nvue.runtime.esm.dev.js

import { isString, isFunction, isPromise, getGlobalThis, extend, EMPTY_OBJ, isArray, NOOP, remove, isObject, toHandlerKey, camelize, capitalize, normalizeClass, normalizeStyle, isOn, NO, hasOwn, toNumber, hasChanged, isSet, isMap, isPlainObject, invokeArrayFns, isBuiltInDirective, isReservedProp, EMPTY_ARR, makeMap, isModelListener, hyphenate, def, toRawType, parseStringStyle, isGloballyWhitelisted } 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, isProxy, shallowReadonly, proxyRefs, markRaw, computed as computed$1, EffectScope, track, isReadonly, reactive, shallowReactive, trigger } 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';
var stack = [];

function pushWarningContext(vnode) {
  stack.push(vnode);
}

function popWarningContext() {
  stack.pop();
}

function warn(msg) {
  // avoid props formatting or warn handler tracking deps that might be mutated
  // during patch, leading to infinite recursion.
  pauseTracking();
  var instance = stack.length ? stack[stack.length - 1].component : null;
  var appWarnHandler = instance && instance.appContext.config.warnHandler;
  var trace = getComponentTrace();

  for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    args[_key - 1] = arguments[_key];
  }

  if (appWarnHandler) {
    callWithErrorHandling(appWarnHandler, instance, 11
    /* APP_WARN_HANDLER */
    , [msg + args.join(''), instance && instance.proxy, trace.map(_ref => {
      var {
        vnode
      } = _ref;
      return "at <".concat(formatComponentName(instance, vnode.type), ">");
    }).join('\n'), trace]);
  } else {
    var warnArgs = ["[Vue warn]: ".concat(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() {
  var 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.


  var normalizedStack = [];

  while (currentVNode) {
    var last = normalizedStack[0];

    if (last && last.vnode === currentVNode) {
      last.recurseCount++;
    } else {
      normalizedStack.push({
        vnode: currentVNode,
        recurseCount: 0
      });
    }

    var parentInstance = currentVNode.component && currentVNode.component.parent;
    currentVNode = parentInstance && parentInstance.vnode;
  }

  return normalizedStack;
}
/* istanbul ignore next */


function formatTrace(trace) {
  var logs = [];
  trace.forEach((entry, i) => {
    logs.push(...(i === 0 ? [] : ["\n"]), ...formatTraceEntry(entry));
  });
  return logs;
}

function formatTraceEntry(_ref2) {
  var {
    vnode,
    recurseCount
  } = _ref2;
  var postfix = recurseCount > 0 ? "... (".concat(recurseCount, " recursive calls)") : "";
  var isRoot = vnode.component ? vnode.component.parent == null : false;
  var open = " at <".concat(formatComponentName(vnode.component, vnode.type, isRoot));
  var close = ">" + postfix;
  return vnode.props ? [open, ...formatProps(vnode.props), close] : [open + close];
}
/* istanbul ignore next */


function formatProps(props) {
  var res = [];
  var 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 : ["".concat(key, "=").concat(value)];
  } else if (typeof value === 'number' || typeof value === 'boolean' || value == null) {
    return raw ? value : ["".concat(key, "=").concat(value)];
  } else if (isRef(value)) {
    value = formatProp(key, toRaw(value.value), true);
    return raw ? value : ["".concat(key, "=Ref<"), value, ">"];
  } else if (isFunction(value)) {
    return ["".concat(key, "=fn").concat(value.name ? "<".concat(value.name, ">") : "")];
  } else {
    value = toRaw(value);
    return raw ? value : ["".concat(key, "="), value];
  }
}

var 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) {
  var res;

  try {
    res = args ? fn(...args) : fn();
  } catch (err) {
    handleError(err, instance, type);
  }

  return res;
}

function callWithAsyncErrorHandling(fn, instance, type, args) {
  if (isFunction(fn)) {
    var res = callWithErrorHandling(fn, instance, type, args);

    if (res && isPromise(res)) {
      res.catch(err => {
        handleError(err, instance, type);
      });
    }

    return res;
  }

  var values = [];

  for (var i = 0; i < fn.length; i++) {
    values.push(callWithAsyncErrorHandling(fn[i], instance, type, args));
  }

  return values;
}

function handleError(err, instance, type) {
  var throwInDev = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
  var contextVNode = instance ? instance.vnode : null;

  if (instance) {
    var cur = instance.parent; // the exposed instance is the render proxy to keep it consistent with 2.x

    var exposedInstance = instance.proxy; // in production the hook receives only the error code
    // fixed by xxxxxx

    var errorInfo = ErrorTypeStrings[type] || type;

    while (cur) {
      var errorCapturedHooks = cur.ec;

      if (errorCapturedHooks) {
        for (var i = 0; i < errorCapturedHooks.length; i++) {
          if (errorCapturedHooks[i](err, exposedInstance, errorInfo) === false) {
            return;
          }
        }
      }

      cur = cur.parent;
    } // app-level handling


    var 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) {
  var throwInDev = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
  {
    var info = ErrorTypeStrings[type] || type; // fixed by xxxxxx

    if (contextVNode) {
      pushWarningContext(contextVNode);
    }

    warn("Unhandled error".concat(info ? " during execution of ".concat(info) : ""));

    if (contextVNode) {
      popWarningContext();
    } // crash in dev by default so it's more noticeable


    if (throwInDev) {
      throw err;
    } else {
      console.error(err);
    }
  }
}

var isFlushing = false;
var isFlushPending = false;
var queue = [];
var flushIndex = 0;
var pendingPreFlushCbs = [];
var activePreFlushCbs = null;
var preFlushIndex = 0;
var pendingPostFlushCbs = [];
var activePostFlushCbs = null;
var postFlushIndex = 0;
var resolvedPromise = Promise.resolve();
var currentFlushPromise = null;
var currentPreFlushParentJob = null;
var RECURSION_LIMIT = 100;

function nextTick(fn) {
  var 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`
  var start = flushIndex + 1;
  var end = queue.length;

  while (start < end) {
    var middle = start + end >>> 1;
    var 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) {
  var 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) {
  var parentJob = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

  if (pendingPreFlushCbs.length) {
    currentPreFlushParentJob = parentJob;
    activePreFlushCbs = [...new Set(pendingPreFlushCbs)];
    pendingPreFlushCbs.length = 0;
    {
      seen = seen || new Map();
    }

    for (preFlushIndex = 0; preFlushIndex < activePreFlushCbs.length; preFlushIndex++) {
      if (checkRecursiveUpdates(seen, activePreFlushCbs[preFlushIndex])) {
        continue;
      }

      activePreFlushCbs[preFlushIndex]();
    }

    activePreFlushCbs = null;
    preFlushIndex = 0;
    currentPreFlushParentJob = null; // recursively flush until it drains

    flushPreFlushCbs(seen, parentJob);
  }
}

function flushPostFlushCbs(seen) {
  if (pendingPostFlushCbs.length) {
    var deduped = [...new Set(pendingPostFlushCbs)];
    pendingPostFlushCbs.length = 0; // #1947 already has active queue, nested flushPostFlushCbs call

    if (activePostFlushCbs) {
      activePostFlushCbs.push(...deduped);
      return;
    }

    activePostFlushCbs = deduped;
    {
      seen = seen || new Map();
    }
    activePostFlushCbs.sort((a, b) => getId(a) - getId(b));

    for (postFlushIndex = 0; postFlushIndex < activePostFlushCbs.length; postFlushIndex++) {
      if (checkRecursiveUpdates(seen, activePostFlushCbs[postFlushIndex])) {
        continue;
      }

      activePostFlushCbs[postFlushIndex]();
    }

    activePostFlushCbs = null;
    postFlushIndex = 0;
  }
}

var getId = job => job.id == null ? Infinity : job.id;

function flushJobs(seen) {
  isFlushPending = false;
  isFlushing = true;
  {
    seen = seen || new Map();
  }
  flushPreFlushCbs(seen); // Sort queue before flush.
  // This ensures that:
  // 1. Components are updated from parent to child. (because parent is always
  //    created before the child so its render effect will have smaller
  //    priority number)
  // 2. If a component is unmounted during a parent component's update,
  //    its update can be skipped.

  queue.sort((a, b) => getId(a) - getId(b)); // conditional usage of checkRecursiveUpdate must be determined out of
  // try ... catch block since Rollup by default de-optimizes treeshaking
  // inside try-catch. This can leave all warning code unshaked. Although
  // they would get eventually shaken by a minifier like terser, some minifiers
  // would fail to do that (e.g. https://github.com/evanw/esbuild/issues/1610)

  var check = job => checkRecursiveUpdates(seen, job);

  try {
    for (flushIndex = 0; flushIndex < queue.length; flushIndex++) {
      var job = queue[flushIndex];

      if (job && job.active !== false) {
        if ("development" !== '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 {
    var count = seen.get(fn);

    if (count > RECURSION_LIMIT) {
      var instance = fn.ownerInstance;
      var componentName = instance && getComponentName(instance.type);
      warn("Maximum recursive updates exceeded".concat(componentName ? " in component <".concat(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 */


var isHmrUpdating = false;
var hmrDirtyComponents = new Set(); // Expose the HMR runtime on the global object
// This makes it entirely tree-shakable without polluting the exports and makes
// it easier to be used in toolings like vue-loader
// Note: for a component to be eligible for HMR it also needs the __hmrId option
// to be set so that its instances can be registered / removed.

{
  getGlobalThis().__VUE_HMR_RUNTIME__ = {
    createRecord: tryWrap(createRecord),
    rerender: tryWrap(rerender),
    reload: tryWrap(reload)
  };
}
var map = new Map();

function registerHMR(instance) {
  var id = instance.type.__hmrId;
  var 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) {
  var 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) {
  var 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

  var instances = [...record.instances];

  for (var instance of instances) {
    var 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 (var _instance of instances) {
      hmrDirtyComponents.delete(normalizeClassComponent(_instance.type));
    }
  });
}

function updateComponentDef(oldComp, newComp) {
  extend(oldComp, newComp);

  for (var 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.");
    }
  };
}

var devtools;
var buffer = [];
var devtoolsNotInstalled = false;

function emit(event) {
  for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
    args[_key2 - 1] = arguments[_key2];
  }

  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(_ref3 => {
      var {
        event,
        args
      } = _ref3;
      return 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'))) {
    var 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);
}

var devtoolsComponentAdded = /*#__PURE__*/createDevtoolsComponentHook("component:added"
/* COMPONENT_ADDED */
);
var devtoolsComponentUpdated = /*#__PURE__*/createDevtoolsComponentHook("component:updated"
/* COMPONENT_UPDATED */
);
var 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);
  };
}

var devtoolsPerfStart = /*#__PURE__*/createDevtoolsPerformanceHook("perf:start"
/* PERFORMANCE_START */
);
var 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) {
  var props = instance.vnode.props || EMPTY_OBJ;

  for (var _len3 = arguments.length, rawArgs = new Array(_len3 > 2 ? _len3 - 2 : 0), _key3 = 2; _key3 < _len3; _key3++) {
    rawArgs[_key3 - 2] = arguments[_key3];
  }

  {
    var {
      emitsOptions,
      propsOptions: [propsOptions]
    } = instance;

    if (emitsOptions) {
      if (!(event in emitsOptions) && !false) {
        if (!propsOptions || !(toHandlerKey(event) in propsOptions)) {
          warn("Component emitted event \"".concat(event, "\" but it is neither declared in ") + "the emits option nor as an \"".concat(toHandlerKey(event), "\" prop."));
        }
      } else {
        var validator = emitsOptions[event];

        if (isFunction(validator)) {
          var isValid = validator(...rawArgs);

          if (!isValid) {
            warn("Invalid event arguments: event validation failed for event \"".concat(event, "\"."));
          }
        }
      }
    }
  }
  var args = rawArgs;
  var isModelListener = event.startsWith('update:'); // for v-model update:xxx events, apply modifiers on args

  var modelArg = isModelListener && event.slice(7);

  if (modelArg && modelArg in props) {
    var modifiersKey = "".concat(modelArg === 'modelValue' ? 'model' : modelArg, "Modifiers");
    var {
      number,
      trim
    } = props[modifiersKey] || EMPTY_OBJ;

    if (trim) {
      args = rawArgs.map(a => a.trim());
    } else if (number) {
      args = rawArgs.map(toNumber);
    }
  }

  {
    devtoolsComponentEmit(instance, event, args);
  }
  {
    var lowerCaseEvent = event.toLowerCase();

    if (lowerCaseEvent !== event && props[toHandlerKey(lowerCaseEvent)]) {
      warn("Event \"".concat(lowerCaseEvent, "\" is emitted in component ") + "".concat(formatComponentName(instance, instance.type), " but the handler is registered for \"").concat(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 \"".concat(hyphenate(event), "\" instead of \"").concat(event, "\"."));
    }
  }
  var handlerName;
  var 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);
  }

  var 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) {
  var asMixin = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  var cache = appContext.emitsCache;
  var cached = cache.get(comp);

  if (cached !== undefined) {
    return cached;
  }

  var raw = comp.emits;
  var normalized = {}; // apply mixin/extends props

  var hasExtends = false;

  if (!isFunction(comp)) {
    var extendEmits = raw => {
      var 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
 */


var currentRenderingInstance = null;
var 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) {
  var 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
 */


var withScopeId = _id => withCtx;
/**
 * Wrap a slot function to memoize current rendering instance
 * @private compiler helper
 */


function withCtx(fn) {
  var ctx = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : currentRenderingInstance;
  var isNonScopedSlot // false only
  = arguments.length > 2 ? arguments[2] : undefined;
  if (!ctx) return fn; // already normalized

  if (fn._n) {
    return fn;
  }

  var renderFnWithContext = function () {
    // 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);
    }

    var prevInstance = setCurrentRenderingInstance(ctx);
    var res = fn(...arguments);
    setCurrentRenderingInstance(prevInstance);

    if (renderFnWithContext._d) {
      setBlockTracking(1);
    }

    {
      devtoolsComponentUpdated(ctx);
    }
    return res;
  }; // mark normalized to avoid duplicated wrapping


  renderFnWithContext._n = true; // mark this as compiled by default
  // this is used in vnode.ts -> normalizeChildren() to set the slot
  // rendering flag.

  renderFnWithContext._c = true; // disable block tracking by default

  renderFnWithContext._d = true;
  return renderFnWithContext;
}
/**
 * dev only flag to track whether $attrs was used during render.
 * If $attrs was used during render then the warning for failed attrs
 * fallthrough can be suppressed.
 */


var accessedAttrs = false;

function markAttrsAccessed() {
  accessedAttrs = true;
}

function renderComponentRoot(instance) {
  var {
    type: Component,
    vnode,
    proxy,
    withProxy,
    props,
    propsOptions: [propsOptions],
    slots,
    attrs,
    emit,
    render,
    renderCache,
    data,
    setupState,
    ctx,
    inheritAttrs
  } = instance;
  var result;
  var fallthroughAttrs;
  var prev = setCurrentRenderingInstance(instance);
  {
    accessedAttrs = false;
  }

  try {
    if (vnode.shapeFlag & 4
    /* STATEFUL_COMPONENT */
    ) {
      // withProxy is a proxy with a different `has` trap only for
      // runtime-compiled render functions using `with` block.
      var proxyToUse = withProxy || proxy;
      result = normalizeVNode(render.call(proxyToUse, proxyToUse, renderCache, props, setupState, data, ctx));
      fallthroughAttrs = attrs;
    } else {
      // functional
      var _render = Component; // in dev, mark attrs accessed if optional props (attrs === props)

      if ("development" !== 'production' && attrs === props) {
        markAttrsAccessed();
      }

      result = normalizeVNode(_render.length > 1 ? _render(props, "development" !== '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


  var root = result;
  var setRoot = undefined;

  if (result.patchFlag > 0 && result.patchFlag & 2048
  /* DEV_ROOT_FRAGMENT */
  ) {
    [root, setRoot] = getChildRoot(result);
  }

  if (fallthroughAttrs && inheritAttrs !== false) {
    var keys = Object.keys(fallthroughAttrs);
    var {
      shapeFlag
    } = root;

    if (keys.length) {
      if (shapeFlag & (1
      /* ELEMENT */
      | 6
      /* COMPONENT */
      )) {
        if (propsOptions && keys.some(isModelListener)) {
          // If a v-model listener (onUpdate:xxx) has a corresponding declared
          // prop, it indicates this component expects to handle v-model and
          // it should not fallthrough.
          // related: #1543, #1643, #1989
          fallthroughAttrs = filterModelListeners(fallthroughAttrs, propsOptions);
        }

        root = cloneVNode(root, fallthroughAttrs);
      } else if (!accessedAttrs && root.type !== Comment) {
        var allAttrs = Object.keys(attrs);
        var eventAttrs = [];
        var extraAttrs = [];

        for (var i = 0, l = allAttrs.length; i < l; i++) {
          var 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 (" + "".concat(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 (" + "".concat(eventAttrs.join(', '), ") ") + "were passed to component but could not be automatically inherited " + "because component renders fragment or text root nodes. " + "If the listener is intended to be a component custom event listener only, " + "declare it using the \"emits\" option.");
        }
      }
    }
  } // inherit directives


  if (vnode.dirs) {
    if (!isElementRoot(root)) {
      warn("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 (!isElementRoot(root)) {
      warn("Component inside <Transition> renders non-element root node " + "that cannot be animated.");
    }

    root.transition = vnode.transition;
  }

  if (setRoot) {
    setRoot(root);
  } else {
    result = root;
  }

  setCurrentRenderingInstance(prev);
  return result;
}
/**
 * dev only
 * In dev mode, template root level comments are rendered, which turns the
 * template into a fragment root, but we need to locate the single element
 * root for attrs and scope id processing.
 */


var getChildRoot = vnode => {
  var rawChildren = vnode.children;
  var dynamicChildren = vnode.dynamicChildren;
  var childRoot = filterSingleRoot(rawChildren);

  if (!childRoot) {
    return [vnode, undefined];
  }

  var index = rawChildren.indexOf(childRoot);
  var dynamicIndex = dynamicChildren ? dynamicChildren.indexOf(childRoot) : -1;

  var 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) {
  var singleRoot;

  for (var i = 0; i < children.length; i++) {
    var 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;
}

var getFunctionalFallthrough = attrs => {
  var res;

  for (var key in attrs) {
    if (key === 'class' || key === 'style' || isOn(key)) {
      (res || (res = {}))[key] = attrs[key];
    }
  }

  return res;
};

var filterModelListeners = (attrs, props) => {
  var res = {};

  for (var key in attrs) {
    if (!isModelListener(key) || !(key.slice(9) in props)) {
      res[key] = attrs[key];
    }
  }

  return res;
};

var isElementRoot = vnode => {
  return vnode.shapeFlag & (6
  /* COMPONENT */
  | 1
  /* ELEMENT */
  ) || vnode.type === Comment // potential v-if branch switch
  ;
};

function shouldUpdateComponent(prevVNode, nextVNode, optimized) {
  var {
    props: prevProps,
    children: prevChildren,
    component
  } = prevVNode;
  var {
    props: nextProps,
    children: nextChildren,
    patchFlag
  } = nextVNode;
  var emits = component.emitsOptions; // Parent component's render function was hot-updated. Since this may have
  // caused the child component's slots content to have changed, we need to
  // force the child to update as well.

  if ((prevChildren || nextChildren) && isHmrUpdating) {
    return true;
  } // force child update for runtime directive or transition on component vnode.


  if (nextVNode.dirs || nextVNode.transition) {
    return true;
  }

  if (optimized && patchFlag >= 0) {
    if (patchFlag & 1024
    /* DYNAMIC_SLOTS */
    ) {
      // slot content that references values that might have changed,
      // e.g. in a v-for
      return true;
    }

    if (patchFlag & 16
    /* FULL_PROPS */
    ) {
      if (!prevProps) {
        return !!nextProps;
      } // presence of this flag indicates props are always non-null


      return hasPropsChanged(prevProps, nextProps, emits);
    } else if (patchFlag & 8
    /* PROPS */
    ) {
      var dynamicProps = nextVNode.dynamicProps;

      for (var i = 0; i < dynamicProps.length; i++) {
        var 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) {
  var nextKeys = Object.keys(nextProps);

  if (nextKeys.length !== Object.keys(prevProps).length) {
    return true;
  }

  for (var i = 0; i < nextKeys.length; i++) {
    var key = nextKeys[i];

    if (nextProps[key] !== prevProps[key] && !isEmitListener(emitsOptions, key)) {
      return true;
    }
  }

  return false;
}

function updateHOCHostEl(_ref4, el // HostNode
) {
  var {
    vnode,
    parent
  } = _ref4;

  while (parent && parent.subTree === vnode) {
    (vnode = parent.vnode).el = el;
    parent = parent.parent;
  }
}

var 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.


var 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

var Suspense = SuspenseImpl;

function triggerEvent(vnode, name) {
  var eventListener = vnode.props && vnode.props[name];

  if (isFunction(eventListener)) {
    eventListener();
  }
}

function mountSuspense(vnode, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals) {
  var {
    p: patch,
    o: {
      createElement
    }
  } = rendererInternals;
  var hiddenContainer = createElement('div');
  var 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, _ref5) {
  var {
    p: patch,
    um: unmount,
    o: {
      createElement
    }
  } = _ref5;
  var suspense = n2.suspense = n1.suspense;
  suspense.vnode = n2;
  n2.el = n1.el;
  var newBranch = n2.ssContent;
  var newFallback = n2.ssFallback;
  var {
    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 {
        var {
          timeout,
          pendingId
        } = suspense;

        if (timeout > 0) {
          setTimeout(() => {
            if (suspense.pendingId === pendingId) {
              suspense.fallback(newFallback);
            }
          }, timeout);
        } else if (timeout === 0) {
          suspense.fallback(newFallback);
        }
      }
    }
  }
}

var hasWarned = false;

function createSuspenseBoundary(vnode, parent, parentComponent, container, hiddenContainer, anchor, isSVG, slotScopeIds, optimized, rendererInternals) {
  var isHydrating = arguments.length > 10 && arguments[10] !== undefined ? arguments[10] : false;

  /* istanbul ignore if */
  if (!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.");
  }

  var {
    p: patch,
    m: move,
    um: unmount,
    n: next,
    o: {
      parentNode,
      remove
    }
  } = rendererInternals;
  var timeout = toNumber(vnode.props && vnode.props.timeout);
  var 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() {
      var resume = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
      {
        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.");
        }
      }
      var {
        vnode,
        activeBranch,
        pendingBranch,
        pendingId,
        effects,
        parentComponent,
        container
      } = suspense;

      if (suspense.isHydrating) {
        suspense.isHydrating = false;
      } else if (!resume) {
        var 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


        var {
          anchor: _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

      var parent = suspense.parent;
      var 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;
      }

      var {
        vnode,
        activeBranch,
        parentComponent,
        container,
        isSVG
      } = suspense; // invoke @fallback event

      triggerEvent(vnode, 'onFallback');
      var anchor = next(activeBranch);

      var 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);
      };

      var 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) {
      var isInPendingSuspense = !!suspense.pendingBranch;

      if (isInPendingSuspense) {
        suspense.deps++;
      }

      var 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;
        var {
          vnode
        } = instance;
        {
          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;
        }

        var 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);
        {
          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 */
  var 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

  var 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) {
  var {
    shapeFlag,
    children
  } = vnode;
  var isSlotChildren = shapeFlag & 32
  /* SLOTS_CHILDREN */
  ;
  vnode.ssContent = normalizeSuspenseSlot(isSlotChildren ? children.default : children);
  vnode.ssFallback = isSlotChildren ? normalizeSuspenseSlot(children.fallback) : createVNode(Comment);
}

function normalizeSuspenseSlot(s) {
  var block;

  if (isFunction(s)) {
    var 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)) {
    var singleChild = filterSingleRoot(s);

    if (!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;
  var {
    vnode,
    parentComponent
  } = suspense;
  var 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) {
    {
      warn("provide() can only be used inside setup().");
    }
  } else {
    var 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.

    var 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) {
  var treatDefaultAsFactory = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  // fallback to `currentRenderingInstance` so that this can be called in
  // a functional component
  var instance = currentInstance || currentRenderingInstance;

  if (instance) {
    // #2400
    // to support `app.use` plugins,
    // fallback to appContext's `provides` if the instance is at root
    var provides = instance.parent == null ? instance.vnode.appContext && instance.vnode.appContext.provides : instance.parent.provides;

    if (provides && key in provides) {
      // TS doesn't allow symbol as index type
      return provides[key];
    } else if (arguments.length > 1) {
      return treatDefaultAsFactory && isFunction(defaultValue) ? defaultValue.call(instance.proxy) : defaultValue;
    } else {
      warn("injection \"".concat(String(key), "\" not found."));
    }
  } else {
    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, Object.assign(options || {}, {
    flush: 'post'
  }));
}

function watchSyncEffect(effect, options) {
  return doWatch(effect, null, Object.assign(options || {}, {
    flush: 'sync'
  }));
} // initial value for watchers to trigger on undefined initial values


var INITIAL_WATCHER_VALUE = {}; // implementation

function watch(source, cb, options) {
  if (!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) {
  var {
    immediate,
    deep,
    flush,
    onTrack,
    onTrigger
  } = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : EMPTY_OBJ;

  if (!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.");
    }
  }

  var 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.");
  };

  var instance = currentInstance;
  var getter;
  var forceTrigger = false;
  var 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 {
        warnInvalidSource(s);
      }
    });
  } else if (isFunction(source)) {
    if (cb) {
      // getter with cb
      getter = () => callWithErrorHandling(source, instance, 2
      /* WATCH_GETTER */
      );
    } else {
      // no cb -> simple effect
      getter = () => {
        if (instance && instance.isUnmounted) {
          return;
        }

        if (cleanup) {
          cleanup();
        }

        return callWithAsyncErrorHandling(source, instance, 3
        /* WATCH_CALLBACK */
        , [onCleanup]);
      };
    }
  } else {
    getter = NOOP;
    warnInvalidSource(source);
  }

  if (cb && deep) {
    var baseGetter = getter;

    getter = () => traverse(baseGetter());
  }

  var cleanup;

  var 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;
  }

  var oldValue = isMultiSource ? [] : INITIAL_WATCHER_VALUE;

  var job = () => {
    if (!effect.active) {
      return;
    }

    if (cb) {
      // watch(source, cb)
      var 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;
  var 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();
      }
    };
  }

  var effect = new ReactiveEffect(getter, scheduler);
  {
    effect.onTrack = onTrack;
    effect.onTrigger = onTrigger;
  } // initial run

  if (cb) {
    if (immediate) {
      job();
    } else {
      oldValue = effect.run();
    }
  } else if (flush === 'post') {
    queuePostRenderEffect(effect.run.bind(effect), instance && instance.suspense);
  } else {
    effect.run();
  }

  return () => {
    effect.stop();

    if (instance && instance.scope) {
      remove(instance.scope.effects, effect);
    }
  };
} // this.$watch


function instanceWatch(source, value, options) {
  var publicThis = this.proxy;
  var getter = isString(source) ? source.includes('.') ? createPathGetter(publicThis, source) : () => publicThis[source] : source.bind(publicThis, publicThis);
  var cb;

  if (isFunction(value)) {
    cb = value;
  } else {
    cb = value.handler;
    options = value;
  }

  var cur = currentInstance;
  setCurrentInstance(this);
  var res = doWatch(getter, cb.bind(publicThis), options);

  if (cur) {
    setCurrentInstance(cur);
  } else {
    unsetCurrentInstance();
  }

  return res;
}

function createPathGetter(ctx, path) {
  var segments = path.split('.');
  return () => {
    var cur = ctx;

    for (var 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 (var 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 (var key in value) {
      traverse(value[key], seen);
    }
  }

  return value;
}

function useTransitionState() {
  var state = {
    isMounted: false,
    isLeaving: false,
    isUnmounting: false,
    leavingVNodes: new Map()
  };
  onMounted(() => {
    state.isMounted = true;
  });
  onBeforeUnmount(() => {
    state.isUnmounting = true;
  });
  return state;
}

var TransitionHookValidator = [Function, Array];
var 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, _ref6) {
    var {
      slots
    } = _ref6;
    var instance = getCurrentInstance();
    var state = useTransitionState();
    var prevTransitionKey;
    return () => {
      var children = slots.default && getTransitionRawChildren(slots.default(), true);

      if (!children || !children.length) {
        return;
      } // warn multiple elements


      if (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


      var rawProps = toRaw(props);
      var {
        mode
      } = rawProps; // check mode

      if (mode && mode !== 'in-out' && mode !== 'out-in' && mode !== 'default') {
        warn("invalid <transition> mode: ".concat(mode));
      } // at this point children has a guaranteed length of 1.


      var 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.


      var innerChild = getKeepAliveChild(child);

      if (!innerChild) {
        return emptyPlaceholder(child);
      }

      var enterHooks = resolveTransitionHooks(innerChild, rawProps, state, instance);
      setTransitionHooks(innerChild, enterHooks);
      var oldChild = instance.subTree;
      var oldInnerChild = oldChild && getKeepAliveChild(oldChild);
      var transitionKeyChanged = false;
      var {
        getTransitionKey
      } = innerChild.type;

      if (getTransitionKey) {
        var 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)) {
        var 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) => {
            var 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

var BaseTransition = BaseTransitionImpl;

function getLeavingNodesForType(state, vnode) {
  var {
    leavingVNodes
  } = state;
  var 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) {
  var {
    appear,
    mode,
    persisted = false,
    onBeforeEnter,
    onEnter,
    onAfterEnter,
    onEnterCancelled,
    onBeforeLeave,
    onLeave,
    onAfterLeave,
    onLeaveCancelled,
    onBeforeAppear,
    onAppear,
    onAfterAppear,
    onAppearCancelled
  } = props;
  var key = String(vnode.key);
  var leavingVNodesCache = getLeavingNodesForType(state, vnode);

  var callHook = (hook, args) => {
    hook && callWithAsyncErrorHandling(hook, instance, 9
    /* TRANSITION_HOOK */
    , args);
  };

  var hooks = {
    mode,
    persisted,

    beforeEnter(el) {
      var 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)


      var leavingVNode = leavingVNodesCache[key];

      if (leavingVNode && isSameVNodeType(vnode, leavingVNode) && leavingVNode.el._leaveCb) {
        // force early removal (not cancelled)
        leavingVNode.el._leaveCb();
      }

      callHook(hook, [el]);
    },

    enter(el) {
      var hook = onEnter;
      var afterHook = onAfterEnter;
      var cancelHook = onEnterCancelled;

      if (!state.isMounted) {
        if (appear) {
          hook = onAppear || onEnter;
          afterHook = onAfterAppear || onAfterEnter;
          cancelHook = onAppearCancelled || onEnterCancelled;
        } else {
          return;
        }
      }

      var called = false;

      var 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) {
      var key = String(vnode.key);

      if (el._enterCb) {
        el._enterCb(true
        /* cancelled */
        );
      }

      if (state.isUnmounting) {
        return remove();
      }

      callHook(onBeforeLeave, [el]);
      var called = false;

      var 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) {
  var keepComment = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  var ret = [];
  var keyedFragmentCount = 0;

  for (var i = 0; i < children.length; i++) {
    var 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 (var _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;
}

var isAsyncWrapper = i => !!i.type.__asyncLoader;

function defineAsyncComponent(source) {
  if (isFunction(source)) {
    source = {
      loader: source
    };
  }

  var {
    loader,
    loadingComponent,
    errorComponent,
    delay = 200,
    timeout,
    // undefined = never times out
    suspensible = true,
    onError: userOnError
  } = source;
  var pendingRequest = null;
  var resolvedComp;
  var retries = 0;

  var retry = () => {
    retries++;
    pendingRequest = null;
    return load();
  };

  var load = () => {
    var thisRequest;
    return pendingRequest || (thisRequest = pendingRequest = loader().catch(err => {
      err = err instanceof Error ? err : new Error(String(err));

      if (userOnError) {
        return new Promise((resolve, reject) => {
          var userRetry = () => resolve(retry());

          var userFail = () => reject(err);

          userOnError(err, userRetry, userFail, retries + 1);
        });
      } else {
        throw err;
      }
    }).then(comp => {
      if (thisRequest !== pendingRequest && pendingRequest) {
        return pendingRequest;
      }

      if (!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 (comp && !isObject(comp) && !isFunction(comp)) {
        throw new Error("Invalid async component load result: ".concat(comp));
      }

      resolvedComp = comp;
      return comp;
    }));
  };

  return defineComponent({
    name: 'AsyncComponentWrapper',
    __asyncLoader: load,

    get __asyncResolved() {
      return resolvedComp;
    },

    setup() {
      var instance = currentInstance; // already resolved

      if (resolvedComp) {
        return () => createInnerComp(resolvedComp, instance);
      }

      var 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;
        });
      }

      var loaded = ref(false);
      var error = ref();
      var delayed = ref(!!delay);

      if (delay) {
        setTimeout(() => {
          delayed.value = false;
        }, delay);
      }

      if (timeout != null) {
        setTimeout(() => {
          if (!loaded.value && !error.value) {
            var err = new Error("Async component timed out after ".concat(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, _ref7) {
  var {
    vnode: {
      ref,
      props,
      children
    }
  } = _ref7;
  var vnode = createVNode(comp, props, children); // ensure inner component inherits the async wrapper's ref owner

  vnode.ref = ref;
  return vnode;
}

var isKeepAlive = vnode => vnode.type.__isKeepAlive;

var 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, _ref8) {
    var {
      slots
    } = _ref8;
    var 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.

    var 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;
    }

    var cache = new Map();
    var keys = new Set();
    var current = null;
    {
      instance.__v_cache = cache;
    }
    var parentSuspense = instance.suspense;
    var {
      renderer: {
        p: patch,
        m: move,
        um: _unmount,
        o: {
          createElement
        }
      }
    } = sharedContext;
    var storageContainer = createElement('div');

    sharedContext.activate = (vnode, container, anchor, isSVG, optimized) => {
      var 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);
        }

        var vnodeHook = vnode.props && vnode.props.onVnodeMounted;

        if (vnodeHook) {
          invokeVNodeHook(vnodeHook, instance.parent, vnode);
        }
      }, parentSuspense);
      {
        // Update components tree
        devtoolsComponentAdded(instance);
      }
    };

    sharedContext.deactivate = vnode => {
      var instance = vnode.component;
      move(vnode, storageContainer, null, 1
      /* LEAVE */
      , parentSuspense);
      queuePostRenderEffect(() => {
        if (instance.da) {
          invokeArrayFns(instance.da);
        }

        var vnodeHook = vnode.props && vnode.props.onVnodeUnmounted;

        if (vnodeHook) {
          invokeVNodeHook(vnodeHook, instance.parent, vnode);
        }

        instance.isDeactivated = true;
      }, parentSuspense);
      {
        // 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) => {
        var name = getComponentName(vnode.type);

        if (name && (!filter || !filter(name))) {
          pruneCacheEntry(key);
        }
      });
    }

    function pruneCacheEntry(key) {
      var 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], _ref9 => {
      var [include, exclude] = _ref9;
      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

    var pendingCacheKey = null;

    var 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 => {
        var {
          subTree,
          suspense
        } = instance;
        var 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

          var da = vnode.component.da;
          da && queuePostRenderEffect(da, suspense);
          return;
        }

        unmount(cached);
      });
    });
    return () => {
      pendingCacheKey = null;

      if (!slots.default) {
        return null;
      }

      var children = slots.default();
      var rawVNode = children[0];

      if (children.length > 1) {
        {
          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;
      }

      var vnode = getInnerChild(rawVNode);
      var comp = vnode.type; // for async components, name check should be based in its loaded
      // inner component if available

      var name = getComponentName(isAsyncWrapper(vnode) ? vnode.type.__asyncResolved || {} : comp);
      var {
        include,
        exclude,
        max
      } = props;

      if (include && (!name || !matches(include, name)) || exclude && name && matches(exclude, name)) {
        current = vnode;
        return rawVNode;
      }

      var key = vnode.key == null ? comp : vnode.key;
      var 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

var 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) {
  var target = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 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".
  var wrappedHook = hook.__wdc || (hook.__wdc = () => {
    // only fire the hook if the target instance is NOT in a deactivated branch.
    var 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) {
    var 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.
  var injected = injectHook(type, hook, keepAliveRoot, true
  /* prepend */
  );
  onUnmounted(() => {
    remove(keepAliveRoot[type], injected);
  }, target);
}

function resetShapeFlag(vnode) {
  var 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) {
  var target = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : currentInstance;
  var prepend = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

  if (target) {
    var 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".

    var wrappedHook = hook.__weh || (hook.__weh = function () {
      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);

      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
        args[_key4] = arguments[_key4];
      }

      var res = callWithAsyncErrorHandling(hook, target, type, args);
      unsetCurrentInstance();
      resetTracking();
      return res;
    });

    if (prepend) {
      hooks.unshift(wrappedHook);
    } else {
      hooks.push(wrappedHook);
    }

    return wrappedHook;
  } else {
    // fixed by xxxxxx
    var apiName = toHandlerKey((ErrorTypeStrings[type] || type.replace(/^on/, '')).replace(/ hook$/, ''));
    warn("".concat(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."));
  }
}

var createHook = lifecycle => function (hook) {
  var target = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : currentInstance;
  return (// post-create lifecycle registrations are noops during SSR (except for serverPrefetch)
    (!isInSSRComponentSetup || lifecycle === "sp"
    /* SERVER_PREFETCH */
    ) && injectHook(lifecycle, hook, target)
  );
};

var onBeforeMount = createHook("bm"
/* BEFORE_MOUNT */
);
var onMounted = createHook("m"
/* MOUNTED */
);
var onBeforeUpdate = createHook("bu"
/* BEFORE_UPDATE */
);
var onUpdated = createHook("u"
/* UPDATED */
);
var onBeforeUnmount = createHook("bum"
/* BEFORE_UNMOUNT */
);
var onUnmounted = createHook("um"
/* UNMOUNTED */
);
var onServerPrefetch = createHook("sp"
/* SERVER_PREFETCH */
);
var onRenderTriggered = createHook("rtg"
/* RENDER_TRIGGERED */
);
var onRenderTracked = createHook("rtc"
/* RENDER_TRACKED */
);

function onErrorCaptured(hook) {
  var target = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : currentInstance;
  injectHook("ec"
  /* ERROR_CAPTURED */
  , hook, target);
}

function createDuplicateChecker() {
  var cache = Object.create(null);
  return (type, key) => {
    if (cache[key]) {
      warn("".concat(type, " property \"").concat(key, "\" is already defined in ").concat(cache[key], "."));
    } else {
      cache[key] = type;
    }
  };
}

var shouldCacheAccess = true;

function applyOptions(instance) {
  var options = resolveMergedOptions(instance);
  var publicThis = instance.proxy;
  var 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 */
    );
  }

  var {
    // 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;
  var checkDuplicateProperties = createDuplicateChecker();
  {
    var [propsOptions] = instance.propsOptions;

    if (propsOptions) {
      for (var 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 (var _key5 in methods) {
      var methodHandler = methods[_key5];

      if (isFunction(methodHandler)) {
        // In dev mode, we use the `createRenderContext` function to define
        // methods to the proxy target, and those are read-only but
        // reconfigurable, so it needs to be redefined here
        {
          Object.defineProperty(ctx, _key5, {
            value: methodHandler.bind(publicThis),
            configurable: true,
            enumerable: true,
            writable: true
          });
        }
        {
          checkDuplicateProperties("Methods"
          /* METHODS */
          , _key5);
        }
      } else {
        warn("Method \"".concat(_key5, "\" has type \"").concat(typeof methodHandler, "\" in the component definition. ") + "Did you reference the function correctly?");
      }
    }
  }

  if (dataOptions) {
    (function () {
      if (!isFunction(dataOptions)) {
        warn("The data option must be a function. " + "Plain object usage is no longer supported.");
      }

      var data = dataOptions.call(publicThis, publicThis);

      if (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)) {
        warn("data() should return an object.");
      } else {
        instance.data = reactive(data);
        {
          var _loop = function (_key6) {
            checkDuplicateProperties("Data"
            /* DATA */
            , _key6); // expose data on ctx during dev

            if (_key6[0] !== '$' && _key6[0] !== '_') {
              Object.defineProperty(ctx, _key6, {
                configurable: true,
                enumerable: true,
                get: () => data[_key6],
                set: NOOP
              });
            }
          };

          for (var _key6 in data) {
            _loop(_key6);
          }
        }
      }
    })();
  } // state initialization complete at this point - start caching access


  shouldCacheAccess = true;

  if (computedOptions) {
    var _loop2 = function (_key7) {
      var opt = computedOptions[_key7];
      var get = isFunction(opt) ? opt.bind(publicThis, publicThis) : isFunction(opt.get) ? opt.get.bind(publicThis, publicThis) : NOOP;

      if (get === NOOP) {
        warn("Computed property \"".concat(_key7, "\" has no getter."));
      }

      var set = !isFunction(opt) && isFunction(opt.set) ? opt.set.bind(publicThis) : () => {
        warn("Write operation failed: computed property \"".concat(_key7, "\" is readonly."));
      };
      var c = computed({
        get,
        set
      });
      Object.defineProperty(ctx, _key7, {
        enumerable: true,
        configurable: true,
        get: () => c.value,
        set: v => c.value = v
      });
      {
        checkDuplicateProperties("Computed"
        /* COMPUTED */
        , _key7);
      }
    };

    for (var _key7 in computedOptions) {
      _loop2(_key7);
    }
  }

  if (watchOptions) {
    for (var _key8 in watchOptions) {
      createWatcher(watchOptions[_key8], ctx, publicThis, _key8);
    }
  }

  if (provideOptions) {
    var 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) {
      var 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

  var customApplyOptions = instance.appContext.config.globalProperties.$applyOptions;

  if (customApplyOptions) {
    customApplyOptions(options, instance, publicThis);
  }
}

function resolveInjections(injectOptions, ctx) {
  var checkDuplicateProperties = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : NOOP;
  var unwrapRef = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

  if (isArray(injectOptions)) {
    injectOptions = normalizeInject(injectOptions);
  }

  var _loop3 = function (key) {
    var opt = injectOptions[key];
    var injected = void 0;

    if (isObject(opt)) {
      if ('default' in opt) {
        injected = inject(opt.from || key, opt.default, true
        /* treat default function as factory */
        );
      } else {
        injected = inject(opt.from || key);
      }
    } else {
      injected = inject(opt);
    }

    if (isRef(injected)) {
      // TODO remove the check in 3.3
      if (unwrapRef) {
        Object.defineProperty(ctx, key, {
          enumerable: true,
          configurable: true,
          get: () => injected.value,
          set: v => injected.value = v
        });
      } else {
        {
          warn("injected property \"".concat(key, "\" is a ref and will be auto-unwrapped ") + "and no longer needs `.value` in the next minor release. " + "To opt-in to the new behavior now, " + "set `app.config.unwrapInjectedRef = true` (this config is " + "temporary and will not be needed in the future.)");
        }
        ctx[key] = injected;
      }
    } else {
      ctx[key] = injected;
    }

    {
      checkDuplicateProperties("Inject"
      /* INJECT */
      , key);
    }
  };

  for (var key in injectOptions) {
    _loop3(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) {
  var getter = key.includes('.') ? createPathGetter(publicThis, key) : () => publicThis[key];

  if (isString(raw)) {
    var handler = ctx[raw];

    if (isFunction(handler)) {
      watch(getter, handler);
    } else {
      warn("Invalid watch handler specified by key \"".concat(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 {
      var _handler = isFunction(raw.handler) ? raw.handler.bind(publicThis) : ctx[raw.handler];

      if (isFunction(_handler)) {
        watch(getter, _handler, raw);
      } else {
        warn("Invalid watch handler specified by key \"".concat(raw.handler, "\""), _handler);
      }
    }
  } else {
    warn("Invalid watch option: \"".concat(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) {
  var base = instance.type;
  var {
    mixins,
    extends: extendsOptions
  } = base;
  var {
    mixins: globalMixins,
    optionsCache: cache,
    config: {
      optionMergeStrategies
    }
  } = instance.appContext;
  var cached = cache.get(base);
  var 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) {
  var asMixin = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  var {
    mixins,
    extends: extendsOptions
  } = from;

  if (extendsOptions) {
    mergeOptions(to, extendsOptions, strats, true);
  }

  if (mixins) {
    mixins.forEach(m => mergeOptions(to, m, strats, true));
  }

  for (var key in from) {
    if (asMixin && key === 'expose') {
      warn("\"expose\" option is ignored when declared in mixins or extends. " + "It should only be declared in the base component itself.");
    } else {
      var strat = internalOptionMergeStrats[key] || strats && strats[key];
      to[key] = strat ? strat(to[key], from[key]) : from[key];
    }
  }

  return to;
}

var 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)) {
    var res = {};

    for (var 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;
  var merged = extend(Object.create(null), to);

  for (var key in from) {
    merged[key] = mergeAsArray(to[key], from[key]);
  }

  return merged;
}

function initProps(instance, rawProps, isStateful) {
  var isSSR = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  var props = {};
  var attrs = {};
  def(attrs, InternalObjectKey, 1);
  instance.propsDefaults = Object.create(null);
  setFullProps(instance, rawProps, props, attrs); // ensure all declared prop keys are present

  for (var key in instance.propsOptions[0]) {
    if (!(key in props)) {
      props[key] = undefined;
    }
  } // validation


  {
    validateProps(rawProps || {}, props, instance);
  }

  if (isStateful) {
    // stateful
    instance.props = isSSR ? props : shallowReactive(props);
  } else {
    if (!instance.type.props) {
      // functional w/ optional props, props === attrs
      instance.props = attrs;
    } else {
      // functional w/ declared props
      instance.props = props;
    }
  }

  instance.attrs = attrs;
}

function updateProps(instance, rawProps, rawPrevProps, optimized) {
  var {
    props,
    attrs,
    vnode: {
      patchFlag
    }
  } = instance;
  var rawCurrentProps = toRaw(props);
  var [options] = instance.propsOptions;
  var hasAttrsChanged = false;

  if ( // always force full diff in dev
  // - #1942 if hmr is enabled with sfc component
  // - vite#872 non-sfc component used by sfc component
  !(instance.type.__hmrId || instance.parent && instance.parent.type.__hmrId) && (optimized || patchFlag > 0) && !(patchFlag & 16
  /* FULL_PROPS */
  )) {
    if (patchFlag & 8
    /* PROPS */
    ) {
      // Compiler-generated props & no keys change, just set the updated
      // the props.
      var propsToUpdate = instance.vnode.dynamicProps;

      for (var i = 0; i < propsToUpdate.length; i++) {
        var key = propsToUpdate[i]; // PROPS flag guarantees rawProps to be non-null

        var 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 {
            var 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


    var kebabKey;

    for (var _key9 in rawCurrentProps) {
      if (!rawProps || // for camelCase
      !hasOwn(rawProps, _key9) && ( // it's possible the original props was passed in as kebab-case
      // and converted to camelCase (#955)
      (kebabKey = hyphenate(_key9)) === _key9 || !hasOwn(rawProps, kebabKey))) {
        if (options) {
          if (rawPrevProps && ( // for camelCase
          rawPrevProps[_key9] !== undefined || // for kebab-case
          rawPrevProps[kebabKey] !== undefined)) {
            props[_key9] = resolvePropValue(options, rawCurrentProps, _key9, undefined, instance, true
            /* isAbsent */
            );
          }
        } else {
          delete props[_key9];
        }
      }
    } // 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 (var _key10 in attrs) {
        if (!rawProps || !hasOwn(rawProps, _key10) && !false) {
          delete attrs[_key10];
          hasAttrsChanged = true;
        }
      }
    }
  } // trigger updates for $attrs in case it's used in component slots


  if (hasAttrsChanged) {
    trigger(instance, "set"
    /* SET */
    , '$attrs');
  }

  {
    validateProps(rawProps || {}, props, instance);
  }
}

function setFullProps(instance, rawProps, props, attrs) {
  var [options, needCastKeys] = instance.propsOptions;
  var hasAttrsChanged = false;
  var rawCastValues;

  if (rawProps) {
    for (var key in rawProps) {
      // key, ref are reserved and never passed down
      if (isReservedProp(key)) {
        continue;
      }

      var value = rawProps[key]; // prop option names are camelized during normalization, so to support
      // kebab -> camel conversion here we need to camelize the key.

      var camelKey = void 0;

      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) {
    var rawCurrentProps = toRaw(props);
    var castValues = rawCastValues || EMPTY_OBJ;

    for (var i = 0; i < needCastKeys.length; i++) {
      var _key11 = needCastKeys[i];
      props[_key11] = resolvePropValue(options, rawCurrentProps, _key11, castValues[_key11], instance, !hasOwn(castValues, _key11));
    }
  }

  return hasAttrsChanged;
}

function resolvePropValue(options, props, key, value, instance, isAbsent) {
  var opt = options[key];

  if (opt != null) {
    var hasDefault = hasOwn(opt, 'default'); // default values

    if (hasDefault && value === undefined) {
      var defaultValue = opt.default;

      if (opt.type !== Function && isFunction(defaultValue)) {
        var {
          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) {
  var asMixin = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  var cache = appContext.propsCache;
  var cached = cache.get(comp);

  if (cached) {
    return cached;
  }

  var raw = comp.props;
  var normalized = {};
  var needCastKeys = []; // apply mixin/extends props

  var hasExtends = false;

  if (!isFunction(comp)) {
    var extendProps = raw => {
      hasExtends = true;
      var [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 (var i = 0; i < raw.length; i++) {
      if (!isString(raw[i])) {
        warn("props must be strings when using array syntax.", raw[i]);
      }

      var normalizedKey = camelize(raw[i]);

      if (validatePropName(normalizedKey)) {
        normalized[normalizedKey] = EMPTY_OBJ;
      }
    }
  } else if (raw) {
    if (!isObject(raw)) {
      warn("invalid props options", raw);
    }

    for (var key in raw) {
      var _normalizedKey = camelize(key);

      if (validatePropName(_normalizedKey)) {
        var opt = raw[key];
        var prop = normalized[_normalizedKey] = isArray(opt) || isFunction(opt) ? {
          type: opt
        } : opt;

        if (prop) {
          var booleanIndex = getTypeIndex(Boolean, prop.type);
          var 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);
          }
        }
      }
    }
  }

  var res = [normalized, needCastKeys];
  cache.set(comp, res);
  return res;
}

function validatePropName(key) {
  if (key[0] !== '$') {
    return true;
  } else {
    warn("Invalid prop name: \"".concat(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) {
  var 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) {
  var resolvedValues = toRaw(props);
  var options = instance.propsOptions[0];

  for (var key in options) {
    var 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) {
  var {
    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) {
    var isValid = false;
    var types = isArray(type) ? type : [type];
    var expectedTypes = []; // value is valid as long as one of the specified types match

    for (var i = 0; i < types.length && !isValid; i++) {
      var {
        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 + '".');
  }
}

var isSimpleType = /*#__PURE__*/makeMap('String,Number,Boolean,Function,Symbol,BigInt');
/**
 * dev only
 */

function assertType(value, type) {
  var valid;
  var expectedType = getType(type);

  if (isSimpleType(expectedType)) {
    var 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) {
  var message = "Invalid prop: type check failed for prop \"".concat(name, "\".") + " Expected ".concat(expectedTypes.map(capitalize).join(' | '));
  var expectedType = expectedTypes[0];
  var receivedType = toRawType(value);
  var expectedValue = styleValue(value, expectedType);
  var receivedValue = styleValue(value, receivedType); // check if we need to specify expected value

  if (expectedTypes.length === 1 && isExplicable(expectedType) && !isBoolean(expectedType, receivedType)) {
    message += " with value ".concat(expectedValue);
  }

  message += ", got ".concat(receivedType, " "); // check if we need to specify received value

  if (isExplicable(receivedType)) {
    message += "with value ".concat(receivedValue, ".");
  }

  return message;
}
/**
 * dev only
 */


function styleValue(value, type) {
  if (type === 'String') {
    return "\"".concat(value, "\"");
  } else if (type === 'Number') {
    return "".concat(Number(value));
  } else {
    return "".concat(value);
  }
}
/**
 * dev only
 */


function isExplicable(type) {
  var explicitTypes = ['string', 'number', 'boolean'];
  return explicitTypes.some(elem => type.toLowerCase() === elem);
}
/**
 * dev only
 */


function isBoolean() {
  for (var _len5 = arguments.length, args = new Array(_len5), _key12 = 0; _key12 < _len5; _key12++) {
    args[_key12] = arguments[_key12];
  }

  return args.some(elem => elem.toLowerCase() === 'boolean');
}

var isInternalKey = key => key[0] === '_' || key === '$stable';

var normalizeSlotValue = value => isArray(value) ? value.map(normalizeVNode) : [normalizeVNode(value)];

var normalizeSlot = (key, rawSlot, ctx) => {
  var normalized = withCtx(function () {
    if (currentInstance) {
      warn("Slot \"".concat(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(...arguments));
  }, ctx);
  normalized._c = false;
  return normalized;
};

var normalizeObjectSlots = (rawSlots, slots, instance) => {
  var ctx = rawSlots._ctx;

  for (var key in rawSlots) {
    if (isInternalKey(key)) continue;
    var value = rawSlots[key];

    if (isFunction(value)) {
      slots[key] = normalizeSlot(key, value, ctx);
    } else if (value != null) {
      (function () {
        {
          warn("Non-function value encountered for slot \"".concat(key, "\". ") + "Prefer function slots for better performance.");
        }
        var normalized = normalizeSlotValue(value);

        slots[key] = () => normalized;
      })();
    }
  }
};

var normalizeVNodeSlots = (instance, children) => {
  if (!isKeepAlive(instance.vnode) && !false) {
    warn("Non-function value encountered for default slot. " + "Prefer function slots for better performance.");
  }

  var normalized = normalizeSlotValue(children);

  instance.slots.default = () => normalized;
};

var initSlots = (instance, children) => {
  if (instance.vnode.shapeFlag & 32
  /* SLOTS_CHILDREN */
  ) {
    var 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);
};

var updateSlots = (instance, children, optimized) => {
  var {
    vnode,
    slots
  } = instance;
  var needDeletionCheck = true;
  var deletionComparisonTarget = EMPTY_OBJ;

  if (vnode.shapeFlag & 32
  /* SLOTS_CHILDREN */
  ) {
    var type = children._;

    if (type) {
      // compiled slots.
      if (isHmrUpdating) {
        // Parent was HMR updated so slot content may have changed.
        // force update slots and mark instance for hmr as well
        extend(slots, children);
      } else if (optimized && type === 1
      /* STABLE */
      ) {
        // compiled AND stable.
        // no need to update, and skip stale slots removal.
        needDeletionCheck = false;
      } else {
        // compiled but dynamic (v-if/v-for on slots) - update slots, but skip
        // normalization.
        extend(slots, children); // #2893
        // when rendering the optimized slots by manually written render function,
        // we need to delete the `slots._` flag if necessary to make subsequent updates reliable,
        // i.e. let the `renderSlot` create the bailed Fragment

        if (!optimized && type === 1
        /* STABLE */
        ) {
          delete slots._;
        }
      }
    } else {
      needDeletionCheck = !children.$stable;
      normalizeObjectSlots(children, slots);
    }

    deletionComparisonTarget = children;
  } else if (children) {
    // non slot object children (direct value) passed to a component
    normalizeVNodeSlots(instance, children);
    deletionComparisonTarget = {
      default: 1
    };
  } // delete stale slots


  if (needDeletionCheck) {
    for (var 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) {
  var internalInstance = currentRenderingInstance;

  if (internalInstance === null) {
    warn("withDirectives can only be used inside render functions.");
    return vnode;
  }

  var instance = internalInstance.proxy;
  var bindings = vnode.dirs || (vnode.dirs = []);

  for (var i = 0; i < directives.length; i++) {
    var [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) {
  var bindings = vnode.dirs;
  var oldBindings = prevVNode && prevVNode.dirs;

  for (var i = 0; i < bindings.length; i++) {
    var binding = bindings[i];

    if (oldBindings) {
      binding.oldValue = oldBindings[i].value;
    }

    var 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()
  };
}

var uid = 0;

function createAppAPI(render, hydrate) {
  return function createApp(rootComponent) {
    var rootProps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

    if (rootProps != null && !isObject(rootProps)) {
      warn("root props passed to app.mount() must be an object.");
      rootProps = null;
    }

    var context = createAppContext();
    var installedPlugins = new Set();
    var isMounted = false;
    var app = context.app = {
      _uid: uid++,
      _component: rootComponent,
      _props: rootProps,
      _container: null,
      _context: context,
      _instance: null,
      version,

      get config() {
        return context.config;
      },

      set config(v) {
        {
          warn("app.config cannot be replaced. Modify individual options instead.");
        }
      },

      use(plugin) {
        for (var _len6 = arguments.length, options = new Array(_len6 > 1 ? _len6 - 1 : 0), _key13 = 1; _key13 < _len6; _key13++) {
          options[_key13 - 1] = arguments[_key13];
        }

        if (installedPlugins.has(plugin)) {
          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 {
          warn("A plugin must either be a function or an object with an \"install\" " + "function.");
        }

        return app;
      },

      mixin(mixin) {
        {
          if (!context.mixins.includes(mixin)) {
            context.mixins.push(mixin);
          } else {
            warn('Mixin has already been applied to target app' + (mixin.name ? ": ".concat(mixin.name) : ''));
          }
        }
        return app;
      },

      component(name, component) {
        {
          validateComponentName(name, context.config);
        }

        if (!component) {
          return context.components[name];
        }

        if (context.components[name]) {
          warn("Component \"".concat(name, "\" has already been registered in target app."));
        }

        context.components[name] = component;
        return app;
      },

      directive(name, directive) {
        {
          validateDirectiveName(name);
        }

        if (!directive) {
          return context.directives[name];
        }

        if (context.directives[name]) {
          warn("Directive \"".concat(name, "\" has already been registered in target app."));
        }

        context.directives[name] = directive;
        return app;
      },

      mount(rootContainer, isHydrate, isSVG) {
        if (!isMounted) {
          var vnode = createVNode(rootComponent, rootProps); // store app context on the root VNode.
          // this will be set on the root instance on initial mount.

          vnode.appContext = context; // HMR root reload

          {
            context.reload = () => {
              render(cloneVNode(vnode), rootContainer, isSVG);
            };
          }

          if (isHydrate && hydrate) {
            hydrate(vnode, rootContainer);
          } else {
            render(vnode, rootContainer, isSVG);
          }

          isMounted = true;
          app._container = rootContainer;
          rootContainer.__vue_app__ = app;
          {
            app._instance = vnode.component;
            devtoolsInitApp(app, version);
          }
          return getExposeProxy(vnode.component) || vnode.component.proxy;
        } else {
          warn("App has already been mounted.\n" + "If you want to remount the same app, move your app creation logic " + "into a factory function and create fresh app instances for each " + "mount - e.g. `const createMyApp = () => createApp(App)`");
        }
      },

      unmount() {
        if (isMounted) {
          render(null, app._container);
          {
            app._instance = null;
            devtoolsUnmountApp(app);
          }
          delete app._container.__vue_app__;
        } else {
          warn("Cannot unmount an app that is not mounted.");
        }
      },

      provide(key, value) {
        if (key in context.provides) {
          warn("App already provides property with key \"".concat(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) {
  var isUnmount = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 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;
  }

  var refValue = vnode.shapeFlag & 4
  /* STATEFUL_COMPONENT */
  ? getExposeProxy(vnode.component) || vnode.component.proxy : vnode.el;
  var value = isUnmount ? null : refValue;
  var {
    i: owner,
    r: ref
  } = rawRef;

  if (!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;
  }

  var oldRef = oldRawRef && oldRawRef.r;
  var refs = owner.refs === EMPTY_OBJ ? owner.refs = {} : owner.refs;
  var 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 {
    var _isString = isString(ref);

    var _isRef = isRef(ref);

    if (_isString || _isRef) {
      var doSet = () => {
        if (rawRef.f) {
          var 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 {
          warn('Invalid template ref type:', ref, "(".concat(typeof ref, ")"));
        }
      };

      if (value) {
        doSet.id = -1;
        queuePostRenderEffect(doSet, parentSuspense);
      } else {
        doSet();
      }
    } else {
      warn('Invalid template ref type:', ref, "(".concat(typeof ref, ")"));
    }
  }
}

var hasMismatch = false;

var isSVGContainer = container => /svg/.test(container.namespaceURI) && container.tagName !== 'foreignObject';

var 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) {
  var {
    mt: mountComponent,
    p: patch,
    o: {
      patchProp,
      nextSibling,
      parentNode,
      remove,
      insert,
      createComment
    }
  } = rendererInternals;

  var hydrate = (vnode, container) => {
    if (!container.hasChildNodes()) {
      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.");
    }
  };

  var hydrateNode = function (node, vnode, parentComponent, parentSuspense, slotScopeIds) {
    var optimized = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false;
    var isFragmentStart = isComment(node) && node.data === '[';

    var onMismatch = () => handleMismatch(node, vnode, parentComponent, parentSuspense, slotScopeIds, isFragmentStart);

    var {
      type,
      ref,
      shapeFlag
    } = vnode;
    var domType = node.nodeType;
    vnode.el = node;
    var nextNode = null;

    switch (type) {
      case Text:
        if (domType !== 3
        /* TEXT */
        ) {
          nextNode = onMismatch();
        } else {
          if (node.data !== vnode.children) {
            hasMismatch = true;
            warn("Hydration text mismatch:" + "\n- Client: ".concat(JSON.stringify(node.data)) + "\n- Server: ".concat(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.

          var needToAdoptContent = !vnode.children.length;

          for (var 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;
          var 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)) {
            var 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 {
          warn('Invalid HostVNode type:', type, "(".concat(typeof type, ")"));
        }

    }

    if (ref != null) {
      setRef(ref, null, parentSuspense, vnode);
    }

    return nextNode;
  };

  var hydrateElement = (el, vnode, parentComponent, parentSuspense, slotScopeIds, optimized) => {
    optimized = optimized || !!vnode.dynamicChildren;
    var {
      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">

    var forcePatchValue = type === 'input' && dirs || type === 'option'; // skip props & children if this is hoisted static nodes
    // #5405 in dev, always hydrate children for HMR

    {
      if (dirs) {
        invokeDirectiveHook(vnode, null, parentComponent, 'created');
      } // props


      if (props) {
        if (forcePatchValue || !optimized || patchFlag & (16
        /* FULL_PROPS */
        | 32
        /* HYDRATE_EVENTS */
        )) {
          for (var 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


      var 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))) {
        var next = hydrateChildren(el.firstChild, vnode, el, parentComponent, parentSuspense, slotScopeIds, optimized);
        var _hasWarned = false;

        while (next) {
          hasMismatch = true;

          if (!_hasWarned) {
            warn("Hydration children mismatch in <".concat(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.


          var cur = next;
          next = next.nextSibling;
          remove(cur);
        }
      } else if (shapeFlag & 8
      /* TEXT_CHILDREN */
      ) {
        if (el.textContent !== vnode.children) {
          hasMismatch = true;
          warn("Hydration text content mismatch in <".concat(vnode.type, ">:\n") + "- Client: ".concat(el.textContent, "\n") + "- Server: ".concat(vnode.children));
          el.textContent = vnode.children;
        }
      }
    }
    return el.nextSibling;
  };

  var hydrateChildren = (node, parentVNode, container, parentComponent, parentSuspense, slotScopeIds, optimized) => {
    optimized = optimized || !!parentVNode.dynamicChildren;
    var children = parentVNode.children;
    var l = children.length;
    var hasWarned = false;

    for (var i = 0; i < l; i++) {
      var 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 (!hasWarned) {
          warn("Hydration children mismatch in <".concat(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;
  };

  var hydrateFragment = (node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized) => {
    var {
      slotScopeIds: fragmentSlotScopeIds
    } = vnode;

    if (fragmentSlotScopeIds) {
      slotScopeIds = slotScopeIds ? slotScopeIds.concat(fragmentSlotScopeIds) : fragmentSlotScopeIds;
    }

    var container = parentNode(node);
    var 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;
    }
  };

  var handleMismatch = (node, vnode, parentComponent, parentSuspense, slotScopeIds, isFragment) => {
    hasMismatch = true;
    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
      var end = locateClosingAsyncAnchor(node);

      while (true) {
        var _next = nextSibling(node);

        if (_next && _next !== end) {
          remove(_next);
        } else {
          break;
        }
      }
    }

    var next = nextSibling(node);
    var container = parentNode(node);
    remove(node);
    patch(null, vnode, container, next, parentComponent, parentSuspense, isSVGContainer(container), slotScopeIds);
    return next;
  };

  var locateClosingAsyncAnchor = node => {
    var 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 */


var supported;
var perf;

function startMeasure(instance, type) {
  if (instance.appContext.config.performance && isSupported()) {
    perf.mark("vue-".concat(type, "-").concat(instance.uid));
  }

  {
    devtoolsPerfStart(instance, type, supported ? perf.now() : Date.now());
  }
}

function endMeasure(instance, type) {
  if (instance.appContext.config.performance && isSupported()) {
    var startTag = "vue-".concat(type, "-").concat(instance.uid);
    var endTag = startTag + ":end";
    perf.mark(endTag);
    perf.measure("<".concat(formatComponentName(instance, instance.type), "> ").concat(type), startTag, endTag);
    perf.clearMarks(startTag);
    perf.clearMarks(endTag);
  }

  {
    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() {
  var needWarn = [];

  if (needWarn.length) {
    var multi = needWarn.length > 1;
    console.warn("Feature flag".concat(multi ? "s" : "", " ").concat(needWarn.join(', '), " ").concat(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.");
  }
}

var 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();
  }
  var target = getGlobalThis();
  target.__VUE__ = true;
  {
    setDevtoolsHook(target.__VUE_DEVTOOLS_GLOBAL_HOOK__, target);
  }
  var {
    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.

  var patch = function (n1, n2, container) {
    var anchor = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
    var parentComponent = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
    var parentSuspense = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : null;
    var isSVG = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : false;
    var slotScopeIds = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : null;
    var optimized = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : 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;
    }

    var {
      type,
      ref,
      shapeFlag
    } = n2;

    switch (type) {
      case Text:
        processText(n1, n2, container, anchor);
        break;

      case Comment:
        processCommentNode(n1, n2, container, anchor);
        break;

      case Static:
        if (n1 == null) {
          mountStaticNode(n2, container, anchor, isSVG);
        } else {
          patchStaticNode(n1, n2, container, isSVG);
        }

        break;

      case Fragment:
        processFragment(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        break;

      default:
        if (shapeFlag & 1
        /* ELEMENT */
        ) {
          processElement(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        } else if (shapeFlag & 6
        /* COMPONENT */
        ) {
          processComponent(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        } else if (shapeFlag & 64
        /* TELEPORT */
        ) {
          type.process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals);
        } else if (shapeFlag & 128
        /* SUSPENSE */
        ) {
          type.process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals);
        } else {
          warn('Invalid VNode type:', type, "(".concat(typeof type, ")"));
        }

    } // set ref


    if (ref != null && parentComponent) {
      setRef(ref, n1 && n1.ref, parentSuspense, n2 || n1, !n2);
    }
  };

  var processText = (n1, n2, container, anchor) => {
    if (n1 == null) {
      hostInsert(n2.el = hostCreateText(n2.children), container, anchor);
    } else {
      var el = n2.el = n1.el;

      if (n2.children !== n1.children) {
        hostSetText(el, n2.children);
      }
    }
  };

  var 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;
    }
  };

  var mountStaticNode = (n2, container, anchor, isSVG) => {
    [n2.el, n2.anchor] = hostInsertStaticContent(n2.children, container, anchor, isSVG, n2.el, n2.anchor);
  };
  /**
   * Dev / HMR only
   */


  var patchStaticNode = (n1, n2, container, isSVG) => {
    // static nodes are only patched during dev for HMR
    if (n2.children !== n1.children) {
      var 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;
    }
  };

  var moveStaticNode = (_ref10, container, nextSibling) => {
    var {
      el,
      anchor
    } = _ref10;
    var next;

    while (el && el !== anchor) {
      next = hostNextSibling(el);
      hostInsert(el, container, nextSibling);
      el = next;
    }

    hostInsert(anchor, container, nextSibling);
  };

  var removeStaticNode = _ref11 => {
    var {
      el,
      anchor
    } = _ref11;
    var next;

    while (el && el !== anchor) {
      next = hostNextSibling(el);
      hostRemove(el);
      el = next;
    }

    hostRemove(anchor);
  };

  var 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);
    }
  };

  var mountElement = (vnode, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    var el;
    var vnodeHook;
    var {
      type,
      props,
      shapeFlag,
      transition,
      patchFlag,
      dirs
    } = vnode;
    {
      el = vnode.el = hostCreateElement(vnode.type, isSVG, props && props.is, props); // mount children first, since some props may rely on child content
      // being already rendered, e.g. `<select value>`

      if (shapeFlag & 8
      /* TEXT_CHILDREN */
      ) {
        hostSetElementText(el, vnode.children);
      } else if (shapeFlag & 16
      /* ARRAY_CHILDREN */
      ) {
        mountChildren(vnode.children, el, null, parentComponent, parentSuspense, isSVG && type !== 'foreignObject', slotScopeIds, optimized);
      }

      if (dirs) {
        invokeDirectiveHook(vnode, null, parentComponent, 'created');
      } // props


      if (props) {
        for (var key in props) {
          if (key !== 'value' && !isReservedProp(key)) {
            hostPatchProp(el, key, null, props[key], isSVG, vnode.children, parentComponent, parentSuspense, unmountChildren);
          }
        }
        /**
         * Special case for setting value on DOM elements:
         * - it can be order-sensitive (e.g. should be set *after* min/max, #2325, #4024)
         * - it needs to be forced (#1471)
         * #2353 proposes adding another renderer option to configure this, but
         * the properties affects are so finite it is worth special casing it
         * here to reduce the complexity. (Special casing it also should not
         * affect non-DOM renderers)
         */


        if ('value' in props) {
          hostPatchProp(el, 'value', null, props.value);
        }

        if (vnodeHook = props.onVnodeBeforeMount) {
          invokeVNodeHook(vnodeHook, parentComponent, vnode);
        }
      } // scopeId


      setScopeId(el, vnode, vnode.scopeId, slotScopeIds, parentComponent);
    }
    {
      Object.defineProperty(el, '__vnode', {
        value: vnode,
        enumerable: false
      });
      Object.defineProperty(el, '__vueParentComponent', {
        value: parentComponent,
        enumerable: false
      });
    }

    if (dirs) {
      invokeDirectiveHook(vnode, null, parentComponent, 'beforeMount');
    } // #1583 For inside suspense + suspense not resolved case, enter hook should call when suspense resolved
    // #1689 For inside suspense + suspense resolved case, just call it


    var 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);
    }
  };

  var setScopeId = (el, vnode, scopeId, slotScopeIds, parentComponent) => {
    if (scopeId) {
      hostSetScopeId(el, scopeId);
    }

    if (slotScopeIds) {
      for (var i = 0; i < slotScopeIds.length; i++) {
        hostSetScopeId(el, slotScopeIds[i]);
      }
    }

    if (parentComponent) {
      var subTree = parentComponent.subTree;

      if (subTree.patchFlag > 0 && subTree.patchFlag & 2048
      /* DEV_ROOT_FRAGMENT */
      ) {
        subTree = filterSingleRoot(subTree.children) || subTree;
      }

      if (vnode === subTree) {
        var parentVNode = parentComponent.vnode;
        setScopeId(el, parentVNode, parentVNode.scopeId, parentVNode.slotScopeIds, parentComponent.parent);
      }
    }
  };

  var mountChildren = function (children, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) {
    var start = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : 0;

    for (var i = start; i < children.length; i++) {
      var child = children[i] = optimized ? cloneIfMounted(children[i]) : normalizeVNode(children[i]);
      patch(null, child, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
    }
  };

  var patchElement = (n1, n2, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    var el = n2.el = n1.el;
    var {
      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 */
    ;
    var oldProps = n1.props || EMPTY_OBJ;
    var newProps = n2.props || EMPTY_OBJ;
    var vnodeHook; // disable recurse in beforeUpdate hooks

    parentComponent && toggleRecurse(parentComponent, false);

    if (vnodeHook = newProps.onVnodeBeforeUpdate) {
      invokeVNodeHook(vnodeHook, parentComponent, n2, n1);
    }

    if (dirs) {
      invokeDirectiveHook(n2, n1, parentComponent, 'beforeUpdate');
    }

    parentComponent && toggleRecurse(parentComponent, true);

    if (isHmrUpdating) {
      // HMR updated, force full diff
      patchFlag = 0;
      optimized = false;
      dynamicChildren = null;
    }

    var areChildrenSVG = isSVG && n2.type !== 'foreignObject';

    if (dynamicChildren) {
      patchBlockChildren(n1.dynamicChildren, dynamicChildren, el, parentComponent, parentSuspense, areChildrenSVG, slotScopeIds);

      if (parentComponent && parentComponent.type.__hmrId) {
        traverseStaticChildren(n1, n2);
      }
    } else if (!optimized) {
      // full diff
      patchChildren(n1, n2, el, null, parentComponent, parentSuspense, areChildrenSVG, slotScopeIds, false);
    }

    if (patchFlag > 0) {
      // the presence of a patchFlag means this element's render code was
      // generated by the compiler and can take the fast path.
      // in this path old node and new node are guaranteed to have the same shape
      // (i.e. at the exact same position in the source template)
      if (patchFlag & 16
      /* FULL_PROPS */
      ) {
        // element props contain dynamic keys, full diff needed
        patchProps(el, n2, oldProps, newProps, parentComponent, parentSuspense, isSVG);
      } else {
        // class
        // this flag is matched when the element has dynamic class bindings.
        if (patchFlag & 2
        /* CLASS */
        ) {
          if (oldProps.class !== newProps.class) {
            hostPatchProp(el, 'class', null, newProps.class, isSVG);
          }
        } // style
        // this flag is matched when the element has dynamic style bindings


        if (patchFlag & 4
        /* STYLE */
        ) {
          hostPatchProp(el, 'style', oldProps.style, newProps.style, isSVG);
        } // props
        // This flag is matched when the element has dynamic prop/attr bindings
        // other than class and style. The keys of dynamic prop/attrs are saved for
        // faster iteration.
        // Note dynamic keys like :[foo]="bar" will cause this optimization to
        // bail out and go through a full diff because we need to unset the old key


        if (patchFlag & 8
        /* PROPS */
        ) {
          // if the flag is present then dynamicProps must be non-null
          var propsToUpdate = n2.dynamicProps;

          for (var i = 0; i < propsToUpdate.length; i++) {
            var key = propsToUpdate[i];
            var prev = oldProps[key];
            var 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.


  var patchBlockChildren = (oldChildren, newChildren, fallbackContainer, parentComponent, parentSuspense, isSVG, slotScopeIds) => {
    for (var i = 0; i < newChildren.length; i++) {
      var oldVNode = oldChildren[i];
      var newVNode = newChildren[i]; // Determine the container (parent element) for the patch.

      var 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);
    }
  };

  var patchProps = (el, vnode, oldProps, newProps, parentComponent, parentSuspense, isSVG) => {
    if (oldProps !== newProps) {
      for (var key in newProps) {
        // empty string is not valid prop
        if (isReservedProp(key)) continue;
        var next = newProps[key];
        var 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 (var _key14 in oldProps) {
          if (!isReservedProp(_key14) && !(_key14 in newProps)) {
            hostPatchProp(el, _key14, oldProps[_key14], null, isSVG, vnode.children, parentComponent, parentSuspense, unmountChildren);
          }
        }
      }

      if ('value' in newProps) {
        hostPatchProp(el, 'value', oldProps.value, newProps.value);
      }
    }
  };

  var processFragment = (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    var fragmentStartAnchor = n2.el = n1 ? n1.el : hostCreateText('');
    var fragmentEndAnchor = n2.anchor = n1 ? n1.anchor : hostCreateText('');
    var {
      patchFlag,
      dynamicChildren,
      slotScopeIds: fragmentSlotScopeIds
    } = n2;

    if (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 (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);
      }
    }
  };

  var 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);
    }
  };

  var mountComponent = (initialVNode, container, anchor, parentComponent, parentSuspense, isSVG, optimized) => {
    var instance = initialVNode.component = createComponentInstance(initialVNode, parentComponent, parentSuspense);

    if (instance.type.__hmrId) {
      registerHMR(instance);
    }

    {
      pushWarningContext(initialVNode);
      startMeasure(instance, "mount");
    } // inject renderer internals for keepAlive

    if (isKeepAlive(initialVNode)) {
      instance.ctx.renderer = internals;
    } // resolve props and slots for setup context


    {
      {
        startMeasure(instance, "init");
      }
      setupComponent(instance);
      {
        endMeasure(instance, "init");
      }
    } // setup() is async. This component relies on async logic to be resolved
    // before proceeding

    if (instance.asyncDep) {
      parentSuspense && parentSuspense.registerDep(instance, setupRenderEffect); // Give it a placeholder if this is not hydration
      // TODO handle self-defined fallback

      if (!initialVNode.el) {
        var placeholder = instance.subTree = createVNode(Comment);
        processCommentNode(null, placeholder, container, anchor);
      }

      return;
    }

    setupRenderEffect(instance, initialVNode, container, anchor, parentSuspense, isSVG, optimized);
    {
      popWarningContext();
      endMeasure(instance, "mount");
    }
  };

  var updateComponent = (n1, n2, optimized) => {
    var instance = n2.component = n1.component;

    if (shouldUpdateComponent(n1, n2, optimized)) {
      if (instance.asyncDep && !instance.asyncResolved) {
        // async & still pending - just update props and slots
        // since the component's reactive effect for render isn't set-up yet
        {
          pushWarningContext(n2);
        }
        updateComponentPreRender(instance, n2, optimized);
        {
          popWarningContext();
        }
        return;
      } else {
        // normal update
        instance.next = n2; // in case the child component is also queued, remove it to avoid
        // double updating the same child component in the same flush.

        invalidateJob(instance.update); // instance.update is the reactive effect.

        instance.update();
      }
    } else {
      // no update needed. just copy over properties
      n2.component = n1.component;
      n2.el = n1.el;
      instance.vnode = n2;
    }
  };

  var setupRenderEffect = (instance, initialVNode, container, anchor, parentSuspense, isSVG, optimized) => {
    var componentUpdateFn = () => {
      if (!instance.isMounted) {
        var vnodeHook;
        var {
          el,
          props
        } = initialVNode;
        var {
          bm,
          m,
          parent
        } = instance;
        var 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.
          var hydrateSubTree = () => {
            {
              startMeasure(instance, "render");
            }
            instance.subTree = renderComponentRoot(instance);
            {
              endMeasure(instance, "render");
            }
            {
              startMeasure(instance, "hydrate");
            }
            hydrateNode(el, instance.subTree, instance, parentSuspense, null);
            {
              endMeasure(instance, "hydrate");
            }
          };

          if (isAsyncWrapperVNode) {
            initialVNode.type.__asyncLoader().then( // note: we are moving the render call into an async callback,
            // which means it won't track dependencies - but it's ok because
            // a server-rendered async wrapper is already in resolved state
            // and it will never need to change.
            () => !instance.isUnmounted && hydrateSubTree());
          } else {
            hydrateSubTree();
          }
        } else {
          {
            startMeasure(instance, "render");
          }
          var subTree = instance.subTree = renderComponentRoot(instance);
          {
            endMeasure(instance, "render");
          }
          {
            startMeasure(instance, "patch");
          }
          patch(null, subTree, container, anchor, instance, parentSuspense, isSVG);
          {
            endMeasure(instance, "patch");
          }
          initialVNode.el = subTree.el;
        } // mounted hook


        if (m) {
          queuePostRenderEffect(m, parentSuspense);
        } // onVnodeMounted


        if (!isAsyncWrapperVNode && (vnodeHook = props && props.onVnodeMounted)) {
          var 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;
        {
          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)
        var {
          next,
          bu,
          u,
          parent: _parent,
          vnode
        } = instance;
        var originNext = next;

        var _vnodeHook;

        {
          pushWarningContext(next || instance.vnode);
        } // Disallow component effect recursion during pre-lifecycle hooks.

        toggleRecurse(instance, false);

        if (next) {
          next.el = vnode.el;
          updateComponentPreRender(instance, next, optimized);
        } else {
          next = vnode;
        } // beforeUpdate hook


        if (bu) {
          invokeArrayFns(bu);
        } // onVnodeBeforeUpdate


        if (_vnodeHook = next.props && next.props.onVnodeBeforeUpdate) {
          invokeVNodeHook(_vnodeHook, _parent, next, vnode);
        }

        toggleRecurse(instance, true); // render

        {
          startMeasure(instance, "render");
        }
        var nextTree = renderComponentRoot(instance);
        {
          endMeasure(instance, "render");
        }
        var prevTree = instance.subTree;
        instance.subTree = nextTree;
        {
          startMeasure(instance, "patch");
        }
        patch(prevTree, nextTree, // parent may have changed if it's in a teleport
        hostParentNode(prevTree.el), // anchor may have changed if it's in a fragment
        getNextHostNode(prevTree), instance, parentSuspense, isSVG);
        {
          endMeasure(instance, "patch");
        }
        next.el = nextTree.el;

        if (originNext === null) {
          // self-triggered update. In case of HOC, update parent component
          // vnode el. HOC is indicated by parent instance's subTree pointing
          // to child component's vnode
          updateHOCHostEl(instance, nextTree.el);
        } // updated hook


        if (u) {
          queuePostRenderEffect(u, parentSuspense);
        } // onVnodeUpdated


        if (_vnodeHook = next.props && next.props.onVnodeUpdated) {
          queuePostRenderEffect(() => invokeVNodeHook(_vnodeHook, _parent, next, vnode), parentSuspense);
        }

        {
          devtoolsComponentUpdated(instance);
        }
        {
          popWarningContext();
        }
      }
    }; // create reactive effect for rendering


    var effect = instance.effect = new ReactiveEffect(componentUpdateFn, () => queueJob(instance.update), instance.scope // track it in component's effect scope
    );
    var update = instance.update = effect.run.bind(effect);
    update.id = instance.uid; // allowRecurse
    // #1801, #2043 component render effects should allow recursive updates

    toggleRecurse(instance, true);
    {
      effect.onTrack = instance.rtc ? e => invokeArrayFns(instance.rtc, e) : void 0;
      effect.onTrigger = instance.rtg ? e => invokeArrayFns(instance.rtg, e) : void 0; // @ts-ignore (for scheduler)

      update.ownerInstance = instance;
    }
    update();
  };

  var updateComponentPreRender = (instance, nextVNode, optimized) => {
    nextVNode.component = instance;
    var 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();
  };

  var patchChildren = function (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds) {
    var optimized = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : false;
    var c1 = n1 && n1.children;
    var prevShapeFlag = n1 ? n1.shapeFlag : 0;
    var c2 = n2.children;
    var {
      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);
        }
      }
    }
  };

  var patchUnkeyedChildren = (c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    c1 = c1 || EMPTY_ARR;
    c2 = c2 || EMPTY_ARR;
    var oldLength = c1.length;
    var newLength = c2.length;
    var commonLength = Math.min(oldLength, newLength);
    var i;

    for (i = 0; i < commonLength; i++) {
      var 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


  var patchKeyedChildren = (c1, c2, container, parentAnchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    var i = 0;
    var l2 = c2.length;
    var e1 = c1.length - 1; // prev ending index

    var e2 = l2 - 1; // next ending index
    // 1. sync from start
    // (a b) c
    // (a b) d e

    while (i <= e1 && i <= e2) {
      var n1 = c1[i];
      var 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) {
      var _n = c1[e1];

      var _n2 = c2[e2] = optimized ? cloneIfMounted(c2[e2]) : normalizeVNode(c2[e2]);

      if (isSameVNodeType(_n, _n2)) {
        patch(_n, _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) {
        var nextPos = e2 + 1;
        var 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 {
      var s1 = i; // prev starting index

      var s2 = i; // next starting index
      // 5.1 build key:index map for newChildren

      var keyToNewIndexMap = new Map();

      for (i = s2; i <= e2; i++) {
        var nextChild = c2[i] = optimized ? cloneIfMounted(c2[i]) : normalizeVNode(c2[i]);

        if (nextChild.key != null) {
          if (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


      var j;
      var patched = 0;
      var toBePatched = e2 - s2 + 1;
      var moved = false; // used to track whether any node has moved

      var 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

      var newIndexToOldIndexMap = new Array(toBePatched);

      for (i = 0; i < toBePatched; i++) {
        newIndexToOldIndexMap[i] = 0;
      }

      for (i = s1; i <= e1; i++) {
        var 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;
        }

        var newIndex = void 0;

        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


      var 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--) {
        var nextIndex = s2 + i;
        var _nextChild = c2[nextIndex];

        var _anchor2 = nextIndex + 1 < l2 ? c2[nextIndex + 1].el : parentAnchor;

        if (newIndexToOldIndexMap[i] === 0) {
          // mount new
          patch(null, _nextChild, container, _anchor2, 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, _anchor2, 2
            /* REORDER */
            );
          } else {
            j--;
          }
        }
      }
    }
  };

  var move = function (vnode, container, anchor, moveType) {
    var parentSuspense = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
    var {
      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 (var 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


    var 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 {
        var {
          leave,
          delayLeave,
          afterLeave
        } = transition;

        var _remove = () => hostInsert(el, container, anchor);

        var performLeave = () => {
          leave(el, () => {
            _remove();

            afterLeave && afterLeave();
          });
        };

        if (delayLeave) {
          delayLeave(el, _remove, performLeave);
        } else {
          performLeave();
        }
      }
    } else {
      hostInsert(el, container, anchor);
    }
  };

  var unmount = function (vnode, parentComponent, parentSuspense) {
    var doRemove = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
    var optimized = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
    var {
      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;
    }

    var shouldInvokeDirs = shapeFlag & 1
    /* ELEMENT */
    && dirs;
    var shouldInvokeVnodeHook = !isAsyncWrapper(vnode);
    var 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);
    }
  };

  var remove = vnode => {
    var {
      type,
      el,
      anchor,
      transition
    } = vnode;

    if (type === Fragment) {
      removeFragment(el, anchor);
      return;
    }

    if (type === Static) {
      removeStaticNode(vnode);
      return;
    }

    var performRemove = () => {
      hostRemove(el);

      if (transition && !transition.persisted && transition.afterLeave) {
        transition.afterLeave();
      }
    };

    if (vnode.shapeFlag & 1
    /* ELEMENT */
    && transition && !transition.persisted) {
      var {
        leave,
        delayLeave
      } = transition;

      var performLeave = () => leave(el, performRemove);

      if (delayLeave) {
        delayLeave(vnode.el, performRemove, performLeave);
      } else {
        performLeave();
      }
    } else {
      performRemove();
    }
  };

  var removeFragment = (cur, end) => {
    // For fragments, directly remove all contained DOM nodes.
    // (fragment child nodes cannot have transition)
    var next;

    while (cur !== end) {
      next = hostNextSibling(cur);
      hostRemove(cur);
      cur = next;
    }

    hostRemove(end);
  };

  var unmountComponent = (instance, parentSuspense, doRemove) => {
    if (instance.type.__hmrId) {
      unregisterHMR(instance);
    }

    var {
      bum,
      scope,
      update,
      subTree,
      um
    } = instance; // beforeUnmount hook

    if (bum) {
      invokeArrayFns(bum);
    } // stop effects in component scope


    scope.stop(); // update may be null if a component is unmounted before its async
    // setup has resolved.

    if (update) {
      // so that scheduler will no longer invoke it
      update.active = false;
      unmount(subTree, instance, parentSuspense, doRemove);
    } // unmounted hook


    if (um) {
      queuePostRenderEffect(um, parentSuspense);
    }

    queuePostRenderEffect(() => {
      instance.isUnmounted = true;
    }, parentSuspense); // A component with async dep inside a pending suspense is unmounted before
    // its async dep resolves. This should remove the dep from the suspense, and
    // cause the suspense to resolve immediately if that was the last dep.

    if (parentSuspense && parentSuspense.pendingBranch && !parentSuspense.isUnmounted && instance.asyncDep && !instance.asyncResolved && instance.suspenseId === parentSuspense.pendingId) {
      parentSuspense.deps--;

      if (parentSuspense.deps === 0) {
        parentSuspense.resolve();
      }
    }

    {
      devtoolsComponentRemoved(instance);
    }
  };

  var unmountChildren = function (children, parentComponent, parentSuspense) {
    var doRemove = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
    var optimized = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
    var start = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;

    for (var i = start; i < children.length; i++) {
      unmount(children[i], parentComponent, parentSuspense, doRemove, optimized);
    }
  };

  var 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);
  };

  var 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;
  };

  var internals = {
    p: patch,
    um: unmount,
    m: move,
    r: remove,
    mt: mountComponent,
    mc: mountChildren,
    pc: patchChildren,
    pbc: patchBlockChildren,
    n: getNextHostNode,
    o: options
  };
  var hydrate;
  var hydrateNode;

  if (createHydrationFns) {
    [hydrate, hydrateNode] = createHydrationFns(internals);
  }

  return {
    render,
    hydrate,
    createApp: createAppAPI(render, hydrate)
  };
}

function toggleRecurse(_ref12, allowed) {
  var {
    effect,
    update
  } = _ref12;
  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) {
  var shallow = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  var ch1 = n1.children;
  var ch2 = n2.children;

  if (isArray(ch1) && isArray(ch2)) {
    for (var i = 0; i < ch1.length; i++) {
      // this is only called in the optimized path so array children are
      // guaranteed to be vnodes
      var c1 = ch1[i];
      var c2 = ch2[i];

      if (c2.shapeFlag & 1
      /* ELEMENT */
      && !c2.dynamicChildren) {
        if (c2.patchFlag <= 0 || c2.patchFlag === 32
        /* HYDRATE_EVENTS */
        ) {
          c2 = ch2[i] = cloneIfMounted(ch2[i]);
          c2.el = c1.el;
        }

        if (!shallow) traverseStaticChildren(c1, c2);
      } // also inherit for comment nodes, but not placeholders (e.g. v-if which
      // would have received .el during block patch)


      if (c2.type === Comment && !c2.el) {
        c2.el = c1.el;
      }
    }
  }
} // https://en.wikipedia.org/wiki/Longest_increasing_subsequence


function getSequence(arr) {
  var p = arr.slice();
  var result = [0];
  var i, j, u, v, c;
  var len = arr.length;

  for (i = 0; i < len; i++) {
    var 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;
}

var isTeleport = type => type.__isTeleport;

var isTeleportDisabled = props => props && (props.disabled || props.disabled === '');

var isTargetSVG = target => typeof SVGElement !== 'undefined' && target instanceof SVGElement;

var resolveTarget = (props, select) => {
  var targetSelector = props && props.to;

  if (isString(targetSelector)) {
    if (!select) {
      warn("Current renderer does not support string target for Teleports. " + "(missing querySelector renderer option)");
      return null;
    } else {
      var target = select(targetSelector);

      if (!target) {
        warn("Failed to locate Teleport target with selector \"".concat(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 (!targetSelector && !isTeleportDisabled(props)) {
      warn("Invalid Teleport target: ".concat(targetSelector));
    }

    return targetSelector;
  }
};

var TeleportImpl = {
  __isTeleport: true,

  process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals) {
    var {
      mc: mountChildren,
      pc: patchChildren,
      pbc: patchBlockChildren,
      o: {
        insert,
        querySelector,
        createText,
        createComment
      }
    } = internals;
    var disabled = isTeleportDisabled(n2.props);
    var {
      shapeFlag,
      children,
      dynamicChildren
    } = n2; // #3302
    // HMR updated, force full diff

    if (isHmrUpdating) {
      optimized = false;
      dynamicChildren = null;
    }

    if (n1 == null) {
      // insert anchors in the main view
      var placeholder = n2.el = createComment('teleport start');
      var mainAnchor = n2.anchor = createComment('teleport end');
      insert(placeholder, container, anchor);
      insert(mainAnchor, container, anchor);
      var target = n2.target = resolveTarget(n2.props, querySelector);
      var 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 (!disabled) {
        warn('Invalid Teleport target on mount:', target, "(".concat(typeof target, ")"));
      }

      var 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;

      var _mainAnchor = n2.anchor = n1.anchor;

      var _target = n2.target = n1.target;

      var _targetAnchor = n2.targetAnchor = n1.targetAnchor;

      var wasDisabled = isTeleportDisabled(n1.props);
      var currentContainer = wasDisabled ? container : _target;
      var 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)) {
          var nextTarget = n2.target = resolveTarget(n2.props, querySelector);

          if (nextTarget) {
            moveTeleport(n2, nextTarget, null, internals, 0
            /* TARGET_CHANGE */
            );
          } else {
            warn('Invalid Teleport target on update:', _target, "(".concat(typeof _target, ")"));
          }
        } else if (wasDisabled) {
          // disabled -> enabled
          // move into teleport target
          moveTeleport(n2, _target, _targetAnchor, internals, 1
          /* TOGGLE */
          );
        }
      }
    }
  },

  remove(vnode, parentComponent, parentSuspense, optimized, _ref13, doRemove) {
    var {
      um: unmount,
      o: {
        remove: hostRemove
      }
    } = _ref13;
    var {
      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 (var i = 0; i < children.length; i++) {
          var child = children[i];
          unmount(child, parentComponent, parentSuspense, true, !!child.dynamicChildren);
        }
      }
    }
  },

  move: moveTeleport,
  hydrate: hydrateTeleport
};

function moveTeleport(vnode, container, parentAnchor, _ref14) {
  var {
    o: {
      insert
    },
    m: move
  } = _ref14;
  var moveType = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 2;

  // move target anchor if this is a target change.
  if (moveType === 0
  /* TARGET_CHANGE */
  ) {
    insert(vnode.targetAnchor, container, parentAnchor);
  }

  var {
    el,
    anchor,
    shapeFlag,
    children,
    props
  } = vnode;
  var 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 (var 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, _ref15, hydrateChildren) {
  var {
    o: {
      nextSibling,
      parentNode,
      querySelector
    }
  } = _ref15;
  var 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
    var 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


var Teleport = TeleportImpl;
var COMPONENTS = 'components';
var DIRECTIVES = 'directives';
/**
 * @private
 */

function resolveComponent(name, maybeSelfReference) {
  return resolveAsset(COMPONENTS, name, true, maybeSelfReference) || name;
}

var 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) {
  var warnMissing = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
  var maybeSelfReference = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  var instance = currentRenderingInstance || currentInstance;

  if (instance) {
    var Component = instance.type; // explicit self name has highest priority

    if (type === COMPONENTS) {
      var selfName = getComponentName(Component);

      if (selfName && (selfName === name || selfName === camelize(name) || selfName === capitalize(camelize(name)))) {
        return Component;
      }
    }

    var 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 (warnMissing && !res) {
      var 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 ".concat(type.slice(0, -1), ": ").concat(name).concat(extra));
    }

    return res;
  } else {
    warn("resolve".concat(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))]);
}

var Fragment = Symbol('Fragment');
var Text = Symbol('Text');
var Comment = Symbol('Comment');
var Static = Symbol('Static'); // Since v-if and v-for are the two possible ways node structure can dynamically
// change, once we consider v-if branches and each v-for fragment a block, we
// can divide a template into nested blocks, and within each block the node
// structure would be stable. This allows us to skip most children diffing
// and only worry about the dynamic nodes (indicated by patch flags).

var blockStack = [];
var 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() {
  var disableTracking = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 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)


var 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 (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;
}

var 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;
}

var createVNodeWithArgsTransform = function () {
  for (var _len7 = arguments.length, args = new Array(_len7), _key15 = 0; _key15 < _len7; _key15++) {
    args[_key15] = arguments[_key15];
  }

  return _createVNode(...(vnodeArgsTransformer ? vnodeArgsTransformer(args, currentRenderingInstance) : args));
};

var InternalObjectKey = "__vInternal";

var normalizeKey = _ref16 => {
  var {
    key
  } = _ref16;
  return key != null ? key : null;
};

var normalizeRef = _ref17 => {
  var {
    ref,
    ref_key,
    ref_for
  } = _ref17;
  return ref != null ? isString(ref) || isRef(ref) || isFunction(ref) ? {
    i: currentRenderingInstance,
    r: ref,
    k: ref_key,
    f: !!ref_for
  } : ref : null;
};

function createBaseVNode(type) {
  var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
  var children = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
  var patchFlag = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
  var dynamicProps = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
  var shapeFlag = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : type === Fragment ? 0 : 1;
  var isBlockNode = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : false;
  var needFullChildrenNormalization = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : false;
  var vnode = {
    __v_isVNode: true,
    __v_skip: true,
    type,
    props,
    key: props && normalizeKey(props),
    ref: props && normalizeRef(props),
    scopeId: currentScopeId,
    slotScopeIds: null,
    children,
    component: null,
    suspense: null,
    ssContent: null,
    ssFallback: null,
    dirs: null,
    transition: null,
    el: null,
    anchor: null,
    target: null,
    targetAnchor: null,
    staticCount: 0,
    shapeFlag,
    patchFlag,
    dynamicProps,
    dynamicChildren: null,
    appContext: null
  };

  if (needFullChildrenNormalization) {
    normalizeChildren(vnode, children); // normalize suspense children

    if (shapeFlag & 128
    /* SUSPENSE */
    ) {
      type.normalize(vnode);
    }
  } else if (children) {
    // compiled element vnode - if children is passed, only possible types are
    // string or Array.
    vnode.shapeFlag |= isString(children) ? 8
    /* TEXT_CHILDREN */
    : 16
    /* ARRAY_CHILDREN */
    ;
  } // validate key


  if (vnode.key !== vnode.key) {
    warn("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;
}

var createVNode = createVNodeWithArgsTransform;

function _createVNode(type) {
  var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
  var children = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
  var patchFlag = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
  var dynamicProps = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
  var isBlockNode = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false;

  if (!type || type === NULL_DYNAMIC_COMPONENT) {
    if (!type) {
      warn("Invalid vnode type when creating vnode: ".concat(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
    var 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);
    var {
      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


  var shapeFlag = isString(type) ? 1
  /* ELEMENT */
  : isSuspense(type) ? 128
  /* SUSPENSE */
  : isTeleport(type) ? 64
  /* TELEPORT */
  : isObject(type) ? 4
  /* STATEFUL_COMPONENT */
  : isFunction(type) ? 2
  /* FUNCTIONAL_COMPONENT */
  : 0;

  if (shapeFlag & 4
  /* STATEFUL_COMPONENT */
  && isProxy(type)) {
    type = toRaw(type);
    warn("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) {
  var mergeRef = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  // This is intentionally NOT using spread or extend to avoid the runtime
  // key enumeration cost.
  var {
    props,
    ref,
    patchFlag,
    children
  } = vnode;
  var mergedProps = extraProps ? mergeProps(props || {}, extraProps) : props;
  var cloned = {
    __v_isVNode: true,
    __v_skip: true,
    type: vnode.type,
    props: mergedProps,
    key: mergedProps && normalizeKey(mergedProps),
    ref: extraProps && extraProps.ref ? // #2078 in the case of <component :is="vnode" ref="extra"/>
    // if the vnode itself already has a ref, cloneVNode will need to merge
    // the refs so the single vnode can be set on multiple refs
    mergeRef && ref ? isArray(ref) ? ref.concat(normalizeRef(extraProps)) : [ref, normalizeRef(extraProps)] : normalizeRef(extraProps) : ref,
    scopeId: vnode.scopeId,
    slotScopeIds: vnode.slotScopeIds,
    children: patchFlag === -1
    /* HOISTED */
    && isArray(children) ? children.map(deepCloneVNode) : children,
    target: vnode.target,
    targetAnchor: vnode.targetAnchor,
    staticCount: vnode.staticCount,
    shapeFlag: vnode.shapeFlag,
    // if the vnode is cloned with extra props, we can no longer assume its
    // existing patch flag to be reliable and need to add the FULL_PROPS flag.
    // note: preserve flag for fragments since they use the flag for children
    // fast paths only.
    patchFlag: extraProps && vnode.type !== Fragment ? patchFlag === -1 // hoisted node
    ? 16
    /* FULL_PROPS */
    : patchFlag | 16
    /* FULL_PROPS */
    : patchFlag,
    dynamicProps: vnode.dynamicProps,
    dynamicChildren: vnode.dynamicChildren,
    appContext: vnode.appContext,
    dirs: vnode.dirs,
    transition: vnode.transition,
    // These should technically only be non-null on mounted VNodes. However,
    // they *should* be copied for kept-alive vnodes. So we just always copy
    // them since them being non-null during a mount doesn't affect the logic as
    // they will simply be overwritten.
    component: vnode.component,
    suspense: vnode.suspense,
    ssContent: vnode.ssContent && cloneVNode(vnode.ssContent),
    ssFallback: vnode.ssFallback && cloneVNode(vnode.ssFallback),
    el: vnode.el,
    anchor: vnode.anchor
  };
  return cloned;
}
/**
 * Dev only, for HMR of hoisted vnodes reused in v-for
 * https://github.com/vitejs/vite/issues/2022
 */


function deepCloneVNode(vnode) {
  var cloned = cloneVNode(vnode);

  if (isArray(vnode.children)) {
    cloned.children = vnode.children.map(deepCloneVNode);
  }

  return cloned;
}
/**
 * @private
 */


function createTextVNode() {
  var text = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ' ';
  var flag = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 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.
  var vnode = createVNode(Static, null, content);
  vnode.staticCount = numberOfNodes;
  return vnode;
}
/**
 * @private
 */


function createCommentVNode() {
  var text = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
  var asBlock = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 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) {
  var type = 0;
  var {
    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
      var 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 */
      ;
      var 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() {
  var ret = {};

  for (var i = 0; i < arguments.length; i++) {
    var toMerge = i < 0 || arguments.length <= i ? undefined : arguments[i];

    for (var 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)) {
        var existing = ret[key];
        var 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) {
  var prevVNode = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
  callWithAsyncErrorHandling(hook, instance, 7
  /* VNODE_HOOK */
  , [vnode, prevVNode]);
}
/**
 * Actual implementation
 */


function renderList(source, renderItem, cache, index) {
  var ret;
  var cached = cache && cache[index];

  if (isArray(source) || isString(source)) {
    ret = new Array(source.length);

    for (var i = 0, l = source.length; i < l; i++) {
      ret[i] = renderItem(source[i], i, undefined, cached && cached[i]);
    }
  } else if (typeof source === 'number') {
    if (!Number.isInteger(source)) {
      warn("The v-for range expect an integer value but got ".concat(source, "."));
      return [];
    }

    ret = new Array(source);

    for (var _i2 = 0; _i2 < source; _i2++) {
      ret[_i2] = renderItem(_i2 + 1, _i2, undefined, cached && cached[_i2]);
    }
  } else if (isObject(source)) {
    if (source[Symbol.iterator]) {
      ret = Array.from(source, (item, i) => renderItem(item, i, undefined, cached && cached[i]));
    } else {
      var keys = Object.keys(source);
      ret = new Array(keys.length);

      for (var _i3 = 0, _l = keys.length; _i3 < _l; _i3++) {
        var key = keys[_i3];
        ret[_i3] = renderItem(source[key], key, _i3, cached && cached[_i3]);
      }
    }
  } else {
    ret = [];
  }

  if (cache) {
    cache[index] = ret;
  }

  return ret;
}
/**
 * Compiler runtime helper for creating dynamic slots object
 * @private
 */


function createSlots(slots, dynamicSlots) {
  for (var i = 0; i < dynamicSlots.length; i++) {
    var slot = dynamicSlots[i]; // array of dynamic slot generated by <template v-for="..." #[...]>

    if (isArray(slot)) {
      for (var 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) {
  var props = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  var // 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 = arguments.length > 3 ? arguments[3] : undefined;
  var noSlotted = arguments.length > 4 ? arguments[4] : undefined;

  if (currentRenderingInstance.isCE) {
    return createVNode('slot', name === 'default' ? null : {
      name
    }, fallback && fallback());
  }

  var slot = slots[name];

  if (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();
  var validSlotContent = slot && ensureValidVNode(slot(props));
  var rendered = createBlock(Fragment, {
    key: props.key || "_".concat(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) {
  var ret = {};

  if (!isObject(obj)) {
    warn("v-on with no argument expects an object value.");
    return ret;
  }

  for (var 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.
 */


var getPublicInstance = i => {
  if (!i) return null;
  if (isStatefulComponent(i)) return getExposeProxy(i) || i.proxy;
  return getPublicInstance(i.parent);
};

var publicPropertiesMap = extend(Object.create(null), {
  $: i => i,
  $el: i => i.vnode.el,
  $data: i => i.data,
  $props: i => shallowReadonly(i.props),
  $attrs: i => shallowReadonly(i.attrs),
  $slots: i => shallowReadonly(i.slots),
  $refs: i => shallowReadonly(i.refs),
  $parent: i => getPublicInstance(i.parent),
  $root: i => getPublicInstance(i.root),
  $emit: i => i.emit,
  $options: i => resolveMergedOptions(i),
  $forceUpdate: i => () => queueJob(i.update),
  $nextTick: i => nextTick.bind(i.proxy),
  $watch: i => instanceWatch.bind(i)
});
var PublicInstanceProxyHandlers = {
  get(_ref18, key) {
    var {
      _: instance
    } = _ref18;
    var {
      ctx,
      setupState,
      data,
      props,
      accessCache,
      type,
      appContext
    } = instance; // for internal formatters to know that this is a Vue instance

    if (key === '__isVue') {
      return true;
    } // prioritize <script setup> bindings during dev.
    // this allows even properties that start with _ or $ to be used - so that
    // it aligns with the production behavior where the render fn is inlined and
    // indeed has access to all declared variables.


    if (setupState !== EMPTY_OBJ && setupState.__isScriptSetup && hasOwn(setupState, key)) {
      return setupState[key];
    } // data / props / ctx
    // This getter gets called for every property access on the render context
    // during render and is a major hotspot. The most expensive part of this
    // is the multiple hasOwn() calls. It's much faster to do a simple property
    // access on a plain object, so we use an accessCache object (with null
    // prototype) to memoize what access type a key corresponds to.


    var normalizedProps;

    if (key[0] !== '$') {
      var n = accessCache[key];

      if (n !== undefined) {
        switch (n) {
          case 1
          /* SETUP */
          :
            return setupState[key];

          case 2
          /* DATA */
          :
            return data[key];

          case 4
          /* CONTEXT */
          :
            return ctx[key];

          case 3
          /* PROPS */
          :
            return props[key];
          // default: just fallthrough
        }
      } else if (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) {
        accessCache[key] = 1
        /* SETUP */
        ;
        return setupState[key];
      } else if (data !== EMPTY_OBJ && hasOwn(data, key)) {
        accessCache[key] = 2
        /* DATA */
        ;
        return data[key];
      } else if ( // only cache other properties when instance has declared (thus stable)
      // props
      (normalizedProps = instance.propsOptions[0]) && hasOwn(normalizedProps, key)) {
        accessCache[key] = 3
        /* PROPS */
        ;
        return props[key];
      } else if (ctx !== EMPTY_OBJ && hasOwn(ctx, key)) {
        accessCache[key] = 4
        /* CONTEXT */
        ;
        return ctx[key];
      } else if (shouldCacheAccess) {
        accessCache[key] = 0
        /* OTHER */
        ;
      }
    }

    var publicGetter = publicPropertiesMap[key];
    var cssModule, globalProperties; // public $xxx properties

    if (publicGetter) {
      if (key === '$attrs') {
        track(instance, "get"
        /* GET */
        , key);
        markAttrsAccessed();
      }

      return publicGetter(instance);
    } else if ( // css module (injected by vue-loader)
    (cssModule = type.__cssModules) && (cssModule = cssModule[key])) {
      return cssModule;
    } else if (ctx !== EMPTY_OBJ && hasOwn(ctx, key)) {
      // user may set custom properties to `this` that start with `$`
      accessCache[key] = 4
      /* CONTEXT */
      ;
      return ctx[key];
    } else if ( // global properties
    globalProperties = appContext.config.globalProperties, hasOwn(globalProperties, key)) {
      {
        return globalProperties[key];
      }
    } else if (currentRenderingInstance && (!isString(key) || // #1091 avoid internal isRef/isVNode checks on component instance leading
    // to infinite warning loop
    key.indexOf('__v') !== 0)) {
      if (data !== EMPTY_OBJ && (key[0] === '$' || key[0] === '_') && hasOwn(data, key)) {
        warn("Property ".concat(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 ".concat(JSON.stringify(key), " was accessed during render ") + "but is not defined on instance.");
      }
    }
  },

  set(_ref19, key, value) {
    var {
      _: instance
    } = _ref19;
    var {
      data,
      setupState,
      ctx
    } = instance;

    if (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) {
      setupState[key] = value;
      return true;
    } else if (data !== EMPTY_OBJ && hasOwn(data, key)) {
      data[key] = value;
      return true;
    } else if (hasOwn(instance.props, key)) {
      warn("Attempting to mutate prop \"".concat(key, "\". Props are readonly."), instance);
      return false;
    }

    if (key[0] === '$' && key.slice(1) in instance) {
      warn("Attempting to mutate public property \"".concat(key, "\". ") + "Properties starting with $ are reserved and readonly.", instance);
      return false;
    } else {
      if (key in instance.appContext.config.globalProperties) {
        Object.defineProperty(ctx, key, {
          enumerable: true,
          configurable: true,
          value
        });
      } else {
        ctx[key] = value;
      }
    }

    return true;
  },

  has(_ref20, key) {
    var {
      _: {
        data,
        setupState,
        accessCache,
        ctx,
        appContext,
        propsOptions
      }
    } = _ref20;
    var 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) {
      this.set(target, key, descriptor.get(), null);
    } else if (descriptor.value != null) {
      this.set(target, key, descriptor.value, null);
    }

    return Reflect.defineProperty(target, key, descriptor);
  }

};
{
  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);
  };
}
var 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) {
    var has = key[0] !== '_' && !isGloballyWhitelisted(key);

    if (!has && PublicInstanceProxyHandlers.has(_, key)) {
      warn("Property ".concat(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) {
  var 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) {
  var {
    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) {
  var {
    ctx,
    setupState
  } = instance;
  Object.keys(toRaw(setupState)).forEach(key => {
    if (!setupState.__isScriptSetup) {
      if (key[0] === '$' || key[0] === '_') {
        warn("setup() return property ".concat(JSON.stringify(key), " should not start with \"$\" or \"_\" ") + "which are reserved prefixes for Vue internals.");
        return;
      }

      Object.defineProperty(ctx, key, {
        enumerable: true,
        configurable: true,
        get: () => setupState[key],
        set: NOOP
      });
    }
  });
}

var emptyAppContext = createAppContext();
var uid$1 = 0;

function createComponentInstance(vnode, parent, suspense) {
  var type = vnode.type; // inherit parent app context - or - if root, adopt from root vnode

  var appContext = (parent ? parent.appContext : vnode.appContext) || emptyAppContext;
  var 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
  };
  {
    instance.ctx = createDevRenderContext(instance);
  }
  instance.root = parent ? parent.root : instance;
  instance.emit = emit$1.bind(null, instance); // apply custom element special handling

  if (vnode.ce) {
    vnode.ce(instance);
  }

  return instance;
}

var currentInstance = null;

var getCurrentInstance = () => currentInstance || currentRenderingInstance;

var setCurrentInstance = instance => {
  currentInstance = instance;
  instance.scope.on();
};

var unsetCurrentInstance = () => {
  currentInstance && currentInstance.scope.off();
  currentInstance = null;
};

var isBuiltInTag = /*#__PURE__*/makeMap('slot,component');

function validateComponentName(name, config) {
  var 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 */
  ;
}

var isInSSRComponentSetup = false;

function setupComponent(instance) {
  var isSSR = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  isInSSRComponentSetup = isSSR;
  var {
    props,
    children
  } = instance.vnode;
  var isStateful = isStatefulComponent(instance);
  initProps(instance, props, isStateful, isSSR);
  initSlots(instance, children);
  var setupResult = isStateful ? setupStatefulComponent(instance, isSSR) : undefined;
  isInSSRComponentSetup = false;
  return setupResult;
}

function setupStatefulComponent(instance, isSSR) {
  var Component = instance.type;
  {
    if (Component.name) {
      validateComponentName(Component.name, instance.appContext.config);
    }

    if (Component.components) {
      var names = Object.keys(Component.components);

      for (var i = 0; i < names.length; i++) {
        validateComponentName(names[i], instance.appContext.config);
      }
    }

    if (Component.directives) {
      var _names = Object.keys(Component.directives);

      for (var _i4 = 0; _i4 < _names.length; _i4++) {
        validateDirectiveName(_names[_i4]);
      }
    }

    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));
  {
    exposePropsOnRenderContext(instance);
  } // 2. call setup()

  var {
    setup
  } = Component;

  if (setup) {
    var setupContext = instance.setupContext = setup.length > 1 ? createSetupContext(instance) : null;
    setCurrentInstance(instance);
    pauseTracking();
    var setupResult = callWithErrorHandling(setup, instance, 0
    /* SETUP_FUNCTION */
    , [shallowReadonly(instance.props), setupContext]);
    resetTracking();
    unsetCurrentInstance();

    if (isPromise(setupResult)) {
      setupResult.then(unsetCurrentInstance, unsetCurrentInstance);

      if (isSSR) {
        // return the promise so server-renderer can wait on it
        return setupResult.then(resolvedResult => {
          handleSetupResult(instance, resolvedResult, isSSR);
        }).catch(e => {
          handleError(e, instance, 0
          /* SETUP_FUNCTION */
          );
        });
      } else {
        // async setup returned Promise.
        // bail here and wait for re-entry.
        instance.asyncDep = setupResult;
      }
    } else {
      handleSetupResult(instance, setupResult, isSSR);
    }
  } else {
    finishComponentSetup(instance, isSSR);
  }
}

function handleSetupResult(instance, setupResult, isSSR) {
  if (isFunction(setupResult)) {
    // setup returned an inline render function
    if (instance.type.__ssrInlineRender) {
      // when the function's name is `ssrRender` (compiled by SFC inline mode),
      // set it as ssrRender instead.
      instance.ssrRender = setupResult;
    } else {
      instance.render = setupResult;
    }
  } else if (isObject(setupResult)) {
    if (isVNode(setupResult)) {
      warn("setup() should not return VNodes directly - " + "return a render function instead.");
    } // setup returned bindings.
    // assuming a render function compiled from template is present.


    {
      instance.devtoolsRawSetupState = setupResult;
    }
    instance.setupState = proxyRefs(setupResult);
    {
      exposeSetupStateOnRenderContext(instance);
    }
  } else if (setupResult !== undefined) {
    warn("setup() should return an object. Received: ".concat(setupResult === null ? 'null' : typeof setupResult));
  }

  finishComponentSetup(instance, isSSR);
}

var compile;
var 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


var isRuntimeOnly = () => !compile;

function finishComponentSetup(instance, isSSR, skipOptions) {
  var 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) {
      var template = Component.template;

      if (template) {
        {
          startMeasure(instance, "compile");
        }
        var {
          isCustomElement,
          compilerOptions
        } = instance.appContext.config;
        var {
          delimiters,
          compilerOptions: componentCompilerOptions
        } = Component;
        var finalCompilerOptions = extend(extend({
          isCustomElement,
          delimiters
        }, compilerOptions), componentCompilerOptions);
        Component.render = compile(template, finalCompilerOptions);
        {
          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


  {
    setCurrentInstance(instance);
    pauseTracking();
    applyOptions(instance);
    resetTracking();
    unsetCurrentInstance();
  } // warn missing template/render
  // the runtime compilation of template in SSR is done by server-render

  if (!Component.render && instance.render === NOOP && !isSSR) {
    /* istanbul ignore if */
    if (!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, {
    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;
    }

  });
}

function createSetupContext(instance) {
  var expose = exposed => {
    if (instance.exposed) {
      warn("expose() should be called only once per setup().");
    }

    instance.exposed = exposed || {};
  };

  var attrs;
  {
    // We use getters in dev in case libs like test-utils overwrite instance
    // properties (overwrites should not be done in prod)
    return Object.freeze({
      get attrs() {
        return attrs || (attrs = createAttrsProxy(instance));
      },

      get slots() {
        return shallowReadonly(instance.slots);
      },

      get emit() {
        return function (event) {
          for (var _len8 = arguments.length, args = new Array(_len8 > 1 ? _len8 - 1 : 0), _key16 = 1; _key16 < _len8; _key16++) {
            args[_key16 - 1] = arguments[_key16];
          }

          return instance.emit(event, ...args);
        };
      },

      expose
    });
  }
}

function getExposeProxy(instance) {
  if (instance.exposed) {
    return instance.exposeProxy || (instance.exposeProxy = new Proxy(proxyRefs(markRaw(instance.exposed)), {
      get(target, key) {
        if (key in target) {
          return target[key];
        } else if (key in publicPropertiesMap) {
          return publicPropertiesMap[key](instance);
        }
      }

    }));
  }
}

var classifyRE = /(?:^|[-_])(\w)/g;

var 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) {
  var isRoot = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  var name = getComponentName(Component);

  if (!name && Component.__file) {
    var match = Component.__file.match(/([^/\\]+)\.\w+$/);

    if (match) {
      name = match[1];
    }
  }

  if (!name && instance && instance.parent) {
    // try to infer the name based on reverse resolution
    var inferFromRegistry = registry => {
      for (var 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;
}

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


var warnRuntimeUsage = method => warn("".concat(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() {
  {
    warnRuntimeUsage("defineProps");
  }
  return null;
} // implementation


function defineEmits() {
  {
    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) {
  {
    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) {
  {
    warnRuntimeUsage("withDefaults");
  }
  return null;
}

function useSlots() {
  return getContext().slots;
}

function useAttrs() {
  return getContext().attrs;
}

function getContext() {
  var i = getCurrentInstance();

  if (!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) {
  var props = isArray(raw) ? raw.reduce((normalized, p) => (normalized[p] = {}, normalized), {}) : raw;

  for (var key in defaults) {
    var 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 {
      warn("props default key \"".concat(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) {
  var ret = {};

  var _loop4 = function (key) {
    if (!excludedKeys.includes(key)) {
      Object.defineProperty(ret, key, {
        enumerable: true,
        get: () => props[key]
      });
    }
  };

  for (var key in props) {
    _loop4(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) {
  var ctx = getCurrentInstance();

  if (!ctx) {
    warn("withAsyncContext called without active current instance. " + "This is likely a bug.");
  }

  var 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) {
  var 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);
  }
}

var ssrContextKey = Symbol("ssrContext");

var useSSRContext = () => {
  {
    var 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 (typeof window === 'undefined') {
    return;
  }

  var vueStyle = {
    style: 'color:#3ba776'
  };
  var numberStyle = {
    style: 'color:#0b1bc9'
  };
  var stringStyle = {
    style: 'color:#b62e24'
  };
  var keywordStyle = {
    style: 'color:#9d288c'
  }; // custom formatter for Chrome
  // https://www.mattzeunert.com/2016/02/19/custom-chrome-devtools-object-formatters.html

  var 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), ">".concat(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) {
    var 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)));
    }

    var computed = extractKeys(instance, 'computed');

    if (computed) {
      blocks.push(createInstanceBlock('computed', computed));
    }

    var 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) {
    var asRaw = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 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) {
    var Comp = instance.type;

    if (isFunction(Comp)) {
      return;
    }

    var extracted = {};

    for (var key in instance.ctx) {
      if (isKeyOfType(Comp, key, type)) {
        extracted[key] = instance.ctx[key];
      }
    }

    return extracted;
  }

  function isKeyOfType(Comp, key, type) {
    var 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) {
  var cached = cache[index];

  if (cached && isMemoSame(cached, memo)) {
    return cached;
  }

  var ret = render(); // shallow clone

  ret.memo = memo.slice();
  return cache[index] = ret;
}

function isMemoSame(cached, memo) {
  var prev = cached.memo;

  if (prev.length != memo.length) {
    return false;
  }

  for (var 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 ------------------------------------------------------------------


var version = "3.2.31";
/**
 * @internal only exposed in compat builds
 */

var resolveFilter = null;
/**
 * @internal only exposed in compat builds.
 */

var compatUtils = null;
var nodeOps = {
  insert: (child, parent, anchor) => {
    if (!anchor) {
      return parent.appendChild(child);
    }

    return parent.insertBefore(child, anchor);
  },
  remove: child => {
    var 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 useCssStyles(styles) {
  var normalized = {};

  if (isArray(styles)) {
    styles.forEach(style => {
      Object.keys(style).forEach(name => {
        if (hasOwn(normalized, name)) {
          extend(normalized[name], style[name]);
        } else {
          normalized[name] = style[name];
        }
      });
    });
  }

  return normalized;
}

function parseStylesheet(_ref21) {
  var {
    type,
    vnode: {
      appContext
    }
  } = _ref21;
  var component = type;

  if (!component.__styles) {
    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 {
      var 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 isUndef(val) {
  return val === undefined || val === null;
}

function patchAttr(el, key, value) {
  var instance = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;

  if (instance) {
    [key, value] = transformAttr(el, key, value, instance);
  }

  if (value == null) ;else {
    el.setAttr(key, value);
  }
}

var ATTR_HOVER_CLASS = 'hoverClass';
var ATTR_PLACEHOLDER_CLASS = 'placeholderClass';
var ATTR_PLACEHOLDER_STYLE = 'placeholderStyle';
var ATTR_INDICATOR_CLASS = 'indicatorClass';
var ATTR_INDICATOR_STYLE = 'indicatorStyle';
var ATTR_MASK_CLASS = 'maskClass';
var ATTR_MASK_STYLE = 'maskStyle';
var 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];
  }

  var opts = CLASS_AND_STYLES[el.type];

  if (opts) {
    var camelized = camelize(key);

    if (opts['class'].indexOf(camelized) > -1) {
      return [camelized, parseStylesheet(instance)[value] || {}];
    }

    if (opts['style'].indexOf(key) > -1) {
      if (isString(value)) {
        return [camelized, parseStringStyle(value)];
      }

      return [camelized, normalizeStyle(value)];
    }
  }

  return [key, value];
} // compiler should normalize class + :class bindings on the same element
// into a single binding ['staticClass', dynamic]


function patchClass(el, pre, next) {
  var instance = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;

  // 移除 class
  if (next == null) {
    return;
  }

  if (!instance) {
    return;
  }

  var oldStyle = getStyle(pre, instance);
  var newStyle = getStyle(next, instance);
  var cur, name;
  var batchedStyles = {};

  for (name in oldStyle) {
    if (isUndef(newStyle[name])) {
      batchedStyles[name] = '';
    }
  }

  for (name in newStyle) {
    cur = newStyle[name];

    if (cur !== oldStyle[name]) {
      batchedStyles[name] = cur;
    }
  }

  el.setStyles(batchedStyles);
}

function getStyle(clazz, instance) {
  if (!clazz) {
    return {};
  }

  var classList = clazz.split(' ');
  var stylesheet = parseStylesheet(instance);
  var result = {};
  classList.forEach(name => {
    var style = stylesheet[name];
    extend(result, style);
  });
  return result;
}

function addEventListener(el, event, handler, options) {
  el.addEvent(event, handler);
}

function removeEventListener(el, event) {
  el.removeEvent(event);
}

function patchEvent(el, rawName, prevValue, nextValue) {
  var instance = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
  // vei = vue event invokers
  var invokers = el._vei || (el._vei = {});
  var existingInvoker = invokers[rawName];

  if (nextValue && existingInvoker) {
    // patch
    existingInvoker.value = nextValue;
  } else {
    var [name, options] = parseName(rawName);

    if (nextValue) {
      // add
      var invoker = invokers[rawName] = createInvoker(nextValue, instance);
      addEventListener(el, name, invoker);
    } else if (existingInvoker) {
      // remove
      removeEventListener(el, name);
      invokers[rawName] = undefined;
    }
  }
}

var optionsModifierRE = /(?:Once|Passive|Capture)$/;

function parseName(name) {
  var options;

  if (optionsModifierRE.test(name)) {
    options = {};
    var 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) {
  var invoker = e => {
    callWithAsyncErrorHandling(invoker.value, instance, 5
    /* NATIVE_EVENT_HANDLER */
    , [e]);
  };

  invoker.value = initialValue;
  var 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;
  }

  var {
    $wxsModules
  } = instance;

  if (!$wxsModules) {
    return;
  }

  var 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);
  }

  var batchedStyles = {};
  var isPrevObj = prev && !isString(prev);

  if (isPrevObj) {
    for (var key in prev) {
      if (next[key] == null) {
        batchedStyles[camelize(key)] = '';
      }
    }

    for (var _key17 in next) {
      var value = next[_key17];

      if (value !== prev[_key17]) {
        batchedStyles[camelize(_key17)] = value;
      }
    }
  } else {
    for (var _key18 in next) {
      batchedStyles[camelize(_key18)] = next[_key18];
    }
  }

  el.setStyles(batchedStyles);
}

var patchProp = function (el, key, prevValue, nextValue) {
  var isSVG = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
  var prevChildren = arguments.length > 5 ? arguments[5] : undefined;
  var parentComponent = arguments.length > 6 ? arguments[6] : undefined;
  var parentSuspense = arguments.length > 7 ? arguments[7] : undefined;
  var unmountChildren = arguments.length > 8 ? arguments[8] : undefined;

  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() {
  var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '$style';

  /* istanbul ignore else */
  {
    var instance = getCurrentInstance();

    if (!instance) {
      warn("useCssModule must be called inside setup()");
      return EMPTY_OBJ;
    }

    var modules = instance.type.__cssModules;

    if (!modules) {
      warn("Current instance does not have CSS modules injected.");
      return EMPTY_OBJ;
    }

    var mod = modules[name];

    if (!mod) {
      warn("Current instance does not have CSS module named \"".concat(name, "\"."));
      return EMPTY_OBJ;
    }

    return mod;
  }
}
/**
 * Runtime helper for SFC's CSS variable injection feature.
 * @private
 */


function useCssVars(getter) {
  var instance = getCurrentInstance();
  /* istanbul ignore next */

  if (!instance) {
    warn("useCssVars is called without current active component instance.");
    return;
  }

  var setVars = () => setVarsOnVNode(instance.subTree, getter(instance.proxy));

  onMounted(() => watchEffect(setVars, {
    flush: 'post'
  }));
  onUpdated(setVars);
}

function setVarsOnVNode(vnode, vars) {
  if (vnode.shapeFlag & 128
  /* SUSPENSE */
  ) {
    var 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) {
    var style = vnode.el.style;

    for (var key in vars) {
      style.setProperty("--".concat(key), vars[key]);
    }
  } else if (vnode.type === Fragment) {
    vnode.children.forEach(c => setVarsOnVNode(c, vars));
  }
}

var 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.

var renderer;

function ensureRenderer() {
  return renderer || (renderer = createRenderer(rendererOptions));
} // use explicit type casts here to avoid import() calls in rolled-up d.ts


var render = function () {
  ensureRenderer().render(...arguments);
};

var createApp = function () {
  var app = ensureRenderer().createApp(...arguments);
  var {
    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, 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 };