);
    }
  }
  class GetterRefImpl {
    constructor(_getter) {
      this._getter = _getter;
      this.__v_isRef = true;
      this.__v_isReadonly = true;
    }
    get value() {
      return this._getter();
    }
  }
  function toRef(source, key, defaultValue) {
    if (isRef(source)) {
      return source;
    } else if (isFunction(source)) {
      return new GetterRefImpl(source);
    } else if (isObject(source) && arguments.length > 1) {
      return propertyToRef(source, key, defaultValue);
    } else {
      return ref(source);
    }
  }
  function propertyToRef(source, key, defaultValue) {
    const val = source[key];
    return isRef(val) ? val : new ObjectRefImpl(source, key, defaultValue);
  }

  class ComputedRefImpl {
    constructor(getter, _setter, isReadonly, isSSR) {
      this._setter = _setter;
      this.dep = void 0;
      this.__v_isRef = true;
      this["__v_isReadonly"] = false;
      this._dirty = true;
      this.effect = new ReactiveEffect(getter, () => {
        if (!this._dirty) {
          this._dirty = true;
          triggerRefValue(this);
        }
      });
      this.effect.computed = this;
      this.effect.active = this._cacheable = !isSSR;
      this["__v_isReadonly"] = isReadonly;
    }
    get value() {
      const self = toRaw(this);
      trackRefValue(self);
      if (self._dirty || !self._cacheable) {
        self._dirty = false;
        self._value = self.effect.run();
      }
      return self._value;
    }
    set value(newValue) {
      this._setter(newValue);
    }
  }
  function computed(getterOrOptions, debugOptions, isSSR = false) {
    let getter;
    let setter;
    const onlyGetter = isFunction(getterOrOptions);
    if (onlyGetter) {
      getter = getterOrOptions;
      setter = () => {
        console.warn("Write operation failed: computed value is readonly");
      } ;
    } else {
      getter = getterOrOptions.get;
      setter = getterOrOptions.set;
    }
    const cRef = new ComputedRefImpl(getter, setter, onlyGetter || !setter, isSSR);
    if (debugOptions && !isSSR) {
      cRef.effect.onTrack = debugOptions.onTrack;
      cRef.effect.onTrigger = debugOptions.onTrigger;
    }
    return cRef;
  }

  const tick = /* @__PURE__ */ Promise.resolve();
  const queue = [];
  let queued = false;
  const scheduler = (fn) => {
    queue.push(fn);
    if (!queued) {
      queued = true;
      tick.then(flush);
    }
  };
  const flush = () => {
    for (let i = 0; i < queue.length; i++) {
      queue[i]();
    }
    queue.length = 0;
    queued = false;
  };
  class DeferredComputedRefImpl {
    constructor(getter) {
      this.dep = void 0;
      this._dirty = true;
      this.__v_isRef = true;
      this["__v_isReadonly"] = true;
      let compareTarget;
      let hasCompareTarget = false;
      let scheduled = false;
      this.effect = new ReactiveEffect(getter, (computedTrigger) => {
        if (this.dep) {
          if (computedTrigger) {
            compareTarget = this._value;
            hasCompareTarget = true;
          } else if (!scheduled) {
            const valueToCompare = hasCompareTarget ? compareTarget : this._value;
            scheduled = true;
            hasCompareTarget = false;
            scheduler(() => {
              if (this.effect.active && this._get() !== valueToCompare) {
                triggerRefValue(this);
              }
              scheduled = false;
            });
          }
          for (const e of this.dep) {
            if (e.computed instanceof DeferredComputedRefImpl) {
              e.scheduler(
                true
                /* computedTrigger */
              );
            }
          }
        }
        this._dirty = true;
      });
      this.effect.computed = this;
    }
    _get() {
      if (this._dirty) {
        this._dirty = false;
        return this._value = this.effect.run();
      }
      return this._value;
    }
    get value() {
      trackRefValue(this);
      return toRaw(this)._get();
    }
  }
  function deferredComputed(getter) {
    return new DeferredComputedRefImpl(getter);
  }

  exports.EffectScope = EffectScope;
  exports.ITERATE_KEY = ITERATE_KEY;
  exports.ReactiveEffect = ReactiveEffect;
  exports.computed = computed;
  exports.customRef = customRef;
  exports.deferredComputed = deferredComputed;
  exports.effect = effect;
  exports.effectScope = effectScope;
  exports.enableTracking = enableTracking;
  exports.getCurrentScope = getCurrentScope;
  exports.isProxy = isProxy;
  exports.isReactive = isReactive;
  exports.isReadonly = isReadonly;
  exports.isRef = isRef;
  exports.isShallow = isShallow;
  exports.markRaw = markRaw;
  exports.onScopeDispose = onScopeDispose;
  exports.pauseTracking = pauseTracking;
  exports.proxyRefs = proxyRefs;
  exports.reactive = reactive;
  exports.readonly = readonly;
  exports.ref = ref;
  exports.resetTracking = resetTracking;
  exports.shallowReactive = shallowReactive;
  exports.shallowReadonly = shallowReadonly;
  exports.shallowRef = shallowRef;
  exports.stop = stop;
  exports.toRaw = toRaw;
  exports.toRef = toRef;
  exports.toRefs = toRefs;
  exports.toValue = toValue;
  exports.track = track;
  exports.trigger = trigger;
  exports.triggerRef = triggerRef;
  exports.unref = unref;

  return exports;

})({});