vue.runtime.esm.js

import { isSymbol, extend, isMap, isObject, toRawType, def, isArray, isString, isFunction, isPromise, toHandlerKey, remove, EMPTY_OBJ, NOOP, isGloballyWhitelisted, isIntegerKey, hasOwn, hasChanged, capitalize, NO, invokeArrayFns, isSet, makeMap, toNumber, hyphenate, camelize, isReservedProp, EMPTY_ARR, toTypeString, isOn } from '@vue/shared';
export { camelize } from '@vue/shared';

const targetMap = new WeakMap();
const effectStack = [];
let activeEffect;
const ITERATE_KEY = Symbol((process.env.NODE_ENV !== 'production') ? 'iterate' : '');
const MAP_KEY_ITERATE_KEY = Symbol((process.env.NODE_ENV !== 'production') ? 'Map key iterate' : '');
function isEffect(fn) {
    return fn && fn._isEffect === true;
}
function effect(fn, options = EMPTY_OBJ) {
    if (isEffect(fn)) {
        fn = fn.raw;
    }
    const effect = createReactiveEffect(fn, options);
    if (!options.lazy) {
        effect();
    }
    return effect;
}
function stop(effect) {
    if (effect.active) {
        cleanup(effect);
        if (effect.options.onStop) {
            effect.options.onStop();
        }
        effect.active = false;
    }
}
let uid = 0;
function createReactiveEffect(fn, options) {
    const effect = function reactiveEffect() {
        if (!effect.active) {
            return options.scheduler ? undefined : fn();
        }
        if (!effectStack.includes(effect)) {
            cleanup(effect);
            try {
                enableTracking();
                effectStack.push(effect);
                activeEffect = effect;
                return fn();
            }
            finally {
                effectStack.pop();
                resetTracking();
                activeEffect = effectStack[effectStack.length - 1];
            }
        }
    };
    effect.id = uid++;
    effect.allowRecurse = !!options.allowRecurse;
    effect._isEffect = true;
    effect.active = true;
    effect.raw = fn;
    effect.deps = [];
    effect.options = options;
    return effect;
}
function cleanup(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;
const trackStack = [];
function pauseTracking() {
    trackStack.push(shouldTrack);
    shouldTrack = false;
}
function enableTracking() {
    trackStack.push(shouldTrack);
    shouldTrack = true;
}
function resetTracking() {
    const last = trackStack.pop();
    shouldTrack = last === undefined ? true : last;
}
function track(target, type, key) {
    if (!shouldTrack || activeEffect === undefined) {
        return;
    }
    let depsMap = targetMap.get(target);
    if (!depsMap) {
        targetMap.set(target, (depsMap = new Map()));
    }
    let dep = depsMap.get(key);
    if (!dep) {
        depsMap.set(key, (dep = new Set()));
    }
    if (!dep.has(activeEffect)) {
        dep.add(activeEffect);
        activeEffect.deps.push(dep);
        if ((process.env.NODE_ENV !== 'production') && activeEffect.options.onTrack) {
            activeEffect.options.onTrack({
                effect: activeEffect,
                target,
                type,
                key
            });
        }
    }
}
function trigger(target, type, key, newValue, oldValue, oldTarget) {
    const depsMap = targetMap.get(target);
    if (!depsMap) {
        // never been tracked
        return;
    }
    const effects = new Set();
    const add = (effectsToAdd) => {
        if (effectsToAdd) {
            effectsToAdd.forEach(effect => {
                if (effect !== activeEffect || effect.allowRecurse) {
                    effects.add(effect);
                }
            });
        }
    };
    if (type === "clear" /* CLEAR */) {
        // collection being cleared
        // trigger all effects for target
        depsMap.forEach(add);
    }
    else if (key === 'length' && isArray(target)) {
        depsMap.forEach((dep, key) => {
            if (key === 'length' || key >= newValue) {
                add(dep);
            }
        });
    }
    else {
        // schedule runs for SET | ADD | DELETE
        if (key !== void 0) {
            add(depsMap.get(key));
        }
        // also run for iteration key on ADD | DELETE | Map.SET
        switch (type) {
            case "add" /* ADD */:
                if (!isArray(target)) {
                    add(depsMap.get(ITERATE_KEY));
                    if (isMap(target)) {
                        add(depsMap.get(MAP_KEY_ITERATE_KEY));
                    }
                }
                else if (isIntegerKey(key)) {
                    // new index added to array -> length changes
                    add(depsMap.get('length'));
                }
                break;
            case "delete" /* DELETE */:
                if (!isArray(target)) {
                    add(depsMap.get(ITERATE_KEY));
                    if (isMap(target)) {
                        add(depsMap.get(MAP_KEY_ITERATE_KEY));
                    }
                }
                break;
            case "set" /* SET */:
                if (isMap(target)) {
                    add(depsMap.get(ITERATE_KEY));
                }
                break;
        }
    }
    const run = (effect) => {
        if ((process.env.NODE_ENV !== 'production') && effect.options.onTrigger) {
            effect.options.onTrigger({
                effect,
                target,
                key,
                type,
                newValue,
                oldValue,
                oldTarget
            });
        }
        if (effect.options.scheduler) {
            effect.options.scheduler(effect);
        }
        else {
            effect();
        }
    };
    effects.forEach(run);
}

const builtInSymbols = new Set(Object.getOwnPropertyNames(Symbol)
    .map(key => Symbol[key])
    .filter(isSymbol));
const get = /*#__PURE__*/ createGetter();
const shallowGet = /*#__PURE__*/ createGetter(false, true);
const readonlyGet = /*#__PURE__*/ createGetter(true);
const shallowReadonlyGet = /*#__PURE__*/ createGetter(true, true);
const arrayInstrumentations = {};
['includes', 'indexOf', 'lastIndexOf'].forEach(key => {
    const method = Array.prototype[key];
    arrayInstrumentations[key] = function (...args) {
        const arr = toRaw(this);
        for (let i = 0, l = this.length; i < l; i++) {
            track(arr, "get" /* GET */, i + '');
        }
        // we run the method using the original args first (which may be reactive)
        const res = method.apply(arr, args);
        if (res === -1 || res === false) {
            // if that didn't work, run it again using raw values.
            return method.apply(arr, args.map(toRaw));
        }
        else {
            return res;
        }
    };
});
['push', 'pop', 'shift', 'unshift', 'splice'].forEach(key => {
    const method = Array.prototype[key];
    arrayInstrumentations[key] = function (...args) {
        pauseTracking();
        const res = method.apply(this, args);
        resetTracking();
        return res;
    };
});
function createGetter(isReadonly = false, shallow = false) {
    return function get(target, key, receiver) {
        if (key === "__v_isReactive" /* IS_REACTIVE */) {
            return !isReadonly;
        }
        else if (key === "__v_isReadonly" /* IS_READONLY */) {
            return isReadonly;
        }
        else if (key === "__v_raw" /* RAW */ &&
            receiver === (isReadonly ? readonlyMap : reactiveMap).get(target)) {
            return target;
        }
        const targetIsArray = isArray(target);
        if (targetIsArray && hasOwn(arrayInstrumentations, key)) {
            return Reflect.get(arrayInstrumentations, key, receiver);
        }
        const res = Reflect.get(target, key, receiver);
        if (isSymbol(key)
            ? builtInSymbols.has(key)
            : key === `__proto__` || key === `__v_isRef`) {
            return res;
        }
        if (!isReadonly) {
            track(target, "get" /* GET */, key);
        }
        if (shallow) {
            return res;
        }
        if (isRef(res)) {
            // ref unwrapping - does not apply for Array + integer key.
            const shouldUnwrap = !targetIsArray || !isIntegerKey(key);
            return shouldUnwrap ? res.value : res;
        }
        if (isObject(res)) {
            // Convert returned value into a proxy as well. we do the isObject check
            // here to avoid invalid value warning. Also need to lazy access readonly
            // and reactive here to avoid circular dependency.
            return isReadonly ? readonly(res) : reactive(res);
        }
        return res;
    };
}
const set = /*#__PURE__*/ createSetter();
const shallowSet = /*#__PURE__*/ createSetter(true);
function createSetter(shallow = false) {
    return function set(target, key, value, receiver) {
        const oldValue = target[key];
        if (!shallow) {
            value = toRaw(value);
            if (!isArray(target) && isRef(oldValue) && !isRef(value)) {
                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);
        // don't trigger if target is something up in the prototype chain of original
        if (target === toRaw(receiver)) {
            if (!hadKey) {
                trigger(target, "add" /* ADD */, key, value);
            }
            else if (hasChanged(value, oldValue)) {
                trigger(target, "set" /* SET */, key, value, oldValue);
            }
        }
        return result;
    };
}
function deleteProperty(target, key) {
    const hadKey = hasOwn(target, key);
    const oldValue = target[key];
    const result = Reflect.deleteProperty(target, key);
    if (result && hadKey) {
        trigger(target, "delete" /* DELETE */, key, undefined, oldValue);
    }
    return result;
}
function has(target, key) {
    const result = Reflect.has(target, key);
    if (!isSymbol(key) || !builtInSymbols.has(key)) {
        track(target, "has" /* HAS */, key);
    }
    return result;
}
function ownKeys(target) {
    track(target, "iterate" /* ITERATE */, isArray(target) ? 'length' : ITERATE_KEY);
    return Reflect.ownKeys(target);
}
const mutableHandlers = {
    get,
    set,
    deleteProperty,
    has,
    ownKeys
};
const readonlyHandlers = {
    get: readonlyGet,
    set(target, key) {
        if ((process.env.NODE_ENV !== 'production')) {
            console.warn(`Set operation on key "${String(key)}" failed: target is readonly.`, target);
        }
        return true;
    },
    deleteProperty(target, key) {
        if ((process.env.NODE_ENV !== 'production')) {
            console.warn(`Delete operation on key "${String(key)}" failed: target is readonly.`, target);
        }
        return true;
    }
};
const shallowReactiveHandlers = extend({}, mutableHandlers, {
    get: shallowGet,
    set: shallowSet
});
// Props handlers are special in the sense that it should not unwrap top-level
// refs (in order to allow refs to be explicitly passed down), but should
// retain the reactivity of the normal readonly object.
const shallowReadonlyHandlers = extend({}, readonlyHandlers, {
    get: shallowReadonlyGet
});

const toReactive = (value) => isObject(value) ? reactive(value) : value;
const toReadonly = (value) => isObject(value) ? readonly(value) : value;
const toShallow = (value) => value;
const getProto = (v) => Reflect.getPrototypeOf(v);
function get$1(target, key, isReadonly = false, isShallow = false) {
    // #1772: readonly(reactive(Map)) should return readonly + reactive version
    // of the value
    target = target["__v_raw" /* RAW */];
    const rawTarget = toRaw(target);
    const rawKey = toRaw(key);
    if (key !== rawKey) {
        !isReadonly && track(rawTarget, "get" /* GET */, key);
    }
    !isReadonly && track(rawTarget, "get" /* GET */, rawKey);
    const { has } = getProto(rawTarget);
    const wrap = isReadonly ? toReadonly : isShallow ? toShallow : toReactive;
    if (has.call(rawTarget, key)) {
        return wrap(target.get(key));
    }
    else if (has.call(rawTarget, rawKey)) {
        return wrap(target.get(rawKey));
    }
}
function has$1(key, isReadonly = false) {
    const target = this["__v_raw" /* RAW */];
    const rawTarget = toRaw(target);
    const rawKey = toRaw(key);
    if (key !== rawKey) {
        !isReadonly && track(rawTarget, "has" /* HAS */, key);
    }
    !isReadonly && track(rawTarget, "has" /* HAS */, rawKey);
    return key === rawKey
        ? target.has(key)
        : target.has(key) || target.has(rawKey);
}
function size(target, isReadonly = false) {
    target = target["__v_raw" /* RAW */];
    !isReadonly && track(toRaw(target), "iterate" /* 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);
    const result = target.add(value);
    if (!hadKey) {
        trigger(target, "add" /* ADD */, value, value);
    }
    return result;
}
function set$1(key, value) {
    value = toRaw(value);
    const target = toRaw(this);
    const { has, get } = getProto(target);
    let hadKey = has.call(target, key);
    if (!hadKey) {
        key = toRaw(key);
        hadKey = has.call(target, key);
    }
    else if ((process.env.NODE_ENV !== 'production')) {
        checkIdentityKeys(target, has, key);
    }
    const oldValue = get.call(target, key);
    const result = target.set(key, value);
    if (!hadKey) {
        trigger(target, "add" /* ADD */, key, value);
    }
    else if (hasChanged(value, oldValue)) {
        trigger(target, "set" /* SET */, key, value, oldValue);
    }
    return result;
}
function deleteEntry(key) {
    const target = toRaw(this);
    const { has, get } = getProto(target);
    let hadKey = has.call(target, key);
    if (!hadKey) {
        key = toRaw(key);
        hadKey = has.call(target, key);
    }
    else if ((process.env.NODE_ENV !== 'production')) {
        checkIdentityKeys(target, has, key);
    }
    const oldValue = get ? get.call(target, key) : undefined;
    // forward the operation before queueing reactions
    const result = target.delete(key);
    if (hadKey) {
        trigger(target, "delete" /* DELETE */, key, undefined, oldValue);
    }
    return result;
}
function clear() {
    const target = toRaw(this);
    const hadItems = target.size !== 0;
    const oldTarget = (process.env.NODE_ENV !== 'production')
        ? isMap(target)
            ? new Map(target)
            : new Set(target)
        : undefined;
    // forward the operation before queueing reactions
    const result = target.clear();
    if (hadItems) {
        trigger(target, "clear" /* CLEAR */, undefined, undefined, oldTarget);
    }
    return result;
}
function createForEach(isReadonly, isShallow) {
    return function forEach(callback, thisArg) {
        const observed = this;
        const target = observed["__v_raw" /* RAW */];
        const rawTarget = toRaw(target);
        const wrap = isReadonly ? toReadonly : isShallow ? toShallow : toReactive;
        !isReadonly && track(rawTarget, "iterate" /* ITERATE */, ITERATE_KEY);
        return target.forEach((value, key) => {
            // important: make sure the callback is
            // 1. invoked with the reactive map as `this` and 3rd arg
            // 2. the value received should be a corresponding reactive/readonly.
            return callback.call(thisArg, wrap(value), wrap(key), observed);
        });
    };
}
function createIterableMethod(method, isReadonly, isShallow) {
    return function (...args) {
        const target = this["__v_raw" /* 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 = isReadonly ? toReadonly : isShallow ? toShallow : toReactive;
        !isReadonly &&
            track(rawTarget, "iterate" /* ITERATE */, isKeyOnly ? MAP_KEY_ITERATE_KEY : ITERATE_KEY);
        // return a wrapped iterator which returns observed versions of the
        // values emitted from the real iterator
        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) {
        if ((process.env.NODE_ENV !== 'production')) {
            const key = args[0] ? `on key "${args[0]}" ` : ``;
            console.warn(`${capitalize(type)} operation ${key}failed: target is readonly.`, toRaw(this));
        }
        return type === "delete" /* DELETE */ ? false : this;
    };
}
const mutableInstrumentations = {
    get(key) {
        return get$1(this, key);
    },
    get size() {
        return size(this);
    },
    has: has$1,
    add,
    set: set$1,
    delete: deleteEntry,
    clear,
    forEach: createForEach(false, false)
};
const shallowInstrumentations = {
    get(key) {
        return get$1(this, key, false, true);
    },
    get size() {
        return size(this);
    },
    has: has$1,
    add,
    set: set$1,
    delete: deleteEntry,
    clear,
    forEach: createForEach(false, true)
};
const readonlyInstrumentations = {
    get(key) {
        return get$1(this, key, true);
    },
    get size() {
        return size(this, true);
    },
    has(key) {
        return has$1.call(this, key, true);
    },
    add: createReadonlyMethod("add" /* ADD */),
    set: createReadonlyMethod("set" /* SET */),
    delete: createReadonlyMethod("delete" /* DELETE */),
    clear: createReadonlyMethod("clear" /* CLEAR */),
    forEach: createForEach(true, false)
};
const iteratorMethods = ['keys', 'values', 'entries', Symbol.iterator];
iteratorMethods.forEach(method => {
    mutableInstrumentations[method] = createIterableMethod(method, false, false);
    readonlyInstrumentations[method] = createIterableMethod(method, true, false);
    shallowInstrumentations[method] = createIterableMethod(method, false, true);
});
function createInstrumentationGetter(isReadonly, shallow) {
    const instrumentations = shallow
        ? shallowInstrumentations
        : isReadonly
            ? readonlyInstrumentations
            : mutableInstrumentations;
    return (target, key, receiver) => {
        if (key === "__v_isReactive" /* IS_REACTIVE */) {
            return !isReadonly;
        }
        else if (key === "__v_isReadonly" /* IS_READONLY */) {
            return isReadonly;
        }
        else if (key === "__v_raw" /* RAW */) {
            return target;
        }
        return Reflect.get(hasOwn(instrumentations, key) && key in target
            ? instrumentations
            : target, key, receiver);
    };
}
const mutableCollectionHandlers = {
    get: createInstrumentationGetter(false, false)
};
const shallowCollectionHandlers = {
    get: createInstrumentationGetter(false, true)
};
const readonlyCollectionHandlers = {
    get: createInstrumentationGetter(true, false)
};
function checkIdentityKeys(target, has, key) {
    const rawKey = toRaw(key);
    if (rawKey !== key && has.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 = new WeakMap();
const readonlyMap = 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" /* SKIP */] || !Object.isExtensible(value)
        ? 0 /* INVALID */
        : targetTypeMap(toRawType(value));
}
function reactive(target) {
    // if trying to observe a readonly proxy, return the readonly version.
    if (target && target["__v_isReadonly" /* IS_READONLY */]) {
        return target;
    }
    return createReactiveObject(target, false, mutableHandlers, mutableCollectionHandlers);
}
// Return a reactive-copy of the original object, where only the root level
// properties are reactive, and does NOT unwrap refs nor recursively convert
// returned properties.
function shallowReactive(target) {
    return createReactiveObject(target, false, shallowReactiveHandlers, shallowCollectionHandlers);
}
function readonly(target) {
    return createReactiveObject(target, true, readonlyHandlers, readonlyCollectionHandlers);
}
// Return a reactive-copy of the original object, where only the root level
// properties are readonly, and does NOT unwrap refs nor recursively convert
// returned properties.
// This is used for creating the props proxy object for stateful components.
function shallowReadonly(target) {
    return createReactiveObject(target, true, shallowReadonlyHandlers, readonlyCollectionHandlers);
}
function createReactiveObject(target, isReadonly, baseHandlers, collectionHandlers) {
    if (!isObject(target)) {
        if ((process.env.NODE_ENV !== 'production')) {
            console.warn(`value cannot be made reactive: ${String(target)}`);
        }
        return target;
    }
    // target is already a Proxy, return it.
    // exception: calling readonly() on a reactive object
    if (target["__v_raw" /* RAW */] &&
        !(isReadonly && target["__v_isReactive" /* IS_REACTIVE */])) {
        return target;
    }
    // target already has corresponding Proxy
    const proxyMap = isReadonly ? readonlyMap : reactiveMap;
    const existingProxy = proxyMap.get(target);
    if (existingProxy) {
        return existingProxy;
    }
    // only a whitelist of value types can be observed.
    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" /* RAW */]);
    }
    return !!(value && value["__v_isReactive" /* IS_REACTIVE */]);
}
function isReadonly(value) {
    return !!(value && value["__v_isReadonly" /* IS_READONLY */]);
}
function isProxy(value) {
    return isReactive(value) || isReadonly(value);
}
function toRaw(observed) {
    return ((observed && toRaw(observed["__v_raw" /* RAW */])) || observed);
}
function markRaw(value) {
    def(value, "__v_skip" /* SKIP */, true);
    return value;
}

const convert = (val) => isObject(val) ? reactive(val) : val;
function isRef(r) {
    return Boolean(r && r.__v_isRef === true);
}
function ref(value) {
    return createRef(value);
}
function shallowRef(value) {
    return createRef(value, true);
}
class RefImpl {
    constructor(_rawValue, _shallow = false) {
        this._rawValue = _rawValue;
        this._shallow = _shallow;
        this.__v_isRef = true;
        this._value = _shallow ? _rawValue : convert(_rawValue);
    }
    get value() {
        track(toRaw(this), "get" /* GET */, 'value');
        return this._value;
    }
    set value(newVal) {
        if (hasChanged(toRaw(newVal), this._rawValue)) {
            this._rawValue = newVal;
            this._value = this._shallow ? newVal : convert(newVal);
            trigger(toRaw(this), "set" /* SET */, 'value', newVal);
        }
    }
}
function createRef(rawValue, shallow = false) {
    if (isRef(rawValue)) {
        return rawValue;
    }
    return new RefImpl(rawValue, shallow);
}
function triggerRef(ref) {
    trigger(toRaw(ref), "set" /* SET */, 'value', (process.env.NODE_ENV !== 'production') ? ref.value : void 0);
}
function unref(ref) {
    return isRef(ref) ? ref.value : ref;
}
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.__v_isRef = true;
        const { get, set } = factory(() => track(this, "get" /* GET */, 'value'), () => trigger(this, "set" /* SET */, 'value'));
        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 ((process.env.NODE_ENV !== 'production') && !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] = toRef(object, key);
    }
    return ret;
}
class ObjectRefImpl {
    constructor(_object, _key) {
        this._object = _object;
        this._key = _key;
        this.__v_isRef = true;
    }
    get value() {
        return this._object[this._key];
    }
    set value(newVal) {
        this._object[this._key] = newVal;
    }
}
function toRef(object, key) {
    return isRef(object[key])
        ? object[key]
        : new ObjectRefImpl(object, key);
}

class ComputedRefImpl {
    constructor(getter, _setter, isReadonly) {
        this._setter = _setter;
        this._dirty = true;
        this.__v_isRef = true;
        this.effect = effect(getter, {
            lazy: true,
            scheduler: () => {
                if (!this._dirty) {
                    this._dirty = true;
                    trigger(toRaw(this), "set" /* SET */, 'value');
                }
            }
        });
        this["__v_isReadonly" /* IS_READONLY */] = isReadonly;
    }
    get value() {
        if (this._dirty) {
            this._value = this.effect();
            this._dirty = false;
        }
        track(toRaw(this), "get" /* GET */, 'value');
        return this._value;
    }
    set value(newValue) {
        this._setter(newValue);
    }
}
function computed(getterOrOptions) {
    let getter;
    let setter;
    if (isFunction(getterOrOptions)) {
        getter = getterOrOptions;
        setter = (process.env.NODE_ENV !== 'production')
            ? () => {
                console.warn('Write operation failed: computed value is readonly');
            }
            : NOOP;
    }
    else {
        getter = getterOrOptions.get;
        setter = getterOrOptions.set;
    }
    return new ComputedRefImpl(getter, setter, isFunction(getterOrOptions) || !getterOrOptions.set);
}

const stack = [];
function pushWarningContext(vnode) {
    stack.push(vnode);
}
function popWarningContext() {
    stack.pop();
}
function warn(msg, ...args) {
    // avoid props formatting or warn handler tracking deps that might be mutated
    // during patch, leading to infinite recursion.
    pauseTracking();
    const instance = stack.length ? stack[stack.length - 1].component : null;
    const appWarnHandler = instance && instance.appContext.config.warnHandler;
    const trace = getComponentTrace();
    if (appWarnHandler) {
        callWithErrorHandling(appWarnHandler, instance, 11 /* APP_WARN_HANDLER */, [
            msg + args.join(''),
            instance && instance.proxy,
            trace
                .map(({ vnode }) => `at <${formatComponentName(instance, vnode.type)}>`)
                .join('\n'),
            trace
        ]);
    }
    else {
        const warnArgs = [`[Vue warn]: ${msg}`, ...args];
        /* istanbul ignore if */
        if (trace.length &&
            // avoid spamming console during tests
            !false) {
            warnArgs.push(`\n`, ...formatTrace(trace));
        }
        console.warn(...warnArgs);
    }
    resetTracking();
}
function getComponentTrace() {
    let currentVNode = stack[stack.length - 1];
    if (!currentVNode) {
        return [];
    }
    // we can't just use the stack because it will be incomplete during updates
    // that did not start from the root. Re-construct the parent chain using
    // instance parent pointers.
    const normalizedStack = [];
    while (currentVNode) {
        const last = normalizedStack[0];
        if (last && last.vnode === currentVNode) {
            last.recurseCount++;
        }
        else {
            normalizedStack.push({
                vnode: currentVNode,
                recurseCount: 0
            });
        }
        const parentInstance = currentVNode.component && currentVNode.component.parent;
        currentVNode = parentInstance && parentInstance.vnode;
    }
    return normalizedStack;
}
/* istanbul ignore next */
function formatTrace(trace) {
    const logs = [];
    trace.forEach((entry, i) => {
        logs.push(...(i === 0 ? [] : [`\n`]), ...formatTraceEntry(entry));
    });
    return logs;
}
function formatTraceEntry({ vnode, recurseCount }) {
    const postfix = recurseCount > 0 ? `... (${recurseCount} recursive calls)` : ``;
    const isRoot = vnode.component ? vnode.component.parent == null : false;
    const open = ` at <${formatComponentName(vnode.component, vnode.type, isRoot)}`;
    const close = `>` + postfix;
    return vnode.props
        ? [open, ...formatProps(vnode.props), close]
        : [open + close];
}
/* istanbul ignore next */
function formatProps(props) {
    const res = [];
    const keys = Object.keys(props);
    keys.slice(0, 3).forEach(key => {
        res.push(...formatProp(key, props[key]));
    });
    if (keys.length > 3) {
        res.push(` ...`);
    }
    return res;
}
/* istanbul ignore next */
function formatProp(key, value, raw) {
    if (isString(value)) {
        value = JSON.stringify(value);
        return raw ? value : [`${key}=${value}`];
    }
    else if (typeof value === 'number' ||
        typeof value === 'boolean' ||
        value == null) {
        return raw ? value : [`${key}=${value}`];
    }
    else if (isRef(value)) {
        value = formatProp(key, toRaw(value.value), true);
        return raw ? value : [`${key}=Ref<`, value, `>`];
    }
    else if (isFunction(value)) {
        return [`${key}=fn${value.name ? `<${value.name}>` : ``}`];
    }
    else {
        value = toRaw(value);
        return raw ? value : [`${key}=`, value];
    }
}

const ErrorTypeStrings = {
    ["bc" /* BEFORE_CREATE */]: 'beforeCreate hook',
    ["c" /* CREATED */]: 'created hook',
    ["bm" /* BEFORE_MOUNT */]: 'beforeMount hook',
    ["m" /* MOUNTED */]: 'mounted hook',
    ["bu" /* BEFORE_UPDATE */]: 'beforeUpdate hook',
    ["u" /* UPDATED */]: 'updated',
    ["bum" /* BEFORE_UNMOUNT */]: 'beforeUnmount hook',
    ["um" /* UNMOUNTED */]: 'unmounted hook',
    ["a" /* ACTIVATED */]: 'activated hook',
    ["da" /* DEACTIVATED */]: 'deactivated hook',
    ["ec" /* ERROR_CAPTURED */]: 'errorCaptured hook',
    ["rtc" /* RENDER_TRACKED */]: 'renderTracked hook',
    ["rtg" /* RENDER_TRIGGERED */]: 'renderTriggered hook',
    [0 /* SETUP_FUNCTION */]: 'setup function',
    [1 /* RENDER_FUNCTION */]: 'render function',
    [2 /* WATCH_GETTER */]: 'watcher getter',
    [3 /* WATCH_CALLBACK */]: 'watcher callback',
    [4 /* WATCH_CLEANUP */]: 'watcher cleanup function',
    [5 /* NATIVE_EVENT_HANDLER */]: 'native event handler',
    [6 /* COMPONENT_EVENT_HANDLER */]: 'component event handler',
    [7 /* VNODE_HOOK */]: 'vnode hook',
    [8 /* DIRECTIVE_HOOK */]: 'directive hook',
    [9 /* TRANSITION_HOOK */]: 'transition hook',
    [10 /* APP_ERROR_HANDLER */]: 'app errorHandler',
    [11 /* APP_WARN_HANDLER */]: 'app warnHandler',
    [12 /* FUNCTION_REF */]: 'ref function',
    [13 /* ASYNC_COMPONENT_LOADER */]: 'async component loader',
    [14 /* SCHEDULER */]: 'scheduler flush. This is likely a Vue internals bug. ' +
        'Please open an issue at https://new-issue.vuejs.org/?repo=vuejs/vue-next'
};
function callWithErrorHandling(fn, instance, type, args) {
    let res;
    try {
        res = args ? fn(...args) : fn();
    }
    catch (err) {
        handleError(err, instance, type);
    }
    return res;
}
function callWithAsyncErrorHandling(fn, instance, type, args) {
    if (isFunction(fn)) {
        const res = callWithErrorHandling(fn, instance, type, args);
        if (res && isPromise(res)) {
            res.catch(err => {
                handleError(err, instance, type);
            });
        }
        return res;
    }
    const values = [];
    for (let i = 0; i < fn.length; i++) {
        values.push(callWithAsyncErrorHandling(fn[i], instance, type, args));
    }
    return values;
}
function handleError(err, instance, type, throwInDev = true) {
    const contextVNode = instance ? instance.vnode : null;
    if (instance) {
        let cur = instance.parent;
        // the exposed instance is the render proxy to keep it consistent with 2.x
        const exposedInstance = instance.proxy;
        // in production the hook receives only the error code
        const errorInfo = (process.env.NODE_ENV !== 'production') ? ErrorTypeStrings[type] || type : type; // fixed by xxxxxxx
        while (cur) {
            const errorCapturedHooks = cur.ec;
            if (errorCapturedHooks) {
                for (let i = 0; i < errorCapturedHooks.length; i++) {
                    if (errorCapturedHooks[i](err, exposedInstance, errorInfo) === false) {
                        return;
                    }
                }
            }
            cur = cur.parent;
        }
        // app-level handling
        const appErrorHandler = instance.appContext.config.errorHandler;
        if (appErrorHandler) {
            callWithErrorHandling(appErrorHandler, null, 10 /* APP_ERROR_HANDLER */, [err, exposedInstance, errorInfo]);
            return;
        }
    }
    logError(err, type, contextVNode, throwInDev);
}
// fixed by xxxxxx
function logError(err, type, contextVNode, throwInDev = true) {
    if ((process.env.NODE_ENV !== 'production')) {
        const info = ErrorTypeStrings[type] || type; // fixed by xxxxxx
        if (contextVNode) {
            pushWarningContext(contextVNode);
        }
        warn(`Unhandled error${info ? ` during execution of ${info}` : ``}`);
        if (contextVNode) {
            popWarningContext();
        }
        // crash in dev by default so it's more noticeable
        if (throwInDev) {
            throw err;
        }
        else {
            console.error(err);
        }
    }
    else {
        // recover in prod to reduce the impact on end-user
        console.error(err);
    }
}

let isFlushing = false;
let isFlushPending = false;
// fixed by xxxxxx
const queue = [];
let flushIndex = 0;
const pendingPreFlushCbs = [];
let activePreFlushCbs = null;
let preFlushIndex = 0;
const pendingPostFlushCbs = [];
let activePostFlushCbs = null;
let postFlushIndex = 0;
const resolvedPromise = Promise.resolve();
let currentFlushPromise = null;
let currentPreFlushParentJob = null;
const RECURSION_LIMIT = 100;
function nextTick(fn) {
    const p = currentFlushPromise || resolvedPromise;
    return fn ? p.then(this ? fn.bind(this) : fn) : p;
}
function queueJob(job) {
    // the dedupe search uses the startIndex argument of Array.includes()
    // by default the search index includes the current job that is being run
    // so it cannot recursively trigger itself again.
    // if the job is a watch() callback, the search will start with a +1 index to
    // allow it recursively trigger itself - it is the user's responsibility to
    // ensure it doesn't end up in an infinite loop.
    if ((!queue.length ||
        !queue.includes(job, isFlushing && job.allowRecurse ? flushIndex + 1 : flushIndex)) &&
        job !== currentPreFlushParentJob) {
        queue.push(job);
        queueFlush();
    }
}
function queueFlush() {
    if (!isFlushing && !isFlushPending) {
        isFlushPending = true;
        currentFlushPromise = resolvedPromise.then(flushJobs);
    }
}
function queueCb(cb, activeQueue, pendingQueue, index) {
    if (!isArray(cb)) {
        if (!activeQueue ||
            !activeQueue.includes(cb, cb.allowRecurse ? index + 1 : index)) {
            pendingQueue.push(cb);
        }
    }
    else {
        // if cb is an array, it is a component lifecycle hook which can only be
        // triggered by a job, which is already deduped in the main queue, so
        // we can skip duplicate check here to improve perf
        pendingQueue.push(...cb);
    }
    queueFlush();
}
function queuePreFlushCb(cb) {
    queueCb(cb, activePreFlushCbs, pendingPreFlushCbs, preFlushIndex);
}
function queuePostFlushCb(cb) {
    queueCb(cb, activePostFlushCbs, pendingPostFlushCbs, postFlushIndex);
}
function flushPreFlushCbs(seen, parentJob = null) {
    if (pendingPreFlushCbs.length) {
        currentPreFlushParentJob = parentJob;
        activePreFlushCbs = [...new Set(pendingPreFlushCbs)];
        pendingPreFlushCbs.length = 0;
        if ((process.env.NODE_ENV !== 'production')) {
            seen = seen || new Map();
        }
        for (preFlushIndex = 0; preFlushIndex < activePreFlushCbs.length; preFlushIndex++) {
            if ((process.env.NODE_ENV !== 'production')) {
                checkRecursiveUpdates(seen, activePreFlushCbs[preFlushIndex]);
            }
            activePreFlushCbs[preFlushIndex]();
        }
        activePreFlushCbs = null;
        preFlushIndex = 0;
        currentPreFlushParentJob = null;
        // recursively flush until it drains
        flushPreFlushCbs(seen, parentJob);
    }
}
function flushPostFlushCbs(seen) {
    if (pendingPostFlushCbs.length) {
        const deduped = [...new Set(pendingPostFlushCbs)];
        pendingPostFlushCbs.length = 0;
        // #1947 already has active queue, nested flushPostFlushCbs call
        if (activePostFlushCbs) {
            activePostFlushCbs.push(...deduped);
            return;
        }
        activePostFlushCbs = deduped;
        if ((process.env.NODE_ENV !== 'production')) {
            seen = seen || new Map();
        }
        activePostFlushCbs.sort((a, b) => getId(a) - getId(b));
        for (postFlushIndex = 0; postFlushIndex < activePostFlushCbs.length; postFlushIndex++) {
            if ((process.env.NODE_ENV !== 'production')) {
                checkRecursiveUpdates(seen, activePostFlushCbs[postFlushIndex]);
            }
            activePostFlushCbs[postFlushIndex]();
        }
        activePostFlushCbs = null;
        postFlushIndex = 0;
    }
}
const getId = (job) => job.id == null ? Infinity : job.id;
function flushJobs(seen) {
    isFlushPending = false;
    isFlushing = true;
    if ((process.env.NODE_ENV !== 'production')) {
        seen = seen || new Map();
    }
    flushPreFlushCbs(seen);
    // Sort queue before flush.
    // This ensures that:
    // 1. Components are updated from parent to child. (because parent is always
    //    created before the child so its render effect will have smaller
    //    priority number)
    // 2. If a component is unmounted during a parent component's update,
    //    its update can be skipped.
    // Jobs can never be null before flush starts, since they are only invalidated
    // during execution of another flushed job.
    queue.sort((a, b) => getId(a) - getId(b));
    try {
        for (flushIndex = 0; flushIndex < queue.length; flushIndex++) {
            const job = queue[flushIndex];
            if (job) {
                if ((process.env.NODE_ENV !== 'production')) {
                    checkRecursiveUpdates(seen, job);
                }
                callWithErrorHandling(job, null, 14 /* SCHEDULER */);
            }
        }
    }
    finally {
        flushIndex = 0;
        queue.length = 0;
        flushPostFlushCbs(seen);
        isFlushing = false;
        currentFlushPromise = null;
        // some postFlushCb queued jobs!
        // keep flushing until it drains.
        if (queue.length || pendingPostFlushCbs.length) {
            flushJobs(seen);
        }
    }
}
function checkRecursiveUpdates(seen, fn) {
    if (!seen.has(fn)) {
        seen.set(fn, 1);
    }
    else {
        const count = seen.get(fn);
        if (count > RECURSION_LIMIT) {
            throw new Error(`Maximum recursive updates exceeded. ` +
                `This means you have a reactive effect that is mutating its own ` +
                `dependencies and thus recursively triggering itself. Possible sources ` +
                `include component template, render function, updated hook or ` +
                `watcher source function.`);
        }
        else {
            seen.set(fn, count + 1);
        }
    }
}

function emit(instance, event, ...rawArgs) {
    const props = instance.vnode.props || EMPTY_OBJ;
    if ((process.env.NODE_ENV !== 'production')) {
        const { emitsOptions, propsOptions: [propsOptions] } = instance;
        if (emitsOptions) {
            if (!(event in emitsOptions)) {
                if (!propsOptions || !(toHandlerKey(event) in propsOptions)) {
                    warn(`Component emitted event "${event}" but it is neither declared in ` +
                        `the emits option nor as an "${toHandlerKey(event)}" prop.`);
                }
            }
            else {
                const validator = emitsOptions[event];
                if (isFunction(validator)) {
                    const isValid = validator(...rawArgs);
                    if (!isValid) {
                        warn(`Invalid event arguments: event validation failed for event "${event}".`);
                    }
                }
            }
        }
    }
    let args = rawArgs;
    const isModelListener = event.startsWith('update:');
    // for v-model update:xxx events, apply modifiers on args
    const modelArg = isModelListener && event.slice(7);
    if (modelArg && modelArg in props) {
        const modifiersKey = `${modelArg === 'modelValue' ? 'model' : modelArg}Modifiers`;
        const { number, trim } = props[modifiersKey] || EMPTY_OBJ;
        if (trim) {
            args = rawArgs.map(a => a.trim());
        }
        else if (number) {
            args = rawArgs.map(toNumber);
        }
    }
    if ((process.env.NODE_ENV !== 'production') || false) ;
    if ((process.env.NODE_ENV !== 'production')) {
        const lowerCaseEvent = event.toLowerCase();
        if (lowerCaseEvent !== event && props[toHandlerKey(lowerCaseEvent)]) {
            warn(`Event "${lowerCaseEvent}" is emitted in component ` +
                `${formatComponentName(instance, instance.type)} but the handler is registered for "${event}". ` +
                `Note that HTML attributes are case-insensitive and you cannot use ` +
                `v-on to listen to camelCase events when using in-DOM templates. ` +
                `You should probably use "${hyphenate(event)}" instead of "${event}".`);
        }
    }
    // convert handler name to camelCase. See issue #2249
    let handlerName = toHandlerKey(camelize(event));
    let handler = props[handlerName];
    // for v-model update:xxx events, also trigger kebab-case equivalent
    // for props passed via kebab-case
    if (!handler && isModelListener) {
        handlerName = toHandlerKey(hyphenate(event));
        handler = props[handlerName];
    }
    if (handler) {
        callWithAsyncErrorHandling(handler, instance, 6 /* COMPONENT_EVENT_HANDLER */, args);
    }
    const onceHandler = props[handlerName + `Once`];
    if (onceHandler) {
        if (!instance.emitted) {
            (instance.emitted = {})[handlerName] = true;
        }
        else if (instance.emitted[handlerName]) {
            return;
        }
        callWithAsyncErrorHandling(onceHandler, instance, 6 /* COMPONENT_EVENT_HANDLER */, args);
    }
}
function normalizeEmitsOptions(comp, appContext, asMixin = false) {
    if (!appContext.deopt && comp.__emits !== undefined) {
        return comp.__emits;
    }
    const raw = comp.emits;
    let normalized = {};
    // apply mixin/extends props
    let hasExtends = false;
    if (__VUE_OPTIONS_API__ && !isFunction(comp)) {
        const extendEmits = (raw) => {
            hasExtends = true;
            extend(normalized, normalizeEmitsOptions(raw, appContext, true));
        };
        if (!asMixin && appContext.mixins.length) {
            appContext.mixins.forEach(extendEmits);
        }
        if (comp.extends) {
            extendEmits(comp.extends);
        }
        if (comp.mixins) {
            comp.mixins.forEach(extendEmits);
        }
    }
    if (!raw && !hasExtends) {
        return (comp.__emits = null);
    }
    if (isArray(raw)) {
        raw.forEach(key => (normalized[key] = null));
    }
    else {
        extend(normalized, raw);
    }
    return (comp.__emits = normalized);
}
// Check if an incoming prop key is a declared emit event listener.
// e.g. With `emits: { click: null }`, props named `onClick` and `onclick` are
// both considered matched listeners.
function isEmitListener(options, key) {
    if (!options || !isOn(key)) {
        return false;
    }
    key = key.replace(/Once$/, '');
    return (hasOwn(options, key[2].toLowerCase() + key.slice(3)) ||
        hasOwn(options, key.slice(2)));
}

// mark the current rendering instance for asset resolution (e.g.
// resolveComponent, resolveDirective) during render
let currentRenderingInstance = null;
function markAttrsAccessed() {
}

function initProps(instance, rawProps, isStateful, // result of bitwise flag comparison
isSSR = false) {
    const props = {};
    const attrs = {};
    // def(attrs, InternalObjectKey, 1) // fixed by xxxxxx
    def(attrs, '__vInternal', 1);
    setFullProps(instance, rawProps, props, attrs);
    // validation
    if ((process.env.NODE_ENV !== 'production')) {
        validateProps(props, instance);
    }
    if (isStateful) {
        // stateful
        instance.props = isSSR ? props : shallowReactive(props);
    }
    else {
        if (!instance.type.props) {
            // functional w/ optional props, props === attrs
            instance.props = attrs;
        }
        else {
            // functional w/ declared props
            instance.props = props;
        }
    }
    instance.attrs = attrs;
}
function setFullProps(instance, rawProps, props, attrs) {
    const [options, needCastKeys] = instance.propsOptions;
    if (rawProps) {
        for (const key in rawProps) {
            const value = rawProps[key];
            // key, ref are reserved and never passed down
            if (isReservedProp(key)) {
                continue;
            }
            // prop option names are camelized during normalization, so to support
            // kebab -> camel conversion here we need to camelize the key.
            let camelKey;
            if (options && hasOwn(options, (camelKey = camelize(key)))) {
                props[camelKey] = value;
            }
            else if (!isEmitListener(instance.emitsOptions, key)) {
                // Any non-declared (either as a prop or an emitted event) props are put
                // into a separate `attrs` object for spreading. Make sure to preserve
                // original key casing
                attrs[key] = value;
            }
        }
    }
    if (needCastKeys) {
        const rawCurrentProps = toRaw(props);
        for (let i = 0; i < needCastKeys.length; i++) {
            const key = needCastKeys[i];
            props[key] = resolvePropValue(options, rawCurrentProps, key, rawCurrentProps[key], instance);
        }
    }
}
function resolvePropValue(options, props, key, value, instance) {
    const opt = options[key];
    if (opt != null) {
        const hasDefault = hasOwn(opt, 'default');
        // default values
        if (hasDefault && value === undefined) {
            const defaultValue = opt.default;
            if (opt.type !== Function && isFunction(defaultValue)) {
                setCurrentInstance(instance);
                value = defaultValue(props);
                setCurrentInstance(null);
            }
            else {
                value = defaultValue;
            }
        }
        // boolean casting
        if (opt[0 /* shouldCast */]) {
            if (!hasOwn(props, key) && !hasDefault) {
                value = false;
            }
            else if (opt[1 /* shouldCastTrue */] &&
                (value === '' || value === hyphenate(key))) {
                value = true;
            }
        }
    }
    return value;
}
function normalizePropsOptions(comp, appContext, asMixin = false) {
    if (!appContext.deopt && comp.__props) {
        return comp.__props;
    }
    const raw = comp.props;
    const normalized = {};
    const needCastKeys = [];
    // apply mixin/extends props
    let hasExtends = false;
    if (__VUE_OPTIONS_API__ && !isFunction(comp)) {
        const extendProps = (raw) => {
            hasExtends = true;
            const [props, keys] = normalizePropsOptions(raw, appContext, true);
            extend(normalized, props);
            if (keys)
                needCastKeys.push(...keys);
        };
        if (!asMixin && appContext.mixins.length) {
            appContext.mixins.forEach(extendProps);
        }
        if (comp.extends) {
            extendProps(comp.extends);
        }
        if (comp.mixins) {
            comp.mixins.forEach(extendProps);
        }
    }
    if (!raw && !hasExtends) {
        return (comp.__props = EMPTY_ARR);
    }
    if (isArray(raw)) {
        for (let i = 0; i < raw.length; i++) {
            if ((process.env.NODE_ENV !== 'production') && !isString(raw[i])) {
                warn(`props must be strings when using array syntax.`, raw[i]);
            }
            const normalizedKey = camelize(raw[i]);
            if (validatePropName(normalizedKey)) {
                normalized[normalizedKey] = EMPTY_OBJ;
            }
        }
    }
    else if (raw) {
        if ((process.env.NODE_ENV !== 'production') && !isObject(raw)) {
            warn(`invalid props options`, raw);
        }
        for (const key in raw) {
            const normalizedKey = camelize(key);
            if (validatePropName(normalizedKey)) {
                const opt = raw[key];
                const prop = (normalized[normalizedKey] =
                    isArray(opt) || isFunction(opt) ? { type: opt } : opt);
                if (prop) {
                    const booleanIndex = getTypeIndex(Boolean, prop.type);
                    const stringIndex = getTypeIndex(String, prop.type);
                    prop[0 /* shouldCast */] = booleanIndex > -1;
                    prop[1 /* shouldCastTrue */] =
                        stringIndex < 0 || booleanIndex < stringIndex;
                    // if the prop needs boolean casting or default value
                    if (booleanIndex > -1 || hasOwn(prop, 'default')) {
                        needCastKeys.push(normalizedKey);
                    }
                }
            }
        }
    }
    return (comp.__props = [normalized, needCastKeys]);
}
function validatePropName(key) {
    if (key[0] !== '$') {
        return true;
    }
    else if ((process.env.NODE_ENV !== 'production')) {
        warn(`Invalid prop name: "${key}" is a reserved property.`);
    }
    return false;
}
// use function string name to check type constructors
// so that it works across vms / iframes.
function getType(ctor) {
    const match = ctor && ctor.toString().match(/^\s*function (\w+)/);
    return match ? match[1] : '';
}
function isSameType(a, b) {
    return getType(a) === getType(b);
}
function getTypeIndex(type, expectedTypes) {
    if (isArray(expectedTypes)) {
        for (let i = 0, len = expectedTypes.length; i < len; i++) {
            if (isSameType(expectedTypes[i], type)) {
                return i;
            }
        }
    }
    else if (isFunction(expectedTypes)) {
        return isSameType(expectedTypes, type) ? 0 : -1;
    }
    return -1;
}
/**
 * dev only
 */
function validateProps(props, instance) {
    const rawValues = toRaw(props);
    const options = instance.propsOptions[0];
    for (const key in options) {
        let opt = options[key];
        if (opt == null)
            continue;
        validateProp(key, rawValues[key], opt, !hasOwn(rawValues, key));
    }
}
/**
 * dev only
 */
function validateProp(name, value, prop, isAbsent) {
    const { type, required, validator } = prop;
    // required!
    if (required && isAbsent) {
        warn('Missing required prop: "' + name + '"');
        return;
    }
    // missing but optional
    if (value == null && !prop.required) {
        return;
    }
    // type check
    if (type != null && type !== true) {
        let isValid = false;
        const types = isArray(type) ? type : [type];
        const expectedTypes = [];
        // value is valid as long as one of the specified types match
        for (let i = 0; i < types.length && !isValid; i++) {
            const { valid, expectedType } = assertType(value, types[i]);
            expectedTypes.push(expectedType || '');
            isValid = valid;
        }
        if (!isValid) {
            warn(getInvalidTypeMessage(name, value, expectedTypes));
            return;
        }
    }
    // custom validator
    if (validator && !validator(value)) {
        warn('Invalid prop: custom validator check failed for prop "' + name + '".');
    }
}
const isSimpleType = /*#__PURE__*/ makeMap('String,Number,Boolean,Function,Symbol');
/**
 * dev only
 */
function assertType(value, type) {
    let valid;
    const expectedType = getType(type);
    if (isSimpleType(expectedType)) {
        const t = typeof value;
        valid = t === expectedType.toLowerCase();
        // for primitive wrapper objects
        if (!valid && t === 'object') {
            valid = value instanceof type;
        }
    }
    else if (expectedType === 'Object') {
        valid = isObject(value);
    }
    else if (expectedType === 'Array') {
        valid = isArray(value);
    }
    else {
        valid = value instanceof type;
    }
    return {
        valid,
        expectedType
    };
}
/**
 * dev only
 */
function getInvalidTypeMessage(name, value, expectedTypes) {
    let message = `Invalid prop: type check failed for prop "${name}".` +
        ` Expected ${expectedTypes.map(capitalize).join(', ')}`;
    const expectedType = expectedTypes[0];
    const receivedType = toRawType(value);
    const expectedValue = styleValue(value, expectedType);
    const receivedValue = styleValue(value, receivedType);
    // check if we need to specify expected value
    if (expectedTypes.length === 1 &&
        isExplicable(expectedType) &&
        !isBoolean(expectedType, receivedType)) {
        message += ` with value ${expectedValue}`;
    }
    message += `, got ${receivedType} `;
    // check if we need to specify received value
    if (isExplicable(receivedType)) {
        message += `with value ${receivedValue}.`;
    }
    return message;
}
/**
 * dev only
 */
function styleValue(value, type) {
    if (type === 'String') {
        return `"${value}"`;
    }
    else if (type === 'Number') {
        return `${Number(value)}`;
    }
    else {
        return `${value}`;
    }
}
/**
 * dev only
 */
function isExplicable(type) {
    const explicitTypes = ['string', 'number', 'boolean'];
    return explicitTypes.some(elem => type.toLowerCase() === elem);
}
/**
 * dev only
 */
function isBoolean(...args) {
    return args.some(elem => elem.toLowerCase() === 'boolean');
}

function injectHook(type, hook, target = currentInstance, prepend = false) {
    if (target) {
        const hooks = target[type] || (target[type] = []);
        // cache the error handling wrapper for injected hooks so the same hook
        // can be properly deduped by the scheduler. "__weh" stands for "with error
        // handling".
        const wrappedHook = hook.__weh ||
            (hook.__weh = (...args) => {
                if (target.isUnmounted) {
                    return;
                }
                // disable tracking inside all lifecycle hooks
                // since they can potentially be called inside effects.
                pauseTracking();
                // Set currentInstance during hook invocation.
                // This assumes the hook does not synchronously trigger other hooks, which
                // can only be false when the user does something really funky.
                setCurrentInstance(target);
                const res = callWithAsyncErrorHandling(hook, target, type, args);
                setCurrentInstance(null);
                resetTracking();
                return res;
            });
        if (prepend) {
            hooks.unshift(wrappedHook);
        }
        else {
            hooks.push(wrappedHook);
        }
        return wrappedHook;
    }
    else if ((process.env.NODE_ENV !== 'production')) {
        const apiName = toHandlerKey(ErrorTypeStrings[type].replace(/ hook$/, ''));
        warn(`${apiName} is called when there is no active component instance to be ` +
            `associated with. ` +
            `Lifecycle injection APIs can only be used during execution of setup().` +
            ( ``));
    }
}
const createHook = (lifecycle) => (hook, target = currentInstance) => 
// post-create lifecycle registrations are noops during SSR
!isInSSRComponentSetup && injectHook(lifecycle, hook, target);
const onBeforeMount = createHook("bm" /* BEFORE_MOUNT */);
const onMounted = createHook("m" /* MOUNTED */);
const onBeforeUpdate = createHook("bu" /* BEFORE_UPDATE */);
const onUpdated = createHook("u" /* UPDATED */);
const onBeforeUnmount = createHook("bum" /* BEFORE_UNMOUNT */);
const onUnmounted = createHook("um" /* UNMOUNTED */);
const onRenderTriggered = createHook("rtg" /* RENDER_TRIGGERED */);
const onRenderTracked = createHook("rtc" /* RENDER_TRACKED */);
const onErrorCaptured = (hook, target = currentInstance) => {
    injectHook("ec" /* ERROR_CAPTURED */, hook, target);
};

const isKeepAlive = (vnode) => vnode.type.__isKeepAlive;
function onActivated(hook, target) {
    registerKeepAliveHook(hook, "a" /* ACTIVATED */, target);
}
function onDeactivated(hook, target) {
    registerKeepAliveHook(hook, "da" /* DEACTIVATED */, target);
}
function registerKeepAliveHook(hook, type, target = currentInstance) {
    // cache the deactivate branch check wrapper for injected hooks so the same
    // hook can be properly deduped by the scheduler. "__wdc" stands for "with
    // deactivation check".
    const wrappedHook = hook.__wdc ||
        (hook.__wdc = () => {
            // only fire the hook if the target instance is NOT in a deactivated branch.
            let current = target;
            while (current) {
                if (current.isDeactivated) {
                    return;
                }
                current = current.parent;
            }
            hook();
        });
    injectHook(type, wrappedHook, target);
    // In addition to registering it on the target instance, we walk up the parent
    // chain and register it on all ancestor instances that are keep-alive roots.
    // This avoids the need to walk the entire component tree when invoking these
    // hooks, and more importantly, avoids the need to track child components in
    // arrays.
    if (target) {
        let current = target.parent;
        while (current && current.parent) {
            if (isKeepAlive(current.parent.vnode)) {
                injectToKeepAliveRoot(wrappedHook, type, target, current);
            }
            current = current.parent;
        }
    }
}
function injectToKeepAliveRoot(hook, type, target, keepAliveRoot) {
    // injectHook wraps the original for error handling, so make sure to remove
    // the wrapped version.
    const injected = injectHook(type, hook, keepAliveRoot, true /* prepend */);
    onUnmounted(() => {
        remove(keepAliveRoot[type], injected);
    }, target);
}

/**
Runtime helper for applying directives to a vnode. Example usage:

const comp = resolveComponent('comp')
const foo = resolveDirective('foo')
const bar = resolveDirective('bar')

return withDirectives(h(comp), [
  [foo, this.x],
  [bar, this.y]
])
*/
const isBuiltInDirective = /*#__PURE__*/ makeMap('bind,cloak,else-if,else,for,html,if,model,on,once,pre,show,slot,text');
function validateDirectiveName(name) {
    if (isBuiltInDirective(name)) {
        warn('Do not use built-in directive ids as custom directive id: ' + name);
    }
}

function createAppContext() {
    return {
        app: null,
        config: {
            isNativeTag: NO,
            performance: false,
            globalProperties: {},
            optionMergeStrategies: {},
            isCustomElement: NO,
            errorHandler: undefined,
            warnHandler: undefined
        },
        mixins: [],
        components: {},
        directives: {},
        provides: Object.create(null)
    };
}
let uid$1 = 0;
// fixed by xxxxxx
function createAppAPI() {
    return function createApp(rootComponent, rootProps = null) {
        if (rootProps != null && !isObject(rootProps)) {
            (process.env.NODE_ENV !== 'production') && warn(`root props passed to app.mount() must be an object.`);
            rootProps = null;
        }
        const context = createAppContext();
        const installedPlugins = new Set();
        // fixed by xxxxxx
        // let isMounted = false
        const app = (context.app = {
            _uid: uid$1++,
            _component: rootComponent,
            _props: rootProps,
            _container: null,
            _context: context,
            version,
            get config() {
                return context.config;
            },
            set config(v) {
                if ((process.env.NODE_ENV !== 'production')) {
                    warn(`app.config cannot be replaced. Modify individual options instead.`);
                }
            },
            use(plugin, ...options) {
                if (installedPlugins.has(plugin)) {
                    (process.env.NODE_ENV !== 'production') && warn(`Plugin has already been applied to target app.`);
                }
                else if (plugin && isFunction(plugin.install)) {
                    installedPlugins.add(plugin);
                    plugin.install(app, ...options);
                }
                else if (isFunction(plugin)) {
                    installedPlugins.add(plugin);
                    plugin(app, ...options);
                }
                else if ((process.env.NODE_ENV !== 'production')) {
                    warn(`A plugin must either be a function or an object with an "install" ` +
                        `function.`);
                }
                return app;
            },
            mixin(mixin) {
                if (__VUE_OPTIONS_API__) {
                    if (!context.mixins.includes(mixin)) {
                        context.mixins.push(mixin);
                        // global mixin with props/emits de-optimizes props/emits
                        // normalization caching.
                        if (mixin.props || mixin.emits) {
                            context.deopt = true;
                        }
                    }
                    else if ((process.env.NODE_ENV !== 'production')) {
                        warn('Mixin has already been applied to target app' +
                            (mixin.name ? `: ${mixin.name}` : ''));
                    }
                }
                else if ((process.env.NODE_ENV !== 'production')) {
                    warn('Mixins are only available in builds supporting Options API');
                }
                return app;
            },
            component(name, component) {
                if ((process.env.NODE_ENV !== 'production')) {
                    validateComponentName(name, context.config);
                }
                if (!component) {
                    return context.components[name];
                }
                if ((process.env.NODE_ENV !== 'production') && context.components[name]) {
                    warn(`Component "${name}" has already been registered in target app.`);
                }
                context.components[name] = component;
                return app;
            },
            directive(name, directive) {
                if ((process.env.NODE_ENV !== 'production')) {
                    validateDirectiveName(name);
                }
                if (!directive) {
                    return context.directives[name];
                }
                if ((process.env.NODE_ENV !== 'production') && context.directives[name]) {
                    warn(`Directive "${name}" has already been registered in target app.`);
                }
                context.directives[name] = directive;
                return app;
            },
            // fixed by xxxxxx
            mount() { },
            // fixed by xxxxxx
            unmount() { },
            provide(key, value) {
                if ((process.env.NODE_ENV !== 'production') && key in context.provides) {
                    warn(`App already provides property with key "${String(key)}". ` +
                        `It will be overwritten with the new value.`);
                }
                // TypeScript doesn't allow symbols as index type
                // https://github.com/Microsoft/TypeScript/issues/24587
                context.provides[key] = value;
                return app;
            }
        });
        return app;
    };
}

const queuePostRenderEffect =  queuePostFlushCb;

// Simple effect.
function watchEffect(effect, options) {
    return doWatch(effect, null, options);
}
// initial value for watchers to trigger on undefined initial values
const INITIAL_WATCHER_VALUE = {};
// implementation
function watch(source, cb, options) {
    if ((process.env.NODE_ENV !== 'production') && !isFunction(cb)) {
        warn(`\`watch(fn, options?)\` signature has been moved to a separate API. ` +
            `Use \`watchEffect(fn, options?)\` instead. \`watch\` now only ` +
            `supports \`watch(source, cb, options?) signature.`);
    }
    return doWatch(source, cb, options);
}
function doWatch(source, cb, { immediate, deep, flush, onTrack, onTrigger } = EMPTY_OBJ, instance = currentInstance) {
    if ((process.env.NODE_ENV !== 'production') && !cb) {
        if (immediate !== undefined) {
            warn(`watch() "immediate" option is only respected when using the ` +
                `watch(source, callback, options?) signature.`);
        }
        if (deep !== undefined) {
            warn(`watch() "deep" option is only respected when using the ` +
                `watch(source, callback, options?) signature.`);
        }
    }
    const warnInvalidSource = (s) => {
        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.`);
    };
    let getter;
    let forceTrigger = false;
    if (isRef(source)) {
        getter = () => source.value;
        forceTrigger = !!source._shallow;
    }
    else if (isReactive(source)) {
        getter = () => source;
        deep = true;
    }
    else if (isArray(source)) {
        getter = () => source.map(s => {
            if (isRef(s)) {
                return s.value;
            }
            else if (isReactive(s)) {
                return traverse(s);
            }
            else if (isFunction(s)) {
                return callWithErrorHandling(s, instance, 2 /* WATCH_GETTER */);
            }
            else {
                (process.env.NODE_ENV !== 'production') && warnInvalidSource(s);
            }
        });
    }
    else if (isFunction(source)) {
        if (cb) {
            // getter with cb
            getter = () => callWithErrorHandling(source, instance, 2 /* WATCH_GETTER */);
        }
        else {
            // no cb -> simple effect
            getter = () => {
                if (instance && instance.isUnmounted) {
                    return;
                }
                if (cleanup) {
                    cleanup();
                }
                return callWithErrorHandling(source, instance, 3 /* WATCH_CALLBACK */, [onInvalidate]);
            };
        }
    }
    else {
        getter = NOOP;
        (process.env.NODE_ENV !== 'production') && warnInvalidSource(source);
    }
    if (cb && deep) {
        const baseGetter = getter;
        getter = () => traverse(baseGetter());
    }
    let cleanup;
    const onInvalidate = (fn) => {
        cleanup = runner.options.onStop = () => {
            callWithErrorHandling(fn, instance, 4 /* WATCH_CLEANUP */);
        };
    };
    let oldValue = isArray(source) ? [] : INITIAL_WATCHER_VALUE;
    const job = () => {
        if (!runner.active) {
            return;
        }
        if (cb) {
            // watch(source, cb)
            const newValue = runner();
            if (deep || forceTrigger || hasChanged(newValue, oldValue)) {
                // cleanup before running cb again
                if (cleanup) {
                    cleanup();
                }
                callWithAsyncErrorHandling(cb, instance, 3 /* WATCH_CALLBACK */, [
                    newValue,
                    // pass undefined as the old value when it's changed for the first time
                    oldValue === INITIAL_WATCHER_VALUE ? undefined : oldValue,
                    onInvalidate
                ]);
                oldValue = newValue;
            }
        }
        else {
            // watchEffect
            runner();
        }
    };
    // important: mark the job as a watcher callback so that scheduler knows
    // it is allowed to self-trigger (#1727)
    job.allowRecurse = !!cb;
    let scheduler;
    if (flush === 'sync') {
        scheduler = job;
    }
    else if (flush === 'post') {
        scheduler = () => queuePostRenderEffect(job, instance && instance.suspense);
    }
    else {
        // default: 'pre'
        scheduler = () => {
            if (!instance || instance.isMounted) {
                queuePreFlushCb(job);
            }
            else {
                // with 'pre' option, the first call must happen before
                // the component is mounted so it is called synchronously.
                job();
            }
        };
    }
    const runner = effect(getter, {
        lazy: true,
        onTrack,
        onTrigger,
        scheduler
    });
    recordInstanceBoundEffect(runner);
    // initial run
    if (cb) {
        if (immediate) {
            job();
        }
        else {
            oldValue = runner();
        }
    }
    else if (flush === 'post') {
        queuePostRenderEffect(runner, instance && instance.suspense);
    }
    else {
        runner();
    }
    return () => {
        stop(runner);
        if (instance) {
            remove(instance.effects, runner);
        }
    };
}
// this.$watch
function instanceWatch(source, cb, options) {
    const publicThis = this.proxy;
    const getter = isString(source)
        ? () => publicThis[source]
        : source.bind(publicThis);
    return doWatch(getter, cb.bind(publicThis), options, this);
}
function traverse(value, seen = new Set()) {
    if (!isObject(value) || seen.has(value)) {
        return value;
    }
    seen.add(value);
    if (isRef(value)) {
        traverse(value.value, seen);
    }
    else if (isArray(value)) {
        for (let i = 0; i < value.length; i++) {
            traverse(value[i], seen);
        }
    }
    else if (isSet(value) || isMap(value)) {
        value.forEach((v) => {
            traverse(v, seen);
        });
    }
    else {
        for (const key in value) {
            traverse(value[key], seen);
        }
    }
    return value;
}

function provide(key, value) {
    if (!currentInstance) {
        if ((process.env.NODE_ENV !== 'production')) {
            warn(`provide() can only be used inside setup().`);
        }
    }
    else {
        let provides = currentInstance.provides;
        // by default an instance inherits its parent's provides object
        // but when it needs to provide values of its own, it creates its
        // own provides object using parent provides object as prototype.
        // this way in `inject` we can simply look up injections from direct
        // parent and let the prototype chain do the work.
        const parentProvides = currentInstance.parent && currentInstance.parent.provides;
        if (parentProvides === provides) {
            provides = currentInstance.provides = Object.create(parentProvides);
        }
        // TS doesn't allow symbol as index type
        provides[key] = value;
    }
}
function inject(key, defaultValue, treatDefaultAsFactory = false) {
    // fallback to `currentRenderingInstance` so that this can be called in
    // a functional component
    const instance = currentInstance || currentRenderingInstance;
    if (instance) {
        // #2400
        // to support `app.use` plugins,
        // fallback to appContext's `provides` if the intance is at root
        const provides = instance.parent == null
            ? instance.vnode.appContext && instance.vnode.appContext.provides
            : instance.parent.provides;
        if (provides && key in provides) {
            // TS doesn't allow symbol as index type
            return provides[key];
        }
        else if (arguments.length > 1) {
            return treatDefaultAsFactory && isFunction(defaultValue)
                ? defaultValue()
                : defaultValue;
        }
        else if ((process.env.NODE_ENV !== 'production')) {
            warn(`injection "${String(key)}" not found.`);
        }
    }
    else if ((process.env.NODE_ENV !== 'production')) {
        warn(`inject() can only be used inside setup() or functional components.`);
    }
}

function createDuplicateChecker() {
    const cache = Object.create(null);
    return (type, key) => {
        if (cache[key]) {
            warn(`${type} property "${key}" is already defined in ${cache[key]}.`);
        }
        else {
            cache[key] = type;
        }
    };
}
let isInBeforeCreate = false;
function applyOptions(instance, options, deferredData = [], deferredWatch = [], deferredProvide = [], asMixin = false) {
    const { 
    // composition
    mixins, extends: extendsOptions, 
    // state
    data: dataOptions, computed: computedOptions, methods, watch: watchOptions, provide: provideOptions, inject: injectOptions, 
    // assets
    components, directives, 
    // lifecycle
    beforeMount, mounted, beforeUpdate, updated, activated, deactivated, beforeDestroy, beforeUnmount, destroyed, unmounted, render, renderTracked, renderTriggered, errorCaptured } = options;
    const publicThis = instance.proxy;
    const ctx = instance.ctx;
    const globalMixins = instance.appContext.mixins;
    if (asMixin && render && instance.render === NOOP) {
        instance.render = render;
    }
    // applyOptions is called non-as-mixin once per instance
    if (!asMixin) {
        isInBeforeCreate = true;
        callSyncHook('beforeCreate', "bc" /* BEFORE_CREATE */, options, instance, globalMixins);
        isInBeforeCreate = false;
        // global mixins are applied first
        applyMixins(instance, globalMixins, deferredData, deferredWatch, deferredProvide);
    }
    // extending a base component...
    if (extendsOptions) {
        applyOptions(instance, extendsOptions, deferredData, deferredWatch, deferredProvide, true);
    }
    // local mixins
    if (mixins) {
        applyMixins(instance, mixins, deferredData, deferredWatch, deferredProvide);
    }
    const checkDuplicateProperties = (process.env.NODE_ENV !== 'production') ? createDuplicateChecker() : null;
    if ((process.env.NODE_ENV !== 'production')) {
        const [propsOptions] = instance.propsOptions;
        if (propsOptions) {
            for (const key in propsOptions) {
                checkDuplicateProperties("Props" /* PROPS */, key);
            }
        }
    }
    // options initialization order (to be consistent with Vue 2):
    // - props (already done outside of this function)
    // - inject
    // - methods
    // - data (deferred since it relies on `this` access)
    // - computed
    // - watch (deferred since it relies on `this` access)
    // fixed by xxxxxx
    if (!__VUE_CREATED_DEFERRED__ && injectOptions) {
        if (isArray(injectOptions)) {
            for (let i = 0; i < injectOptions.length; i++) {
                const key = injectOptions[i];
                ctx[key] = inject(key);
                if ((process.env.NODE_ENV !== 'production')) {
                    checkDuplicateProperties("Inject" /* INJECT */, key);
                }
            }
        }
        else {
            for (const key in injectOptions) {
                const opt = injectOptions[key];
                if (isObject(opt)) {
                    ctx[key] = inject(opt.from || key, opt.default, true /* treat default function as factory */);
                }
                else {
                    ctx[key] = inject(opt);
                }
                if ((process.env.NODE_ENV !== 'production')) {
                    checkDuplicateProperties("Inject" /* INJECT */, key);
                }
            }
        }
    }
    if (methods) {
        for (const key in methods) {
            const methodHandler = methods[key];
            if (isFunction(methodHandler)) {
                ctx[key] = methodHandler.bind(publicThis);
                if ((process.env.NODE_ENV !== 'production')) {
                    checkDuplicateProperties("Methods" /* METHODS */, key);
                }
            }
            else if ((process.env.NODE_ENV !== 'production')) {
                warn(`Method "${key}" has type "${typeof methodHandler}" in the component definition. ` +
                    `Did you reference the function correctly?`);
            }
        }
    }
    if (!asMixin) {
        if (deferredData.length) {
            deferredData.forEach(dataFn => resolveData(instance, dataFn, publicThis));
        }
        if (dataOptions) {
            resolveData(instance, dataOptions, publicThis);
        }
        if ((process.env.NODE_ENV !== 'production')) {
            const rawData = toRaw(instance.data);
            for (const key in rawData) {
                checkDuplicateProperties("Data" /* DATA */, key);
                // expose data on ctx during dev
                if (key[0] !== '$' && key[0] !== '_') {
                    Object.defineProperty(ctx, key, {
                        configurable: true,
                        enumerable: true,
                        get: () => rawData[key],
                        set: NOOP
                    });
                }
            }
        }
    }
    else if (dataOptions) {
        deferredData.push(dataOptions);
    }
    if (computedOptions) {
        for (const key in computedOptions) {
            const opt = computedOptions[key];
            const get = isFunction(opt)
                ? opt.bind(publicThis, publicThis)
                : isFunction(opt.get)
                    ? opt.get.bind(publicThis, publicThis)
                    : NOOP;
            if ((process.env.NODE_ENV !== 'production') && get === NOOP) {
                warn(`Computed property "${key}" has no getter.`);
            }
            const set = !isFunction(opt) && isFunction(opt.set)
                ? opt.set.bind(publicThis)
                : (process.env.NODE_ENV !== 'production')
                    ? () => {
                        warn(`Write operation failed: computed property "${key}" is readonly.`);
                    }
                    : NOOP;
            const c = computed$1({
                get,
                set
            });
            Object.defineProperty(ctx, key, {
                enumerable: true,
                configurable: true,
                get: () => c.value,
                set: v => (c.value = v)
            });
            if ((process.env.NODE_ENV !== 'production')) {
                checkDuplicateProperties("Computed" /* COMPUTED */, key);
            }
        }
    }
    if (watchOptions) {
        deferredWatch.push(watchOptions);
    }
    if (!asMixin && deferredWatch.length) {
        deferredWatch.forEach(watchOptions => {
            for (const key in watchOptions) {
                createWatcher(watchOptions[key], ctx, publicThis, key);
            }
        });
    }
    // fixed by xxxxxx
    if (!__VUE_CREATED_DEFERRED__) {
        if (provideOptions) {
            deferredProvide.push(provideOptions);
        }
        if (!asMixin && deferredProvide.length) {
            deferredProvide.forEach(provideOptions => {
                const provides = isFunction(provideOptions)
                    ? provideOptions.call(publicThis)
                    : provideOptions;
                for (const key in provides) {
                    provide(key, provides[key]);
                }
            });
        }
    }
    // asset options.
    // To reduce memory usage, only components with mixins or extends will have
    // resolved asset registry attached to instance.
    if (asMixin) {
        if (components) {
            extend(instance.components ||
                (instance.components = extend({}, instance.type.components)), components);
        }
        if (directives) {
            extend(instance.directives ||
                (instance.directives = extend({}, instance.type.directives)), directives);
        }
    }
    // fixed by xxxxxx
    // lifecycle options
    if (__VUE_CREATED_DEFERRED__) {
        ctx.$callSyncHook = function (name) {
            return callSyncHook(name, "c" /* CREATED */, options, instance, globalMixins);
        };
    }
    else if (!asMixin) {
        callSyncHook('created', "c" /* CREATED */, options, instance, globalMixins);
    }
    if (beforeMount) {
        onBeforeMount(beforeMount.bind(publicThis));
    }
    if (mounted) {
        onMounted(mounted.bind(publicThis));
    }
    if (beforeUpdate) {
        onBeforeUpdate(beforeUpdate.bind(publicThis));
    }
    if (updated) {
        onUpdated(updated.bind(publicThis));
    }
    if (activated) {
        onActivated(activated.bind(publicThis));
    }
    if (deactivated) {
        onDeactivated(deactivated.bind(publicThis));
    }
    if (errorCaptured) {
        onErrorCaptured(errorCaptured.bind(publicThis));
    }
    if (renderTracked) {
        onRenderTracked(renderTracked.bind(publicThis));
    }
    if (renderTriggered) {
        onRenderTriggered(renderTriggered.bind(publicThis));
    }
    if ((process.env.NODE_ENV !== 'production') && beforeDestroy) {
        warn(`\`beforeDestroy\` has been renamed to \`beforeUnmount\`.`);
    }
    if (beforeUnmount) {
        onBeforeUnmount(beforeUnmount.bind(publicThis));
    }
    if ((process.env.NODE_ENV !== 'production') && destroyed) {
        warn(`\`destroyed\` has been renamed to \`unmounted\`.`);
    }
    if (unmounted) {
        onUnmounted(unmounted.bind(publicThis));
    }
    // fixed by xxxxxx
    if (instance.ctx.$onApplyOptions) {
        instance.ctx.$onApplyOptions(options, instance, publicThis);
    }
}
function callSyncHook(name, type, options, instance, globalMixins) {
    callHookFromMixins(name, type, globalMixins, instance);
    const { extends: base, mixins } = options;
    if (base) {
        callHookFromExtends(name, type, base, instance);
    }
    if (mixins) {
        callHookFromMixins(name, type, mixins, instance);
    }
    const selfHook = options[name];
    if (selfHook) {
        callWithAsyncErrorHandling(selfHook.bind(instance.proxy), instance, type);
    }
}
function callHookFromExtends(name, type, base, instance) {
    if (base.extends) {
        callHookFromExtends(name, type, base.extends, instance);
    }
    const baseHook = base[name];
    if (baseHook) {
        callWithAsyncErrorHandling(baseHook.bind(instance.proxy), instance, type);
    }
}
function callHookFromMixins(name, type, mixins, instance) {
    for (let i = 0; i < mixins.length; i++) {
        const chainedMixins = mixins[i].mixins;
        if (chainedMixins) {
            callHookFromMixins(name, type, chainedMixins, instance);
        }
        const fn = mixins[i][name];
        if (fn) {
            callWithAsyncErrorHandling(fn.bind(instance.proxy), instance, type);
        }
    }
}
function applyMixins(instance, mixins, deferredData, deferredWatch, deferredProvide) {
    for (let i = 0; i < mixins.length; i++) {
        applyOptions(instance, mixins[i], deferredData, deferredWatch, deferredProvide, true);
    }
}
function resolveData(instance, dataFn, publicThis) {
    if ((process.env.NODE_ENV !== 'production') && !isFunction(dataFn)) {
        warn(`The data option must be a function. ` +
            `Plain object usage is no longer supported.`);
    }
    const data = dataFn.call(publicThis, publicThis);
    if ((process.env.NODE_ENV !== 'production') && isPromise(data)) {
        warn(`data() returned a Promise - note data() cannot be async; If you ` +
            `intend to perform data fetching before component renders, use ` +
            `async setup() + <Suspense>.`);
    }
    if (!isObject(data)) {
        (process.env.NODE_ENV !== 'production') && warn(`data() should return an object.`);
    }
    else if (instance.data === EMPTY_OBJ) {
        instance.data = reactive(data);
    }
    else {
        // existing data: this is a mixin or extends.
        extend(instance.data, data);
    }
}
function createWatcher(raw, ctx, publicThis, key) {
    const getter = key.includes('.')
        ? createPathGetter(publicThis, key)
        : () => publicThis[key];
    if (isString(raw)) {
        const handler = ctx[raw];
        if (isFunction(handler)) {
            watch(getter, handler);
        }
        else if ((process.env.NODE_ENV !== 'production')) {
            warn(`Invalid watch handler specified by key "${raw}"`, handler);
        }
    }
    else if (isFunction(raw)) {
        watch(getter, raw.bind(publicThis));
    }
    else if (isObject(raw)) {
        if (isArray(raw)) {
            raw.forEach(r => createWatcher(r, ctx, publicThis, key));
        }
        else {
            const handler = isFunction(raw.handler)
                ? raw.handler.bind(publicThis)
                : ctx[raw.handler];
            if (isFunction(handler)) {
                watch(getter, handler, raw);
            }
            else if ((process.env.NODE_ENV !== 'production')) {
                warn(`Invalid watch handler specified by key "${raw.handler}"`, handler);
            }
        }
    }
    else if ((process.env.NODE_ENV !== 'production')) {
        warn(`Invalid watch option: "${key}"`, raw);
    }
}
function createPathGetter(ctx, path) {
    const segments = path.split('.');
    return () => {
        let cur = ctx;
        for (let i = 0; i < segments.length && cur; i++) {
            cur = cur[segments[i]];
        }
        return cur;
    };
}
function resolveMergedOptions(instance) {
    const raw = instance.type;
    const { __merged, mixins, extends: extendsOptions } = raw;
    if (__merged)
        return __merged;
    const globalMixins = instance.appContext.mixins;
    if (!globalMixins.length && !mixins && !extendsOptions)
        return raw;
    const options = {};
    globalMixins.forEach(m => mergeOptions(options, m, instance));
    mergeOptions(options, raw, instance);
    return (raw.__merged = options);
}
function mergeOptions(to, from, instance) {
    const strats = instance.appContext.config.optionMergeStrategies;
    const { mixins, extends: extendsOptions } = from;
    extendsOptions && mergeOptions(to, extendsOptions, instance);
    mixins &&
        mixins.forEach((m) => mergeOptions(to, m, instance));
    for (const key in from) {
        if (strats && hasOwn(strats, key)) {
            to[key] = strats[key](to[key], from[key], instance.proxy, key);
        }
        else {
            to[key] = from[key];
        }
    }
}

const publicPropertiesMap = extend(Object.create(null), {
    $: i => i,
    $el: i => i.vnode.el,
    $data: i => i.data,
    $props: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.props) : i.props),
    $attrs: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.attrs) : i.attrs),
    $slots: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.slots) : i.slots),
    $refs: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.refs) : i.refs),
    $parent: i => i.parent && i.parent.proxy,
    $root: i => i.root && i.root.proxy,
    $emit: i => i.emit,
    $options: i => (__VUE_OPTIONS_API__ ? resolveMergedOptions(i) : i.type),
    $forceUpdate: i => () => queueJob(i.update),
    // $nextTick: i => nextTick.bind(i.proxy!), // fixed by xxxxxx
    $watch: i => (__VUE_OPTIONS_API__ ? instanceWatch.bind(i) : NOOP)
});
const PublicInstanceProxyHandlers = {
    get({ _: instance }, key) {
        const { ctx, setupState, data, props, accessCache, type, appContext } = instance;
        // let @vue/reactivity know it should never observe Vue public instances.
        if (key === "__v_skip" /* SKIP */) {
            return true;
        }
        // for internal formatters to know that this is a Vue instance
        if ((process.env.NODE_ENV !== 'production') && key === '__isVue') {
            return true;
        }
        // data / props / ctx
        // This getter gets called for every property access on the render context
        // during render and is a major hotspot. The most expensive part of this
        // is the multiple hasOwn() calls. It's much faster to do a simple property
        // access on a plain object, so we use an accessCache object (with null
        // prototype) to memoize what access type a key corresponds to.
        let normalizedProps;
        if (key[0] !== '$') {
            const n = accessCache[key];
            if (n !== undefined) {
                switch (n) {
                    case 0 /* SETUP */:
                        return setupState[key];
                    case 1 /* DATA */:
                        return data[key];
                    case 3 /* CONTEXT */:
                        return ctx[key];
                    case 2 /* PROPS */:
                        return props[key];
                    // default: just fallthrough
                }
            }
            else if (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) {
                accessCache[key] = 0 /* SETUP */;
                return setupState[key];
            }
            else if (data !== EMPTY_OBJ && hasOwn(data, key)) {
                accessCache[key] = 1 /* DATA */;
                return data[key];
            }
            else if (
            // only cache other properties when instance has declared (thus stable)
            // props
            (normalizedProps = instance.propsOptions[0]) &&
                hasOwn(normalizedProps, key)) {
                accessCache[key] = 2 /* PROPS */;
                return props[key];
            }
            else if (ctx !== EMPTY_OBJ && hasOwn(ctx, key)) {
                accessCache[key] = 3 /* CONTEXT */;
                return ctx[key];
            }
            else if (!__VUE_OPTIONS_API__ || !isInBeforeCreate) {
                accessCache[key] = 4 /* OTHER */;
            }
        }
        const publicGetter = publicPropertiesMap[key];
        let cssModule, globalProperties;
        // public $xxx properties
        if (publicGetter) {
            if (key === '$attrs') {
                track(instance, "get" /* GET */, key);
                (process.env.NODE_ENV !== 'production') && markAttrsAccessed();
            }
            return publicGetter(instance);
        }
        else if (
        // css module (injected by vue-loader)
        (cssModule = type.__cssModules) &&
            (cssModule = cssModule[key])) {
            return cssModule;
        }
        else if (ctx !== EMPTY_OBJ && hasOwn(ctx, key)) {
            // user may set custom properties to `this` that start with `$`
            accessCache[key] = 3 /* CONTEXT */;
            return ctx[key];
        }
        else if (
        // global properties
        ((globalProperties = appContext.config.globalProperties),
            hasOwn(globalProperties, key))) {
            return globalProperties[key];
        }
        else if ((process.env.NODE_ENV !== 'production') &&
            currentRenderingInstance &&
            (!isString(key) ||
                // #1091 avoid internal isRef/isVNode checks on component instance leading
                // to infinite warning loop
                key.indexOf('__v') !== 0)) {
            if (data !== EMPTY_OBJ &&
                (key[0] === '$' || key[0] === '_') &&
                hasOwn(data, key)) {
                warn(`Property ${JSON.stringify(key)} must be accessed via $data because it starts with a reserved ` +
                    `character ("$" or "_") and is not proxied on the render context.`);
            }
            else {
                warn(`Property ${JSON.stringify(key)} was accessed during render ` +
                    `but is not defined on instance.`);
            }
        }
    },
    set({ _: instance }, key, value) {
        const { data, setupState, ctx } = instance;
        if (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) {
            setupState[key] = value;
        }
        else if (data !== EMPTY_OBJ && hasOwn(data, key)) {
            data[key] = value;
        }
        else if (key in instance.props) {
            (process.env.NODE_ENV !== 'production') &&
                warn(`Attempting to mutate prop "${key}". Props are readonly.`, instance);
            return false;
        }
        if (key[0] === '$' && key.slice(1) in instance) {
            (process.env.NODE_ENV !== 'production') &&
                warn(`Attempting to mutate public property "${key}". ` +
                    `Properties starting with $ are reserved and readonly.`, instance);
            return false;
        }
        else {
            if ((process.env.NODE_ENV !== 'production') && key in instance.appContext.config.globalProperties) {
                Object.defineProperty(ctx, key, {
                    enumerable: true,
                    configurable: true,
                    value
                });
            }
            else {
                ctx[key] = value;
            }
        }
        return true;
    },
    has({ _: { data, setupState, accessCache, ctx, appContext, propsOptions } }, key) {
        let normalizedProps;
        return (accessCache[key] !== undefined ||
            (data !== EMPTY_OBJ && hasOwn(data, key)) ||
            (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) ||
            ((normalizedProps = propsOptions[0]) && hasOwn(normalizedProps, key)) ||
            hasOwn(ctx, key) ||
            hasOwn(publicPropertiesMap, key) ||
            hasOwn(appContext.config.globalProperties, key));
    }
};
if ((process.env.NODE_ENV !== 'production') && !false) {
    PublicInstanceProxyHandlers.ownKeys = (target) => {
        warn(`Avoid app logic that relies on enumerating keys on a component instance. ` +
            `The keys will be empty in production mode to avoid performance overhead.`);
        return Reflect.ownKeys(target);
    };
}
const RuntimeCompiledPublicInstanceProxyHandlers = extend({}, PublicInstanceProxyHandlers, {
    get(target, key) {
        // fast path for unscopables when using `with` block
        if (key === Symbol.unscopables) {
            return;
        }
        return PublicInstanceProxyHandlers.get(target, key, target);
    },
    has(_, key) {
        const has = key[0] !== '_' && !isGloballyWhitelisted(key);
        if ((process.env.NODE_ENV !== 'production') && !has && PublicInstanceProxyHandlers.has(_, key)) {
            warn(`Property ${JSON.stringify(key)} should not start with _ which is a reserved prefix for Vue internals.`);
        }
        return has;
    }
});
// In dev mode, the proxy target exposes the same properties as seen on `this`
// for easier console inspection. In prod mode it will be an empty object so
// these properties definitions can be skipped.
function createRenderContext(instance) {
    const target = {};
    // expose internal instance for proxy handlers
    Object.defineProperty(target, `_`, {
        configurable: true,
        enumerable: false,
        get: () => instance
    });
    // expose public properties
    Object.keys(publicPropertiesMap).forEach(key => {
        Object.defineProperty(target, key, {
            configurable: true,
            enumerable: false,
            get: () => publicPropertiesMap[key](instance),
            // intercepted by the proxy so no need for implementation,
            // but needed to prevent set errors
            set: NOOP
        });
    });
    // expose global properties
    const { globalProperties } = instance.appContext.config;
    Object.keys(globalProperties).forEach(key => {
        Object.defineProperty(target, key, {
            configurable: true,
            enumerable: false,
            get: () => globalProperties[key],
            set: NOOP
        });
    });
    return target;
}
// dev only
function exposePropsOnRenderContext(instance) {
    const { ctx, propsOptions: [propsOptions] } = instance;
    if (propsOptions) {
        Object.keys(propsOptions).forEach(key => {
            Object.defineProperty(ctx, key, {
                enumerable: true,
                configurable: true,
                get: () => instance.props[key],
                set: NOOP
            });
        });
    }
}
// dev only
function exposeSetupStateOnRenderContext(instance) {
    const { ctx, setupState } = instance;
    Object.keys(toRaw(setupState)).forEach(key => {
        if (key[0] === '$' || key[0] === '_') {
            warn(`setup() return property ${JSON.stringify(key)} should not start with "$" or "_" ` +
                `which are reserved prefixes for Vue internals.`);
            return;
        }
        Object.defineProperty(ctx, key, {
            enumerable: true,
            configurable: true,
            get: () => setupState[key],
            set: NOOP
        });
    });
}

const emptyAppContext = createAppContext();
let uid$2 = 0;
function createComponentInstance(vnode, parent, suspense) {
    const type = vnode.type;
    // inherit parent app context - or - if root, adopt from root vnode
    const appContext = (parent ? parent.appContext : vnode.appContext) || emptyAppContext;
    const instance = {
        uid: uid$2++,
        vnode,
        type,
        parent,
        appContext,
        root: null,
        next: null,
        subTree: null,
        update: null,
        render: null,
        proxy: null,
        withProxy: null,
        effects: null,
        provides: parent ? parent.provides : Object.create(appContext.provides),
        accessCache: null,
        renderCache: [],
        // local resovled assets
        components: null,
        directives: null,
        // resolved props and emits options
        propsOptions: normalizePropsOptions(type, appContext),
        emitsOptions: normalizeEmitsOptions(type, appContext),
        // emit
        emit: null,
        emitted: null,
        // state
        ctx: EMPTY_OBJ,
        data: EMPTY_OBJ,
        props: EMPTY_OBJ,
        attrs: EMPTY_OBJ,
        slots: EMPTY_OBJ,
        refs: EMPTY_OBJ,
        setupState: EMPTY_OBJ,
        setupContext: null,
        // suspense related
        suspense,
        suspenseId: suspense ? suspense.pendingId : 0,
        asyncDep: null,
        asyncResolved: false,
        // lifecycle hooks
        // not using enums here because it results in computed properties
        isMounted: false,
        isUnmounted: false,
        isDeactivated: false,
        bc: null,
        c: null,
        bm: null,
        m: null,
        bu: null,
        u: null,
        um: null,
        bum: null,
        da: null,
        a: null,
        rtg: null,
        rtc: null,
        ec: null
    };
    if ((process.env.NODE_ENV !== 'production')) {
        instance.ctx = createRenderContext(instance);
    }
    else {
        instance.ctx = { _: instance };
    }
    instance.root = parent ? parent.root : instance;
    instance.emit = emit.bind(null, instance);
    if ((process.env.NODE_ENV !== 'production') || false) ;
    return instance;
}
let currentInstance = null;
const setCurrentInstance = (instance) => {
    currentInstance = instance;
};
const isBuiltInTag = /*#__PURE__*/ makeMap('slot,component');
function validateComponentName(name, config) {
    const appIsNativeTag = config.isNativeTag || NO;
    if (isBuiltInTag(name) || appIsNativeTag(name)) {
        warn('Do not use built-in or reserved HTML elements as component id: ' + name);
    }
}
let isInSSRComponentSetup = false;
function setupComponent(instance, isSSR = false) {
    isInSSRComponentSetup = isSSR;
    const { props, /* children, */ shapeFlag } = instance.vnode;
    const isStateful = shapeFlag & 4 /* STATEFUL_COMPONENT */;
    initProps(instance, props, isStateful, isSSR);
    // initSlots(instance, children) // fixed by xxxxxx
    const setupResult = isStateful
        ? setupStatefulComponent(instance, isSSR)
        : undefined;
    isInSSRComponentSetup = false;
    return setupResult;
}
function setupStatefulComponent(instance, isSSR) {
    const Component = instance.type;
    if ((process.env.NODE_ENV !== 'production')) {
        if (Component.name) {
            validateComponentName(Component.name, instance.appContext.config);
        }
        if (Component.components) {
            const names = Object.keys(Component.components);
            for (let i = 0; i < names.length; i++) {
                validateComponentName(names[i], instance.appContext.config);
            }
        }
        if (Component.directives) {
            const names = Object.keys(Component.directives);
            for (let i = 0; i < names.length; i++) {
                validateDirectiveName(names[i]);
            }
        }
    }
    // 0. create render proxy property access cache
    instance.accessCache = Object.create(null);
    // 1. create public instance / render proxy
    // also mark it raw so it's never observed
    instance.proxy = new Proxy(instance.ctx, PublicInstanceProxyHandlers);
    if ((process.env.NODE_ENV !== 'production')) {
        exposePropsOnRenderContext(instance);
    }
    // 2. call setup()
    const { setup } = Component;
    if (setup) {
        const setupContext = (instance.setupContext =
            setup.length > 1 ? createSetupContext(instance) : null);
        currentInstance = instance;
        pauseTracking();
        const setupResult = callWithErrorHandling(setup, instance, 0 /* SETUP_FUNCTION */, [(process.env.NODE_ENV !== 'production') ? shallowReadonly(instance.props) : instance.props, setupContext]);
        resetTracking();
        currentInstance = null;
        if (isPromise(setupResult)) {
            if (isSSR) {
                // return the promise so server-renderer can wait on it
                return setupResult.then((resolvedResult) => {
                    handleSetupResult(instance, resolvedResult);
                });
            }
            else if ((process.env.NODE_ENV !== 'production')) {
                warn(`setup() returned a Promise, but the version of Vue you are using ` +
                    `does not support it yet.`);
            }
        }
        else {
            handleSetupResult(instance, setupResult);
        }
    }
    else {
        finishComponentSetup(instance);
    }
}
function handleSetupResult(instance, setupResult, isSSR) {
    if (isFunction(setupResult)) {
        // setup returned an inline render function
        instance.render = setupResult;
    }
    else if (isObject(setupResult)) {
        // if ((process.env.NODE_ENV !== 'production') && isVNode(setupResult)) {
        //   warn(
        //     `setup() should not return VNodes directly - ` +
        //       `return a render function instead.`
        //   )
        // }
        // setup returned bindings.
        // assuming a render function compiled from template is present.
        if ((process.env.NODE_ENV !== 'production') || false) {
            instance.devtoolsRawSetupState = setupResult;
        }
        instance.setupState = proxyRefs(setupResult);
        if ((process.env.NODE_ENV !== 'production')) {
            exposeSetupStateOnRenderContext(instance);
        }
    }
    else if ((process.env.NODE_ENV !== 'production') && setupResult !== undefined) {
        warn(`setup() should return an object. Received: ${setupResult === null ? 'null' : typeof setupResult}`);
    }
    finishComponentSetup(instance);
}
function finishComponentSetup(instance, isSSR) {
    const Component = instance.type;
    // template / render function normalization
    if (!instance.render) {
        instance.render = (Component.render || NOOP);
        // for runtime-compiled render functions using `with` blocks, the render
        // proxy used needs a different `has` handler which is more performant and
        // also only allows a whitelist of globals to fallthrough.
        if (instance.render._rc) {
            instance.withProxy = new Proxy(instance.ctx, RuntimeCompiledPublicInstanceProxyHandlers);
        }
    }
    // support for 2.x options
    if (__VUE_OPTIONS_API__) {
        currentInstance = instance;
        applyOptions(instance, Component);
        currentInstance = null;
    }
    // warn missing template/render
    if ((process.env.NODE_ENV !== 'production') && !Component.render && instance.render === NOOP) {
        /* istanbul ignore if */
        if ( Component.template) {
            warn(`Component provided template option but ` +
                `runtime compilation is not supported in this build of Vue.` +
                ( ` Configure your bundler to alias "vue" to "vue/dist/vue.esm-bundler.js".`
                    ) /* should not happen */);
        }
        else {
            warn(`Component is missing template or render function.`);
        }
    }
}
const attrHandlers = {
    get: (target, key) => {
        if ((process.env.NODE_ENV !== 'production')) ;
        return target[key];
    },
    set: () => {
        warn(`setupContext.attrs is readonly.`);
        return false;
    },
    deleteProperty: () => {
        warn(`setupContext.attrs is readonly.`);
        return false;
    }
};
function createSetupContext(instance) {
    if ((process.env.NODE_ENV !== 'production')) {
        // We use getters in dev in case libs like test-utils overwrite instance
        // properties (overwrites should not be done in prod)
        return Object.freeze({
            get attrs() {
                return new Proxy(instance.attrs, attrHandlers);
            },
            get slots() {
                return shallowReadonly(instance.slots);
            },
            get emit() {
                return (event, ...args) => instance.emit(event, ...args);
            }
        });
    }
    else {
        return {
            attrs: instance.attrs,
            slots: instance.slots,
            emit: instance.emit
        };
    }
}
// record effects created during a component's setup() so that they can be
// stopped when the component unmounts
function recordInstanceBoundEffect(effect) {
    if (currentInstance) {
        (currentInstance.effects || (currentInstance.effects = [])).push(effect);
    }
}
const classifyRE = /(?:^|[-_])(\w)/g;
const classify = (str) => str.replace(classifyRE, c => c.toUpperCase()).replace(/[-_]/g, '');
/* istanbul ignore next */
function formatComponentName(instance, Component, isRoot = false) {
    let name = isFunction(Component)
        ? Component.displayName || Component.name
        : Component.name;
    if (!name && Component.__file) {
        const match = Component.__file.match(/([^/\\]+)\.vue$/);
        if (match) {
            name = match[1];
        }
    }
    if (!name && instance && instance.parent) {
        // try to infer the name based on reverse resolution
        const inferFromRegistry = (registry) => {
            for (const key in registry) {
                if (registry[key] === Component) {
                    return key;
                }
            }
        };
        name =
            inferFromRegistry(instance.components ||
                instance.parent.type.components) || inferFromRegistry(instance.appContext.components);
    }
    return name ? classify(name) : isRoot ? `App` : `Anonymous`;
}

function computed$1(getterOrOptions) {
    const c = computed(getterOrOptions);
    recordInstanceBoundEffect(c.effect);
    return c;
}

// Core API ------------------------------------------------------------------
const version = "3.0.2";

// import deepCopy from './deepCopy'
/**
 * https://raw.githubusercontent.com/Tencent/westore/master/packages/westore/utils/diff.js
 */
const ARRAYTYPE = '[object Array]';
const OBJECTTYPE = '[object Object]';
// const FUNCTIONTYPE = '[object Function]'
function diff(current, pre) {
    const result = {};
    syncKeys(current, pre);
    _diff(current, pre, '', result);
    return result;
}
function syncKeys(current, pre) {
    current = unref(current);
    if (current === pre)
        return;
    const rootCurrentType = toTypeString(current);
    const rootPreType = toTypeString(pre);
    if (rootCurrentType == OBJECTTYPE && rootPreType == OBJECTTYPE) {
        for (let key in pre) {
            const currentValue = current[key];
            if (currentValue === undefined) {
                current[key] = null;
            }
            else {
                syncKeys(currentValue, pre[key]);
            }
        }
    }
    else if (rootCurrentType == ARRAYTYPE && rootPreType == ARRAYTYPE) {
        if (current.length >= pre.length) {
            pre.forEach((item, index) => {
                syncKeys(current[index], item);
            });
        }
    }
}
function _diff(current, pre, path, result) {
    current = unref(current);
    if (current === pre)
        return;
    const rootCurrentType = toTypeString(current);
    const rootPreType = toTypeString(pre);
    if (rootCurrentType == OBJECTTYPE) {
        if (rootPreType != OBJECTTYPE ||
            Object.keys(current).length < Object.keys(pre).length) {
            setResult(result, path, current);
        }
        else {
            for (let key in current) {
                const currentValue = unref(current[key]);
                const preValue = pre[key];
                const currentType = toTypeString(currentValue);
                const preType = toTypeString(preValue);
                if (currentType != ARRAYTYPE && currentType != OBJECTTYPE) {
                    if (currentValue != preValue) {
                        setResult(result, (path == '' ? '' : path + '.') + key, currentValue);
                    }
                }
                else if (currentType == ARRAYTYPE) {
                    if (preType != ARRAYTYPE) {
                        setResult(result, (path == '' ? '' : path + '.') + key, currentValue);
                    }
                    else {
                        if (currentValue.length < preValue.length) {
                            setResult(result, (path == '' ? '' : path + '.') + key, currentValue);
                        }
                        else {
                            currentValue.forEach((item, index) => {
                                _diff(item, preValue[index], (path == '' ? '' : path + '.') + key + '[' + index + ']', result);
                            });
                        }
                    }
                }
                else if (currentType == OBJECTTYPE) {
                    if (preType != OBJECTTYPE ||
                        Object.keys(currentValue).length < Object.keys(preValue).length) {
                        setResult(result, (path == '' ? '' : path + '.') + key, currentValue);
                    }
                    else {
                        for (let subKey in currentValue) {
                            _diff(currentValue[subKey], preValue[subKey], (path == '' ? '' : path + '.') + key + '.' + subKey, result);
                        }
                    }
                }
            }
        }
    }
    else if (rootCurrentType == ARRAYTYPE) {
        if (rootPreType != ARRAYTYPE) {
            setResult(result, path, current);
        }
        else {
            if (current.length < pre.length) {
                setResult(result, path, current);
            }
            else {
                current.forEach((item, index) => {
                    _diff(item, pre[index], path + '[' + index + ']', result);
                });
            }
        }
    }
    else {
        setResult(result, path, current);
    }
}
function setResult(result, k, v) {
    result[k] = v; //deepCopy(v)
}

function hasComponentEffect(instance) {
    return queue.includes(instance.update);
}
function flushCallbacks(instance) {
    const ctx = instance.ctx;
    const callbacks = ctx.__next_tick_callbacks;
    if (callbacks && callbacks.length) {
        if (process.env.VUE_APP_DEBUG) {
            const mpInstance = ctx.$scope;
            console.log('[' +
                +new Date() +
                '][' +
                (mpInstance.is || mpInstance.route) +
                '][' +
                instance.uid +
                ']:flushCallbacks[' +
                callbacks.length +
                ']');
        }
        const copies = callbacks.slice(0);
        callbacks.length = 0;
        for (let i = 0; i < copies.length; i++) {
            copies[i]();
        }
    }
}
function nextTick$1(instance, fn) {
    const ctx = instance.ctx;
    if (!ctx.__next_tick_pending && !hasComponentEffect(instance)) {
        if (process.env.VUE_APP_DEBUG) {
            const mpInstance = ctx.$scope;
            console.log('[' +
                +new Date() +
                '][' +
                (mpInstance.is || mpInstance.route) +
                '][' +
                instance.uid +
                ']:nextVueTick');
        }
        return nextTick(fn && fn.bind(instance.proxy));
    }
    if (process.env.VUE_APP_DEBUG) {
        const mpInstance = ctx.$scope;
        console.log('[' +
            +new Date() +
            '][' +
            (mpInstance.is || mpInstance.route) +
            '][' +
            instance.uid +
            ']:nextMPTick');
    }
    let _resolve;
    if (!ctx.__next_tick_callbacks) {
        ctx.__next_tick_callbacks = [];
    }
    ctx.__next_tick_callbacks.push(() => {
        if (fn) {
            callWithErrorHandling(fn.bind(instance.proxy), instance, 14 /* SCHEDULER */);
        }
        else if (_resolve) {
            _resolve(instance.proxy);
        }
    });
    return new Promise(resolve => {
        _resolve = resolve;
    });
}

function getMPInstanceData(instance, keys) {
    const data = instance.data;
    const ret = Object.create(null);
    //仅同步 data 中有的数据
    keys.forEach(key => {
        ret[key] = data[key];
    });
    return ret;
}
function getVueInstanceData(instance) {
    const { data, setupState, ctx } = instance;
    const keys = new Set();
    const ret = Object.create(null);
    Object.keys(setupState).forEach(key => {
        keys.add(key);
        ret[key] = setupState[key];
    });
    if (data) {
        Object.keys(data).forEach(key => {
            if (!keys.has(key)) {
                keys.add(key);
                ret[key] = data[key];
            }
        });
    }
    if (__VUE_OPTIONS_API__) {
        if (ctx.$computedKeys) {
            ctx.$computedKeys.forEach((key) => {
                if (!keys.has(key)) {
                    keys.add(key);
                    ret[key] = ctx[key];
                }
            });
        }
    }
    if (ctx.$mp) {
        // TODO
        extend(ret, ctx.$mp.data || {});
    }
    // TODO form-field
    // track
    return { keys, data: JSON.parse(JSON.stringify(ret)) };
}
function patch(instance) {
    const ctx = instance.ctx;
    const mpType = ctx.mpType;
    if (mpType === 'page' || mpType === 'component') {
        const start = Date.now();
        const mpInstance = ctx.$scope;
        const { keys, data } = getVueInstanceData(instance);
        // data.__webviewId__ = mpInstance.data.__webviewId__
        const diffData = diff(data, getMPInstanceData(mpInstance, keys));
        if (Object.keys(diffData).length) {
            if (process.env.VUE_APP_DEBUG) {
                console.log('[' +
                    +new Date() +
                    '][' +
                    (mpInstance.is || mpInstance.route) +
                    '][' +
                    instance.uid +
                    '][耗时' +
                    (Date.now() - start) +
                    ']差量更新', JSON.stringify(diffData));
            }
            ctx.__next_tick_pending = true;
            mpInstance.setData(diffData, () => {
                ctx.__next_tick_pending = false;
                flushCallbacks(instance);
            });
        }
        else {
            flushCallbacks(instance);
        }
    }
}

function initAppConfig(appConfig) {
    appConfig.globalProperties.$nextTick = function $nextTick(fn) {
        return nextTick$1(this.$, fn);
    };
}

function onApplyOptions(options, instance, publicThis) {
    instance.appContext.config.globalProperties.$applyOptions(options, instance, publicThis);
    const computedOptions = options.computed;
    if (computedOptions) {
        const keys = Object.keys(computedOptions);
        if (keys.length) {
            const ctx = instance.ctx;
            if (!ctx.$computedKeys) {
                ctx.$computedKeys = [];
            }
            ctx.$computedKeys.push(...keys);
        }
    }
    // remove
    delete instance.ctx.$onApplyOptions;
}

var MPType;
(function (MPType) {
    MPType["APP"] = "app";
    MPType["PAGE"] = "page";
    MPType["COMPONENT"] = "component";
})(MPType || (MPType = {}));
const queuePostRenderEffect$1 = queuePostFlushCb;
function mountComponent(initialVNode, options) {
    const instance = (initialVNode.component = createComponentInstance(initialVNode, options.parentComponent, null));
    if (__VUE_OPTIONS_API__) {
        instance.ctx.$onApplyOptions = onApplyOptions;
        instance.ctx.$children = [];
    }
    if (options.mpType === 'app') {
        instance.render = NOOP;
    }
    if (options.onBeforeSetup) {
        options.onBeforeSetup(instance, options);
    }
    if ((process.env.NODE_ENV !== 'production')) {
        pushWarningContext(initialVNode);
    }
    setupComponent(instance);
    if (__VUE_OPTIONS_API__) {
        // $children
        if (options.parentComponent && instance.proxy) {
            options.parentComponent.ctx
                .$children.push(instance.proxy);
        }
    }
    setupRenderEffect(instance);
    if ((process.env.NODE_ENV !== 'production')) {
        popWarningContext();
    }
    return instance.proxy;
}
const prodEffectOptions = {
    scheduler: queueJob
};
function createDevEffectOptions(instance) {
    return {
        scheduler: queueJob,
        onTrack: instance.rtc ? e => invokeArrayFns(instance.rtc, e) : void 0,
        onTrigger: instance.rtg ? e => invokeArrayFns(instance.rtg, e) : void 0
    };
}
function setupRenderEffect(instance) {
    // create reactive effect for rendering
    instance.update = effect(function componentEffect() {
        if (!instance.isMounted) {
            instance.render && instance.render.call(instance.proxy);
            patch(instance);
        }
        else {
            instance.render && instance.render.call(instance.proxy);
            // updateComponent
            const { bu, u } = instance;
            // beforeUpdate hook
            if (bu) {
                invokeArrayFns(bu);
            }
            patch(instance);
            // updated hook
            if (u) {
                queuePostRenderEffect$1(u);
            }
        }
    }, (process.env.NODE_ENV !== 'production') ? createDevEffectOptions(instance) : prodEffectOptions);
}
function unmountComponent(instance) {
    const { bum, effects, update, um } = instance;
    // beforeUnmount hook
    if (bum) {
        invokeArrayFns(bum);
    }
    if (effects) {
        for (let i = 0; i < effects.length; i++) {
            stop(effects[i]);
        }
    }
    // update may be null if a component is unmounted before its async
    // setup has resolved.
    if (update) {
        stop(update);
    }
    // unmounted hook
    if (um) {
        queuePostRenderEffect$1(um);
    }
    queuePostRenderEffect$1(() => {
        instance.isUnmounted = true;
    });
}
const oldCreateApp = createAppAPI();
function createVueApp(rootComponent, rootProps = null) {
    const app = oldCreateApp(rootComponent, rootProps);
    const appContext = app._context;
    initAppConfig(appContext.config);
    const createVNode = initialVNode => {
        initialVNode.appContext = appContext;
        initialVNode.shapeFlag = 6 /* COMPONENT */;
        return initialVNode;
    };
    const createComponent = function createComponent(initialVNode, options) {
        return mountComponent(createVNode(initialVNode), options);
    };
    const destroyComponent = function destroyComponent(component) {
        return component && unmountComponent(component.$);
    };
    app.mount = function mount() {
        rootComponent.render = NOOP;
        const instance = mountComponent(createVNode({ type: rootComponent }), {
            mpType: MPType.APP,
            mpInstance: null,
            parentComponent: null,
            slots: [],
            props: null
        });
        instance.$app = app;
        instance.$createComponent = createComponent;
        instance.$destroyComponent = destroyComponent;
        appContext.$appInstance = instance;
        return instance;
    };
    app.unmount = function unmount() {
        warn(`Cannot unmount an app.`);
    };
    return app;
}

function applyOptions$1(options, instance, publicThis) {
    Object.keys(options).forEach(name => {
        if (name.indexOf('on') === 0) {
            const hook = options[name];
            if (isFunction(hook)) {
                injectHook(name, hook.bind(publicThis), instance);
            }
        }
    });
}

function set$2(target, key, val) {
    return (target[key] = val);
}
function hasHook(name) {
    const hooks = this.$[name];
    if (hooks && hooks.length) {
        return true;
    }
    return false;
}
function callHook(name, args) {
    const hooks = this.$[name];
    let ret;
    if (hooks) {
        for (let i = 0; i < hooks.length; i++) {
            ret = hooks[i](args);
        }
    }
    return ret;
}

function errorHandler(err, instance, info) {
    if (!instance) {
        throw err;
    }
    const appInstance = instance.$.appContext.$appInstance;
    if (!appInstance) {
        throw err;
    }
    appInstance.$callHook('onError', err, info);
}

function initApp(app) {
    const appConfig = app._context.config;
    if (isFunction(app._component.onError)) {
        appConfig.errorHandler = errorHandler;
    }
    const globalProperties = appConfig.globalProperties;
    globalProperties.$hasHook = hasHook;
    globalProperties.$callHook = callHook;
    if (__VUE_OPTIONS_API__) {
        globalProperties.$set = set$2;
        globalProperties.$applyOptions = applyOptions$1;
    }
}

var plugin = {
    install(app) {
        initApp(app);
        const globalProperties = app._context.config.globalProperties;
        const oldCallHook = globalProperties.$callHook;
        globalProperties.$callHook = function callHook(name, args) {
            if (name === 'mounted') {
                oldCallHook.call(this, 'bm'); // beforeMount
                this.$.isMounted = true;
                name = 'm';
            }
            return oldCallHook.call(this, name, args);
        };
        const oldMount = app.mount;
        app.mount = function mount(rootContainer) {
            const instance = oldMount.call(app, rootContainer);
            // @ts-ignore
            createMiniProgramApp(instance);
            return instance;
        };
    }
};

// @ts-ignore
const createHook$1 = (lifecycle) => (hook, target) => 
// post-create lifecycle registrations are noops during SSR
!isInSSRComponentSetup && injectHook(lifecycle, hook, target);
const onShow = /*#__PURE__*/ createHook$1("onShow" /* ON_SHOW */);
const onHide = /*#__PURE__*/ createHook$1("onHide" /* ON_HIDE */);
const onLaunch = /*#__PURE__*/ createHook$1("onLaunch" /* ON_LAUCH */);
const onError = /*#__PURE__*/ createHook$1("onError" /* ON_ERROR */);
const onThemeChange = /*#__PURE__*/ createHook$1("onThemeChange" /* ON_THEME_CHANGE */);
const onPageNotFound = /*#__PURE__*/ createHook$1("onPageNotFound" /* ON_PAGE_NOT_FOUND */);
const onUnhandledRejection = /*#__PURE__*/ createHook$1("onUnhandledRejection" /* ON_UNHANDLE_REJECTION */);
const onLoad = /*#__PURE__*/ createHook$1("onLoad" /* ON_LOAD */);
const onReady = /*#__PURE__*/ createHook$1("onReady" /* ON_READY */);
const onUnload = /*#__PURE__*/ createHook$1("onUnload" /* ON_UNLOAD */);
const onResize = /*#__PURE__*/ createHook$1("onResize" /* ON_RESIZE */);
const onBackPress = /*#__PURE__*/ createHook$1("onBackPress" /* ON_BACK_PRESS */);
const onPageScroll = /*#__PURE__*/ createHook$1("onPageScroll" /* ON_PAGE_SCROLL */);
const onTabItemTap = /*#__PURE__*/ createHook$1("onTabItemTap" /* ON_TAB_ITEM_TAP */);
const onReachBottom = /*#__PURE__*/ createHook$1("onReachBottom" /* ON_REACH_BOTTOM */);
const onPullDownRefresh = /*#__PURE__*/ createHook$1("onPullDownRefresh" /* ON_PULL_DOWN_REFRESH */);
const onShareTimeline = /*#__PURE__*/ createHook$1("onShareTimeline" /* ON_SHARE_TIMELINE */);
const onAddToFavorites = /*#__PURE__*/ createHook$1("onAddToFavorites" /* ON_ADD_TO_FAVORITES */);
const onShareAppMessage = /*#__PURE__*/ createHook$1("onShareAppMessage" /* ON_SHARE_APP_MESSAGE */);
const onNavigationBarButtonTap = /*#__PURE__*/ createHook$1("onNavigationBarButtonTap" /* ON_NAVIGATION_BAR_BUTTON_TAP */);
const onNavigationBarSearchInputChanged = /*#__PURE__*/ createHook$1("onNavigationBarSearchInputChanged" /* ON_NAVIGATION_BAR_SEARCH_INPUT_CHANGED */);
const onNavigationBarSearchInputClicked = /*#__PURE__*/ createHook$1("onNavigationBarSearchInputClicked" /* ON_NAVIGATION_BAR_SEARCH_INPUT_CLICKED */);
const onNavigationBarSearchInputConfirmed = /*#__PURE__*/ createHook$1("onNavigationBarSearchInputConfirmed" /* ON_NAVIGATION_BAR_SEARCH_INPUT_CONFIRMED */);
const onNavigationBarSearchInputFocusChanged = /*#__PURE__*/ createHook$1("onNavigationBarSearchInputFocusChanged" /* ON_NAVIGATION_BAR_SEARCH_INPUT_FOCUS_CHANGED */);

function createApp(rootComponent, rootProps = null) {
    return createVueApp(rootComponent, rootProps).use(plugin);
}

export { callWithAsyncErrorHandling, callWithErrorHandling, computed$1 as computed, createApp, createHook$1 as createHook, createVueApp, customRef, inject, injectHook, isInSSRComponentSetup, isProxy, isReactive, isReadonly, isRef, logError, markRaw, nextTick, onActivated, onAddToFavorites, onBackPress, onBeforeMount, onBeforeUnmount, onBeforeUpdate, onDeactivated, onError, onErrorCaptured, onHide, onLaunch, onLoad, onMounted, onNavigationBarButtonTap, onNavigationBarSearchInputChanged, onNavigationBarSearchInputClicked, onNavigationBarSearchInputConfirmed, onNavigationBarSearchInputFocusChanged, onPageNotFound, onPageScroll, onPullDownRefresh, onReachBottom, onReady, onRenderTracked, onRenderTriggered, onResize, onShareAppMessage, onShareTimeline, onShow, onTabItemTap, onThemeChange, onUnhandledRejection, onUnload, onUnmounted, onUpdated, provide, reactive, readonly, ref, shallowReactive, shallowReadonly, shallowRef, toRaw, toRef, toRefs, triggerRef, unref, version, warn, watch, watchEffect };