init

es/_chunks/@vue/index.js

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+const NOOP = () => {
+};
+const isArray = Array.isArray;
+const isFunction = (val) => typeof val === "function";
+const isSymbol = (val) => typeof val === "symbol";
+let activeEffectScope;
+function recordEffectScope(effect, scope = activeEffectScope) {
+  if (scope && scope.active) {
+    scope.effects.push(effect);
+  }
+}
+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;
+  }
+};
+let effectTrackDepth = 0;
+let trackOpBit = 1;
+const maxMarkerBits = 30;
+let activeEffect;
+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(effect) {
+  const { deps } = effect;
+  if (deps.length) {
+    for (let i = 0; i < deps.length; i++) {
+      deps[i].delete(effect);
+    }
+    deps.length = 0;
+  }
+}
+let shouldTrack = true;
+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);
+  }
+}
+function triggerEffects(dep, debuggerEventExtraInfo) {
+  const effects = isArray(dep) ? dep : [...dep];
+  for (const effect of effects) {
+    if (effect.computed) {
+      triggerEffect(effect);
+    }
+  }
+  for (const effect of effects) {
+    if (!effect.computed) {
+      triggerEffect(effect);
+    }
+  }
+}
+function triggerEffect(effect, debuggerEventExtraInfo) {
+  if (effect !== activeEffect || effect.allowRecurse) {
+    if (effect.scheduler) {
+      effect.scheduler();
+    } else {
+      effect.run();
+    }
+  }
+}
+new Set(/* @__PURE__ */ Object.getOwnPropertyNames(Symbol).filter((key) => key !== "arguments" && key !== "caller").map((key) => Symbol[key]).filter(isSymbol));
+function toRaw(observed) {
+  const raw = observed && observed["__v_raw"];
+  return raw ? toRaw(raw) : observed;
+}
+function trackRefValue(ref) {
+  if (shouldTrack && activeEffect) {
+    ref = toRaw(ref);
+    {
+      trackEffects(ref.dep || (ref.dep = createDep()));
+    }
+  }
+}
+function triggerRefValue(ref, newVal) {
+  ref = toRaw(ref);
+  if (ref.dep) {
+    {
+      triggerEffects(ref.dep);
+    }
+  }
+}
+class ComputedRefImpl {
+  constructor(getter, _setter, isReadonly, isSSR) {
+    this._setter = _setter;
+    this.dep = void 0;
+    this.__v_isRef = true;
+    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 = NOOP;
+  } else {
+    getter = getterOrOptions.get;
+    setter = getterOrOptions.set;
+  }
+  const cRef = new ComputedRefImpl(getter, setter, onlyGetter || !setter, isSSR);
+  return cRef;
+}
+export { computed as c };