nvue.runtime.esm.js

import { isString, isFunction, isPromise, isArray, NOOP, getGlobalThis, extend, EMPTY_OBJ, toHandlerKey, toNumber, hyphenate, camelize, isOn, hasOwn, isModelListener, hasChanged, remove, isObject, isSet, isMap, isPlainObject, invokeArrayFns, def, isReservedProp, EMPTY_ARR, capitalize, toRawType, makeMap, isBuiltInDirective, NO, normalizeClass, normalizeStyle, isGloballyWhitelisted, parseStringStyle } from '@vue/shared';
export { camelize, capitalize, hyphenate, normalizeClass, normalizeProps, normalizeStyle, toDisplayString, toHandlerKey } from '@vue/shared';
import { pauseTracking, resetTracking, isRef, toRaw, isShallow as isShallow$1, isReactive, ReactiveEffect, ref, reactive, shallowReactive, trigger, isProxy, shallowReadonly, track, EffectScope, markRaw, proxyRefs, computed as computed$1, isReadonly } from '@vue/reactivity';
export { EffectScope, ReactiveEffect, customRef, effect, effectScope, getCurrentScope, isProxy, isReactive, isReadonly, isRef, isShallow, markRaw, onScopeDispose, proxyRefs, reactive, readonly, ref, shallowReactive, shallowReadonly, shallowRef, stop, toRaw, toRef, toRefs, triggerRef, unref } from '@vue/reactivity';

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

const ErrorTypeStrings = {
    ["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
        // fixed by xxxxxx
        const errorInfo = (process.env.NODE_ENV !== 'production') ? ErrorTypeStrings[type] || type : 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) {
    if ((process.env.NODE_ENV !== 'production')) {
        const info = ErrorTypeStrings[type] || type; // fixed by xxxxxx
        if (contextVNode) {
            pushWarningContext(contextVNode);
        }
        warn(`Unhandled error${info ? ` during execution of ${info}` : ``}`);
        if (contextVNode) {
            popWarningContext();
        }
        // crash in dev by default so it's more noticeable
        if (throwInDev) {
            throw err;
        }
        else {
            console.error(err);
        }
    }
    else {
        // recover in prod to reduce the impact on end-user
        console.error(err);
    }
}

let isFlushing = false;
let isFlushPending = false;
const queue = [];
let flushIndex = 0;
const pendingPreFlushCbs = [];
let activePreFlushCbs = null;
let preFlushIndex = 0;
const pendingPostFlushCbs = [];
let activePostFlushCbs = null;
let postFlushIndex = 0;
const resolvedPromise = Promise.resolve();
let currentFlushPromise = null;
let currentPreFlushParentJob = null;
const RECURSION_LIMIT = 100;
function nextTick(fn) {
    const p = currentFlushPromise || resolvedPromise;
    return fn ? p.then(this ? fn.bind(this) : fn) : p;
}
// #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;
        if ((process.env.NODE_ENV !== 'production')) {
            seen = seen || new Map();
        }
        for (preFlushIndex = 0; preFlushIndex < activePreFlushCbs.length; preFlushIndex++) {
            if ((process.env.NODE_ENV !== 'production') &&
                checkRecursiveUpdates(seen, activePreFlushCbs[preFlushIndex])) {
                continue;
            }
            activePreFlushCbs[preFlushIndex]();
        }
        activePreFlushCbs = null;
        preFlushIndex = 0;
        currentPreFlushParentJob = null;
        // recursively flush until it drains
        flushPreFlushCbs(seen, parentJob);
    }
}
function flushPostFlushCbs(seen) {
    if (pendingPostFlushCbs.length) {
        const deduped = [...new Set(pendingPostFlushCbs)];
        pendingPostFlushCbs.length = 0;
        // #1947 already has active queue, nested flushPostFlushCbs call
        if (activePostFlushCbs) {
            activePostFlushCbs.push(...deduped);
            return;
        }
        activePostFlushCbs = deduped;
        if ((process.env.NODE_ENV !== 'production')) {
            seen = seen || new Map();
        }
        activePostFlushCbs.sort((a, b) => getId(a) - getId(b));
        for (postFlushIndex = 0; postFlushIndex < activePostFlushCbs.length; postFlushIndex++) {
            if ((process.env.NODE_ENV !== 'production') &&
                checkRecursiveUpdates(seen, activePostFlushCbs[postFlushIndex])) {
                continue;
            }
            activePostFlushCbs[postFlushIndex]();
        }
        activePostFlushCbs = null;
        postFlushIndex = 0;
    }
}
const getId = (job) => job.id == null ? Infinity : job.id;
function flushJobs(seen) {
    isFlushPending = false;
    isFlushing = true;
    if ((process.env.NODE_ENV !== 'production')) {
        seen = seen || new Map();
    }
    flushPreFlushCbs(seen);
    // Sort queue before flush.
    // This ensures that:
    // 1. Components are updated from parent to child. (because parent is always
    //    created before the child so its render effect will have smaller
    //    priority number)
    // 2. If a component is unmounted during a parent component's update,
    //    its update can be skipped.
    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 = (process.env.NODE_ENV !== 'production')
        ? (job) => checkRecursiveUpdates(seen, job)
        : NOOP;
    try {
        for (flushIndex = 0; flushIndex < queue.length; flushIndex++) {
            const job = queue[flushIndex];
            if (job && job.active !== false) {
                if ((process.env.NODE_ENV !== 'production') && 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(`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.
if ((process.env.NODE_ENV !== 'production')) {
    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)
    // eslint-disable-next-line no-restricted-globals
    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$1(instance, event, ...rawArgs) {
    const props = instance.vnode.props || EMPTY_OBJ;
    if ((process.env.NODE_ENV !== 'production')) {
        const { emitsOptions, propsOptions: [propsOptions] } = instance;
        if (emitsOptions) {
            if (!(event in emitsOptions) &&
                !(false )) {
                if (!propsOptions || !(toHandlerKey(event) in propsOptions)) {
                    warn(`Component emitted event "${event}" but it is neither declared in ` +
                        `the emits option nor as an "${toHandlerKey(event)}" prop.`);
                }
            }
            else {
                const validator = emitsOptions[event];
                if (isFunction(validator)) {
                    const isValid = validator(...rawArgs);
                    if (!isValid) {
                        warn(`Invalid event arguments: event validation failed for event "${event}".`);
                    }
                }
            }
        }
    }
    let args = rawArgs;
    const isModelListener = event.startsWith('update:');
    // for v-model update:xxx events, apply modifiers on args
    const modelArg = isModelListener && event.slice(7);
    if (modelArg && modelArg in props) {
        const modifiersKey = `${modelArg === 'modelValue' ? 'model' : modelArg}Modifiers`;
        const { number, trim } = props[modifiersKey] || EMPTY_OBJ;
        if (trim) {
            args = rawArgs.map(a => a.trim());
        }
        else if (number) {
            args = rawArgs.map(toNumber);
        }
    }
    if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
        devtoolsComponentEmit(instance, event, args);
    }
    if ((process.env.NODE_ENV !== 'production')) {
        const lowerCaseEvent = event.toLowerCase();
        if (lowerCaseEvent !== event && props[toHandlerKey(lowerCaseEvent)]) {
            warn(`Event "${lowerCaseEvent}" is emitted in component ` +
                `${formatComponentName(instance, instance.type)} but the handler is registered for "${event}". ` +
                `Note that HTML attributes are case-insensitive and you cannot use ` +
                `v-on to listen to camelCase events when using in-DOM templates. ` +
                `You should probably use "${hyphenate(event)}" instead of "${event}".`);
        }
    }
    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 (__VUE_OPTIONS_API__ && !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;
}
/**
 * Set scope id when creating hoisted vnodes.
 * @private compiler helper
 */
function pushScopeId(id) {
    currentScopeId = id;
}
/**
 * Technically we no longer need this after 3.0.8 but we need to keep the same
 * API for backwards compat w/ code generated by compilers.
 * @private
 */
function popScopeId() {
    currentScopeId = null;
}
/**
 * Only for backwards compat
 * @private
 */
const withScopeId = (_id) => withCtx;
/**
 * 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);
        }
        if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
            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);
    if ((process.env.NODE_ENV !== 'production')) {
        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 ((process.env.NODE_ENV !== 'production') && attrs === props) {
                markAttrsAccessed();
            }
            result = normalizeVNode(render.length > 1
                ? render(props, (process.env.NODE_ENV !== 'production')
                    ? {
                        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 ((process.env.NODE_ENV !== 'production') &&
        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 ((process.env.NODE_ENV !== 'production') && !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(`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(`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 ((process.env.NODE_ENV !== 'production') && !isElementRoot(root)) {
            warn(`Runtime directive used on component with non-element root node. ` +
                `The directives will not function as intended.`);
        }
        root.dirs = root.dirs ? root.dirs.concat(vnode.dirs) : vnode.dirs;
    }
    // inherit transition data
    if (vnode.transition) {
        if ((process.env.NODE_ENV !== 'production') && !isElementRoot(root)) {
            warn(`Component inside <Transition> renders non-element root node ` +
                `that cannot be animated.`);
        }
        root.transition = vnode.transition;
    }
    if ((process.env.NODE_ENV !== 'production') && 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 ((process.env.NODE_ENV !== 'production') && (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;
// Suspense exposes a component-like API, and is treated like a component
// in the compiler, but internally it's a special built-in type that hooks
// directly into the renderer.
const SuspenseImpl = {
    name: 'Suspense',
    // In order to make Suspense tree-shakable, we need to avoid importing it
    // directly in the renderer. The renderer checks for the __isSuspense flag
    // on a vnode's type and calls the `process` method, passing in renderer
    // internals.
    __isSuspense: true,
    process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, 
    // platform-specific impl passed from renderer
    rendererInternals) {
        if (n1 == null) {
            mountSuspense(n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals);
        }
        else {
            patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, slotScopeIds, optimized, rendererInternals);
        }
    },
    hydrate: hydrateSuspense,
    create: createSuspenseBoundary,
    normalize: normalizeSuspenseChildren
};
// Force-casted public typing for h and TSX props inference
const Suspense = (SuspenseImpl );
function triggerEvent(vnode, name) {
    const eventListener = vnode.props && vnode.props[name];
    if (isFunction(eventListener)) {
        eventListener();
    }
}
function mountSuspense(vnode, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals) {
    const { p: patch, o: { createElement } } = rendererInternals;
    const hiddenContainer = createElement('div');
    const suspense = (vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, container, hiddenContainer, anchor, isSVG, slotScopeIds, optimized, rendererInternals));
    // start mounting the content subtree in an off-dom container
    patch(null, (suspense.pendingBranch = vnode.ssContent), hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds);
    // now check if we have encountered any async deps
    if (suspense.deps > 0) {
        // has async
        // invoke @fallback event
        triggerEvent(vnode, 'onPending');
        triggerEvent(vnode, 'onFallback');
        // mount the fallback tree
        patch(null, vnode.ssFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context
        isSVG, slotScopeIds);
        setActiveBranch(suspense, vnode.ssFallback);
    }
    else {
        // Suspense has no async deps. Just resolve.
        suspense.resolve();
    }
}
function patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, slotScopeIds, optimized, { p: patch, um: unmount, o: { createElement } }) {
    const suspense = (n2.suspense = n1.suspense);
    suspense.vnode = n2;
    n2.el = n1.el;
    const newBranch = n2.ssContent;
    const newFallback = n2.ssFallback;
    const { activeBranch, pendingBranch, isInFallback, isHydrating } = suspense;
    if (pendingBranch) {
        suspense.pendingBranch = newBranch;
        if (isSameVNodeType(newBranch, pendingBranch)) {
            // same root type but content may have changed.
            patch(pendingBranch, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds, optimized);
            if (suspense.deps <= 0) {
                suspense.resolve();
            }
            else if (isInFallback) {
                patch(activeBranch, newFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context
                isSVG, slotScopeIds, optimized);
                setActiveBranch(suspense, newFallback);
            }
        }
        else {
            // toggled before pending tree is resolved
            suspense.pendingId++;
            if (isHydrating) {
                // if toggled before hydration is finished, the current DOM tree is
                // no longer valid. set it as the active branch so it will be unmounted
                // when resolved
                suspense.isHydrating = false;
                suspense.activeBranch = pendingBranch;
            }
            else {
                unmount(pendingBranch, parentComponent, suspense);
            }
            // increment pending ID. this is used to invalidate async callbacks
            // reset suspense state
            suspense.deps = 0;
            // discard effects from pending branch
            suspense.effects.length = 0;
            // discard previous container
            suspense.hiddenContainer = createElement('div');
            if (isInFallback) {
                // already in fallback state
                patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds, optimized);
                if (suspense.deps <= 0) {
                    suspense.resolve();
                }
                else {
                    patch(activeBranch, newFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context
                    isSVG, slotScopeIds, optimized);
                    setActiveBranch(suspense, newFallback);
                }
            }
            else if (activeBranch && isSameVNodeType(newBranch, activeBranch)) {
                // toggled "back" to current active branch
                patch(activeBranch, newBranch, container, anchor, parentComponent, suspense, isSVG, slotScopeIds, optimized);
                // force resolve
                suspense.resolve(true);
            }
            else {
                // switched to a 3rd branch
                patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds, optimized);
                if (suspense.deps <= 0) {
                    suspense.resolve();
                }
            }
        }
    }
    else {
        if (activeBranch && isSameVNodeType(newBranch, activeBranch)) {
            // root did not change, just normal patch
            patch(activeBranch, newBranch, container, anchor, parentComponent, suspense, isSVG, slotScopeIds, optimized);
            setActiveBranch(suspense, newBranch);
        }
        else {
            // root node toggled
            // invoke @pending event
            triggerEvent(n2, 'onPending');
            // mount pending branch in off-dom container
            suspense.pendingBranch = newBranch;
            suspense.pendingId++;
            patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds, optimized);
            if (suspense.deps <= 0) {
                // incoming branch has no async deps, resolve now.
                suspense.resolve();
            }
            else {
                const { timeout, pendingId } = suspense;
                if (timeout > 0) {
                    setTimeout(() => {
                        if (suspense.pendingId === pendingId) {
                            suspense.fallback(newFallback);
                        }
                    }, timeout);
                }
                else if (timeout === 0) {
                    suspense.fallback(newFallback);
                }
            }
        }
    }
}
let hasWarned = false;
function createSuspenseBoundary(vnode, parent, parentComponent, container, hiddenContainer, anchor, isSVG, slotScopeIds, optimized, rendererInternals, isHydrating = false) {
    /* istanbul ignore if */
    if ((process.env.NODE_ENV !== 'production') && !false && !hasWarned) {
        hasWarned = true;
        // @ts-ignore `console.info` cannot be null error
        console[console.info ? 'info' : 'log'](`<Suspense> is an experimental feature and its API will likely change.`);
    }
    const { p: patch, m: move, um: unmount, n: next, o: { parentNode, remove } } = rendererInternals;
    const timeout = toNumber(vnode.props && vnode.props.timeout);
    const suspense = {
        vnode,
        parent,
        parentComponent,
        isSVG,
        container,
        hiddenContainer,
        anchor,
        deps: 0,
        pendingId: 0,
        timeout: typeof timeout === 'number' ? timeout : -1,
        activeBranch: null,
        pendingBranch: null,
        isInFallback: true,
        isHydrating,
        isUnmounted: false,
        effects: [],
        resolve(resume = false) {
            if ((process.env.NODE_ENV !== 'production')) {
                if (!resume && !suspense.pendingBranch) {
                    throw new Error(`suspense.resolve() is called without a pending branch.`);
                }
                if (suspense.isUnmounted) {
                    throw new Error(`suspense.resolve() is called on an already unmounted suspense boundary.`);
                }
            }
            const { vnode, activeBranch, pendingBranch, pendingId, effects, parentComponent, container } = suspense;
            if (suspense.isHydrating) {
                suspense.isHydrating = false;
            }
            else if (!resume) {
                const delayEnter = activeBranch &&
                    pendingBranch.transition &&
                    pendingBranch.transition.mode === 'out-in';
                if (delayEnter) {
                    activeBranch.transition.afterLeave = () => {
                        if (pendingId === suspense.pendingId) {
                            move(pendingBranch, container, anchor, 0 /* ENTER */);
                        }
                    };
                }
                // this is initial anchor on mount
                let { anchor } = suspense;
                // unmount current active tree
                if (activeBranch) {
                    // if the fallback tree was mounted, it may have been moved
                    // as part of a parent suspense. get the latest anchor for insertion
                    anchor = next(activeBranch);
                    unmount(activeBranch, parentComponent, suspense, true);
                }
                if (!delayEnter) {
                    // move content from off-dom container to actual container
                    move(pendingBranch, container, anchor, 0 /* ENTER */);
                }
            }
            setActiveBranch(suspense, pendingBranch);
            suspense.pendingBranch = null;
            suspense.isInFallback = false;
            // flush buffered effects
            // check if there is a pending parent suspense
            let parent = suspense.parent;
            let hasUnresolvedAncestor = false;
            while (parent) {
                if (parent.pendingBranch) {
                    // found a pending parent suspense, merge buffered post jobs
                    // into that parent
                    parent.effects.push(...effects);
                    hasUnresolvedAncestor = true;
                    break;
                }
                parent = parent.parent;
            }
            // no pending parent suspense, flush all jobs
            if (!hasUnresolvedAncestor) {
                queuePostFlushCb(effects);
            }
            suspense.effects = [];
            // invoke @resolve event
            triggerEvent(vnode, 'onResolve');
        },
        fallback(fallbackVNode) {
            if (!suspense.pendingBranch) {
                return;
            }
            const { vnode, activeBranch, parentComponent, container, isSVG } = suspense;
            // invoke @fallback event
            triggerEvent(vnode, 'onFallback');
            const anchor = next(activeBranch);
            const mountFallback = () => {
                if (!suspense.isInFallback) {
                    return;
                }
                // mount the fallback tree
                patch(null, fallbackVNode, container, anchor, parentComponent, null, // fallback tree will not have suspense context
                isSVG, slotScopeIds, optimized);
                setActiveBranch(suspense, fallbackVNode);
            };
            const delayEnter = fallbackVNode.transition && fallbackVNode.transition.mode === 'out-in';
            if (delayEnter) {
                activeBranch.transition.afterLeave = mountFallback;
            }
            suspense.isInFallback = true;
            // unmount current active branch
            unmount(activeBranch, parentComponent, null, // no suspense so unmount hooks fire now
            true // shouldRemove
            );
            if (!delayEnter) {
                mountFallback();
            }
        },
        move(container, anchor, type) {
            suspense.activeBranch &&
                move(suspense.activeBranch, container, anchor, type);
            suspense.container = container;
        },
        next() {
            return suspense.activeBranch && next(suspense.activeBranch);
        },
        registerDep(instance, setupRenderEffect) {
            const isInPendingSuspense = !!suspense.pendingBranch;
            if (isInPendingSuspense) {
                suspense.deps++;
            }
            const hydratedEl = instance.vnode.el;
            instance
                .asyncDep.catch(err => {
                handleError(err, instance, 0 /* SETUP_FUNCTION */);
            })
                .then(asyncSetupResult => {
                // retry when the setup() promise resolves.
                // component may have been unmounted before resolve.
                if (instance.isUnmounted ||
                    suspense.isUnmounted ||
                    suspense.pendingId !== instance.suspenseId) {
                    return;
                }
                // retry from this component
                instance.asyncResolved = true;
                const { vnode } = instance;
                if ((process.env.NODE_ENV !== 'production')) {
                    pushWarningContext(vnode);
                }
                handleSetupResult(instance, asyncSetupResult, false);
                if (hydratedEl) {
                    // vnode may have been replaced if an update happened before the
                    // async dep is resolved.
                    vnode.el = hydratedEl;
                }
                const placeholder = !hydratedEl && instance.subTree.el;
                setupRenderEffect(instance, vnode, 
                // component may have been moved before resolve.
                // if this is not a hydration, instance.subTree will be the comment
                // placeholder.
                parentNode(hydratedEl || instance.subTree.el), 
                // anchor will not be used if this is hydration, so only need to
                // consider the comment placeholder case.
                hydratedEl ? null : next(instance.subTree), suspense, isSVG, optimized);
                if (placeholder) {
                    remove(placeholder);
                }
                updateHOCHostEl(instance, vnode.el);
                if ((process.env.NODE_ENV !== 'production')) {
                    popWarningContext();
                }
                // only decrease deps count if suspense is not already resolved
                if (isInPendingSuspense && --suspense.deps === 0) {
                    suspense.resolve();
                }
            });
        },
        unmount(parentSuspense, doRemove) {
            suspense.isUnmounted = true;
            if (suspense.activeBranch) {
                unmount(suspense.activeBranch, parentComponent, parentSuspense, doRemove);
            }
            if (suspense.pendingBranch) {
                unmount(suspense.pendingBranch, parentComponent, parentSuspense, doRemove);
            }
        }
    };
    return suspense;
}
function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals, hydrateNode) {
    /* eslint-disable no-restricted-globals */
    const suspense = (vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement('div'), null, isSVG, slotScopeIds, optimized, rendererInternals, true /* hydrating */));
    // there are two possible scenarios for server-rendered suspense:
    // - success: ssr content should be fully resolved
    // - failure: ssr content should be the fallback branch.
    // however, on the client we don't really know if it has failed or not
    // attempt to hydrate the DOM assuming it has succeeded, but we still
    // need to construct a suspense boundary first
    const result = hydrateNode(node, (suspense.pendingBranch = vnode.ssContent), parentComponent, suspense, slotScopeIds, optimized);
    if (suspense.deps === 0) {
        suspense.resolve();
    }
    return result;
    /* eslint-enable no-restricted-globals */
}
function normalizeSuspenseChildren(vnode) {
    const { shapeFlag, children } = vnode;
    const isSlotChildren = shapeFlag & 32 /* SLOTS_CHILDREN */;
    vnode.ssContent = normalizeSuspenseSlot(isSlotChildren ? children.default : children);
    vnode.ssFallback = isSlotChildren
        ? normalizeSuspenseSlot(children.fallback)
        : createVNode(Comment);
}
function normalizeSuspenseSlot(s) {
    let block;
    if (isFunction(s)) {
        const trackBlock = isBlockTreeEnabled && s._c;
        if (trackBlock) {
            // disableTracking: false
            // allow block tracking for compiled slots
            // (see ./componentRenderContext.ts)
            s._d = false;
            openBlock();
        }
        s = s();
        if (trackBlock) {
            s._d = true;
            block = currentBlock;
            closeBlock();
        }
    }
    if (isArray(s)) {
        const singleChild = filterSingleRoot(s);
        if ((process.env.NODE_ENV !== 'production') && !singleChild) {
            warn(`<Suspense> slots expect a single root node.`);
        }
        s = singleChild;
    }
    s = normalizeVNode(s);
    if (block && !s.dynamicChildren) {
        s.dynamicChildren = block.filter(c => c !== s);
    }
    return s;
}
function queueEffectWithSuspense(fn, suspense) {
    if (suspense && suspense.pendingBranch) {
        if (isArray(fn)) {
            suspense.effects.push(...fn);
        }
        else {
            suspense.effects.push(fn);
        }
    }
    else {
        queuePostFlushCb(fn);
    }
}
function setActiveBranch(suspense, branch) {
    suspense.activeBranch = branch;
    const { vnode, parentComponent } = suspense;
    const el = (vnode.el = branch.el);
    // in case suspense is the root node of a component,
    // recursively update the HOC el
    if (parentComponent && parentComponent.subTree === vnode) {
        parentComponent.vnode.el = el;
        updateHOCHostEl(parentComponent, el);
    }
}

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

// Simple effect.
function watchEffect(effect, options) {
    return doWatch(effect, null, options);
}
function watchPostEffect(effect, options) {
    return doWatch(effect, null, ((process.env.NODE_ENV !== 'production')
        ? Object.assign(options || {}, { flush: 'post' })
        : { flush: 'post' }));
}
function watchSyncEffect(effect, options) {
    return doWatch(effect, null, ((process.env.NODE_ENV !== 'production')
        ? Object.assign(options || {}, { flush: 'sync' })
        : { flush: 'sync' }));
}
// initial value for watchers to trigger on undefined initial values
const INITIAL_WATCHER_VALUE = {};
// implementation
function watch(source, cb, options) {
    if ((process.env.NODE_ENV !== 'production') && !isFunction(cb)) {
        warn(`\`watch(fn, options?)\` signature has been moved to a separate API. ` +
            `Use \`watchEffect(fn, options?)\` instead. \`watch\` now only ` +
            `supports \`watch(source, cb, options?) signature.`);
    }
    return doWatch(source, cb, options);
}
function doWatch(source, cb, { immediate, deep, flush, onTrack, onTrigger } = EMPTY_OBJ) {
    if ((process.env.NODE_ENV !== 'production') && !cb) {
        if (immediate !== undefined) {
            warn(`watch() "immediate" option is only respected when using the ` +
                `watch(source, callback, options?) signature.`);
        }
        if (deep !== undefined) {
            warn(`watch() "deep" option is only respected when using the ` +
                `watch(source, callback, options?) signature.`);
        }
    }
    const warnInvalidSource = (s) => {
        warn(`Invalid watch source: `, s, `A watch source can only be a getter/effect function, a ref, ` +
            `a reactive object, or an array of these types.`);
    };
    const instance = currentInstance;
    let getter;
    let forceTrigger = false;
    let isMultiSource = false;
    if (isRef(source)) {
        getter = () => source.value;
        forceTrigger = isShallow$1(source);
    }
    else if (isReactive(source)) {
        getter = () => source;
        deep = true;
    }
    else if (isArray(source)) {
        isMultiSource = true;
        forceTrigger = source.some(isReactive);
        getter = () => source.map(s => {
            if (isRef(s)) {
                return s.value;
            }
            else if (isReactive(s)) {
                return traverse(s);
            }
            else if (isFunction(s)) {
                return callWithErrorHandling(s, instance, 2 /* WATCH_GETTER */);
            }
            else {
                (process.env.NODE_ENV !== 'production') && warnInvalidSource(s);
            }
        });
    }
    else if (isFunction(source)) {
        if (cb) {
            // getter with cb
            getter = () => callWithErrorHandling(source, instance, 2 /* WATCH_GETTER */);
        }
        else {
            // no cb -> simple effect
            getter = () => {
                if (instance && instance.isUnmounted) {
                    return;
                }
                if (cleanup) {
                    cleanup();
                }
                return callWithAsyncErrorHandling(source, instance, 3 /* WATCH_CALLBACK */, [onCleanup]);
            };
        }
    }
    else {
        getter = NOOP;
        (process.env.NODE_ENV !== 'production') && 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 = () => {
            if (!instance || instance.isMounted) {
                queuePreFlushCb(job);
            }
            else {
                // with 'pre' option, the first call must happen before
                // the component is mounted so it is called synchronously.
                job();
            }
        };
    }
    const effect = new ReactiveEffect(getter, scheduler);
    if ((process.env.NODE_ENV !== 'production')) {
        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;
}

function useTransitionState() {
    const state = {
        isMounted: false,
        isLeaving: false,
        isUnmounting: false,
        leavingVNodes: new Map()
    };
    onMounted(() => {
        state.isMounted = true;
    });
    onBeforeUnmount(() => {
        state.isUnmounting = true;
    });
    return state;
}
const TransitionHookValidator = [Function, Array];
const BaseTransitionImpl = {
    name: `BaseTransition`,
    props: {
        mode: String,
        appear: Boolean,
        persisted: Boolean,
        // enter
        onBeforeEnter: TransitionHookValidator,
        onEnter: TransitionHookValidator,
        onAfterEnter: TransitionHookValidator,
        onEnterCancelled: TransitionHookValidator,
        // leave
        onBeforeLeave: TransitionHookValidator,
        onLeave: TransitionHookValidator,
        onAfterLeave: TransitionHookValidator,
        onLeaveCancelled: TransitionHookValidator,
        // appear
        onBeforeAppear: TransitionHookValidator,
        onAppear: TransitionHookValidator,
        onAfterAppear: TransitionHookValidator,
        onAppearCancelled: TransitionHookValidator
    },
    setup(props, { slots }) {
        const instance = getCurrentInstance();
        const state = useTransitionState();
        let prevTransitionKey;
        return () => {
            const children = slots.default && getTransitionRawChildren(slots.default(), true);
            if (!children || !children.length) {
                return;
            }
            // warn multiple elements
            if ((process.env.NODE_ENV !== 'production') && children.length > 1) {
                warn('<transition> can only be used on a single element or component. Use ' +
                    '<transition-group> for lists.');
            }
            // there's no need to track reactivity for these props so use the raw
            // props for a bit better perf
            const rawProps = toRaw(props);
            const { mode } = rawProps;
            // check mode
            if ((process.env.NODE_ENV !== 'production') &&
                mode &&
                mode !== 'in-out' && mode !== 'out-in' && mode !== 'default') {
                warn(`invalid <transition> mode: ${mode}`);
            }
            // at this point children has a guaranteed length of 1.
            const child = children[0];
            if (state.isLeaving) {
                return emptyPlaceholder(child);
            }
            // in the case of <transition><keep-alive/></transition>, we need to
            // compare the type of the kept-alive children.
            const innerChild = getKeepAliveChild(child);
            if (!innerChild) {
                return emptyPlaceholder(child);
            }
            const enterHooks = resolveTransitionHooks(innerChild, rawProps, state, instance);
            setTransitionHooks(innerChild, enterHooks);
            const oldChild = instance.subTree;
            const oldInnerChild = oldChild && getKeepAliveChild(oldChild);
            let transitionKeyChanged = false;
            const { getTransitionKey } = innerChild.type;
            if (getTransitionKey) {
                const key = getTransitionKey();
                if (prevTransitionKey === undefined) {
                    prevTransitionKey = key;
                }
                else if (key !== prevTransitionKey) {
                    prevTransitionKey = key;
                    transitionKeyChanged = true;
                }
            }
            // handle mode
            if (oldInnerChild &&
                oldInnerChild.type !== Comment &&
                (!isSameVNodeType(innerChild, oldInnerChild) || transitionKeyChanged)) {
                const leavingHooks = resolveTransitionHooks(oldInnerChild, rawProps, state, instance);
                // update old tree's hooks in case of dynamic transition
                setTransitionHooks(oldInnerChild, leavingHooks);
                // switching between different views
                if (mode === 'out-in') {
                    state.isLeaving = true;
                    // return placeholder node and queue update when leave finishes
                    leavingHooks.afterLeave = () => {
                        state.isLeaving = false;
                        instance.update();
                    };
                    return emptyPlaceholder(child);
                }
                else if (mode === 'in-out' && innerChild.type !== Comment) {
                    leavingHooks.delayLeave = (el, earlyRemove, delayedLeave) => {
                        const leavingVNodesCache = getLeavingNodesForType(state, oldInnerChild);
                        leavingVNodesCache[String(oldInnerChild.key)] = oldInnerChild;
                        // early removal callback
                        el._leaveCb = () => {
                            earlyRemove();
                            el._leaveCb = undefined;
                            delete enterHooks.delayedLeave;
                        };
                        enterHooks.delayedLeave = delayedLeave;
                    };
                }
            }
            return child;
        };
    }
};
// export the public type for h/tsx inference
// also to avoid inline import() in generated d.ts files
const BaseTransition = BaseTransitionImpl;
function getLeavingNodesForType(state, vnode) {
    const { leavingVNodes } = state;
    let leavingVNodesCache = leavingVNodes.get(vnode.type);
    if (!leavingVNodesCache) {
        leavingVNodesCache = Object.create(null);
        leavingVNodes.set(vnode.type, leavingVNodesCache);
    }
    return leavingVNodesCache;
}
// The transition hooks are attached to the vnode as vnode.transition
// and will be called at appropriate timing in the renderer.
function resolveTransitionHooks(vnode, props, state, instance) {
    const { appear, mode, persisted = false, onBeforeEnter, onEnter, onAfterEnter, onEnterCancelled, onBeforeLeave, onLeave, onAfterLeave, onLeaveCancelled, onBeforeAppear, onAppear, onAfterAppear, onAppearCancelled } = props;
    const key = String(vnode.key);
    const leavingVNodesCache = getLeavingNodesForType(state, vnode);
    const callHook = (hook, args) => {
        hook &&
            callWithAsyncErrorHandling(hook, instance, 9 /* TRANSITION_HOOK */, args);
    };
    const hooks = {
        mode,
        persisted,
        beforeEnter(el) {
            let hook = onBeforeEnter;
            if (!state.isMounted) {
                if (appear) {
                    hook = onBeforeAppear || onBeforeEnter;
                }
                else {
                    return;
                }
            }
            // for same element (v-show)
            if (el._leaveCb) {
                el._leaveCb(true /* cancelled */);
            }
            // for toggled element with same key (v-if)
            const leavingVNode = leavingVNodesCache[key];
            if (leavingVNode &&
                isSameVNodeType(vnode, leavingVNode) &&
                leavingVNode.el._leaveCb) {
                // force early removal (not cancelled)
                leavingVNode.el._leaveCb();
            }
            callHook(hook, [el]);
        },
        enter(el) {
            let hook = onEnter;
            let afterHook = onAfterEnter;
            let cancelHook = onEnterCancelled;
            if (!state.isMounted) {
                if (appear) {
                    hook = onAppear || onEnter;
                    afterHook = onAfterAppear || onAfterEnter;
                    cancelHook = onAppearCancelled || onEnterCancelled;
                }
                else {
                    return;
                }
            }
            let called = false;
            const done = (el._enterCb = (cancelled) => {
                if (called)
                    return;
                called = true;
                if (cancelled) {
                    callHook(cancelHook, [el]);
                }
                else {
                    callHook(afterHook, [el]);
                }
                if (hooks.delayedLeave) {
                    hooks.delayedLeave();
                }
                el._enterCb = undefined;
            });
            if (hook) {
                hook(el, done);
                if (hook.length <= 1) {
                    done();
                }
            }
            else {
                done();
            }
        },
        leave(el, remove) {
            const key = String(vnode.key);
            if (el._enterCb) {
                el._enterCb(true /* cancelled */);
            }
            if (state.isUnmounting) {
                return remove();
            }
            callHook(onBeforeLeave, [el]);
            let called = false;
            const done = (el._leaveCb = (cancelled) => {
                if (called)
                    return;
                called = true;
                remove();
                if (cancelled) {
                    callHook(onLeaveCancelled, [el]);
                }
                else {
                    callHook(onAfterLeave, [el]);
                }
                el._leaveCb = undefined;
                if (leavingVNodesCache[key] === vnode) {
                    delete leavingVNodesCache[key];
                }
            });
            leavingVNodesCache[key] = vnode;
            if (onLeave) {
                onLeave(el, done);
                if (onLeave.length <= 1) {
                    done();
                }
            }
            else {
                done();
            }
        },
        clone(vnode) {
            return resolveTransitionHooks(vnode, props, state, instance);
        }
    };
    return hooks;
}
// the placeholder really only handles one special case: KeepAlive
// in the case of a KeepAlive in a leave phase we need to return a KeepAlive
// placeholder with empty content to avoid the KeepAlive instance from being
// unmounted.
function emptyPlaceholder(vnode) {
    if (isKeepAlive(vnode)) {
        vnode = cloneVNode(vnode);
        vnode.children = null;
        return vnode;
    }
}
function getKeepAliveChild(vnode) {
    return isKeepAlive(vnode)
        ? vnode.children
            ? vnode.children[0]
            : undefined
        : vnode;
}
function setTransitionHooks(vnode, hooks) {
    if (vnode.shapeFlag & 6 /* COMPONENT */ && vnode.component) {
        setTransitionHooks(vnode.component.subTree, hooks);
    }
    else if (vnode.shapeFlag & 128 /* SUSPENSE */) {
        vnode.ssContent.transition = hooks.clone(vnode.ssContent);
        vnode.ssFallback.transition = hooks.clone(vnode.ssFallback);
    }
    else {
        vnode.transition = hooks;
    }
}
function getTransitionRawChildren(children, keepComment = false) {
    let ret = [];
    let keyedFragmentCount = 0;
    for (let i = 0; i < children.length; i++) {
        const child = children[i];
        // handle fragment children case, e.g. v-for
        if (child.type === Fragment) {
            if (child.patchFlag & 128 /* KEYED_FRAGMENT */)
                keyedFragmentCount++;
            ret = ret.concat(getTransitionRawChildren(child.children, keepComment));
        }
        // comment placeholders should be skipped, e.g. v-if
        else if (keepComment || child.type !== Comment) {
            ret.push(child);
        }
    }
    // #1126 if a transition children list contains multiple sub fragments, these
    // fragments will be merged into a flat children array. Since each v-for
    // fragment may contain different static bindings inside, we need to de-op
    // these children to force full diffs to ensure correct behavior.
    if (keyedFragmentCount > 1) {
        for (let i = 0; i < ret.length; i++) {
            ret[i].patchFlag = -2 /* BAIL */;
        }
    }
    return ret;
}

// implementation, close to no-op
function defineComponent(options) {
    return isFunction(options) ? { setup: options, name: options.name } : options;
}

const isAsyncWrapper = (i) => !!i.type.__asyncLoader;
function defineAsyncComponent(source) {
    if (isFunction(source)) {
        source = { loader: source };
    }
    const { loader, loadingComponent, errorComponent, delay = 200, timeout, // undefined = never times out
    suspensible = true, onError: userOnError } = source;
    let pendingRequest = null;
    let resolvedComp;
    let retries = 0;
    const retry = () => {
        retries++;
        pendingRequest = null;
        return load();
    };
    const load = () => {
        let thisRequest;
        return (pendingRequest ||
            (thisRequest = pendingRequest =
                loader()
                    .catch(err => {
                    err = err instanceof Error ? err : new Error(String(err));
                    if (userOnError) {
                        return new Promise((resolve, reject) => {
                            const userRetry = () => resolve(retry());
                            const userFail = () => reject(err);
                            userOnError(err, userRetry, userFail, retries + 1);
                        });
                    }
                    else {
                        throw err;
                    }
                })
                    .then((comp) => {
                    if (thisRequest !== pendingRequest && pendingRequest) {
                        return pendingRequest;
                    }
                    if ((process.env.NODE_ENV !== 'production') && !comp) {
                        warn(`Async component loader resolved to undefined. ` +
                            `If you are using retry(), make sure to return its return value.`);
                    }
                    // interop module default
                    if (comp &&
                        (comp.__esModule || comp[Symbol.toStringTag] === 'Module')) {
                        comp = comp.default;
                    }
                    if ((process.env.NODE_ENV !== 'production') && comp && !isObject(comp) && !isFunction(comp)) {
                        throw new Error(`Invalid async component load result: ${comp}`);
                    }
                    resolvedComp = comp;
                    return comp;
                })));
    };
    return defineComponent({
        name: 'AsyncComponentWrapper',
        __asyncLoader: load,
        get __asyncResolved() {
            return resolvedComp;
        },
        setup() {
            const instance = currentInstance;
            // already resolved
            if (resolvedComp) {
                return () => createInnerComp(resolvedComp, instance);
            }
            const onError = (err) => {
                pendingRequest = null;
                handleError(err, instance, 13 /* ASYNC_COMPONENT_LOADER */, !errorComponent /* do not throw in dev if user provided error component */);
            };
            // suspense-controlled or SSR.
            if ((suspensible && instance.suspense) ||
                (isInSSRComponentSetup)) {
                return load()
                    .then(comp => {
                    return () => createInnerComp(comp, instance);
                })
                    .catch(err => {
                    onError(err);
                    return () => errorComponent
                        ? createVNode(errorComponent, {
                            error: err
                        })
                        : null;
                });
            }
            const loaded = ref(false);
            const error = ref();
            const delayed = ref(!!delay);
            if (delay) {
                setTimeout(() => {
                    delayed.value = false;
                }, delay);
            }
            if (timeout != null) {
                setTimeout(() => {
                    if (!loaded.value && !error.value) {
                        const err = new Error(`Async component timed out after ${timeout}ms.`);
                        onError(err);
                        error.value = err;
                    }
                }, timeout);
            }
            load()
                .then(() => {
                loaded.value = true;
                if (instance.parent && isKeepAlive(instance.parent.vnode)) {
                    // parent is keep-alive, force update so the loaded component's
                    // name is taken into account
                    queueJob(instance.parent.update);
                }
            })
                .catch(err => {
                onError(err);
                error.value = err;
            });
            return () => {
                if (loaded.value && resolvedComp) {
                    return createInnerComp(resolvedComp, instance);
                }
                else if (error.value && errorComponent) {
                    return createVNode(errorComponent, {
                        error: error.value
                    });
                }
                else if (loadingComponent && !delayed.value) {
                    return createVNode(loadingComponent);
                }
            };
        }
    });
}
function createInnerComp(comp, { vnode: { ref, props, children } }) {
    const vnode = createVNode(comp, props, children);
    // ensure inner component inherits the async wrapper's ref owner
    vnode.ref = ref;
    return vnode;
}

const isKeepAlive = (vnode) => vnode.type.__isKeepAlive;
const KeepAliveImpl = {
    name: `KeepAlive`,
    // Marker for special handling inside the renderer. We are not using a ===
    // check directly on KeepAlive in the renderer, because importing it directly
    // would prevent it from being tree-shaken.
    __isKeepAlive: true,
    props: {
        include: [String, RegExp, Array],
        exclude: [String, RegExp, Array],
        max: [String, Number]
    },
    setup(props, { slots }) {
        const instance = getCurrentInstance();
        // KeepAlive communicates with the instantiated renderer via the
        // ctx where the renderer passes in its internals,
        // and the KeepAlive instance exposes activate/deactivate implementations.
        // The whole point of this is to avoid importing KeepAlive directly in the
        // renderer to facilitate tree-shaking.
        const sharedContext = instance.ctx;
        // if the internal renderer is not registered, it indicates that this is server-side rendering,
        // for KeepAlive, we just need to render its children
        if (!sharedContext.renderer) {
            return slots.default;
        }
        const cache = new Map();
        const keys = new Set();
        let current = null;
        if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
            instance.__v_cache = cache;
        }
        const parentSuspense = instance.suspense;
        const { renderer: { p: patch, m: move, um: _unmount, o: { createElement } } } = sharedContext;
        const storageContainer = createElement('div');
        sharedContext.activate = (vnode, container, anchor, isSVG, optimized) => {
            const instance = vnode.component;
            move(vnode, container, anchor, 0 /* ENTER */, parentSuspense);
            // in case props have changed
            patch(instance.vnode, vnode, container, anchor, instance, parentSuspense, isSVG, vnode.slotScopeIds, optimized);
            queuePostRenderEffect(() => {
                instance.isDeactivated = false;
                if (instance.a) {
                    invokeArrayFns(instance.a);
                }
                const vnodeHook = vnode.props && vnode.props.onVnodeMounted;
                if (vnodeHook) {
                    invokeVNodeHook(vnodeHook, instance.parent, vnode);
                }
            }, parentSuspense);
            if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
                // Update components tree
                devtoolsComponentAdded(instance);
            }
        };
        sharedContext.deactivate = (vnode) => {
            const instance = vnode.component;
            move(vnode, storageContainer, null, 1 /* LEAVE */, parentSuspense);
            queuePostRenderEffect(() => {
                if (instance.da) {
                    invokeArrayFns(instance.da);
                }
                const vnodeHook = vnode.props && vnode.props.onVnodeUnmounted;
                if (vnodeHook) {
                    invokeVNodeHook(vnodeHook, instance.parent, vnode);
                }
                instance.isDeactivated = true;
            }, parentSuspense);
            if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
                // Update components tree
                devtoolsComponentAdded(instance);
            }
        };
        function unmount(vnode) {
            // reset the shapeFlag so it can be properly unmounted
            resetShapeFlag(vnode);
            _unmount(vnode, instance, parentSuspense, true);
        }
        function pruneCache(filter) {
            cache.forEach((vnode, key) => {
                const name = getComponentName(vnode.type);
                if (name && (!filter || !filter(name))) {
                    pruneCacheEntry(key);
                }
            });
        }
        function pruneCacheEntry(key) {
            const cached = cache.get(key);
            if (!current || cached.type !== current.type) {
                unmount(cached);
            }
            else if (current) {
                // current active instance should no longer be kept-alive.
                // we can't unmount it now but it might be later, so reset its flag now.
                resetShapeFlag(current);
            }
            cache.delete(key);
            keys.delete(key);
        }
        // prune cache on include/exclude prop change
        watch(() => [props.include, props.exclude], ([include, exclude]) => {
            include && pruneCache(name => matches(include, name));
            exclude && pruneCache(name => !matches(exclude, name));
        }, 
        // prune post-render after `current` has been updated
        { flush: 'post', deep: true });
        // cache sub tree after render
        let pendingCacheKey = null;
        const cacheSubtree = () => {
            // fix #1621, the pendingCacheKey could be 0
            if (pendingCacheKey != null) {
                cache.set(pendingCacheKey, getInnerChild(instance.subTree));
            }
        };
        onMounted(cacheSubtree);
        onUpdated(cacheSubtree);
        onBeforeUnmount(() => {
            cache.forEach(cached => {
                const { subTree, suspense } = instance;
                const vnode = getInnerChild(subTree);
                if (cached.type === vnode.type) {
                    // current instance will be unmounted as part of keep-alive's unmount
                    resetShapeFlag(vnode);
                    // but invoke its deactivated hook here
                    const da = vnode.component.da;
                    da && queuePostRenderEffect(da, suspense);
                    return;
                }
                unmount(cached);
            });
        });
        return () => {
            pendingCacheKey = null;
            if (!slots.default) {
                return null;
            }
            const children = slots.default();
            const rawVNode = children[0];
            if (children.length > 1) {
                if ((process.env.NODE_ENV !== 'production')) {
                    warn(`KeepAlive should contain exactly one component child.`);
                }
                current = null;
                return children;
            }
            else if (!isVNode(rawVNode) ||
                (!(rawVNode.shapeFlag & 4 /* STATEFUL_COMPONENT */) &&
                    !(rawVNode.shapeFlag & 128 /* SUSPENSE */))) {
                current = null;
                return rawVNode;
            }
            let vnode = getInnerChild(rawVNode);
            const comp = vnode.type;
            // for async components, name check should be based in its loaded
            // inner component if available
            const name = getComponentName(isAsyncWrapper(vnode)
                ? vnode.type.__asyncResolved || {}
                : comp);
            const { include, exclude, max } = props;
            if ((include && (!name || !matches(include, name))) ||
                (exclude && name && matches(exclude, name))) {
                current = vnode;
                return rawVNode;
            }
            const key = vnode.key == null ? comp : vnode.key;
            const cachedVNode = cache.get(key);
            // clone vnode if it's reused because we are going to mutate it
            if (vnode.el) {
                vnode = cloneVNode(vnode);
                if (rawVNode.shapeFlag & 128 /* SUSPENSE */) {
                    rawVNode.ssContent = vnode;
                }
            }
            // #1513 it's possible for the returned vnode to be cloned due to attr
            // fallthrough or scopeId, so the vnode here may not be the final vnode
            // that is mounted. Instead of caching it directly, we store the pending
            // key and cache `instance.subTree` (the normalized vnode) in
            // beforeMount/beforeUpdate hooks.
            pendingCacheKey = key;
            if (cachedVNode) {
                // copy over mounted state
                vnode.el = cachedVNode.el;
                vnode.component = cachedVNode.component;
                if (vnode.transition) {
                    // recursively update transition hooks on subTree
                    setTransitionHooks(vnode, vnode.transition);
                }
                // avoid vnode being mounted as fresh
                vnode.shapeFlag |= 512 /* COMPONENT_KEPT_ALIVE */;
                // make this key the freshest
                keys.delete(key);
                keys.add(key);
            }
            else {
                keys.add(key);
                // prune oldest entry
                if (max && keys.size > parseInt(max, 10)) {
                    pruneCacheEntry(keys.values().next().value);
                }
            }
            // avoid vnode being unmounted
            vnode.shapeFlag |= 256 /* COMPONENT_SHOULD_KEEP_ALIVE */;
            current = vnode;
            return rawVNode;
        };
    }
};
// export the public type for h/tsx inference
// also to avoid inline import() in generated d.ts files
const KeepAlive = KeepAliveImpl;
function matches(pattern, name) {
    if (isArray(pattern)) {
        return pattern.some((p) => matches(p, name));
    }
    else if (isString(pattern)) {
        return pattern.split(',').includes(name);
    }
    else if (pattern.test) {
        return pattern.test(name);
    }
    /* istanbul ignore next */
    return false;
}
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 resetShapeFlag(vnode) {
    let shapeFlag = vnode.shapeFlag;
    if (shapeFlag & 256 /* COMPONENT_SHOULD_KEEP_ALIVE */) {
        shapeFlag -= 256 /* COMPONENT_SHOULD_KEEP_ALIVE */;
    }
    if (shapeFlag & 512 /* COMPONENT_KEPT_ALIVE */) {
        shapeFlag -= 512 /* COMPONENT_KEPT_ALIVE */;
    }
    vnode.shapeFlag = shapeFlag;
}
function getInnerChild(vnode) {
    return vnode.shapeFlag & 128 /* SUSPENSE */ ? vnode.ssContent : vnode;
}

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 if ((process.env.NODE_ENV !== 'production')) {
        // fixed by xxxxxx
        const apiName = toHandlerKey((ErrorTypeStrings[type] || type.replace(/^on/, '')).replace(/ hook$/, ''));
        warn(`${apiName} is called when there is no active component instance to be ` +
            `associated with. ` +
            `Lifecycle injection APIs can only be used during execution of setup().` +
            (` 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);
}

function createDuplicateChecker() {
    const cache = Object.create(null);
    return (type, key) => {
        if (cache[key]) {
            warn(`${type} property "${key}" is already defined in ${cache[key]}.`);
        }
        else {
            cache[key] = type;
        }
    };
}
let 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 = (process.env.NODE_ENV !== 'production') ? createDuplicateChecker() : null;
    if ((process.env.NODE_ENV !== 'production')) {
        const [propsOptions] = instance.propsOptions;
        if (propsOptions) {
            for (const key in propsOptions) {
                checkDuplicateProperties("Props" /* PROPS */, key);
            }
        }
    }
    // options initialization order (to be consistent with Vue 2):
    // - props (already done outside of this function)
    // - inject
    // - methods
    // - data (deferred since it relies on `this` access)
    // - computed
    // - watch (deferred since it relies on `this` access)
    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
                if ((process.env.NODE_ENV !== 'production')) {
                    Object.defineProperty(ctx, key, {
                        value: methodHandler.bind(publicThis),
                        configurable: true,
                        enumerable: true,
                        writable: true
                    });
                }
                else {
                    ctx[key] = methodHandler.bind(publicThis);
                }
                if ((process.env.NODE_ENV !== 'production')) {
                    checkDuplicateProperties("Methods" /* METHODS */, key);
                }
            }
            else if ((process.env.NODE_ENV !== 'production')) {
                warn(`Method "${key}" has type "${typeof methodHandler}" in the component definition. ` +
                    `Did you reference the function correctly?`);
            }
        }
    }
    if (dataOptions) {
        if ((process.env.NODE_ENV !== 'production') && !isFunction(dataOptions)) {
            warn(`The data option must be a function. ` +
                `Plain object usage is no longer supported.`);
        }
        const data = dataOptions.call(publicThis, publicThis);
        if ((process.env.NODE_ENV !== 'production') && isPromise(data)) {
            warn(`data() returned a Promise - note data() cannot be async; If you ` +
                `intend to perform data fetching before component renders, use ` +
                `async setup() + <Suspense>.`);
        }
        if (!isObject(data)) {
            (process.env.NODE_ENV !== 'production') && warn(`data() should return an object.`);
        }
        else {
            instance.data = reactive(data);
            if ((process.env.NODE_ENV !== 'production')) {
                for (const key in data) {
                    checkDuplicateProperties("Data" /* DATA */, key);
                    // expose data on ctx during dev
                    if (key[0] !== '$' && 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 ((process.env.NODE_ENV !== 'production') && get === NOOP) {
                warn(`Computed property "${key}" has no getter.`);
            }
            const set = !isFunction(opt) && isFunction(opt.set)
                ? opt.set.bind(publicThis)
                : (process.env.NODE_ENV !== 'production')
                    ? () => {
                        warn(`Write operation failed: computed property "${key}" is readonly.`);
                    }
                    : NOOP;
            const c = computed({
                get,
                set
            });
            Object.defineProperty(ctx, key, {
                enumerable: true,
                configurable: true,
                get: () => c.value,
                set: v => (c.value = v)
            });
            if ((process.env.NODE_ENV !== 'production')) {
                checkDuplicateProperties("Computed" /* COMPUTED */, key);
            }
        }
    }
    if (watchOptions) {
        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;
    // fixed by xxxxxx
    const customApplyOptions = instance.appContext.config.globalProperties
        .$applyOptions;
    if (customApplyOptions) {
        customApplyOptions(options, instance, publicThis);
    }
}
function resolveInjections(injectOptions, ctx, checkDuplicateProperties = NOOP, unwrapRef = false) {
    if (isArray(injectOptions)) {
        injectOptions = normalizeInject(injectOptions);
    }
    for (const key in injectOptions) {
        const opt = injectOptions[key];
        let injected;
        if (isObject(opt)) {
            if ('default' in opt) {
                injected = inject(opt.from || key, opt.default, true /* treat default function as factory */);
            }
            else {
                injected = inject(opt.from || key);
            }
        }
        else {
            injected = inject(opt);
        }
        if (isRef(injected)) {
            // TODO remove the check in 3.3
            if (unwrapRef) {
                Object.defineProperty(ctx, key, {
                    enumerable: true,
                    configurable: true,
                    get: () => injected.value,
                    set: v => (injected.value = v)
                });
            }
            else {
                if ((process.env.NODE_ENV !== 'production')) {
                    warn(`injected property "${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;
        }
        if ((process.env.NODE_ENV !== 'production')) {
            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 if ((process.env.NODE_ENV !== 'production')) {
            warn(`Invalid watch handler specified by key "${raw}"`, handler);
        }
    }
    else if (isFunction(raw)) {
        watch(getter, raw.bind(publicThis));
    }
    else if (isObject(raw)) {
        if (isArray(raw)) {
            raw.forEach(r => createWatcher(r, ctx, publicThis, key));
        }
        else {
            const handler = isFunction(raw.handler)
                ? raw.handler.bind(publicThis)
                : ctx[raw.handler];
            if (isFunction(handler)) {
                watch(getter, handler, raw);
            }
            else if ((process.env.NODE_ENV !== 'production')) {
                warn(`Invalid watch handler specified by key "${raw.handler}"`, handler);
            }
        }
    }
    else if ((process.env.NODE_ENV !== 'production')) {
        warn(`Invalid watch option: "${key}"`, raw);
    }
}
/**
 * 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') {
            (process.env.NODE_ENV !== 'production') &&
                warn(`"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
    if ((process.env.NODE_ENV !== 'production')) {
        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
    !((process.env.NODE_ENV !== 'production') &&
        (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];
                // 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');
    }
    if ((process.env.NODE_ENV !== 'production')) {
        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 (__VUE_OPTIONS_API__ && !isFunction(comp)) {
        const extendProps = (raw) => {
            hasExtends = true;
            const [props, keys] = normalizePropsOptions(raw, appContext, true);
            extend(normalized, props);
            if (keys)
                needCastKeys.push(...keys);
        };
        if (!asMixin && appContext.mixins.length) {
            appContext.mixins.forEach(extendProps);
        }
        if (comp.extends) {
            extendProps(comp.extends);
        }
        if (comp.mixins) {
            comp.mixins.forEach(extendProps);
        }
    }
    if (!raw && !hasExtends) {
        cache.set(comp, EMPTY_ARR);
        return EMPTY_ARR;
    }
    if (isArray(raw)) {
        for (let i = 0; i < raw.length; i++) {
            if ((process.env.NODE_ENV !== 'production') && !isString(raw[i])) {
                warn(`props must be strings when using array syntax.`, raw[i]);
            }
            const normalizedKey = camelize(raw[i]);
            if (validatePropName(normalizedKey)) {
                normalized[normalizedKey] = EMPTY_OBJ;
            }
        }
    }
    else if (raw) {
        if ((process.env.NODE_ENV !== 'production') && !isObject(raw)) {
            warn(`invalid props options`, raw);
        }
        for (const key in raw) {
            const normalizedKey = camelize(key);
            if (validatePropName(normalizedKey)) {
                const opt = raw[key];
                const prop = (normalized[normalizedKey] =
                    isArray(opt) || isFunction(opt) ? { type: opt } : opt);
                if (prop) {
                    const booleanIndex = getTypeIndex(Boolean, prop.type);
                    const stringIndex = getTypeIndex(String, prop.type);
                    prop[0 /* shouldCast */] = booleanIndex > -1;
                    prop[1 /* shouldCastTrue */] =
                        stringIndex < 0 || booleanIndex < stringIndex;
                    // if the prop needs boolean casting or default value
                    if (booleanIndex > -1 || hasOwn(prop, 'default')) {
                        needCastKeys.push(normalizedKey);
                    }
                }
            }
        }
    }
    const res = [normalized, needCastKeys];
    cache.set(comp, res);
    return res;
}
function validatePropName(key) {
    if (key[0] !== '$') {
        return true;
    }
    else if ((process.env.NODE_ENV !== 'production')) {
        warn(`Invalid prop name: "${key}" is a reserved property.`);
    }
    return false;
}
// use function string name to check type constructors
// so that it works across vms / iframes.
function getType(ctor) {
    const match = ctor && ctor.toString().match(/^\s*function (\w+)/);
    return match ? match[1] : 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('Missing required prop: "' + name + '"');
        return;
    }
    // missing but optional
    if (value == null && !prop.required) {
        return;
    }
    // type check
    if (type != null && type !== true) {
        let isValid = false;
        const types = isArray(type) ? type : [type];
        const expectedTypes = [];
        // value is valid as long as one of the specified types match
        for (let i = 0; i < types.length && !isValid; i++) {
            const { valid, expectedType } = assertType(value, types[i]);
            expectedTypes.push(expectedType || '');
            isValid = valid;
        }
        if (!isValid) {
            warn(getInvalidTypeMessage(name, value, expectedTypes));
            return;
        }
    }
    // custom validator
    if (validator && !validator(value)) {
        warn('Invalid prop: custom validator check failed for prop "' + name + '".');
    }
}
const isSimpleType = /*#__PURE__*/ makeMap('String,Number,Boolean,Function,Symbol,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 === '$stable';
const normalizeSlotValue = (value) => isArray(value)
    ? value.map(normalizeVNode)
    : [normalizeVNode(value)];
const normalizeSlot = (key, rawSlot, ctx) => {
    const normalized = withCtx((...args) => {
        if ((process.env.NODE_ENV !== 'production') && currentInstance) {
            warn(`Slot "${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) {
            if ((process.env.NODE_ENV !== 'production') &&
                !(false )) {
                warn(`Non-function value encountered for slot "${key}". ` +
                    `Prefer function slots for better performance.`);
            }
            const normalized = normalizeSlotValue(value);
            slots[key] = () => normalized;
        }
    }
};
const normalizeVNodeSlots = (instance, children) => {
    if ((process.env.NODE_ENV !== 'production') &&
        !isKeepAlive(instance.vnode) &&
        !(false )) {
        warn(`Non-function value encountered for default slot. ` +
            `Prefer function slots for better performance.`);
    }
    const normalized = normalizeSlotValue(children);
    instance.slots.default = () => normalized;
};
const initSlots = (instance, children) => {
    if (instance.vnode.shapeFlag & 32 /* SLOTS_CHILDREN */) {
        const type = children._;
        if (type) {
            // users can get the shallow readonly version of the slots object through `this.$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 ((process.env.NODE_ENV !== 'production') && 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];
            }
        }
    }
};

/**
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('Do not use built-in directive ids as custom directive id: ' + name);
    }
}
/**
 * Adds directives to a VNode.
 */
function withDirectives(vnode, directives) {
    const internalInstance = currentRenderingInstance;
    if (internalInstance === null) {
        (process.env.NODE_ENV !== 'production') && warn(`withDirectives can only be used inside render functions.`);
        return vnode;
    }
    const instance = internalInstance.proxy;
    const bindings = vnode.dirs || (vnode.dirs = []);
    for (let i = 0; i < directives.length; i++) {
        let [dir, value, arg, modifiers = EMPTY_OBJ] = directives[i];
        if (isFunction(dir)) {
            dir = {
                mounted: dir,
                updated: dir
            };
        }
        if (dir.deep) {
            traverse(value);
        }
        bindings.push({
            dir,
            instance,
            value,
            oldValue: void 0,
            arg,
            modifiers
        });
    }
    return vnode;
}
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();
        }
    }
}

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 (rootProps != null && !isObject(rootProps)) {
            (process.env.NODE_ENV !== 'production') && warn(`root props passed to app.mount() must be an object.`);
            rootProps = null;
        }
        const context = createAppContext();
        const installedPlugins = new Set();
        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) {
                if ((process.env.NODE_ENV !== 'production')) {
                    warn(`app.config cannot be replaced. Modify individual options instead.`);
                }
            },
            use(plugin, ...options) {
                if (installedPlugins.has(plugin)) {
                    (process.env.NODE_ENV !== 'production') && warn(`Plugin has already been applied to target app.`);
                }
                else if (plugin && isFunction(plugin.install)) {
                    installedPlugins.add(plugin);
                    plugin.install(app, ...options);
                }
                else if (isFunction(plugin)) {
                    installedPlugins.add(plugin);
                    plugin(app, ...options);
                }
                else if ((process.env.NODE_ENV !== 'production')) {
                    warn(`A plugin must either be a function or an object with an "install" ` +
                        `function.`);
                }
                return app;
            },
            mixin(mixin) {
                if (__VUE_OPTIONS_API__) {
                    if (!context.mixins.includes(mixin)) {
                        context.mixins.push(mixin);
                    }
                    else if ((process.env.NODE_ENV !== 'production')) {
                        warn('Mixin has already been applied to target app' +
                            (mixin.name ? `: ${mixin.name}` : ''));
                    }
                }
                else if ((process.env.NODE_ENV !== 'production')) {
                    warn('Mixins are only available in builds supporting Options API');
                }
                return app;
            },
            component(name, component) {
                if ((process.env.NODE_ENV !== 'production')) {
                    validateComponentName(name, context.config);
                }
                if (!component) {
                    return context.components[name];
                }
                if ((process.env.NODE_ENV !== 'production') && context.components[name]) {
                    warn(`Component "${name}" has already been registered in target app.`);
                }
                context.components[name] = component;
                return app;
            },
            directive(name, directive) {
                if ((process.env.NODE_ENV !== 'production')) {
                    validateDirectiveName(name);
                }
                if (!directive) {
                    return context.directives[name];
                }
                if ((process.env.NODE_ENV !== 'production') && context.directives[name]) {
                    warn(`Directive "${name}" has already been registered in target app.`);
                }
                context.directives[name] = directive;
                return app;
            },
            mount(rootContainer, isHydrate, isSVG) {
                if (!isMounted) {
                    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
                    if ((process.env.NODE_ENV !== 'production')) {
                        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;
                    if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
                        app._instance = vnode.component;
                        devtoolsInitApp(app, version);
                    }
                    return getExposeProxy(vnode.component) || vnode.component.proxy;
                }
                else if ((process.env.NODE_ENV !== 'production')) {
                    warn(`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);
                    if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
                        app._instance = null;
                        devtoolsUnmountApp(app);
                    }
                    delete app._container.__vue_app__;
                }
                else if ((process.env.NODE_ENV !== 'production')) {
                    warn(`Cannot unmount an app that is not mounted.`);
                }
            },
            provide(key, value) {
                if ((process.env.NODE_ENV !== 'production') && key in context.provides) {
                    warn(`App already provides property with key "${String(key)}". ` +
                        `It will be overwritten with the new value.`);
                }
                // TypeScript doesn't allow symbols as index type
                // https://github.com/Microsoft/TypeScript/issues/24587
                context.provides[key] = value;
                return app;
            }
        });
        return app;
    };
}

/**
 * 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 ((process.env.NODE_ENV !== 'production') && !owner) {
        warn(`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];
                            }
                            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)) {
                    ref.value = value;
                    if (rawRef.k)
                        refs[rawRef.k] = value;
                }
                else if ((process.env.NODE_ENV !== 'production')) {
                    warn('Invalid template ref type:', ref, `(${typeof ref})`);
                }
            };
            if (value) {
                doSet.id = -1;
                queuePostRenderEffect(doSet, parentSuspense);
            }
            else {
                doSet();
            }
        }
        else if ((process.env.NODE_ENV !== 'production')) {
            warn('Invalid template ref type:', ref, `(${typeof ref})`);
        }
    }
}

let hasMismatch = false;
const isSVGContainer = (container) => /svg/.test(container.namespaceURI) && container.tagName !== 'foreignObject';
const isComment = (node) => node.nodeType === 8 /* COMMENT */;
// Note: hydration is DOM-specific
// But we have to place it in core due to tight coupling with core - splitting
// it out creates a ton of unnecessary complexity.
// Hydration also depends on some renderer internal logic which needs to be
// passed in via arguments.
function createHydrationFunctions(rendererInternals) {
    const { mt: mountComponent, p: patch, o: { patchProp, nextSibling, parentNode, remove, insert, createComment } } = rendererInternals;
    const hydrate = (vnode, container) => {
        if (!container.hasChildNodes()) {
            (process.env.NODE_ENV !== 'production') &&
                warn(`Attempting to hydrate existing markup but container is empty. ` +
                    `Performing full mount instead.`);
            patch(null, vnode, container);
            flushPostFlushCbs();
            return;
        }
        hasMismatch = false;
        hydrateNode(container.firstChild, vnode, null, null, null);
        flushPostFlushCbs();
        if (hasMismatch && !false) {
            // this error should show up in production
            console.error(`Hydration completed but contains mismatches.`);
        }
    };
    const hydrateNode = (node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized = false) => {
        const isFragmentStart = isComment(node) && node.data === '[';
        const onMismatch = () => handleMismatch(node, vnode, parentComponent, parentSuspense, slotScopeIds, isFragmentStart);
        const { type, ref, shapeFlag } = vnode;
        const domType = node.nodeType;
        vnode.el = node;
        let nextNode = null;
        switch (type) {
            case Text:
                if (domType !== 3 /* TEXT */) {
                    nextNode = onMismatch();
                }
                else {
                    if (node.data !== vnode.children) {
                        hasMismatch = true;
                        (process.env.NODE_ENV !== 'production') &&
                            warn(`Hydration text mismatch:` +
                                `\n- Client: ${JSON.stringify(node.data)}` +
                                `\n- Server: ${JSON.stringify(vnode.children)}`);
                        node.data = vnode.children;
                    }
                    nextNode = nextSibling(node);
                }
                break;
            case Comment:
                if (domType !== 8 /* COMMENT */ || isFragmentStart) {
                    nextNode = onMismatch();
                }
                else {
                    nextNode = nextSibling(node);
                }
                break;
            case Static:
                if (domType !== 1 /* ELEMENT */) {
                    nextNode = onMismatch();
                }
                else {
                    // determine anchor, adopt content
                    nextNode = node;
                    // if the static vnode has its content stripped during build,
                    // adopt it from the server-rendered HTML.
                    const needToAdoptContent = !vnode.children.length;
                    for (let i = 0; i < vnode.staticCount; i++) {
                        if (needToAdoptContent)
                            vnode.children += nextNode.outerHTML;
                        if (i === vnode.staticCount - 1) {
                            vnode.anchor = nextNode;
                        }
                        nextNode = nextSibling(nextNode);
                    }
                    return nextNode;
                }
                break;
            case Fragment:
                if (!isFragmentStart) {
                    nextNode = onMismatch();
                }
                else {
                    nextNode = hydrateFragment(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized);
                }
                break;
            default:
                if (shapeFlag & 1 /* ELEMENT */) {
                    if (domType !== 1 /* ELEMENT */ ||
                        vnode.type.toLowerCase() !==
                            node.tagName.toLowerCase()) {
                        nextNode = onMismatch();
                    }
                    else {
                        nextNode = hydrateElement(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized);
                    }
                }
                else if (shapeFlag & 6 /* COMPONENT */) {
                    // when setting up the render effect, if the initial vnode already
                    // has .el set, the component will perform hydration instead of mount
                    // on its sub-tree.
                    vnode.slotScopeIds = slotScopeIds;
                    const container = parentNode(node);
                    mountComponent(vnode, container, null, parentComponent, parentSuspense, isSVGContainer(container), optimized);
                    // component may be async, so in the case of fragments we cannot rely
                    // on component's rendered output to determine the end of the fragment
                    // instead, we do a lookahead to find the end anchor node.
                    nextNode = isFragmentStart
                        ? locateClosingAsyncAnchor(node)
                        : nextSibling(node);
                    // #3787
                    // if component is async, it may get moved / unmounted before its
                    // inner component is loaded, so we need to give it a placeholder
                    // vnode that matches its adopted DOM.
                    if (isAsyncWrapper(vnode)) {
                        let subTree;
                        if (isFragmentStart) {
                            subTree = createVNode(Fragment);
                            subTree.anchor = nextNode
                                ? nextNode.previousSibling
                                : container.lastChild;
                        }
                        else {
                            subTree =
                                node.nodeType === 3 ? createTextVNode('') : createVNode('div');
                        }
                        subTree.el = node;
                        vnode.component.subTree = subTree;
                    }
                }
                else if (shapeFlag & 64 /* TELEPORT */) {
                    if (domType !== 8 /* COMMENT */) {
                        nextNode = onMismatch();
                    }
                    else {
                        nextNode = vnode.type.hydrate(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized, rendererInternals, hydrateChildren);
                    }
                }
                else if (shapeFlag & 128 /* SUSPENSE */) {
                    nextNode = vnode.type.hydrate(node, vnode, parentComponent, parentSuspense, isSVGContainer(parentNode(node)), slotScopeIds, optimized, rendererInternals, hydrateNode);
                }
                else if ((process.env.NODE_ENV !== 'production')) {
                    warn('Invalid HostVNode type:', type, `(${typeof type})`);
                }
        }
        if (ref != null) {
            setRef(ref, null, parentSuspense, vnode);
        }
        return nextNode;
    };
    const hydrateElement = (el, vnode, parentComponent, parentSuspense, slotScopeIds, optimized) => {
        optimized = optimized || !!vnode.dynamicChildren;
        const { type, props, patchFlag, shapeFlag, dirs } = vnode;
        // #4006 for form elements with non-string v-model value bindings
        // e.g. <option :value="obj">, <input type="checkbox" :true-value="1">
        const forcePatchValue = (type === 'input' && dirs) || type === 'option';
        // skip props & children if this is hoisted static nodes
        // #5405 in dev, always hydrate children for HMR
        if ((process.env.NODE_ENV !== 'production') || forcePatchValue || patchFlag !== -1 /* HOISTED */) {
            if (dirs) {
                invokeDirectiveHook(vnode, null, parentComponent, 'created');
            }
            // props
            if (props) {
                if (forcePatchValue ||
                    !optimized ||
                    patchFlag & (16 /* FULL_PROPS */ | 32 /* HYDRATE_EVENTS */)) {
                    for (const key in props) {
                        if ((forcePatchValue && key.endsWith('value')) ||
                            (isOn(key) && !isReservedProp(key))) {
                            patchProp(el, key, null, props[key], false, undefined, parentComponent);
                        }
                    }
                }
                else if (props.onClick) {
                    // Fast path for click listeners (which is most often) to avoid
                    // iterating through props.
                    patchProp(el, 'onClick', null, props.onClick, false, undefined, parentComponent);
                }
            }
            // vnode / directive hooks
            let vnodeHooks;
            if ((vnodeHooks = props && props.onVnodeBeforeMount)) {
                invokeVNodeHook(vnodeHooks, parentComponent, vnode);
            }
            if (dirs) {
                invokeDirectiveHook(vnode, null, parentComponent, 'beforeMount');
            }
            if ((vnodeHooks = props && props.onVnodeMounted) || dirs) {
                queueEffectWithSuspense(() => {
                    vnodeHooks && invokeVNodeHook(vnodeHooks, parentComponent, vnode);
                    dirs && invokeDirectiveHook(vnode, null, parentComponent, 'mounted');
                }, parentSuspense);
            }
            // children
            if (shapeFlag & 16 /* ARRAY_CHILDREN */ &&
                // skip if element has innerHTML / textContent
                !(props && (props.innerHTML || props.textContent))) {
                let next = hydrateChildren(el.firstChild, vnode, el, parentComponent, parentSuspense, slotScopeIds, optimized);
                let hasWarned = false;
                while (next) {
                    hasMismatch = true;
                    if ((process.env.NODE_ENV !== 'production') && !hasWarned) {
                        warn(`Hydration children mismatch in <${vnode.type}>: ` +
                            `server rendered element contains more child nodes than client vdom.`);
                        hasWarned = true;
                    }
                    // The SSRed DOM contains more nodes than it should. Remove them.
                    const cur = next;
                    next = next.nextSibling;
                    remove(cur);
                }
            }
            else if (shapeFlag & 8 /* TEXT_CHILDREN */) {
                if (el.textContent !== vnode.children) {
                    hasMismatch = true;
                    (process.env.NODE_ENV !== 'production') &&
                        warn(`Hydration text content mismatch in <${vnode.type}>:\n` +
                            `- Client: ${el.textContent}\n` +
                            `- Server: ${vnode.children}`);
                    el.textContent = vnode.children;
                }
            }
        }
        return el.nextSibling;
    };
    const hydrateChildren = (node, parentVNode, container, parentComponent, parentSuspense, slotScopeIds, optimized) => {
        optimized = optimized || !!parentVNode.dynamicChildren;
        const children = parentVNode.children;
        const l = children.length;
        let hasWarned = false;
        for (let i = 0; i < l; i++) {
            const vnode = optimized
                ? children[i]
                : (children[i] = normalizeVNode(children[i]));
            if (node) {
                node = hydrateNode(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized);
            }
            else if (vnode.type === Text && !vnode.children) {
                continue;
            }
            else {
                hasMismatch = true;
                if ((process.env.NODE_ENV !== 'production') && !hasWarned) {
                    warn(`Hydration children mismatch in <${container.tagName.toLowerCase()}>: ` +
                        `server rendered element contains fewer child nodes than client vdom.`);
                    hasWarned = true;
                }
                // the SSRed DOM didn't contain enough nodes. Mount the missing ones.
                patch(null, vnode, container, null, parentComponent, parentSuspense, isSVGContainer(container), slotScopeIds);
            }
        }
        return node;
    };
    const hydrateFragment = (node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized) => {
        const { slotScopeIds: fragmentSlotScopeIds } = vnode;
        if (fragmentSlotScopeIds) {
            slotScopeIds = slotScopeIds
                ? slotScopeIds.concat(fragmentSlotScopeIds)
                : fragmentSlotScopeIds;
        }
        const container = parentNode(node);
        const next = hydrateChildren(nextSibling(node), vnode, container, parentComponent, parentSuspense, slotScopeIds, optimized);
        if (next && isComment(next) && next.data === ']') {
            return nextSibling((vnode.anchor = next));
        }
        else {
            // fragment didn't hydrate successfully, since we didn't get a end anchor
            // back. This should have led to node/children mismatch warnings.
            hasMismatch = true;
            // since the anchor is missing, we need to create one and insert it
            insert((vnode.anchor = createComment(`]`)), container, next);
            return next;
        }
    };
    const handleMismatch = (node, vnode, parentComponent, parentSuspense, slotScopeIds, isFragment) => {
        hasMismatch = true;
        (process.env.NODE_ENV !== 'production') &&
            warn(`Hydration node mismatch:\n- Client vnode:`, vnode.type, `\n- Server rendered DOM:`, node, node.nodeType === 3 /* TEXT */
                ? `(text)`
                : isComment(node) && node.data === '['
                    ? `(start of fragment)`
                    : ``);
        vnode.el = null;
        if (isFragment) {
            // remove excessive fragment nodes
            const end = locateClosingAsyncAnchor(node);
            while (true) {
                const next = nextSibling(node);
                if (next && next !== end) {
                    remove(next);
                }
                else {
                    break;
                }
            }
        }
        const next = nextSibling(node);
        const container = parentNode(node);
        remove(node);
        patch(null, vnode, container, next, parentComponent, parentSuspense, isSVGContainer(container), slotScopeIds);
        return next;
    };
    const locateClosingAsyncAnchor = (node) => {
        let match = 0;
        while (node) {
            node = nextSibling(node);
            if (node && isComment(node)) {
                if (node.data === '[')
                    match++;
                if (node.data === ']') {
                    if (match === 0) {
                        return nextSibling(node);
                    }
                    else {
                        match--;
                    }
                }
            }
        }
        return node;
    };
    return [hydrate, hydrateNode];
}

/* 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}`);
    }
    if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
        devtoolsPerfStart(instance, type, supported ? 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);
    }
    if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
        devtoolsPerfEnd(instance, type, supported ? 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;
}

/**
 * This is only called in esm-bundler builds.
 * It is called when a renderer is created, in `baseCreateRenderer` so that
 * importing runtime-core is side-effects free.
 *
 * istanbul-ignore-next
 */
function initFeatureFlags() {
    const needWarn = [];
    if (typeof __VUE_OPTIONS_API__ !== 'boolean') {
        (process.env.NODE_ENV !== 'production') && needWarn.push(`__VUE_OPTIONS_API__`);
        getGlobalThis().__VUE_OPTIONS_API__ = true;
    }
    if (typeof __VUE_PROD_DEVTOOLS__ !== 'boolean') {
        (process.env.NODE_ENV !== 'production') && needWarn.push(`__VUE_PROD_DEVTOOLS__`);
        getGlobalThis().__VUE_PROD_DEVTOOLS__ = false;
    }
    if ((process.env.NODE_ENV !== 'production') && needWarn.length) {
        const multi = needWarn.length > 1;
        console.warn(`Feature flag${multi ? `s` : ``} ${needWarn.join(', ')} ${multi ? `are` : `is`} not explicitly defined. You are running the esm-bundler build of Vue, ` +
            `which expects these compile-time feature flags to be globally injected ` +
            `via the bundler config in order to get better tree-shaking in the ` +
            `production bundle.\n\n` +
            `For more details, see https://link.vuejs.org/feature-flags.`);
    }
}

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);
}
// Separate API for creating hydration-enabled renderer.
// Hydration logic is only used when calling this function, making it
// tree-shakable.
function createHydrationRenderer(options) {
    return baseCreateRenderer(options, createHydrationFunctions);
}
// implementation
function baseCreateRenderer(options, createHydrationFns) {
    // compile-time feature flags check
    {
        initFeatureFlags();
    }
    const target = getGlobalThis();
    target.__VUE__ = true;
    if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
        setDevtoolsHook(target.__VUE_DEVTOOLS_GLOBAL_HOOK__, target);
    }
    const { insert: hostInsert, remove: hostRemove, patchProp: hostPatchProp, forcePatchProp: hostForcePatchProp, // fixed by xxxxxx
    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 = (process.env.NODE_ENV !== 'production') && 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 if ((process.env.NODE_ENV !== 'production')) {
                    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 if ((process.env.NODE_ENV !== 'production')) {
                    warn('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;
        if (!(process.env.NODE_ENV !== 'production') &&
            vnode.el &&
            hostCloneNode !== undefined &&
            patchFlag === -1 /* HOISTED */) {
            // If a vnode has non-null el, it means it's being reused.
            // Only static vnodes can be reused, so its mounted DOM nodes should be
            // exactly the same, and we can simply do a clone here.
            // only do this in production since cloned trees cannot be HMR updated.
            el = vnode.el = hostCloneNode(vnode.el);
        }
        else {
            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);
        }
        if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
            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 ((process.env.NODE_ENV !== 'production') &&
                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 ((process.env.NODE_ENV !== 'production') && 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 ((process.env.NODE_ENV !== 'production') && 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' ||
                            (hostForcePatchProp && hostForcePatchProp(el, key)) // fixed by xxxxxx
                        ) {
                            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') ||
                    (hostForcePatchProp && hostForcePatchProp(el, key)) // fixed by xxxxxx
                ) {
                    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 ((process.env.NODE_ENV !== 'production') && isHmrUpdating) {
            // HMR updated, 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 ((process.env.NODE_ENV !== 'production') && 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 ((process.env.NODE_ENV !== 'production') && instance.type.__hmrId) {
            registerHMR(instance);
        }
        if ((process.env.NODE_ENV !== 'production')) {
            pushWarningContext(initialVNode);
            startMeasure(instance, `mount`);
        }
        // inject renderer internals for keepAlive
        if (isKeepAlive(initialVNode)) {
            instance.ctx.renderer = internals;
        }
        // resolve props and slots for setup context
        {
            if ((process.env.NODE_ENV !== 'production')) {
                startMeasure(instance, `init`);
            }
            setupComponent(instance);
            if ((process.env.NODE_ENV !== 'production')) {
                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);
        if ((process.env.NODE_ENV !== 'production')) {
            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
                if ((process.env.NODE_ENV !== 'production')) {
                    pushWarningContext(n2);
                }
                updateComponentPreRender(instance, n2, optimized);
                if ((process.env.NODE_ENV !== 'production')) {
                    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.component = n1.component;
            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 = () => {
                        if ((process.env.NODE_ENV !== 'production')) {
                            startMeasure(instance, `render`);
                        }
                        instance.subTree = renderComponentRoot(instance);
                        if ((process.env.NODE_ENV !== 'production')) {
                            endMeasure(instance, `render`);
                        }
                        if ((process.env.NODE_ENV !== 'production')) {
                            startMeasure(instance, `hydrate`);
                        }
                        hydrateNode(el, instance.subTree, instance, parentSuspense, null);
                        if ((process.env.NODE_ENV !== 'production')) {
                            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 {
                    if ((process.env.NODE_ENV !== 'production')) {
                        startMeasure(instance, `render`);
                    }
                    const subTree = (instance.subTree = renderComponentRoot(instance));
                    if ((process.env.NODE_ENV !== 'production')) {
                        endMeasure(instance, `render`);
                    }
                    if ((process.env.NODE_ENV !== 'production')) {
                        startMeasure(instance, `patch`);
                    }
                    patch(null, subTree, container, anchor, instance, parentSuspense, isSVG);
                    if ((process.env.NODE_ENV !== 'production')) {
                        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 */) {
                    instance.a && queuePostRenderEffect(instance.a, parentSuspense);
                }
                instance.isMounted = true;
                if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
                    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;
                if ((process.env.NODE_ENV !== 'production')) {
                    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
                if ((process.env.NODE_ENV !== 'production')) {
                    startMeasure(instance, `render`);
                }
                const nextTree = renderComponentRoot(instance);
                if ((process.env.NODE_ENV !== 'production')) {
                    endMeasure(instance, `render`);
                }
                const prevTree = instance.subTree;
                instance.subTree = nextTree;
                if ((process.env.NODE_ENV !== 'production')) {
                    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);
                if ((process.env.NODE_ENV !== 'production')) {
                    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);
                }
                if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
                    devtoolsComponentUpdated(instance);
                }
                if ((process.env.NODE_ENV !== 'production')) {
                    popWarningContext();
                }
            }
        };
        // create reactive effect for rendering
        const effect = (instance.effect = new ReactiveEffect(componentUpdateFn, () => queueJob(instance.update), instance.scope // track it in component's effect scope
        ));
        const update = (instance.update = effect.run.bind(effect));
        update.id = instance.uid;
        // allowRecurse
        // #1801, #2043 component render effects should allow recursive updates
        toggleRecurse(instance, true);
        if ((process.env.NODE_ENV !== 'production')) {
            effect.onTrack = instance.rtc
                ? e => invokeArrayFns(instance.rtc, e)
                : void 0;
            effect.onTrigger = instance.rtg
                ? e => invokeArrayFns(instance.rtg, e)
                : void 0;
            // @ts-ignore (for scheduler)
            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 ((process.env.NODE_ENV !== 'production') && keyToNewIndexMap.has(nextChild.key)) {
                        warn(`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) {
            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 ((process.env.NODE_ENV !== 'production') && 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();
            }
        }
        if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
            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 ((process.env.NODE_ENV !== 'production') && 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 isTeleportDisabled = (props) => props && (props.disabled || props.disabled === '');
const isTargetSVG = (target) => typeof SVGElement !== 'undefined' && target instanceof SVGElement;
const resolveTarget = (props, select) => {
    const targetSelector = props && props.to;
    if (isString(targetSelector)) {
        if (!select) {
            (process.env.NODE_ENV !== 'production') &&
                warn(`Current renderer does not support string target for Teleports. ` +
                    `(missing querySelector renderer option)`);
            return null;
        }
        else {
            const target = select(targetSelector);
            if (!target) {
                (process.env.NODE_ENV !== 'production') &&
                    warn(`Failed to locate Teleport target with selector "${targetSelector}". ` +
                        `Note the target element must exist before the component is mounted - ` +
                        `i.e. the target cannot be rendered by the component itself, and ` +
                        `ideally should be outside of the entire Vue component tree.`);
            }
            return target;
        }
    }
    else {
        if ((process.env.NODE_ENV !== 'production') && !targetSelector && !isTeleportDisabled(props)) {
            warn(`Invalid Teleport target: ${targetSelector}`);
        }
        return targetSelector;
    }
};
const TeleportImpl = {
    __isTeleport: true,
    process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals) {
        const { mc: mountChildren, pc: patchChildren, pbc: patchBlockChildren, o: { insert, querySelector, createText, createComment } } = internals;
        const disabled = isTeleportDisabled(n2.props);
        let { shapeFlag, children, dynamicChildren } = n2;
        // #3302
        // HMR updated, force full diff
        if ((process.env.NODE_ENV !== 'production') && isHmrUpdating) {
            optimized = false;
            dynamicChildren = null;
        }
        if (n1 == null) {
            // insert anchors in the main view
            const placeholder = (n2.el = (process.env.NODE_ENV !== 'production')
                ? createComment('teleport start')
                : createText(''));
            const mainAnchor = (n2.anchor = (process.env.NODE_ENV !== 'production')
                ? createComment('teleport end')
                : createText(''));
            insert(placeholder, container, anchor);
            insert(mainAnchor, container, anchor);
            const target = (n2.target = resolveTarget(n2.props, querySelector));
            const targetAnchor = (n2.targetAnchor = createText(''));
            if (target) {
                insert(targetAnchor, target);
                // #2652 we could be teleporting from a non-SVG tree into an SVG tree
                isSVG = isSVG || isTargetSVG(target);
            }
            else if ((process.env.NODE_ENV !== 'production') && !disabled) {
                warn('Invalid Teleport target on mount:', target, `(${typeof target})`);
            }
            const mount = (container, anchor) => {
                // Teleport *always* has Array children. This is enforced in both the
                // compiler and vnode children normalization.
                if (shapeFlag & 16 /* ARRAY_CHILDREN */) {
                    mountChildren(children, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
                }
            };
            if (disabled) {
                mount(container, mainAnchor);
            }
            else if (target) {
                mount(target, targetAnchor);
            }
        }
        else {
            // update content
            n2.el = n1.el;
            const mainAnchor = (n2.anchor = n1.anchor);
            const target = (n2.target = n1.target);
            const targetAnchor = (n2.targetAnchor = n1.targetAnchor);
            const wasDisabled = isTeleportDisabled(n1.props);
            const currentContainer = wasDisabled ? container : target;
            const currentAnchor = wasDisabled ? mainAnchor : targetAnchor;
            isSVG = isSVG || isTargetSVG(target);
            if (dynamicChildren) {
                // fast path when the teleport happens to be a block root
                patchBlockChildren(n1.dynamicChildren, dynamicChildren, currentContainer, parentComponent, parentSuspense, isSVG, slotScopeIds);
                // even in block tree mode we need to make sure all root-level nodes
                // in the teleport inherit previous DOM references so that they can
                // be moved in future patches.
                traverseStaticChildren(n1, n2, true);
            }
            else if (!optimized) {
                patchChildren(n1, n2, currentContainer, currentAnchor, parentComponent, parentSuspense, isSVG, slotScopeIds, false);
            }
            if (disabled) {
                if (!wasDisabled) {
                    // enabled -> disabled
                    // move into main container
                    moveTeleport(n2, container, mainAnchor, internals, 1 /* TOGGLE */);
                }
            }
            else {
                // target changed
                if ((n2.props && n2.props.to) !== (n1.props && n1.props.to)) {
                    const nextTarget = (n2.target = resolveTarget(n2.props, querySelector));
                    if (nextTarget) {
                        moveTeleport(n2, nextTarget, null, internals, 0 /* TARGET_CHANGE */);
                    }
                    else if ((process.env.NODE_ENV !== 'production')) {
                        warn('Invalid Teleport target on update:', target, `(${typeof target})`);
                    }
                }
                else if (wasDisabled) {
                    // disabled -> enabled
                    // move into teleport target
                    moveTeleport(n2, target, targetAnchor, internals, 1 /* TOGGLE */);
                }
            }
        }
    },
    remove(vnode, parentComponent, parentSuspense, optimized, { um: unmount, o: { remove: hostRemove } }, doRemove) {
        const { shapeFlag, children, anchor, targetAnchor, target, props } = vnode;
        if (target) {
            hostRemove(targetAnchor);
        }
        // an unmounted teleport should always remove its children if not disabled
        if (doRemove || !isTeleportDisabled(props)) {
            hostRemove(anchor);
            if (shapeFlag & 16 /* ARRAY_CHILDREN */) {
                for (let i = 0; i < children.length; i++) {
                    const child = children[i];
                    unmount(child, parentComponent, parentSuspense, true, !!child.dynamicChildren);
                }
            }
        }
    },
    move: moveTeleport,
    hydrate: hydrateTeleport
};
function moveTeleport(vnode, container, parentAnchor, { o: { insert }, m: move }, moveType = 2 /* REORDER */) {
    // move target anchor if this is a target change.
    if (moveType === 0 /* TARGET_CHANGE */) {
        insert(vnode.targetAnchor, container, parentAnchor);
    }
    const { el, anchor, shapeFlag, children, props } = vnode;
    const isReorder = moveType === 2 /* REORDER */;
    // move main view anchor if this is a re-order.
    if (isReorder) {
        insert(el, container, parentAnchor);
    }
    // if this is a re-order and teleport is enabled (content is in target)
    // do not move children. So the opposite is: only move children if this
    // is not a reorder, or the teleport is disabled
    if (!isReorder || isTeleportDisabled(props)) {
        // Teleport has either Array children or no children.
        if (shapeFlag & 16 /* ARRAY_CHILDREN */) {
            for (let i = 0; i < children.length; i++) {
                move(children[i], container, parentAnchor, 2 /* REORDER */);
            }
        }
    }
    // move main view anchor if this is a re-order.
    if (isReorder) {
        insert(anchor, container, parentAnchor);
    }
}
function hydrateTeleport(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized, { o: { nextSibling, parentNode, querySelector } }, hydrateChildren) {
    const target = (vnode.target = resolveTarget(vnode.props, querySelector));
    if (target) {
        // if multiple teleports rendered to the same target element, we need to
        // pick up from where the last teleport finished instead of the first node
        const targetNode = target._lpa || target.firstChild;
        if (vnode.shapeFlag & 16 /* ARRAY_CHILDREN */) {
            if (isTeleportDisabled(vnode.props)) {
                vnode.anchor = hydrateChildren(nextSibling(node), vnode, parentNode(node), parentComponent, parentSuspense, slotScopeIds, optimized);
                vnode.targetAnchor = targetNode;
            }
            else {
                vnode.anchor = nextSibling(node);
                vnode.targetAnchor = hydrateChildren(targetNode, vnode, target, parentComponent, parentSuspense, slotScopeIds, optimized);
            }
            target._lpa =
                vnode.targetAnchor && nextSibling(vnode.targetAnchor);
        }
    }
    return vnode.anchor && nextSibling(vnode.anchor);
}
// Force-casted public typing for h and TSX props inference
const Teleport = TeleportImpl;

const COMPONENTS = 'components';
const DIRECTIVES = 'directives';
/**
 * @private
 */
function resolveComponent(name, maybeSelfReference) {
    return resolveAsset(COMPONENTS, name, true, maybeSelfReference) || name;
}
const NULL_DYNAMIC_COMPONENT = Symbol();
/**
 * @private
 */
function resolveDynamicComponent(component) {
    if (isString(component)) {
        return resolveAsset(COMPONENTS, component, false) || component;
    }
    else {
        // invalid types will fallthrough to createVNode and raise warning
        return (component || NULL_DYNAMIC_COMPONENT);
    }
}
/**
 * @private
 */
function resolveDirective(name) {
    return resolveAsset(DIRECTIVES, name);
}
// implementation
function resolveAsset(type, name, warnMissing = true, maybeSelfReference = false) {
    const instance = currentRenderingInstance || currentInstance;
    if (instance) {
        const Component = instance.type;
        // explicit self name has highest priority
        if (type === COMPONENTS) {
            const selfName = getComponentName(Component);
            if (selfName &&
                (selfName === name ||
                    selfName === camelize(name) ||
                    selfName === capitalize(camelize(name)))) {
                return Component;
            }
        }
        const res = 
        // local registration
        // check instance[type] first which is resolved for options API
        resolve(instance[type] || Component[type], name) ||
            // global registration
            resolve(instance.appContext[type], name);
        if (!res && maybeSelfReference) {
            // fallback to implicit self-reference
            return Component;
        }
        if ((process.env.NODE_ENV !== 'production') && warnMissing && !res) {
            const extra = type === COMPONENTS
                ? `\nIf this is a native custom element, make sure to exclude it from ` +
                    `component resolution via compilerOptions.isCustomElement.`
                : ``;
            warn(`Failed to resolve ${type.slice(0, -1)}: ${name}${extra}`);
        }
        return res;
    }
    else if ((process.env.NODE_ENV !== 'production')) {
        warn(`resolve${capitalize(type.slice(0, -1))} ` +
            `can only be used in render() or setup().`);
    }
}
function resolve(registry, name) {
    return (registry &&
        (registry[name] ||
            registry[camelize(name)] ||
            registry[capitalize(camelize(name))]));
}

const Fragment = Symbol((process.env.NODE_ENV !== 'production') ? 'Fragment' : undefined);
const Text = Symbol((process.env.NODE_ENV !== 'production') ? 'Text' : undefined);
const Comment = Symbol((process.env.NODE_ENV !== 'production') ? 'Comment' : undefined);
const Static = Symbol((process.env.NODE_ENV !== 'production') ? 'Static' : undefined);
// 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;
/**
 * Open a block.
 * This must be called before `createBlock`. It cannot be part of `createBlock`
 * because the children of the block are evaluated before `createBlock` itself
 * is called. The generated code typically looks like this:
 *
 * ```js
 * function render() {
 *   return (openBlock(),createBlock('div', null, [...]))
 * }
 * ```
 * disableTracking is true when creating a v-for fragment block, since a v-for
 * fragment always diffs its children.
 *
 * @private
 */
function openBlock(disableTracking = false) {
    blockStack.push((currentBlock = disableTracking ? null : []));
}
function closeBlock() {
    blockStack.pop();
    currentBlock = blockStack[blockStack.length - 1] || 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 setupBlock(vnode) {
    // save current block children on the block vnode
    vnode.dynamicChildren =
        isBlockTreeEnabled > 0 ? currentBlock || EMPTY_ARR : null;
    // close block
    closeBlock();
    // a block is always going to be patched, so track it as a child of its
    // parent block
    if (isBlockTreeEnabled > 0 && currentBlock) {
        currentBlock.push(vnode);
    }
    return vnode;
}
/**
 * @private
 */
function createElementBlock(type, props, children, patchFlag, dynamicProps, shapeFlag) {
    return setupBlock(createBaseVNode(type, props, children, patchFlag, dynamicProps, shapeFlag, true /* isBlock */));
}
/**
 * Create a block root vnode. Takes the same exact arguments as `createVNode`.
 * A block root keeps track of dynamic nodes within the block in the
 * `dynamicChildren` array.
 *
 * @private
 */
function createBlock(type, props, children, patchFlag, dynamicProps) {
    return setupBlock(createVNode(type, props, children, patchFlag, dynamicProps, true /* isBlock: prevent a block from tracking itself */));
}
function isVNode(value) {
    return value ? value.__v_isVNode === true : false;
}
function isSameVNodeType(n1, n2) {
    if ((process.env.NODE_ENV !== 'production') &&
        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;
}
let vnodeArgsTransformer;
/**
 * Internal API for registering an arguments transform for createVNode
 * used for creating stubs in the test-utils
 * It is *internal* but needs to be exposed for test-utils to pick up proper
 * typings
 */
function transformVNodeArgs(transformer) {
    vnodeArgsTransformer = transformer;
}
const createVNodeWithArgsTransform = (...args) => {
    return _createVNode(...(vnodeArgsTransformer
        ? vnodeArgsTransformer(args, currentRenderingInstance)
        : 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 ((process.env.NODE_ENV !== 'production') && vnode.key !== vnode.key) {
        warn(`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 = ((process.env.NODE_ENV !== 'production') ? createVNodeWithArgsTransform : _createVNode);
function _createVNode(type, props = null, children = null, patchFlag = 0, dynamicProps = null, isBlockNode = false) {
    if (!type || type === NULL_DYNAMIC_COMPONENT) {
        if ((process.env.NODE_ENV !== 'production') && !type) {
            warn(`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);
        }
        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 ((process.env.NODE_ENV !== 'production') && shapeFlag & 4 /* STATEFUL_COMPONENT */ && isProxy(type)) {
        type = toRaw(type);
        warn(`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: (process.env.NODE_ENV !== 'production') && 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);
}
/**
 * @private
 */
function createStaticVNode(content, numberOfNodes) {
    // A static vnode can contain multiple stringified elements, and the number
    // of elements is necessary for hydration.
    const vnode = createVNode(Static, null, content);
    vnode.staticCount = numberOfNodes;
    return vnode;
}
/**
 * @private
 */
function createCommentVNode(text = '', 
// when used as the v-else branch, the comment node must be created as a
// block to ensure correct updates.
asBlock = false) {
    return asBlock
        ? (openBlock(), createBlock(Comment, null, text))
        : createVNode(Comment, null, text);
}
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
    ]);
}

/**
 * Actual implementation
 */
function renderList(source, renderItem, cache, index) {
    let ret;
    const cached = (cache && cache[index]);
    if (isArray(source) || isString(source)) {
        ret = new Array(source.length);
        for (let i = 0, l = source.length; i < l; i++) {
            ret[i] = renderItem(source[i], i, undefined, cached && cached[i]);
        }
    }
    else if (typeof source === 'number') {
        if ((process.env.NODE_ENV !== 'production') && !Number.isInteger(source)) {
            warn(`The v-for range expect an integer value but got ${source}.`);
            return [];
        }
        ret = new Array(source);
        for (let i = 0; i < source; i++) {
            ret[i] = renderItem(i + 1, i, undefined, cached && cached[i]);
        }
    }
    else if (isObject(source)) {
        if (source[Symbol.iterator]) {
            ret = Array.from(source, (item, i) => renderItem(item, i, undefined, cached && cached[i]));
        }
        else {
            const keys = Object.keys(source);
            ret = new Array(keys.length);
            for (let i = 0, l = keys.length; i < l; i++) {
                const key = keys[i];
                ret[i] = renderItem(source[key], key, i, cached && cached[i]);
            }
        }
    }
    else {
        ret = [];
    }
    if (cache) {
        cache[index] = ret;
    }
    return ret;
}

/**
 * Compiler runtime helper for creating dynamic slots object
 * @private
 */
function createSlots(slots, dynamicSlots) {
    for (let i = 0; i < dynamicSlots.length; i++) {
        const slot = dynamicSlots[i];
        // array of dynamic slot generated by <template v-for="..." #[...]>
        if (isArray(slot)) {
            for (let j = 0; j < slot.length; j++) {
                slots[slot[j].name] = slot[j].fn;
            }
        }
        else if (slot) {
            // conditional single slot generated by <template v-if="..." #foo>
            slots[slot.name] = slot.fn;
        }
    }
    return slots;
}

/**
 * Compiler runtime helper for rendering `<slot/>`
 * @private
 */
function renderSlot(slots, name, props = {}, 
// this is not a user-facing function, so the fallback is always generated by
// the compiler and guaranteed to be a function returning an array
fallback, noSlotted) {
    if (currentRenderingInstance.isCE) {
        return createVNode('slot', name === 'default' ? null : { name }, fallback && fallback());
    }
    let slot = slots[name];
    if ((process.env.NODE_ENV !== 'production') && slot && slot.length > 1) {
        warn(`SSR-optimized slot function detected in a non-SSR-optimized render ` +
            `function. You need to mark this component with $dynamic-slots in the ` +
            `parent template.`);
        slot = () => [];
    }
    // a compiled slot disables block tracking by default to avoid manual
    // invocation interfering with template-based block tracking, but in
    // `renderSlot` we can be sure that it's template-based so we can force
    // enable it.
    if (slot && slot._c) {
        slot._d = false;
    }
    openBlock();
    const validSlotContent = slot && ensureValidVNode(slot(props));
    const rendered = createBlock(Fragment, { key: props.key || `_${name}` }, validSlotContent || (fallback ? fallback() : []), validSlotContent && slots._ === 1 /* STABLE */
        ? 64 /* STABLE_FRAGMENT */
        : -2 /* BAIL */);
    if (!noSlotted && rendered.scopeId) {
        rendered.slotScopeIds = [rendered.scopeId + '-s'];
    }
    if (slot && slot._c) {
        slot._d = true;
    }
    return rendered;
}
function ensureValidVNode(vnodes) {
    return vnodes.some(child => {
        if (!isVNode(child))
            return true;
        if (child.type === Comment)
            return false;
        if (child.type === Fragment &&
            !ensureValidVNode(child.children))
            return false;
        return true;
    })
        ? vnodes
        : null;
}

/**
 * For prefixing keys in v-on="obj" with "on"
 * @private
 */
function toHandlers(obj) {
    const ret = {};
    if ((process.env.NODE_ENV !== 'production') && !isObject(obj)) {
        warn(`v-on with no argument expects an object value.`);
        return ret;
    }
    for (const key in obj) {
        ret[toHandlerKey(key)] = obj[key];
    }
    return ret;
}

/**
 * #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 = extend(Object.create(null), {
    $: i => i,
    $el: i => i.vnode.el,
    $data: i => i.data,
    $props: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.props) : i.props),
    $attrs: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.attrs) : i.attrs),
    $slots: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.slots) : i.slots),
    $refs: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.refs) : i.refs),
    $parent: i => getPublicInstance(i.parent),
    $root: i => getPublicInstance(i.root),
    $emit: i => i.emit,
    $options: i => (__VUE_OPTIONS_API__ ? resolveMergedOptions(i) : i.type),
    $forceUpdate: i => () => queueJob(i.update),
    $nextTick: i => nextTick.bind(i.proxy),
    $watch: i => (__VUE_OPTIONS_API__ ? instanceWatch.bind(i) : NOOP)
});
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 ((process.env.NODE_ENV !== 'production') && 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 ((process.env.NODE_ENV !== 'production') &&
            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 (!__VUE_OPTIONS_API__ || 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);
                (process.env.NODE_ENV !== 'production') && markAttrsAccessed();
            }
            return publicGetter(instance);
        }
        else if (
        // css module (injected by vue-loader)
        (cssModule = type.__cssModules) &&
            (cssModule = cssModule[key])) {
            return cssModule;
        }
        else if (ctx !== EMPTY_OBJ && hasOwn(ctx, key)) {
            // user may set custom properties to `this` that start with `$`
            accessCache[key] = 4 /* CONTEXT */;
            return ctx[key];
        }
        else if (
        // global properties
        ((globalProperties = appContext.config.globalProperties),
            hasOwn(globalProperties, key))) {
            {
                return globalProperties[key];
            }
        }
        else if ((process.env.NODE_ENV !== 'production') &&
            currentRenderingInstance &&
            (!isString(key) ||
                // #1091 avoid internal isRef/isVNode checks on component instance leading
                // to infinite warning loop
                key.indexOf('__v') !== 0)) {
            if (data !== EMPTY_OBJ &&
                (key[0] === '$' || key[0] === '_') &&
                hasOwn(data, key)) {
                warn(`Property ${JSON.stringify(key)} must be accessed via $data because it starts with a reserved ` +
                    `character ("$" or "_") and is not proxied on the render context.`);
            }
            else if (instance === currentRenderingInstance) {
                warn(`Property ${JSON.stringify(key)} was accessed during render ` +
                    `but is not defined on instance.`);
            }
        }
    },
    set({ _: instance }, key, value) {
        const { data, setupState, ctx } = instance;
        if (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) {
            setupState[key] = value;
            return true;
        }
        else if (data !== EMPTY_OBJ && hasOwn(data, key)) {
            data[key] = value;
            return true;
        }
        else if (hasOwn(instance.props, key)) {
            (process.env.NODE_ENV !== 'production') &&
                warn(`Attempting to mutate prop "${key}". Props are readonly.`, instance);
            return false;
        }
        if (key[0] === '$' && key.slice(1) in instance) {
            (process.env.NODE_ENV !== 'production') &&
                warn(`Attempting to mutate public property "${key}". ` +
                    `Properties starting with $ are reserved and readonly.`, instance);
            return false;
        }
        else {
            if ((process.env.NODE_ENV !== 'production') && key in instance.appContext.config.globalProperties) {
                Object.defineProperty(ctx, key, {
                    enumerable: true,
                    configurable: true,
                    value
                });
            }
            else {
                ctx[key] = value;
            }
        }
        return true;
    },
    has({ _: { data, setupState, accessCache, ctx, appContext, propsOptions } }, key) {
        let normalizedProps;
        return (!!accessCache[key] ||
            (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);
    }
};
if ((process.env.NODE_ENV !== 'production') && !false) {
    PublicInstanceProxyHandlers.ownKeys = (target) => {
        warn(`Avoid app logic that relies on enumerating keys on a component instance. ` +
            `The keys will be empty in production mode to avoid performance overhead.`);
        return Reflect.ownKeys(target);
    };
}
const RuntimeCompiledPublicInstanceProxyHandlers = /*#__PURE__*/ extend({}, PublicInstanceProxyHandlers, {
    get(target, key) {
        // fast path for unscopables when using `with` block
        if (key === Symbol.unscopables) {
            return;
        }
        return PublicInstanceProxyHandlers.get(target, key, target);
    },
    has(_, key) {
        const has = key[0] !== '_' && !isGloballyWhitelisted(key);
        if ((process.env.NODE_ENV !== 'production') && !has && PublicInstanceProxyHandlers.has(_, key)) {
            warn(`Property ${JSON.stringify(key)} should not start with _ which is a reserved prefix for Vue internals.`);
        }
        return has;
    }
});
// dev only
// In dev mode, the proxy target exposes the same properties as seen on `this`
// for easier console inspection. In prod mode it will be an empty object so
// these properties definitions can be skipped.
function createDevRenderContext(instance) {
    const target = {};
    // expose internal instance for proxy handlers
    Object.defineProperty(target, `_`, {
        configurable: true,
        enumerable: false,
        get: () => instance
    });
    // expose public properties
    Object.keys(publicPropertiesMap).forEach(key => {
        Object.defineProperty(target, key, {
            configurable: true,
            enumerable: false,
            get: () => publicPropertiesMap[key](instance),
            // intercepted by the proxy so no need for implementation,
            // but needed to prevent set errors
            set: NOOP
        });
    });
    return target;
}
// dev only
function exposePropsOnRenderContext(instance) {
    const { ctx, propsOptions: [propsOptions] } = instance;
    if (propsOptions) {
        Object.keys(propsOptions).forEach(key => {
            Object.defineProperty(ctx, key, {
                enumerable: true,
                configurable: true,
                get: () => instance.props[key],
                set: NOOP
            });
        });
    }
}
// dev only
function exposeSetupStateOnRenderContext(instance) {
    const { ctx, setupState } = instance;
    Object.keys(toRaw(setupState)).forEach(key => {
        if (!setupState.__isScriptSetup) {
            if (key[0] === '$' || key[0] === '_') {
                warn(`setup() return property ${JSON.stringify(key)} should not start with "$" or "_" ` +
                    `which are reserved prefixes for Vue internals.`);
                return;
            }
            Object.defineProperty(ctx, key, {
                enumerable: true,
                configurable: true,
                get: () => setupState[key],
                set: NOOP
            });
        }
    });
}

const emptyAppContext = createAppContext();
let uid$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 resovled 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
    };
    if ((process.env.NODE_ENV !== 'production')) {
        instance.ctx = createDevRenderContext(instance);
    }
    else {
        instance.ctx = { _: 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 getCurrentInstance = () => currentInstance || currentRenderingInstance;
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('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) {
    const Component = instance.type;
    if ((process.env.NODE_ENV !== 'production')) {
        if (Component.name) {
            validateComponentName(Component.name, instance.appContext.config);
        }
        if (Component.components) {
            const names = Object.keys(Component.components);
            for (let i = 0; i < names.length; i++) {
                validateComponentName(names[i], instance.appContext.config);
            }
        }
        if (Component.directives) {
            const names = Object.keys(Component.directives);
            for (let i = 0; i < names.length; i++) {
                validateDirectiveName(names[i]);
            }
        }
        if (Component.compilerOptions && isRuntimeOnly()) {
            warn(`"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));
    if ((process.env.NODE_ENV !== 'production')) {
        exposePropsOnRenderContext(instance);
    }
    // 2. call setup()
    const { setup } = Component;
    if (setup) {
        const setupContext = (instance.setupContext =
            setup.length > 1 ? createSetupContext(instance) : null);
        setCurrentInstance(instance);
        pauseTracking();
        const setupResult = callWithErrorHandling(setup, instance, 0 /* SETUP_FUNCTION */, [(process.env.NODE_ENV !== 'production') ? shallowReadonly(instance.props) : 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;
            }
        }
        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 ((process.env.NODE_ENV !== 'production') && isVNode(setupResult)) {
            warn(`setup() should not return VNodes directly - ` +
                `return a render function instead.`);
        }
        // setup returned bindings.
        // assuming a render function compiled from template is present.
        if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) {
            instance.devtoolsRawSetupState = setupResult;
        }
        instance.setupState = proxyRefs(setupResult);
        if ((process.env.NODE_ENV !== 'production')) {
            exposeSetupStateOnRenderContext(instance);
        }
    }
    else if ((process.env.NODE_ENV !== 'production') && setupResult !== undefined) {
        warn(`setup() should return an object. Received: ${setupResult === null ? 'null' : typeof setupResult}`);
    }
    finishComponentSetup(instance, isSSR);
}
let compile;
let installWithProxy;
/**
 * For runtime-dom to register the compiler.
 * Note the exported method uses any to avoid d.ts relying on the compiler types.
 */
function registerRuntimeCompiler(_compile) {
    compile = _compile;
    installWithProxy = i => {
        if (i.render._rc) {
            i.withProxy = new Proxy(i.ctx, RuntimeCompiledPublicInstanceProxyHandlers);
        }
    };
}
// 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) {
                if ((process.env.NODE_ENV !== 'production')) {
                    startMeasure(instance, `compile`);
                }
                const { isCustomElement, compilerOptions } = instance.appContext.config;
                const { delimiters, compilerOptions: componentCompilerOptions } = Component;
                const finalCompilerOptions = extend(extend({
                    isCustomElement,
                    delimiters
                }, compilerOptions), componentCompilerOptions);
                Component.render = compile(template, finalCompilerOptions);
                if ((process.env.NODE_ENV !== 'production')) {
                    endMeasure(instance, `compile`);
                }
            }
        }
        instance.render = (Component.render || NOOP);
        // for runtime-compiled render functions using `with` blocks, the render
        // proxy used needs a different `has` handler which is more performant and
        // also only allows a whitelist of globals to fallthrough.
        if (installWithProxy) {
            installWithProxy(instance);
        }
    }
    // support for 2.x options
    if (__VUE_OPTIONS_API__ && !(false )) {
        setCurrentInstance(instance);
        pauseTracking();
        applyOptions(instance);
        resetTracking();
        unsetCurrentInstance();
    }
    // warn missing template/render
    // the runtime compilation of template in SSR is done by server-render
    if ((process.env.NODE_ENV !== 'production') && !Component.render && instance.render === NOOP && !isSSR) {
        /* istanbul ignore if */
        if (!compile && Component.template) {
            warn(`Component provided template option but ` +
                `runtime compilation is not supported in this build of Vue.` +
                (` Configure your bundler to alias "vue" to "vue/dist/vue.esm-bundler.js".`
                    ) /* should not happen */);
        }
        else {
            warn(`Component is missing template or render function.`);
        }
    }
}
function createAttrsProxy(instance) {
    return new Proxy(instance.attrs, (process.env.NODE_ENV !== 'production')
        ? {
            get(target, key) {
                markAttrsAccessed();
                track(instance, "get" /* GET */, '$attrs');
                return target[key];
            },
            set() {
                warn(`setupContext.attrs is readonly.`);
                return false;
            },
            deleteProperty() {
                warn(`setupContext.attrs is readonly.`);
                return false;
            }
        }
        : {
            get(target, key) {
                track(instance, "get" /* GET */, '$attrs');
                return target[key];
            }
        });
}
function createSetupContext(instance) {
    const expose = exposed => {
        if ((process.env.NODE_ENV !== 'production') && instance.exposed) {
            warn(`expose() should be called only once per setup().`);
        }
        instance.exposed = exposed || {};
    };
    let attrs;
    if ((process.env.NODE_ENV !== 'production')) {
        // We use getters in dev in case libs like test-utils overwrite instance
        // properties (overwrites should not be done in prod)
        return Object.freeze({
            get attrs() {
                return attrs || (attrs = createAttrsProxy(instance));
            },
            get slots() {
                return shallowReadonly(instance.slots);
            },
            get emit() {
                return (event, ...args) => instance.emit(event, ...args);
            },
            expose
        });
    }
    else {
        return {
            get attrs() {
                return attrs || (attrs = createAttrsProxy(instance));
            },
            slots: instance.slots,
            emit: instance.emit,
            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) {
    return isFunction(Component)
        ? Component.displayName || Component.name
        : 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 = ((getterOrOptions, debugOptions) => {
    // @ts-ignore
    return computed$1(getterOrOptions, debugOptions, isInSSRComponentSetup);
});

// dev only
const warnRuntimeUsage = (method) => warn(`${method}() is a compiler-hint helper that is only usable inside ` +
    `<script setup> of a single file component. Its arguments should be ` +
    `compiled away and passing it at runtime has no effect.`);
// implementation
function defineProps() {
    if ((process.env.NODE_ENV !== 'production')) {
        warnRuntimeUsage(`defineProps`);
    }
    return null;
}
// implementation
function defineEmits() {
    if ((process.env.NODE_ENV !== 'production')) {
        warnRuntimeUsage(`defineEmits`);
    }
    return null;
}
/**
 * Vue `<script setup>` compiler macro for declaring a component's exposed
 * instance properties when it is accessed by a parent component via template
 * refs.
 *
 * `<script setup>` components are closed by default - i.e. variables inside
 * the `<script setup>` scope is not exposed to parent unless explicitly exposed
 * via `defineExpose`.
 *
 * This is only usable inside `<script setup>`, is compiled away in the
 * output and should **not** be actually called at runtime.
 */
function defineExpose(exposed) {
    if ((process.env.NODE_ENV !== 'production')) {
        warnRuntimeUsage(`defineExpose`);
    }
}
/**
 * Vue `<script setup>` compiler macro for providing props default values when
 * using type-based `defineProps` declaration.
 *
 * Example usage:
 * ```ts
 * withDefaults(defineProps<{
 *   size?: number
 *   labels?: string[]
 * }>(), {
 *   size: 3,
 *   labels: () => ['default label']
 * })
 * ```
 *
 * This is only usable inside `<script setup>`, is compiled away in the output
 * and should **not** be actually called at runtime.
 */
function withDefaults(props, defaults) {
    if ((process.env.NODE_ENV !== 'production')) {
        warnRuntimeUsage(`withDefaults`);
    }
    return null;
}
function useSlots() {
    return getContext().slots;
}
function useAttrs() {
    return getContext().attrs;
}
function getContext() {
    const i = getCurrentInstance();
    if ((process.env.NODE_ENV !== 'production') && !i) {
        warn(`useContext() called without active instance.`);
    }
    return i.setupContext || (i.setupContext = createSetupContext(i));
}
/**
 * Runtime helper for merging default declarations. Imported by compiled code
 * only.
 * @internal
 */
function mergeDefaults(raw, defaults) {
    const props = isArray(raw)
        ? raw.reduce((normalized, p) => ((normalized[p] = {}), normalized), {})
        : raw;
    for (const key in defaults) {
        const opt = props[key];
        if (opt) {
            if (isArray(opt) || isFunction(opt)) {
                props[key] = { type: opt, default: defaults[key] };
            }
            else {
                opt.default = defaults[key];
            }
        }
        else if (opt === null) {
            props[key] = { default: defaults[key] };
        }
        else if ((process.env.NODE_ENV !== 'production')) {
            warn(`props default key "${key}" has no corresponding declaration.`);
        }
    }
    return props;
}
/**
 * Used to create a proxy for the rest element when destructuring props with
 * defineProps().
 * @internal
 */
function createPropsRestProxy(props, excludedKeys) {
    const ret = {};
    for (const key in props) {
        if (!excludedKeys.includes(key)) {
            Object.defineProperty(ret, key, {
                enumerable: true,
                get: () => props[key]
            });
        }
    }
    return ret;
}
/**
 * `<script setup>` helper for persisting the current instance context over
 * async/await flows.
 *
 * `@vue/compiler-sfc` converts the following:
 *
 * ```ts
 * const x = await foo()
 * ```
 *
 * into:
 *
 * ```ts
 * let __temp, __restore
 * const x = (([__temp, __restore] = withAsyncContext(() => foo())),__temp=await __temp,__restore(),__temp)
 * ```
 * @internal
 */
function withAsyncContext(getAwaitable) {
    const ctx = getCurrentInstance();
    if ((process.env.NODE_ENV !== 'production') && !ctx) {
        warn(`withAsyncContext called without active current instance. ` +
            `This is likely a bug.`);
    }
    let awaitable = getAwaitable();
    unsetCurrentInstance();
    if (isPromise(awaitable)) {
        awaitable = awaitable.catch(e => {
            setCurrentInstance(ctx);
            throw e;
        });
    }
    return [awaitable, () => setCurrentInstance(ctx)];
}

// Actual implementation
function h(type, propsOrChildren, children) {
    const l = arguments.length;
    if (l === 2) {
        if (isObject(propsOrChildren) && !isArray(propsOrChildren)) {
            // single vnode without props
            if (isVNode(propsOrChildren)) {
                return createVNode(type, null, [propsOrChildren]);
            }
            // props without children
            return createVNode(type, propsOrChildren);
        }
        else {
            // omit props
            return createVNode(type, null, propsOrChildren);
        }
    }
    else {
        if (l > 3) {
            children = Array.prototype.slice.call(arguments, 2);
        }
        else if (l === 3 && isVNode(children)) {
            children = [children];
        }
        return createVNode(type, propsOrChildren, children);
    }
}

const ssrContextKey = Symbol((process.env.NODE_ENV !== 'production') ? `ssrContext` : ``);
const useSSRContext = () => {
    {
        const ctx = inject(ssrContextKey);
        if (!ctx) {
            warn(`Server rendering context not provided. Make sure to only call ` +
                `useSSRContext() conditionally in the server build.`);
        }
        return ctx;
    }
};

function isShallow(value) {
    return !!(value && value["__v_isShallow" /* IS_SHALLOW */]);
}

function initCustomFormatter() {
    /* eslint-disable no-restricted-globals */
    if (!(process.env.NODE_ENV !== 'production') || typeof window === 'undefined') {
        return;
    }
    const vueStyle = { style: 'color:#3ba776' };
    const numberStyle = { style: 'color:#0b1bc9' };
    const stringStyle = { style: 'color:#b62e24' };
    const keywordStyle = { style: 'color:#9d288c' };
    // custom formatter for Chrome
    // https://www.mattzeunert.com/2016/02/19/custom-chrome-devtools-object-formatters.html
    const formatter = {
        header(obj) {
            // TODO also format ComponentPublicInstance & ctx.slots/attrs in setup
            if (!isObject(obj)) {
                return null;
            }
            if (obj.__isVue) {
                return ['div', vueStyle, `VueInstance`];
            }
            else if (isRef(obj)) {
                return [
                    'div',
                    {},
                    ['span', vueStyle, genRefFlag(obj)],
                    '<',
                    formatValue(obj.value),
                    `>`
                ];
            }
            else if (isReactive(obj)) {
                return [
                    'div',
                    {},
                    ['span', vueStyle, isShallow(obj) ? 'ShallowReactive' : 'Reactive'],
                    '<',
                    formatValue(obj),
                    `>${isReadonly(obj) ? ` (readonly)` : ``}`
                ];
            }
            else if (isReadonly(obj)) {
                return [
                    'div',
                    {},
                    ['span', vueStyle, isShallow(obj) ? 'ShallowReadonly' : 'Readonly'],
                    '<',
                    formatValue(obj),
                    '>'
                ];
            }
            return null;
        },
        hasBody(obj) {
            return obj && obj.__isVue;
        },
        body(obj) {
            if (obj && obj.__isVue) {
                return [
                    'div',
                    {},
                    ...formatInstance(obj.$)
                ];
            }
        }
    };
    function formatInstance(instance) {
        const blocks = [];
        if (instance.type.props && instance.props) {
            blocks.push(createInstanceBlock('props', toRaw(instance.props)));
        }
        if (instance.setupState !== EMPTY_OBJ) {
            blocks.push(createInstanceBlock('setup', instance.setupState));
        }
        if (instance.data !== EMPTY_OBJ) {
            blocks.push(createInstanceBlock('data', toRaw(instance.data)));
        }
        const computed = extractKeys(instance, 'computed');
        if (computed) {
            blocks.push(createInstanceBlock('computed', computed));
        }
        const injected = extractKeys(instance, 'inject');
        if (injected) {
            blocks.push(createInstanceBlock('injected', injected));
        }
        blocks.push([
            'div',
            {},
            [
                'span',
                {
                    style: keywordStyle.style + ';opacity:0.66'
                },
                '$ (internal): '
            ],
            ['object', { object: instance }]
        ]);
        return blocks;
    }
    function createInstanceBlock(type, target) {
        target = extend({}, target);
        if (!Object.keys(target).length) {
            return ['span', {}];
        }
        return [
            'div',
            { style: 'line-height:1.25em;margin-bottom:0.6em' },
            [
                'div',
                {
                    style: 'color:#476582'
                },
                type
            ],
            [
                'div',
                {
                    style: 'padding-left:1.25em'
                },
                ...Object.keys(target).map(key => {
                    return [
                        'div',
                        {},
                        ['span', keywordStyle, key + ': '],
                        formatValue(target[key], false)
                    ];
                })
            ]
        ];
    }
    function formatValue(v, asRaw = true) {
        if (typeof v === 'number') {
            return ['span', numberStyle, v];
        }
        else if (typeof v === 'string') {
            return ['span', stringStyle, JSON.stringify(v)];
        }
        else if (typeof v === 'boolean') {
            return ['span', keywordStyle, v];
        }
        else if (isObject(v)) {
            return ['object', { object: asRaw ? toRaw(v) : v }];
        }
        else {
            return ['span', stringStyle, String(v)];
        }
    }
    function extractKeys(instance, type) {
        const Comp = instance.type;
        if (isFunction(Comp)) {
            return;
        }
        const extracted = {};
        for (const key in instance.ctx) {
            if (isKeyOfType(Comp, key, type)) {
                extracted[key] = instance.ctx[key];
            }
        }
        return extracted;
    }
    function isKeyOfType(Comp, key, type) {
        const opts = Comp[type];
        if ((isArray(opts) && opts.includes(key)) ||
            (isObject(opts) && key in opts)) {
            return true;
        }
        if (Comp.extends && isKeyOfType(Comp.extends, key, type)) {
            return true;
        }
        if (Comp.mixins && Comp.mixins.some(m => isKeyOfType(m, key, type))) {
            return true;
        }
    }
    function genRefFlag(v) {
        if (isShallow(v)) {
            return `ShallowRef`;
        }
        if (v.effect) {
            return `ComputedRef`;
        }
        return `Ref`;
    }
    if (window.devtoolsFormatters) {
        window.devtoolsFormatters.push(formatter);
    }
    else {
        window.devtoolsFormatters = [formatter];
    }
}

function withMemo(memo, render, cache, index) {
    const cached = cache[index];
    if (cached && isMemoSame(cached, memo)) {
        return cached;
    }
    const ret = render();
    // shallow clone
    ret.memo = memo.slice();
    return (cache[index] = ret);
}
function isMemoSame(cached, memo) {
    const prev = cached.memo;
    if (prev.length != memo.length) {
        return false;
    }
    for (let i = 0; i < prev.length; i++) {
        if (prev[i] !== memo[i]) {
            return false;
        }
    }
    // make sure to let parent block track it when returning cached
    if (isBlockTreeEnabled > 0 && currentBlock) {
        currentBlock.push(cached);
    }
    return true;
}

// Core API ------------------------------------------------------------------
const version = "3.2.31";
/**
 * @internal only exposed in compat builds
 */
const resolveFilter = null;
/**
 * @internal only exposed in compat builds.
 */
const compatUtils = (null);

const nodeOps = {
    insert: (child, parent, anchor) => {
        if (!anchor) {
            return parent.appendChild(child);
        }
        return parent.insertBefore(child, anchor);
    },
    remove: child => {
        const parent = child.parentNode;
        if (parent) {
            parent.removeChild(child);
        }
    },
    createElement: (tag) => {
        return document.createElement(tag);
    },
    createText: text => document.createText(text),
    createComment: text => document.createComment(text),
    setText: (node, text) => {
        node.setAttr('value', text);
    },
    setElementText: (el, text) => {
        el.setAttr('value', text);
    },
    parentNode: node => node.parentNode,
    nextSibling: node => node.nextSibling
};

function each(obj) {
    return Object.keys(obj);
}
function useCssStyles(componentStyles) {
    const normalized = {};
    if (!isArray(componentStyles)) {
        return normalized;
    }
    componentStyles.forEach(componentStyle => {
        each(componentStyle).forEach(className => {
            const parentStyles = componentStyle[className];
            const normalizedStyles = normalized[className] || (normalized[className] = {});
            each(parentStyles).forEach(parentSelector => {
                const parentStyle = parentStyles[parentSelector];
                const normalizedStyle = normalizedStyles[parentSelector] ||
                    (normalizedStyles[parentSelector] = {});
                each(parentStyle).forEach(name => {
                    if (name[0] === '!') {
                        // 如果以包含important属性，则移除非important
                        normalizedStyle[name] = parentStyle[name];
                        delete normalizedStyle[name.slice(1)];
                    }
                    else {
                        // 当前属性非important，且不存在同名important属性
                        if (!hasOwn(normalizedStyle, '!' + name)) {
                            normalizedStyle[name] = parentStyle[name];
                        }
                    }
                });
            });
        });
    });
    return normalized;
}
function hasClass(calssName, el) {
    const classList = el && el.classList;
    return classList && classList.includes(calssName);
}
const TYPE_RE = /[+~> ]$/;
const PROPERTY_PARENT_NODE = 'parentNode';
const PROPERTY_PREVIOUS_SIBLING = 'previousSibling';
function isMatchParentSelector(parentSelector, el) {
    const classArray = parentSelector.split('.');
    for (let i = classArray.length - 1; i > 0; i--) {
        const item = classArray[i];
        const type = item[item.length - 1];
        const className = item.replace(TYPE_RE, '');
        let property = PROPERTY_PARENT_NODE;
        let recurse = true;
        if (type === '>') {
            recurse = false;
        }
        else if (type === '+') {
            property = PROPERTY_PREVIOUS_SIBLING;
            recurse = false;
        }
        else if (type === '~') {
            property = PROPERTY_PREVIOUS_SIBLING;
        }
        if (recurse) {
            while (el) {
                el = el[property];
                if (hasClass(className, el)) {
                    break;
                }
            }
            if (!el) {
                return false;
            }
        }
        else {
            el = el && el[property];
            if (!hasClass(className, el)) {
                return false;
            }
        }
    }
    return true;
}
const WEIGHT_IMPORTANT = 1000;
function parseClassName({ styles, weights }, parentStyles, el) {
    each(parentStyles).forEach(parentSelector => {
        if (parentSelector && el) {
            if (!isMatchParentSelector(parentSelector, el)) {
                return;
            }
        }
        const classWeight = parentSelector.split('.').length;
        const style = parentStyles[parentSelector];
        each(style).forEach(name => {
            const value = style[name];
            const isImportant = name[0] === '!';
            if (isImportant) {
                name = name.slice(1);
            }
            const oldWeight = weights[name] || 0;
            const weight = classWeight + (isImportant ? WEIGHT_IMPORTANT : 0);
            if (weight >= oldWeight) {
                weights[name] = weight;
                styles[name] = value;
            }
        });
    });
}
function parseClassListWithStyleSheet(classList, stylesheet, el = null) {
    const context = {
        styles: {},
        weights: {}
    };
    classList.forEach(className => {
        const parentStyles = stylesheet[className];
        if (parentStyles) {
            parseClassName(context, parentStyles, el);
        }
    });
    return context.styles;
}
function parseClassStyles(el) {
    return parseClassListWithStyleSheet(el.classList, el.styleSheet, el);
}
function parseClassList(classList, instance, el = null) {
    return parseClassListWithStyleSheet(classList, parseStyleSheet(instance), el);
}
function parseStyleSheet({ type, appContext }) {
    const component = type;
    if (!component.__styles) {
        // nvue 和 vue 混合开发时，__globalStyles注入的是未处理过的
        if (appContext && isArray(appContext.provides.__globalStyles)) {
            appContext.provides.__globalStyles = useCssStyles(appContext.provides.__globalStyles);
        }
        if (component.mpType === 'page' && appContext) {
            // 如果是页面组件，则直接使用全局样式
            component.__styles = appContext.provides.__globalStyles;
        }
        else {
            const styles = [];
            if (appContext) {
                // 全局样式，包括 app.css 以及 page.css
                styles.push(appContext.provides.__globalStyles);
            }
            if (isArray(component.styles)) {
                component.styles.forEach(style => styles.push(style));
            }
            component.__styles = useCssStyles(styles);
        }
    }
    return component.__styles;
}

function patchAttr(el, key, value, instance = null) {
    if (instance) {
        [key, value] = transformAttr(el, key, value, instance);
    }
    if (value == null) ;
    else {
        el.setAttr(key, value);
    }
}
const ATTR_HOVER_CLASS = 'hoverClass';
const ATTR_PLACEHOLDER_CLASS = 'placeholderClass';
const ATTR_PLACEHOLDER_STYLE = 'placeholderStyle';
const ATTR_INDICATOR_CLASS = 'indicatorClass';
const ATTR_INDICATOR_STYLE = 'indicatorStyle';
const ATTR_MASK_CLASS = 'maskClass';
const ATTR_MASK_STYLE = 'maskStyle';
const CLASS_AND_STYLES = {
    view: {
        class: [ATTR_HOVER_CLASS],
        style: []
    },
    button: {
        class: [ATTR_HOVER_CLASS],
        style: []
    },
    navigator: {
        class: [ATTR_HOVER_CLASS],
        style: []
    },
    'u-input': {
        class: [ATTR_PLACEHOLDER_CLASS],
        style: [ATTR_PLACEHOLDER_STYLE]
    },
    'u-textarea': {
        class: [ATTR_PLACEHOLDER_CLASS],
        style: [ATTR_PLACEHOLDER_STYLE]
    },
    'picker-view': {
        class: [ATTR_INDICATOR_CLASS, ATTR_MASK_CLASS],
        style: [ATTR_INDICATOR_STYLE, ATTR_MASK_STYLE]
    }
};
function transformAttr(el, key, value, instance) {
    if (!value) {
        return [key, value];
    }
    const opts = CLASS_AND_STYLES[el.type];
    if (opts) {
        const camelized = camelize(key);
        if (opts['class'].indexOf(camelized) > -1) {
            return [camelized, parseClassList([value], instance, el)];
        }
        if (opts['style'].indexOf(key) > -1) {
            if (isString(value)) {
                return [camelized, parseStringStyle(value)];
            }
            return [camelized, normalizeStyle(value)];
        }
    }
    return [key, value];
}

/**
 * 当前仅 patch 到 el 中，真正更新则是在 el 中
 * @param el
 * @param pre
 * @param next
 * @param instance
 * @returns
 */
function patchClass(el, pre, next, instance = null) {
    if (!instance) {
        return;
    }
    const classList = next ? next.split(' ') : [];
    el.setClassList(classList);
    el.setStyleSheet(parseStyleSheet(instance));
}

function addEventListener(el, event, handler, options) {
    el.addEvent(event, handler);
}
function removeEventListener(el, event) {
    el.removeEvent(event);
}
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);
        }
        else if (existingInvoker) {
            // remove
            removeEventListener(el, name);
            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) => {
        callWithAsyncErrorHandling(invoker.value, instance, 5 /* NATIVE_EVENT_HANDLER */, [e]);
    };
    invoker.value = initialValue;
    const modifiers = new Set();
    // 合并 modifiers
    if (isArray(invoker.value)) {
        invoker.value.forEach(v => {
            if (v.modifiers) {
                v.modifiers.forEach((m) => {
                    modifiers.add(m);
                });
            }
        });
    }
    else {
        if (invoker.value.modifiers) {
            invoker.value.modifiers.forEach((m) => {
                modifiers.add(m);
            });
        }
        initWxsEvent(invoker, instance);
    }
    invoker.modifiers = [...modifiers];
    return invoker;
}
function initWxsEvent(invoker, instance) {
    if (!instance) {
        return;
    }
    const { $wxsModules } = instance;
    if (!$wxsModules) {
        return;
    }
    const invokerSourceCode = invoker.value.toString();
    if (!$wxsModules.find(module => invokerSourceCode.indexOf('.' + module + '.') > -1)) {
        return;
    }
    invoker.wxsEvent = invoker.value();
}

function patchStyle(el, prev, next) {
    if (!next) {
        // TODO remove styles
        // el.setStyles({})
        return;
    }
    if (isString(next)) {
        next = parseStringStyle(next);
    }
    const batchedStyles = {};
    const isPrevObj = prev && !isString(prev);
    if (isPrevObj) {
        for (const key in prev) {
            if (next[key] == null) {
                batchedStyles[camelize(key)] = '';
            }
        }
        for (const key in next) {
            const value = next[key];
            if (value !== prev[key]) {
                batchedStyles[camelize(key)] = value;
            }
        }
    }
    else {
        for (const key in next) {
            batchedStyles[camelize(key)] = next[key];
        }
    }
    el.setStyles(batchedStyles);
}

const patchProp = (el, key, prevValue, nextValue, isSVG = false, prevChildren, parentComponent, parentSuspense, unmountChildren) => {
    if (key === 'class') {
        patchClass(el, prevValue, nextValue, parentComponent);
    }
    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 {
        patchAttr(el, key, nextValue, parentComponent);
    }
};

function useCssModule(name = '$style') {
    /* istanbul ignore else */
    {
        const instance = getCurrentInstance();
        if (!instance) {
            (process.env.NODE_ENV !== 'production') && warn(`useCssModule must be called inside setup()`);
            return EMPTY_OBJ;
        }
        const modules = instance.type.__cssModules;
        if (!modules) {
            (process.env.NODE_ENV !== 'production') && warn(`Current instance does not have CSS modules injected.`);
            return EMPTY_OBJ;
        }
        const mod = modules[name];
        if (!mod) {
            (process.env.NODE_ENV !== 'production') &&
                warn(`Current instance does not have CSS module named "${name}".`);
            return EMPTY_OBJ;
        }
        return mod;
    }
}

/**
 * Runtime helper for SFC's CSS variable injection feature.
 * @private
 */
function useCssVars(getter) {
    const instance = getCurrentInstance();
    /* istanbul ignore next */
    if (!instance) {
        (process.env.NODE_ENV !== 'production') &&
            warn(`useCssVars is called without current active component instance.`);
        return;
    }
    const setVars = () => setVarsOnVNode(instance.subTree, getter(instance.proxy));
    onMounted(() => watchEffect(setVars, { flush: 'post' }));
    onUpdated(setVars);
}
function setVarsOnVNode(vnode, vars) {
    if (vnode.shapeFlag & 128 /* SUSPENSE */) {
        const suspense = vnode.suspense;
        vnode = suspense.activeBranch;
        if (suspense.pendingBranch && !suspense.isHydrating) {
            suspense.effects.push(() => {
                setVarsOnVNode(suspense.activeBranch, vars);
            });
        }
    }
    // drill down HOCs until it's a non-component vnode
    while (vnode.component) {
        vnode = vnode.component.subTree;
    }
    if (vnode.shapeFlag & 1 /* ELEMENT */ && vnode.el) {
        const style = vnode.el.style;
        for (const key in vars) {
            style.setProperty(`--${key}`, vars[key]);
        }
    }
    else if (vnode.type === Fragment) {
        vnode.children.forEach(c => setVarsOnVNode(c, vars));
    }
}

const rendererOptions = 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)));
}
// use explicit type casts here to avoid import() calls in rolled-up d.ts
const render = ((...args) => {
    ensureRenderer().render(...args);
});
const createApp = ((...args) => {
    const app = ensureRenderer().createApp(...args);
    const { mount } = app;
    app.mount = (container) => {
        return mount(container);
    };
    return app;
});

export { BaseTransition, Comment, Fragment, KeepAlive, Static, Suspense, Teleport, Text, callWithAsyncErrorHandling, callWithErrorHandling, cloneVNode, compatUtils, computed, createApp, createBlock, createCommentVNode, createElementBlock, createBaseVNode as createElementVNode, createHydrationRenderer, createPropsRestProxy, createRenderer, createSlots, createStaticVNode, createTextVNode, createVNode, defineAsyncComponent, defineComponent, defineEmits, defineExpose, defineProps, devtools, getCurrentInstance, getTransitionRawChildren, guardReactiveProps, h, handleError, initCustomFormatter, inject, injectHook, isInSSRComponentSetup, isMemoSame, isRuntimeOnly, isVNode, mergeDefaults, mergeProps, nextTick, onActivated, onBeforeMount, onBeforeUnmount, onBeforeUpdate, onDeactivated, onErrorCaptured, onMounted, onRenderTracked, onRenderTriggered, onServerPrefetch, onUnmounted, onUpdated, openBlock, parseClassList, parseClassStyles, popScopeId, provide, pushScopeId, queuePostFlushCb, registerRuntimeCompiler, render, renderList, renderSlot, resolveComponent, resolveDirective, resolveDynamicComponent, resolveFilter, resolveTransitionHooks, setBlockTracking, setDevtoolsHook, setTransitionHooks, ssrContextKey, toHandlers, transformVNodeArgs, useAttrs, useCssModule, useCssStyles, useCssVars, useSSRContext, useSlots, useTransitionState, version, warn, watch, watchEffect, watchPostEffect, watchSyncEffect, withAsyncContext, withCtx, withDefaults, withDirectives, withMemo, withScopeId };