(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@polkadot/keyring'), require('@polkadot/ui-settings'), require('@polkadot/util'), require('@polkadot/util-crypto')) :
  typeof define === 'function' && define.amd ? define(['exports', '@polkadot/keyring', '@polkadot/ui-settings', '@polkadot/util', '@polkadot/util-crypto'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.polkadotUiKeyring = {}, global.polkadotKeyring, global.polkadotUiSettings, global.polkadotUtil, global.polkadotUtilCrypto));
})(this, (function (exports, keyring$1, uiSettings, util$7, utilCrypto) { 'use strict';

  const global = typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : window;

  var _documentCurrentScript = typeof document !== 'undefined' ? document.currentScript : null;
  var extendStatics = function(d, b) {
    extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
    return extendStatics(d, b);
  };
  function __extends(d, b) {
    if (typeof b !== "function" && b !== null)
        throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
    extendStatics(d, b);
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  }
  function __awaiter(thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
  }
  function __generator(thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (g && (g = 0, op[0] && (_ = 0)), _) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
  }
  function __values(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
  }
  function __read(o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
  }
  function __spreadArray(to, from, pack) {
    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
        if (ar || !(i in from)) {
            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
            ar[i] = from[i];
        }
    }
    return to.concat(ar || Array.prototype.slice.call(from));
  }
  function __await(v) {
    return this instanceof __await ? (this.v = v, this) : new __await(v);
  }
  function __asyncGenerator(thisArg, _arguments, generator) {
    if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
    var g = generator.apply(thisArg, _arguments || []), i, q = [];
    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
    function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
    function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }
    function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
    function fulfill(value) { resume("next", value); }
    function reject(value) { resume("throw", value); }
    function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }
  }
  function __asyncValues(o) {
    if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
    var m = o[Symbol.asyncIterator], i;
    return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
    function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
    function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
  }
  typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
    var e = new Error(message);
    return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
  };

  function isFunction$2(value) {
      return typeof value === 'function';
  }

  function createErrorClass(createImpl) {
      var _super = function (instance) {
          Error.call(instance);
          instance.stack = new Error().stack;
      };
      var ctorFunc = createImpl(_super);
      ctorFunc.prototype = Object.create(Error.prototype);
      ctorFunc.prototype.constructor = ctorFunc;
      return ctorFunc;
  }

  var UnsubscriptionError = createErrorClass(function (_super) {
      return function UnsubscriptionErrorImpl(errors) {
          _super(this);
          this.message = errors
              ? errors.length + " errors occurred during unsubscription:\n" + errors.map(function (err, i) { return i + 1 + ") " + err.toString(); }).join('\n  ')
              : '';
          this.name = 'UnsubscriptionError';
          this.errors = errors;
      };
  });

  function arrRemove(arr, item) {
      if (arr) {
          var index = arr.indexOf(item);
          0 <= index && arr.splice(index, 1);
      }
  }

  var Subscription = (function () {
      function Subscription(initialTeardown) {
          this.initialTeardown = initialTeardown;
          this.closed = false;
          this._parentage = null;
          this._finalizers = null;
      }
      Subscription.prototype.unsubscribe = function () {
          var e_1, _a, e_2, _b;
          var errors;
          if (!this.closed) {
              this.closed = true;
              var _parentage = this._parentage;
              if (_parentage) {
                  this._parentage = null;
                  if (Array.isArray(_parentage)) {
                      try {
                          for (var _parentage_1 = __values(_parentage), _parentage_1_1 = _parentage_1.next(); !_parentage_1_1.done; _parentage_1_1 = _parentage_1.next()) {
                              var parent_1 = _parentage_1_1.value;
                              parent_1.remove(this);
                          }
                      }
                      catch (e_1_1) { e_1 = { error: e_1_1 }; }
                      finally {
                          try {
                              if (_parentage_1_1 && !_parentage_1_1.done && (_a = _parentage_1.return)) _a.call(_parentage_1);
                          }
                          finally { if (e_1) throw e_1.error; }
                      }
                  }
                  else {
                      _parentage.remove(this);
                  }
              }
              var initialFinalizer = this.initialTeardown;
              if (isFunction$2(initialFinalizer)) {
                  try {
                      initialFinalizer();
                  }
                  catch (e) {
                      errors = e instanceof UnsubscriptionError ? e.errors : [e];
                  }
              }
              var _finalizers = this._finalizers;
              if (_finalizers) {
                  this._finalizers = null;
                  try {
                      for (var _finalizers_1 = __values(_finalizers), _finalizers_1_1 = _finalizers_1.next(); !_finalizers_1_1.done; _finalizers_1_1 = _finalizers_1.next()) {
                          var finalizer = _finalizers_1_1.value;
                          try {
                              execFinalizer(finalizer);
                          }
                          catch (err) {
                              errors = errors !== null && errors !== void 0 ? errors : [];
                              if (err instanceof UnsubscriptionError) {
                                  errors = __spreadArray(__spreadArray([], __read(errors)), __read(err.errors));
                              }
                              else {
                                  errors.push(err);
                              }
                          }
                      }
                  }
                  catch (e_2_1) { e_2 = { error: e_2_1 }; }
                  finally {
                      try {
                          if (_finalizers_1_1 && !_finalizers_1_1.done && (_b = _finalizers_1.return)) _b.call(_finalizers_1);
                      }
                      finally { if (e_2) throw e_2.error; }
                  }
              }
              if (errors) {
                  throw new UnsubscriptionError(errors);
              }
          }
      };
      Subscription.prototype.add = function (teardown) {
          var _a;
          if (teardown && teardown !== this) {
              if (this.closed) {
                  execFinalizer(teardown);
              }
              else {
                  if (teardown instanceof Subscription) {
                      if (teardown.closed || teardown._hasParent(this)) {
                          return;
                      }
                      teardown._addParent(this);
                  }
                  (this._finalizers = (_a = this._finalizers) !== null && _a !== void 0 ? _a : []).push(teardown);
              }
          }
      };
      Subscription.prototype._hasParent = function (parent) {
          var _parentage = this._parentage;
          return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));
      };
      Subscription.prototype._addParent = function (parent) {
          var _parentage = this._parentage;
          this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;
      };
      Subscription.prototype._removeParent = function (parent) {
          var _parentage = this._parentage;
          if (_parentage === parent) {
              this._parentage = null;
          }
          else if (Array.isArray(_parentage)) {
              arrRemove(_parentage, parent);
          }
      };
      Subscription.prototype.remove = function (teardown) {
          var _finalizers = this._finalizers;
          _finalizers && arrRemove(_finalizers, teardown);
          if (teardown instanceof Subscription) {
              teardown._removeParent(this);
          }
      };
      Subscription.EMPTY = (function () {
          var empty = new Subscription();
          empty.closed = true;
          return empty;
      })();
      return Subscription;
  }());
  var EMPTY_SUBSCRIPTION = Subscription.EMPTY;
  function isSubscription(value) {
      return (value instanceof Subscription ||
          (value && 'closed' in value && isFunction$2(value.remove) && isFunction$2(value.add) && isFunction$2(value.unsubscribe)));
  }
  function execFinalizer(finalizer) {
      if (isFunction$2(finalizer)) {
          finalizer();
      }
      else {
          finalizer.unsubscribe();
      }
  }

  var config = {
      onUnhandledError: null,
      onStoppedNotification: null,
      Promise: undefined,
      useDeprecatedSynchronousErrorHandling: false,
      useDeprecatedNextContext: false,
  };

  var timeoutProvider = {
      setTimeout: function (handler, timeout) {
          var args = [];
          for (var _i = 2; _i < arguments.length; _i++) {
              args[_i - 2] = arguments[_i];
          }
          var delegate = timeoutProvider.delegate;
          if (delegate === null || delegate === void 0 ? void 0 : delegate.setTimeout) {
              return delegate.setTimeout.apply(delegate, __spreadArray([handler, timeout], __read(args)));
          }
          return setTimeout.apply(void 0, __spreadArray([handler, timeout], __read(args)));
      },
      clearTimeout: function (handle) {
          var delegate = timeoutProvider.delegate;
          return ((delegate === null || delegate === void 0 ? void 0 : delegate.clearTimeout) || clearTimeout)(handle);
      },
      delegate: undefined,
  };

  function reportUnhandledError(err) {
      timeoutProvider.setTimeout(function () {
          {
              throw err;
          }
      });
  }

  function noop() { }

  function errorContext(cb) {
      {
          cb();
      }
  }

  var Subscriber = (function (_super) {
      __extends(Subscriber, _super);
      function Subscriber(destination) {
          var _this = _super.call(this) || this;
          _this.isStopped = false;
          if (destination) {
              _this.destination = destination;
              if (isSubscription(destination)) {
                  destination.add(_this);
              }
          }
          else {
              _this.destination = EMPTY_OBSERVER;
          }
          return _this;
      }
      Subscriber.create = function (next, error, complete) {
          return new SafeSubscriber(next, error, complete);
      };
      Subscriber.prototype.next = function (value) {
          if (this.isStopped) ;
          else {
              this._next(value);
          }
      };
      Subscriber.prototype.error = function (err) {
          if (this.isStopped) ;
          else {
              this.isStopped = true;
              this._error(err);
          }
      };
      Subscriber.prototype.complete = function () {
          if (this.isStopped) ;
          else {
              this.isStopped = true;
              this._complete();
          }
      };
      Subscriber.prototype.unsubscribe = function () {
          if (!this.closed) {
              this.isStopped = true;
              _super.prototype.unsubscribe.call(this);
              this.destination = null;
          }
      };
      Subscriber.prototype._next = function (value) {
          this.destination.next(value);
      };
      Subscriber.prototype._error = function (err) {
          try {
              this.destination.error(err);
          }
          finally {
              this.unsubscribe();
          }
      };
      Subscriber.prototype._complete = function () {
          try {
              this.destination.complete();
          }
          finally {
              this.unsubscribe();
          }
      };
      return Subscriber;
  }(Subscription));
  var _bind = Function.prototype.bind;
  function bind$2(fn, thisArg) {
      return _bind.call(fn, thisArg);
  }
  var ConsumerObserver = (function () {
      function ConsumerObserver(partialObserver) {
          this.partialObserver = partialObserver;
      }
      ConsumerObserver.prototype.next = function (value) {
          var partialObserver = this.partialObserver;
          if (partialObserver.next) {
              try {
                  partialObserver.next(value);
              }
              catch (error) {
                  handleUnhandledError(error);
              }
          }
      };
      ConsumerObserver.prototype.error = function (err) {
          var partialObserver = this.partialObserver;
          if (partialObserver.error) {
              try {
                  partialObserver.error(err);
              }
              catch (error) {
                  handleUnhandledError(error);
              }
          }
          else {
              handleUnhandledError(err);
          }
      };
      ConsumerObserver.prototype.complete = function () {
          var partialObserver = this.partialObserver;
          if (partialObserver.complete) {
              try {
                  partialObserver.complete();
              }
              catch (error) {
                  handleUnhandledError(error);
              }
          }
      };
      return ConsumerObserver;
  }());
  var SafeSubscriber = (function (_super) {
      __extends(SafeSubscriber, _super);
      function SafeSubscriber(observerOrNext, error, complete) {
          var _this = _super.call(this) || this;
          var partialObserver;
          if (isFunction$2(observerOrNext) || !observerOrNext) {
              partialObserver = {
                  next: (observerOrNext !== null && observerOrNext !== void 0 ? observerOrNext : undefined),
                  error: error !== null && error !== void 0 ? error : undefined,
                  complete: complete !== null && complete !== void 0 ? complete : undefined,
              };
          }
          else {
              var context_1;
              if (_this && config.useDeprecatedNextContext) {
                  context_1 = Object.create(observerOrNext);
                  context_1.unsubscribe = function () { return _this.unsubscribe(); };
                  partialObserver = {
                      next: observerOrNext.next && bind$2(observerOrNext.next, context_1),
                      error: observerOrNext.error && bind$2(observerOrNext.error, context_1),
                      complete: observerOrNext.complete && bind$2(observerOrNext.complete, context_1),
                  };
              }
              else {
                  partialObserver = observerOrNext;
              }
          }
          _this.destination = new ConsumerObserver(partialObserver);
          return _this;
      }
      return SafeSubscriber;
  }(Subscriber));
  function handleUnhandledError(error) {
      {
          reportUnhandledError(error);
      }
  }
  function defaultErrorHandler(err) {
      throw err;
  }
  var EMPTY_OBSERVER = {
      closed: true,
      next: noop,
      error: defaultErrorHandler,
      complete: noop,
  };

  var observable = (function () { return (typeof Symbol === 'function' && Symbol.observable) || '@@observable'; })();

  function identity(x) {
      return x;
  }

  function pipeFromArray(fns) {
      if (fns.length === 0) {
          return identity;
      }
      if (fns.length === 1) {
          return fns[0];
      }
      return function piped(input) {
          return fns.reduce(function (prev, fn) { return fn(prev); }, input);
      };
  }

  var Observable = (function () {
      function Observable(subscribe) {
          if (subscribe) {
              this._subscribe = subscribe;
          }
      }
      Observable.prototype.lift = function (operator) {
          var observable = new Observable();
          observable.source = this;
          observable.operator = operator;
          return observable;
      };
      Observable.prototype.subscribe = function (observerOrNext, error, complete) {
          var _this = this;
          var subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);
          errorContext(function () {
              var _a = _this, operator = _a.operator, source = _a.source;
              subscriber.add(operator
                  ?
                      operator.call(subscriber, source)
                  : source
                      ?
                          _this._subscribe(subscriber)
                      :
                          _this._trySubscribe(subscriber));
          });
          return subscriber;
      };
      Observable.prototype._trySubscribe = function (sink) {
          try {
              return this._subscribe(sink);
          }
          catch (err) {
              sink.error(err);
          }
      };
      Observable.prototype.forEach = function (next, promiseCtor) {
          var _this = this;
          promiseCtor = getPromiseCtor(promiseCtor);
          return new promiseCtor(function (resolve, reject) {
              var subscriber = new SafeSubscriber({
                  next: function (value) {
                      try {
                          next(value);
                      }
                      catch (err) {
                          reject(err);
                          subscriber.unsubscribe();
                      }
                  },
                  error: reject,
                  complete: resolve,
              });
              _this.subscribe(subscriber);
          });
      };
      Observable.prototype._subscribe = function (subscriber) {
          var _a;
          return (_a = this.source) === null || _a === void 0 ? void 0 : _a.subscribe(subscriber);
      };
      Observable.prototype[observable] = function () {
          return this;
      };
      Observable.prototype.pipe = function () {
          var operations = [];
          for (var _i = 0; _i < arguments.length; _i++) {
              operations[_i] = arguments[_i];
          }
          return pipeFromArray(operations)(this);
      };
      Observable.prototype.toPromise = function (promiseCtor) {
          var _this = this;
          promiseCtor = getPromiseCtor(promiseCtor);
          return new promiseCtor(function (resolve, reject) {
              var value;
              _this.subscribe(function (x) { return (value = x); }, function (err) { return reject(err); }, function () { return resolve(value); });
          });
      };
      Observable.create = function (subscribe) {
          return new Observable(subscribe);
      };
      return Observable;
  }());
  function getPromiseCtor(promiseCtor) {
      var _a;
      return (_a = promiseCtor !== null && promiseCtor !== void 0 ? promiseCtor : config.Promise) !== null && _a !== void 0 ? _a : Promise;
  }
  function isObserver(value) {
      return value && isFunction$2(value.next) && isFunction$2(value.error) && isFunction$2(value.complete);
  }
  function isSubscriber(value) {
      return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));
  }

  function hasLift(source) {
      return isFunction$2(source === null || source === void 0 ? void 0 : source.lift);
  }
  function operate(init) {
      return function (source) {
          if (hasLift(source)) {
              return source.lift(function (liftedSource) {
                  try {
                      return init(liftedSource, this);
                  }
                  catch (err) {
                      this.error(err);
                  }
              });
          }
          throw new TypeError('Unable to lift unknown Observable type');
      };
  }

  function createOperatorSubscriber(destination, onNext, onComplete, onError, onFinalize) {
      return new OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize);
  }
  var OperatorSubscriber = (function (_super) {
      __extends(OperatorSubscriber, _super);
      function OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize, shouldUnsubscribe) {
          var _this = _super.call(this, destination) || this;
          _this.onFinalize = onFinalize;
          _this.shouldUnsubscribe = shouldUnsubscribe;
          _this._next = onNext
              ? function (value) {
                  try {
                      onNext(value);
                  }
                  catch (err) {
                      destination.error(err);
                  }
              }
              : _super.prototype._next;
          _this._error = onError
              ? function (err) {
                  try {
                      onError(err);
                  }
                  catch (err) {
                      destination.error(err);
                  }
                  finally {
                      this.unsubscribe();
                  }
              }
              : _super.prototype._error;
          _this._complete = onComplete
              ? function () {
                  try {
                      onComplete();
                  }
                  catch (err) {
                      destination.error(err);
                  }
                  finally {
                      this.unsubscribe();
                  }
              }
              : _super.prototype._complete;
          return _this;
      }
      OperatorSubscriber.prototype.unsubscribe = function () {
          var _a;
          if (!this.shouldUnsubscribe || this.shouldUnsubscribe()) {
              var closed_1 = this.closed;
              _super.prototype.unsubscribe.call(this);
              !closed_1 && ((_a = this.onFinalize) === null || _a === void 0 ? void 0 : _a.call(this));
          }
      };
      return OperatorSubscriber;
  }(Subscriber));

  var ObjectUnsubscribedError = createErrorClass(function (_super) {
      return function ObjectUnsubscribedErrorImpl() {
          _super(this);
          this.name = 'ObjectUnsubscribedError';
          this.message = 'object unsubscribed';
      };
  });

  var Subject = (function (_super) {
      __extends(Subject, _super);
      function Subject() {
          var _this = _super.call(this) || this;
          _this.closed = false;
          _this.currentObservers = null;
          _this.observers = [];
          _this.isStopped = false;
          _this.hasError = false;
          _this.thrownError = null;
          return _this;
      }
      Subject.prototype.lift = function (operator) {
          var subject = new AnonymousSubject(this, this);
          subject.operator = operator;
          return subject;
      };
      Subject.prototype._throwIfClosed = function () {
          if (this.closed) {
              throw new ObjectUnsubscribedError();
          }
      };
      Subject.prototype.next = function (value) {
          var _this = this;
          errorContext(function () {
              var e_1, _a;
              _this._throwIfClosed();
              if (!_this.isStopped) {
                  if (!_this.currentObservers) {
                      _this.currentObservers = Array.from(_this.observers);
                  }
                  try {
                      for (var _b = __values(_this.currentObservers), _c = _b.next(); !_c.done; _c = _b.next()) {
                          var observer = _c.value;
                          observer.next(value);
                      }
                  }
                  catch (e_1_1) { e_1 = { error: e_1_1 }; }
                  finally {
                      try {
                          if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
                      }
                      finally { if (e_1) throw e_1.error; }
                  }
              }
          });
      };
      Subject.prototype.error = function (err) {
          var _this = this;
          errorContext(function () {
              _this._throwIfClosed();
              if (!_this.isStopped) {
                  _this.hasError = _this.isStopped = true;
                  _this.thrownError = err;
                  var observers = _this.observers;
                  while (observers.length) {
                      observers.shift().error(err);
                  }
              }
          });
      };
      Subject.prototype.complete = function () {
          var _this = this;
          errorContext(function () {
              _this._throwIfClosed();
              if (!_this.isStopped) {
                  _this.isStopped = true;
                  var observers = _this.observers;
                  while (observers.length) {
                      observers.shift().complete();
                  }
              }
          });
      };
      Subject.prototype.unsubscribe = function () {
          this.isStopped = this.closed = true;
          this.observers = this.currentObservers = null;
      };
      Object.defineProperty(Subject.prototype, "observed", {
          get: function () {
              var _a;
              return ((_a = this.observers) === null || _a === void 0 ? void 0 : _a.length) > 0;
          },
          enumerable: false,
          configurable: true
      });
      Subject.prototype._trySubscribe = function (subscriber) {
          this._throwIfClosed();
          return _super.prototype._trySubscribe.call(this, subscriber);
      };
      Subject.prototype._subscribe = function (subscriber) {
          this._throwIfClosed();
          this._checkFinalizedStatuses(subscriber);
          return this._innerSubscribe(subscriber);
      };
      Subject.prototype._innerSubscribe = function (subscriber) {
          var _this = this;
          var _a = this, hasError = _a.hasError, isStopped = _a.isStopped, observers = _a.observers;
          if (hasError || isStopped) {
              return EMPTY_SUBSCRIPTION;
          }
          this.currentObservers = null;
          observers.push(subscriber);
          return new Subscription(function () {
              _this.currentObservers = null;
              arrRemove(observers, subscriber);
          });
      };
      Subject.prototype._checkFinalizedStatuses = function (subscriber) {
          var _a = this, hasError = _a.hasError, thrownError = _a.thrownError, isStopped = _a.isStopped;
          if (hasError) {
              subscriber.error(thrownError);
          }
          else if (isStopped) {
              subscriber.complete();
          }
      };
      Subject.prototype.asObservable = function () {
          var observable = new Observable();
          observable.source = this;
          return observable;
      };
      Subject.create = function (destination, source) {
          return new AnonymousSubject(destination, source);
      };
      return Subject;
  }(Observable));
  var AnonymousSubject = (function (_super) {
      __extends(AnonymousSubject, _super);
      function AnonymousSubject(destination, source) {
          var _this = _super.call(this) || this;
          _this.destination = destination;
          _this.source = source;
          return _this;
      }
      AnonymousSubject.prototype.next = function (value) {
          var _a, _b;
          (_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.next) === null || _b === void 0 ? void 0 : _b.call(_a, value);
      };
      AnonymousSubject.prototype.error = function (err) {
          var _a, _b;
          (_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.error) === null || _b === void 0 ? void 0 : _b.call(_a, err);
      };
      AnonymousSubject.prototype.complete = function () {
          var _a, _b;
          (_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.complete) === null || _b === void 0 ? void 0 : _b.call(_a);
      };
      AnonymousSubject.prototype._subscribe = function (subscriber) {
          var _a, _b;
          return (_b = (_a = this.source) === null || _a === void 0 ? void 0 : _a.subscribe(subscriber)) !== null && _b !== void 0 ? _b : EMPTY_SUBSCRIPTION;
      };
      return AnonymousSubject;
  }(Subject));

  var BehaviorSubject = (function (_super) {
      __extends(BehaviorSubject, _super);
      function BehaviorSubject(_value) {
          var _this = _super.call(this) || this;
          _this._value = _value;
          return _this;
      }
      Object.defineProperty(BehaviorSubject.prototype, "value", {
          get: function () {
              return this.getValue();
          },
          enumerable: false,
          configurable: true
      });
      BehaviorSubject.prototype._subscribe = function (subscriber) {
          var subscription = _super.prototype._subscribe.call(this, subscriber);
          !subscription.closed && subscriber.next(this._value);
          return subscription;
      };
      BehaviorSubject.prototype.getValue = function () {
          var _a = this, hasError = _a.hasError, thrownError = _a.thrownError, _value = _a._value;
          if (hasError) {
              throw thrownError;
          }
          this._throwIfClosed();
          return _value;
      };
      BehaviorSubject.prototype.next = function (value) {
          _super.prototype.next.call(this, (this._value = value));
      };
      return BehaviorSubject;
  }(Subject));

  function isScheduler(value) {
      return value && isFunction$2(value.schedule);
  }

  function last(arr) {
      return arr[arr.length - 1];
  }
  function popResultSelector(args) {
      return isFunction$2(last(args)) ? args.pop() : undefined;
  }
  function popScheduler(args) {
      return isScheduler(last(args)) ? args.pop() : undefined;
  }

  var isArrayLike = (function (x) { return x && typeof x.length === 'number' && typeof x !== 'function'; });

  function isPromise(value) {
      return isFunction$2(value === null || value === void 0 ? void 0 : value.then);
  }

  function isInteropObservable(input) {
      return isFunction$2(input[observable]);
  }

  function isAsyncIterable(obj) {
      return Symbol.asyncIterator && isFunction$2(obj === null || obj === void 0 ? void 0 : obj[Symbol.asyncIterator]);
  }

  function createInvalidObservableTypeError(input) {
      return new TypeError("You provided " + (input !== null && typeof input === 'object' ? 'an invalid object' : "'" + input + "'") + " where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.");
  }

  function getSymbolIterator() {
      if (typeof Symbol !== 'function' || !Symbol.iterator) {
          return '@@iterator';
      }
      return Symbol.iterator;
  }
  var iterator = getSymbolIterator();

  function isIterable(input) {
      return isFunction$2(input === null || input === void 0 ? void 0 : input[iterator]);
  }

  function readableStreamLikeToAsyncGenerator(readableStream) {
      return __asyncGenerator(this, arguments, function readableStreamLikeToAsyncGenerator_1() {
          var reader, _a, value, done;
          return __generator(this, function (_b) {
              switch (_b.label) {
                  case 0:
                      reader = readableStream.getReader();
                      _b.label = 1;
                  case 1:
                      _b.trys.push([1, , 9, 10]);
                      _b.label = 2;
                  case 2:
                      return [4, __await(reader.read())];
                  case 3:
                      _a = _b.sent(), value = _a.value, done = _a.done;
                      if (!done) return [3, 5];
                      return [4, __await(void 0)];
                  case 4: return [2, _b.sent()];
                  case 5: return [4, __await(value)];
                  case 6: return [4, _b.sent()];
                  case 7:
                      _b.sent();
                      return [3, 2];
                  case 8: return [3, 10];
                  case 9:
                      reader.releaseLock();
                      return [7];
                  case 10: return [2];
              }
          });
      });
  }
  function isReadableStreamLike(obj) {
      return isFunction$2(obj === null || obj === void 0 ? void 0 : obj.getReader);
  }

  function innerFrom(input) {
      if (input instanceof Observable) {
          return input;
      }
      if (input != null) {
          if (isInteropObservable(input)) {
              return fromInteropObservable(input);
          }
          if (isArrayLike(input)) {
              return fromArrayLike(input);
          }
          if (isPromise(input)) {
              return fromPromise(input);
          }
          if (isAsyncIterable(input)) {
              return fromAsyncIterable(input);
          }
          if (isIterable(input)) {
              return fromIterable(input);
          }
          if (isReadableStreamLike(input)) {
              return fromReadableStreamLike(input);
          }
      }
      throw createInvalidObservableTypeError(input);
  }
  function fromInteropObservable(obj) {
      return new Observable(function (subscriber) {
          var obs = obj[observable]();
          if (isFunction$2(obs.subscribe)) {
              return obs.subscribe(subscriber);
          }
          throw new TypeError('Provided object does not correctly implement Symbol.observable');
      });
  }
  function fromArrayLike(array) {
      return new Observable(function (subscriber) {
          for (var i = 0; i < array.length && !subscriber.closed; i++) {
              subscriber.next(array[i]);
          }
          subscriber.complete();
      });
  }
  function fromPromise(promise) {
      return new Observable(function (subscriber) {
          promise
              .then(function (value) {
              if (!subscriber.closed) {
                  subscriber.next(value);
                  subscriber.complete();
              }
          }, function (err) { return subscriber.error(err); })
              .then(null, reportUnhandledError);
      });
  }
  function fromIterable(iterable) {
      return new Observable(function (subscriber) {
          var e_1, _a;
          try {
              for (var iterable_1 = __values(iterable), iterable_1_1 = iterable_1.next(); !iterable_1_1.done; iterable_1_1 = iterable_1.next()) {
                  var value = iterable_1_1.value;
                  subscriber.next(value);
                  if (subscriber.closed) {
                      return;
                  }
              }
          }
          catch (e_1_1) { e_1 = { error: e_1_1 }; }
          finally {
              try {
                  if (iterable_1_1 && !iterable_1_1.done && (_a = iterable_1.return)) _a.call(iterable_1);
              }
              finally { if (e_1) throw e_1.error; }
          }
          subscriber.complete();
      });
  }
  function fromAsyncIterable(asyncIterable) {
      return new Observable(function (subscriber) {
          process(asyncIterable, subscriber).catch(function (err) { return subscriber.error(err); });
      });
  }
  function fromReadableStreamLike(readableStream) {
      return fromAsyncIterable(readableStreamLikeToAsyncGenerator(readableStream));
  }
  function process(asyncIterable, subscriber) {
      var asyncIterable_1, asyncIterable_1_1;
      var e_2, _a;
      return __awaiter(this, void 0, void 0, function () {
          var value, e_2_1;
          return __generator(this, function (_b) {
              switch (_b.label) {
                  case 0:
                      _b.trys.push([0, 5, 6, 11]);
                      asyncIterable_1 = __asyncValues(asyncIterable);
                      _b.label = 1;
                  case 1: return [4, asyncIterable_1.next()];
                  case 2:
                      if (!(asyncIterable_1_1 = _b.sent(), !asyncIterable_1_1.done)) return [3, 4];
                      value = asyncIterable_1_1.value;
                      subscriber.next(value);
                      if (subscriber.closed) {
                          return [2];
                      }
                      _b.label = 3;
                  case 3: return [3, 1];
                  case 4: return [3, 11];
                  case 5:
                      e_2_1 = _b.sent();
                      e_2 = { error: e_2_1 };
                      return [3, 11];
                  case 6:
                      _b.trys.push([6, , 9, 10]);
                      if (!(asyncIterable_1_1 && !asyncIterable_1_1.done && (_a = asyncIterable_1.return))) return [3, 8];
                      return [4, _a.call(asyncIterable_1)];
                  case 7:
                      _b.sent();
                      _b.label = 8;
                  case 8: return [3, 10];
                  case 9:
                      if (e_2) throw e_2.error;
                      return [7];
                  case 10: return [7];
                  case 11:
                      subscriber.complete();
                      return [2];
              }
          });
      });
  }

  function executeSchedule(parentSubscription, scheduler, work, delay, repeat) {
      if (delay === void 0) { delay = 0; }
      if (repeat === void 0) { repeat = false; }
      var scheduleSubscription = scheduler.schedule(function () {
          work();
          if (repeat) {
              parentSubscription.add(this.schedule(null, delay));
          }
          else {
              this.unsubscribe();
          }
      }, delay);
      parentSubscription.add(scheduleSubscription);
      if (!repeat) {
          return scheduleSubscription;
      }
  }

  function observeOn(scheduler, delay) {
      if (delay === void 0) { delay = 0; }
      return operate(function (source, subscriber) {
          source.subscribe(createOperatorSubscriber(subscriber, function (value) { return executeSchedule(subscriber, scheduler, function () { return subscriber.next(value); }, delay); }, function () { return executeSchedule(subscriber, scheduler, function () { return subscriber.complete(); }, delay); }, function (err) { return executeSchedule(subscriber, scheduler, function () { return subscriber.error(err); }, delay); }));
      });
  }

  function subscribeOn(scheduler, delay) {
      if (delay === void 0) { delay = 0; }
      return operate(function (source, subscriber) {
          subscriber.add(scheduler.schedule(function () { return source.subscribe(subscriber); }, delay));
      });
  }

  function scheduleObservable(input, scheduler) {
      return innerFrom(input).pipe(subscribeOn(scheduler), observeOn(scheduler));
  }

  function schedulePromise(input, scheduler) {
      return innerFrom(input).pipe(subscribeOn(scheduler), observeOn(scheduler));
  }

  function scheduleArray(input, scheduler) {
      return new Observable(function (subscriber) {
          var i = 0;
          return scheduler.schedule(function () {
              if (i === input.length) {
                  subscriber.complete();
              }
              else {
                  subscriber.next(input[i++]);
                  if (!subscriber.closed) {
                      this.schedule();
                  }
              }
          });
      });
  }

  function scheduleIterable(input, scheduler) {
      return new Observable(function (subscriber) {
          var iterator$1;
          executeSchedule(subscriber, scheduler, function () {
              iterator$1 = input[iterator]();
              executeSchedule(subscriber, scheduler, function () {
                  var _a;
                  var value;
                  var done;
                  try {
                      (_a = iterator$1.next(), value = _a.value, done = _a.done);
                  }
                  catch (err) {
                      subscriber.error(err);
                      return;
                  }
                  if (done) {
                      subscriber.complete();
                  }
                  else {
                      subscriber.next(value);
                  }
              }, 0, true);
          });
          return function () { return isFunction$2(iterator$1 === null || iterator$1 === void 0 ? void 0 : iterator$1.return) && iterator$1.return(); };
      });
  }

  function scheduleAsyncIterable(input, scheduler) {
      if (!input) {
          throw new Error('Iterable cannot be null');
      }
      return new Observable(function (subscriber) {
          executeSchedule(subscriber, scheduler, function () {
              var iterator = input[Symbol.asyncIterator]();
              executeSchedule(subscriber, scheduler, function () {
                  iterator.next().then(function (result) {
                      if (result.done) {
                          subscriber.complete();
                      }
                      else {
                          subscriber.next(result.value);
                      }
                  });
              }, 0, true);
          });
      });
  }

  function scheduleReadableStreamLike(input, scheduler) {
      return scheduleAsyncIterable(readableStreamLikeToAsyncGenerator(input), scheduler);
  }

  function scheduled(input, scheduler) {
      if (input != null) {
          if (isInteropObservable(input)) {
              return scheduleObservable(input, scheduler);
          }
          if (isArrayLike(input)) {
              return scheduleArray(input, scheduler);
          }
          if (isPromise(input)) {
              return schedulePromise(input, scheduler);
          }
          if (isAsyncIterable(input)) {
              return scheduleAsyncIterable(input, scheduler);
          }
          if (isIterable(input)) {
              return scheduleIterable(input, scheduler);
          }
          if (isReadableStreamLike(input)) {
              return scheduleReadableStreamLike(input, scheduler);
          }
      }
      throw createInvalidObservableTypeError(input);
  }

  function from(input, scheduler) {
      return scheduler ? scheduled(input, scheduler) : innerFrom(input);
  }

  function map$1(project, thisArg) {
      return operate(function (source, subscriber) {
          var index = 0;
          source.subscribe(createOperatorSubscriber(subscriber, function (value) {
              subscriber.next(project.call(thisArg, value, index++));
          }));
      });
  }

  var isArray$1 = Array.isArray;
  function callOrApply(fn, args) {
      return isArray$1(args) ? fn.apply(void 0, __spreadArray([], __read(args))) : fn(args);
  }
  function mapOneOrManyArgs(fn) {
      return map$1(function (args) { return callOrApply(fn, args); });
  }

  var isArray = Array.isArray;
  var getPrototypeOf = Object.getPrototypeOf, objectProto = Object.prototype, getKeys = Object.keys;
  function argsArgArrayOrObject(args) {
      if (args.length === 1) {
          var first_1 = args[0];
          if (isArray(first_1)) {
              return { args: first_1, keys: null };
          }
          if (isPOJO(first_1)) {
              var keys = getKeys(first_1);
              return {
                  args: keys.map(function (key) { return first_1[key]; }),
                  keys: keys,
              };
          }
      }
      return { args: args, keys: null };
  }
  function isPOJO(obj) {
      return obj && typeof obj === 'object' && getPrototypeOf(obj) === objectProto;
  }

  function createObject(keys, values) {
      return keys.reduce(function (result, key, i) { return ((result[key] = values[i]), result); }, {});
  }

  function combineLatest() {
      var args = [];
      for (var _i = 0; _i < arguments.length; _i++) {
          args[_i] = arguments[_i];
      }
      var scheduler = popScheduler(args);
      var resultSelector = popResultSelector(args);
      var _a = argsArgArrayOrObject(args), observables = _a.args, keys = _a.keys;
      if (observables.length === 0) {
          return from([], scheduler);
      }
      var result = new Observable(combineLatestInit(observables, scheduler, keys
          ?
              function (values) { return createObject(keys, values); }
          :
              identity));
      return resultSelector ? result.pipe(mapOneOrManyArgs(resultSelector)) : result;
  }
  function combineLatestInit(observables, scheduler, valueTransform) {
      if (valueTransform === void 0) { valueTransform = identity; }
      return function (subscriber) {
          maybeSchedule(scheduler, function () {
              var length = observables.length;
              var values = new Array(length);
              var active = length;
              var remainingFirstValues = length;
              var _loop_1 = function (i) {
                  maybeSchedule(scheduler, function () {
                      var source = from(observables[i], scheduler);
                      var hasFirstValue = false;
                      source.subscribe(createOperatorSubscriber(subscriber, function (value) {
                          values[i] = value;
                          if (!hasFirstValue) {
                              hasFirstValue = true;
                              remainingFirstValues--;
                          }
                          if (!remainingFirstValues) {
                              subscriber.next(valueTransform(values.slice()));
                          }
                      }, function () {
                          if (!--active) {
                              subscriber.complete();
                          }
                      }));
                  }, subscriber);
              };
              for (var i = 0; i < length; i++) {
                  _loop_1(i);
              }
          }, subscriber);
      };
  }
  function maybeSchedule(scheduler, execute, subscription) {
      if (scheduler) {
          executeSchedule(subscription, scheduler, execute);
      }
      else {
          execute();
      }
  }

  const subject = new BehaviorSubject(false);
  const env = {
      isDevelopment: () => subject.getValue(),
      set: (isDevelopment) => {
          subject.next(isDevelopment);
      },
      subject
  };

  const ACCOUNT_PREFIX = 'account:';
  const ADDRESS_PREFIX = 'address:';
  const CONTRACT_PREFIX = 'contract:';
  function toHex(address) {
      return util$7.u8aToHex(
      keyring$1.decodeAddress(address, true));
  }
  function accountKey(address) {
      return `${ACCOUNT_PREFIX}${toHex(address)}`;
  }
  function addressKey(address) {
      return `${ADDRESS_PREFIX}${toHex(address)}`;
  }
  function contractKey(address) {
      return `${CONTRACT_PREFIX}${toHex(address)}`;
  }
  const accountRegex = new RegExp(`^${ACCOUNT_PREFIX}0x[0-9a-f]*`, '');
  const addressRegex = new RegExp(`^${ADDRESS_PREFIX}0x[0-9a-f]*`, '');
  const contractRegex = new RegExp(`^${CONTRACT_PREFIX}0x[0-9a-f]*`, '');

  function createOptionItem(address, _name) {
      const name = util$7.isUndefined(_name)
          ? ((address.length > 15)
              ? `${address.slice(0, 6)}…${address.slice(-6)}`
              : address)
          : _name;
      return {
          key: address,
          name,
          value: address
      };
  }

  function callNext(current, subject, withTest) {
      const isDevMode = env.isDevelopment();
      const filtered = {};
      Object.keys(current).forEach((key) => {
          const { json: { meta: { isTesting = false } = {} } = {} } = current[key];
          if (!withTest || isDevMode || isTesting !== true) {
              filtered[key] = current[key];
          }
      });
      subject.next(filtered);
  }
  function genericSubject(keyCreator, withTest = false) {
      let current = {};
      const subject = new BehaviorSubject({});
      const next = () => callNext(current, subject, withTest);
      env.subject.subscribe(next);
      return {
          add: (store, address, json, type) => {
              current = util$7.objectCopy(current);
              current[address] = {
                  json: util$7.objectSpread({}, json, { address }),
                  option: createOptionItem(address, json.meta.name),
                  type
              };
              if (!json.meta.isInjected && (!json.meta.isTesting || env.isDevelopment())) {
                  store.set(keyCreator(address), json);
              }
              next();
              return current[address];
          },
          remove: (store, address) => {
              current = util$7.objectCopy(current);
              delete current[address];
              store.remove(keyCreator(address));
              next();
          },
          subject
      };
  }

  const accounts =  genericSubject(accountKey, true);

  const addresses =  genericSubject(addressKey);

  const contracts =  genericSubject(contractKey);

  const obervableAll =  combineLatest([
      accounts.subject,
      addresses.subject,
      contracts.subject
  ]).pipe(map$1(([accounts, addresses, contracts]) => ({
      accounts,
      addresses,
      contracts
  })));

  let hasCalledInitOptions = false;
  const sortByName = (a, b) => {
      const valueA = a.option.name;
      const valueB = b.option.name;
      return valueA.localeCompare(valueB);
  };
  const sortByCreated = (a, b) => {
      const valueA = a.json.meta.whenCreated || 0;
      const valueB = b.json.meta.whenCreated || 0;
      if (valueA < valueB) {
          return 1;
      }
      if (valueA > valueB) {
          return -1;
      }
      return 0;
  };
  class KeyringOption {
      __internal__allSub = null;
      optionsSubject = new BehaviorSubject(this.emptyOptions());
      createOptionHeader(name) {
          return {
              key: `header-${name.toLowerCase()}`,
              name,
              value: null
          };
      }
      init(keyring) {
          if (hasCalledInitOptions) {
              throw new Error('Unable to initialise options more than once');
          }
          this.__internal__allSub = obervableAll.subscribe(() => {
              const opts = this.emptyOptions();
              this.addAccounts(keyring, opts);
              this.addAddresses(keyring, opts);
              this.addContracts(keyring, opts);
              opts.address = this.linkItems({ Addresses: opts.address, Recent: opts.recent });
              opts.account = this.linkItems({ Accounts: opts.account, Development: opts.testing });
              opts.contract = this.linkItems({ Contracts: opts.contract });
              opts.all = [].concat(opts.account, opts.address);
              opts.allPlus = [].concat(opts.account, opts.address, opts.contract);
              this.optionsSubject.next(opts);
          });
          hasCalledInitOptions = true;
      }
      clear() {
          if (this.__internal__allSub) {
              this.__internal__allSub.unsubscribe();
          }
      }
      linkItems(items) {
          return Object.keys(items).reduce((result, header) => {
              const options = items[header];
              return result.concat(options.length
                  ? [this.createOptionHeader(header)]
                  : [], options);
          }, []);
      }
      addAccounts(keyring, options) {
          const available = keyring.accounts.subject.getValue();
          Object
              .values(available)
              .sort(sortByName)
              .forEach(({ json: { meta: { isTesting = false } }, option }) => {
              if (!isTesting) {
                  options.account.push(option);
              }
              else {
                  options.testing.push(option);
              }
          });
      }
      addAddresses(keyring, options) {
          const available = keyring.addresses.subject.getValue();
          Object
              .values(available)
              .filter(({ json }) => !!json.meta.isRecent)
              .sort(sortByCreated)
              .forEach(({ option }) => {
              options.recent.push(option);
          });
          Object
              .values(available)
              .filter(({ json }) => !json.meta.isRecent)
              .sort(sortByName)
              .forEach(({ option }) => {
              options.address.push(option);
          });
      }
      addContracts(keyring, options) {
          const available = keyring.contracts.subject.getValue();
          Object
              .values(available)
              .sort(sortByName)
              .forEach(({ option }) => {
              options.contract.push(option);
          });
      }
      emptyOptions() {
          return {
              account: [],
              address: [],
              all: [],
              allPlus: [],
              contract: [],
              recent: [],
              testing: []
          };
      }
  }

  var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

  function getDefaultExportFromCjs (x) {
  	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
  }

  var assign = make_assign();
  var create$1 = make_create();
  var trim$1 = make_trim();
  var Global$5 = (typeof window !== 'undefined' ? window : commonjsGlobal);
  var util$6 = {
  	assign: assign,
  	create: create$1,
  	trim: trim$1,
  	bind: bind$1,
  	slice: slice$1,
  	each: each$7,
  	map: map,
  	pluck: pluck$1,
  	isList: isList$1,
  	isFunction: isFunction$1,
  	isObject: isObject$1,
  	Global: Global$5
  };
  function make_assign() {
  	if (Object.assign) {
  		return Object.assign
  	} else {
  		return function shimAssign(obj, props1, props2, etc) {
  			for (var i = 1; i < arguments.length; i++) {
  				each$7(Object(arguments[i]), function(val, key) {
  					obj[key] = val;
  				});
  			}
  			return obj
  		}
  	}
  }
  function make_create() {
  	if (Object.create) {
  		return function create(obj, assignProps1, assignProps2, etc) {
  			var assignArgsList = slice$1(arguments, 1);
  			return assign.apply(this, [Object.create(obj)].concat(assignArgsList))
  		}
  	} else {
  		function F() {}
  		return function create(obj, assignProps1, assignProps2, etc) {
  			var assignArgsList = slice$1(arguments, 1);
  			F.prototype = obj;
  			return assign.apply(this, [new F()].concat(assignArgsList))
  		}
  	}
  }
  function make_trim() {
  	if (String.prototype.trim) {
  		return function trim(str) {
  			return String.prototype.trim.call(str)
  		}
  	} else {
  		return function trim(str) {
  			return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '')
  		}
  	}
  }
  function bind$1(obj, fn) {
  	return function() {
  		return fn.apply(obj, Array.prototype.slice.call(arguments, 0))
  	}
  }
  function slice$1(arr, index) {
  	return Array.prototype.slice.call(arr, index || 0)
  }
  function each$7(obj, fn) {
  	pluck$1(obj, function(val, key) {
  		fn(val, key);
  		return false
  	});
  }
  function map(obj, fn) {
  	var res = (isList$1(obj) ? [] : {});
  	pluck$1(obj, function(v, k) {
  		res[k] = fn(v, k);
  		return false
  	});
  	return res
  }
  function pluck$1(obj, fn) {
  	if (isList$1(obj)) {
  		for (var i=0; i<obj.length; i++) {
  			if (fn(obj[i], i)) {
  				return obj[i]
  			}
  		}
  	} else {
  		for (var key in obj) {
  			if (obj.hasOwnProperty(key)) {
  				if (fn(obj[key], key)) {
  					return obj[key]
  				}
  			}
  		}
  	}
  }
  function isList$1(val) {
  	return (val != null && typeof val != 'function' && typeof val.length == 'number')
  }
  function isFunction$1(val) {
  	return val && {}.toString.call(val) === '[object Function]'
  }
  function isObject$1(val) {
  	return val && {}.toString.call(val) === '[object Object]'
  }
  getDefaultExportFromCjs(util$6);

  var util$5 = util$6;
  var slice = util$5.slice;
  var pluck = util$5.pluck;
  var each$6 = util$5.each;
  var bind = util$5.bind;
  var create = util$5.create;
  var isList = util$5.isList;
  var isFunction = util$5.isFunction;
  var isObject = util$5.isObject;
  var storeEngine = {
  	createStore: createStore
  };
  var storeAPI = {
  	version: '2.0.12',
  	enabled: false,
  	get: function(key, optionalDefaultValue) {
  		var data = this.storage.read(this._namespacePrefix + key);
  		return this._deserialize(data, optionalDefaultValue)
  	},
  	set: function(key, value) {
  		if (value === undefined) {
  			return this.remove(key)
  		}
  		this.storage.write(this._namespacePrefix + key, this._serialize(value));
  		return value
  	},
  	remove: function(key) {
  		this.storage.remove(this._namespacePrefix + key);
  	},
  	each: function(callback) {
  		var self = this;
  		this.storage.each(function(val, namespacedKey) {
  			callback.call(self, self._deserialize(val), (namespacedKey || '').replace(self._namespaceRegexp, ''));
  		});
  	},
  	clearAll: function() {
  		this.storage.clearAll();
  	},
  	hasNamespace: function(namespace) {
  		return (this._namespacePrefix == '__storejs_'+namespace+'_')
  	},
  	createStore: function() {
  		return createStore.apply(this, arguments)
  	},
  	addPlugin: function(plugin) {
  		this._addPlugin(plugin);
  	},
  	namespace: function(namespace) {
  		return createStore(this.storage, this.plugins, namespace)
  	}
  };
  function _warn() {
  	var _console = (typeof console == 'undefined' ? null : console);
  	if (!_console) { return }
  	var fn = (_console.warn ? _console.warn : _console.log);
  	fn.apply(_console, arguments);
  }
  function createStore(storages, plugins, namespace) {
  	if (!namespace) {
  		namespace = '';
  	}
  	if (storages && !isList(storages)) {
  		storages = [storages];
  	}
  	if (plugins && !isList(plugins)) {
  		plugins = [plugins];
  	}
  	var namespacePrefix = (namespace ? '__storejs_'+namespace+'_' : '');
  	var namespaceRegexp = (namespace ? new RegExp('^'+namespacePrefix) : null);
  	var legalNamespaces = /^[a-zA-Z0-9_\-]*$/;
  	if (!legalNamespaces.test(namespace)) {
  		throw new Error('store.js namespaces can only have alphanumerics + underscores and dashes')
  	}
  	var _privateStoreProps = {
  		_namespacePrefix: namespacePrefix,
  		_namespaceRegexp: namespaceRegexp,
  		_testStorage: function(storage) {
  			try {
  				var testStr = '__storejs__test__';
  				storage.write(testStr, testStr);
  				var ok = (storage.read(testStr) === testStr);
  				storage.remove(testStr);
  				return ok
  			} catch(e) {
  				return false
  			}
  		},
  		_assignPluginFnProp: function(pluginFnProp, propName) {
  			var oldFn = this[propName];
  			this[propName] = function pluginFn() {
  				var args = slice(arguments, 0);
  				var self = this;
  				function super_fn() {
  					if (!oldFn) { return }
  					each$6(arguments, function(arg, i) {
  						args[i] = arg;
  					});
  					return oldFn.apply(self, args)
  				}
  				var newFnArgs = [super_fn].concat(args);
  				return pluginFnProp.apply(self, newFnArgs)
  			};
  		},
  		_serialize: function(obj) {
  			return JSON.stringify(obj)
  		},
  		_deserialize: function(strVal, defaultVal) {
  			if (!strVal) { return defaultVal }
  			var val = '';
  			try { val = JSON.parse(strVal); }
  			catch(e) { val = strVal; }
  			return (val !== undefined ? val : defaultVal)
  		},
  		_addStorage: function(storage) {
  			if (this.enabled) { return }
  			if (this._testStorage(storage)) {
  				this.storage = storage;
  				this.enabled = true;
  			}
  		},
  		_addPlugin: function(plugin) {
  			var self = this;
  			if (isList(plugin)) {
  				each$6(plugin, function(plugin) {
  					self._addPlugin(plugin);
  				});
  				return
  			}
  			var seenPlugin = pluck(this.plugins, function(seenPlugin) {
  				return (plugin === seenPlugin)
  			});
  			if (seenPlugin) {
  				return
  			}
  			this.plugins.push(plugin);
  			if (!isFunction(plugin)) {
  				throw new Error('Plugins must be function values that return objects')
  			}
  			var pluginProperties = plugin.call(this);
  			if (!isObject(pluginProperties)) {
  				throw new Error('Plugins must return an object of function properties')
  			}
  			each$6(pluginProperties, function(pluginFnProp, propName) {
  				if (!isFunction(pluginFnProp)) {
  					throw new Error('Bad plugin property: '+propName+' from plugin '+plugin.name+'. Plugins should only return functions.')
  				}
  				self._assignPluginFnProp(pluginFnProp, propName);
  			});
  		},
  		addStorage: function(storage) {
  			_warn('store.addStorage(storage) is deprecated. Use createStore([storages])');
  			this._addStorage(storage);
  		}
  	};
  	var store = create(_privateStoreProps, storeAPI, {
  		plugins: []
  	});
  	store.raw = {};
  	each$6(store, function(prop, propName) {
  		if (isFunction(prop)) {
  			store.raw[propName] = bind(store, prop);
  		}
  	});
  	each$6(storages, function(storage) {
  		store._addStorage(storage);
  	});
  	each$6(plugins, function(plugin) {
  		store._addPlugin(plugin);
  	});
  	return store
  }
  getDefaultExportFromCjs(storeEngine);

  var util$4 = util$6;
  var Global$4 = util$4.Global;
  var localStorage_1 = {
  	name: 'localStorage',
  	read: read$5,
  	write: write$5,
  	each: each$5,
  	remove: remove$5,
  	clearAll: clearAll$5,
  };
  function localStorage() {
  	return Global$4.localStorage
  }
  function read$5(key) {
  	return localStorage().getItem(key)
  }
  function write$5(key, data) {
  	return localStorage().setItem(key, data)
  }
  function each$5(fn) {
  	for (var i = localStorage().length - 1; i >= 0; i--) {
  		var key = localStorage().key(i);
  		fn(read$5(key), key);
  	}
  }
  function remove$5(key) {
  	return localStorage().removeItem(key)
  }
  function clearAll$5() {
  	return localStorage().clear()
  }
  getDefaultExportFromCjs(localStorage_1);

  var util$3 = util$6;
  var Global$3 = util$3.Global;
  var oldFFGlobalStorage = {
  	name: 'oldFF-globalStorage',
  	read: read$4,
  	write: write$4,
  	each: each$4,
  	remove: remove$4,
  	clearAll: clearAll$4,
  };
  var globalStorage = Global$3.globalStorage;
  function read$4(key) {
  	return globalStorage[key]
  }
  function write$4(key, data) {
  	globalStorage[key] = data;
  }
  function each$4(fn) {
  	for (var i = globalStorage.length - 1; i >= 0; i--) {
  		var key = globalStorage.key(i);
  		fn(globalStorage[key], key);
  	}
  }
  function remove$4(key) {
  	return globalStorage.removeItem(key)
  }
  function clearAll$4() {
  	each$4(function(key, _) {
  		delete globalStorage[key];
  	});
  }
  getDefaultExportFromCjs(oldFFGlobalStorage);

  var util$2 = util$6;
  var Global$2 = util$2.Global;
  var oldIEUserDataStorage = {
  	name: 'oldIE-userDataStorage',
  	write: write$3,
  	read: read$3,
  	each: each$3,
  	remove: remove$3,
  	clearAll: clearAll$3,
  };
  var storageName = 'storejs';
  var doc$1 = Global$2.document;
  var _withStorageEl = _makeIEStorageElFunction();
  var disable = (Global$2.navigator ? Global$2.navigator.userAgent : '').match(/ (MSIE 8|MSIE 9|MSIE 10)\./);
  function write$3(unfixedKey, data) {
  	if (disable) { return }
  	var fixedKey = fixKey(unfixedKey);
  	_withStorageEl(function(storageEl) {
  		storageEl.setAttribute(fixedKey, data);
  		storageEl.save(storageName);
  	});
  }
  function read$3(unfixedKey) {
  	if (disable) { return }
  	var fixedKey = fixKey(unfixedKey);
  	var res = null;
  	_withStorageEl(function(storageEl) {
  		res = storageEl.getAttribute(fixedKey);
  	});
  	return res
  }
  function each$3(callback) {
  	_withStorageEl(function(storageEl) {
  		var attributes = storageEl.XMLDocument.documentElement.attributes;
  		for (var i=attributes.length-1; i>=0; i--) {
  			var attr = attributes[i];
  			callback(storageEl.getAttribute(attr.name), attr.name);
  		}
  	});
  }
  function remove$3(unfixedKey) {
  	var fixedKey = fixKey(unfixedKey);
  	_withStorageEl(function(storageEl) {
  		storageEl.removeAttribute(fixedKey);
  		storageEl.save(storageName);
  	});
  }
  function clearAll$3() {
  	_withStorageEl(function(storageEl) {
  		var attributes = storageEl.XMLDocument.documentElement.attributes;
  		storageEl.load(storageName);
  		for (var i=attributes.length-1; i>=0; i--) {
  			storageEl.removeAttribute(attributes[i].name);
  		}
  		storageEl.save(storageName);
  	});
  }
  var forbiddenCharsRegex = new RegExp("[!\"#$%&'()*+,/\\\\:;<=>?@[\\]^`{|}~]", "g");
  function fixKey(key) {
  	return key.replace(/^\d/, '___$&').replace(forbiddenCharsRegex, '___')
  }
  function _makeIEStorageElFunction() {
  	if (!doc$1 || !doc$1.documentElement || !doc$1.documentElement.addBehavior) {
  		return null
  	}
  	var scriptTag = 'script',
  		storageOwner,
  		storageContainer,
  		storageEl;
  	try {
  		storageContainer = new ActiveXObject('htmlfile');
  		storageContainer.open();
  		storageContainer.write('<'+scriptTag+'>document.w=window</'+scriptTag+'><iframe src="/favicon.ico"></iframe>');
  		storageContainer.close();
  		storageOwner = storageContainer.w.frames[0].document;
  		storageEl = storageOwner.createElement('div');
  	} catch(e) {
  		storageEl = doc$1.createElement('div');
  		storageOwner = doc$1.body;
  	}
  	return function(storeFunction) {
  		var args = [].slice.call(arguments, 0);
  		args.unshift(storageEl);
  		storageOwner.appendChild(storageEl);
  		storageEl.addBehavior('#default#userData');
  		storageEl.load(storageName);
  		storeFunction.apply(this, args);
  		storageOwner.removeChild(storageEl);
  		return
  	}
  }
  getDefaultExportFromCjs(oldIEUserDataStorage);

  var util$1 = util$6;
  var Global$1 = util$1.Global;
  var trim = util$1.trim;
  var cookieStorage = {
  	name: 'cookieStorage',
  	read: read$2,
  	write: write$2,
  	each: each$2,
  	remove: remove$2,
  	clearAll: clearAll$2,
  };
  var doc = Global$1.document;
  function read$2(key) {
  	if (!key || !_has(key)) { return null }
  	var regexpStr = "(?:^|.*;\\s*)" +
  		escape(key).replace(/[\-\.\+\*]/g, "\\$&") +
  		"\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*";
  	return unescape(doc.cookie.replace(new RegExp(regexpStr), "$1"))
  }
  function each$2(callback) {
  	var cookies = doc.cookie.split(/; ?/g);
  	for (var i = cookies.length - 1; i >= 0; i--) {
  		if (!trim(cookies[i])) {
  			continue
  		}
  		var kvp = cookies[i].split('=');
  		var key = unescape(kvp[0]);
  		var val = unescape(kvp[1]);
  		callback(val, key);
  	}
  }
  function write$2(key, data) {
  	if(!key) { return }
  	doc.cookie = escape(key) + "=" + escape(data) + "; expires=Tue, 19 Jan 2038 03:14:07 GMT; path=/";
  }
  function remove$2(key) {
  	if (!key || !_has(key)) {
  		return
  	}
  	doc.cookie = escape(key) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/";
  }
  function clearAll$2() {
  	each$2(function(_, key) {
  		remove$2(key);
  	});
  }
  function _has(key) {
  	return (new RegExp("(?:^|;\\s*)" + escape(key).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(doc.cookie)
  }
  getDefaultExportFromCjs(cookieStorage);

  var util = util$6;
  var Global = util.Global;
  var sessionStorage_1 = {
  	name: 'sessionStorage',
  	read: read$1,
  	write: write$1,
  	each: each$1,
  	remove: remove$1,
  	clearAll: clearAll$1
  };
  function sessionStorage() {
  	return Global.sessionStorage
  }
  function read$1(key) {
  	return sessionStorage().getItem(key)
  }
  function write$1(key, data) {
  	return sessionStorage().setItem(key, data)
  }
  function each$1(fn) {
  	for (var i = sessionStorage().length - 1; i >= 0; i--) {
  		var key = sessionStorage().key(i);
  		fn(read$1(key), key);
  	}
  }
  function remove$1(key) {
  	return sessionStorage().removeItem(key)
  }
  function clearAll$1() {
  	return sessionStorage().clear()
  }
  getDefaultExportFromCjs(sessionStorage_1);

  var memoryStorage_1 = {
  	name: 'memoryStorage',
  	read: read,
  	write: write,
  	each: each,
  	remove: remove,
  	clearAll: clearAll,
  };
  var memoryStorage = {};
  function read(key) {
  	return memoryStorage[key]
  }
  function write(key, data) {
  	memoryStorage[key] = data;
  }
  function each(callback) {
  	for (var key in memoryStorage) {
  		if (memoryStorage.hasOwnProperty(key)) {
  			callback(memoryStorage[key], key);
  		}
  	}
  }
  function remove(key) {
  	delete memoryStorage[key];
  }
  function clearAll(key) {
  	memoryStorage = {};
  }
  getDefaultExportFromCjs(memoryStorage_1);

  var all = [
  	localStorage_1,
  	oldFFGlobalStorage,
  	oldIEUserDataStorage,
  	cookieStorage,
  	sessionStorage_1,
  	memoryStorage_1
  ];
  getDefaultExportFromCjs(all);

  var json2$1 = {};

  var hasRequiredJson2;
  function requireJson2 () {
  	if (hasRequiredJson2) return json2$1;
  	hasRequiredJson2 = 1;
  	if (typeof JSON !== "object") {
  	    JSON = {};
  	}
  	(function () {
  	    var rx_one = /^[\],:{}\s]*$/;
  	    var rx_two = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
  	    var rx_three = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
  	    var rx_four = /(?:^|:|,)(?:\s*\[)+/g;
  	    var rx_escapable = /[\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
  	    var rx_dangerous = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
  	    function f(n) {
  	        return n < 10
  	            ? "0" + n
  	            : n;
  	    }
  	    function this_value() {
  	        return this.valueOf();
  	    }
  	    if (typeof Date.prototype.toJSON !== "function") {
  	        Date.prototype.toJSON = function () {
  	            return isFinite(this.valueOf())
  	                ? this.getUTCFullYear() + "-" +
  	                        f(this.getUTCMonth() + 1) + "-" +
  	                        f(this.getUTCDate()) + "T" +
  	                        f(this.getUTCHours()) + ":" +
  	                        f(this.getUTCMinutes()) + ":" +
  	                        f(this.getUTCSeconds()) + "Z"
  	                : null;
  	        };
  	        Boolean.prototype.toJSON = this_value;
  	        Number.prototype.toJSON = this_value;
  	        String.prototype.toJSON = this_value;
  	    }
  	    var gap;
  	    var indent;
  	    var meta;
  	    var rep;
  	    function quote(string) {
  	        rx_escapable.lastIndex = 0;
  	        return rx_escapable.test(string)
  	            ? "\"" + string.replace(rx_escapable, function (a) {
  	                var c = meta[a];
  	                return typeof c === "string"
  	                    ? c
  	                    : "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
  	            }) + "\""
  	            : "\"" + string + "\"";
  	    }
  	    function str(key, holder) {
  	        var i;
  	        var k;
  	        var v;
  	        var length;
  	        var mind = gap;
  	        var partial;
  	        var value = holder[key];
  	        if (value && typeof value === "object" &&
  	                typeof value.toJSON === "function") {
  	            value = value.toJSON(key);
  	        }
  	        if (typeof rep === "function") {
  	            value = rep.call(holder, key, value);
  	        }
  	        switch (typeof value) {
  	        case "string":
  	            return quote(value);
  	        case "number":
  	            return isFinite(value)
  	                ? String(value)
  	                : "null";
  	        case "boolean":
  	        case "null":
  	            return String(value);
  	        case "object":
  	            if (!value) {
  	                return "null";
  	            }
  	            gap += indent;
  	            partial = [];
  	            if (Object.prototype.toString.apply(value) === "[object Array]") {
  	                length = value.length;
  	                for (i = 0; i < length; i += 1) {
  	                    partial[i] = str(i, value) || "null";
  	                }
  	                v = partial.length === 0
  	                    ? "[]"
  	                    : gap
  	                        ? "[\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "]"
  	                        : "[" + partial.join(",") + "]";
  	                gap = mind;
  	                return v;
  	            }
  	            if (rep && typeof rep === "object") {
  	                length = rep.length;
  	                for (i = 0; i < length; i += 1) {
  	                    if (typeof rep[i] === "string") {
  	                        k = rep[i];
  	                        v = str(k, value);
  	                        if (v) {
  	                            partial.push(quote(k) + (
  	                                gap
  	                                    ? ": "
  	                                    : ":"
  	                            ) + v);
  	                        }
  	                    }
  	                }
  	            } else {
  	                for (k in value) {
  	                    if (Object.prototype.hasOwnProperty.call(value, k)) {
  	                        v = str(k, value);
  	                        if (v) {
  	                            partial.push(quote(k) + (
  	                                gap
  	                                    ? ": "
  	                                    : ":"
  	                            ) + v);
  	                        }
  	                    }
  	                }
  	            }
  	            v = partial.length === 0
  	                ? "{}"
  	                : gap
  	                    ? "{\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "}"
  	                    : "{" + partial.join(",") + "}";
  	            gap = mind;
  	            return v;
  	        }
  	    }
  	    if (typeof JSON.stringify !== "function") {
  	        meta = {
  	            "\b": "\\b",
  	            "\t": "\\t",
  	            "\n": "\\n",
  	            "\f": "\\f",
  	            "\r": "\\r",
  	            "\"": "\\\"",
  	            "\\": "\\\\"
  	        };
  	        JSON.stringify = function (value, replacer, space) {
  	            var i;
  	            gap = "";
  	            indent = "";
  	            if (typeof space === "number") {
  	                for (i = 0; i < space; i += 1) {
  	                    indent += " ";
  	                }
  	            } else if (typeof space === "string") {
  	                indent = space;
  	            }
  	            rep = replacer;
  	            if (replacer && typeof replacer !== "function" &&
  	                    (typeof replacer !== "object" ||
  	                    typeof replacer.length !== "number")) {
  	                throw new Error("JSON.stringify");
  	            }
  	            return str("", {"": value});
  	        };
  	    }
  	    if (typeof JSON.parse !== "function") {
  	        JSON.parse = function (text, reviver) {
  	            var j;
  	            function walk(holder, key) {
  	                var k;
  	                var v;
  	                var value = holder[key];
  	                if (value && typeof value === "object") {
  	                    for (k in value) {
  	                        if (Object.prototype.hasOwnProperty.call(value, k)) {
  	                            v = walk(value, k);
  	                            if (v !== undefined) {
  	                                value[k] = v;
  	                            } else {
  	                                delete value[k];
  	                            }
  	                        }
  	                    }
  	                }
  	                return reviver.call(holder, key, value);
  	            }
  	            text = String(text);
  	            rx_dangerous.lastIndex = 0;
  	            if (rx_dangerous.test(text)) {
  	                text = text.replace(rx_dangerous, function (a) {
  	                    return "\\u" +
  	                            ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
  	                });
  	            }
  	            if (
  	                rx_one.test(
  	                    text
  	                        .replace(rx_two, "@")
  	                        .replace(rx_three, "]")
  	                        .replace(rx_four, "")
  	                )
  	            ) {
  	                j = eval("(" + text + ")");
  	                return (typeof reviver === "function")
  	                    ? walk({"": j}, "")
  	                    : j;
  	            }
  	            throw new SyntaxError("JSON.parse");
  	        };
  	    }
  	}());
  	return json2$1;
  }

  var json2 = json2Plugin;
  function json2Plugin() {
  	requireJson2();
  	return {}
  }
  getDefaultExportFromCjs(json2);

  var engine = storeEngine;
  var storages = all;
  var plugins = [json2];
  var store_legacy = engine.createStore(storages, plugins);
  const store = getDefaultExportFromCjs(store_legacy);

  class BrowserStore {
      all(fn) {
          store.each((value, key) => {
              fn(key, value);
          });
      }
      get(key, fn) {
          fn(store.get(key));
      }
      remove(key, fn) {
          store.remove(key);
          fn && fn();
      }
      set(key, value, fn) {
          store.set(key, value);
          fn && fn();
      }
  }

  class Base {
      __internal__accounts;
      __internal__addresses;
      __internal__contracts;
      __internal__isEthereum;
      __internal__keyring;
      _store;
      _genesisHash;
      _genesisHashAdd = [];
      constructor() {
          this.__internal__accounts = accounts;
          this.__internal__addresses = addresses;
          this.__internal__contracts = contracts;
          this.__internal__isEthereum = false;
          this._store = new BrowserStore();
      }
      get accounts() {
          return this.__internal__accounts;
      }
      get addresses() {
          return this.__internal__addresses;
      }
      get contracts() {
          return this.__internal__contracts;
      }
      get isEthereum() {
          return this.__internal__isEthereum;
      }
      get keyring() {
          if (this.__internal__keyring) {
              return this.__internal__keyring;
          }
          throw new Error('Keyring should be initialised via \'loadAll\' before use');
      }
      get genesisHash() {
          return this._genesisHash;
      }
      get genesisHashes() {
          return this._genesisHash
              ? [this._genesisHash, ...this._genesisHashAdd]
              : [...this._genesisHashAdd];
      }
      decodeAddress = (key, ignoreChecksum, ss58Format) => {
          return this.keyring.decodeAddress(key, ignoreChecksum, ss58Format);
      };
      encodeAddress = (key, ss58Format) => {
          return this.keyring.encodeAddress(key, ss58Format);
      };
      getPair(address) {
          return this.keyring.getPair(address);
      }
      getPairs() {
          return this.keyring.getPairs().filter((pair) => env.isDevelopment() || pair.meta.isTesting !== true);
      }
      isAvailable(_address) {
          const accountsValue = this.accounts.subject.getValue();
          const addressesValue = this.addresses.subject.getValue();
          const contractsValue = this.contracts.subject.getValue();
          const address = util$7.isString(_address)
              ? _address
              : this.encodeAddress(_address);
          return !accountsValue[address] && !addressesValue[address] && !contractsValue[address];
      }
      isPassValid(password) {
          return password.length > 0;
      }
      setSS58Format(ss58Format) {
          if (this.__internal__keyring && util$7.isNumber(ss58Format)) {
              this.__internal__keyring.setSS58Format(ss58Format);
          }
      }
      setDevMode(isDevelopment) {
          env.set(isDevelopment);
      }
      initKeyring(options) {
          const keyring = keyring$1.createTestKeyring(options, true);
          if (util$7.isBoolean(options.isDevelopment)) {
              this.setDevMode(options.isDevelopment);
          }
          this.__internal__isEthereum = keyring.type === 'ethereum';
          this.__internal__keyring = keyring;
          this._genesisHash = options.genesisHash && (util$7.isString(options.genesisHash)
              ? options.genesisHash.toString()
              : options.genesisHash.toHex());
          this._genesisHashAdd = options.genesisHashAdd || [];
          this._store = options.store || this._store;
          this.addAccountPairs();
      }
      addAccountPairs() {
          this.keyring
              .getPairs()
              .forEach(({ address, meta }) => {
              this.accounts.add(this._store, address, { address, meta });
          });
      }
      addTimestamp(pair) {
          if (!pair.meta.whenCreated) {
              pair.setMeta({ whenCreated: Date.now() });
          }
      }
  }

  const RECENT_EXPIRY = 24 * 60 * 60;
  class Keyring extends Base {
      keyringOption = new KeyringOption();
      __internal__stores = {
          account: () => this.accounts,
          address: () => this.addresses,
          contract: () => this.contracts
      };
      addExternal(address, meta = {}) {
          const pair = this.keyring.addFromAddress(address, util$7.objectSpread({}, meta, { isExternal: true }), null);
          return {
              json: this.saveAccount(pair),
              pair
          };
      }
      addHardware(address, hardwareType, meta = {}) {
          return this.addExternal(address, util$7.objectSpread({}, meta, { hardwareType, isHardware: true }));
      }
      addMultisig(addresses, threshold, meta = {}) {
          let address = utilCrypto.createKeyMulti(addresses, threshold);
          if (this.isEthereum) {
              address = address.slice(0, 20);
          }
          const who = util$7.u8aSorted(addresses.map((who) => this.decodeAddress(who))).map((who) => this.encodeAddress(who));
          return this.addExternal(address, util$7.objectSpread({}, meta, { isMultisig: true, threshold: util$7.bnToBn(threshold).toNumber(), who }));
      }
      addPair(pair, password) {
          this.keyring.addPair(pair);
          return {
              json: this.saveAccount(pair, password),
              pair
          };
      }
      addUri(suri, password, meta = {}, type) {
          const pair = this.keyring.addFromUri(suri, meta, type);
          return {
              json: this.saveAccount(pair, password),
              pair
          };
      }
      backupAccount(pair, password) {
          if (!pair.isLocked) {
              pair.lock();
          }
          pair.decodePkcs8(password);
          return pair.toJson(password);
      }
      async backupAccounts(addresses, password) {
          const accountPromises = addresses.map((address) => {
              return new Promise((resolve) => {
                  this._store.get(accountKey(address), resolve);
              });
          });
          const accounts = await Promise.all(accountPromises);
          return util$7.objectSpread({}, utilCrypto.jsonEncrypt(util$7.stringToU8a(JSON.stringify(accounts)), ['batch-pkcs8'], password), {
              accounts: accounts.map((account) => ({
                  address: account.address,
                  meta: account.meta
              }))
          });
      }
      createFromJson(json, meta = {}) {
          return this.keyring.createFromJson(util$7.objectSpread({}, json, {
              meta: util$7.objectSpread({}, json.meta, meta)
          }));
      }
      createFromUri(suri, meta = {}, type) {
          return this.keyring.createFromUri(suri, meta, type);
      }
      encryptAccount(pair, password) {
          const json = pair.toJson(password);
          json.meta.whenEdited = Date.now();
          this.keyring.addFromJson(json);
          this.accounts.add(this._store, pair.address, json, pair.type);
      }
      forgetAccount(address) {
          this.keyring.removePair(address);
          this.accounts.remove(this._store, address);
      }
      forgetAddress(address) {
          this.addresses.remove(this._store, address);
      }
      forgetContract(address) {
          this.contracts.remove(this._store, address);
      }
      getAccount(address) {
          return this.getAddress(address, 'account');
      }
      getAccounts() {
          const available = this.accounts.subject.getValue();
          return Object
              .keys(available)
              .map((address) => this.getAddress(address, 'account'))
              .filter((account) => !!account &&
              (env.isDevelopment() ||
                  account.meta.isTesting !== true));
      }
      getAddress(_address, type = null) {
          const address = util$7.isString(_address)
              ? _address
              : this.encodeAddress(_address);
          const publicKey = this.decodeAddress(address);
          const stores = type
              ? [this.__internal__stores[type]]
              : Object.values(this.__internal__stores);
          const info = stores.reduce((lastInfo, store) => (store().subject.getValue()[address] || lastInfo), undefined);
          return info && {
              address,
              meta: info.json.meta,
              publicKey
          };
      }
      getAddresses() {
          const available = this.addresses.subject.getValue();
          return Object
              .keys(available)
              .map((address) => this.getAddress(address))
              .filter((account) => !!account);
      }
      getContract(address) {
          return this.getAddress(address, 'contract');
      }
      getContracts() {
          const available = this.contracts.subject.getValue();
          return Object
              .entries(available)
              .filter(([, { json: { meta: { contract } } }]) => !!contract && contract.genesisHash === this.genesisHash)
              .map(([address]) => this.getContract(address))
              .filter((account) => !!account);
      }
      rewriteKey(json, key, hexAddr, creator) {
          if (hexAddr.startsWith('0x')) {
              return;
          }
          this._store.remove(key);
          this._store.set(creator(hexAddr), json);
      }
      loadAccount(json, key) {
          if (!json.meta.isTesting && json.encoded) {
              const pair = this.keyring.addFromJson(json, true);
              this.accounts.add(this._store, pair.address, json, pair.type);
          }
          const [, hexAddr] = key.split(':');
          this.rewriteKey(json, key, hexAddr.trim(), accountKey);
      }
      loadAddress(json, key) {
          const { isRecent, whenCreated = 0 } = json.meta;
          if (isRecent && (Date.now() - whenCreated) > RECENT_EXPIRY) {
              this._store.remove(key);
              return;
          }
          const address = util$7.isHex(json.address) && json.address.length !== 66
              ? json.address
              : this.encodeAddress(util$7.isHex(json.address)
                  ? util$7.hexToU8a(json.address)
                  : this.decodeAddress(json.address, true));
          const [, hexAddr] = key.split(':');
          this.addresses.add(this._store, address, json);
          this.rewriteKey(json, key, hexAddr, addressKey);
      }
      loadContract(json, key) {
          const address = this.encodeAddress(this.decodeAddress(json.address));
          const [, hexAddr] = key.split(':');
          json.meta.genesisHash = json.meta.genesisHash || (json.meta.contract?.genesisHash);
          this.contracts.add(this._store, address, json);
          this.rewriteKey(json, key, hexAddr, contractKey);
      }
      loadInjected(address, meta, type) {
          const json = {
              address,
              meta: util$7.objectSpread({}, meta, { isInjected: true })
          };
          const pair = this.keyring.addFromAddress(address, json.meta, null, type);
          this.accounts.add(this._store, pair.address, json, pair.type);
      }
      allowGenesis(json) {
          if (json?.meta && this.genesisHash) {
              const hashes = Object.values(uiSettings.chains).find((hashes) => hashes.includes(this.genesisHash || '')) || [this.genesisHash];
              if (json.meta.genesisHash) {
                  return hashes.includes(json.meta.genesisHash) || this.genesisHashes.includes(json.meta.genesisHash);
              }
              else if (json.meta.contract) {
                  return hashes.includes(json.meta.contract.genesisHash);
              }
          }
          return true;
      }
      loadAll(options, injected = []) {
          super.initKeyring(options);
          this._store.all((key, json) => {
              if (!util$7.isFunction(options.filter) || options.filter(json)) {
                  try {
                      if (this.allowGenesis(json)) {
                          if (accountRegex.test(key)) {
                              this.loadAccount(json, key);
                          }
                          else if (addressRegex.test(key)) {
                              this.loadAddress(json, key);
                          }
                          else if (contractRegex.test(key)) {
                              this.loadContract(json, key);
                          }
                      }
                  }
                  catch {
                      console.warn(`Keyring: Unable to load ${key}:${util$7.stringify(json)}`);
                  }
              }
          });
          injected.forEach((account) => {
              if (this.allowGenesis(account)) {
                  try {
                      this.loadInjected(account.address, account.meta, account.type);
                  }
                  catch {
                      console.warn(`Keyring: Unable to inject ${util$7.stringify(account)}`);
                  }
              }
          });
          this.keyringOption.init(this);
      }
      restoreAccount(json, password) {
          const cryptoType = Array.isArray(json.encoding.content) ? json.encoding.content[1] : 'ed25519';
          const encType = Array.isArray(json.encoding.type) ? json.encoding.type : [json.encoding.type];
          const pair = keyring$1.createPair({ toSS58: this.encodeAddress, type: cryptoType }, { publicKey: this.decodeAddress(json.address, true) }, json.meta, util$7.isHex(json.encoded) ? util$7.hexToU8a(json.encoded) : utilCrypto.base64Decode(json.encoded), encType);
          pair.decodePkcs8(password);
          this.addPair(pair, password);
          pair.lock();
          return pair;
      }
      restoreAccounts(json, password) {
          const accounts = JSON.parse(util$7.u8aToString(utilCrypto.jsonDecrypt(json, password)));
          accounts.forEach((account) => {
              this.loadAccount(account, accountKey(account.address));
          });
      }
      saveAccount(pair, password) {
          this.addTimestamp(pair);
          const json = pair.toJson(password);
          this.keyring.addFromJson(json);
          this.accounts.add(this._store, pair.address, json, pair.type);
          return json;
      }
      saveAccountMeta(pair, meta) {
          const address = pair.address;
          this._store.get(accountKey(address), (json) => {
              pair.setMeta(meta);
              json.meta = pair.meta;
              this.accounts.add(this._store, address, json, pair.type);
          });
      }
      saveAddress(address, meta, type = 'address') {
          const available = this.addresses.subject.getValue();
          const json = available[address]?.json || {
              address,
              meta: {
                  isRecent: undefined,
                  whenCreated: Date.now()
              }
          };
          Object.keys(meta).forEach((key) => {
              json.meta[key] = meta[key];
          });
          delete json.meta.isRecent;
          this.__internal__stores[type]().add(this._store, address, json);
          return json;
      }
      saveContract(address, meta) {
          return this.saveAddress(address, meta, 'contract');
      }
      saveRecent(address) {
          const available = this.addresses.subject.getValue();
          if (!available[address]) {
              this.addresses.add(this._store, address, {
                  address,
                  meta: {
                      genesisHash: this.genesisHash,
                      isRecent: true,
                      whenCreated: Date.now()
                  }
              });
          }
          return this.addresses.subject.getValue()[address];
      }
  }

  const packageInfo = { name: '@polkadot/ui-keyring', path: (({ url: (typeof document === 'undefined' && typeof location === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : typeof document === 'undefined' ? location.href : (_documentCurrentScript && _documentCurrentScript.src || new URL('bundle-polkadot-ui-keyring.js', document.baseURI).href)) }) && (typeof document === 'undefined' && typeof location === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : typeof document === 'undefined' ? location.href : (_documentCurrentScript && _documentCurrentScript.src || new URL('bundle-polkadot-ui-keyring.js', document.baseURI).href))) ? new URL((typeof document === 'undefined' && typeof location === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : typeof document === 'undefined' ? location.href : (_documentCurrentScript && _documentCurrentScript.src || new URL('bundle-polkadot-ui-keyring.js', document.baseURI).href))).pathname.substring(0, new URL((typeof document === 'undefined' && typeof location === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : typeof document === 'undefined' ? location.href : (_documentCurrentScript && _documentCurrentScript.src || new URL('bundle-polkadot-ui-keyring.js', document.baseURI).href))).pathname.lastIndexOf('/') + 1) : 'auto', type: 'esm', version: '3.6.4' };

  const keyring = new Keyring();

  exports.Keyring = Keyring;
  exports.keyring = keyring;
  exports.packageInfo = packageInfo;

}));