uniIM/node_modules/@vue/reactivity/dist/reactivity.global.js

/**
* @vue/reactivity v3.5.4
* (c) 2018-present Yuxi (Evan) You and Vue contributors
* @license MIT
**/
var VueReactivity = (function (exports) {
  'use strict';

  /*! #__NO_SIDE_EFFECTS__ */
  // @__NO_SIDE_EFFECTS__
  function makeMap(str) {
    const map = /* @__PURE__ */ Object.create(null);
    for (const key of str.split(",")) map[key] = 1;
    return (val) => val in map;
  }

  const EMPTY_OBJ = Object.freeze({}) ;
  const NOOP = () => {
  };
  const extend = Object.assign;
  const remove = (arr, el) => {
    const i = arr.indexOf(el);
    if (i > -1) {
      arr.splice(i, 1);
    }
  };
  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 isSet = (val) => toTypeString(val) === "[object Set]";
  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 isPlainObject = (val) => toTypeString(val) === "[object Object]";
  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, writable = false) => {
    Object.defineProperty(obj, key, {
      configurable: true,
      enumerable: false,
      writable,
      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._isPaused = false;
      this.parent = activeEffectScope;
      if (!detached && activeEffectScope) {
        this.index = (activeEffectScope.scopes || (activeEffectScope.scopes = [])).push(
          this
        ) - 1;
      }
    }
    get active() {
      return this._active;
    }
    pause() {
      if (this._active) {
        this._isPaused = true;
        let i, l;
        if (this.scopes) {
          for (i = 0, l = this.scopes.length; i < l; i++) {
            this.scopes[i].pause();
          }
        }
        for (i = 0, l = this.effects.length; i < l; i++) {
          this.effects[i].pause();
        }
      }
    }
    /**
     * Resumes the effect scope, including all child scopes and effects.
     */
    resume() {
      if (this._active) {
        if (this._isPaused) {
          this._isPaused = false;
          let i, l;
          if (this.scopes) {
            for (i = 0, l = this.scopes.length; i < l; i++) {
              this.scopes[i].resume();
            }
          }
          for (i = 0, l = this.effects.length; i < l; i++) {
            this.effects[i].resume();
          }
        }
      }
    }
    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 getCurrentScope() {
    return activeEffectScope;
  }
  function onScopeDispose(fn, failSilently = false) {
    if (activeEffectScope) {
      activeEffectScope.cleanups.push(fn);
    } else if (!failSilently) {
      warn(
        `onScopeDispose() is called when there is no active effect scope to be associated with.`
      );
    }
  }

  let activeSub;
  const EffectFlags = {
    "ACTIVE": 1,
    "1": "ACTIVE",
    "RUNNING": 2,
    "2": "RUNNING",
    "TRACKING": 4,
    "4": "TRACKING",
    "NOTIFIED": 8,
    "8": "NOTIFIED",
    "DIRTY": 16,
    "16": "DIRTY",
    "ALLOW_RECURSE": 32,
    "32": "ALLOW_RECURSE",
    "PAUSED": 64,
    "64": "PAUSED"
  };
  const pausedQueueEffects = /* @__PURE__ */ new WeakSet();
  class ReactiveEffect {
    constructor(fn) {
      this.fn = fn;
      /**
       * @internal
       */
      this.deps = void 0;
      /**
       * @internal
       */
      this.depsTail = void 0;
      /**
       * @internal
       */
      this.flags = 1 | 4;
      /**
       * @internal
       */
      this.nextEffect = void 0;
      /**
       * @internal
       */
      this.cleanup = void 0;
      this.scheduler = void 0;
      if (activeEffectScope && activeEffectScope.active) {
        activeEffectScope.effects.push(this);
      }
    }
    pause() {
      this.flags |= 64;
    }
    resume() {
      if (this.flags & 64) {
        this.flags &= ~64;
        if (pausedQueueEffects.has(this)) {
          pausedQueueEffects.delete(this);
          this.trigger();
        }
      }
    }
    /**
     * @internal
     */
    notify() {
      if (this.flags & 2 && !(this.flags & 32)) {
        return;
      }
      if (!(this.flags & 8)) {
        this.flags |= 8;
        this.nextEffect = batchedEffect;
        batchedEffect = this;
      }
    }
    run() {
      if (!(this.flags & 1)) {
        return this.fn();
      }
      this.flags |= 2;
      cleanupEffect(this);
      prepareDeps(this);
      const prevEffect = activeSub;
      const prevShouldTrack = shouldTrack;
      activeSub = this;
      shouldTrack = true;
      try {
        return this.fn();
      } finally {
        if (activeSub !== this) {
          warn(
            "Active effect was not restored correctly - this is likely a Vue internal bug."
          );
        }
        cleanupDeps(this);
        activeSub = prevEffect;
        shouldTrack = prevShouldTrack;
        this.flags &= ~2;
      }
    }
    stop() {
      if (this.flags & 1) {
        for (let link = this.deps; link; link = link.nextDep) {
          removeSub(link);
        }
        this.deps = this.depsTail = void 0;
        cleanupEffect(this);
        this.onStop && this.onStop();
        this.flags &= ~1;
      }
    }
    trigger() {
      if (this.flags & 64) {
        pausedQueueEffects.add(this);
      } else if (this.scheduler) {
        this.scheduler();
      } else {
        this.runIfDirty();
      }
    }
    /**
     * @internal
     */
    runIfDirty() {
      if (isDirty(this)) {
        this.run();
      }
    }
    get dirty() {
      return isDirty(this);
    }
  }
  let batchDepth = 0;
  let batchedEffect;
  function startBatch() {
    batchDepth++;
  }
  function endBatch() {
    if (--batchDepth > 0) {
      return;
    }
    let error;
    while (batchedEffect) {
      let e = batchedEffect;
      batchedEffect = void 0;
      while (e) {
        const next = e.nextEffect;
        e.nextEffect = void 0;
        e.flags &= ~8;
        if (e.flags & 1) {
          try {
            e.trigger();
          } catch (err) {
            if (!error) error = err;
          }
        }
        e = next;
      }
    }
    if (error) throw error;
  }
  function prepareDeps(sub) {
    for (let link = sub.deps; link; link = link.nextDep) {
      link.version = -1;
      link.prevActiveLink = link.dep.activeLink;
      link.dep.activeLink = link;
    }
  }
  function cleanupDeps(sub) {
    let head;
    let tail = sub.depsTail;
    for (let link = tail; link; link = link.prevDep) {
      if (link.version === -1) {
        if (link === tail) tail = link.prevDep;
        removeSub(link);
        removeDep(link);
      } else {
        head = link;
      }
      link.dep.activeLink = link.prevActiveLink;
      link.prevActiveLink = void 0;
    }
    sub.deps = head;
    sub.depsTail = tail;
  }
  function isDirty(sub) {
    for (let link = sub.deps; link; link = link.nextDep) {
      if (link.dep.version !== link.version || link.dep.computed && refreshComputed(link.dep.computed) || link.dep.version !== link.version) {
        return true;
      }
    }
    if (sub._dirty) {
      return true;
    }
    return false;
  }
  function refreshComputed(computed) {
    if (computed.flags & 4 && !(computed.flags & 16)) {
      return;
    }
    computed.flags &= ~16;
    if (computed.globalVersion === globalVersion) {
      return;
    }
    computed.globalVersion = globalVersion;
    const dep = computed.dep;
    computed.flags |= 2;
    if (dep.version > 0 && !computed.isSSR && !isDirty(computed)) {
      computed.flags &= ~2;
      return;
    }
    const prevSub = activeSub;
    const prevShouldTrack = shouldTrack;
    activeSub = computed;
    shouldTrack = true;
    try {
      prepareDeps(computed);
      const value = computed.fn(computed._value);
      if (dep.version === 0 || hasChanged(value, computed._value)) {
        computed._value = value;
        dep.version++;
      }
    } catch (err) {
      dep.version++;
      throw err;
    } finally {
      activeSub = prevSub;
      shouldTrack = prevShouldTrack;
      cleanupDeps(computed);
      computed.flags &= ~2;
    }
  }
  function removeSub(link) {
    const { dep, prevSub, nextSub } = link;
    if (prevSub) {
      prevSub.nextSub = nextSub;
      link.prevSub = void 0;
    }
    if (nextSub) {
      nextSub.prevSub = prevSub;
      link.nextSub = void 0;
    }
    if (dep.subs === link) {
      dep.subs = prevSub;
    }
    if (!dep.subs && dep.computed) {
      dep.computed.flags &= ~4;
      for (let l = dep.computed.deps; l; l = l.nextDep) {
        removeSub(l);
      }
    }
  }
  function removeDep(link) {
    const { prevDep, nextDep } = link;
    if (prevDep) {
      prevDep.nextDep = nextDep;
      link.prevDep = void 0;
    }
    if (nextDep) {
      nextDep.prevDep = prevDep;
      link.nextDep = void 0;
    }
  }
  function effect(fn, options) {
    if (fn.effect instanceof ReactiveEffect) {
      fn = fn.effect.fn;
    }
    const e = new ReactiveEffect(fn);
    if (options) {
      extend(e, options);
    }
    try {
      e.run();
    } catch (err) {
      e.stop();
      throw err;
    }
    const runner = e.run.bind(e);
    runner.effect = e;
    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 onEffectCleanup(fn, failSilently = false) {
    if (activeSub instanceof ReactiveEffect) {
      activeSub.cleanup = fn;
    } else if (!failSilently) {
      warn(
        `onEffectCleanup() was called when there was no active effect to associate with.`
      );
    }
  }
  function cleanupEffect(e) {
    const { cleanup } = e;
    e.cleanup = void 0;
    if (cleanup) {
      const prevSub = activeSub;
      activeSub = void 0;
      try {
        cleanup();
      } finally {
        activeSub = prevSub;
      }
    }
  }

  let globalVersion = 0;
  class Dep {
    constructor(computed) {
      this.computed = computed;
      this.version = 0;
      /**
       * Link between this dep and the current active effect
       */
      this.activeLink = void 0;
      /**
       * Doubly linked list representing the subscribing effects (tail)
       */
      this.subs = void 0;
      {
        this.subsHead = void 0;
      }
    }
    track(debugInfo) {
      if (!activeSub || !shouldTrack || activeSub === this.computed) {
        return;
      }
      let link = this.activeLink;
      if (link === void 0 || link.sub !== activeSub) {
        link = this.activeLink = {
          dep: this,
          sub: activeSub,
          version: this.version,
          nextDep: void 0,
          prevDep: void 0,
          nextSub: void 0,
          prevSub: void 0,
          prevActiveLink: void 0
        };
        if (!activeSub.deps) {
          activeSub.deps = activeSub.depsTail = link;
        } else {
          link.prevDep = activeSub.depsTail;
          activeSub.depsTail.nextDep = link;
          activeSub.depsTail = link;
        }
        if (activeSub.flags & 4) {
          addSub(link);
        }
      } else if (link.version === -1) {
        link.version = this.version;
        if (link.nextDep) {
          const next = link.nextDep;
          next.prevDep = link.prevDep;
          if (link.prevDep) {
            link.prevDep.nextDep = next;
          }
          link.prevDep = activeSub.depsTail;
          link.nextDep = void 0;
          activeSub.depsTail.nextDep = link;
          activeSub.depsTail = link;
          if (activeSub.deps === link) {
            activeSub.deps = next;
          }
        }
      }
      if (activeSub.onTrack) {
        activeSub.onTrack(
          extend(
            {
              effect: activeSub
            },
            debugInfo
          )
        );
      }
      return link;
    }
    trigger(debugInfo) {
      this.version++;
      globalVersion++;
      this.notify(debugInfo);
    }
    notify(debugInfo) {
      startBatch();
      try {
        if (true) {
          for (let head = this.subsHead; head; head = head.nextSub) {
            if (head.sub.onTrigger && !(head.sub.flags & 8)) {
              head.sub.onTrigger(
                extend(
                  {
                    effect: head.sub
                  },
                  debugInfo
                )
              );
            }
          }
        }
        for (let link = this.subs; link; link = link.prevSub) {
          link.sub.notify();
        }
      } finally {
        endBatch();
      }
    }
  }
  function addSub(link) {
    const computed = link.dep.computed;
    if (computed && !link.dep.subs) {
      computed.flags |= 4 | 16;
      for (let l = computed.deps; l; l = l.nextDep) {
        addSub(l);
      }
    }
    const currentTail = link.dep.subs;
    if (currentTail !== link) {
      link.prevSub = currentTail;
      if (currentTail) currentTail.nextSub = link;
    }
    if (link.dep.subsHead === void 0) {
      link.dep.subsHead = link;
    }
    link.dep.subs = link;
  }
  const targetMap = /* @__PURE__ */ new WeakMap();
  const ITERATE_KEY = Symbol(
    "Object iterate" 
  );
  const MAP_KEY_ITERATE_KEY = Symbol(
    "Map keys iterate" 
  );
  const ARRAY_ITERATE_KEY = Symbol(
    "Array iterate" 
  );
  function track(target, type, key) {
    if (shouldTrack && activeSub) {
      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 = new Dep());
      }
      {
        dep.track({
          target,
          type,
          key
        });
      }
    }
  }
  function trigger(target, type, key, newValue, oldValue, oldTarget) {
    const depsMap = targetMap.get(target);
    if (!depsMap) {
      globalVersion++;
      return;
    }
    const run = (dep) => {
      if (dep) {
        {
          dep.trigger({
            target,
            type,
            key,
            newValue,
            oldValue,
            oldTarget
          });
        }
      }
    };
    startBatch();
    if (type === "clear") {
      depsMap.forEach(run);
    } else {
      const targetIsArray = isArray(target);
      const isArrayIndex = targetIsArray && isIntegerKey(key);
      if (targetIsArray && key === "length") {
        const newLength = Number(newValue);
        depsMap.forEach((dep, key2) => {
          if (key2 === "length" || key2 === ARRAY_ITERATE_KEY || !isSymbol(key2) && key2 >= newLength) {
            run(dep);
          }
        });
      } else {
        if (key !== void 0) {
          run(depsMap.get(key));
        }
        if (isArrayIndex) {
          run(depsMap.get(ARRAY_ITERATE_KEY));
        }
        switch (type) {
          case "add":
            if (!targetIsArray) {
              run(depsMap.get(ITERATE_KEY));
              if (isMap(target)) {
                run(depsMap.get(MAP_KEY_ITERATE_KEY));
              }
            } else if (isArrayIndex) {
              run(depsMap.get("length"));
            }
            break;
          case "delete":
            if (!targetIsArray) {
              run(depsMap.get(ITERATE_KEY));
              if (isMap(target)) {
                run(depsMap.get(MAP_KEY_ITERATE_KEY));
              }
            }
            break;
          case "set":
            if (isMap(target)) {
              run(depsMap.get(ITERATE_KEY));
            }
            break;
        }
      }
    }
    endBatch();
  }
  function getDepFromReactive(object, key) {
    var _a;
    return (_a = targetMap.get(object)) == null ? void 0 : _a.get(key);
  }

  function reactiveReadArray(array) {
    const raw = toRaw(array);
    if (raw === array) return raw;
    track(raw, "iterate", ARRAY_ITERATE_KEY);
    return isShallow(array) ? raw : raw.map(toReactive);
  }
  function shallowReadArray(arr) {
    track(arr = toRaw(arr), "iterate", ARRAY_ITERATE_KEY);
    return arr;
  }
  const arrayInstrumentations = {
    __proto__: null,
    [Symbol.iterator]() {
      return iterator(this, Symbol.iterator, toReactive);
    },
    concat(...args) {
      return reactiveReadArray(this).concat(
        ...args.map((x) => isArray(x) ? reactiveReadArray(x) : x)
      );
    },
    entries() {
      return iterator(this, "entries", (value) => {
        value[1] = toReactive(value[1]);
        return value;
      });
    },
    every(fn, thisArg) {
      return apply(this, "every", fn, thisArg, void 0, arguments);
    },
    filter(fn, thisArg) {
      return apply(this, "filter", fn, thisArg, (v) => v.map(toReactive), arguments);
    },
    find(fn, thisArg) {
      return apply(this, "find", fn, thisArg, toReactive, arguments);
    },
    findIndex(fn, thisArg) {
      return apply(this, "findIndex", fn, thisArg, void 0, arguments);
    },
    findLast(fn, thisArg) {
      return apply(this, "findLast", fn, thisArg, toReactive, arguments);
    },
    findLastIndex(fn, thisArg) {
      return apply(this, "findLastIndex", fn, thisArg, void 0, arguments);
    },
    // flat, flatMap could benefit from ARRAY_ITERATE but are not straight-forward to implement
    forEach(fn, thisArg) {
      return apply(this, "forEach", fn, thisArg, void 0, arguments);
    },
    includes(...args) {
      return searchProxy(this, "includes", args);
    },
    indexOf(...args) {
      return searchProxy(this, "indexOf", args);
    },
    join(separator) {
      return reactiveReadArray(this).join(separator);
    },
    // keys() iterator only reads `length`, no optimisation required
    lastIndexOf(...args) {
      return searchProxy(this, "lastIndexOf", args);
    },
    map(fn, thisArg) {
      return apply(this, "map", fn, thisArg, void 0, arguments);
    },
    pop() {
      return noTracking(this, "pop");
    },
    push(...args) {
      return noTracking(this, "push", args);
    },
    reduce(fn, ...args) {
      return reduce(this, "reduce", fn, args);
    },
    reduceRight(fn, ...args) {
      return reduce(this, "reduceRight", fn, args);
    },
    shift() {
      return noTracking(this, "shift");
    },
    // slice could use ARRAY_ITERATE but also seems to beg for range tracking
    some(fn, thisArg) {
      return apply(this, "some", fn, thisArg, void 0, arguments);
    },
    splice(...args) {
      return noTracking(this, "splice", args);
    },
    toReversed() {
      return reactiveReadArray(this).toReversed();
    },
    toSorted(comparer) {
      return reactiveReadArray(this).toSorted(comparer);
    },
    toSpliced(...args) {
      return reactiveReadArray(this).toSpliced(...args);
    },
    unshift(...args) {
      return noTracking(this, "unshift", args);
    },
    values() {
      return iterator(this, "values", toReactive);
    }
  };
  function iterator(self, method, wrapValue) {
    const arr = shallowReadArray(self);
    const iter = arr[method]();
    if (arr !== self && !isShallow(self)) {
      iter._next = iter.next;
      iter.next = () => {
        const result = iter._next();
        if (result.value) {
          result.value = wrapValue(result.value);
        }
        return result;
      };
    }
    return iter;
  }
  const arrayProto = Array.prototype;
  function apply(self, method, fn, thisArg, wrappedRetFn, args) {
    const arr = shallowReadArray(self);
    const needsWrap = arr !== self && !isShallow(self);
    const methodFn = arr[method];
    if (methodFn !== arrayProto[method]) {
      const result2 = methodFn.apply(self, args);
      return needsWrap ? toReactive(result2) : result2;
    }
    let wrappedFn = fn;
    if (arr !== self) {
      if (needsWrap) {
        wrappedFn = function(item, index) {
          return fn.call(this, toReactive(item), index, self);
        };
      } else if (fn.length > 2) {
        wrappedFn = function(item, index) {
          return fn.call(this, item, index, self);
        };
      }
    }
    const result = methodFn.call(arr, wrappedFn, thisArg);
    return needsWrap && wrappedRetFn ? wrappedRetFn(result) : result;
  }
  function reduce(self, method, fn, args) {
    const arr = shallowReadArray(self);
    let wrappedFn = fn;
    if (arr !== self) {
      if (!isShallow(self)) {
        wrappedFn = function(acc, item, index) {
          return fn.call(this, acc, toReactive(item), index, self);
        };
      } else if (fn.length > 3) {
        wrappedFn = function(acc, item, index) {
          return fn.call(this, acc, item, index, self);
        };
      }
    }
    return arr[method](wrappedFn, ...args);
  }
  function searchProxy(self, method, args) {
    const arr = toRaw(self);
    track(arr, "iterate", ARRAY_ITERATE_KEY);
    const res = arr[method](...args);
    if ((res === -1 || res === false) && isProxy(args[0])) {
      args[0] = toRaw(args[0]);
      return arr[method](...args);
    }
    return res;
  }
  function noTracking(self, method, args = []) {
    pauseTracking();
    startBatch();
    const res = toRaw(self)[method].apply(self, args);
    endBatch();
    resetTracking();
    return res;
  }

  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)
  );
  function hasOwnProperty(key) {
    if (!isSymbol(key)) key = String(key);
    const obj = toRaw(this);
    track(obj, "has", key);
    return obj.hasOwnProperty(key);
  }
  class BaseReactiveHandler {
    constructor(_isReadonly = false, _isShallow = false) {
      this._isReadonly = _isReadonly;
      this._isShallow = _isShallow;
    }
    get(target, key, receiver) {
      const isReadonly2 = this._isReadonly, isShallow2 = this._isShallow;
      if (key === "__v_isReactive") {
        return !isReadonly2;
      } else if (key === "__v_isReadonly") {
        return isReadonly2;
      } else if (key === "__v_isShallow") {
        return isShallow2;
      } else if (key === "__v_raw") {
        if (receiver === (isReadonly2 ? isShallow2 ? shallowReadonlyMap : readonlyMap : isShallow2 ? shallowReactiveMap : reactiveMap).get(target) || // receiver is not the reactive proxy, but has the same prototype
        // this means the receiver is a user proxy of the reactive proxy
        Object.getPrototypeOf(target) === Object.getPrototypeOf(receiver)) {
          return target;
        }
        return;
      }
      const targetIsArray = isArray(target);
      if (!isReadonly2) {
        let fn;
        if (targetIsArray && (fn = arrayInstrumentations[key])) {
          return fn;
        }
        if (key === "hasOwnProperty") {
          return hasOwnProperty;
        }
      }
      const res = Reflect.get(
        target,
        key,
        // if this is a proxy wrapping a ref, return methods using the raw ref
        // as receiver so that we don't have to call `toRaw` on the ref in all
        // its class methods
        isRef(target) ? target : receiver
      );
      if (isSymbol(key) ? builtInSymbols.has(key) : isNonTrackableKeys(key)) {
        return res;
      }
      if (!isReadonly2) {
        track(target, "get", key);
      }
      if (isShallow2) {
        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(isShallow2 = false) {
      super(false, isShallow2);
    }
    set(target, key, value, receiver) {
      let oldValue = target[key];
      if (!this._isShallow) {
        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,
        isRef(target) ? target : 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(isShallow2 = false) {
      super(true, isShallow2);
    }
    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, isReadonly2 = false, isShallow2 = false) {
    target = target["__v_raw"];
    const rawTarget = toRaw(target);
    const rawKey = toRaw(key);
    if (!isReadonly2) {
      if (hasChanged(key, rawKey)) {
        track(rawTarget, "get", key);
      }
      track(rawTarget, "get", rawKey);
    }
    const { has: has2 } = getProto(rawTarget);
    const wrap = isShallow2 ? toShallow : isReadonly2 ? 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, isReadonly2 = false) {
    const target = this["__v_raw"];
    const rawTarget = toRaw(target);
    const rawKey = toRaw(key);
    if (!isReadonly2) {
      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, isReadonly2 = false) {
    target = target["__v_raw"];
    !isReadonly2 && track(toRaw(target), "iterate", ITERATE_KEY);
    return Reflect.get(target, "size", target);
  }
  function add(value, _isShallow = false) {
    if (!_isShallow && !isShallow(value) && !isReadonly(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, _isShallow = false) {
    if (!_isShallow && !isShallow(value) && !isReadonly(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(isReadonly2, isShallow2) {
    return function forEach(callback, thisArg) {
      const observed = this;
      const target = observed["__v_raw"];
      const rawTarget = toRaw(target);
      const wrap = isShallow2 ? toShallow : isReadonly2 ? toReadonly : toReactive;
      !isReadonly2 && track(rawTarget, "iterate", ITERATE_KEY);
      return target.forEach((value, key) => {
        return callback.call(thisArg, wrap(value), wrap(key), observed);
      });
    };
  }
  function createIterableMethod(method, isReadonly2, isShallow2) {
    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 = isShallow2 ? toShallow : isReadonly2 ? toReadonly : toReactive;
      !isReadonly2 && 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 "${args[0]}" ` : ``;
        warn(
          `${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(value) {
        return add.call(this, value, true);
      },
      set(key, value) {
        return set.call(this, key, value, true);
      },
      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(isReadonly2, shallow) {
    const instrumentations = shallow ? isReadonly2 ? shallowReadonlyInstrumentations : shallowInstrumentations : isReadonly2 ? readonlyInstrumentations : mutableInstrumentations;
    return (target, key, receiver) => {
      if (key === "__v_isReactive") {
        return !isReadonly2;
      } else if (key === "__v_isReadonly") {
        return isReadonly2;
      } 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);
      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)) {
      {
        warn(
          `value cannot be made ${isReadonly2 ? "readonly" : "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 value ? !!value["__v_raw"] : false;
  }
  function toRaw(observed) {
    const raw = observed && observed["__v_raw"];
    return raw ? toRaw(raw) : observed;
  }
  function markRaw(value) {
    if (!hasOwn(value, "__v_skip") && Object.isExtensible(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 isRef(r) {
    return r ? r["__v_isRef"] === true : false;
  }
  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, isShallow2) {
      this.dep = new Dep();
      this["__v_isRef"] = true;
      this["__v_isShallow"] = false;
      this._rawValue = isShallow2 ? value : toRaw(value);
      this._value = isShallow2 ? value : toReactive(value);
      this["__v_isShallow"] = isShallow2;
    }
    get value() {
      {
        this.dep.track({
          target: this,
          type: "get",
          key: "value"
        });
      }
      return this._value;
    }
    set value(newValue) {
      const oldValue = this._rawValue;
      const useDirectValue = this["__v_isShallow"] || isShallow(newValue) || isReadonly(newValue);
      newValue = useDirectValue ? newValue : toRaw(newValue);
      if (hasChanged(newValue, oldValue)) {
        this._rawValue = newValue;
        this._value = useDirectValue ? newValue : toReactive(newValue);
        {
          this.dep.trigger({
            target: this,
            type: "set",
            key: "value",
            newValue,
            oldValue
          });
        }
      }
    }
  }
  function triggerRef(ref2) {
    {
      ref2.dep.trigger({
        target: ref2,
        type: "set",
        key: "value",
        newValue: 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) => key === "__v_raw" ? target : 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["__v_isRef"] = true;
      this._value = void 0;
      const dep = this.dep = new Dep();
      const { get, set } = factory(dep.track.bind(dep), dep.trigger.bind(dep));
      this._get = get;
      this._set = set;
    }
    get value() {
      return this._value = this._get();
    }
    set value(newVal) {
      this._set(newVal);
    }
  }
  function customRef(factory) {
    return new CustomRefImpl(factory);
  }
  function toRefs(object) {
    if (!isProxy(object)) {
      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;
      this._value = void 0;
    }
    get value() {
      const val = this._object[this._key];
      return this._value = 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;
      this._value = void 0;
    }
    get value() {
      return this._value = 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(fn, setter, isSSR) {
      this.fn = fn;
      this.setter = setter;
      /**
       * @internal
       */
      this._value = void 0;
      /**
       * @internal
       */
      this.dep = new Dep(this);
      /**
       * @internal
       */
      this.__v_isRef = true;
      // TODO isolatedDeclarations "__v_isReadonly"
      // A computed is also a subscriber that tracks other deps
      /**
       * @internal
       */
      this.deps = void 0;
      /**
       * @internal
       */
      this.depsTail = void 0;
      /**
       * @internal
       */
      this.flags = 16;
      /**
       * @internal
       */
      this.globalVersion = globalVersion - 1;
      // for backwards compat
      this.effect = this;
      this["__v_isReadonly"] = !setter;
      this.isSSR = isSSR;
    }
    /**
     * @internal
     */
    notify() {
      this.flags |= 16;
      if (activeSub !== this) {
        this.dep.notify();
      }
    }
    get value() {
      const link = this.dep.track({
        target: this,
        type: "get",
        key: "value"
      }) ;
      refreshComputed(this);
      if (link) {
        link.version = this.dep.version;
      }
      return this._value;
    }
    set value(newValue) {
      if (this.setter) {
        this.setter(newValue);
      } else {
        warn("Write operation failed: computed value is readonly");
      }
    }
  }
  function computed(getterOrOptions, debugOptions, isSSR = false) {
    let getter;
    let setter;
    if (isFunction(getterOrOptions)) {
      getter = getterOrOptions;
    } else {
      getter = getterOrOptions.get;
      setter = getterOrOptions.set;
    }
    const cRef = new ComputedRefImpl(getter, setter, isSSR);
    if (debugOptions && !isSSR) {
      cRef.onTrack = debugOptions.onTrack;
      cRef.onTrigger = debugOptions.onTrigger;
    }
    return cRef;
  }

  const TrackOpTypes = {
    "GET": "get",
    "HAS": "has",
    "ITERATE": "iterate"
  };
  const TriggerOpTypes = {
    "SET": "set",
    "ADD": "add",
    "DELETE": "delete",
    "CLEAR": "clear"
  };
  const ReactiveFlags = {
    "SKIP": "__v_skip",
    "IS_REACTIVE": "__v_isReactive",
    "IS_READONLY": "__v_isReadonly",
    "IS_SHALLOW": "__v_isShallow",
    "RAW": "__v_raw",
    "IS_REF": "__v_isRef"
  };

  const WatchErrorCodes = {
    "WATCH_GETTER": 2,
    "2": "WATCH_GETTER",
    "WATCH_CALLBACK": 3,
    "3": "WATCH_CALLBACK",
    "WATCH_CLEANUP": 4,
    "4": "WATCH_CLEANUP"
  };
  const INITIAL_WATCHER_VALUE = {};
  const cleanupMap = /* @__PURE__ */ new WeakMap();
  let activeWatcher = void 0;
  function getCurrentWatcher() {
    return activeWatcher;
  }
  function onWatcherCleanup(cleanupFn, failSilently = false, owner = activeWatcher) {
    if (owner) {
      let cleanups = cleanupMap.get(owner);
      if (!cleanups) cleanupMap.set(owner, cleanups = []);
      cleanups.push(cleanupFn);
    } else if (!failSilently) {
      warn(
        `onWatcherCleanup() was called when there was no active watcher to associate with.`
      );
    }
  }
  function watch(source, cb, options = EMPTY_OBJ) {
    const { immediate, deep, once, scheduler, augmentJob, call } = options;
    const warnInvalidSource = (s) => {
      (options.onWarn || warn)(
        `Invalid watch source: `,
        s,
        `A watch source can only be a getter/effect function, a ref, a reactive object, or an array of these types.`
      );
    };
    const reactiveGetter = (source2) => {
      if (deep) return source2;
      if (isShallow(source2) || deep === false || deep === 0)
        return traverse(source2, 1);
      return traverse(source2);
    };
    let effect;
    let getter;
    let cleanup;
    let boundCleanup;
    let forceTrigger = false;
    let isMultiSource = false;
    if (isRef(source)) {
      getter = () => source.value;
      forceTrigger = isShallow(source);
    } else if (isReactive(source)) {
      getter = () => reactiveGetter(source);
      forceTrigger = true;
    } else if (isArray(source)) {
      isMultiSource = true;
      forceTrigger = source.some((s) => isReactive(s) || isShallow(s));
      getter = () => source.map((s) => {
        if (isRef(s)) {
          return s.value;
        } else if (isReactive(s)) {
          return reactiveGetter(s);
        } else if (isFunction(s)) {
          return call ? call(s, 2) : s();
        } else {
          warnInvalidSource(s);
        }
      });
    } else if (isFunction(source)) {
      if (cb) {
        getter = call ? () => call(source, 2) : source;
      } else {
        getter = () => {
          if (cleanup) {
            pauseTracking();
            try {
              cleanup();
            } finally {
              resetTracking();
            }
          }
          const currentEffect = activeWatcher;
          activeWatcher = effect;
          try {
            return call ? call(source, 3, [boundCleanup]) : source(boundCleanup);
          } finally {
            activeWatcher = currentEffect;
          }
        };
      }
    } else {
      getter = NOOP;
      warnInvalidSource(source);
    }
    if (cb && deep) {
      const baseGetter = getter;
      const depth = deep === true ? Infinity : deep;
      getter = () => traverse(baseGetter(), depth);
    }
    const scope = getCurrentScope();
    const watchHandle = () => {
      effect.stop();
      if (scope) {
        remove(scope.effects, effect);
      }
    };
    if (once) {
      if (cb) {
        const _cb = cb;
        cb = (...args) => {
          _cb(...args);
          watchHandle();
        };
      } else {
        const _getter = getter;
        getter = () => {
          _getter();
          watchHandle();
        };
      }
    }
    let oldValue = isMultiSource ? new Array(source.length).fill(INITIAL_WATCHER_VALUE) : INITIAL_WATCHER_VALUE;
    const job = (immediateFirstRun) => {
      if (!(effect.flags & 1) || !effect.dirty && !immediateFirstRun) {
        return;
      }
      if (cb) {
        const newValue = effect.run();
        if (deep || forceTrigger || (isMultiSource ? newValue.some((v, i) => hasChanged(v, oldValue[i])) : hasChanged(newValue, oldValue))) {
          if (cleanup) {
            cleanup();
          }
          const currentWatcher = activeWatcher;
          activeWatcher = effect;
          try {
            const args = [
              newValue,
              // pass undefined as the old value when it's changed for the first time
              oldValue === INITIAL_WATCHER_VALUE ? void 0 : isMultiSource && oldValue[0] === INITIAL_WATCHER_VALUE ? [] : oldValue,
              boundCleanup
            ];
            call ? call(cb, 3, args) : (
              // @ts-expect-error
              cb(...args)
            );
            oldValue = newValue;
          } finally {
            activeWatcher = currentWatcher;
          }
        }
      } else {
        effect.run();
      }
    };
    if (augmentJob) {
      augmentJob(job);
    }
    effect = new ReactiveEffect(getter);
    effect.scheduler = scheduler ? () => scheduler(job, false) : job;
    boundCleanup = (fn) => onWatcherCleanup(fn, false, effect);
    cleanup = effect.onStop = () => {
      const cleanups = cleanupMap.get(effect);
      if (cleanups) {
        if (call) {
          call(cleanups, 4);
        } else {
          for (const cleanup2 of cleanups) cleanup2();
        }
        cleanupMap.delete(effect);
      }
    };
    {
      effect.onTrack = options.onTrack;
      effect.onTrigger = options.onTrigger;
    }
    if (cb) {
      if (immediate) {
        job(true);
      } else {
        oldValue = effect.run();
      }
    } else if (scheduler) {
      scheduler(job.bind(null, true), true);
    } else {
      effect.run();
    }
    watchHandle.pause = effect.pause.bind(effect);
    watchHandle.resume = effect.resume.bind(effect);
    watchHandle.stop = watchHandle;
    return watchHandle;
  }
  function traverse(value, depth = Infinity, seen) {
    if (depth <= 0 || !isObject(value) || value["__v_skip"]) {
      return value;
    }
    seen = seen || /* @__PURE__ */ new Set();
    if (seen.has(value)) {
      return value;
    }
    seen.add(value);
    depth--;
    if (isRef(value)) {
      traverse(value.value, depth, seen);
    } else if (isArray(value)) {
      for (let i = 0; i < value.length; i++) {
        traverse(value[i], depth, seen);
      }
    } else if (isSet(value) || isMap(value)) {
      value.forEach((v) => {
        traverse(v, depth, seen);
      });
    } else if (isPlainObject(value)) {
      for (const key in value) {
        traverse(value[key], depth, seen);
      }
      for (const key of Object.getOwnPropertySymbols(value)) {
        if (Object.prototype.propertyIsEnumerable.call(value, key)) {
          traverse(value[key], depth, seen);
        }
      }
    }
    return value;
  }

  exports.ARRAY_ITERATE_KEY = ARRAY_ITERATE_KEY;
  exports.EffectFlags = EffectFlags;
  exports.EffectScope = EffectScope;
  exports.ITERATE_KEY = ITERATE_KEY;
  exports.MAP_KEY_ITERATE_KEY = MAP_KEY_ITERATE_KEY;
  exports.ReactiveEffect = ReactiveEffect;
  exports.ReactiveFlags = ReactiveFlags;
  exports.TrackOpTypes = TrackOpTypes;
  exports.TriggerOpTypes = TriggerOpTypes;
  exports.WatchErrorCodes = WatchErrorCodes;
  exports.computed = computed;
  exports.customRef = customRef;
  exports.effect = effect;
  exports.effectScope = effectScope;
  exports.enableTracking = enableTracking;
  exports.getCurrentScope = getCurrentScope;
  exports.getCurrentWatcher = getCurrentWatcher;
  exports.isProxy = isProxy;
  exports.isReactive = isReactive;
  exports.isReadonly = isReadonly;
  exports.isRef = isRef;
  exports.isShallow = isShallow;
  exports.markRaw = markRaw;
  exports.onEffectCleanup = onEffectCleanup;
  exports.onScopeDispose = onScopeDispose;
  exports.onWatcherCleanup = onWatcherCleanup;
  exports.pauseTracking = pauseTracking;
  exports.proxyRefs = proxyRefs;
  exports.reactive = reactive;
  exports.reactiveReadArray = reactiveReadArray;
  exports.readonly = readonly;
  exports.ref = ref;
  exports.resetTracking = resetTracking;
  exports.shallowReactive = shallowReactive;
  exports.shallowReadArray = shallowReadArray;
  exports.shallowReadonly = shallowReadonly;
  exports.shallowRef = shallowRef;
  exports.stop = stop;
  exports.toRaw = toRaw;
  exports.toReactive = toReactive;
  exports.toReadonly = toReadonly;
  exports.toRef = toRef;
  exports.toRefs = toRefs;
  exports.toValue = toValue;
  exports.track = track;
  exports.traverse = traverse;
  exports.trigger = trigger;
  exports.triggerRef = triggerRef;
  exports.unref = unref;
  exports.watch = watch;

  return exports;

})({});