/**
 * Make a map and return a function for checking if a key
 * is in that map.
 * IMPORTANT: all calls of this function must be prefixed with
 * \/\*#\_\_PURE\_\_\*\/
 * So that rollup can tree-shake them if necessary.
 */
function makeMap(str, expectsLowerCase) {
    const map = Object.create(null);
    const list = str.split(',');
    for (let i = 0; i < list.length; i++) {
        map[list[i]] = true;
    }
    return expectsLowerCase ? val => !!map[val.toLowerCase()] : val => !!map[val];
}

/**
 * On the client we only need to offer special cases for boolean attributes that
 * have different names from their corresponding dom properties:
 * - itemscope -> N/A
 * - allowfullscreen -> allowFullscreen
 * - formnovalidate -> formNoValidate
 * - ismap -> isMap
 * - nomodule -> noModule
 * - novalidate -> noValidate
 * - readonly -> readOnly
 */
const specialBooleanAttrs = `itemscope,allowfullscreen,formnovalidate,ismap,nomodule,novalidate,readonly`;
const isSpecialBooleanAttr = /*#__PURE__*/ makeMap(specialBooleanAttrs);
/**
 * The full list is needed during SSR to produce the correct initial markup.
 */
const isBooleanAttr = /*#__PURE__*/ makeMap(specialBooleanAttrs +
    `,async,autofocus,autoplay,controls,default,defer,disabled,hidden,` +
    `loop,open,required,reversed,scoped,seamless,` +
    `checked,muted,multiple,selected`);
/**
 * Boolean attributes should be included if the value is truthy or ''.
 * e.g. `<select multiple>` compiles to `{ multiple: '' }`
 */
function includeBooleanAttr(value) {
    return !!value || value === '';
}
const unsafeAttrCharRE = /[>/="'\u0009\u000a\u000c\u0020]/;
const attrValidationCache = {};
function isSSRSafeAttrName(name) {
    if (attrValidationCache.hasOwnProperty(name)) {
        return attrValidationCache[name];
    }
    const isUnsafe = unsafeAttrCharRE.test(name);
    if (isUnsafe) {
        console.error(`unsafe attribute name: ${name}`);
    }
    return (attrValidationCache[name] = !isUnsafe);
}
const propsToAttrMap = {
    acceptCharset: 'accept-charset',
    className: 'class',
    htmlFor: 'for',
    httpEquiv: 'http-equiv'
};
/**
 * CSS properties that accept plain numbers
 */
const isNoUnitNumericStyleProp = /*#__PURE__*/ makeMap(`animation-iteration-count,border-image-outset,border-image-slice,` +
    `border-image-width,box-flex,box-flex-group,box-ordinal-group,column-count,` +
    `columns,flex,flex-grow,flex-positive,flex-shrink,flex-negative,flex-order,` +
    `grid-row,grid-row-end,grid-row-span,grid-row-start,grid-column,` +
    `grid-column-end,grid-column-span,grid-column-start,font-weight,line-clamp,` +
    `line-height,opacity,order,orphans,tab-size,widows,z-index,zoom,` +
    // SVG
    `fill-opacity,flood-opacity,stop-opacity,stroke-dasharray,stroke-dashoffset,` +
    `stroke-miterlimit,stroke-opacity,stroke-width`);

function normalizeStyle(value) {
    if (isArray(value)) {
        const res = {};
        for (let i = 0; i < value.length; i++) {
            const item = value[i];
            const normalized = isString(item)
                ? parseStringStyle(item)
                : normalizeStyle(item);
            if (normalized) {
                for (const key in normalized) {
                    res[key] = normalized[key];
                }
            }
        }
        return res;
    }
    else if (isString(value)) {
        return value;
    }
    else if (isObject(value)) {
        return value;
    }
}
const listDelimiterRE = /;(?![^(]*\))/g;
const propertyDelimiterRE = /:(.+)/;
function parseStringStyle(cssText) {
    const ret = {};
    cssText.split(listDelimiterRE).forEach(item => {
        if (item) {
            const tmp = item.split(propertyDelimiterRE);
            tmp.length > 1 && (ret[tmp[0].trim()] = tmp[1].trim());
        }
    });
    return ret;
}
function stringifyStyle(styles) {
    let ret = '';
    if (!styles || isString(styles)) {
        return ret;
    }
    for (const key in styles) {
        const value = styles[key];
        const normalizedKey = key.startsWith(`--`) ? key : hyphenate(key);
        if (isString(value) ||
            (typeof value === 'number' && isNoUnitNumericStyleProp(normalizedKey))) {
            // only render valid values
            ret += `${normalizedKey}:${value};`;
        }
    }
    return ret;
}
function normalizeClass(value) {
    let res = '';
    if (isString(value)) {
        res = value;
    }
    else if (isArray(value)) {
        for (let i = 0; i < value.length; i++) {
            const normalized = normalizeClass(value[i]);
            if (normalized) {
                res += normalized + ' ';
            }
        }
    }
    else if (isObject(value)) {
        for (const name in value) {
            if (value[name]) {
                res += name + ' ';
            }
        }
    }
    return res.trim();
}

// These tag configs are shared between compiler-dom and runtime-dom, so they
// https://developer.mozilla.org/en-US/docs/Web/HTML/Element
const HTML_TAGS = 'html,body,base,head,link,meta,style,title,address,article,aside,footer,' +
    'header,h1,h2,h3,h4,h5,h6,nav,section,div,dd,dl,dt,figcaption,' +
    'figure,picture,hr,img,li,main,ol,p,pre,ul,a,b,abbr,bdi,bdo,br,cite,code,' +
    'data,dfn,em,i,kbd,mark,q,rp,rt,ruby,s,samp,small,span,strong,sub,sup,' +
    'time,u,var,wbr,area,audio,map,track,video,embed,object,param,source,' +
    'canvas,script,noscript,del,ins,caption,col,colgroup,table,thead,tbody,td,' +
    'th,tr,button,datalist,fieldset,form,input,label,legend,meter,optgroup,' +
    'option,output,progress,select,textarea,details,dialog,menu,' +
    'summary,template,blockquote,iframe,tfoot';
// https://developer.mozilla.org/en-US/docs/Web/SVG/Element
const SVG_TAGS = 'svg,animate,animateMotion,animateTransform,circle,clipPath,color-profile,' +
    'defs,desc,discard,ellipse,feBlend,feColorMatrix,feComponentTransfer,' +
    'feComposite,feConvolveMatrix,feDiffuseLighting,feDisplacementMap,' +
    'feDistanceLight,feDropShadow,feFlood,feFuncA,feFuncB,feFuncG,feFuncR,' +
    'feGaussianBlur,feImage,feMerge,feMergeNode,feMorphology,feOffset,' +
    'fePointLight,feSpecularLighting,feSpotLight,feTile,feTurbulence,filter,' +
    'foreignObject,g,hatch,hatchpath,image,line,linearGradient,marker,mask,' +
    'mesh,meshgradient,meshpatch,meshrow,metadata,mpath,path,pattern,' +
    'polygon,polyline,radialGradient,rect,set,solidcolor,stop,switch,symbol,' +
    'text,textPath,title,tspan,unknown,use,view';
const VOID_TAGS = 'area,base,br,col,embed,hr,img,input,link,meta,param,source,track,wbr';
/**
 * Compiler only.
 * Do NOT use in runtime code paths unless behind `true` flag.
 */
const isHTMLTag = /*#__PURE__*/ makeMap(HTML_TAGS);
/**
 * Compiler only.
 * Do NOT use in runtime code paths unless behind `true` flag.
 */
const isSVGTag = /*#__PURE__*/ makeMap(SVG_TAGS);
/**
 * Compiler only.
 * Do NOT use in runtime code paths unless behind `true` flag.
 */
const isVoidTag = /*#__PURE__*/ makeMap(VOID_TAGS);

const escapeRE = /["'&<>]/;
function escapeHtml(string) {
    const str = '' + string;
    const match = escapeRE.exec(str);
    if (!match) {
        return str;
    }
    let html = '';
    let escaped;
    let index;
    let lastIndex = 0;
    for (index = match.index; index < str.length; index++) {
        switch (str.charCodeAt(index)) {
            case 34: // "
                escaped = '&quot;';
                break;
            case 38: // &
                escaped = '&amp;';
                break;
            case 39: // '
                escaped = '&#39;';
                break;
            case 60: // <
                escaped = '&lt;';
                break;
            case 62: // >
                escaped = '&gt;';
                break;
            default:
                continue;
        }
        if (lastIndex !== index) {
            html += str.slice(lastIndex, index);
        }
        lastIndex = index + 1;
        html += escaped;
    }
    return lastIndex !== index ? html + str.slice(lastIndex, index) : html;
}
// https://www.w3.org/TR/html52/syntax.html#comments
const commentStripRE = /^-?>|<!--|-->|--!>|<!-$/g;
function escapeHtmlComment(src) {
    return src.replace(commentStripRE, '');
}

function looseCompareArrays(a, b) {
    if (a.length !== b.length)
        return false;
    let equal = true;
    for (let i = 0; equal && i < a.length; i++) {
        equal = looseEqual(a[i], b[i]);
    }
    return equal;
}
function looseEqual(a, b) {
    if (a === b)
        return true;
    let aValidType = isDate(a);
    let bValidType = isDate(b);
    if (aValidType || bValidType) {
        return aValidType && bValidType ? a.getTime() === b.getTime() : false;
    }
    aValidType = isSymbol(a);
    bValidType = isSymbol(b);
    if (aValidType || bValidType) {
        return a === b;
    }
    aValidType = isArray(a);
    bValidType = isArray(b);
    if (aValidType || bValidType) {
        return aValidType && bValidType ? looseCompareArrays(a, b) : false;
    }
    aValidType = isObject(a);
    bValidType = isObject(b);
    if (aValidType || bValidType) {
        /* istanbul ignore if: this if will probably never be called */
        if (!aValidType || !bValidType) {
            return false;
        }
        const aKeysCount = Object.keys(a).length;
        const bKeysCount = Object.keys(b).length;
        if (aKeysCount !== bKeysCount) {
            return false;
        }
        for (const key in a) {
            const aHasKey = a.hasOwnProperty(key);
            const bHasKey = b.hasOwnProperty(key);
            if ((aHasKey && !bHasKey) ||
                (!aHasKey && bHasKey) ||
                !looseEqual(a[key], b[key])) {
                return false;
            }
        }
    }
    return String(a) === String(b);
}
function looseIndexOf(arr, val) {
    return arr.findIndex(item => looseEqual(item, val));
}

/**
 * For converting {{ interpolation }} values to displayed strings.
 * @private
 */
const toDisplayString = (val) => {
    return isString(val)
        ? val
        : val == null
            ? ''
            : isArray(val) ||
                (isObject(val) &&
                    (val.toString === objectToString || !isFunction(val.toString)))
                ? JSON.stringify(val, replacer, 2)
                : String(val);
};
const replacer = (_key, val) => {
    // can't use isRef here since @vue/shared has no deps
    if (val && val.__v_isRef) {
        return replacer(_key, val.value);
    }
    else if (isMap(val)) {
        return {
            [`Map(${val.size})`]: [...val.entries()].reduce((entries, [key, val]) => {
                entries[`${key} =>`] = val;
                return entries;
            }, {})
        };
    }
    else if (isSet(val)) {
        return {
            [`Set(${val.size})`]: [...val.values()]
        };
    }
    else if (isObject(val) && !isArray(val) && !isPlainObject(val)) {
        return String(val);
    }
    return val;
};

const EMPTY_OBJ = Object.freeze({})
    ;
const EMPTY_ARR = Object.freeze([]) ;
const NOOP = () => { };
/**
 * Always return false.
 */
const NO = () => false;
const onRE = /^on[^a-z]/;
const isOn = (key) => onRE.test(key);
const isModelListener = (key) => key.startsWith('onUpdate:');
const extend = Object.assign;
const remove = (arr, el) => {
    const i = arr.indexOf(el);
    if (i > -1) {
        arr.splice(i, 1);
    }
};
const hasOwnProperty = Object.prototype.hasOwnProperty;
const hasOwn = (val, key) => hasOwnProperty.call(val, key);
const isArray = Array.isArray;
const isMap = (val) => toTypeString(val) === '[object Map]';
const isSet = (val) => toTypeString(val) === '[object Set]';
const isDate = (val) => toTypeString(val) === '[object Date]';
const isFunction = (val) => typeof val === 'function';
const isString = (val) => typeof val === 'string';
const isSymbol = (val) => typeof val === 'symbol';
const isObject = (val) => val !== null && typeof val === 'object';
const isPromise = (val) => {
    return isObject(val) && isFunction(val.then) && isFunction(val.catch);
};
const objectToString = Object.prototype.toString;
const toTypeString = (value) => objectToString.call(value);
const toRawType = (value) => {
    // extract "RawType" from strings like "[object RawType]"
    return toTypeString(value).slice(8, -1);
};
const isPlainObject = (val) => toTypeString(val) === '[object Object]';
const isIntegerKey = (key) => isString(key) &&
    key !== 'NaN' &&
    key[0] !== '-' &&
    '' + parseInt(key, 10) === key;
const isReservedProp = /*#__PURE__*/ makeMap(
// the leading comma is intentional so empty string "" is also included
',key,ref,ref_for,ref_key,' +
    'onVnodeBeforeMount,onVnodeMounted,' +
    'onVnodeBeforeUpdate,onVnodeUpdated,' +
    'onVnodeBeforeUnmount,onVnodeUnmounted');
const isBuiltInDirective = /*#__PURE__*/ makeMap('bind,cloak,else-if,else,for,html,if,model,on,once,pre,show,slot,text,memo');
const cacheStringFunction = (fn) => {
    const cache = Object.create(null);
    return ((str) => {
        const hit = cache[str];
        return hit || (cache[str] = fn(str));
    });
};
const camelizeRE = /-(\w)/g;
/**
 * @private
 */
const camelize = cacheStringFunction((str) => {
    return str.replace(camelizeRE, (_, c) => (c ? c.toUpperCase() : ''));
});
const hyphenateRE = /\B([A-Z])/g;
/**
 * @private
 */
const hyphenate = cacheStringFunction((str) => str.replace(hyphenateRE, '-$1').toLowerCase());
/**
 * @private
 */
const capitalize = cacheStringFunction((str) => str.charAt(0).toUpperCase() + str.slice(1));
/**
 * @private
 */
const toHandlerKey = cacheStringFunction((str) => str ? `on${capitalize(str)}` : ``);
// compare whether a value has changed, accounting for NaN.
const hasChanged = (value, oldValue) => !Object.is(value, oldValue);
const invokeArrayFns = (fns, arg) => {
    for (let i = 0; i < fns.length; i++) {
        fns[i](arg);
    }
};
const def = (obj, key, value) => {
    Object.defineProperty(obj, key, {
        configurable: true,
        enumerable: false,
        value
    });
};
const toNumber = (val) => {
    const n = parseFloat(val);
    return isNaN(n) ? val : n;
};
let _globalThis;
const getGlobalThis = () => {
    return (_globalThis ||
        (_globalThis =
            typeof globalThis !== 'undefined'
                ? globalThis
                : typeof self !== 'undefined'
                    ? self
                    : typeof window !== 'undefined'
                        ? window
                        : typeof global !== 'undefined'
                            ? global
                            : {}));
};

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

let activeEffectScope;
class EffectScope {
    constructor(detached = false) {
        /**
         * @internal
         */
        this.active = true;
        /**
         * @internal
         */
        this.effects = [];
        /**
         * @internal
         */
        this.cleanups = [];
        if (!detached && activeEffectScope) {
            this.parent = activeEffectScope;
            this.index =
                (activeEffectScope.scopes || (activeEffectScope.scopes = [])).push(this) - 1;
        }
    }
    run(fn) {
        if (this.active) {
            const currentEffectScope = activeEffectScope;
            try {
                activeEffectScope = this;
                return fn();
            }
            finally {
                activeEffectScope = currentEffectScope;
            }
        }
        else {
            warn(`cannot run an inactive effect scope.`);
        }
    }
    /**
     * This should only be called on non-detached scopes
     * @internal
     */
    on() {
        activeEffectScope = this;
    }
    /**
     * This should only be called on non-detached scopes
     * @internal
     */
    off() {
        activeEffectScope = this.parent;
    }
    stop(fromParent) {
        if (this.active) {
            let i, l;
            for (i = 0, l = this.effects.length; i < l; i++) {
                this.effects[i].stop();
            }
            for (i = 0, l = this.cleanups.length; i < l; i++) {
                this.cleanups[i]();
            }
            if (this.scopes) {
                for (i = 0, l = this.scopes.length; i < l; i++) {
                    this.scopes[i].stop(true);
                }
            }
            // nested scope, dereference from parent to avoid memory leaks
            if (this.parent && !fromParent) {
                // optimized O(1) removal
                const last = this.parent.scopes.pop();
                if (last && last !== this) {
                    this.parent.scopes[this.index] = last;
                    last.index = this.index;
                }
            }
            this.active = false;
        }
    }
}
function recordEffectScope(effect, scope = activeEffectScope) {
    if (scope && scope.active) {
        scope.effects.push(effect);
    }
}

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

const targetMap = new WeakMap();
// The number of effects currently being tracked recursively.
let effectTrackDepth = 0;
let trackOpBit = 1;
/**
 * The bitwise track markers support at most 30 levels of recursion.
 * This value is chosen to enable modern JS engines to use a SMI on all platforms.
 * When recursion depth is greater, fall back to using a full cleanup.
 */
const maxMarkerBits = 30;
let activeEffect;
const ITERATE_KEY = Symbol('iterate' );
const MAP_KEY_ITERATE_KEY = Symbol('Map key iterate' );
class ReactiveEffect {
    constructor(fn, scheduler = null, scope) {
        this.fn = fn;
        this.scheduler = scheduler;
        this.active = true;
        this.deps = [];
        this.parent = undefined;
        recordEffectScope(this, scope);
    }
    run() {
        if (!this.active) {
            return this.fn();
        }
        let parent = activeEffect;
        let lastShouldTrack = shouldTrack;
        while (parent) {
            if (parent === this) {
                return;
            }
            parent = parent.parent;
        }
        try {
            this.parent = activeEffect;
            activeEffect = this;
            shouldTrack = true;
            trackOpBit = 1 << ++effectTrackDepth;
            if (effectTrackDepth <= maxMarkerBits) {
                initDepMarkers(this);
            }
            else {
                cleanupEffect(this);
            }
            return this.fn();
        }
        finally {
            if (effectTrackDepth <= maxMarkerBits) {
                finalizeDepMarkers(this);
            }
            trackOpBit = 1 << --effectTrackDepth;
            activeEffect = this.parent;
            shouldTrack = lastShouldTrack;
            this.parent = undefined;
            if (this.deferStop) {
                this.stop();
            }
        }
    }
    stop() {
        // stopped while running itself - defer the cleanup
        if (activeEffect === this) {
            this.deferStop = true;
        }
        else if (this.active) {
            cleanupEffect(this);
            if (this.onStop) {
                this.onStop();
            }
            this.active = false;
        }
    }
}
function cleanupEffect(effect) {
    const { deps } = effect;
    if (deps.length) {
        for (let i = 0; i < deps.length; i++) {
            deps[i].delete(effect);
        }
        deps.length = 0;
    }
}
let shouldTrack = true;
const trackStack = [];
function pauseTracking() {
    trackStack.push(shouldTrack);
    shouldTrack = false;
}
function resetTracking() {
    const last = trackStack.pop();
    shouldTrack = last === undefined ? true : last;
}
function track(target, type, key) {
    if (shouldTrack && activeEffect) {
        let depsMap = targetMap.get(target);
        if (!depsMap) {
            targetMap.set(target, (depsMap = new Map()));
        }
        let dep = depsMap.get(key);
        if (!dep) {
            depsMap.set(key, (dep = createDep()));
        }
        const eventInfo = { effect: activeEffect, target, type, key }
            ;
        trackEffects(dep, eventInfo);
    }
}
function trackEffects(dep, debuggerEventExtraInfo) {
    let shouldTrack = false;
    if (effectTrackDepth <= maxMarkerBits) {
        if (!newTracked(dep)) {
            dep.n |= trackOpBit; // set newly tracked
            shouldTrack = !wasTracked(dep);
        }
    }
    else {
        // Full cleanup mode.
        shouldTrack = !dep.has(activeEffect);
    }
    if (shouldTrack) {
        dep.add(activeEffect);
        activeEffect.deps.push(dep);
        if (activeEffect.onTrack) {
            activeEffect.onTrack({
                effect: activeEffect,
                ...debuggerEventExtraInfo
            });
        }
    }
}
function trigger(target, type, key, newValue, oldValue, oldTarget) {
    const depsMap = targetMap.get(target);
    if (!depsMap) {
        // never been tracked
        return;
    }
    let deps = [];
    if (type === "clear" /* CLEAR */) {
        // collection being cleared
        // trigger all effects for target
        deps = [...depsMap.values()];
    }
    else if (key === 'length' && isArray(target)) {
        depsMap.forEach((dep, key) => {
            if (key === 'length' || key >= newValue) {
                deps.push(dep);
            }
        });
    }
    else {
        // schedule runs for SET | ADD | DELETE
        if (key !== void 0) {
            deps.push(depsMap.get(key));
        }
        // also run for iteration key on ADD | DELETE | Map.SET
        switch (type) {
            case "add" /* ADD */:
                if (!isArray(target)) {
                    deps.push(depsMap.get(ITERATE_KEY));
                    if (isMap(target)) {
                        deps.push(depsMap.get(MAP_KEY_ITERATE_KEY));
                    }
                }
                else if (isIntegerKey(key)) {
                    // new index added to array -> length changes
                    deps.push(depsMap.get('length'));
                }
                break;
            case "delete" /* DELETE */:
                if (!isArray(target)) {
                    deps.push(depsMap.get(ITERATE_KEY));
                    if (isMap(target)) {
                        deps.push(depsMap.get(MAP_KEY_ITERATE_KEY));
                    }
                }
                break;
            case "set" /* SET */:
                if (isMap(target)) {
                    deps.push(depsMap.get(ITERATE_KEY));
                }
                break;
        }
    }
    const eventInfo = { target, type, key, newValue, oldValue, oldTarget }
        ;
    if (deps.length === 1) {
        if (deps[0]) {
            {
                triggerEffects(deps[0], eventInfo);
            }
        }
    }
    else {
        const effects = [];
        for (const dep of deps) {
            if (dep) {
                effects.push(...dep);
            }
        }
        {
            triggerEffects(createDep(effects), eventInfo);
        }
    }
}
function triggerEffects(dep, debuggerEventExtraInfo) {
    // spread into array for stabilization
    const effects = isArray(dep) ? dep : [...dep];
    for (const effect of effects) {
        if (effect.computed) {
            triggerEffect(effect, debuggerEventExtraInfo);
        }
    }
    for (const effect of effects) {
        if (!effect.computed) {
            triggerEffect(effect, debuggerEventExtraInfo);
        }
    }
}
function triggerEffect(effect, debuggerEventExtraInfo) {
    if (effect !== activeEffect || effect.allowRecurse) {
        if (effect.onTrigger) {
            effect.onTrigger(extend({ effect }, debuggerEventExtraInfo));
        }
        if (effect.scheduler) {
            effect.scheduler();
        }
        else {
            effect.run();
        }
    }
}

const isNonTrackableKeys = /*#__PURE__*/ makeMap(`__proto__,__v_isRef,__isVue`);
const builtInSymbols = new Set(
/*#__PURE__*/
Object.getOwnPropertyNames(Symbol)
    // ios10.x Object.getOwnPropertyNames(Symbol) can enumerate 'arguments' and 'caller'
    // but accessing them on Symbol leads to TypeError because Symbol is a strict mode
    // function
    .filter(key => key !== 'arguments' && key !== 'caller')
    .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 = /*#__PURE__*/ createArrayInstrumentations();
function createArrayInstrumentations() {
    const instrumentations = {};
    ['includes', 'indexOf', 'lastIndexOf'].forEach(key => {
        instrumentations[key] = function (...args) {
            const arr = toRaw(this);
            for (let i = 0, l = this.length; i < l; i++) {
                track(arr, "get" /* GET */, i + '');
            }
            // we run the method using the original args first (which may be reactive)
            const res = arr[key](...args);
            if (res === -1 || res === false) {
                // if that didn't work, run it again using raw values.
                return arr[key](...args.map(toRaw));
            }
            else {
                return res;
            }
        };
    });
    ['push', 'pop', 'shift', 'unshift', 'splice'].forEach(key => {
        instrumentations[key] = function (...args) {
            pauseTracking();
            const res = toRaw(this)[key].apply(this, args);
            resetTracking();
            return res;
        };
    });
    return instrumentations;
}
function 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_isShallow" /* IS_SHALLOW */) {
            return shallow;
        }
        else if (key === "__v_raw" /* RAW */ &&
            receiver ===
                (isReadonly
                    ? shallow
                        ? shallowReadonlyMap
                        : readonlyMap
                    : shallow
                        ? shallowReactiveMap
                        : reactiveMap).get(target)) {
            return target;
        }
        const targetIsArray = isArray(target);
        if (!isReadonly && targetIsArray && hasOwn(arrayInstrumentations, key)) {
            return Reflect.get(arrayInstrumentations, key, receiver);
        }
        const res = Reflect.get(target, key, receiver);
        if (isSymbol(key) ? builtInSymbols.has(key) : isNonTrackableKeys(key)) {
            return res;
        }
        if (!isReadonly) {
            track(target, "get" /* GET */, key);
        }
        if (shallow) {
            return res;
        }
        if (isRef(res)) {
            // ref unwrapping - skip unwrap for Array + integer key.
            return targetIsArray && isIntegerKey(key) ? res : res.value;
        }
        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) {
        let oldValue = target[key];
        if (isReadonly(oldValue) && isRef(oldValue) && !isRef(value)) {
            return false;
        }
        if (!shallow && !isReadonly(value)) {
            if (!isShallow(value)) {
                value = toRaw(value);
                oldValue = toRaw(oldValue);
            }
            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) {
        {
            warn(`Set operation on key "${String(key)}" failed: target is readonly.`, target);
        }
        return true;
    },
    deleteProperty(target, key) {
        {
            warn(`Delete operation on key "${String(key)}" failed: target is readonly.`, target);
        }
        return true;
    }
};
const shallowReactiveHandlers = /*#__PURE__*/ 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 = /*#__PURE__*/ extend({}, readonlyHandlers, {
    get: shallowReadonlyGet
});

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 (!isReadonly) {
        if (key !== rawKey) {
            track(rawTarget, "get" /* GET */, key);
        }
        track(rawTarget, "get" /* GET */, rawKey);
    }
    const { has } = getProto(rawTarget);
    const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive;
    if (has.call(rawTarget, key)) {
        return wrap(target.get(key));
    }
    else if (has.call(rawTarget, rawKey)) {
        return wrap(target.get(rawKey));
    }
    else if (target !== rawTarget) {
        // #3602 readonly(reactive(Map))
        // ensure that the nested reactive `Map` can do tracking for itself
        target.get(key);
    }
}
function has$1(key, isReadonly = false) {
    const target = this["__v_raw" /* RAW */];
    const rawTarget = toRaw(target);
    const rawKey = toRaw(key);
    if (!isReadonly) {
        if (key !== rawKey) {
            track(rawTarget, "has" /* HAS */, key);
        }
        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);
    if (!hadKey) {
        target.add(value);
        trigger(target, "add" /* ADD */, value, value);
    }
    return this;
}
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 {
        checkIdentityKeys(target, has, key);
    }
    const oldValue = get.call(target, key);
    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 this;
}
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 {
        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 = isMap(target)
            ? new Map(target)
            : new Set(target)
        ;
    // 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 = isShallow ? toShallow : isReadonly ? toReadonly : 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 = isShallow ? toShallow : isReadonly ? toReadonly : 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) {
        {
            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;
    };
}
function createInstrumentations() {
    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 shallowReadonlyInstrumentations = {
        get(key) {
            return get$1(this, key, true, 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, true)
    };
    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);
        shallowReadonlyInstrumentations[method] = createIterableMethod(method, true, true);
    });
    return [
        mutableInstrumentations,
        readonlyInstrumentations,
        shallowInstrumentations,
        shallowReadonlyInstrumentations
    ];
}
const [mutableInstrumentations, readonlyInstrumentations, shallowInstrumentations, shallowReadonlyInstrumentations] = /* #__PURE__*/ createInstrumentations();
function createInstrumentationGetter(isReadonly, shallow) {
    const instrumentations = shallow
        ? isReadonly
            ? shallowReadonlyInstrumentations
            : shallowInstrumentations
        : isReadonly
            ? readonlyInstrumentations
            : mutableInstrumentations;
    return (target, key, receiver) => {
        if (key === "__v_isReactive" /* 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: /*#__PURE__*/ createInstrumentationGetter(false, false)
};
const shallowCollectionHandlers = {
    get: /*#__PURE__*/ createInstrumentationGetter(false, true)
};
const readonlyCollectionHandlers = {
    get: /*#__PURE__*/ createInstrumentationGetter(true, false)
};
const shallowReadonlyCollectionHandlers = {
    get: /*#__PURE__*/ createInstrumentationGetter(true, true)
};
function checkIdentityKeys(target, 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 shallowReactiveMap = new WeakMap();
const readonlyMap = new WeakMap();
const shallowReadonlyMap = 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 (isReadonly(target)) {
        return target;
    }
    return createReactiveObject(target, false, mutableHandlers, mutableCollectionHandlers, reactiveMap);
}
/**
 * Return a shallowly-reactive copy of the original object, where only the root
 * level properties are reactive. It also does not auto-unwrap refs (even at the
 * root level).
 */
function shallowReactive(target) {
    return createReactiveObject(target, false, shallowReactiveHandlers, shallowCollectionHandlers, shallowReactiveMap);
}
/**
 * Creates a readonly copy of the original object. Note the returned copy is not
 * made reactive, but `readonly` can be called on an already reactive object.
 */
function readonly(target) {
    return createReactiveObject(target, true, readonlyHandlers, readonlyCollectionHandlers, readonlyMap);
}
/**
 * Returns 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, shallowReadonlyCollectionHandlers, shallowReadonlyMap);
}
function createReactiveObject(target, isReadonly, baseHandlers, collectionHandlers, proxyMap) {
    if (!isObject(target)) {
        {
            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 existingProxy = proxyMap.get(target);
    if (existingProxy) {
        return existingProxy;
    }
    // only specific 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 isShallow(value) {
    return !!(value && value["__v_isShallow" /* IS_SHALLOW */]);
}
function isProxy(value) {
    return isReactive(value) || isReadonly(value);
}
function toRaw(observed) {
    const raw = observed && observed["__v_raw" /* RAW */];
    return raw ? toRaw(raw) : observed;
}
function markRaw(value) {
    def(value, "__v_skip" /* SKIP */, true);
    return value;
}
const toReactive = (value) => isObject(value) ? reactive(value) : value;
const toReadonly = (value) => isObject(value) ? readonly(value) : value;

function trackRefValue(ref) {
    if (shouldTrack && activeEffect) {
        ref = toRaw(ref);
        {
            trackEffects(ref.dep || (ref.dep = createDep()), {
                target: ref,
                type: "get" /* GET */,
                key: 'value'
            });
        }
    }
}
function triggerRefValue(ref, newVal) {
    ref = toRaw(ref);
    if (ref.dep) {
        {
            triggerEffects(ref.dep, {
                target: ref,
                type: "set" /* SET */,
                key: 'value',
                newValue: newVal
            });
        }
    }
}
function isRef(r) {
    return !!(r && r.__v_isRef === true);
}
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 ComputedRefImpl {
    constructor(getter, _setter, isReadonly, isSSR) {
        this._setter = _setter;
        this.dep = undefined;
        this.__v_isRef = true;
        this._dirty = true;
        this.effect = new ReactiveEffect(getter, () => {
            if (!this._dirty) {
                this._dirty = true;
                triggerRefValue(this);
            }
        });
        this.effect.computed = this;
        this.effect.active = this._cacheable = !isSSR;
        this["__v_isReadonly" /* IS_READONLY */] = isReadonly;
    }
    get value() {
        // the computed ref may get wrapped by other proxies e.g. readonly() #3376
        const self = toRaw(this);
        trackRefValue(self);
        if (self._dirty || !self._cacheable) {
            self._dirty = false;
            self._value = self.effect.run();
        }
        return self._value;
    }
    set value(newValue) {
        this._setter(newValue);
    }
}
function computed(getterOrOptions, debugOptions, isSSR = false) {
    let getter;
    let setter;
    const onlyGetter = isFunction(getterOrOptions);
    if (onlyGetter) {
        getter = getterOrOptions;
        setter = () => {
                console.warn('Write operation failed: computed value is readonly');
            }
            ;
    }
    else {
        getter = getterOrOptions.get;
        setter = getterOrOptions.set;
    }
    const cRef = new ComputedRefImpl(getter, setter, onlyGetter || !setter, isSSR);
    if (debugOptions && !isSSR) {
        cRef.effect.onTrack = debugOptions.onTrack;
        cRef.effect.onTrigger = debugOptions.onTrigger;
    }
    return cRef;
}

const stack = [];
function pushWarningContext(vnode) {
    stack.push(vnode);
}
function popWarningContext() {
    stack.pop();
}
function warn$1(msg, ...args) {
    // avoid props formatting or warn handler tracking deps that might be mutated
    // during patch, leading to infinite recursion.
    pauseTracking();
    const instance = stack.length ? stack[stack.length - 1].component : null;
    const appWarnHandler = instance && instance.appContext.config.warnHandler;
    const trace = getComponentTrace();
    if (appWarnHandler) {
        callWithErrorHandling(appWarnHandler, instance, 11 /* APP_WARN_HANDLER */, [
            msg + args.join(''),
            instance && instance.proxy,
            trace
                .map(({ vnode }) => `at <${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 = {
    ["sp" /* SERVER_PREFETCH */]: 'serverPrefetch hook',
    ["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/core'
};
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 = ErrorTypeStrings[type] ;
        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);
}
function logError(err, type, contextVNode, throwInDev = true) {
    {
        const info = ErrorTypeStrings[type];
        if (contextVNode) {
            pushWarningContext(contextVNode);
        }
        warn$1(`Unhandled error${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);
        }
    }
}

let isFlushing = false;
let isFlushPending = false;
const queue = [];
let flushIndex = 0;
const pendingPreFlushCbs = [];
let activePreFlushCbs = null;
let preFlushIndex = 0;
const pendingPostFlushCbs = [];
let activePostFlushCbs = null;
let postFlushIndex = 0;
const resolvedPromise = /*#__PURE__*/ 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;
}
// #2768
// Use binary-search to find a suitable position in the queue,
// so that the queue maintains the increasing order of job's id,
// which can prevent the job from being skipped and also can avoid repeated patching.
function findInsertionIndex(id) {
    // the start index should be `flushIndex + 1`
    let start = flushIndex + 1;
    let end = queue.length;
    while (start < end) {
        const middle = (start + end) >>> 1;
        const middleJobId = getId(queue[middle]);
        middleJobId < id ? (start = middle + 1) : (end = middle);
    }
    return start;
}
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) {
        if (job.id == null) {
            queue.push(job);
        }
        else {
            queue.splice(findInsertionIndex(job.id), 0, job);
        }
        queueFlush();
    }
}
function queueFlush() {
    if (!isFlushing && !isFlushPending) {
        isFlushPending = true;
        currentFlushPromise = resolvedPromise.then(flushJobs);
    }
}
function invalidateJob(job) {
    const i = queue.indexOf(job);
    if (i > flushIndex) {
        queue.splice(i, 1);
    }
}
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;
        {
            seen = seen || new Map();
        }
        for (preFlushIndex = 0; preFlushIndex < activePreFlushCbs.length; preFlushIndex++) {
            if (checkRecursiveUpdates(seen, activePreFlushCbs[preFlushIndex])) {
                continue;
            }
            activePreFlushCbs[preFlushIndex]();
        }
        activePreFlushCbs = null;
        preFlushIndex = 0;
        currentPreFlushParentJob = null;
        // recursively flush until it drains
        flushPreFlushCbs(seen, parentJob);
    }
}
function flushPostFlushCbs(seen) {
    // flush any pre cbs queued during the flush (e.g. pre watchers)
    flushPreFlushCbs();
    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;
        {
            seen = seen || new Map();
        }
        activePostFlushCbs.sort((a, b) => getId(a) - getId(b));
        for (postFlushIndex = 0; postFlushIndex < activePostFlushCbs.length; postFlushIndex++) {
            if (checkRecursiveUpdates(seen, activePostFlushCbs[postFlushIndex])) {
                continue;
            }
            activePostFlushCbs[postFlushIndex]();
        }
        activePostFlushCbs = null;
        postFlushIndex = 0;
    }
}
const getId = (job) => job.id == null ? Infinity : job.id;
function flushJobs(seen) {
    isFlushPending = false;
    isFlushing = true;
    {
        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.
    queue.sort((a, b) => getId(a) - getId(b));
    // conditional usage of checkRecursiveUpdate must be determined out of
    // try ... catch block since Rollup by default de-optimizes treeshaking
    // inside try-catch. This can leave all warning code unshaked. Although
    // they would get eventually shaken by a minifier like terser, some minifiers
    // would fail to do that (e.g. https://github.com/evanw/esbuild/issues/1610)
    const check = (job) => checkRecursiveUpdates(seen, job)
        ;
    try {
        for (flushIndex = 0; flushIndex < queue.length; flushIndex++) {
            const job = queue[flushIndex];
            if (job && job.active !== false) {
                if (true && check(job)) {
                    continue;
                }
                // console.log(`running:`, job.id)
                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 ||
            pendingPreFlushCbs.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) {
            const instance = fn.ownerInstance;
            const componentName = instance && getComponentName(instance.type);
            warn$1(`Maximum recursive updates exceeded${componentName ? ` in component <${componentName}>` : ``}. ` +
                `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.`);
            return true;
        }
        else {
            seen.set(fn, count + 1);
        }
    }
}

/* eslint-disable no-restricted-globals */
let isHmrUpdating = false;
const hmrDirtyComponents = new Set();
// Expose the HMR runtime on the global object
// This makes it entirely tree-shakable without polluting the exports and makes
// it easier to be used in toolings like vue-loader
// Note: for a component to be eligible for HMR it also needs the __hmrId option
// to be set so that its instances can be registered / removed.
{
    getGlobalThis().__VUE_HMR_RUNTIME__ = {
        createRecord: tryWrap(createRecord),
        rerender: tryWrap(rerender),
        reload: tryWrap(reload)
    };
}
const map = new Map();
function registerHMR(instance) {
    const id = instance.type.__hmrId;
    let record = map.get(id);
    if (!record) {
        createRecord(id, instance.type);
        record = map.get(id);
    }
    record.instances.add(instance);
}
function unregisterHMR(instance) {
    map.get(instance.type.__hmrId).instances.delete(instance);
}
function createRecord(id, initialDef) {
    if (map.has(id)) {
        return false;
    }
    map.set(id, {
        initialDef: normalizeClassComponent(initialDef),
        instances: new Set()
    });
    return true;
}
function normalizeClassComponent(component) {
    return isClassComponent(component) ? component.__vccOpts : component;
}
function rerender(id, newRender) {
    const record = map.get(id);
    if (!record) {
        return;
    }
    // update initial record (for not-yet-rendered component)
    record.initialDef.render = newRender;
    [...record.instances].forEach(instance => {
        if (newRender) {
            instance.render = newRender;
            normalizeClassComponent(instance.type).render = newRender;
        }
        instance.renderCache = [];
        // this flag forces child components with slot content to update
        isHmrUpdating = true;
        instance.update();
        isHmrUpdating = false;
    });
}
function reload(id, newComp) {
    const record = map.get(id);
    if (!record)
        return;
    newComp = normalizeClassComponent(newComp);
    // update initial def (for not-yet-rendered components)
    updateComponentDef(record.initialDef, newComp);
    // create a snapshot which avoids the set being mutated during updates
    const instances = [...record.instances];
    for (const instance of instances) {
        const oldComp = normalizeClassComponent(instance.type);
        if (!hmrDirtyComponents.has(oldComp)) {
            // 1. Update existing comp definition to match new one
            if (oldComp !== record.initialDef) {
                updateComponentDef(oldComp, newComp);
            }
            // 2. mark definition dirty. This forces the renderer to replace the
            // component on patch.
            hmrDirtyComponents.add(oldComp);
        }
        // 3. invalidate options resolution cache
        instance.appContext.optionsCache.delete(instance.type);
        // 4. actually update
        if (instance.ceReload) {
            // custom element
            hmrDirtyComponents.add(oldComp);
            instance.ceReload(newComp.styles);
            hmrDirtyComponents.delete(oldComp);
        }
        else if (instance.parent) {
            // 4. Force the parent instance to re-render. This will cause all updated
            // components to be unmounted and re-mounted. Queue the update so that we
            // don't end up forcing the same parent to re-render multiple times.
            queueJob(instance.parent.update);
            // instance is the inner component of an async custom element
            // invoke to reset styles
            if (instance.parent.type.__asyncLoader &&
                instance.parent.ceReload) {
                instance.parent.ceReload(newComp.styles);
            }
        }
        else if (instance.appContext.reload) {
            // root instance mounted via createApp() has a reload method
            instance.appContext.reload();
        }
        else if (typeof window !== 'undefined') {
            // root instance inside tree created via raw render(). Force reload.
            window.location.reload();
        }
        else {
            console.warn('[HMR] Root or manually mounted instance modified. Full reload required.');
        }
    }
    // 5. make sure to cleanup dirty hmr components after update
    queuePostFlushCb(() => {
        for (const instance of instances) {
            hmrDirtyComponents.delete(normalizeClassComponent(instance.type));
        }
    });
}
function updateComponentDef(oldComp, newComp) {
    extend(oldComp, newComp);
    for (const key in oldComp) {
        if (key !== '__file' && !(key in newComp)) {
            delete oldComp[key];
        }
    }
}
function tryWrap(fn) {
    return (id, arg) => {
        try {
            return fn(id, arg);
        }
        catch (e) {
            console.error(e);
            console.warn(`[HMR] Something went wrong during Vue component hot-reload. ` +
                `Full reload required.`);
        }
    };
}

let devtools;
let buffer = [];
let devtoolsNotInstalled = false;
function emit(event, ...args) {
    if (devtools) {
        devtools.emit(event, ...args);
    }
    else if (!devtoolsNotInstalled) {
        buffer.push({ event, args });
    }
}
function setDevtoolsHook(hook, target) {
    var _a, _b;
    devtools = hook;
    if (devtools) {
        devtools.enabled = true;
        buffer.forEach(({ event, args }) => devtools.emit(event, ...args));
        buffer = [];
    }
    else if (
    // handle late devtools injection - only do this if we are in an actual
    // browser environment to avoid the timer handle stalling test runner exit
    // (#4815)
    typeof window !== 'undefined' &&
        // some envs mock window but not fully
        window.HTMLElement &&
        // also exclude jsdom
        !((_b = (_a = window.navigator) === null || _a === void 0 ? void 0 : _a.userAgent) === null || _b === void 0 ? void 0 : _b.includes('jsdom'))) {
        const replay = (target.__VUE_DEVTOOLS_HOOK_REPLAY__ =
            target.__VUE_DEVTOOLS_HOOK_REPLAY__ || []);
        replay.push((newHook) => {
            setDevtoolsHook(newHook, target);
        });
        // clear buffer after 3s - the user probably doesn't have devtools installed
        // at all, and keeping the buffer will cause memory leaks (#4738)
        setTimeout(() => {
            if (!devtools) {
                target.__VUE_DEVTOOLS_HOOK_REPLAY__ = null;
                devtoolsNotInstalled = true;
                buffer = [];
            }
        }, 3000);
    }
    else {
        // non-browser env, assume not installed
        devtoolsNotInstalled = true;
        buffer = [];
    }
}
function devtoolsInitApp(app, version) {
    emit("app:init" /* APP_INIT */, app, version, {
        Fragment,
        Text,
        Comment,
        Static
    });
}
function devtoolsUnmountApp(app) {
    emit("app:unmount" /* APP_UNMOUNT */, app);
}
const devtoolsComponentAdded = /*#__PURE__*/ createDevtoolsComponentHook("component:added" /* COMPONENT_ADDED */);
const devtoolsComponentUpdated = 
/*#__PURE__*/ createDevtoolsComponentHook("component:updated" /* COMPONENT_UPDATED */);
const devtoolsComponentRemoved = 
/*#__PURE__*/ createDevtoolsComponentHook("component:removed" /* COMPONENT_REMOVED */);
function createDevtoolsComponentHook(hook) {
    return (component) => {
        emit(hook, component.appContext.app, component.uid, component.parent ? component.parent.uid : undefined, component);
    };
}
const devtoolsPerfStart = /*#__PURE__*/ createDevtoolsPerformanceHook("perf:start" /* PERFORMANCE_START */);
const devtoolsPerfEnd = /*#__PURE__*/ createDevtoolsPerformanceHook("perf:end" /* PERFORMANCE_END */);
function createDevtoolsPerformanceHook(hook) {
    return (component, type, time) => {
        emit(hook, component.appContext.app, component.uid, component, type, time);
    };
}
function devtoolsComponentEmit(component, event, params) {
    emit("component:emit" /* COMPONENT_EMIT */, component.appContext.app, component, event, params);
}

function emit$1(instance, event, ...rawArgs) {
    if (instance.isUnmounted)
        return;
    const props = instance.vnode.props || EMPTY_OBJ;
    {
        const { emitsOptions, propsOptions: [propsOptions] } = instance;
        if (emitsOptions) {
            if (!(event in emitsOptions) &&
                !(false )) {
                if (!propsOptions || !(toHandlerKey(event) in propsOptions)) {
                    warn$1(`Component emitted event "${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$1(`Invalid event arguments: event validation failed for event "${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());
        }
        if (number) {
            args = rawArgs.map(toNumber);
        }
    }
    {
        devtoolsComponentEmit(instance, event, args);
    }
    {
        const lowerCaseEvent = event.toLowerCase();
        if (lowerCaseEvent !== event && props[toHandlerKey(lowerCaseEvent)]) {
            warn$1(`Event "${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}".`);
        }
    }
    let handlerName;
    let handler = props[(handlerName = toHandlerKey(event))] ||
        // also try camelCase event handler (#2249)
        props[(handlerName = toHandlerKey(camelize(event)))];
    // for v-model update:xxx events, also trigger kebab-case equivalent
    // for props passed via kebab-case
    if (!handler && isModelListener) {
        handler = props[(handlerName = toHandlerKey(hyphenate(event)))];
    }
    if (handler) {
        callWithAsyncErrorHandling(handler, instance, 6 /* COMPONENT_EVENT_HANDLER */, args);
    }
    const onceHandler = props[handlerName + `Once`];
    if (onceHandler) {
        if (!instance.emitted) {
            instance.emitted = {};
        }
        else if (instance.emitted[handlerName]) {
            return;
        }
        instance.emitted[handlerName] = true;
        callWithAsyncErrorHandling(onceHandler, instance, 6 /* COMPONENT_EVENT_HANDLER */, args);
    }
}
function normalizeEmitsOptions(comp, appContext, asMixin = false) {
    const cache = appContext.emitsCache;
    const cached = cache.get(comp);
    if (cached !== undefined) {
        return cached;
    }
    const raw = comp.emits;
    let normalized = {};
    // apply mixin/extends props
    let hasExtends = false;
    if (!isFunction(comp)) {
        const extendEmits = (raw) => {
            const normalizedFromExtend = normalizeEmitsOptions(raw, appContext, true);
            if (normalizedFromExtend) {
                hasExtends = true;
                extend(normalized, normalizedFromExtend);
            }
        };
        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) {
        cache.set(comp, null);
        return null;
    }
    if (isArray(raw)) {
        raw.forEach(key => (normalized[key] = null));
    }
    else {
        extend(normalized, raw);
    }
    cache.set(comp, normalized);
    return 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.slice(2).replace(/Once$/, '');
    return (hasOwn(options, key[0].toLowerCase() + key.slice(1)) ||
        hasOwn(options, hyphenate(key)) ||
        hasOwn(options, key));
}

/**
 * mark the current rendering instance for asset resolution (e.g.
 * resolveComponent, resolveDirective) during render
 */
let currentRenderingInstance = null;
let currentScopeId = null;
/**
 * Note: rendering calls maybe nested. The function returns the parent rendering
 * instance if present, which should be restored after the render is done:
 *
 * ```js
 * const prev = setCurrentRenderingInstance(i)
 * // ...render
 * setCurrentRenderingInstance(prev)
 * ```
 */
function setCurrentRenderingInstance(instance) {
    const prev = currentRenderingInstance;
    currentRenderingInstance = instance;
    currentScopeId = (instance && instance.type.__scopeId) || null;
    return prev;
}
/**
 * Wrap a slot function to memoize current rendering instance
 * @private compiler helper
 */
function withCtx(fn, ctx = currentRenderingInstance, isNonScopedSlot // false only
) {
    if (!ctx)
        return fn;
    // already normalized
    if (fn._n) {
        return fn;
    }
    const renderFnWithContext = (...args) => {
        // If a user calls a compiled slot inside a template expression (#1745), it
        // can mess up block tracking, so by default we disable block tracking and
        // force bail out when invoking a compiled slot (indicated by the ._d flag).
        // This isn't necessary if rendering a compiled `<slot>`, so we flip the
        // ._d flag off when invoking the wrapped fn inside `renderSlot`.
        if (renderFnWithContext._d) {
            setBlockTracking(-1);
        }
        const prevInstance = setCurrentRenderingInstance(ctx);
        const res = fn(...args);
        setCurrentRenderingInstance(prevInstance);
        if (renderFnWithContext._d) {
            setBlockTracking(1);
        }
        {
            devtoolsComponentUpdated(ctx);
        }
        return res;
    };
    // mark normalized to avoid duplicated wrapping
    renderFnWithContext._n = true;
    // mark this as compiled by default
    // this is used in vnode.ts -> normalizeChildren() to set the slot
    // rendering flag.
    renderFnWithContext._c = true;
    // disable block tracking by default
    renderFnWithContext._d = true;
    return renderFnWithContext;
}

/**
 * dev only flag to track whether $attrs was used during render.
 * If $attrs was used during render then the warning for failed attrs
 * fallthrough can be suppressed.
 */
let accessedAttrs = false;
function markAttrsAccessed() {
    accessedAttrs = true;
}
function renderComponentRoot(instance) {
    const { type: Component, vnode, proxy, withProxy, props, propsOptions: [propsOptions], slots, attrs, emit, render, renderCache, data, setupState, ctx, inheritAttrs } = instance;
    let result;
    let fallthroughAttrs;
    const prev = setCurrentRenderingInstance(instance);
    {
        accessedAttrs = false;
    }
    try {
        if (vnode.shapeFlag & 4 /* STATEFUL_COMPONENT */) {
            // withProxy is a proxy with a different `has` trap only for
            // runtime-compiled render functions using `with` block.
            const proxyToUse = withProxy || proxy;
            result = normalizeVNode(render.call(proxyToUse, proxyToUse, renderCache, props, setupState, data, ctx));
            fallthroughAttrs = attrs;
        }
        else {
            // functional
            const render = Component;
            // in dev, mark attrs accessed if optional props (attrs === props)
            if (true && attrs === props) {
                markAttrsAccessed();
            }
            result = normalizeVNode(render.length > 1
                ? render(props, true
                    ? {
                        get attrs() {
                            markAttrsAccessed();
                            return attrs;
                        },
                        slots,
                        emit
                    }
                    : { attrs, slots, emit })
                : render(props, null /* we know it doesn't need it */));
            fallthroughAttrs = Component.props
                ? attrs
                : getFunctionalFallthrough(attrs);
        }
    }
    catch (err) {
        blockStack.length = 0;
        handleError(err, instance, 1 /* RENDER_FUNCTION */);
        result = createVNode(Comment);
    }
    // attr merging
    // in dev mode, comments are preserved, and it's possible for a template
    // to have comments along side the root element which makes it a fragment
    let root = result;
    let setRoot = undefined;
    if (result.patchFlag > 0 &&
        result.patchFlag & 2048 /* DEV_ROOT_FRAGMENT */) {
        [root, setRoot] = getChildRoot(result);
    }
    if (fallthroughAttrs && inheritAttrs !== false) {
        const keys = Object.keys(fallthroughAttrs);
        const { shapeFlag } = root;
        if (keys.length) {
            if (shapeFlag & (1 /* ELEMENT */ | 6 /* COMPONENT */)) {
                if (propsOptions && keys.some(isModelListener)) {
                    // If a v-model listener (onUpdate:xxx) has a corresponding declared
                    // prop, it indicates this component expects to handle v-model and
                    // it should not fallthrough.
                    // related: #1543, #1643, #1989
                    fallthroughAttrs = filterModelListeners(fallthroughAttrs, propsOptions);
                }
                root = cloneVNode(root, fallthroughAttrs);
            }
            else if (!accessedAttrs && root.type !== Comment) {
                const allAttrs = Object.keys(attrs);
                const eventAttrs = [];
                const extraAttrs = [];
                for (let i = 0, l = allAttrs.length; i < l; i++) {
                    const key = allAttrs[i];
                    if (isOn(key)) {
                        // ignore v-model handlers when they fail to fallthrough
                        if (!isModelListener(key)) {
                            // remove `on`, lowercase first letter to reflect event casing
                            // accurately
                            eventAttrs.push(key[2].toLowerCase() + key.slice(3));
                        }
                    }
                    else {
                        extraAttrs.push(key);
                    }
                }
                if (extraAttrs.length) {
                    warn$1(`Extraneous non-props attributes (` +
                        `${extraAttrs.join(', ')}) ` +
                        `were passed to component but could not be automatically inherited ` +
                        `because component renders fragment or text root nodes.`);
                }
                if (eventAttrs.length) {
                    warn$1(`Extraneous non-emits event listeners (` +
                        `${eventAttrs.join(', ')}) ` +
                        `were passed to component but could not be automatically inherited ` +
                        `because component renders fragment or text root nodes. ` +
                        `If the listener is intended to be a component custom event listener only, ` +
                        `declare it using the "emits" option.`);
                }
            }
        }
    }
    // inherit directives
    if (vnode.dirs) {
        if (!isElementRoot(root)) {
            warn$1(`Runtime directive used on component with non-element root node. ` +
                `The directives will not function as intended.`);
        }
        // clone before mutating since the root may be a hoisted vnode
        root = cloneVNode(root);
        root.dirs = root.dirs ? root.dirs.concat(vnode.dirs) : vnode.dirs;
    }
    // inherit transition data
    if (vnode.transition) {
        if (!isElementRoot(root)) {
            warn$1(`Component inside <Transition> renders non-element root node ` +
                `that cannot be animated.`);
        }
        root.transition = vnode.transition;
    }
    if (setRoot) {
        setRoot(root);
    }
    else {
        result = root;
    }
    setCurrentRenderingInstance(prev);
    return result;
}
/**
 * dev only
 * In dev mode, template root level comments are rendered, which turns the
 * template into a fragment root, but we need to locate the single element
 * root for attrs and scope id processing.
 */
const getChildRoot = (vnode) => {
    const rawChildren = vnode.children;
    const dynamicChildren = vnode.dynamicChildren;
    const childRoot = filterSingleRoot(rawChildren);
    if (!childRoot) {
        return [vnode, undefined];
    }
    const index = rawChildren.indexOf(childRoot);
    const dynamicIndex = dynamicChildren ? dynamicChildren.indexOf(childRoot) : -1;
    const setRoot = (updatedRoot) => {
        rawChildren[index] = updatedRoot;
        if (dynamicChildren) {
            if (dynamicIndex > -1) {
                dynamicChildren[dynamicIndex] = updatedRoot;
            }
            else if (updatedRoot.patchFlag > 0) {
                vnode.dynamicChildren = [...dynamicChildren, updatedRoot];
            }
        }
    };
    return [normalizeVNode(childRoot), setRoot];
};
function filterSingleRoot(children) {
    let singleRoot;
    for (let i = 0; i < children.length; i++) {
        const child = children[i];
        if (isVNode(child)) {
            // ignore user comment
            if (child.type !== Comment || child.children === 'v-if') {
                if (singleRoot) {
                    // has more than 1 non-comment child, return now
                    return;
                }
                else {
                    singleRoot = child;
                }
            }
        }
        else {
            return;
        }
    }
    return singleRoot;
}
const getFunctionalFallthrough = (attrs) => {
    let res;
    for (const key in attrs) {
        if (key === 'class' || key === 'style' || isOn(key)) {
            (res || (res = {}))[key] = attrs[key];
        }
    }
    return res;
};
const filterModelListeners = (attrs, props) => {
    const res = {};
    for (const key in attrs) {
        if (!isModelListener(key) || !(key.slice(9) in props)) {
            res[key] = attrs[key];
        }
    }
    return res;
};
const isElementRoot = (vnode) => {
    return (vnode.shapeFlag & (6 /* COMPONENT */ | 1 /* ELEMENT */) ||
        vnode.type === Comment // potential v-if branch switch
    );
};
function shouldUpdateComponent(prevVNode, nextVNode, optimized) {
    const { props: prevProps, children: prevChildren, component } = prevVNode;
    const { props: nextProps, children: nextChildren, patchFlag } = nextVNode;
    const emits = component.emitsOptions;
    // Parent component's render function was hot-updated. Since this may have
    // caused the child component's slots content to have changed, we need to
    // force the child to update as well.
    if ((prevChildren || nextChildren) && isHmrUpdating) {
        return true;
    }
    // force child update for runtime directive or transition on component vnode.
    if (nextVNode.dirs || nextVNode.transition) {
        return true;
    }
    if (optimized && patchFlag >= 0) {
        if (patchFlag & 1024 /* DYNAMIC_SLOTS */) {
            // slot content that references values that might have changed,
            // e.g. in a v-for
            return true;
        }
        if (patchFlag & 16 /* FULL_PROPS */) {
            if (!prevProps) {
                return !!nextProps;
            }
            // presence of this flag indicates props are always non-null
            return hasPropsChanged(prevProps, nextProps, emits);
        }
        else if (patchFlag & 8 /* PROPS */) {
            const dynamicProps = nextVNode.dynamicProps;
            for (let i = 0; i < dynamicProps.length; i++) {
                const key = dynamicProps[i];
                if (nextProps[key] !== prevProps[key] &&
                    !isEmitListener(emits, key)) {
                    return true;
                }
            }
        }
    }
    else {
        // this path is only taken by manually written render functions
        // so presence of any children leads to a forced update
        if (prevChildren || nextChildren) {
            if (!nextChildren || !nextChildren.$stable) {
                return true;
            }
        }
        if (prevProps === nextProps) {
            return false;
        }
        if (!prevProps) {
            return !!nextProps;
        }
        if (!nextProps) {
            return true;
        }
        return hasPropsChanged(prevProps, nextProps, emits);
    }
    return false;
}
function hasPropsChanged(prevProps, nextProps, emitsOptions) {
    const nextKeys = Object.keys(nextProps);
    if (nextKeys.length !== Object.keys(prevProps).length) {
        return true;
    }
    for (let i = 0; i < nextKeys.length; i++) {
        const key = nextKeys[i];
        if (nextProps[key] !== prevProps[key] &&
            !isEmitListener(emitsOptions, key)) {
            return true;
        }
    }
    return false;
}
function updateHOCHostEl({ vnode, parent }, el // HostNode
) {
    while (parent && parent.subTree === vnode) {
        (vnode = parent.vnode).el = el;
        parent = parent.parent;
    }
}

const isSuspense = (type) => type.__isSuspense;
function queueEffectWithSuspense(fn, suspense) {
    if (suspense && suspense.pendingBranch) {
        if (isArray(fn)) {
            suspense.effects.push(...fn);
        }
        else {
            suspense.effects.push(fn);
        }
    }
    else {
        queuePostFlushCb(fn);
    }
}

function provide(key, value) {
    if (!currentInstance) {
        {
            warn$1(`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 instance 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.call(instance.proxy)
                : defaultValue;
        }
        else {
            warn$1(`injection "${String(key)}" not found.`);
        }
    }
    else {
        warn$1(`inject() can only be used inside setup() or functional components.`);
    }
}

// initial value for watchers to trigger on undefined initial values
const INITIAL_WATCHER_VALUE = {};
// implementation
function watch(source, cb, options) {
    if (!isFunction(cb)) {
        warn$1(`\`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) {
    if (!cb) {
        if (immediate !== undefined) {
            warn$1(`watch() "immediate" option is only respected when using the ` +
                `watch(source, callback, options?) signature.`);
        }
        if (deep !== undefined) {
            warn$1(`watch() "deep" option is only respected when using the ` +
                `watch(source, callback, options?) signature.`);
        }
    }
    const warnInvalidSource = (s) => {
        warn$1(`Invalid watch source: `, s, `A watch source can only be a getter/effect function, a ref, ` +
            `a reactive object, or an array of these types.`);
    };
    const instance = currentInstance;
    let getter;
    let forceTrigger = false;
    let isMultiSource = false;
    if (isRef(source)) {
        getter = () => source.value;
        forceTrigger = isShallow(source);
    }
    else if (isReactive(source)) {
        getter = () => source;
        deep = true;
    }
    else if (isArray(source)) {
        isMultiSource = true;
        forceTrigger = source.some(s => isReactive(s) || isShallow(s));
        getter = () => source.map(s => {
            if (isRef(s)) {
                return s.value;
            }
            else if (isReactive(s)) {
                return traverse(s);
            }
            else if (isFunction(s)) {
                return callWithErrorHandling(s, instance, 2 /* WATCH_GETTER */);
            }
            else {
                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 callWithAsyncErrorHandling(source, instance, 3 /* WATCH_CALLBACK */, [onCleanup]);
            };
        }
    }
    else {
        getter = NOOP;
        warnInvalidSource(source);
    }
    if (cb && deep) {
        const baseGetter = getter;
        getter = () => traverse(baseGetter());
    }
    let cleanup;
    let onCleanup = (fn) => {
        cleanup = effect.onStop = () => {
            callWithErrorHandling(fn, instance, 4 /* WATCH_CLEANUP */);
        };
    };
    // in SSR there is no need to setup an actual effect, and it should be noop
    // unless it's eager
    if (isInSSRComponentSetup) {
        // we will also not call the invalidate callback (+ runner is not set up)
        onCleanup = NOOP;
        if (!cb) {
            getter();
        }
        else if (immediate) {
            callWithAsyncErrorHandling(cb, instance, 3 /* WATCH_CALLBACK */, [
                getter(),
                isMultiSource ? [] : undefined,
                onCleanup
            ]);
        }
        return NOOP;
    }
    let oldValue = isMultiSource ? [] : INITIAL_WATCHER_VALUE;
    const job = () => {
        if (!effect.active) {
            return;
        }
        if (cb) {
            // watch(source, cb)
            const newValue = effect.run();
            if (deep ||
                forceTrigger ||
                (isMultiSource
                    ? newValue.some((v, i) => hasChanged(v, oldValue[i]))
                    : hasChanged(newValue, oldValue)) ||
                (false  )) {
                // 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,
                    onCleanup
                ]);
                oldValue = newValue;
            }
        }
        else {
            // watchEffect
            effect.run();
        }
    };
    // 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; // the scheduler function gets called directly
    }
    else if (flush === 'post') {
        scheduler = () => queuePostRenderEffect(job, instance && instance.suspense);
    }
    else {
        // default: 'pre'
        scheduler = () => queuePreFlushCb(job);
    }
    const effect = new ReactiveEffect(getter, scheduler);
    {
        effect.onTrack = onTrack;
        effect.onTrigger = onTrigger;
    }
    // initial run
    if (cb) {
        if (immediate) {
            job();
        }
        else {
            oldValue = effect.run();
        }
    }
    else if (flush === 'post') {
        queuePostRenderEffect(effect.run.bind(effect), instance && instance.suspense);
    }
    else {
        effect.run();
    }
    return () => {
        effect.stop();
        if (instance && instance.scope) {
            remove(instance.scope.effects, effect);
        }
    };
}
// this.$watch
function instanceWatch(source, value, options) {
    const publicThis = this.proxy;
    const getter = isString(source)
        ? source.includes('.')
            ? createPathGetter(publicThis, source)
            : () => publicThis[source]
        : source.bind(publicThis, publicThis);
    let cb;
    if (isFunction(value)) {
        cb = value;
    }
    else {
        cb = value.handler;
        options = value;
    }
    const cur = currentInstance;
    setCurrentInstance(this);
    const res = doWatch(getter, cb.bind(publicThis), options);
    if (cur) {
        setCurrentInstance(cur);
    }
    else {
        unsetCurrentInstance();
    }
    return res;
}
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 traverse(value, seen) {
    if (!isObject(value) || value["__v_skip" /* SKIP */]) {
        return value;
    }
    seen = seen || new Set();
    if (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 if (isPlainObject(value)) {
        for (const key in value) {
            traverse(value[key], seen);
        }
    }
    return value;
}

const isAsyncWrapper = (i) => !!i.type.__asyncLoader;

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;
            }
            return 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);
}

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);
                unsetCurrentInstance();
                resetTracking();
                return res;
            });
        if (prepend) {
            hooks.unshift(wrappedHook);
        }
        else {
            hooks.push(wrappedHook);
        }
        return wrappedHook;
    }
    else {
        const apiName = toHandlerKey(ErrorTypeStrings[type].replace(/ hook$/, ''));
        warn$1(`${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().` +
            (` If you are using async setup(), make sure to register lifecycle ` +
                    `hooks before the first await statement.`
                ));
    }
}
const createHook = (lifecycle) => (hook, target = currentInstance) => 
// post-create lifecycle registrations are noops during SSR (except for serverPrefetch)
(!isInSSRComponentSetup || lifecycle === "sp" /* SERVER_PREFETCH */) &&
    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 onServerPrefetch = createHook("sp" /* SERVER_PREFETCH */);
const onRenderTriggered = createHook("rtg" /* RENDER_TRIGGERED */);
const onRenderTracked = createHook("rtc" /* RENDER_TRACKED */);
function onErrorCaptured(hook, target = currentInstance) {
    injectHook("ec" /* ERROR_CAPTURED */, hook, 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]
])
*/
function validateDirectiveName(name) {
    if (isBuiltInDirective(name)) {
        warn$1('Do not use built-in directive ids as custom directive id: ' + name);
    }
}
function invokeDirectiveHook(vnode, prevVNode, instance, name) {
    const bindings = vnode.dirs;
    const oldBindings = prevVNode && prevVNode.dirs;
    for (let i = 0; i < bindings.length; i++) {
        const binding = bindings[i];
        if (oldBindings) {
            binding.oldValue = oldBindings[i].value;
        }
        let hook = binding.dir[name];
        if (hook) {
            // disable tracking inside all lifecycle hooks
            // since they can potentially be called inside effects.
            pauseTracking();
            callWithAsyncErrorHandling(hook, instance, 8 /* DIRECTIVE_HOOK */, [
                vnode.el,
                binding,
                vnode,
                prevVNode
            ]);
            resetTracking();
        }
    }
}

const NULL_DYNAMIC_COMPONENT = Symbol();

/**
 * #2437 In Vue 3, functional components do not have a public instance proxy but
 * they exist in the internal parent chain. For code that relies on traversing
 * public $parent chains, skip functional ones and go to the parent instead.
 */
const getPublicInstance = (i) => {
    if (!i)
        return null;
    if (isStatefulComponent(i))
        return getExposeProxy(i) || i.proxy;
    return getPublicInstance(i.parent);
};
const publicPropertiesMap = 
// Move PURE marker to new line to workaround compiler discarding it
// due to type annotation
/*#__PURE__*/ extend(Object.create(null), {
    $: i => i,
    $el: i => i.vnode.el,
    $data: i => i.data,
    $props: i => (shallowReadonly(i.props) ),
    $attrs: i => (shallowReadonly(i.attrs) ),
    $slots: i => (shallowReadonly(i.slots) ),
    $refs: i => (shallowReadonly(i.refs) ),
    $parent: i => getPublicInstance(i.parent),
    $root: i => getPublicInstance(i.root),
    $emit: i => i.emit,
    $options: i => (resolveMergedOptions(i) ),
    $forceUpdate: i => i.f || (i.f = () => queueJob(i.update)),
    $nextTick: i => i.n || (i.n = nextTick.bind(i.proxy)),
    $watch: i => (instanceWatch.bind(i) )
});
const isReservedPrefix = (key) => key === '_' || key === '$';
const PublicInstanceProxyHandlers = {
    get({ _: instance }, key) {
        const { ctx, setupState, data, props, accessCache, type, appContext } = instance;
        // for internal formatters to know that this is a Vue instance
        if (key === '__isVue') {
            return true;
        }
        // prioritize <script setup> bindings during dev.
        // this allows even properties that start with _ or $ to be used - so that
        // it aligns with the production behavior where the render fn is inlined and
        // indeed has access to all declared variables.
        if (setupState !== EMPTY_OBJ &&
            setupState.__isScriptSetup &&
            hasOwn(setupState, key)) {
            return setupState[key];
        }
        // 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 1 /* SETUP */:
                        return setupState[key];
                    case 2 /* DATA */:
                        return data[key];
                    case 4 /* CONTEXT */:
                        return ctx[key];
                    case 3 /* PROPS */:
                        return props[key];
                    // default: just fallthrough
                }
            }
            else if (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) {
                accessCache[key] = 1 /* SETUP */;
                return setupState[key];
            }
            else if (data !== EMPTY_OBJ && hasOwn(data, key)) {
                accessCache[key] = 2 /* 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] = 3 /* PROPS */;
                return props[key];
            }
            else if (ctx !== EMPTY_OBJ && hasOwn(ctx, key)) {
                accessCache[key] = 4 /* CONTEXT */;
                return ctx[key];
            }
            else if (shouldCacheAccess) {
                accessCache[key] = 0 /* OTHER */;
            }
        }
        const publicGetter = publicPropertiesMap[key];
        let cssModule, globalProperties;
        // public $xxx properties
        if (publicGetter) {
            if (key === '$attrs') {
                track(instance, "get" /* GET */, key);
                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] = 4 /* CONTEXT */;
            return ctx[key];
        }
        else if (
        // global properties
        ((globalProperties = appContext.config.globalProperties),
            hasOwn(globalProperties, key))) {
            {
                return globalProperties[key];
            }
        }
        else if (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 && isReservedPrefix(key[0]) && hasOwn(data, key)) {
                warn$1(`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 if (instance === currentRenderingInstance) {
                warn$1(`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;
            return true;
        }
        else if (data !== EMPTY_OBJ && hasOwn(data, key)) {
            data[key] = value;
            return true;
        }
        else if (hasOwn(instance.props, key)) {
            warn$1(`Attempting to mutate prop "${key}". Props are readonly.`, instance);
            return false;
        }
        if (key[0] === '$' && key.slice(1) in instance) {
            warn$1(`Attempting to mutate public property "${key}". ` +
                    `Properties starting with $ are reserved and readonly.`, instance);
            return false;
        }
        else {
            if (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] ||
            (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));
    },
    defineProperty(target, key, descriptor) {
        if (descriptor.get != null) {
            // invalidate key cache of a getter based property #5417
            target._.accessCache[key] = 0;
        }
        else if (hasOwn(descriptor, 'value')) {
            this.set(target, key, descriptor.value, null);
        }
        return Reflect.defineProperty(target, key, descriptor);
    }
};
{
    PublicInstanceProxyHandlers.ownKeys = (target) => {
        warn$1(`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);
    };
}
// dev only
// 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 createDevRenderContext(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
        });
    });
    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 (!setupState.__isScriptSetup) {
            if (isReservedPrefix(key[0])) {
                warn$1(`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
            });
        }
    });
}

function createDuplicateChecker() {
    const cache = Object.create(null);
    return (type, key) => {
        if (cache[key]) {
            warn$1(`${type} property "${key}" is already defined in ${cache[key]}.`);
        }
        else {
            cache[key] = type;
        }
    };
}
let shouldCacheAccess = true;
function applyOptions(instance) {
    const options = resolveMergedOptions(instance);
    const publicThis = instance.proxy;
    const ctx = instance.ctx;
    // do not cache property access on public proxy during state initialization
    shouldCacheAccess = false;
    // call beforeCreate first before accessing other options since
    // the hook may mutate resolved options (#2791)
    if (options.beforeCreate) {
        callHook(options.beforeCreate, instance, "bc" /* BEFORE_CREATE */);
    }
    const { 
    // state
    data: dataOptions, computed: computedOptions, methods, watch: watchOptions, provide: provideOptions, inject: injectOptions, 
    // lifecycle
    created, beforeMount, mounted, beforeUpdate, updated, activated, deactivated, beforeDestroy, beforeUnmount, destroyed, unmounted, render, renderTracked, renderTriggered, errorCaptured, serverPrefetch, 
    // public API
    expose, inheritAttrs, 
    // assets
    components, directives, filters } = options;
    const checkDuplicateProperties = createDuplicateChecker() ;
    {
        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)
    if (injectOptions) {
        resolveInjections(injectOptions, ctx, checkDuplicateProperties, instance.appContext.config.unwrapInjectedRef);
    }
    if (methods) {
        for (const key in methods) {
            const methodHandler = methods[key];
            if (isFunction(methodHandler)) {
                // In dev mode, we use the `createRenderContext` function to define
                // methods to the proxy target, and those are read-only but
                // reconfigurable, so it needs to be redefined here
                {
                    Object.defineProperty(ctx, key, {
                        value: methodHandler.bind(publicThis),
                        configurable: true,
                        enumerable: true,
                        writable: true
                    });
                }
                {
                    checkDuplicateProperties("Methods" /* METHODS */, key);
                }
            }
            else {
                warn$1(`Method "${key}" has type "${typeof methodHandler}" in the component definition. ` +
                    `Did you reference the function correctly?`);
            }
        }
    }
    if (dataOptions) {
        if (!isFunction(dataOptions)) {
            warn$1(`The data option must be a function. ` +
                `Plain object usage is no longer supported.`);
        }
        const data = dataOptions.call(publicThis, publicThis);
        if (isPromise(data)) {
            warn$1(`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)) {
            warn$1(`data() should return an object.`);
        }
        else {
            instance.data = reactive(data);
            {
                for (const key in data) {
                    checkDuplicateProperties("Data" /* DATA */, key);
                    // expose data on ctx during dev
                    if (!isReservedPrefix(key[0])) {
                        Object.defineProperty(ctx, key, {
                            configurable: true,
                            enumerable: true,
                            get: () => data[key],
                            set: NOOP
                        });
                    }
                }
            }
        }
    }
    // state initialization complete at this point - start caching access
    shouldCacheAccess = true;
    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 (get === NOOP) {
                warn$1(`Computed property "${key}" has no getter.`);
            }
            const set = !isFunction(opt) && isFunction(opt.set)
                ? opt.set.bind(publicThis)
                : () => {
                        warn$1(`Write operation failed: computed property "${key}" is readonly.`);
                    }
                    ;
            const c = computed$1({
                get,
                set
            });
            Object.defineProperty(ctx, key, {
                enumerable: true,
                configurable: true,
                get: () => c.value,
                set: v => (c.value = v)
            });
            {
                checkDuplicateProperties("Computed" /* COMPUTED */, key);
            }
        }
    }
    if (watchOptions) {
        for (const key in watchOptions) {
            createWatcher(watchOptions[key], ctx, publicThis, key);
        }
    }
    if (provideOptions) {
        const provides = isFunction(provideOptions)
            ? provideOptions.call(publicThis)
            : provideOptions;
        Reflect.ownKeys(provides).forEach(key => {
            provide(key, provides[key]);
        });
    }
    if (created) {
        callHook(created, instance, "c" /* CREATED */);
    }
    function registerLifecycleHook(register, hook) {
        if (isArray(hook)) {
            hook.forEach(_hook => register(_hook.bind(publicThis)));
        }
        else if (hook) {
            register(hook.bind(publicThis));
        }
    }
    registerLifecycleHook(onBeforeMount, beforeMount);
    registerLifecycleHook(onMounted, mounted);
    registerLifecycleHook(onBeforeUpdate, beforeUpdate);
    registerLifecycleHook(onUpdated, updated);
    registerLifecycleHook(onActivated, activated);
    registerLifecycleHook(onDeactivated, deactivated);
    registerLifecycleHook(onErrorCaptured, errorCaptured);
    registerLifecycleHook(onRenderTracked, renderTracked);
    registerLifecycleHook(onRenderTriggered, renderTriggered);
    registerLifecycleHook(onBeforeUnmount, beforeUnmount);
    registerLifecycleHook(onUnmounted, unmounted);
    registerLifecycleHook(onServerPrefetch, serverPrefetch);
    if (isArray(expose)) {
        if (expose.length) {
            const exposed = instance.exposed || (instance.exposed = {});
            expose.forEach(key => {
                Object.defineProperty(exposed, key, {
                    get: () => publicThis[key],
                    set: val => (publicThis[key] = val)
                });
            });
        }
        else if (!instance.exposed) {
            instance.exposed = {};
        }
    }
    // options that are handled when creating the instance but also need to be
    // applied from mixins
    if (render && instance.render === NOOP) {
        instance.render = render;
    }
    if (inheritAttrs != null) {
        instance.inheritAttrs = inheritAttrs;
    }
    // asset options.
    if (components)
        instance.components = components;
    if (directives)
        instance.directives = directives;
}
function resolveInjections(injectOptions, ctx, checkDuplicateProperties = NOOP, unwrapRef = false) {
    if (isArray(injectOptions)) {
        injectOptions = normalizeInject(injectOptions);
    }
    for (const key in injectOptions) {
        const opt = injectOptions[key];
        let injected;
        if (isObject(opt)) {
            if ('default' in opt) {
                injected = inject(opt.from || key, opt.default, true /* treat default function as factory */);
            }
            else {
                injected = inject(opt.from || key);
            }
        }
        else {
            injected = inject(opt);
        }
        if (isRef(injected)) {
            // TODO remove the check in 3.3
            if (unwrapRef) {
                Object.defineProperty(ctx, key, {
                    enumerable: true,
                    configurable: true,
                    get: () => injected.value,
                    set: v => (injected.value = v)
                });
            }
            else {
                {
                    warn$1(`injected property "${key}" is a ref and will be auto-unwrapped ` +
                        `and no longer needs \`.value\` in the next minor release. ` +
                        `To opt-in to the new behavior now, ` +
                        `set \`app.config.unwrapInjectedRef = true\` (this config is ` +
                        `temporary and will not be needed in the future.)`);
                }
                ctx[key] = injected;
            }
        }
        else {
            ctx[key] = injected;
        }
        {
            checkDuplicateProperties("Inject" /* INJECT */, key);
        }
    }
}
function callHook(hook, instance, type) {
    callWithAsyncErrorHandling(isArray(hook)
        ? hook.map(h => h.bind(instance.proxy))
        : hook.bind(instance.proxy), instance, type);
}
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 {
            warn$1(`Invalid watch handler specified by key "${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 {
                warn$1(`Invalid watch handler specified by key "${raw.handler}"`, handler);
            }
        }
    }
    else {
        warn$1(`Invalid watch option: "${key}"`, raw);
    }
}
/**
 * Resolve merged options and cache it on the component.
 * This is done only once per-component since the merging does not involve
 * instances.
 */
function resolveMergedOptions(instance) {
    const base = instance.type;
    const { mixins, extends: extendsOptions } = base;
    const { mixins: globalMixins, optionsCache: cache, config: { optionMergeStrategies } } = instance.appContext;
    const cached = cache.get(base);
    let resolved;
    if (cached) {
        resolved = cached;
    }
    else if (!globalMixins.length && !mixins && !extendsOptions) {
        {
            resolved = base;
        }
    }
    else {
        resolved = {};
        if (globalMixins.length) {
            globalMixins.forEach(m => mergeOptions(resolved, m, optionMergeStrategies, true));
        }
        mergeOptions(resolved, base, optionMergeStrategies);
    }
    cache.set(base, resolved);
    return resolved;
}
function mergeOptions(to, from, strats, asMixin = false) {
    const { mixins, extends: extendsOptions } = from;
    if (extendsOptions) {
        mergeOptions(to, extendsOptions, strats, true);
    }
    if (mixins) {
        mixins.forEach((m) => mergeOptions(to, m, strats, true));
    }
    for (const key in from) {
        if (asMixin && key === 'expose') {
            warn$1(`"expose" option is ignored when declared in mixins or extends. ` +
                    `It should only be declared in the base component itself.`);
        }
        else {
            const strat = internalOptionMergeStrats[key] || (strats && strats[key]);
            to[key] = strat ? strat(to[key], from[key]) : from[key];
        }
    }
    return to;
}
const internalOptionMergeStrats = {
    data: mergeDataFn,
    props: mergeObjectOptions,
    emits: mergeObjectOptions,
    // objects
    methods: mergeObjectOptions,
    computed: mergeObjectOptions,
    // lifecycle
    beforeCreate: mergeAsArray,
    created: mergeAsArray,
    beforeMount: mergeAsArray,
    mounted: mergeAsArray,
    beforeUpdate: mergeAsArray,
    updated: mergeAsArray,
    beforeDestroy: mergeAsArray,
    beforeUnmount: mergeAsArray,
    destroyed: mergeAsArray,
    unmounted: mergeAsArray,
    activated: mergeAsArray,
    deactivated: mergeAsArray,
    errorCaptured: mergeAsArray,
    serverPrefetch: mergeAsArray,
    // assets
    components: mergeObjectOptions,
    directives: mergeObjectOptions,
    // watch
    watch: mergeWatchOptions,
    // provide / inject
    provide: mergeDataFn,
    inject: mergeInject
};
function mergeDataFn(to, from) {
    if (!from) {
        return to;
    }
    if (!to) {
        return from;
    }
    return function mergedDataFn() {
        return (extend)(isFunction(to) ? to.call(this, this) : to, isFunction(from) ? from.call(this, this) : from);
    };
}
function mergeInject(to, from) {
    return mergeObjectOptions(normalizeInject(to), normalizeInject(from));
}
function normalizeInject(raw) {
    if (isArray(raw)) {
        const res = {};
        for (let i = 0; i < raw.length; i++) {
            res[raw[i]] = raw[i];
        }
        return res;
    }
    return raw;
}
function mergeAsArray(to, from) {
    return to ? [...new Set([].concat(to, from))] : from;
}
function mergeObjectOptions(to, from) {
    return to ? extend(extend(Object.create(null), to), from) : from;
}
function mergeWatchOptions(to, from) {
    if (!to)
        return from;
    if (!from)
        return to;
    const merged = extend(Object.create(null), to);
    for (const key in from) {
        merged[key] = mergeAsArray(to[key], from[key]);
    }
    return merged;
}

function initProps(instance, rawProps, isStateful, // result of bitwise flag comparison
isSSR = false) {
    const props = {};
    const attrs = {};
    def(attrs, InternalObjectKey, 1);
    instance.propsDefaults = Object.create(null);
    setFullProps(instance, rawProps, props, attrs);
    // ensure all declared prop keys are present
    for (const key in instance.propsOptions[0]) {
        if (!(key in props)) {
            props[key] = undefined;
        }
    }
    // validation
    {
        validateProps(rawProps || {}, 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 updateProps(instance, rawProps, rawPrevProps, optimized) {
    const { props, attrs, vnode: { patchFlag } } = instance;
    const rawCurrentProps = toRaw(props);
    const [options] = instance.propsOptions;
    let hasAttrsChanged = false;
    if (
    // always force full diff in dev
    // - #1942 if hmr is enabled with sfc component
    // - vite#872 non-sfc component used by sfc component
    !((instance.type.__hmrId ||
            (instance.parent && instance.parent.type.__hmrId))) &&
        (optimized || patchFlag > 0) &&
        !(patchFlag & 16 /* FULL_PROPS */)) {
        if (patchFlag & 8 /* PROPS */) {
            // Compiler-generated props & no keys change, just set the updated
            // the props.
            const propsToUpdate = instance.vnode.dynamicProps;
            for (let i = 0; i < propsToUpdate.length; i++) {
                let key = propsToUpdate[i];
                // skip if the prop key is a declared emit event listener
                if (isEmitListener(instance.emitsOptions, key)) {
                    continue;
                }
                // PROPS flag guarantees rawProps to be non-null
                const value = rawProps[key];
                if (options) {
                    // attr / props separation was done on init and will be consistent
                    // in this code path, so just check if attrs have it.
                    if (hasOwn(attrs, key)) {
                        if (value !== attrs[key]) {
                            attrs[key] = value;
                            hasAttrsChanged = true;
                        }
                    }
                    else {
                        const camelizedKey = camelize(key);
                        props[camelizedKey] = resolvePropValue(options, rawCurrentProps, camelizedKey, value, instance, false /* isAbsent */);
                    }
                }
                else {
                    if (value !== attrs[key]) {
                        attrs[key] = value;
                        hasAttrsChanged = true;
                    }
                }
            }
        }
    }
    else {
        // full props update.
        if (setFullProps(instance, rawProps, props, attrs)) {
            hasAttrsChanged = true;
        }
        // in case of dynamic props, check if we need to delete keys from
        // the props object
        let kebabKey;
        for (const key in rawCurrentProps) {
            if (!rawProps ||
                // for camelCase
                (!hasOwn(rawProps, key) &&
                    // it's possible the original props was passed in as kebab-case
                    // and converted to camelCase (#955)
                    ((kebabKey = hyphenate(key)) === key || !hasOwn(rawProps, kebabKey)))) {
                if (options) {
                    if (rawPrevProps &&
                        // for camelCase
                        (rawPrevProps[key] !== undefined ||
                            // for kebab-case
                            rawPrevProps[kebabKey] !== undefined)) {
                        props[key] = resolvePropValue(options, rawCurrentProps, key, undefined, instance, true /* isAbsent */);
                    }
                }
                else {
                    delete props[key];
                }
            }
        }
        // in the case of functional component w/o props declaration, props and
        // attrs point to the same object so it should already have been updated.
        if (attrs !== rawCurrentProps) {
            for (const key in attrs) {
                if (!rawProps ||
                    (!hasOwn(rawProps, key) &&
                        (!false ))) {
                    delete attrs[key];
                    hasAttrsChanged = true;
                }
            }
        }
    }
    // trigger updates for $attrs in case it's used in component slots
    if (hasAttrsChanged) {
        trigger(instance, "set" /* SET */, '$attrs');
    }
    {
        validateProps(rawProps || {}, props, instance);
    }
}
function setFullProps(instance, rawProps, props, attrs) {
    const [options, needCastKeys] = instance.propsOptions;
    let hasAttrsChanged = false;
    let rawCastValues;
    if (rawProps) {
        for (let key in rawProps) {
            // key, ref are reserved and never passed down
            if (isReservedProp(key)) {
                continue;
            }
            const value = rawProps[key];
            // 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)))) {
                if (!needCastKeys || !needCastKeys.includes(camelKey)) {
                    props[camelKey] = value;
                }
                else {
                    (rawCastValues || (rawCastValues = {}))[camelKey] = value;
                }
            }
            else if (!isEmitListener(instance.emitsOptions, key)) {
                if (!(key in attrs) || value !== attrs[key]) {
                    attrs[key] = value;
                    hasAttrsChanged = true;
                }
            }
        }
    }
    if (needCastKeys) {
        const rawCurrentProps = toRaw(props);
        const castValues = rawCastValues || EMPTY_OBJ;
        for (let i = 0; i < needCastKeys.length; i++) {
            const key = needCastKeys[i];
            props[key] = resolvePropValue(options, rawCurrentProps, key, castValues[key], instance, !hasOwn(castValues, key));
        }
    }
    return hasAttrsChanged;
}
function resolvePropValue(options, props, key, value, instance, isAbsent) {
    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)) {
                const { propsDefaults } = instance;
                if (key in propsDefaults) {
                    value = propsDefaults[key];
                }
                else {
                    setCurrentInstance(instance);
                    value = propsDefaults[key] = defaultValue.call(null, props);
                    unsetCurrentInstance();
                }
            }
            else {
                value = defaultValue;
            }
        }
        // boolean casting
        if (opt[0 /* shouldCast */]) {
            if (isAbsent && !hasDefault) {
                value = false;
            }
            else if (opt[1 /* shouldCastTrue */] &&
                (value === '' || value === hyphenate(key))) {
                value = true;
            }
        }
    }
    return value;
}
function normalizePropsOptions(comp, appContext, asMixin = false) {
    const cache = appContext.propsCache;
    const cached = cache.get(comp);
    if (cached) {
        return cached;
    }
    const raw = comp.props;
    const normalized = {};
    const needCastKeys = [];
    // apply mixin/extends props
    let hasExtends = false;
    if (!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) {
        cache.set(comp, EMPTY_ARR);
        return EMPTY_ARR;
    }
    if (isArray(raw)) {
        for (let i = 0; i < raw.length; i++) {
            if (!isString(raw[i])) {
                warn$1(`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 (!isObject(raw)) {
            warn$1(`invalid props options`, raw);
        }
        for (const key in raw) {
            const normalizedKey = camelize(key);
            if (validatePropName(normalizedKey)) {
                const opt = raw[key];
                const prop = (normalized[normalizedKey] =
                    isArray(opt) || isFunction(opt) ? { type: opt } : opt);
                if (prop) {
                    const booleanIndex = getTypeIndex(Boolean, prop.type);
                    const stringIndex = getTypeIndex(String, prop.type);
                    prop[0 /* shouldCast */] = booleanIndex > -1;
                    prop[1 /* shouldCastTrue */] =
                        stringIndex < 0 || booleanIndex < stringIndex;
                    // if the prop needs boolean casting or default value
                    if (booleanIndex > -1 || hasOwn(prop, 'default')) {
                        needCastKeys.push(normalizedKey);
                    }
                }
            }
        }
    }
    const res = [normalized, needCastKeys];
    cache.set(comp, res);
    return res;
}
function validatePropName(key) {
    if (key[0] !== '$') {
        return true;
    }
    else {
        warn$1(`Invalid prop name: "${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] : ctor === null ? 'null' : '';
}
function isSameType(a, b) {
    return getType(a) === getType(b);
}
function getTypeIndex(type, expectedTypes) {
    if (isArray(expectedTypes)) {
        return expectedTypes.findIndex(t => isSameType(t, type));
    }
    else if (isFunction(expectedTypes)) {
        return isSameType(expectedTypes, type) ? 0 : -1;
    }
    return -1;
}
/**
 * dev only
 */
function validateProps(rawProps, props, instance) {
    const resolvedValues = toRaw(props);
    const options = instance.propsOptions[0];
    for (const key in options) {
        let opt = options[key];
        if (opt == null)
            continue;
        validateProp(key, resolvedValues[key], opt, !hasOwn(rawProps, key) && !hasOwn(rawProps, hyphenate(key)));
    }
}
/**
 * dev only
 */
function validateProp(name, value, prop, isAbsent) {
    const { type, required, validator } = prop;
    // required!
    if (required && isAbsent) {
        warn$1('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$1(getInvalidTypeMessage(name, value, expectedTypes));
            return;
        }
    }
    // custom validator
    if (validator && !validator(value)) {
        warn$1('Invalid prop: custom validator check failed for prop "' + name + '".');
    }
}
const isSimpleType = /*#__PURE__*/ makeMap('String,Number,Boolean,Function,Symbol,BigInt');
/**
 * dev only
 */
function assertType(value, type) {
    let valid;
    const expectedType = getType(type);
    if (isSimpleType(expectedType)) {
        const t = typeof value;
        valid = t === expectedType.toLowerCase();
        // for primitive wrapper objects
        if (!valid && t === 'object') {
            valid = value instanceof type;
        }
    }
    else if (expectedType === 'Object') {
        valid = isObject(value);
    }
    else if (expectedType === 'Array') {
        valid = isArray(value);
    }
    else if (expectedType === 'null') {
        valid = value === null;
    }
    else {
        valid = value instanceof type;
    }
    return {
        valid,
        expectedType
    };
}
/**
 * dev only
 */
function getInvalidTypeMessage(name, value, expectedTypes) {
    let message = `Invalid prop: type check failed for prop "${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');
}

const isInternalKey = (key) => key[0] === '_' || key === '$stable';
const normalizeSlotValue = (value) => isArray(value)
    ? value.map(normalizeVNode)
    : [normalizeVNode(value)];
const normalizeSlot = (key, rawSlot, ctx) => {
    if (rawSlot._n) {
        // already normalized - #5353
        return rawSlot;
    }
    const normalized = withCtx((...args) => {
        if (currentInstance) {
            warn$1(`Slot "${key}" invoked outside of the render function: ` +
                `this will not track dependencies used in the slot. ` +
                `Invoke the slot function inside the render function instead.`);
        }
        return normalizeSlotValue(rawSlot(...args));
    }, ctx);
    normalized._c = false;
    return normalized;
};
const normalizeObjectSlots = (rawSlots, slots, instance) => {
    const ctx = rawSlots._ctx;
    for (const key in rawSlots) {
        if (isInternalKey(key))
            continue;
        const value = rawSlots[key];
        if (isFunction(value)) {
            slots[key] = normalizeSlot(key, value, ctx);
        }
        else if (value != null) {
            {
                warn$1(`Non-function value encountered for slot "${key}". ` +
                    `Prefer function slots for better performance.`);
            }
            const normalized = normalizeSlotValue(value);
            slots[key] = () => normalized;
        }
    }
};
const normalizeVNodeSlots = (instance, children) => {
    if (!isKeepAlive(instance.vnode) &&
        !(false )) {
        warn$1(`Non-function value encountered for default slot. ` +
            `Prefer function slots for better performance.`);
    }
    const normalized = normalizeSlotValue(children);
    instance.slots.default = () => normalized;
};
const initSlots = (instance, children) => {
    if (instance.vnode.shapeFlag & 32 /* SLOTS_CHILDREN */) {
        const type = children._;
        if (type) {
            // users can get the shallow readonly version of the slots object through `this.$slots`,
            // we should avoid the proxy object polluting the slots of the internal instance
            instance.slots = toRaw(children);
            // make compiler marker non-enumerable
            def(children, '_', type);
        }
        else {
            normalizeObjectSlots(children, (instance.slots = {}));
        }
    }
    else {
        instance.slots = {};
        if (children) {
            normalizeVNodeSlots(instance, children);
        }
    }
    def(instance.slots, InternalObjectKey, 1);
};
const updateSlots = (instance, children, optimized) => {
    const { vnode, slots } = instance;
    let needDeletionCheck = true;
    let deletionComparisonTarget = EMPTY_OBJ;
    if (vnode.shapeFlag & 32 /* SLOTS_CHILDREN */) {
        const type = children._;
        if (type) {
            // compiled slots.
            if (isHmrUpdating) {
                // Parent was HMR updated so slot content may have changed.
                // force update slots and mark instance for hmr as well
                extend(slots, children);
            }
            else if (optimized && type === 1 /* STABLE */) {
                // compiled AND stable.
                // no need to update, and skip stale slots removal.
                needDeletionCheck = false;
            }
            else {
                // compiled but dynamic (v-if/v-for on slots) - update slots, but skip
                // normalization.
                extend(slots, children);
                // #2893
                // when rendering the optimized slots by manually written render function,
                // we need to delete the `slots._` flag if necessary to make subsequent updates reliable,
                // i.e. let the `renderSlot` create the bailed Fragment
                if (!optimized && type === 1 /* STABLE */) {
                    delete slots._;
                }
            }
        }
        else {
            needDeletionCheck = !children.$stable;
            normalizeObjectSlots(children, slots);
        }
        deletionComparisonTarget = children;
    }
    else if (children) {
        // non slot object children (direct value) passed to a component
        normalizeVNodeSlots(instance, children);
        deletionComparisonTarget = { default: 1 };
    }
    // delete stale slots
    if (needDeletionCheck) {
        for (const key in slots) {
            if (!isInternalKey(key) && !(key in deletionComparisonTarget)) {
                delete slots[key];
            }
        }
    }
};

function createAppContext() {
    return {
        app: null,
        config: {
            isNativeTag: NO,
            performance: false,
            globalProperties: {},
            optionMergeStrategies: {},
            errorHandler: undefined,
            warnHandler: undefined,
            compilerOptions: {}
        },
        mixins: [],
        components: {},
        directives: {},
        provides: Object.create(null),
        optionsCache: new WeakMap(),
        propsCache: new WeakMap(),
        emitsCache: new WeakMap()
    };
}
let uid = 0;
function createAppAPI(render, hydrate) {
    return function createApp(rootComponent, rootProps = null) {
        if (!isFunction(rootComponent)) {
            rootComponent = { ...rootComponent };
        }
        if (rootProps != null && !isObject(rootProps)) {
            warn$1(`root props passed to app.mount() must be an object.`);
            rootProps = null;
        }
        const context = createAppContext();
        const installedPlugins = new Set();
        let isMounted = false;
        const app = (context.app = {
            _uid: uid++,
            _component: rootComponent,
            _props: rootProps,
            _container: null,
            _context: context,
            _instance: null,
            version,
            get config() {
                return context.config;
            },
            set config(v) {
                {
                    warn$1(`app.config cannot be replaced. Modify individual options instead.`);
                }
            },
            use(plugin, ...options) {
                if (installedPlugins.has(plugin)) {
                    warn$1(`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 {
                    warn$1(`A plugin must either be a function or an object with an "install" ` +
                        `function.`);
                }
                return app;
            },
            mixin(mixin) {
                {
                    if (!context.mixins.includes(mixin)) {
                        context.mixins.push(mixin);
                    }
                    else {
                        warn$1('Mixin has already been applied to target app' +
                            (mixin.name ? `: ${mixin.name}` : ''));
                    }
                }
                return app;
            },
            component(name, component) {
                {
                    validateComponentName(name, context.config);
                }
                if (!component) {
                    return context.components[name];
                }
                if (context.components[name]) {
                    warn$1(`Component "${name}" has already been registered in target app.`);
                }
                context.components[name] = component;
                return app;
            },
            directive(name, directive) {
                {
                    validateDirectiveName(name);
                }
                if (!directive) {
                    return context.directives[name];
                }
                if (context.directives[name]) {
                    warn$1(`Directive "${name}" has already been registered in target app.`);
                }
                context.directives[name] = directive;
                return app;
            },
            mount(rootContainer, isHydrate, isSVG) {
                if (!isMounted) {
                    // #5571
                    if (rootContainer.__vue_app__) {
                        warn$1(`There is already an app instance mounted on the host container.\n` +
                            ` If you want to mount another app on the same host container,` +
                            ` you need to unmount the previous app by calling \`app.unmount()\` first.`);
                    }
                    const vnode = createVNode(rootComponent, rootProps);
                    // store app context on the root VNode.
                    // this will be set on the root instance on initial mount.
                    vnode.appContext = context;
                    // HMR root reload
                    {
                        context.reload = () => {
                            render(cloneVNode(vnode), rootContainer, isSVG);
                        };
                    }
                    if (isHydrate && hydrate) {
                        hydrate(vnode, rootContainer);
                    }
                    else {
                        render(vnode, rootContainer, isSVG);
                    }
                    isMounted = true;
                    app._container = rootContainer;
                    rootContainer.__vue_app__ = app;
                    {
                        app._instance = vnode.component;
                        devtoolsInitApp(app, version);
                    }
                    return getExposeProxy(vnode.component) || vnode.component.proxy;
                }
                else {
                    warn$1(`App has already been mounted.\n` +
                        `If you want to remount the same app, move your app creation logic ` +
                        `into a factory function and create fresh app instances for each ` +
                        `mount - e.g. \`const createMyApp = () => createApp(App)\``);
                }
            },
            unmount() {
                if (isMounted) {
                    render(null, app._container);
                    {
                        app._instance = null;
                        devtoolsUnmountApp(app);
                    }
                    delete app._container.__vue_app__;
                }
                else {
                    warn$1(`Cannot unmount an app that is not mounted.`);
                }
            },
            provide(key, value) {
                if (key in context.provides) {
                    warn$1(`App already provides property with key "${String(key)}". ` +
                        `It will be overwritten with the new value.`);
                }
                context.provides[key] = value;
                return app;
            }
        });
        return app;
    };
}

/**
 * Function for handling a template ref
 */
function setRef(rawRef, oldRawRef, parentSuspense, vnode, isUnmount = false) {
    if (isArray(rawRef)) {
        rawRef.forEach((r, i) => setRef(r, oldRawRef && (isArray(oldRawRef) ? oldRawRef[i] : oldRawRef), parentSuspense, vnode, isUnmount));
        return;
    }
    if (isAsyncWrapper(vnode) && !isUnmount) {
        // when mounting async components, nothing needs to be done,
        // because the template ref is forwarded to inner component
        return;
    }
    const refValue = vnode.shapeFlag & 4 /* STATEFUL_COMPONENT */
        ? getExposeProxy(vnode.component) || vnode.component.proxy
        : vnode.el;
    const value = isUnmount ? null : refValue;
    const { i: owner, r: ref } = rawRef;
    if (!owner) {
        warn$1(`Missing ref owner context. ref cannot be used on hoisted vnodes. ` +
            `A vnode with ref must be created inside the render function.`);
        return;
    }
    const oldRef = oldRawRef && oldRawRef.r;
    const refs = owner.refs === EMPTY_OBJ ? (owner.refs = {}) : owner.refs;
    const setupState = owner.setupState;
    // dynamic ref changed. unset old ref
    if (oldRef != null && oldRef !== ref) {
        if (isString(oldRef)) {
            refs[oldRef] = null;
            if (hasOwn(setupState, oldRef)) {
                setupState[oldRef] = null;
            }
        }
        else if (isRef(oldRef)) {
            oldRef.value = null;
        }
    }
    if (isFunction(ref)) {
        callWithErrorHandling(ref, owner, 12 /* FUNCTION_REF */, [value, refs]);
    }
    else {
        const _isString = isString(ref);
        const _isRef = isRef(ref);
        if (_isString || _isRef) {
            const doSet = () => {
                if (rawRef.f) {
                    const existing = _isString ? refs[ref] : ref.value;
                    if (isUnmount) {
                        isArray(existing) && remove(existing, refValue);
                    }
                    else {
                        if (!isArray(existing)) {
                            if (_isString) {
                                refs[ref] = [refValue];
                                if (hasOwn(setupState, ref)) {
                                    setupState[ref] = refs[ref];
                                }
                            }
                            else {
                                ref.value = [refValue];
                                if (rawRef.k)
                                    refs[rawRef.k] = ref.value;
                            }
                        }
                        else if (!existing.includes(refValue)) {
                            existing.push(refValue);
                        }
                    }
                }
                else if (_isString) {
                    refs[ref] = value;
                    if (hasOwn(setupState, ref)) {
                        setupState[ref] = value;
                    }
                }
                else if (_isRef) {
                    ref.value = value;
                    if (rawRef.k)
                        refs[rawRef.k] = value;
                }
                else {
                    warn$1('Invalid template ref type:', ref, `(${typeof ref})`);
                }
            };
            if (value) {
                doSet.id = -1;
                queuePostRenderEffect(doSet, parentSuspense);
            }
            else {
                doSet();
            }
        }
        else {
            warn$1('Invalid template ref type:', ref, `(${typeof ref})`);
        }
    }
}

/* eslint-disable no-restricted-globals */
let supported;
let perf;
function startMeasure(instance, type) {
    if (instance.appContext.config.performance && isSupported()) {
        perf.mark(`vue-${type}-${instance.uid}`);
    }
    {
        devtoolsPerfStart(instance, type, isSupported() ? perf.now() : Date.now());
    }
}
function endMeasure(instance, type) {
    if (instance.appContext.config.performance && isSupported()) {
        const startTag = `vue-${type}-${instance.uid}`;
        const endTag = startTag + `:end`;
        perf.mark(endTag);
        perf.measure(`<${formatComponentName(instance, instance.type)}> ${type}`, startTag, endTag);
        perf.clearMarks(startTag);
        perf.clearMarks(endTag);
    }
    {
        devtoolsPerfEnd(instance, type, isSupported() ? perf.now() : Date.now());
    }
}
function isSupported() {
    if (supported !== undefined) {
        return supported;
    }
    if (typeof window !== 'undefined' && window.performance) {
        supported = true;
        perf = window.performance;
    }
    else {
        supported = false;
    }
    return supported;
}

const queuePostRenderEffect = queueEffectWithSuspense
    ;
/**
 * The createRenderer function accepts two generic arguments:
 * HostNode and HostElement, corresponding to Node and Element types in the
 * host environment. For example, for runtime-dom, HostNode would be the DOM
 * `Node` interface and HostElement would be the DOM `Element` interface.
 *
 * Custom renderers can pass in the platform specific types like this:
 *
 * ``` js
 * const { render, createApp } = createRenderer<Node, Element>({
 *   patchProp,
 *   ...nodeOps
 * })
 * ```
 */
function createRenderer(options) {
    return baseCreateRenderer(options);
}
// implementation
function baseCreateRenderer(options, createHydrationFns) {
    const target = getGlobalThis();
    target.__VUE__ = true;
    {
        setDevtoolsHook(target.__VUE_DEVTOOLS_GLOBAL_HOOK__, target);
    }
    const { insert: hostInsert, remove: hostRemove, patchProp: hostPatchProp, createElement: hostCreateElement, createText: hostCreateText, createComment: hostCreateComment, setText: hostSetText, setElementText: hostSetElementText, parentNode: hostParentNode, nextSibling: hostNextSibling, setScopeId: hostSetScopeId = NOOP, cloneNode: hostCloneNode, insertStaticContent: hostInsertStaticContent } = options;
    // Note: functions inside this closure should use `const xxx = () => {}`
    // style in order to prevent being inlined by minifiers.
    const patch = (n1, n2, container, anchor = null, parentComponent = null, parentSuspense = null, isSVG = false, slotScopeIds = null, optimized = isHmrUpdating ? false : !!n2.dynamicChildren) => {
        if (n1 === n2) {
            return;
        }
        // patching & not same type, unmount old tree
        if (n1 && !isSameVNodeType(n1, n2)) {
            anchor = getNextHostNode(n1);
            unmount(n1, parentComponent, parentSuspense, true);
            n1 = null;
        }
        if (n2.patchFlag === -2 /* BAIL */) {
            optimized = false;
            n2.dynamicChildren = null;
        }
        const { type, ref, shapeFlag } = n2;
        switch (type) {
            case Text:
                processText(n1, n2, container, anchor);
                break;
            case Comment:
                processCommentNode(n1, n2, container, anchor);
                break;
            case Static:
                if (n1 == null) {
                    mountStaticNode(n2, container, anchor, isSVG);
                }
                else {
                    patchStaticNode(n1, n2, container, isSVG);
                }
                break;
            case Fragment:
                processFragment(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                break;
            default:
                if (shapeFlag & 1 /* ELEMENT */) {
                    processElement(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                }
                else if (shapeFlag & 6 /* COMPONENT */) {
                    processComponent(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                }
                else if (shapeFlag & 64 /* TELEPORT */) {
                    type.process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals);
                }
                else if (shapeFlag & 128 /* SUSPENSE */) {
                    type.process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals);
                }
                else {
                    warn$1('Invalid VNode type:', type, `(${typeof type})`);
                }
        }
        // set ref
        if (ref != null && parentComponent) {
            setRef(ref, n1 && n1.ref, parentSuspense, n2 || n1, !n2);
        }
    };
    const processText = (n1, n2, container, anchor) => {
        if (n1 == null) {
            hostInsert((n2.el = hostCreateText(n2.children)), container, anchor);
        }
        else {
            const el = (n2.el = n1.el);
            if (n2.children !== n1.children) {
                hostSetText(el, n2.children);
            }
        }
    };
    const processCommentNode = (n1, n2, container, anchor) => {
        if (n1 == null) {
            hostInsert((n2.el = hostCreateComment(n2.children || '')), container, anchor);
        }
        else {
            // there's no support for dynamic comments
            n2.el = n1.el;
        }
    };
    const mountStaticNode = (n2, container, anchor, isSVG) => {
        [n2.el, n2.anchor] = hostInsertStaticContent(n2.children, container, anchor, isSVG, n2.el, n2.anchor);
    };
    /**
     * Dev / HMR only
     */
    const patchStaticNode = (n1, n2, container, isSVG) => {
        // static nodes are only patched during dev for HMR
        if (n2.children !== n1.children) {
            const anchor = hostNextSibling(n1.anchor);
            // remove existing
            removeStaticNode(n1);
            [n2.el, n2.anchor] = hostInsertStaticContent(n2.children, container, anchor, isSVG);
        }
        else {
            n2.el = n1.el;
            n2.anchor = n1.anchor;
        }
    };
    const moveStaticNode = ({ el, anchor }, container, nextSibling) => {
        let next;
        while (el && el !== anchor) {
            next = hostNextSibling(el);
            hostInsert(el, container, nextSibling);
            el = next;
        }
        hostInsert(anchor, container, nextSibling);
    };
    const removeStaticNode = ({ el, anchor }) => {
        let next;
        while (el && el !== anchor) {
            next = hostNextSibling(el);
            hostRemove(el);
            el = next;
        }
        hostRemove(anchor);
    };
    const processElement = (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
        isSVG = isSVG || n2.type === 'svg';
        if (n1 == null) {
            mountElement(n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        }
        else {
            patchElement(n1, n2, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        }
    };
    const mountElement = (vnode, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
        let el;
        let vnodeHook;
        const { type, props, shapeFlag, transition, patchFlag, dirs } = vnode;
        {
            el = vnode.el = hostCreateElement(vnode.type, isSVG, props && props.is, props);
            // mount children first, since some props may rely on child content
            // being already rendered, e.g. `<select value>`
            if (shapeFlag & 8 /* TEXT_CHILDREN */) {
                hostSetElementText(el, vnode.children);
            }
            else if (shapeFlag & 16 /* ARRAY_CHILDREN */) {
                mountChildren(vnode.children, el, null, parentComponent, parentSuspense, isSVG && type !== 'foreignObject', slotScopeIds, optimized);
            }
            if (dirs) {
                invokeDirectiveHook(vnode, null, parentComponent, 'created');
            }
            // props
            if (props) {
                for (const key in props) {
                    if (key !== 'value' && !isReservedProp(key)) {
                        hostPatchProp(el, key, null, props[key], isSVG, vnode.children, parentComponent, parentSuspense, unmountChildren);
                    }
                }
                /**
                 * Special case for setting value on DOM elements:
                 * - it can be order-sensitive (e.g. should be set *after* min/max, #2325, #4024)
                 * - it needs to be forced (#1471)
                 * #2353 proposes adding another renderer option to configure this, but
                 * the properties affects are so finite it is worth special casing it
                 * here to reduce the complexity. (Special casing it also should not
                 * affect non-DOM renderers)
                 */
                if ('value' in props) {
                    hostPatchProp(el, 'value', null, props.value);
                }
                if ((vnodeHook = props.onVnodeBeforeMount)) {
                    invokeVNodeHook(vnodeHook, parentComponent, vnode);
                }
            }
            // scopeId
            setScopeId(el, vnode, vnode.scopeId, slotScopeIds, parentComponent);
        }
        {
            Object.defineProperty(el, '__vnode', {
                value: vnode,
                enumerable: false
            });
            Object.defineProperty(el, '__vueParentComponent', {
                value: parentComponent,
                enumerable: false
            });
        }
        if (dirs) {
            invokeDirectiveHook(vnode, null, parentComponent, 'beforeMount');
        }
        // #1583 For inside suspense + suspense not resolved case, enter hook should call when suspense resolved
        // #1689 For inside suspense + suspense resolved case, just call it
        const needCallTransitionHooks = (!parentSuspense || (parentSuspense && !parentSuspense.pendingBranch)) &&
            transition &&
            !transition.persisted;
        if (needCallTransitionHooks) {
            transition.beforeEnter(el);
        }
        hostInsert(el, container, anchor);
        if ((vnodeHook = props && props.onVnodeMounted) ||
            needCallTransitionHooks ||
            dirs) {
            queuePostRenderEffect(() => {
                vnodeHook && invokeVNodeHook(vnodeHook, parentComponent, vnode);
                needCallTransitionHooks && transition.enter(el);
                dirs && invokeDirectiveHook(vnode, null, parentComponent, 'mounted');
            }, parentSuspense);
        }
    };
    const setScopeId = (el, vnode, scopeId, slotScopeIds, parentComponent) => {
        if (scopeId) {
            hostSetScopeId(el, scopeId);
        }
        if (slotScopeIds) {
            for (let i = 0; i < slotScopeIds.length; i++) {
                hostSetScopeId(el, slotScopeIds[i]);
            }
        }
        if (parentComponent) {
            let subTree = parentComponent.subTree;
            if (subTree.patchFlag > 0 &&
                subTree.patchFlag & 2048 /* DEV_ROOT_FRAGMENT */) {
                subTree =
                    filterSingleRoot(subTree.children) || subTree;
            }
            if (vnode === subTree) {
                const parentVNode = parentComponent.vnode;
                setScopeId(el, parentVNode, parentVNode.scopeId, parentVNode.slotScopeIds, parentComponent.parent);
            }
        }
    };
    const mountChildren = (children, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, start = 0) => {
        for (let i = start; i < children.length; i++) {
            const child = (children[i] = optimized
                ? cloneIfMounted(children[i])
                : normalizeVNode(children[i]));
            patch(null, child, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        }
    };
    const patchElement = (n1, n2, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
        const el = (n2.el = n1.el);
        let { patchFlag, dynamicChildren, dirs } = n2;
        // #1426 take the old vnode's patch flag into account since user may clone a
        // compiler-generated vnode, which de-opts to FULL_PROPS
        patchFlag |= n1.patchFlag & 16 /* FULL_PROPS */;
        const oldProps = n1.props || EMPTY_OBJ;
        const newProps = n2.props || EMPTY_OBJ;
        let vnodeHook;
        // disable recurse in beforeUpdate hooks
        parentComponent && toggleRecurse(parentComponent, false);
        if ((vnodeHook = newProps.onVnodeBeforeUpdate)) {
            invokeVNodeHook(vnodeHook, parentComponent, n2, n1);
        }
        if (dirs) {
            invokeDirectiveHook(n2, n1, parentComponent, 'beforeUpdate');
        }
        parentComponent && toggleRecurse(parentComponent, true);
        if (isHmrUpdating) {
            // HMR updated, force full diff
            patchFlag = 0;
            optimized = false;
            dynamicChildren = null;
        }
        const areChildrenSVG = isSVG && n2.type !== 'foreignObject';
        if (dynamicChildren) {
            patchBlockChildren(n1.dynamicChildren, dynamicChildren, el, parentComponent, parentSuspense, areChildrenSVG, slotScopeIds);
            if (parentComponent && parentComponent.type.__hmrId) {
                traverseStaticChildren(n1, n2);
            }
        }
        else if (!optimized) {
            // full diff
            patchChildren(n1, n2, el, null, parentComponent, parentSuspense, areChildrenSVG, slotScopeIds, false);
        }
        if (patchFlag > 0) {
            // the presence of a patchFlag means this element's render code was
            // generated by the compiler and can take the fast path.
            // in this path old node and new node are guaranteed to have the same shape
            // (i.e. at the exact same position in the source template)
            if (patchFlag & 16 /* FULL_PROPS */) {
                // element props contain dynamic keys, full diff needed
                patchProps(el, n2, oldProps, newProps, parentComponent, parentSuspense, isSVG);
            }
            else {
                // class
                // this flag is matched when the element has dynamic class bindings.
                if (patchFlag & 2 /* CLASS */) {
                    if (oldProps.class !== newProps.class) {
                        hostPatchProp(el, 'class', null, newProps.class, isSVG);
                    }
                }
                // style
                // this flag is matched when the element has dynamic style bindings
                if (patchFlag & 4 /* STYLE */) {
                    hostPatchProp(el, 'style', oldProps.style, newProps.style, isSVG);
                }
                // props
                // This flag is matched when the element has dynamic prop/attr bindings
                // other than class and style. The keys of dynamic prop/attrs are saved for
                // faster iteration.
                // Note dynamic keys like :[foo]="bar" will cause this optimization to
                // bail out and go through a full diff because we need to unset the old key
                if (patchFlag & 8 /* PROPS */) {
                    // if the flag is present then dynamicProps must be non-null
                    const propsToUpdate = n2.dynamicProps;
                    for (let i = 0; i < propsToUpdate.length; i++) {
                        const key = propsToUpdate[i];
                        const prev = oldProps[key];
                        const next = newProps[key];
                        // #1471 force patch value
                        if (next !== prev || key === 'value') {
                            hostPatchProp(el, key, prev, next, isSVG, n1.children, parentComponent, parentSuspense, unmountChildren);
                        }
                    }
                }
            }
            // text
            // This flag is matched when the element has only dynamic text children.
            if (patchFlag & 1 /* TEXT */) {
                if (n1.children !== n2.children) {
                    hostSetElementText(el, n2.children);
                }
            }
        }
        else if (!optimized && dynamicChildren == null) {
            // unoptimized, full diff
            patchProps(el, n2, oldProps, newProps, parentComponent, parentSuspense, isSVG);
        }
        if ((vnodeHook = newProps.onVnodeUpdated) || dirs) {
            queuePostRenderEffect(() => {
                vnodeHook && invokeVNodeHook(vnodeHook, parentComponent, n2, n1);
                dirs && invokeDirectiveHook(n2, n1, parentComponent, 'updated');
            }, parentSuspense);
        }
    };
    // The fast path for blocks.
    const patchBlockChildren = (oldChildren, newChildren, fallbackContainer, parentComponent, parentSuspense, isSVG, slotScopeIds) => {
        for (let i = 0; i < newChildren.length; i++) {
            const oldVNode = oldChildren[i];
            const newVNode = newChildren[i];
            // Determine the container (parent element) for the patch.
            const container = 
            // oldVNode may be an errored async setup() component inside Suspense
            // which will not have a mounted element
            oldVNode.el &&
                // - In the case of a Fragment, we need to provide the actual parent
                // of the Fragment itself so it can move its children.
                (oldVNode.type === Fragment ||
                    // - In the case of different nodes, there is going to be a replacement
                    // which also requires the correct parent container
                    !isSameVNodeType(oldVNode, newVNode) ||
                    // - In the case of a component, it could contain anything.
                    oldVNode.shapeFlag & (6 /* COMPONENT */ | 64 /* TELEPORT */))
                ? hostParentNode(oldVNode.el)
                : // In other cases, the parent container is not actually used so we
                    // just pass the block element here to avoid a DOM parentNode call.
                    fallbackContainer;
            patch(oldVNode, newVNode, container, null, parentComponent, parentSuspense, isSVG, slotScopeIds, true);
        }
    };
    const patchProps = (el, vnode, oldProps, newProps, parentComponent, parentSuspense, isSVG) => {
        if (oldProps !== newProps) {
            for (const key in newProps) {
                // empty string is not valid prop
                if (isReservedProp(key))
                    continue;
                const next = newProps[key];
                const prev = oldProps[key];
                // defer patching value
                if (next !== prev && key !== 'value') {
                    hostPatchProp(el, key, prev, next, isSVG, vnode.children, parentComponent, parentSuspense, unmountChildren);
                }
            }
            if (oldProps !== EMPTY_OBJ) {
                for (const key in oldProps) {
                    if (!isReservedProp(key) && !(key in newProps)) {
                        hostPatchProp(el, key, oldProps[key], null, isSVG, vnode.children, parentComponent, parentSuspense, unmountChildren);
                    }
                }
            }
            if ('value' in newProps) {
                hostPatchProp(el, 'value', oldProps.value, newProps.value);
            }
        }
    };
    const processFragment = (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
        const fragmentStartAnchor = (n2.el = n1 ? n1.el : hostCreateText(''));
        const fragmentEndAnchor = (n2.anchor = n1 ? n1.anchor : hostCreateText(''));
        let { patchFlag, dynamicChildren, slotScopeIds: fragmentSlotScopeIds } = n2;
        if (// #5523 dev root fragment may inherit directives
            (isHmrUpdating || patchFlag & 2048 /* DEV_ROOT_FRAGMENT */)) {
            // HMR updated / Dev root fragment (w/ comments), force full diff
            patchFlag = 0;
            optimized = false;
            dynamicChildren = null;
        }
        // check if this is a slot fragment with :slotted scope ids
        if (fragmentSlotScopeIds) {
            slotScopeIds = slotScopeIds
                ? slotScopeIds.concat(fragmentSlotScopeIds)
                : fragmentSlotScopeIds;
        }
        if (n1 == null) {
            hostInsert(fragmentStartAnchor, container, anchor);
            hostInsert(fragmentEndAnchor, container, anchor);
            // a fragment can only have array children
            // since they are either generated by the compiler, or implicitly created
            // from arrays.
            mountChildren(n2.children, container, fragmentEndAnchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        }
        else {
            if (patchFlag > 0 &&
                patchFlag & 64 /* STABLE_FRAGMENT */ &&
                dynamicChildren &&
                // #2715 the previous fragment could've been a BAILed one as a result
                // of renderSlot() with no valid children
                n1.dynamicChildren) {
                // a stable fragment (template root or <template v-for>) doesn't need to
                // patch children order, but it may contain dynamicChildren.
                patchBlockChildren(n1.dynamicChildren, dynamicChildren, container, parentComponent, parentSuspense, isSVG, slotScopeIds);
                if (parentComponent && parentComponent.type.__hmrId) {
                    traverseStaticChildren(n1, n2);
                }
                else if (
                // #2080 if the stable fragment has a key, it's a <template v-for> that may
                //  get moved around. Make sure all root level vnodes inherit el.
                // #2134 or if it's a component root, it may also get moved around
                // as the component is being moved.
                n2.key != null ||
                    (parentComponent && n2 === parentComponent.subTree)) {
                    traverseStaticChildren(n1, n2, true /* shallow */);
                }
            }
            else {
                // keyed / unkeyed, or manual fragments.
                // for keyed & unkeyed, since they are compiler generated from v-for,
                // each child is guaranteed to be a block so the fragment will never
                // have dynamicChildren.
                patchChildren(n1, n2, container, fragmentEndAnchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
            }
        }
    };
    const processComponent = (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
        n2.slotScopeIds = slotScopeIds;
        if (n1 == null) {
            if (n2.shapeFlag & 512 /* COMPONENT_KEPT_ALIVE */) {
                parentComponent.ctx.activate(n2, container, anchor, isSVG, optimized);
            }
            else {
                mountComponent(n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized);
            }
        }
        else {
            updateComponent(n1, n2, optimized);
        }
    };
    const mountComponent = (initialVNode, container, anchor, parentComponent, parentSuspense, isSVG, optimized) => {
        const instance = (initialVNode.component = createComponentInstance(initialVNode, parentComponent, parentSuspense));
        if (instance.type.__hmrId) {
            registerHMR(instance);
        }
        {
            pushWarningContext(initialVNode);
            startMeasure(instance, `mount`);
        }
        // inject renderer internals for keepAlive
        if (isKeepAlive(initialVNode)) {
            instance.ctx.renderer = internals;
        }
        // resolve props and slots for setup context
        {
            {
                startMeasure(instance, `init`);
            }
            setupComponent(instance);
            {
                endMeasure(instance, `init`);
            }
        }
        // setup() is async. This component relies on async logic to be resolved
        // before proceeding
        if (instance.asyncDep) {
            parentSuspense && parentSuspense.registerDep(instance, setupRenderEffect);
            // Give it a placeholder if this is not hydration
            // TODO handle self-defined fallback
            if (!initialVNode.el) {
                const placeholder = (instance.subTree = createVNode(Comment));
                processCommentNode(null, placeholder, container, anchor);
            }
            return;
        }
        setupRenderEffect(instance, initialVNode, container, anchor, parentSuspense, isSVG, optimized);
        {
            popWarningContext();
            endMeasure(instance, `mount`);
        }
    };
    const updateComponent = (n1, n2, optimized) => {
        const instance = (n2.component = n1.component);
        if (shouldUpdateComponent(n1, n2, optimized)) {
            if (instance.asyncDep &&
                !instance.asyncResolved) {
                // async & still pending - just update props and slots
                // since the component's reactive effect for render isn't set-up yet
                {
                    pushWarningContext(n2);
                }
                updateComponentPreRender(instance, n2, optimized);
                {
                    popWarningContext();
                }
                return;
            }
            else {
                // normal update
                instance.next = n2;
                // in case the child component is also queued, remove it to avoid
                // double updating the same child component in the same flush.
                invalidateJob(instance.update);
                // instance.update is the reactive effect.
                instance.update();
            }
        }
        else {
            // no update needed. just copy over properties
            n2.el = n1.el;
            instance.vnode = n2;
        }
    };
    const setupRenderEffect = (instance, initialVNode, container, anchor, parentSuspense, isSVG, optimized) => {
        const componentUpdateFn = () => {
            if (!instance.isMounted) {
                let vnodeHook;
                const { el, props } = initialVNode;
                const { bm, m, parent } = instance;
                const isAsyncWrapperVNode = isAsyncWrapper(initialVNode);
                toggleRecurse(instance, false);
                // beforeMount hook
                if (bm) {
                    invokeArrayFns(bm);
                }
                // onVnodeBeforeMount
                if (!isAsyncWrapperVNode &&
                    (vnodeHook = props && props.onVnodeBeforeMount)) {
                    invokeVNodeHook(vnodeHook, parent, initialVNode);
                }
                toggleRecurse(instance, true);
                if (el && hydrateNode) {
                    // vnode has adopted host node - perform hydration instead of mount.
                    const hydrateSubTree = () => {
                        {
                            startMeasure(instance, `render`);
                        }
                        instance.subTree = renderComponentRoot(instance);
                        {
                            endMeasure(instance, `render`);
                        }
                        {
                            startMeasure(instance, `hydrate`);
                        }
                        hydrateNode(el, instance.subTree, instance, parentSuspense, null);
                        {
                            endMeasure(instance, `hydrate`);
                        }
                    };
                    if (isAsyncWrapperVNode) {
                        initialVNode.type.__asyncLoader().then(
                        // note: we are moving the render call into an async callback,
                        // which means it won't track dependencies - but it's ok because
                        // a server-rendered async wrapper is already in resolved state
                        // and it will never need to change.
                        () => !instance.isUnmounted && hydrateSubTree());
                    }
                    else {
                        hydrateSubTree();
                    }
                }
                else {
                    {
                        startMeasure(instance, `render`);
                    }
                    const subTree = (instance.subTree = renderComponentRoot(instance));
                    {
                        endMeasure(instance, `render`);
                    }
                    {
                        startMeasure(instance, `patch`);
                    }
                    patch(null, subTree, container, anchor, instance, parentSuspense, isSVG);
                    {
                        endMeasure(instance, `patch`);
                    }
                    initialVNode.el = subTree.el;
                }
                // mounted hook
                if (m) {
                    queuePostRenderEffect(m, parentSuspense);
                }
                // onVnodeMounted
                if (!isAsyncWrapperVNode &&
                    (vnodeHook = props && props.onVnodeMounted)) {
                    const scopedInitialVNode = initialVNode;
                    queuePostRenderEffect(() => invokeVNodeHook(vnodeHook, parent, scopedInitialVNode), parentSuspense);
                }
                // activated hook for keep-alive roots.
                // #1742 activated hook must be accessed after first render
                // since the hook may be injected by a child keep-alive
                if (initialVNode.shapeFlag & 256 /* COMPONENT_SHOULD_KEEP_ALIVE */ ||
                    (parent &&
                        isAsyncWrapper(parent.vnode) &&
                        parent.vnode.shapeFlag & 256 /* COMPONENT_SHOULD_KEEP_ALIVE */)) {
                    instance.a && queuePostRenderEffect(instance.a, parentSuspense);
                }
                instance.isMounted = true;
                {
                    devtoolsComponentAdded(instance);
                }
                // #2458: deference mount-only object parameters to prevent memleaks
                initialVNode = container = anchor = null;
            }
            else {
                // updateComponent
                // This is triggered by mutation of component's own state (next: null)
                // OR parent calling processComponent (next: VNode)
                let { next, bu, u, parent, vnode } = instance;
                let originNext = next;
                let vnodeHook;
                {
                    pushWarningContext(next || instance.vnode);
                }
                // Disallow component effect recursion during pre-lifecycle hooks.
                toggleRecurse(instance, false);
                if (next) {
                    next.el = vnode.el;
                    updateComponentPreRender(instance, next, optimized);
                }
                else {
                    next = vnode;
                }
                // beforeUpdate hook
                if (bu) {
                    invokeArrayFns(bu);
                }
                // onVnodeBeforeUpdate
                if ((vnodeHook = next.props && next.props.onVnodeBeforeUpdate)) {
                    invokeVNodeHook(vnodeHook, parent, next, vnode);
                }
                toggleRecurse(instance, true);
                // render
                {
                    startMeasure(instance, `render`);
                }
                const nextTree = renderComponentRoot(instance);
                {
                    endMeasure(instance, `render`);
                }
                const prevTree = instance.subTree;
                instance.subTree = nextTree;
                {
                    startMeasure(instance, `patch`);
                }
                patch(prevTree, nextTree, 
                // parent may have changed if it's in a teleport
                hostParentNode(prevTree.el), 
                // anchor may have changed if it's in a fragment
                getNextHostNode(prevTree), instance, parentSuspense, isSVG);
                {
                    endMeasure(instance, `patch`);
                }
                next.el = nextTree.el;
                if (originNext === null) {
                    // self-triggered update. In case of HOC, update parent component
                    // vnode el. HOC is indicated by parent instance's subTree pointing
                    // to child component's vnode
                    updateHOCHostEl(instance, nextTree.el);
                }
                // updated hook
                if (u) {
                    queuePostRenderEffect(u, parentSuspense);
                }
                // onVnodeUpdated
                if ((vnodeHook = next.props && next.props.onVnodeUpdated)) {
                    queuePostRenderEffect(() => invokeVNodeHook(vnodeHook, parent, next, vnode), parentSuspense);
                }
                {
                    devtoolsComponentUpdated(instance);
                }
                {
                    popWarningContext();
                }
            }
        };
        // create reactive effect for rendering
        const effect = (instance.effect = new ReactiveEffect(componentUpdateFn, () => queueJob(update), instance.scope // track it in component's effect scope
        ));
        const update = (instance.update = () => effect.run());
        update.id = instance.uid;
        // allowRecurse
        // #1801, #2043 component render effects should allow recursive updates
        toggleRecurse(instance, true);
        {
            effect.onTrack = instance.rtc
                ? e => invokeArrayFns(instance.rtc, e)
                : void 0;
            effect.onTrigger = instance.rtg
                ? e => invokeArrayFns(instance.rtg, e)
                : void 0;
            update.ownerInstance = instance;
        }
        update();
    };
    const updateComponentPreRender = (instance, nextVNode, optimized) => {
        nextVNode.component = instance;
        const prevProps = instance.vnode.props;
        instance.vnode = nextVNode;
        instance.next = null;
        updateProps(instance, nextVNode.props, prevProps, optimized);
        updateSlots(instance, nextVNode.children, optimized);
        pauseTracking();
        // props update may have triggered pre-flush watchers.
        // flush them before the render update.
        flushPreFlushCbs(undefined, instance.update);
        resetTracking();
    };
    const patchChildren = (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized = false) => {
        const c1 = n1 && n1.children;
        const prevShapeFlag = n1 ? n1.shapeFlag : 0;
        const c2 = n2.children;
        const { patchFlag, shapeFlag } = n2;
        // fast path
        if (patchFlag > 0) {
            if (patchFlag & 128 /* KEYED_FRAGMENT */) {
                // this could be either fully-keyed or mixed (some keyed some not)
                // presence of patchFlag means children are guaranteed to be arrays
                patchKeyedChildren(c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                return;
            }
            else if (patchFlag & 256 /* UNKEYED_FRAGMENT */) {
                // unkeyed
                patchUnkeyedChildren(c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                return;
            }
        }
        // children has 3 possibilities: text, array or no children.
        if (shapeFlag & 8 /* TEXT_CHILDREN */) {
            // text children fast path
            if (prevShapeFlag & 16 /* ARRAY_CHILDREN */) {
                unmountChildren(c1, parentComponent, parentSuspense);
            }
            if (c2 !== c1) {
                hostSetElementText(container, c2);
            }
        }
        else {
            if (prevShapeFlag & 16 /* ARRAY_CHILDREN */) {
                // prev children was array
                if (shapeFlag & 16 /* ARRAY_CHILDREN */) {
                    // two arrays, cannot assume anything, do full diff
                    patchKeyedChildren(c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                }
                else {
                    // no new children, just unmount old
                    unmountChildren(c1, parentComponent, parentSuspense, true);
                }
            }
            else {
                // prev children was text OR null
                // new children is array OR null
                if (prevShapeFlag & 8 /* TEXT_CHILDREN */) {
                    hostSetElementText(container, '');
                }
                // mount new if array
                if (shapeFlag & 16 /* ARRAY_CHILDREN */) {
                    mountChildren(c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                }
            }
        }
    };
    const patchUnkeyedChildren = (c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
        c1 = c1 || EMPTY_ARR;
        c2 = c2 || EMPTY_ARR;
        const oldLength = c1.length;
        const newLength = c2.length;
        const commonLength = Math.min(oldLength, newLength);
        let i;
        for (i = 0; i < commonLength; i++) {
            const nextChild = (c2[i] = optimized
                ? cloneIfMounted(c2[i])
                : normalizeVNode(c2[i]));
            patch(c1[i], nextChild, container, null, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        }
        if (oldLength > newLength) {
            // remove old
            unmountChildren(c1, parentComponent, parentSuspense, true, false, commonLength);
        }
        else {
            // mount new
            mountChildren(c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, commonLength);
        }
    };
    // can be all-keyed or mixed
    const patchKeyedChildren = (c1, c2, container, parentAnchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
        let i = 0;
        const l2 = c2.length;
        let e1 = c1.length - 1; // prev ending index
        let e2 = l2 - 1; // next ending index
        // 1. sync from start
        // (a b) c
        // (a b) d e
        while (i <= e1 && i <= e2) {
            const n1 = c1[i];
            const n2 = (c2[i] = optimized
                ? cloneIfMounted(c2[i])
                : normalizeVNode(c2[i]));
            if (isSameVNodeType(n1, n2)) {
                patch(n1, n2, container, null, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
            }
            else {
                break;
            }
            i++;
        }
        // 2. sync from end
        // a (b c)
        // d e (b c)
        while (i <= e1 && i <= e2) {
            const n1 = c1[e1];
            const n2 = (c2[e2] = optimized
                ? cloneIfMounted(c2[e2])
                : normalizeVNode(c2[e2]));
            if (isSameVNodeType(n1, n2)) {
                patch(n1, n2, container, null, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
            }
            else {
                break;
            }
            e1--;
            e2--;
        }
        // 3. common sequence + mount
        // (a b)
        // (a b) c
        // i = 2, e1 = 1, e2 = 2
        // (a b)
        // c (a b)
        // i = 0, e1 = -1, e2 = 0
        if (i > e1) {
            if (i <= e2) {
                const nextPos = e2 + 1;
                const anchor = nextPos < l2 ? c2[nextPos].el : parentAnchor;
                while (i <= e2) {
                    patch(null, (c2[i] = optimized
                        ? cloneIfMounted(c2[i])
                        : normalizeVNode(c2[i])), container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                    i++;
                }
            }
        }
        // 4. common sequence + unmount
        // (a b) c
        // (a b)
        // i = 2, e1 = 2, e2 = 1
        // a (b c)
        // (b c)
        // i = 0, e1 = 0, e2 = -1
        else if (i > e2) {
            while (i <= e1) {
                unmount(c1[i], parentComponent, parentSuspense, true);
                i++;
            }
        }
        // 5. unknown sequence
        // [i ... e1 + 1]: a b [c d e] f g
        // [i ... e2 + 1]: a b [e d c h] f g
        // i = 2, e1 = 4, e2 = 5
        else {
            const s1 = i; // prev starting index
            const s2 = i; // next starting index
            // 5.1 build key:index map for newChildren
            const keyToNewIndexMap = new Map();
            for (i = s2; i <= e2; i++) {
                const nextChild = (c2[i] = optimized
                    ? cloneIfMounted(c2[i])
                    : normalizeVNode(c2[i]));
                if (nextChild.key != null) {
                    if (keyToNewIndexMap.has(nextChild.key)) {
                        warn$1(`Duplicate keys found during update:`, JSON.stringify(nextChild.key), `Make sure keys are unique.`);
                    }
                    keyToNewIndexMap.set(nextChild.key, i);
                }
            }
            // 5.2 loop through old children left to be patched and try to patch
            // matching nodes & remove nodes that are no longer present
            let j;
            let patched = 0;
            const toBePatched = e2 - s2 + 1;
            let moved = false;
            // used to track whether any node has moved
            let maxNewIndexSoFar = 0;
            // works as Map<newIndex, oldIndex>
            // Note that oldIndex is offset by +1
            // and oldIndex = 0 is a special value indicating the new node has
            // no corresponding old node.
            // used for determining longest stable subsequence
            const newIndexToOldIndexMap = new Array(toBePatched);
            for (i = 0; i < toBePatched; i++)
                newIndexToOldIndexMap[i] = 0;
            for (i = s1; i <= e1; i++) {
                const prevChild = c1[i];
                if (patched >= toBePatched) {
                    // all new children have been patched so this can only be a removal
                    unmount(prevChild, parentComponent, parentSuspense, true);
                    continue;
                }
                let newIndex;
                if (prevChild.key != null) {
                    newIndex = keyToNewIndexMap.get(prevChild.key);
                }
                else {
                    // key-less node, try to locate a key-less node of the same type
                    for (j = s2; j <= e2; j++) {
                        if (newIndexToOldIndexMap[j - s2] === 0 &&
                            isSameVNodeType(prevChild, c2[j])) {
                            newIndex = j;
                            break;
                        }
                    }
                }
                if (newIndex === undefined) {
                    unmount(prevChild, parentComponent, parentSuspense, true);
                }
                else {
                    newIndexToOldIndexMap[newIndex - s2] = i + 1;
                    if (newIndex >= maxNewIndexSoFar) {
                        maxNewIndexSoFar = newIndex;
                    }
                    else {
                        moved = true;
                    }
                    patch(prevChild, c2[newIndex], container, null, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                    patched++;
                }
            }
            // 5.3 move and mount
            // generate longest stable subsequence only when nodes have moved
            const increasingNewIndexSequence = moved
                ? getSequence(newIndexToOldIndexMap)
                : EMPTY_ARR;
            j = increasingNewIndexSequence.length - 1;
            // looping backwards so that we can use last patched node as anchor
            for (i = toBePatched - 1; i >= 0; i--) {
                const nextIndex = s2 + i;
                const nextChild = c2[nextIndex];
                const anchor = nextIndex + 1 < l2 ? c2[nextIndex + 1].el : parentAnchor;
                if (newIndexToOldIndexMap[i] === 0) {
                    // mount new
                    patch(null, nextChild, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                }
                else if (moved) {
                    // move if:
                    // There is no stable subsequence (e.g. a reverse)
                    // OR current node is not among the stable sequence
                    if (j < 0 || i !== increasingNewIndexSequence[j]) {
                        move(nextChild, container, anchor, 2 /* REORDER */);
                    }
                    else {
                        j--;
                    }
                }
            }
        }
    };
    const move = (vnode, container, anchor, moveType, parentSuspense = null) => {
        const { el, type, transition, children, shapeFlag } = vnode;
        if (shapeFlag & 6 /* COMPONENT */) {
            move(vnode.component.subTree, container, anchor, moveType);
            return;
        }
        if (shapeFlag & 128 /* SUSPENSE */) {
            vnode.suspense.move(container, anchor, moveType);
            return;
        }
        if (shapeFlag & 64 /* TELEPORT */) {
            type.move(vnode, container, anchor, internals);
            return;
        }
        if (type === Fragment) {
            hostInsert(el, container, anchor);
            for (let i = 0; i < children.length; i++) {
                move(children[i], container, anchor, moveType);
            }
            hostInsert(vnode.anchor, container, anchor);
            return;
        }
        if (type === Static) {
            moveStaticNode(vnode, container, anchor);
            return;
        }
        // single nodes
        const needTransition = moveType !== 2 /* REORDER */ &&
            shapeFlag & 1 /* ELEMENT */ &&
            transition;
        if (needTransition) {
            if (moveType === 0 /* ENTER */) {
                transition.beforeEnter(el);
                hostInsert(el, container, anchor);
                queuePostRenderEffect(() => transition.enter(el), parentSuspense);
            }
            else {
                const { leave, delayLeave, afterLeave } = transition;
                const remove = () => hostInsert(el, container, anchor);
                const performLeave = () => {
                    leave(el, () => {
                        remove();
                        afterLeave && afterLeave();
                    });
                };
                if (delayLeave) {
                    delayLeave(el, remove, performLeave);
                }
                else {
                    performLeave();
                }
            }
        }
        else {
            hostInsert(el, container, anchor);
        }
    };
    const unmount = (vnode, parentComponent, parentSuspense, doRemove = false, optimized = false) => {
        const { type, props, ref, children, dynamicChildren, shapeFlag, patchFlag, dirs } = vnode;
        // unset ref
        if (ref != null) {
            setRef(ref, null, parentSuspense, vnode, true);
        }
        if (shapeFlag & 256 /* COMPONENT_SHOULD_KEEP_ALIVE */) {
            parentComponent.ctx.deactivate(vnode);
            return;
        }
        const shouldInvokeDirs = shapeFlag & 1 /* ELEMENT */ && dirs;
        const shouldInvokeVnodeHook = !isAsyncWrapper(vnode);
        let vnodeHook;
        if (shouldInvokeVnodeHook &&
            (vnodeHook = props && props.onVnodeBeforeUnmount)) {
            invokeVNodeHook(vnodeHook, parentComponent, vnode);
        }
        if (shapeFlag & 6 /* COMPONENT */) {
            unmountComponent(vnode.component, parentSuspense, doRemove);
        }
        else {
            if (shapeFlag & 128 /* SUSPENSE */) {
                vnode.suspense.unmount(parentSuspense, doRemove);
                return;
            }
            if (shouldInvokeDirs) {
                invokeDirectiveHook(vnode, null, parentComponent, 'beforeUnmount');
            }
            if (shapeFlag & 64 /* TELEPORT */) {
                vnode.type.remove(vnode, parentComponent, parentSuspense, optimized, internals, doRemove);
            }
            else if (dynamicChildren &&
                // #1153: fast path should not be taken for non-stable (v-for) fragments
                (type !== Fragment ||
                    (patchFlag > 0 && patchFlag & 64 /* STABLE_FRAGMENT */))) {
                // fast path for block nodes: only need to unmount dynamic children.
                unmountChildren(dynamicChildren, parentComponent, parentSuspense, false, true);
            }
            else if ((type === Fragment &&
                patchFlag &
                    (128 /* KEYED_FRAGMENT */ | 256 /* UNKEYED_FRAGMENT */)) ||
                (!optimized && shapeFlag & 16 /* ARRAY_CHILDREN */)) {
                unmountChildren(children, parentComponent, parentSuspense);
            }
            if (doRemove) {
                remove(vnode);
            }
        }
        if ((shouldInvokeVnodeHook &&
            (vnodeHook = props && props.onVnodeUnmounted)) ||
            shouldInvokeDirs) {
            queuePostRenderEffect(() => {
                vnodeHook && invokeVNodeHook(vnodeHook, parentComponent, vnode);
                shouldInvokeDirs &&
                    invokeDirectiveHook(vnode, null, parentComponent, 'unmounted');
            }, parentSuspense);
        }
    };
    const remove = vnode => {
        const { type, el, anchor, transition } = vnode;
        if (type === Fragment) {
            if (vnode.patchFlag > 0 &&
                vnode.patchFlag & 2048 /* DEV_ROOT_FRAGMENT */ &&
                transition &&
                !transition.persisted) {
                vnode.children.forEach(child => {
                    if (child.type === Comment) {
                        hostRemove(child.el);
                    }
                    else {
                        remove(child);
                    }
                });
            }
            else {
                removeFragment(el, anchor);
            }
            return;
        }
        if (type === Static) {
            removeStaticNode(vnode);
            return;
        }
        const performRemove = () => {
            hostRemove(el);
            if (transition && !transition.persisted && transition.afterLeave) {
                transition.afterLeave();
            }
        };
        if (vnode.shapeFlag & 1 /* ELEMENT */ &&
            transition &&
            !transition.persisted) {
            const { leave, delayLeave } = transition;
            const performLeave = () => leave(el, performRemove);
            if (delayLeave) {
                delayLeave(vnode.el, performRemove, performLeave);
            }
            else {
                performLeave();
            }
        }
        else {
            performRemove();
        }
    };
    const removeFragment = (cur, end) => {
        // For fragments, directly remove all contained DOM nodes.
        // (fragment child nodes cannot have transition)
        let next;
        while (cur !== end) {
            next = hostNextSibling(cur);
            hostRemove(cur);
            cur = next;
        }
        hostRemove(end);
    };
    const unmountComponent = (instance, parentSuspense, doRemove) => {
        if (instance.type.__hmrId) {
            unregisterHMR(instance);
        }
        const { bum, scope, update, subTree, um } = instance;
        // beforeUnmount hook
        if (bum) {
            invokeArrayFns(bum);
        }
        // stop effects in component scope
        scope.stop();
        // update may be null if a component is unmounted before its async
        // setup has resolved.
        if (update) {
            // so that scheduler will no longer invoke it
            update.active = false;
            unmount(subTree, instance, parentSuspense, doRemove);
        }
        // unmounted hook
        if (um) {
            queuePostRenderEffect(um, parentSuspense);
        }
        queuePostRenderEffect(() => {
            instance.isUnmounted = true;
        }, parentSuspense);
        // A component with async dep inside a pending suspense is unmounted before
        // its async dep resolves. This should remove the dep from the suspense, and
        // cause the suspense to resolve immediately if that was the last dep.
        if (parentSuspense &&
            parentSuspense.pendingBranch &&
            !parentSuspense.isUnmounted &&
            instance.asyncDep &&
            !instance.asyncResolved &&
            instance.suspenseId === parentSuspense.pendingId) {
            parentSuspense.deps--;
            if (parentSuspense.deps === 0) {
                parentSuspense.resolve();
            }
        }
        {
            devtoolsComponentRemoved(instance);
        }
    };
    const unmountChildren = (children, parentComponent, parentSuspense, doRemove = false, optimized = false, start = 0) => {
        for (let i = start; i < children.length; i++) {
            unmount(children[i], parentComponent, parentSuspense, doRemove, optimized);
        }
    };
    const getNextHostNode = vnode => {
        if (vnode.shapeFlag & 6 /* COMPONENT */) {
            return getNextHostNode(vnode.component.subTree);
        }
        if (vnode.shapeFlag & 128 /* SUSPENSE */) {
            return vnode.suspense.next();
        }
        return hostNextSibling((vnode.anchor || vnode.el));
    };
    const render = (vnode, container, isSVG) => {
        if (vnode == null) {
            if (container._vnode) {
                unmount(container._vnode, null, null, true);
            }
        }
        else {
            patch(container._vnode || null, vnode, container, null, null, null, isSVG);
        }
        flushPostFlushCbs();
        container._vnode = vnode;
    };
    const internals = {
        p: patch,
        um: unmount,
        m: move,
        r: remove,
        mt: mountComponent,
        mc: mountChildren,
        pc: patchChildren,
        pbc: patchBlockChildren,
        n: getNextHostNode,
        o: options
    };
    let hydrate;
    let hydrateNode;
    if (createHydrationFns) {
        [hydrate, hydrateNode] = createHydrationFns(internals);
    }
    return {
        render,
        hydrate,
        createApp: createAppAPI(render, hydrate)
    };
}
function toggleRecurse({ effect, update }, allowed) {
    effect.allowRecurse = update.allowRecurse = allowed;
}
/**
 * #1156
 * When a component is HMR-enabled, we need to make sure that all static nodes
 * inside a block also inherit the DOM element from the previous tree so that
 * HMR updates (which are full updates) can retrieve the element for patching.
 *
 * #2080
 * Inside keyed `template` fragment static children, if a fragment is moved,
 * the children will always be moved. Therefore, in order to ensure correct move
 * position, el should be inherited from previous nodes.
 */
function traverseStaticChildren(n1, n2, shallow = false) {
    const ch1 = n1.children;
    const ch2 = n2.children;
    if (isArray(ch1) && isArray(ch2)) {
        for (let i = 0; i < ch1.length; i++) {
            // this is only called in the optimized path so array children are
            // guaranteed to be vnodes
            const c1 = ch1[i];
            let c2 = ch2[i];
            if (c2.shapeFlag & 1 /* ELEMENT */ && !c2.dynamicChildren) {
                if (c2.patchFlag <= 0 || c2.patchFlag === 32 /* HYDRATE_EVENTS */) {
                    c2 = ch2[i] = cloneIfMounted(ch2[i]);
                    c2.el = c1.el;
                }
                if (!shallow)
                    traverseStaticChildren(c1, c2);
            }
            // also inherit for comment nodes, but not placeholders (e.g. v-if which
            // would have received .el during block patch)
            if (c2.type === Comment && !c2.el) {
                c2.el = c1.el;
            }
        }
    }
}
// https://en.wikipedia.org/wiki/Longest_increasing_subsequence
function getSequence(arr) {
    const p = arr.slice();
    const result = [0];
    let i, j, u, v, c;
    const len = arr.length;
    for (i = 0; i < len; i++) {
        const arrI = arr[i];
        if (arrI !== 0) {
            j = result[result.length - 1];
            if (arr[j] < arrI) {
                p[i] = j;
                result.push(i);
                continue;
            }
            u = 0;
            v = result.length - 1;
            while (u < v) {
                c = (u + v) >> 1;
                if (arr[result[c]] < arrI) {
                    u = c + 1;
                }
                else {
                    v = c;
                }
            }
            if (arrI < arr[result[u]]) {
                if (u > 0) {
                    p[i] = result[u - 1];
                }
                result[u] = i;
            }
        }
    }
    u = result.length;
    v = result[u - 1];
    while (u-- > 0) {
        result[u] = v;
        v = p[v];
    }
    return result;
}

const isTeleport = (type) => type.__isTeleport;

const Fragment = Symbol('Fragment' );
const Text = Symbol('Text' );
const Comment = Symbol('Comment' );
const Static = Symbol('Static' );
// Since v-if and v-for are the two possible ways node structure can dynamically
// change, once we consider v-if branches and each v-for fragment a block, we
// can divide a template into nested blocks, and within each block the node
// structure would be stable. This allows us to skip most children diffing
// and only worry about the dynamic nodes (indicated by patch flags).
const blockStack = [];
let currentBlock = null;
// Whether we should be tracking dynamic child nodes inside a block.
// Only tracks when this value is > 0
// We are not using a simple boolean because this value may need to be
// incremented/decremented by nested usage of v-once (see below)
let isBlockTreeEnabled = 1;
/**
 * Block tracking sometimes needs to be disabled, for example during the
 * creation of a tree that needs to be cached by v-once. The compiler generates
 * code like this:
 *
 * ``` js
 * _cache[1] || (
 *   setBlockTracking(-1),
 *   _cache[1] = createVNode(...),
 *   setBlockTracking(1),
 *   _cache[1]
 * )
 * ```
 *
 * @private
 */
function setBlockTracking(value) {
    isBlockTreeEnabled += value;
}
function isVNode(value) {
    return value ? value.__v_isVNode === true : false;
}
function isSameVNodeType(n1, n2) {
    if (n2.shapeFlag & 6 /* COMPONENT */ &&
        hmrDirtyComponents.has(n2.type)) {
        // HMR only: if the component has been hot-updated, force a reload.
        return false;
    }
    return n1.type === n2.type && n1.key === n2.key;
}
const createVNodeWithArgsTransform = (...args) => {
    return _createVNode(...(args));
};
const InternalObjectKey = `__vInternal`;
const normalizeKey = ({ key }) => key != null ? key : null;
const normalizeRef = ({ ref, ref_key, ref_for }) => {
    return (ref != null
        ? isString(ref) || isRef(ref) || isFunction(ref)
            ? { i: currentRenderingInstance, r: ref, k: ref_key, f: !!ref_for }
            : ref
        : null);
};
function createBaseVNode(type, props = null, children = null, patchFlag = 0, dynamicProps = null, shapeFlag = type === Fragment ? 0 : 1 /* ELEMENT */, isBlockNode = false, needFullChildrenNormalization = false) {
    const vnode = {
        __v_isVNode: true,
        __v_skip: true,
        type,
        props,
        key: props && normalizeKey(props),
        ref: props && normalizeRef(props),
        scopeId: currentScopeId,
        slotScopeIds: null,
        children,
        component: null,
        suspense: null,
        ssContent: null,
        ssFallback: null,
        dirs: null,
        transition: null,
        el: null,
        anchor: null,
        target: null,
        targetAnchor: null,
        staticCount: 0,
        shapeFlag,
        patchFlag,
        dynamicProps,
        dynamicChildren: null,
        appContext: null
    };
    if (needFullChildrenNormalization) {
        normalizeChildren(vnode, children);
        // normalize suspense children
        if (shapeFlag & 128 /* SUSPENSE */) {
            type.normalize(vnode);
        }
    }
    else if (children) {
        // compiled element vnode - if children is passed, only possible types are
        // string or Array.
        vnode.shapeFlag |= isString(children)
            ? 8 /* TEXT_CHILDREN */
            : 16 /* ARRAY_CHILDREN */;
    }
    // validate key
    if (vnode.key !== vnode.key) {
        warn$1(`VNode created with invalid key (NaN). VNode type:`, vnode.type);
    }
    // track vnode for block tree
    if (isBlockTreeEnabled > 0 &&
        // avoid a block node from tracking itself
        !isBlockNode &&
        // has current parent block
        currentBlock &&
        // presence of a patch flag indicates this node needs patching on updates.
        // component nodes also should always be patched, because even if the
        // component doesn't need to update, it needs to persist the instance on to
        // the next vnode so that it can be properly unmounted later.
        (vnode.patchFlag > 0 || shapeFlag & 6 /* COMPONENT */) &&
        // the EVENTS flag is only for hydration and if it is the only flag, the
        // vnode should not be considered dynamic due to handler caching.
        vnode.patchFlag !== 32 /* HYDRATE_EVENTS */) {
        currentBlock.push(vnode);
    }
    return vnode;
}
const createVNode = (createVNodeWithArgsTransform );
function _createVNode(type, props = null, children = null, patchFlag = 0, dynamicProps = null, isBlockNode = false) {
    if (!type || type === NULL_DYNAMIC_COMPONENT) {
        if (!type) {
            warn$1(`Invalid vnode type when creating vnode: ${type}.`);
        }
        type = Comment;
    }
    if (isVNode(type)) {
        // createVNode receiving an existing vnode. This happens in cases like
        // <component :is="vnode"/>
        // #2078 make sure to merge refs during the clone instead of overwriting it
        const cloned = cloneVNode(type, props, true /* mergeRef: true */);
        if (children) {
            normalizeChildren(cloned, children);
        }
        if (isBlockTreeEnabled > 0 && !isBlockNode && currentBlock) {
            if (cloned.shapeFlag & 6 /* COMPONENT */) {
                currentBlock[currentBlock.indexOf(type)] = cloned;
            }
            else {
                currentBlock.push(cloned);
            }
        }
        cloned.patchFlag |= -2 /* BAIL */;
        return cloned;
    }
    // class component normalization.
    if (isClassComponent(type)) {
        type = type.__vccOpts;
    }
    // class & style normalization.
    if (props) {
        // for reactive or proxy objects, we need to clone it to enable mutation.
        props = guardReactiveProps(props);
        let { class: klass, style } = props;
        if (klass && !isString(klass)) {
            props.class = normalizeClass(klass);
        }
        if (isObject(style)) {
            // reactive state objects need to be cloned since they are likely to be
            // mutated
            if (isProxy(style) && !isArray(style)) {
                style = extend({}, style);
            }
            props.style = normalizeStyle(style);
        }
    }
    // encode the vnode type information into a bitmap
    const shapeFlag = isString(type)
        ? 1 /* ELEMENT */
        : isSuspense(type)
            ? 128 /* SUSPENSE */
            : isTeleport(type)
                ? 64 /* TELEPORT */
                : isObject(type)
                    ? 4 /* STATEFUL_COMPONENT */
                    : isFunction(type)
                        ? 2 /* FUNCTIONAL_COMPONENT */
                        : 0;
    if (shapeFlag & 4 /* STATEFUL_COMPONENT */ && isProxy(type)) {
        type = toRaw(type);
        warn$1(`Vue received a Component which was made a reactive object. This can ` +
            `lead to unnecessary performance overhead, and should be avoided by ` +
            `marking the component with \`markRaw\` or using \`shallowRef\` ` +
            `instead of \`ref\`.`, `\nComponent that was made reactive: `, type);
    }
    return createBaseVNode(type, props, children, patchFlag, dynamicProps, shapeFlag, isBlockNode, true);
}
function guardReactiveProps(props) {
    if (!props)
        return null;
    return isProxy(props) || InternalObjectKey in props
        ? extend({}, props)
        : props;
}
function cloneVNode(vnode, extraProps, mergeRef = false) {
    // This is intentionally NOT using spread or extend to avoid the runtime
    // key enumeration cost.
    const { props, ref, patchFlag, children } = vnode;
    const mergedProps = extraProps ? mergeProps(props || {}, extraProps) : props;
    const cloned = {
        __v_isVNode: true,
        __v_skip: true,
        type: vnode.type,
        props: mergedProps,
        key: mergedProps && normalizeKey(mergedProps),
        ref: extraProps && extraProps.ref
            ? // #2078 in the case of <component :is="vnode" ref="extra"/>
                // if the vnode itself already has a ref, cloneVNode will need to merge
                // the refs so the single vnode can be set on multiple refs
                mergeRef && ref
                    ? isArray(ref)
                        ? ref.concat(normalizeRef(extraProps))
                        : [ref, normalizeRef(extraProps)]
                    : normalizeRef(extraProps)
            : ref,
        scopeId: vnode.scopeId,
        slotScopeIds: vnode.slotScopeIds,
        children: patchFlag === -1 /* HOISTED */ && isArray(children)
            ? children.map(deepCloneVNode)
            : children,
        target: vnode.target,
        targetAnchor: vnode.targetAnchor,
        staticCount: vnode.staticCount,
        shapeFlag: vnode.shapeFlag,
        // if the vnode is cloned with extra props, we can no longer assume its
        // existing patch flag to be reliable and need to add the FULL_PROPS flag.
        // note: preserve flag for fragments since they use the flag for children
        // fast paths only.
        patchFlag: extraProps && vnode.type !== Fragment
            ? patchFlag === -1 // hoisted node
                ? 16 /* FULL_PROPS */
                : patchFlag | 16 /* FULL_PROPS */
            : patchFlag,
        dynamicProps: vnode.dynamicProps,
        dynamicChildren: vnode.dynamicChildren,
        appContext: vnode.appContext,
        dirs: vnode.dirs,
        transition: vnode.transition,
        // These should technically only be non-null on mounted VNodes. However,
        // they *should* be copied for kept-alive vnodes. So we just always copy
        // them since them being non-null during a mount doesn't affect the logic as
        // they will simply be overwritten.
        component: vnode.component,
        suspense: vnode.suspense,
        ssContent: vnode.ssContent && cloneVNode(vnode.ssContent),
        ssFallback: vnode.ssFallback && cloneVNode(vnode.ssFallback),
        el: vnode.el,
        anchor: vnode.anchor
    };
    return cloned;
}
/**
 * Dev only, for HMR of hoisted vnodes reused in v-for
 * https://github.com/vitejs/vite/issues/2022
 */
function deepCloneVNode(vnode) {
    const cloned = cloneVNode(vnode);
    if (isArray(vnode.children)) {
        cloned.children = vnode.children.map(deepCloneVNode);
    }
    return cloned;
}
/**
 * @private
 */
function createTextVNode(text = ' ', flag = 0) {
    return createVNode(Text, null, text, flag);
}
function normalizeVNode(child) {
    if (child == null || typeof child === 'boolean') {
        // empty placeholder
        return createVNode(Comment);
    }
    else if (isArray(child)) {
        // fragment
        return createVNode(Fragment, null, 
        // #3666, avoid reference pollution when reusing vnode
        child.slice());
    }
    else if (typeof child === 'object') {
        // already vnode, this should be the most common since compiled templates
        // always produce all-vnode children arrays
        return cloneIfMounted(child);
    }
    else {
        // strings and numbers
        return createVNode(Text, null, String(child));
    }
}
// optimized normalization for template-compiled render fns
function cloneIfMounted(child) {
    return child.el === null || child.memo ? child : cloneVNode(child);
}
function normalizeChildren(vnode, children) {
    let type = 0;
    const { shapeFlag } = vnode;
    if (children == null) {
        children = null;
    }
    else if (isArray(children)) {
        type = 16 /* ARRAY_CHILDREN */;
    }
    else if (typeof children === 'object') {
        if (shapeFlag & (1 /* ELEMENT */ | 64 /* TELEPORT */)) {
            // Normalize slot to plain children for plain element and Teleport
            const slot = children.default;
            if (slot) {
                // _c marker is added by withCtx() indicating this is a compiled slot
                slot._c && (slot._d = false);
                normalizeChildren(vnode, slot());
                slot._c && (slot._d = true);
            }
            return;
        }
        else {
            type = 32 /* SLOTS_CHILDREN */;
            const slotFlag = children._;
            if (!slotFlag && !(InternalObjectKey in children)) {
                children._ctx = currentRenderingInstance;
            }
            else if (slotFlag === 3 /* FORWARDED */ && currentRenderingInstance) {
                // a child component receives forwarded slots from the parent.
                // its slot type is determined by its parent's slot type.
                if (currentRenderingInstance.slots._ === 1 /* STABLE */) {
                    children._ = 1 /* STABLE */;
                }
                else {
                    children._ = 2 /* DYNAMIC */;
                    vnode.patchFlag |= 1024 /* DYNAMIC_SLOTS */;
                }
            }
        }
    }
    else if (isFunction(children)) {
        children = { default: children, _ctx: currentRenderingInstance };
        type = 32 /* SLOTS_CHILDREN */;
    }
    else {
        children = String(children);
        // force teleport children to array so it can be moved around
        if (shapeFlag & 64 /* TELEPORT */) {
            type = 16 /* ARRAY_CHILDREN */;
            children = [createTextVNode(children)];
        }
        else {
            type = 8 /* TEXT_CHILDREN */;
        }
    }
    vnode.children = children;
    vnode.shapeFlag |= type;
}
function mergeProps(...args) {
    const ret = {};
    for (let i = 0; i < args.length; i++) {
        const toMerge = args[i];
        for (const key in toMerge) {
            if (key === 'class') {
                if (ret.class !== toMerge.class) {
                    ret.class = normalizeClass([ret.class, toMerge.class]);
                }
            }
            else if (key === 'style') {
                ret.style = normalizeStyle([ret.style, toMerge.style]);
            }
            else if (isOn(key)) {
                const existing = ret[key];
                const incoming = toMerge[key];
                if (incoming &&
                    existing !== incoming &&
                    !(isArray(existing) && existing.includes(incoming))) {
                    ret[key] = existing
                        ? [].concat(existing, incoming)
                        : incoming;
                }
            }
            else if (key !== '') {
                ret[key] = toMerge[key];
            }
        }
    }
    return ret;
}
function invokeVNodeHook(hook, instance, vnode, prevVNode = null) {
    callWithAsyncErrorHandling(hook, instance, 7 /* VNODE_HOOK */, [
        vnode,
        prevVNode
    ]);
}

const emptyAppContext = createAppContext();
let uid$1 = 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$1++,
        vnode,
        type,
        parent,
        appContext,
        root: null,
        next: null,
        subTree: null,
        effect: null,
        update: null,
        scope: new EffectScope(true /* detached */),
        render: null,
        proxy: null,
        exposed: null,
        exposeProxy: null,
        withProxy: null,
        provides: parent ? parent.provides : Object.create(appContext.provides),
        accessCache: null,
        renderCache: [],
        // local resolved assets
        components: null,
        directives: null,
        // resolved props and emits options
        propsOptions: normalizePropsOptions(type, appContext),
        emitsOptions: normalizeEmitsOptions(type, appContext),
        // emit
        emit: null,
        emitted: null,
        // props default value
        propsDefaults: EMPTY_OBJ,
        // inheritAttrs
        inheritAttrs: type.inheritAttrs,
        // 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,
        sp: null
    };
    {
        instance.ctx = createDevRenderContext(instance);
    }
    instance.root = parent ? parent.root : instance;
    instance.emit = emit$1.bind(null, instance);
    // apply custom element special handling
    if (vnode.ce) {
        vnode.ce(instance);
    }
    return instance;
}
let currentInstance = null;
const setCurrentInstance = (instance) => {
    currentInstance = instance;
    instance.scope.on();
};
const unsetCurrentInstance = () => {
    currentInstance && currentInstance.scope.off();
    currentInstance = null;
};
const isBuiltInTag = /*#__PURE__*/ makeMap('slot,component');
function validateComponentName(name, config) {
    const appIsNativeTag = config.isNativeTag || NO;
    if (isBuiltInTag(name) || appIsNativeTag(name)) {
        warn$1('Do not use built-in or reserved HTML elements as component id: ' + name);
    }
}
function isStatefulComponent(instance) {
    return instance.vnode.shapeFlag & 4 /* STATEFUL_COMPONENT */;
}
let isInSSRComponentSetup = false;
function setupComponent(instance, isSSR = false) {
    isInSSRComponentSetup = isSSR;
    const { props, children } = instance.vnode;
    const isStateful = isStatefulComponent(instance);
    initProps(instance, props, isStateful, isSSR);
    initSlots(instance, children);
    const setupResult = isStateful
        ? setupStatefulComponent(instance, isSSR)
        : undefined;
    isInSSRComponentSetup = false;
    return setupResult;
}
function setupStatefulComponent(instance, isSSR) {
    var _a;
    const Component = instance.type;
    {
        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]);
            }
        }
        if (Component.compilerOptions && isRuntimeOnly()) {
            warn$1(`"compilerOptions" is only supported when using a build of Vue that ` +
                `includes the runtime compiler. Since you are using a runtime-only ` +
                `build, the options should be passed via your build tool config instead.`);
        }
    }
    // 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 = markRaw(new Proxy(instance.ctx, PublicInstanceProxyHandlers));
    {
        exposePropsOnRenderContext(instance);
    }
    // 2. call setup()
    const { setup } = Component;
    if (setup) {
        const setupContext = (instance.setupContext =
            setup.length > 1 ? createSetupContext(instance) : null);
        setCurrentInstance(instance);
        pauseTracking();
        const setupResult = callWithErrorHandling(setup, instance, 0 /* SETUP_FUNCTION */, [shallowReadonly(instance.props) , setupContext]);
        resetTracking();
        unsetCurrentInstance();
        if (isPromise(setupResult)) {
            setupResult.then(unsetCurrentInstance, unsetCurrentInstance);
            if (isSSR) {
                // return the promise so server-renderer can wait on it
                return setupResult
                    .then((resolvedResult) => {
                    handleSetupResult(instance, resolvedResult, isSSR);
                })
                    .catch(e => {
                    handleError(e, instance, 0 /* SETUP_FUNCTION */);
                });
            }
            else {
                // async setup returned Promise.
                // bail here and wait for re-entry.
                instance.asyncDep = setupResult;
                if (!instance.suspense) {
                    const name = (_a = Component.name) !== null && _a !== void 0 ? _a : 'Anonymous';
                    warn$1(`Component <${name}>: setup function returned a promise, but no ` +
                        `<Suspense> boundary was found in the parent component tree. ` +
                        `A component with async setup() must be nested in a <Suspense> ` +
                        `in order to be rendered.`);
                }
            }
        }
        else {
            handleSetupResult(instance, setupResult, isSSR);
        }
    }
    else {
        finishComponentSetup(instance, isSSR);
    }
}
function handleSetupResult(instance, setupResult, isSSR) {
    if (isFunction(setupResult)) {
        // setup returned an inline render function
        if (instance.type.__ssrInlineRender) {
            // when the function's name is `ssrRender` (compiled by SFC inline mode),
            // set it as ssrRender instead.
            instance.ssrRender = setupResult;
        }
        else {
            instance.render = setupResult;
        }
    }
    else if (isObject(setupResult)) {
        if (isVNode(setupResult)) {
            warn$1(`setup() should not return VNodes directly - ` +
                `return a render function instead.`);
        }
        // setup returned bindings.
        // assuming a render function compiled from template is present.
        {
            instance.devtoolsRawSetupState = setupResult;
        }
        instance.setupState = proxyRefs(setupResult);
        {
            exposeSetupStateOnRenderContext(instance);
        }
    }
    else if (setupResult !== undefined) {
        warn$1(`setup() should return an object. Received: ${setupResult === null ? 'null' : typeof setupResult}`);
    }
    finishComponentSetup(instance, isSSR);
}
let compile;
// dev only
const isRuntimeOnly = () => !compile;
function finishComponentSetup(instance, isSSR, skipOptions) {
    const Component = instance.type;
    // template / render function normalization
    // could be already set when returned from setup()
    if (!instance.render) {
        // only do on-the-fly compile if not in SSR - SSR on-the-fly compilation
        // is done by server-renderer
        if (!isSSR && compile && !Component.render) {
            const template = Component.template;
            if (template) {
                {
                    startMeasure(instance, `compile`);
                }
                const { isCustomElement, compilerOptions } = instance.appContext.config;
                const { delimiters, compilerOptions: componentCompilerOptions } = Component;
                extend(extend({
                    isCustomElement,
                    delimiters
                }, compilerOptions), componentCompilerOptions);
                Component.render = compile();
                {
                    endMeasure(instance, `compile`);
                }
            }
        }
        instance.render = (Component.render || NOOP);
    }
    // support for 2.x options
    {
        setCurrentInstance(instance);
        pauseTracking();
        applyOptions(instance);
        resetTracking();
        unsetCurrentInstance();
    }
    // warn missing template/render
    // the runtime compilation of template in SSR is done by server-render
    if (!Component.render && instance.render === NOOP && !isSSR) {
        /* istanbul ignore if */
        if (Component.template) {
            warn$1(`Component provided template option but ` +
                `runtime compilation is not supported in this build of Vue.` +
                (` Use "vue.esm-browser.js" instead.`
                        ) /* should not happen */);
        }
        else {
            warn$1(`Component is missing template or render function.`);
        }
    }
}
function createAttrsProxy(instance) {
    return new Proxy(instance.attrs, {
            get(target, key) {
                markAttrsAccessed();
                track(instance, "get" /* GET */, '$attrs');
                return target[key];
            },
            set() {
                warn$1(`setupContext.attrs is readonly.`);
                return false;
            },
            deleteProperty() {
                warn$1(`setupContext.attrs is readonly.`);
                return false;
            }
        }
        );
}
function createSetupContext(instance) {
    const expose = exposed => {
        if (instance.exposed) {
            warn$1(`expose() should be called only once per setup().`);
        }
        instance.exposed = exposed || {};
    };
    let attrs;
    {
        // We use getters in dev in case libs like test-utils overwrite instance
        // properties (overwrites should not be done in prod)
        return Object.freeze({
            get attrs() {
                return attrs || (attrs = createAttrsProxy(instance));
            },
            get slots() {
                return shallowReadonly(instance.slots);
            },
            get emit() {
                return (event, ...args) => instance.emit(event, ...args);
            },
            expose
        });
    }
}
function getExposeProxy(instance) {
    if (instance.exposed) {
        return (instance.exposeProxy ||
            (instance.exposeProxy = new Proxy(proxyRefs(markRaw(instance.exposed)), {
                get(target, key) {
                    if (key in target) {
                        return target[key];
                    }
                    else if (key in publicPropertiesMap) {
                        return publicPropertiesMap[key](instance);
                    }
                }
            })));
    }
}
const classifyRE = /(?:^|[-_])(\w)/g;
const classify = (str) => str.replace(classifyRE, c => c.toUpperCase()).replace(/[-_]/g, '');
function getComponentName(Component, includeInferred = true) {
    return isFunction(Component)
        ? Component.displayName || Component.name
        : Component.name || (includeInferred && Component.__name);
}
/* istanbul ignore next */
function formatComponentName(instance, Component, isRoot = false) {
    let name = getComponentName(Component);
    if (!name && Component.__file) {
        const match = Component.__file.match(/([^/\\]+)\.\w+$/);
        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 isClassComponent(value) {
    return isFunction(value) && '__vccOpts' in value;
}

const computed$1 = ((getterOrOptions, debugOptions) => {
    // @ts-ignore
    return computed(getterOrOptions, debugOptions, isInSSRComponentSetup);
});

const ssrContextKey = Symbol(`ssrContext` );

// Core API ------------------------------------------------------------------
const version = "3.2.37";
const _ssrUtils = {
    createComponentInstance,
    setupComponent,
    renderComponentRoot,
    setCurrentRenderingInstance,
    isVNode,
    normalizeVNode
};
/**
 * SSR utils for \@vue/server-renderer. Only exposed in ssr-possible builds.
 * @internal
 */
const ssrUtils = (_ssrUtils );

const svgNS = 'http://www.w3.org/2000/svg';
const doc = (typeof document !== 'undefined' ? document : null);
const templateContainer = doc && /*#__PURE__*/ doc.createElement('template');
const nodeOps = {
    insert: (child, parent, anchor) => {
        parent.insertBefore(child, anchor || null);
    },
    remove: child => {
        const parent = child.parentNode;
        if (parent) {
            parent.removeChild(child);
        }
    },
    createElement: (tag, isSVG, is, props) => {
        const el = isSVG
            ? doc.createElementNS(svgNS, tag)
            : doc.createElement(tag, is ? { is } : undefined);
        if (tag === 'select' && props && props.multiple != null) {
            el.setAttribute('multiple', props.multiple);
        }
        return el;
    },
    createText: text => doc.createTextNode(text),
    createComment: text => doc.createComment(text),
    setText: (node, text) => {
        node.nodeValue = text;
    },
    setElementText: (el, text) => {
        el.textContent = text;
    },
    parentNode: node => node.parentNode,
    nextSibling: node => node.nextSibling,
    querySelector: selector => doc.querySelector(selector),
    setScopeId(el, id) {
        el.setAttribute(id, '');
    },
    cloneNode(el) {
        const cloned = el.cloneNode(true);
        // #3072
        // - in `patchDOMProp`, we store the actual value in the `el._value` property.
        // - normally, elements using `:value` bindings will not be hoisted, but if
        //   the bound value is a constant, e.g. `:value="true"` - they do get
        //   hoisted.
        // - in production, hoisted nodes are cloned when subsequent inserts, but
        //   cloneNode() does not copy the custom property we attached.
        // - This may need to account for other custom DOM properties we attach to
        //   elements in addition to `_value` in the future.
        if (`_value` in el) {
            cloned._value = el._value;
        }
        return cloned;
    },
    // __UNSAFE__
    // Reason: innerHTML.
    // Static content here can only come from compiled templates.
    // As long as the user only uses trusted templates, this is safe.
    insertStaticContent(content, parent, anchor, isSVG, start, end) {
        // <parent> before | first ... last | anchor </parent>
        const before = anchor ? anchor.previousSibling : parent.lastChild;
        // #5308 can only take cached path if:
        // - has a single root node
        // - nextSibling info is still available
        if (start && (start === end || start.nextSibling)) {
            // cached
            while (true) {
                parent.insertBefore(start.cloneNode(true), anchor);
                if (start === end || !(start = start.nextSibling))
                    break;
            }
        }
        else {
            // fresh insert
            templateContainer.innerHTML = isSVG ? `<svg>${content}</svg>` : content;
            const template = templateContainer.content;
            if (isSVG) {
                // remove outer svg wrapper
                const wrapper = template.firstChild;
                while (wrapper.firstChild) {
                    template.appendChild(wrapper.firstChild);
                }
                template.removeChild(wrapper);
            }
            parent.insertBefore(template, anchor);
        }
        return [
            // first
            before ? before.nextSibling : parent.firstChild,
            // last
            anchor ? anchor.previousSibling : parent.lastChild
        ];
    }
};

// compiler should normalize class + :class bindings on the same element
// into a single binding ['staticClass', dynamic]
function patchClass(el, value, isSVG) {
    // directly setting className should be faster than setAttribute in theory
    // if this is an element during a transition, take the temporary transition
    // classes into account.
    const transitionClasses = el._vtc;
    if (transitionClasses) {
        value = (value ? [value, ...transitionClasses] : [...transitionClasses]).join(' ');
    }
    if (value == null) {
        el.removeAttribute('class');
    }
    else if (isSVG) {
        el.setAttribute('class', value);
    }
    else {
        el.className = value;
    }
}

function patchStyle(el, prev, next) {
    const style = el.style;
    const isCssString = isString(next);
    if (next && !isCssString) {
        for (const key in next) {
            setStyle(style, key, next[key]);
        }
        if (prev && !isString(prev)) {
            for (const key in prev) {
                if (next[key] == null) {
                    setStyle(style, key, '');
                }
            }
        }
    }
    else {
        const currentDisplay = style.display;
        if (isCssString) {
            if (prev !== next) {
                style.cssText = next;
            }
        }
        else if (prev) {
            el.removeAttribute('style');
        }
        // indicates that the `display` of the element is controlled by `v-show`,
        // so we always keep the current `display` value regardless of the `style`
        // value, thus handing over control to `v-show`.
        if ('_vod' in el) {
            style.display = currentDisplay;
        }
    }
}
const importantRE = /\s*!important$/;
function setStyle(style, name, val) {
    if (isArray(val)) {
        val.forEach(v => setStyle(style, name, v));
    }
    else {
        if (val == null)
            val = '';
        if (name.startsWith('--')) {
            // custom property definition
            style.setProperty(name, val);
        }
        else {
            const prefixed = autoPrefix(style, name);
            if (importantRE.test(val)) {
                // !important
                style.setProperty(hyphenate(prefixed), val.replace(importantRE, ''), 'important');
            }
            else {
                style[prefixed] = val;
            }
        }
    }
}
const prefixes = ['Webkit', 'Moz', 'ms'];
const prefixCache = {};
function autoPrefix(style, rawName) {
    const cached = prefixCache[rawName];
    if (cached) {
        return cached;
    }
    let name = camelize(rawName);
    if (name !== 'filter' && name in style) {
        return (prefixCache[rawName] = name);
    }
    name = capitalize(name);
    for (let i = 0; i < prefixes.length; i++) {
        const prefixed = prefixes[i] + name;
        if (prefixed in style) {
            return (prefixCache[rawName] = prefixed);
        }
    }
    return rawName;
}

const xlinkNS = 'http://www.w3.org/1999/xlink';
function patchAttr(el, key, value, isSVG, instance) {
    if (isSVG && key.startsWith('xlink:')) {
        if (value == null) {
            el.removeAttributeNS(xlinkNS, key.slice(6, key.length));
        }
        else {
            el.setAttributeNS(xlinkNS, key, value);
        }
    }
    else {
        // note we are only checking boolean attributes that don't have a
        // corresponding dom prop of the same name here.
        const isBoolean = isSpecialBooleanAttr(key);
        if (value == null || (isBoolean && !includeBooleanAttr(value))) {
            el.removeAttribute(key);
        }
        else {
            el.setAttribute(key, isBoolean ? '' : value);
        }
    }
}

// __UNSAFE__
// functions. The user is responsible for using them with only trusted content.
function patchDOMProp(el, key, value, 
// the following args are passed only due to potential innerHTML/textContent
// overriding existing VNodes, in which case the old tree must be properly
// unmounted.
prevChildren, parentComponent, parentSuspense, unmountChildren) {
    if (key === 'innerHTML' || key === 'textContent') {
        if (prevChildren) {
            unmountChildren(prevChildren, parentComponent, parentSuspense);
        }
        el[key] = value == null ? '' : value;
        return;
    }
    if (key === 'value' &&
        el.tagName !== 'PROGRESS' &&
        // custom elements may use _value internally
        !el.tagName.includes('-')) {
        // store value as _value as well since
        // non-string values will be stringified.
        el._value = value;
        const newValue = value == null ? '' : value;
        if (el.value !== newValue ||
            // #4956: always set for OPTION elements because its value falls back to
            // textContent if no value attribute is present. And setting .value for
            // OPTION has no side effect
            el.tagName === 'OPTION') {
            el.value = newValue;
        }
        if (value == null) {
            el.removeAttribute(key);
        }
        return;
    }
    let needRemove = false;
    if (value === '' || value == null) {
        const type = typeof el[key];
        if (type === 'boolean') {
            // e.g. <select multiple> compiles to { multiple: '' }
            value = includeBooleanAttr(value);
        }
        else if (value == null && type === 'string') {
            // e.g. <div :id="null">
            value = '';
            needRemove = true;
        }
        else if (type === 'number') {
            // e.g. <img :width="null">
            // the value of some IDL attr must be greater than 0, e.g. input.size = 0 -> error
            value = 0;
            needRemove = true;
        }
    }
    // some properties perform value validation and throw,
    // some properties has getter, no setter, will error in 'use strict'
    // eg. <select :type="null"></select> <select :willValidate="null"></select>
    try {
        el[key] = value;
    }
    catch (e) {
        {
            warn$1(`Failed setting prop "${key}" on <${el.tagName.toLowerCase()}>: ` +
                `value ${value} is invalid.`, e);
        }
    }
    needRemove && el.removeAttribute(key);
}

// Async edge case fix requires storing an event listener's attach timestamp.
const [_getNow, skipTimestampCheck] = /*#__PURE__*/ (() => {
    let _getNow = Date.now;
    let skipTimestampCheck = false;
    if (typeof window !== 'undefined') {
        // Determine what event timestamp the browser is using. Annoyingly, the
        // timestamp can either be hi-res (relative to page load) or low-res
        // (relative to UNIX epoch), so in order to compare time we have to use the
        // same timestamp type when saving the flush timestamp.
        if (Date.now() > document.createEvent('Event').timeStamp) {
            // if the low-res timestamp which is bigger than the event timestamp
            // (which is evaluated AFTER) it means the event is using a hi-res timestamp,
            // and we need to use the hi-res version for event listeners as well.
            _getNow = performance.now.bind(performance);
        }
        // #3485: Firefox <= 53 has incorrect Event.timeStamp implementation
        // and does not fire microtasks in between event propagation, so safe to exclude.
        const ffMatch = navigator.userAgent.match(/firefox\/(\d+)/i);
        skipTimestampCheck = !!(ffMatch && Number(ffMatch[1]) <= 53);
    }
    return [_getNow, skipTimestampCheck];
})();
// To avoid the overhead of repeatedly calling performance.now(), we cache
// and use the same timestamp for all event listeners attached in the same tick.
let cachedNow = 0;
const p = /*#__PURE__*/ Promise.resolve();
const reset = () => {
    cachedNow = 0;
};
const getNow = () => cachedNow || (p.then(reset), (cachedNow = _getNow()));
function addEventListener(el, event, handler, options) {
    el.addEventListener(event, handler, options);
}
function removeEventListener(el, event, handler, options) {
    el.removeEventListener(event, handler, options);
}
function patchEvent(el, rawName, prevValue, nextValue, instance = null) {
    // vei = vue event invokers
    const invokers = el._vei || (el._vei = {});
    const existingInvoker = invokers[rawName];
    if (nextValue && existingInvoker) {
        // patch
        existingInvoker.value = nextValue;
    }
    else {
        const [name, options] = parseName(rawName);
        if (nextValue) {
            // add
            const invoker = (invokers[rawName] = createInvoker(nextValue, instance));
            addEventListener(el, name, invoker, options);
        }
        else if (existingInvoker) {
            // remove
            removeEventListener(el, name, existingInvoker, options);
            invokers[rawName] = undefined;
        }
    }
}
const optionsModifierRE = /(?:Once|Passive|Capture)$/;
function parseName(name) {
    let options;
    if (optionsModifierRE.test(name)) {
        options = {};
        let m;
        while ((m = name.match(optionsModifierRE))) {
            name = name.slice(0, name.length - m[0].length);
            options[m[0].toLowerCase()] = true;
        }
    }
    return [hyphenate(name.slice(2)), options];
}
function createInvoker(initialValue, instance) {
    const invoker = (e) => {
        // async edge case #6566: inner click event triggers patch, event handler
        // attached to outer element during patch, and triggered again. This
        // happens because browsers fire microtask ticks between event propagation.
        // the solution is simple: we save the timestamp when a handler is attached,
        // and the handler would only fire if the event passed to it was fired
        // AFTER it was attached.
        const timeStamp = e.timeStamp || _getNow();
        if (skipTimestampCheck || timeStamp >= invoker.attached - 1) {
            callWithAsyncErrorHandling(patchStopImmediatePropagation(e, invoker.value), instance, 5 /* NATIVE_EVENT_HANDLER */, [e]);
        }
    };
    invoker.value = initialValue;
    invoker.attached = getNow();
    return invoker;
}
function patchStopImmediatePropagation(e, value) {
    if (isArray(value)) {
        const originalStop = e.stopImmediatePropagation;
        e.stopImmediatePropagation = () => {
            originalStop.call(e);
            e._stopped = true;
        };
        return value.map(fn => (e) => !e._stopped && fn && fn(e));
    }
    else {
        return value;
    }
}

const nativeOnRE = /^on[a-z]/;
const patchProp = (el, key, prevValue, nextValue, isSVG = false, prevChildren, parentComponent, parentSuspense, unmountChildren) => {
    if (key === 'class') {
        patchClass(el, nextValue, isSVG);
    }
    else if (key === 'style') {
        patchStyle(el, prevValue, nextValue);
    }
    else if (isOn(key)) {
        // ignore v-model listeners
        if (!isModelListener(key)) {
            patchEvent(el, key, prevValue, nextValue, parentComponent);
        }
    }
    else if (key[0] === '.'
        ? ((key = key.slice(1)), true)
        : key[0] === '^'
            ? ((key = key.slice(1)), false)
            : shouldSetAsProp(el, key, nextValue, isSVG)) {
        patchDOMProp(el, key, nextValue, prevChildren, parentComponent, parentSuspense, unmountChildren);
    }
    else {
        // special case for <input v-model type="checkbox"> with
        // :true-value & :false-value
        // store value as dom properties since non-string values will be
        // stringified.
        if (key === 'true-value') {
            el._trueValue = nextValue;
        }
        else if (key === 'false-value') {
            el._falseValue = nextValue;
        }
        patchAttr(el, key, nextValue, isSVG);
    }
};
function shouldSetAsProp(el, key, value, isSVG) {
    if (isSVG) {
        // most keys must be set as attribute on svg elements to work
        // ...except innerHTML & textContent
        if (key === 'innerHTML' || key === 'textContent') {
            return true;
        }
        // or native onclick with function values
        if (key in el && nativeOnRE.test(key) && isFunction(value)) {
            return true;
        }
        return false;
    }
    // these are enumerated attrs, however their corresponding DOM properties
    // are actually booleans - this leads to setting it with a string "false"
    // value leading it to be coerced to `true`, so we need to always treat
    // them as attributes.
    // Note that `contentEditable` doesn't have this problem: its DOM
    // property is also enumerated string values.
    if (key === 'spellcheck' || key === 'draggable' || key === 'translate') {
        return false;
    }
    // #1787, #2840 form property on form elements is readonly and must be set as
    // attribute.
    if (key === 'form') {
        return false;
    }
    // #1526 <input list> must be set as attribute
    if (key === 'list' && el.tagName === 'INPUT') {
        return false;
    }
    // #2766 <textarea type> must be set as attribute
    if (key === 'type' && el.tagName === 'TEXTAREA') {
        return false;
    }
    // native onclick with string value, must be set as attribute
    if (nativeOnRE.test(key) && isString(value)) {
        return false;
    }
    return key in el;
}

const rendererOptions = /*#__PURE__*/ extend({ patchProp }, nodeOps);
// lazy create the renderer - this makes core renderer logic tree-shakable
// in case the user only imports reactivity utilities from Vue.
let renderer;
function ensureRenderer() {
    return (renderer ||
        (renderer = createRenderer(rendererOptions)));
}
const createApp = ((...args) => {
    const app = ensureRenderer().createApp(...args);
    {
        injectNativeTagCheck(app);
        injectCompilerOptionsCheck(app);
    }
    const { mount } = app;
    app.mount = (containerOrSelector) => {
        const container = normalizeContainer(containerOrSelector);
        if (!container)
            return;
        const component = app._component;
        if (!isFunction(component) && !component.render && !component.template) {
            // __UNSAFE__
            // Reason: potential execution of JS expressions in in-DOM template.
            // The user must make sure the in-DOM template is trusted. If it's
            // rendered by the server, the template should not contain any user data.
            component.template = container.innerHTML;
        }
        // clear content before mounting
        container.innerHTML = '';
        const proxy = mount(container, false, container instanceof SVGElement);
        if (container instanceof Element) {
            container.removeAttribute('v-cloak');
            container.setAttribute('data-v-app', '');
        }
        return proxy;
    };
    return app;
});
function injectNativeTagCheck(app) {
    // Inject `isNativeTag`
    // this is used for component name validation (dev only)
    Object.defineProperty(app.config, 'isNativeTag', {
        value: (tag) => isHTMLTag(tag) || isSVGTag(tag),
        writable: false
    });
}
// dev only
function injectCompilerOptionsCheck(app) {
    {
        const isCustomElement = app.config.isCustomElement;
        Object.defineProperty(app.config, 'isCustomElement', {
            get() {
                return isCustomElement;
            },
            set() {
                warn$1(`The \`isCustomElement\` config option is deprecated. Use ` +
                    `\`compilerOptions.isCustomElement\` instead.`);
            }
        });
        const compilerOptions = app.config.compilerOptions;
        const msg = `The \`compilerOptions\` config option is only respected when using ` +
            `a build of Vue.js that includes the runtime compiler (aka "full build"). ` +
            `Since you are using the runtime-only build, \`compilerOptions\` ` +
            `must be passed to \`@vue/compiler-dom\` in the build setup instead.\n` +
            `- For vue-loader: pass it via vue-loader's \`compilerOptions\` loader option.\n` +
            `- For vue-cli: see https://cli.vuejs.org/guide/webpack.html#modifying-options-of-a-loader\n` +
            `- For vite: pass it via @vitejs/plugin-vue options. See https://github.com/vitejs/vite/tree/main/packages/plugin-vue#example-for-passing-options-to-vuecompiler-dom`;
        Object.defineProperty(app.config, 'compilerOptions', {
            get() {
                warn$1(msg);
                return compilerOptions;
            },
            set() {
                warn$1(msg);
            }
        });
    }
}
function normalizeContainer(container) {
    if (isString(container)) {
        const res = document.querySelector(container);
        if (!res) {
            warn$1(`Failed to mount app: mount target selector "${container}" returned null.`);
        }
        return res;
    }
    if (window.ShadowRoot &&
        container instanceof window.ShadowRoot &&
        container.mode === 'closed') {
        warn$1(`mounting on a ShadowRoot with \`{mode: "closed"}\` may lead to unpredictable bugs`);
    }
    return container;
}

// leading comma for empty string ""
const shouldIgnoreProp = makeMap(`,key,ref,innerHTML,textContent,ref_key,ref_for`);
function ssrRenderAttrs(props, tag) {
    let ret = '';
    for (const key in props) {
        if (shouldIgnoreProp(key) ||
            isOn(key) ||
            (tag === 'textarea' && key === 'value')) {
            continue;
        }
        const value = props[key];
        if (key === 'class') {
            ret += ` class="${ssrRenderClass(value)}"`;
        }
        else if (key === 'style') {
            ret += ` style="${ssrRenderStyle(value)}"`;
        }
        else {
            ret += ssrRenderDynamicAttr(key, value, tag);
        }
    }
    return ret;
}
// render an attr with dynamic (unknown) key.
function ssrRenderDynamicAttr(key, value, tag) {
    if (!isRenderableValue(value)) {
        return ``;
    }
    const attrKey = tag && tag.indexOf('-') > 0
        ? key // preserve raw name on custom elements
        : propsToAttrMap[key] || key.toLowerCase();
    if (isBooleanAttr(attrKey)) {
        return includeBooleanAttr(value) ? ` ${attrKey}` : ``;
    }
    else if (isSSRSafeAttrName(attrKey)) {
        return value === '' ? ` ${attrKey}` : ` ${attrKey}="${escapeHtml(value)}"`;
    }
    else {
        console.warn(`[@vue/server-renderer] Skipped rendering unsafe attribute name: ${attrKey}`);
        return ``;
    }
}
// Render a v-bind attr with static key. The key is pre-processed at compile
// time and we only need to check and escape value.
function ssrRenderAttr(key, value) {
    if (!isRenderableValue(value)) {
        return ``;
    }
    return ` ${key}="${escapeHtml(value)}"`;
}
function isRenderableValue(value) {
    if (value == null) {
        return false;
    }
    const type = typeof value;
    return type === 'string' || type === 'number' || type === 'boolean';
}
function ssrRenderClass(raw) {
    return escapeHtml(normalizeClass(raw));
}
function ssrRenderStyle(raw) {
    if (!raw) {
        return '';
    }
    if (isString(raw)) {
        return escapeHtml(raw);
    }
    const styles = normalizeStyle(raw);
    return escapeHtml(stringifyStyle(styles));
}

function ssrCompile(template, instance) {
    {
        throw new Error(`On-the-fly template compilation is not supported in the ESM build of ` +
            `@vue/server-renderer. All templates must be pre-compiled into ` +
            `render functions.`);
    }
}

function ssrRenderTeleport(parentPush, contentRenderFn, target, disabled, parentComponent) {
    parentPush('<!--teleport start-->');
    const context = parentComponent.appContext.provides[ssrContextKey];
    const teleportBuffers = context.__teleportBuffers || (context.__teleportBuffers = {});
    const targetBuffer = teleportBuffers[target] || (teleportBuffers[target] = []);
    // record current index of the target buffer to handle nested teleports
    // since the parent needs to be rendered before the child
    const bufferIndex = targetBuffer.length;
    let teleportContent;
    if (disabled) {
        contentRenderFn(parentPush);
        teleportContent = `<!--teleport anchor-->`;
    }
    else {
        const { getBuffer, push } = createBuffer();
        contentRenderFn(push);
        push(`<!--teleport anchor-->`);
        teleportContent = getBuffer();
    }
    targetBuffer.splice(bufferIndex, 0, teleportContent);
    parentPush('<!--teleport end-->');
}

const { createComponentInstance: createComponentInstance$1, setCurrentRenderingInstance: setCurrentRenderingInstance$1, setupComponent: setupComponent$1, renderComponentRoot: renderComponentRoot$1, normalizeVNode: normalizeVNode$1 } = ssrUtils;
// Each component has a buffer array.
// A buffer array can contain one of the following:
// - plain string
// - A resolved buffer (recursive arrays of strings that can be unrolled
//   synchronously)
// - An async buffer (a Promise that resolves to a resolved buffer)
function createBuffer() {
    let appendable = false;
    const buffer = [];
    return {
        getBuffer() {
            // Return static buffer and await on items during unroll stage
            return buffer;
        },
        push(item) {
            const isStringItem = isString(item);
            if (appendable && isStringItem) {
                buffer[buffer.length - 1] += item;
            }
            else {
                buffer.push(item);
            }
            appendable = isStringItem;
            if (isPromise(item) || (isArray(item) && item.hasAsync)) {
                // promise, or child buffer with async, mark as async.
                // this allows skipping unnecessary await ticks during unroll stage
                buffer.hasAsync = true;
            }
        }
    };
}
function renderComponentVNode(vnode, parentComponent = null, slotScopeId) {
    const instance = createComponentInstance$1(vnode, parentComponent, null);
    const res = setupComponent$1(instance, true /* isSSR */);
    const hasAsyncSetup = isPromise(res);
    const prefetches = instance.sp; /* LifecycleHooks.SERVER_PREFETCH */
    if (hasAsyncSetup || prefetches) {
        let p = hasAsyncSetup
            ? res
            : Promise.resolve();
        if (prefetches) {
            p = p
                .then(() => Promise.all(prefetches.map(prefetch => prefetch.call(instance.proxy))))
                // Note: error display is already done by the wrapped lifecycle hook function.
                .catch(() => { });
        }
        return p.then(() => renderComponentSubTree(instance, slotScopeId));
    }
    else {
        return renderComponentSubTree(instance, slotScopeId);
    }
}
function renderComponentSubTree(instance, slotScopeId) {
    const comp = instance.type;
    const { getBuffer, push } = createBuffer();
    if (isFunction(comp)) {
        let root = renderComponentRoot$1(instance);
        // #5817 scope ID attrs not falling through if functional component doesn't
        // have props
        if (!comp.props) {
            for (const key in instance.attrs) {
                if (key.startsWith(`data-v-`)) {
                    (root.props || (root.props = {}))[key] = ``;
                }
            }
        }
        renderVNode(push, (instance.subTree = root), instance, slotScopeId);
    }
    else {
        if ((!instance.render || instance.render === NOOP) &&
            !instance.ssrRender &&
            !comp.ssrRender &&
            isString(comp.template)) {
            comp.ssrRender = ssrCompile(comp.template);
        }
        // perf: enable caching of computed getters during render
        // since there cannot be state mutations during render.
        for (const e of instance.scope.effects) {
            if (e.computed)
                e.computed._cacheable = true;
        }
        const ssrRender = instance.ssrRender || comp.ssrRender;
        if (ssrRender) {
            // optimized
            // resolve fallthrough attrs
            let attrs = instance.inheritAttrs !== false ? instance.attrs : undefined;
            let hasCloned = false;
            let cur = instance;
            while (true) {
                const scopeId = cur.vnode.scopeId;
                if (scopeId) {
                    if (!hasCloned) {
                        attrs = { ...attrs };
                        hasCloned = true;
                    }
                    attrs[scopeId] = '';
                }
                const parent = cur.parent;
                if (parent && parent.subTree && parent.subTree === cur.vnode) {
                    // parent is a non-SSR compiled component and is rendering this
                    // component as root. inherit its scopeId if present.
                    cur = parent;
                }
                else {
                    break;
                }
            }
            if (slotScopeId) {
                if (!hasCloned)
                    attrs = { ...attrs };
                attrs[slotScopeId.trim()] = '';
            }
            // set current rendering instance for asset resolution
            const prev = setCurrentRenderingInstance$1(instance);
            ssrRender(instance.proxy, push, instance, attrs, 
            // compiler-optimized bindings
            instance.props, instance.setupState, instance.data, instance.ctx);
            setCurrentRenderingInstance$1(prev);
        }
        else if (instance.render && instance.render !== NOOP) {
            renderVNode(push, (instance.subTree = renderComponentRoot$1(instance)), instance, slotScopeId);
        }
        else {
            const componentName = comp.name || comp.__file || `<Anonymous>`;
            warn$1(`Component ${componentName} is missing template or render function.`);
            push(`<!---->`);
        }
    }
    return getBuffer();
}
function renderVNode(push, vnode, parentComponent, slotScopeId) {
    const { type, shapeFlag, children } = vnode;
    switch (type) {
        case Text:
            push(escapeHtml(children));
            break;
        case Comment:
            push(children ? `<!--${escapeHtmlComment(children)}-->` : `<!---->`);
            break;
        case Static:
            push(children);
            break;
        case Fragment:
            if (vnode.slotScopeIds) {
                slotScopeId =
                    (slotScopeId ? slotScopeId + ' ' : '') + vnode.slotScopeIds.join(' ');
            }
            push(`<!--[-->`); // open
            renderVNodeChildren(push, children, parentComponent, slotScopeId);
            push(`<!--]-->`); // close
            break;
        default:
            if (shapeFlag & 1 /* ELEMENT */) {
                renderElementVNode(push, vnode, parentComponent, slotScopeId);
            }
            else if (shapeFlag & 6 /* COMPONENT */) {
                push(renderComponentVNode(vnode, parentComponent, slotScopeId));
            }
            else if (shapeFlag & 64 /* TELEPORT */) {
                renderTeleportVNode(push, vnode, parentComponent, slotScopeId);
            }
            else if (shapeFlag & 128 /* SUSPENSE */) {
                renderVNode(push, vnode.ssContent, parentComponent, slotScopeId);
            }
            else {
                warn$1('[@vue/server-renderer] Invalid VNode type:', type, `(${typeof type})`);
            }
    }
}
function renderVNodeChildren(push, children, parentComponent, slotScopeId) {
    for (let i = 0; i < children.length; i++) {
        renderVNode(push, normalizeVNode$1(children[i]), parentComponent, slotScopeId);
    }
}
function renderElementVNode(push, vnode, parentComponent, slotScopeId) {
    const tag = vnode.type;
    let { props, children, shapeFlag, scopeId, dirs } = vnode;
    let openTag = `<${tag}`;
    if (dirs) {
        props = applySSRDirectives(vnode, props, dirs);
    }
    if (props) {
        openTag += ssrRenderAttrs(props, tag);
    }
    if (scopeId) {
        openTag += ` ${scopeId}`;
    }
    // inherit parent chain scope id if this is the root node
    let curParent = parentComponent;
    let curVnode = vnode;
    while (curParent && curVnode === curParent.subTree) {
        curVnode = curParent.vnode;
        if (curVnode.scopeId) {
            openTag += ` ${curVnode.scopeId}`;
        }
        curParent = curParent.parent;
    }
    if (slotScopeId) {
        openTag += ` ${slotScopeId}`;
    }
    push(openTag + `>`);
    if (!isVoidTag(tag)) {
        let hasChildrenOverride = false;
        if (props) {
            if (props.innerHTML) {
                hasChildrenOverride = true;
                push(props.innerHTML);
            }
            else if (props.textContent) {
                hasChildrenOverride = true;
                push(escapeHtml(props.textContent));
            }
            else if (tag === 'textarea' && props.value) {
                hasChildrenOverride = true;
                push(escapeHtml(props.value));
            }
        }
        if (!hasChildrenOverride) {
            if (shapeFlag & 8 /* TEXT_CHILDREN */) {
                push(escapeHtml(children));
            }
            else if (shapeFlag & 16 /* ARRAY_CHILDREN */) {
                renderVNodeChildren(push, children, parentComponent, slotScopeId);
            }
        }
        push(`</${tag}>`);
    }
}
function applySSRDirectives(vnode, rawProps, dirs) {
    const toMerge = [];
    for (let i = 0; i < dirs.length; i++) {
        const binding = dirs[i];
        const { dir: { getSSRProps } } = binding;
        if (getSSRProps) {
            const props = getSSRProps(binding, vnode);
            if (props)
                toMerge.push(props);
        }
    }
    return mergeProps(rawProps || {}, ...toMerge);
}
function renderTeleportVNode(push, vnode, parentComponent, slotScopeId) {
    const target = vnode.props && vnode.props.to;
    const disabled = vnode.props && vnode.props.disabled;
    if (!target) {
        if (!disabled) {
            warn$1(`[@vue/server-renderer] Teleport is missing target prop.`);
        }
        return [];
    }
    if (!isString(target)) {
        warn$1(`[@vue/server-renderer] Teleport target must be a query selector string.`);
        return [];
    }
    ssrRenderTeleport(push, push => {
        renderVNodeChildren(push, vnode.children, parentComponent, slotScopeId);
    }, target, disabled || disabled === '', parentComponent);
}

const { isVNode: isVNode$1 } = ssrUtils;
async function unrollBuffer(buffer) {
    if (buffer.hasAsync) {
        let ret = '';
        for (let i = 0; i < buffer.length; i++) {
            let item = buffer[i];
            if (isPromise(item)) {
                item = await item;
            }
            if (isString(item)) {
                ret += item;
            }
            else {
                ret += await unrollBuffer(item);
            }
        }
        return ret;
    }
    else {
        // sync buffer can be more efficiently unrolled without unnecessary await
        // ticks
        return unrollBufferSync(buffer);
    }
}
function unrollBufferSync(buffer) {
    let ret = '';
    for (let i = 0; i < buffer.length; i++) {
        let item = buffer[i];
        if (isString(item)) {
            ret += item;
        }
        else {
            // since this is a sync buffer, child buffers are never promises
            ret += unrollBufferSync(item);
        }
    }
    return ret;
}
async function renderToString(input, context = {}) {
    if (isVNode$1(input)) {
        // raw vnode, wrap with app (for context)
        return renderToString(createApp({ render: () => input }), context);
    }
    // rendering an app
    const vnode = createVNode(input._component, input._props);
    vnode.appContext = input._context;
    // provide the ssr context to the tree
    input.provide(ssrContextKey, context);
    const buffer = await renderComponentVNode(vnode);
    const result = await unrollBuffer(buffer);
    await resolveTeleports(context);
    return result;
}
async function resolveTeleports(context) {
    if (context.__teleportBuffers) {
        context.teleports = context.teleports || {};
        for (const key in context.__teleportBuffers) {
            // note: it's OK to await sequentially here because the Promises were
            // created eagerly in parallel.
            context.teleports[key] = await unrollBuffer((await Promise.all(context.__teleportBuffers[key])));
        }
    }
}

const { isVNode: isVNode$2 } = ssrUtils;
async function unrollBuffer$1(buffer, stream) {
    if (buffer.hasAsync) {
        for (let i = 0; i < buffer.length; i++) {
            let item = buffer[i];
            if (isPromise(item)) {
                item = await item;
            }
            if (isString(item)) {
                stream.push(item);
            }
            else {
                await unrollBuffer$1(item, stream);
            }
        }
    }
    else {
        // sync buffer can be more efficiently unrolled without unnecessary await
        // ticks
        unrollBufferSync$1(buffer, stream);
    }
}
function unrollBufferSync$1(buffer, stream) {
    for (let i = 0; i < buffer.length; i++) {
        let item = buffer[i];
        if (isString(item)) {
            stream.push(item);
        }
        else {
            // since this is a sync buffer, child buffers are never promises
            unrollBufferSync$1(item, stream);
        }
    }
}
function renderToSimpleStream(input, context, stream) {
    if (isVNode$2(input)) {
        // raw vnode, wrap with app (for context)
        return renderToSimpleStream(createApp({ render: () => input }), context, stream);
    }
    // rendering an app
    const vnode = createVNode(input._component, input._props);
    vnode.appContext = input._context;
    // provide the ssr context to the tree
    input.provide(ssrContextKey, context);
    Promise.resolve(renderComponentVNode(vnode))
        .then(buffer => unrollBuffer$1(buffer, stream))
        .then(() => resolveTeleports(context))
        .then(() => stream.push(null))
        .catch(error => {
        stream.destroy(error);
    });
    return stream;
}
/**
 * @deprecated
 */
function renderToStream(input, context = {}) {
    console.warn(`[@vue/server-renderer] renderToStream is deprecated - use renderToNodeStream instead.`);
    return renderToNodeStream(input, context);
}
function renderToNodeStream(input, context = {}) {
    const stream = null;
    {
        throw new Error(`ESM build of renderToStream() does not support renderToNodeStream(). ` +
            `Use pipeToNodeWritable() with an existing Node.js Writable stream ` +
            `instance instead.`);
    }
}
function pipeToNodeWritable(input, context = {}, writable) {
    renderToSimpleStream(input, context, {
        push(content) {
            if (content != null) {
                writable.write(content);
            }
            else {
                writable.end();
            }
        },
        destroy(err) {
            writable.destroy(err);
        }
    });
}
function renderToWebStream(input, context = {}) {
    if (typeof ReadableStream !== 'function') {
        throw new Error(`ReadableStream constructor is not available in the global scope. ` +
            `If the target environment does support web streams, consider using ` +
            `pipeToWebWritable() with an existing WritableStream instance instead.`);
    }
    const encoder = new TextEncoder();
    let cancelled = false;
    return new ReadableStream({
        start(controller) {
            renderToSimpleStream(input, context, {
                push(content) {
                    if (cancelled)
                        return;
                    if (content != null) {
                        controller.enqueue(encoder.encode(content));
                    }
                    else {
                        controller.close();
                    }
                },
                destroy(err) {
                    controller.error(err);
                }
            });
        },
        cancel() {
            cancelled = true;
        }
    });
}
function pipeToWebWritable(input, context = {}, writable) {
    const writer = writable.getWriter();
    const encoder = new TextEncoder();
    // #4287 CloudFlare workers do not implement `ready` property
    let hasReady = false;
    try {
        hasReady = isPromise(writer.ready);
    }
    catch (e) { }
    renderToSimpleStream(input, context, {
        async push(content) {
            if (hasReady) {
                await writer.ready;
            }
            if (content != null) {
                return writer.write(encoder.encode(content));
            }
            else {
                return writer.close();
            }
        },
        destroy(err) {
            // TODO better error handling?
            console.log(err);
            writer.close();
        }
    });
}

function ssrRenderComponent(comp, props = null, children = null, parentComponent = null, slotScopeId) {
    return renderComponentVNode(createVNode(comp, props, children), parentComponent, slotScopeId);
}

function ssrRenderSlot(slots, slotName, slotProps, fallbackRenderFn, push, parentComponent, slotScopeId) {
    // template-compiled slots are always rendered as fragments
    push(`<!--[-->`);
    ssrRenderSlotInner(slots, slotName, slotProps, fallbackRenderFn, push, parentComponent, slotScopeId);
    push(`<!--]-->`);
}
function ssrRenderSlotInner(slots, slotName, slotProps, fallbackRenderFn, push, parentComponent, slotScopeId, transition) {
    const slotFn = slots[slotName];
    if (slotFn) {
        const slotBuffer = [];
        const bufferedPush = (item) => {
            slotBuffer.push(item);
        };
        const ret = slotFn(slotProps, bufferedPush, parentComponent, slotScopeId ? ' ' + slotScopeId : '');
        if (isArray(ret)) {
            // normal slot
            renderVNodeChildren(push, ret, parentComponent, slotScopeId);
        }
        else {
            // ssr slot.
            // check if the slot renders all comments, in which case use the fallback
            let isEmptySlot = true;
            if (transition) {
                isEmptySlot = false;
            }
            else {
                for (let i = 0; i < slotBuffer.length; i++) {
                    if (!isComment(slotBuffer[i])) {
                        isEmptySlot = false;
                        break;
                    }
                }
            }
            if (isEmptySlot) {
                if (fallbackRenderFn) {
                    fallbackRenderFn();
                }
            }
            else {
                for (let i = 0; i < slotBuffer.length; i++) {
                    push(slotBuffer[i]);
                }
            }
        }
    }
    else if (fallbackRenderFn) {
        fallbackRenderFn();
    }
}
const commentRE = /<!--[^]*?-->/gm;
function isComment(item) {
    return (typeof item === 'string' &&
        commentRE.test(item) &&
        !item.replace(commentRE, '').trim());
}

function ssrInterpolate(value) {
    return escapeHtml(toDisplayString(value));
}

function ssrRenderList(source, renderItem) {
    if (isArray(source) || isString(source)) {
        for (let i = 0, l = source.length; i < l; i++) {
            renderItem(source[i], i);
        }
    }
    else if (typeof source === 'number') {
        if (!Number.isInteger(source)) {
            warn$1(`The v-for range expect an integer value but got ${source}.`);
            return;
        }
        for (let i = 0; i < source; i++) {
            renderItem(i + 1, i);
        }
    }
    else if (isObject(source)) {
        if (source[Symbol.iterator]) {
            const arr = Array.from(source);
            for (let i = 0, l = arr.length; i < l; i++) {
                renderItem(arr[i], i);
            }
        }
        else {
            const keys = Object.keys(source);
            for (let i = 0, l = keys.length; i < l; i++) {
                const key = keys[i];
                renderItem(source[key], key, i);
            }
        }
    }
}

async function ssrRenderSuspense(push, { default: renderContent }) {
    if (renderContent) {
        renderContent();
    }
    else {
        push(`<!---->`);
    }
}

function ssrGetDirectiveProps(instance, dir, value, arg, modifiers = {}) {
    if (typeof dir !== 'function' && dir.getSSRProps) {
        return (dir.getSSRProps({
            dir,
            instance,
            value,
            oldValue: undefined,
            arg,
            modifiers
        }, null) || {});
    }
    return {};
}

const ssrLooseEqual = looseEqual;
function ssrLooseContain(arr, value) {
    return looseIndexOf(arr, value) > -1;
}
// for <input :type="type" v-model="model" value="value">
function ssrRenderDynamicModel(type, model, value) {
    switch (type) {
        case 'radio':
            return looseEqual(model, value) ? ' checked' : '';
        case 'checkbox':
            return (isArray(model) ? ssrLooseContain(model, value) : model)
                ? ' checked'
                : '';
        default:
            // text types
            return ssrRenderAttr('value', model);
    }
}
// for <input v-bind="obj" v-model="model">
function ssrGetDynamicModelProps(existingProps = {}, model) {
    const { type, value } = existingProps;
    switch (type) {
        case 'radio':
            return looseEqual(model, value) ? { checked: true } : null;
        case 'checkbox':
            return (isArray(model) ? ssrLooseContain(model, value) : model)
                ? { checked: true }
                : null;
        default:
            // text types
            return { value: model };
    }
}

export { pipeToNodeWritable, pipeToWebWritable, renderToNodeStream, renderToSimpleStream, renderToStream, renderToString, renderToWebStream, ssrGetDirectiveProps, ssrGetDynamicModelProps, includeBooleanAttr as ssrIncludeBooleanAttr, ssrInterpolate, ssrLooseContain, ssrLooseEqual, ssrRenderAttr, ssrRenderAttrs, ssrRenderClass, ssrRenderComponent, ssrRenderDynamicAttr, ssrRenderDynamicModel, ssrRenderList, ssrRenderSlot, ssrRenderSlotInner, ssrRenderStyle, ssrRenderSuspense, ssrRenderTeleport, renderVNode as ssrRenderVNode };