/*!
 * vuex v4.0.2
 * (c) 2021 Evan You
 * @license MIT
 */
var Vuex = (function (vue) {
  'use strict'

  var storeKey = 'store'

  function useStore (key) {
    if (key === void 0) key = null

    return vue.inject(key !== null ? key : storeKey)
  }

  function getDevtoolsGlobalHook () {
    return getTarget().__VUE_DEVTOOLS_GLOBAL_HOOK__
  }
  function getTarget () {
    // @ts-ignore
    return typeof navigator !== 'undefined'
      ? window
      : typeof global !== 'undefined'
        ? global
        : {}
  }

  var HOOK_SETUP = 'devtools-plugin:setup'

  function setupDevtoolsPlugin (pluginDescriptor, setupFn) {
    var hook = getDevtoolsGlobalHook()
    if (hook) {
      hook.emit(HOOK_SETUP, pluginDescriptor, setupFn)
    } else {
      var target = getTarget()
      var list = target.__VUE_DEVTOOLS_PLUGINS__ = target.__VUE_DEVTOOLS_PLUGINS__ || []
      list.push({
        pluginDescriptor: pluginDescriptor,
        setupFn: setupFn
      })
    }
  }

  /**
   * Get the first item that pass the test
   * by second argument function
   *
   * @param {Array} list
   * @param {Function} f
   * @return {*}
   */
  function find (list, f) {
    return list.filter(f)[0]
  }

  /**
   * Deep copy the given object considering circular structure.
   * This function caches all nested objects and its copies.
   * If it detects circular structure, use cached copy to avoid infinite loop.
   *
   * @param {*} obj
   * @param {Array<Object>} cache
   * @return {*}
   */
  function deepCopy (obj, cache) {
    if (cache === void 0) cache = []

    // just return if obj is immutable value
    if (obj === null || typeof obj !== 'object') {
      return obj
    }

    // if obj is hit, it is in circular structure
    var hit = find(cache, function (c) { return c.original === obj })
    if (hit) {
      return hit.copy
    }

    var copy = Array.isArray(obj) ? [] : {}
    // put the copy into cache at first
    // because we want to refer it in recursive deepCopy
    cache.push({
      original: obj,
      copy: copy
    })

    Object.keys(obj).forEach(function (key) {
      copy[key] = deepCopy(obj[key], cache)
    })

    return copy
  }

  /**
   * forEach for object
   */
  function forEachValue (obj, fn) {
    Object.keys(obj).forEach(function (key) { return fn(obj[key], key) })
  }

  function isObject (obj) {
    return obj !== null && typeof obj === 'object'
  }

  function isPromise (val) {
    return val && typeof val.then === 'function'
  }

  function assert (condition, msg) {
    if (!condition) { throw new Error(('[vuex] ' + msg)) }
  }

  function partial (fn, arg) {
    return function () {
      return fn(arg)
    }
  }

  function genericSubscribe (fn, subs, options) {
    if (subs.indexOf(fn) < 0) {
      options && options.prepend
        ? subs.unshift(fn)
        : subs.push(fn)
    }
    return function () {
      var i = subs.indexOf(fn)
      if (i > -1) {
        subs.splice(i, 1)
      }
    }
  }

  function resetStore (store, hot) {
    store._actions = Object.create(null)
    store._mutations = Object.create(null)
    store._wrappedGetters = Object.create(null)
    store._modulesNamespaceMap = Object.create(null)
    var state = store.state
    // init all modules
    installModule(store, state, [], store._modules.root, true)
    // reset state
    resetStoreState(store, state, hot)
  }

  function resetStoreState (store, state, hot) {
    var oldState = store._state

    // bind store public getters
    store.getters = {}
    // reset local getters cache
    store._makeLocalGettersCache = Object.create(null)
    var wrappedGetters = store._wrappedGetters
    var computedObj = {}
    forEachValue(wrappedGetters, function (fn, key) {
      // use computed to leverage its lazy-caching mechanism
      // direct inline function use will lead to closure preserving oldState.
      // using partial to return function with only arguments preserved in closure environment.
      computedObj[key] = partial(fn, store)
      Object.defineProperty(store.getters, key, {
        // TODO: use `computed` when it's possible. at the moment we can't due to
        // https://github.com/vuejs/vuex/pull/1883
        get: function () { return computedObj[key]() },
        enumerable: true // for local getters
      })
    })

    store._state = vue.reactive({
      data: state
    })

    // enable strict mode for new state
    if (store.strict) {
      enableStrictMode(store)
    }

    if (oldState) {
      if (hot) {
        // dispatch changes in all subscribed watchers
        // to force getter re-evaluation for hot reloading.
        store._withCommit(function () {
          oldState.data = null
        })
      }
    }
  }

  function installModule (store, rootState, path, module, hot) {
    var isRoot = !path.length
    var namespace = store._modules.getNamespace(path)

    // register in namespace map
    if (module.namespaced) {
      if (store._modulesNamespaceMap[namespace] && true) {
        console.error(('[vuex] duplicate namespace ' + namespace + ' for the namespaced module ' + (path.join('/'))))
      }
      store._modulesNamespaceMap[namespace] = module
    }

    // set state
    if (!isRoot && !hot) {
      var parentState = getNestedState(rootState, path.slice(0, -1))
      var moduleName = path[path.length - 1]
      store._withCommit(function () {
        {
          if (moduleName in parentState) {
            console.warn(
              ('[vuex] state field "' + moduleName + '" was overridden by a module with the same name at "' + (path.join('.')) + '"')
            )
          }
        }
        parentState[moduleName] = module.state
      })
    }

    var local = module.context = makeLocalContext(store, namespace, path)

    module.forEachMutation(function (mutation, key) {
      var namespacedType = namespace + key
      registerMutation(store, namespacedType, mutation, local)
    })

    module.forEachAction(function (action, key) {
      var type = action.root ? key : namespace + key
      var handler = action.handler || action
      registerAction(store, type, handler, local)
    })

    module.forEachGetter(function (getter, key) {
      var namespacedType = namespace + key
      registerGetter(store, namespacedType, getter, local)
    })

    module.forEachChild(function (child, key) {
      installModule(store, rootState, path.concat(key), child, hot)
    })
  }

  /**
   * make localized dispatch, commit, getters and state
   * if there is no namespace, just use root ones
   */
  function makeLocalContext (store, namespace, path) {
    var noNamespace = namespace === ''

    var local = {
      dispatch: noNamespace ? store.dispatch : function (_type, _payload, _options) {
        var args = unifyObjectStyle(_type, _payload, _options)
        var payload = args.payload
        var options = args.options
        var type = args.type

        if (!options || !options.root) {
          type = namespace + type
          if (!store._actions[type]) {
            console.error(('[vuex] unknown local action type: ' + (args.type) + ', global type: ' + type))
            return
          }
        }

        return store.dispatch(type, payload)
      },

      commit: noNamespace ? store.commit : function (_type, _payload, _options) {
        var args = unifyObjectStyle(_type, _payload, _options)
        var payload = args.payload
        var options = args.options
        var type = args.type

        if (!options || !options.root) {
          type = namespace + type
          if (!store._mutations[type]) {
            console.error(('[vuex] unknown local mutation type: ' + (args.type) + ', global type: ' + type))
            return
          }
        }

        store.commit(type, payload, options)
      }
    }

    // getters and state object must be gotten lazily
    // because they will be changed by state update
    Object.defineProperties(local, {
      getters: {
        get: noNamespace
          ? function () { return store.getters }
          : function () { return makeLocalGetters(store, namespace) }
      },
      state: {
        get: function () { return getNestedState(store.state, path) }
      }
    })

    return local
  }

  function makeLocalGetters (store, namespace) {
    if (!store._makeLocalGettersCache[namespace]) {
      var gettersProxy = {}
      var splitPos = namespace.length
      Object.keys(store.getters).forEach(function (type) {
        // skip if the target getter is not match this namespace
        if (type.slice(0, splitPos) !== namespace) { return }

        // extract local getter type
        var localType = type.slice(splitPos)

        // Add a port to the getters proxy.
        // Define as getter property because
        // we do not want to evaluate the getters in this time.
        Object.defineProperty(gettersProxy, localType, {
          get: function () { return store.getters[type] },
          enumerable: true
        })
      })
      store._makeLocalGettersCache[namespace] = gettersProxy
    }

    return store._makeLocalGettersCache[namespace]
  }

  function registerMutation (store, type, handler, local) {
    var entry = store._mutations[type] || (store._mutations[type] = [])
    entry.push(function wrappedMutationHandler (payload) {
      handler.call(store, local.state, payload)
    })
  }

  function registerAction (store, type, handler, local) {
    var entry = store._actions[type] || (store._actions[type] = [])
    entry.push(function wrappedActionHandler (payload) {
      var res = handler.call(store, {
        dispatch: local.dispatch,
        commit: local.commit,
        getters: local.getters,
        state: local.state,
        rootGetters: store.getters,
        rootState: store.state
      }, payload)
      if (!isPromise(res)) {
        res = Promise.resolve(res)
      }
      if (store._devtoolHook) {
        return res.catch(function (err) {
          store._devtoolHook.emit('vuex:error', err)
          throw err
        })
      } else {
        return res
      }
    })
  }

  function registerGetter (store, type, rawGetter, local) {
    if (store._wrappedGetters[type]) {
      {
        console.error(('[vuex] duplicate getter key: ' + type))
      }
      return
    }
    store._wrappedGetters[type] = function wrappedGetter (store) {
      return rawGetter(
        local.state, // local state
        local.getters, // local getters
        store.state, // root state
        store.getters // root getters
      )
    }
  }

  function enableStrictMode (store) {
    vue.watch(function () { return store._state.data }, function () {
      {
        assert(store._committing, 'do not mutate vuex store state outside mutation handlers.')
      }
    }, { deep: true, flush: 'sync' })
  }

  function getNestedState (state, path) {
    return path.reduce(function (state, key) { return state[key] }, state)
  }

  function unifyObjectStyle (type, payload, options) {
    if (isObject(type) && type.type) {
      options = payload
      payload = type
      type = type.type
    }

    {
      assert(typeof type === 'string', ('expects string as the type, but found ' + (typeof type) + '.'))
    }

    return { type: type, payload: payload, options: options }
  }

  var LABEL_VUEX_BINDINGS = 'vuex bindings'
  var MUTATIONS_LAYER_ID = 'vuex:mutations'
  var ACTIONS_LAYER_ID = 'vuex:actions'
  var INSPECTOR_ID = 'vuex'

  var actionId = 0

  function addDevtools (app, store) {
    setupDevtoolsPlugin(
      {
        id: 'org.vuejs.vuex',
        app: app,
        label: 'Vuex',
        homepage: 'https://next.vuex.vuejs.org/',
        logo: 'https://vuejs.org/images/icons/favicon-96x96.png',
        packageName: 'vuex',
        componentStateTypes: [LABEL_VUEX_BINDINGS]
      },
      function (api) {
        api.addTimelineLayer({
          id: MUTATIONS_LAYER_ID,
          label: 'Vuex Mutations',
          color: COLOR_LIME_500
        })

        api.addTimelineLayer({
          id: ACTIONS_LAYER_ID,
          label: 'Vuex Actions',
          color: COLOR_LIME_500
        })

        api.addInspector({
          id: INSPECTOR_ID,
          label: 'Vuex',
          icon: 'storage',
          treeFilterPlaceholder: 'Filter stores...'
        })

        api.on.getInspectorTree(function (payload) {
          if (payload.app === app && payload.inspectorId === INSPECTOR_ID) {
            if (payload.filter) {
              var nodes = []
              flattenStoreForInspectorTree(nodes, store._modules.root, payload.filter, '')
              payload.rootNodes = nodes
            } else {
              payload.rootNodes = [
                formatStoreForInspectorTree(store._modules.root, '')
              ]
            }
          }
        })

        api.on.getInspectorState(function (payload) {
          if (payload.app === app && payload.inspectorId === INSPECTOR_ID) {
            var modulePath = payload.nodeId
            makeLocalGetters(store, modulePath)
            payload.state = formatStoreForInspectorState(
              getStoreModule(store._modules, modulePath),
              modulePath === 'root' ? store.getters : store._makeLocalGettersCache,
              modulePath
            )
          }
        })

        api.on.editInspectorState(function (payload) {
          if (payload.app === app && payload.inspectorId === INSPECTOR_ID) {
            var modulePath = payload.nodeId
            var path = payload.path
            if (modulePath !== 'root') {
              path = modulePath.split('/').filter(Boolean).concat(path)
            }
            store._withCommit(function () {
              payload.set(store._state.data, path, payload.state.value)
            })
          }
        })

        store.subscribe(function (mutation, state) {
          var data = {}

          if (mutation.payload) {
            data.payload = mutation.payload
          }

          data.state = state

          api.notifyComponentUpdate()
          api.sendInspectorTree(INSPECTOR_ID)
          api.sendInspectorState(INSPECTOR_ID)

          api.addTimelineEvent({
            layerId: MUTATIONS_LAYER_ID,
            event: {
              time: Date.now(),
              title: mutation.type,
              data: data
            }
          })
        })

        store.subscribeAction({
          before: function (action, state) {
            var data = {}
            if (action.payload) {
              data.payload = action.payload
            }
            action._id = actionId++
            action._time = Date.now()
            data.state = state

            api.addTimelineEvent({
              layerId: ACTIONS_LAYER_ID,
              event: {
                time: action._time,
                title: action.type,
                groupId: action._id,
                subtitle: 'start',
                data: data
              }
            })
          },
          after: function (action, state) {
            var data = {}
            var duration = Date.now() - action._time
            data.duration = {
              _custom: {
                type: 'duration',
                display: (duration + 'ms'),
                tooltip: 'Action duration',
                value: duration
              }
            }
            if (action.payload) {
              data.payload = action.payload
            }
            data.state = state

            api.addTimelineEvent({
              layerId: ACTIONS_LAYER_ID,
              event: {
                time: Date.now(),
                title: action.type,
                groupId: action._id,
                subtitle: 'end',
                data: data
              }
            })
          }
        })
      }
    )
  }

  // extracted from tailwind palette
  var COLOR_LIME_500 = 0x84cc16
  var COLOR_DARK = 0x666666
  var COLOR_WHITE = 0xffffff

  var TAG_NAMESPACED = {
    label: 'namespaced',
    textColor: COLOR_WHITE,
    backgroundColor: COLOR_DARK
  }

  /**
   * @param {string} path
   */
  function extractNameFromPath (path) {
    return path && path !== 'root' ? path.split('/').slice(-2, -1)[0] : 'Root'
  }

  /**
   * @param {*} module
   * @return {import('@vue/devtools-api').CustomInspectorNode}
   */
  function formatStoreForInspectorTree (module, path) {
    return {
      id: path || 'root',
      // all modules end with a `/`, we want the last segment only
      // cart/ -> cart
      // nested/cart/ -> cart
      label: extractNameFromPath(path),
      tags: module.namespaced ? [TAG_NAMESPACED] : [],
      children: Object.keys(module._children).map(function (moduleName) {
        return formatStoreForInspectorTree(
          module._children[moduleName],
          path + moduleName + '/'
        )
      }
      )
    }
  }

  /**
   * @param {import('@vue/devtools-api').CustomInspectorNode[]} result
   * @param {*} module
   * @param {string} filter
   * @param {string} path
   */
  function flattenStoreForInspectorTree (result, module, filter, path) {
    if (path.includes(filter)) {
      result.push({
        id: path || 'root',
        label: path.endsWith('/') ? path.slice(0, path.length - 1) : path || 'Root',
        tags: module.namespaced ? [TAG_NAMESPACED] : []
      })
    }
    Object.keys(module._children).forEach(function (moduleName) {
      flattenStoreForInspectorTree(result, module._children[moduleName], filter, path + moduleName + '/')
    })
  }

  /**
   * @param {*} module
   * @return {import('@vue/devtools-api').CustomInspectorState}
   */
  function formatStoreForInspectorState (module, getters, path) {
    getters = path === 'root' ? getters : getters[path]
    var gettersKeys = Object.keys(getters)
    var storeState = {
      state: Object.keys(module.state).map(function (key) {
        return ({
          key: key,
          editable: true,
          value: module.state[key]
        })
      })
    }

    if (gettersKeys.length) {
      var tree = transformPathsToObjectTree(getters)
      storeState.getters = Object.keys(tree).map(function (key) {
        return ({
          key: key.endsWith('/') ? extractNameFromPath(key) : key,
          editable: false,
          value: canThrow(function () { return tree[key] })
        })
      })
    }

    return storeState
  }

  function transformPathsToObjectTree (getters) {
    var result = {}
    Object.keys(getters).forEach(function (key) {
      var path = key.split('/')
      if (path.length > 1) {
        var target = result
        var leafKey = path.pop()
        path.forEach(function (p) {
          if (!target[p]) {
            target[p] = {
              _custom: {
                value: {},
                display: p,
                tooltip: 'Module',
                abstract: true
              }
            }
          }
          target = target[p]._custom.value
        })
        target[leafKey] = canThrow(function () { return getters[key] })
      } else {
        result[key] = canThrow(function () { return getters[key] })
      }
    })
    return result
  }

  function getStoreModule (moduleMap, path) {
    var names = path.split('/').filter(function (n) { return n })
    return names.reduce(
      function (module, moduleName, i) {
        var child = module[moduleName]
        if (!child) {
          throw new Error(('Missing module "' + moduleName + '" for path "' + path + '".'))
        }
        return i === names.length - 1 ? child : child._children
      },
      path === 'root' ? moduleMap : moduleMap.root._children
    )
  }

  function canThrow (cb) {
    try {
      return cb()
    } catch (e) {
      return e
    }
  }

  // Base data struct for store's module, package with some attribute and method
  var Module = function Module (rawModule, runtime) {
    this.runtime = runtime
    // Store some children item
    this._children = Object.create(null)
    // Store the origin module object which passed by programmer
    this._rawModule = rawModule
    var rawState = rawModule.state

    // Store the origin module's state
    this.state = (typeof rawState === 'function' ? rawState() : rawState) || {}
  }

  var prototypeAccessors$1 = { namespaced: { configurable: true } }

  prototypeAccessors$1.namespaced.get = function () {
    return !!this._rawModule.namespaced
  }

  Module.prototype.addChild = function addChild (key, module) {
    this._children[key] = module
  }

  Module.prototype.removeChild = function removeChild (key) {
    delete this._children[key]
  }

  Module.prototype.getChild = function getChild (key) {
    return this._children[key]
  }

  Module.prototype.hasChild = function hasChild (key) {
    return key in this._children
  }

  Module.prototype.update = function update (rawModule) {
    this._rawModule.namespaced = rawModule.namespaced
    if (rawModule.actions) {
      this._rawModule.actions = rawModule.actions
    }
    if (rawModule.mutations) {
      this._rawModule.mutations = rawModule.mutations
    }
    if (rawModule.getters) {
      this._rawModule.getters = rawModule.getters
    }
  }

  Module.prototype.forEachChild = function forEachChild (fn) {
    forEachValue(this._children, fn)
  }

  Module.prototype.forEachGetter = function forEachGetter (fn) {
    if (this._rawModule.getters) {
      forEachValue(this._rawModule.getters, fn)
    }
  }

  Module.prototype.forEachAction = function forEachAction (fn) {
    if (this._rawModule.actions) {
      forEachValue(this._rawModule.actions, fn)
    }
  }

  Module.prototype.forEachMutation = function forEachMutation (fn) {
    if (this._rawModule.mutations) {
      forEachValue(this._rawModule.mutations, fn)
    }
  }

  Object.defineProperties(Module.prototype, prototypeAccessors$1)

  var ModuleCollection = function ModuleCollection (rawRootModule) {
    // register root module (Vuex.Store options)
    this.register([], rawRootModule, false)
  }

  ModuleCollection.prototype.get = function get (path) {
    return path.reduce(function (module, key) {
      return module.getChild(key)
    }, this.root)
  }

  ModuleCollection.prototype.getNamespace = function getNamespace (path) {
    var module = this.root
    return path.reduce(function (namespace, key) {
      module = module.getChild(key)
      return namespace + (module.namespaced ? key + '/' : '')
    }, '')
  }

  ModuleCollection.prototype.update = function update$1 (rawRootModule) {
    update([], this.root, rawRootModule)
  }

  ModuleCollection.prototype.register = function register (path, rawModule, runtime) {
    var this$1$1 = this
    if (runtime === void 0) runtime = true

    {
      assertRawModule(path, rawModule)
    }

    var newModule = new Module(rawModule, runtime)
    if (path.length === 0) {
      this.root = newModule
    } else {
      var parent = this.get(path.slice(0, -1))
      parent.addChild(path[path.length - 1], newModule)
    }

    // register nested modules
    if (rawModule.modules) {
      forEachValue(rawModule.modules, function (rawChildModule, key) {
        this$1$1.register(path.concat(key), rawChildModule, runtime)
      })
    }
  }

  ModuleCollection.prototype.unregister = function unregister (path) {
    var parent = this.get(path.slice(0, -1))
    var key = path[path.length - 1]
    var child = parent.getChild(key)

    if (!child) {
      {
        console.warn(
          "[vuex] trying to unregister module '" + key + "', which is " +
          'not registered'
        )
      }
      return
    }

    if (!child.runtime) {
      return
    }

    parent.removeChild(key)
  }

  ModuleCollection.prototype.isRegistered = function isRegistered (path) {
    var parent = this.get(path.slice(0, -1))
    var key = path[path.length - 1]

    if (parent) {
      return parent.hasChild(key)
    }

    return false
  }

  function update (path, targetModule, newModule) {
    {
      assertRawModule(path, newModule)
    }

    // update target module
    targetModule.update(newModule)

    // update nested modules
    if (newModule.modules) {
      for (var key in newModule.modules) {
        if (!targetModule.getChild(key)) {
          {
            console.warn(
              "[vuex] trying to add a new module '" + key + "' on hot reloading, " +
              'manual reload is needed'
            )
          }
          return
        }
        update(
          path.concat(key),
          targetModule.getChild(key),
          newModule.modules[key]
        )
      }
    }
  }

  var functionAssert = {
    assert: function (value) { return typeof value === 'function' },
    expected: 'function'
  }

  var objectAssert = {
    assert: function (value) {
      return typeof value === 'function' ||
      (typeof value === 'object' && typeof value.handler === 'function')
    },
    expected: 'function or object with "handler" function'
  }

  var assertTypes = {
    getters: functionAssert,
    mutations: functionAssert,
    actions: objectAssert
  }

  function assertRawModule (path, rawModule) {
    Object.keys(assertTypes).forEach(function (key) {
      if (!rawModule[key]) { return }

      var assertOptions = assertTypes[key]

      forEachValue(rawModule[key], function (value, type) {
        assert(
          assertOptions.assert(value),
          makeAssertionMessage(path, key, type, value, assertOptions.expected)
        )
      })
    })
  }

  function makeAssertionMessage (path, key, type, value, expected) {
    var buf = key + ' should be ' + expected + ' but "' + key + '.' + type + '"'
    if (path.length > 0) {
      buf += ' in module "' + (path.join('.')) + '"'
    }
    buf += ' is ' + (JSON.stringify(value)) + '.'
    return buf
  }

  function createStore (options) {
    return new Store(options)
  }

  var Store = function Store (options) {
    var this$1$1 = this
    if (options === void 0) options = {}

    {
      assert(typeof Promise !== 'undefined', 'vuex requires a Promise polyfill in this browser.')
      assert(this instanceof Store, 'store must be called with the new operator.')
    }

    var plugins = options.plugins; if (plugins === void 0) plugins = []
    var strict = options.strict; if (strict === void 0) strict = false
    var devtools = options.devtools

    // store internal state
    this._committing = false
    this._actions = Object.create(null)
    this._actionSubscribers = []
    this._mutations = Object.create(null)
    this._wrappedGetters = Object.create(null)
    this._modules = new ModuleCollection(options)
    this._modulesNamespaceMap = Object.create(null)
    this._subscribers = []
    this._makeLocalGettersCache = Object.create(null)
    this._devtools = devtools

    // bind commit and dispatch to self
    var store = this
    var ref = this
    var dispatch = ref.dispatch
    var commit = ref.commit
    this.dispatch = function boundDispatch (type, payload) {
      return dispatch.call(store, type, payload)
    }
    this.commit = function boundCommit (type, payload, options) {
      return commit.call(store, type, payload, options)
    }

    // strict mode
    this.strict = strict

    var state = this._modules.root.state

    // init root module.
    // this also recursively registers all sub-modules
    // and collects all module getters inside this._wrappedGetters
    installModule(this, state, [], this._modules.root)

    // initialize the store state, which is responsible for the reactivity
    // (also registers _wrappedGetters as computed properties)
    resetStoreState(this, state)

    // apply plugins
    plugins.forEach(function (plugin) { return plugin(this$1$1) })
  }

  var prototypeAccessors = { state: { configurable: true } }

  Store.prototype.install = function install (app, injectKey) {
    app.provide(injectKey || storeKey, this)
    app.config.globalProperties.$store = this

    var useDevtools = this._devtools !== undefined
      ? this._devtools
      : true

    if (useDevtools) {
      addDevtools(app, this)
    }
  }

  prototypeAccessors.state.get = function () {
    return this._state.data
  }

  prototypeAccessors.state.set = function (v) {
    {
      assert(false, 'use store.replaceState() to explicit replace store state.')
    }
  }

  Store.prototype.commit = function commit (_type, _payload, _options) {
    var this$1$1 = this

    // check object-style commit
    var ref = unifyObjectStyle(_type, _payload, _options)
    var type = ref.type
    var payload = ref.payload
    var options = ref.options

    var mutation = { type: type, payload: payload }
    var entry = this._mutations[type]
    if (!entry) {
      {
        console.error(('[vuex] unknown mutation type: ' + type))
      }
      return
    }
    this._withCommit(function () {
      entry.forEach(function commitIterator (handler) {
        handler(payload)
      })
    })

    this._subscribers
      .slice() // shallow copy to prevent iterator invalidation if subscriber synchronously calls unsubscribe
      .forEach(function (sub) { return sub(mutation, this$1$1.state) })

    if (
      options && options.silent
    ) {
      console.warn(
        '[vuex] mutation type: ' + type + '. Silent option has been removed. ' +
        'Use the filter functionality in the vue-devtools'
      )
    }
  }

  Store.prototype.dispatch = function dispatch (_type, _payload) {
    var this$1$1 = this

    // check object-style dispatch
    var ref = unifyObjectStyle(_type, _payload)
    var type = ref.type
    var payload = ref.payload

    var action = { type: type, payload: payload }
    var entry = this._actions[type]
    if (!entry) {
      {
        console.error(('[vuex] unknown action type: ' + type))
      }
      return
    }

    try {
      this._actionSubscribers
        .slice() // shallow copy to prevent iterator invalidation if subscriber synchronously calls unsubscribe
        .filter(function (sub) { return sub.before })
        .forEach(function (sub) { return sub.before(action, this$1$1.state) })
    } catch (e) {
      {
        console.warn('[vuex] error in before action subscribers: ')
        console.error(e)
      }
    }

    var result = entry.length > 1
      ? Promise.all(entry.map(function (handler) { return handler(payload) }))
      : entry[0](payload)

    return new Promise(function (resolve, reject) {
      result.then(function (res) {
        try {
          this$1$1._actionSubscribers
            .filter(function (sub) { return sub.after })
            .forEach(function (sub) { return sub.after(action, this$1$1.state) })
        } catch (e) {
          {
            console.warn('[vuex] error in after action subscribers: ')
            console.error(e)
          }
        }
        resolve(res)
      }, function (error) {
        try {
          this$1$1._actionSubscribers
            .filter(function (sub) { return sub.error })
            .forEach(function (sub) { return sub.error(action, this$1$1.state, error) })
        } catch (e) {
          {
            console.warn('[vuex] error in error action subscribers: ')
            console.error(e)
          }
        }
        reject(error)
      })
    })
  }

  Store.prototype.subscribe = function subscribe (fn, options) {
    return genericSubscribe(fn, this._subscribers, options)
  }

  Store.prototype.subscribeAction = function subscribeAction (fn, options) {
    var subs = typeof fn === 'function' ? { before: fn } : fn
    return genericSubscribe(subs, this._actionSubscribers, options)
  }

  Store.prototype.watch = function watch$1 (getter, cb, options) {
    var this$1$1 = this

    {
      assert(typeof getter === 'function', 'store.watch only accepts a function.')
    }
    return vue.watch(function () { return getter(this$1$1.state, this$1$1.getters) }, cb, Object.assign({}, options))
  }

  Store.prototype.replaceState = function replaceState (state) {
    var this$1$1 = this

    this._withCommit(function () {
      this$1$1._state.data = state
    })
  }

  Store.prototype.registerModule = function registerModule (path, rawModule, options) {
    if (options === void 0) options = {}

    if (typeof path === 'string') { path = [path] }

    {
      assert(Array.isArray(path), 'module path must be a string or an Array.')
      assert(path.length > 0, 'cannot register the root module by using registerModule.')
    }

    this._modules.register(path, rawModule)
    installModule(this, this.state, path, this._modules.get(path), options.preserveState)
    // reset store to update getters...
    resetStoreState(this, this.state)
  }

  Store.prototype.unregisterModule = function unregisterModule (path) {
    var this$1$1 = this

    if (typeof path === 'string') { path = [path] }

    {
      assert(Array.isArray(path), 'module path must be a string or an Array.')
    }

    this._modules.unregister(path)
    this._withCommit(function () {
      var parentState = getNestedState(this$1$1.state, path.slice(0, -1))
      delete parentState[path[path.length - 1]]
    })
    resetStore(this)
  }

  Store.prototype.hasModule = function hasModule (path) {
    if (typeof path === 'string') { path = [path] }

    {
      assert(Array.isArray(path), 'module path must be a string or an Array.')
    }

    return this._modules.isRegistered(path)
  }

  Store.prototype.hotUpdate = function hotUpdate (newOptions) {
    this._modules.update(newOptions)
    resetStore(this, true)
  }

  Store.prototype._withCommit = function _withCommit (fn) {
    var committing = this._committing
    this._committing = true
    fn()
    this._committing = committing
  }

  Object.defineProperties(Store.prototype, prototypeAccessors)

  /**
   * Reduce the code which written in Vue.js for getting the state.
   * @param {String} [namespace] - Module's namespace
   * @param {Object|Array} states # Object's item can be a function which accept state and getters for param, you can do something for state and getters in it.
   * @param {Object}
   */
  var mapState = normalizeNamespace(function (namespace, states) {
    var res = {}
    if (!isValidMap(states)) {
      console.error('[vuex] mapState: mapper parameter must be either an Array or an Object')
    }
    normalizeMap(states).forEach(function (ref) {
      var key = ref.key
      var val = ref.val

      res[key] = function mappedState () {
        var state = this.$store.state
        var getters = this.$store.getters
        if (namespace) {
          var module = getModuleByNamespace(this.$store, 'mapState', namespace)
          if (!module) {
            return
          }
          state = module.context.state
          getters = module.context.getters
        }
        return typeof val === 'function'
          ? val.call(this, state, getters)
          : state[val]
      }
      // mark vuex getter for devtools
      res[key].vuex = true
    })
    return res
  })

  /**
   * Reduce the code which written in Vue.js for committing the mutation
   * @param {String} [namespace] - Module's namespace
   * @param {Object|Array} mutations # Object's item can be a function which accept `commit` function as the first param, it can accept another params. You can commit mutation and do any other things in this function. specially, You need to pass anthor params from the mapped function.
   * @return {Object}
   */
  var mapMutations = normalizeNamespace(function (namespace, mutations) {
    var res = {}
    if (!isValidMap(mutations)) {
      console.error('[vuex] mapMutations: mapper parameter must be either an Array or an Object')
    }
    normalizeMap(mutations).forEach(function (ref) {
      var key = ref.key
      var val = ref.val

      res[key] = function mappedMutation () {
        var args = []; var len = arguments.length
        while (len--) args[len] = arguments[len]

        // Get the commit method from store
        var commit = this.$store.commit
        if (namespace) {
          var module = getModuleByNamespace(this.$store, 'mapMutations', namespace)
          if (!module) {
            return
          }
          commit = module.context.commit
        }
        return typeof val === 'function'
          ? val.apply(this, [commit].concat(args))
          : commit.apply(this.$store, [val].concat(args))
      }
    })
    return res
  })

  /**
   * Reduce the code which written in Vue.js for getting the getters
   * @param {String} [namespace] - Module's namespace
   * @param {Object|Array} getters
   * @return {Object}
   */
  var mapGetters = normalizeNamespace(function (namespace, getters) {
    var res = {}
    if (!isValidMap(getters)) {
      console.error('[vuex] mapGetters: mapper parameter must be either an Array or an Object')
    }
    normalizeMap(getters).forEach(function (ref) {
      var key = ref.key
      var val = ref.val

      // The namespace has been mutated by normalizeNamespace
      val = namespace + val
      res[key] = function mappedGetter () {
        if (namespace && !getModuleByNamespace(this.$store, 'mapGetters', namespace)) {
          return
        }
        if (!(val in this.$store.getters)) {
          console.error(('[vuex] unknown getter: ' + val))
          return
        }
        return this.$store.getters[val]
      }
      // mark vuex getter for devtools
      res[key].vuex = true
    })
    return res
  })

  /**
   * Reduce the code which written in Vue.js for dispatch the action
   * @param {String} [namespace] - Module's namespace
   * @param {Object|Array} actions # Object's item can be a function which accept `dispatch` function as the first param, it can accept anthor params. You can dispatch action and do any other things in this function. specially, You need to pass anthor params from the mapped function.
   * @return {Object}
   */
  var mapActions = normalizeNamespace(function (namespace, actions) {
    var res = {}
    if (!isValidMap(actions)) {
      console.error('[vuex] mapActions: mapper parameter must be either an Array or an Object')
    }
    normalizeMap(actions).forEach(function (ref) {
      var key = ref.key
      var val = ref.val

      res[key] = function mappedAction () {
        var args = []; var len = arguments.length
        while (len--) args[len] = arguments[len]

        // get dispatch function from store
        var dispatch = this.$store.dispatch
        if (namespace) {
          var module = getModuleByNamespace(this.$store, 'mapActions', namespace)
          if (!module) {
            return
          }
          dispatch = module.context.dispatch
        }
        return typeof val === 'function'
          ? val.apply(this, [dispatch].concat(args))
          : dispatch.apply(this.$store, [val].concat(args))
      }
    })
    return res
  })

  /**
   * Rebinding namespace param for mapXXX function in special scoped, and return them by simple object
   * @param {String} namespace
   * @return {Object}
   */
  var createNamespacedHelpers = function (namespace) {
    return ({
      mapState: mapState.bind(null, namespace),
      mapGetters: mapGetters.bind(null, namespace),
      mapMutations: mapMutations.bind(null, namespace),
      mapActions: mapActions.bind(null, namespace)
    })
  }

  /**
   * Normalize the map
   * normalizeMap([1, 2, 3]) => [ { key: 1, val: 1 }, { key: 2, val: 2 }, { key: 3, val: 3 } ]
   * normalizeMap({a: 1, b: 2, c: 3}) => [ { key: 'a', val: 1 }, { key: 'b', val: 2 }, { key: 'c', val: 3 } ]
   * @param {Array|Object} map
   * @return {Object}
   */
  function normalizeMap (map) {
    if (!isValidMap(map)) {
      return []
    }
    return Array.isArray(map)
      ? map.map(function (key) { return ({ key: key, val: key }) })
      : Object.keys(map).map(function (key) { return ({ key: key, val: map[key] }) })
  }

  /**
   * Validate whether given map is valid or not
   * @param {*} map
   * @return {Boolean}
   */
  function isValidMap (map) {
    return Array.isArray(map) || isObject(map)
  }

  /**
   * Return a function expect two param contains namespace and map. it will normalize the namespace and then the param's function will handle the new namespace and the map.
   * @param {Function} fn
   * @return {Function}
   */
  function normalizeNamespace (fn) {
    return function (namespace, map) {
      if (typeof namespace !== 'string') {
        map = namespace
        namespace = ''
      } else if (namespace.charAt(namespace.length - 1) !== '/') {
        namespace += '/'
      }
      return fn(namespace, map)
    }
  }

  /**
   * Search a special module from store by namespace. if module not exist, print error message.
   * @param {Object} store
   * @param {String} helper
   * @param {String} namespace
   * @return {Object}
   */
  function getModuleByNamespace (store, helper, namespace) {
    var module = store._modulesNamespaceMap[namespace]
    if (!module) {
      console.error(('[vuex] module namespace not found in ' + helper + '(): ' + namespace))
    }
    return module
  }

  // Credits: borrowed code from fcomb/redux-logger

  function createLogger (ref) {
    if (ref === void 0) ref = {}
    var collapsed = ref.collapsed; if (collapsed === void 0) collapsed = true
    var filter = ref.filter; if (filter === void 0) filter = function (mutation, stateBefore, stateAfter) { return true }
    var transformer = ref.transformer; if (transformer === void 0) transformer = function (state) { return state }
    var mutationTransformer = ref.mutationTransformer; if (mutationTransformer === void 0) mutationTransformer = function (mut) { return mut }
    var actionFilter = ref.actionFilter; if (actionFilter === void 0) actionFilter = function (action, state) { return true }
    var actionTransformer = ref.actionTransformer; if (actionTransformer === void 0) actionTransformer = function (act) { return act }
    var logMutations = ref.logMutations; if (logMutations === void 0) logMutations = true
    var logActions = ref.logActions; if (logActions === void 0) logActions = true
    var logger = ref.logger; if (logger === void 0) logger = console

    return function (store) {
      var prevState = deepCopy(store.state)

      if (typeof logger === 'undefined') {
        return
      }

      if (logMutations) {
        store.subscribe(function (mutation, state) {
          var nextState = deepCopy(state)

          if (filter(mutation, prevState, nextState)) {
            var formattedTime = getFormattedTime()
            var formattedMutation = mutationTransformer(mutation)
            var message = 'mutation ' + (mutation.type) + formattedTime

            startMessage(logger, message, collapsed)
            logger.log('%c prev state', 'color: #9E9E9E; font-weight: bold', transformer(prevState))
            logger.log('%c mutation', 'color: #03A9F4; font-weight: bold', formattedMutation)
            logger.log('%c next state', 'color: #4CAF50; font-weight: bold', transformer(nextState))
            endMessage(logger)
          }

          prevState = nextState
        })
      }

      if (logActions) {
        store.subscribeAction(function (action, state) {
          if (actionFilter(action, state)) {
            var formattedTime = getFormattedTime()
            var formattedAction = actionTransformer(action)
            var message = 'action ' + (action.type) + formattedTime

            startMessage(logger, message, collapsed)
            logger.log('%c action', 'color: #03A9F4; font-weight: bold', formattedAction)
            endMessage(logger)
          }
        })
      }
    }
  }

  function startMessage (logger, message, collapsed) {
    var startMessage = collapsed
      ? logger.groupCollapsed
      : logger.group

    // render
    try {
      startMessage.call(logger, message)
    } catch (e) {
      logger.log(message)
    }
  }

  function endMessage (logger) {
    try {
      logger.groupEnd()
    } catch (e) {
      logger.log('—— log end ——')
    }
  }

  function getFormattedTime () {
    var time = new Date()
    return (' @ ' + (pad(time.getHours(), 2)) + ':' + (pad(time.getMinutes(), 2)) + ':' + (pad(time.getSeconds(), 2)) + '.' + (pad(time.getMilliseconds(), 3)))
  }

  function repeat (str, times) {
    return (new Array(times + 1)).join(str)
  }

  function pad (num, maxLength) {
    return repeat('0', maxLength - num.toString().length) + num
  }

  var index_cjs = {
    version: '4.0.2',
    Store: Store,
    storeKey: storeKey,
    createStore: createStore,
    useStore: useStore,
    mapState: mapState,
    mapMutations: mapMutations,
    mapGetters: mapGetters,
    mapActions: mapActions,
    createNamespacedHelpers: createNamespacedHelpers,
    createLogger: createLogger
  }

  return index_cjs
}(Vue))