(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@polkadot/util'), require('@polkadot/util-crypto')) :
	typeof define === 'function' && define.amd ? define(['exports', '@polkadot/util', '@polkadot/util-crypto'], factory) :
	(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.polkadotUiSettings = {}, global.polkadotUtil, global.polkadotUtilCrypto));
})(this, (function (exports, 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 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 eventemitter3 = {exports: {}};

	(function (module) {
		var has = Object.prototype.hasOwnProperty
		  , prefix = '~';
		function Events() {}
		if (Object.create) {
		  Events.prototype = Object.create(null);
		  if (!new Events().__proto__) prefix = false;
		}
		function EE(fn, context, once) {
		  this.fn = fn;
		  this.context = context;
		  this.once = once || false;
		}
		function addListener(emitter, event, fn, context, once) {
		  if (typeof fn !== 'function') {
		    throw new TypeError('The listener must be a function');
		  }
		  var listener = new EE(fn, context || emitter, once)
		    , evt = prefix ? prefix + event : event;
		  if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;
		  else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);
		  else emitter._events[evt] = [emitter._events[evt], listener];
		  return emitter;
		}
		function clearEvent(emitter, evt) {
		  if (--emitter._eventsCount === 0) emitter._events = new Events();
		  else delete emitter._events[evt];
		}
		function EventEmitter() {
		  this._events = new Events();
		  this._eventsCount = 0;
		}
		EventEmitter.prototype.eventNames = function eventNames() {
		  var names = []
		    , events
		    , name;
		  if (this._eventsCount === 0) return names;
		  for (name in (events = this._events)) {
		    if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);
		  }
		  if (Object.getOwnPropertySymbols) {
		    return names.concat(Object.getOwnPropertySymbols(events));
		  }
		  return names;
		};
		EventEmitter.prototype.listeners = function listeners(event) {
		  var evt = prefix ? prefix + event : event
		    , handlers = this._events[evt];
		  if (!handlers) return [];
		  if (handlers.fn) return [handlers.fn];
		  for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {
		    ee[i] = handlers[i].fn;
		  }
		  return ee;
		};
		EventEmitter.prototype.listenerCount = function listenerCount(event) {
		  var evt = prefix ? prefix + event : event
		    , listeners = this._events[evt];
		  if (!listeners) return 0;
		  if (listeners.fn) return 1;
		  return listeners.length;
		};
		EventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {
		  var evt = prefix ? prefix + event : event;
		  if (!this._events[evt]) return false;
		  var listeners = this._events[evt]
		    , len = arguments.length
		    , args
		    , i;
		  if (listeners.fn) {
		    if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);
		    switch (len) {
		      case 1: return listeners.fn.call(listeners.context), true;
		      case 2: return listeners.fn.call(listeners.context, a1), true;
		      case 3: return listeners.fn.call(listeners.context, a1, a2), true;
		      case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;
		      case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;
		      case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;
		    }
		    for (i = 1, args = new Array(len -1); i < len; i++) {
		      args[i - 1] = arguments[i];
		    }
		    listeners.fn.apply(listeners.context, args);
		  } else {
		    var length = listeners.length
		      , j;
		    for (i = 0; i < length; i++) {
		      if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);
		      switch (len) {
		        case 1: listeners[i].fn.call(listeners[i].context); break;
		        case 2: listeners[i].fn.call(listeners[i].context, a1); break;
		        case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;
		        case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;
		        default:
		          if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {
		            args[j - 1] = arguments[j];
		          }
		          listeners[i].fn.apply(listeners[i].context, args);
		      }
		    }
		  }
		  return true;
		};
		EventEmitter.prototype.on = function on(event, fn, context) {
		  return addListener(this, event, fn, context, false);
		};
		EventEmitter.prototype.once = function once(event, fn, context) {
		  return addListener(this, event, fn, context, true);
		};
		EventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {
		  var evt = prefix ? prefix + event : event;
		  if (!this._events[evt]) return this;
		  if (!fn) {
		    clearEvent(this, evt);
		    return this;
		  }
		  var listeners = this._events[evt];
		  if (listeners.fn) {
		    if (
		      listeners.fn === fn &&
		      (!once || listeners.once) &&
		      (!context || listeners.context === context)
		    ) {
		      clearEvent(this, evt);
		    }
		  } else {
		    for (var i = 0, events = [], length = listeners.length; i < length; i++) {
		      if (
		        listeners[i].fn !== fn ||
		        (once && !listeners[i].once) ||
		        (context && listeners[i].context !== context)
		      ) {
		        events.push(listeners[i]);
		      }
		    }
		    if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;
		    else clearEvent(this, evt);
		  }
		  return this;
		};
		EventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {
		  var evt;
		  if (event) {
		    evt = prefix ? prefix + event : event;
		    if (this._events[evt]) clearEvent(this, evt);
		  } else {
		    this._events = new Events();
		    this._eventsCount = 0;
		  }
		  return this;
		};
		EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
		EventEmitter.prototype.addListener = EventEmitter.prototype.on;
		EventEmitter.prefixed = prefix;
		EventEmitter.EventEmitter = EventEmitter;
		{
		  module.exports = EventEmitter;
		}
	} (eventemitter3));
	var eventemitter3Exports = eventemitter3.exports;
	const EventEmitter = getDefaultExportFromCjs(eventemitter3Exports);

	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);

	const CRYPTOS = [
	    {
	        info: 'sr25519',
	        text: 'Schnorrkel (sr25519, recommended)',
	        value: 'sr25519'
	    },
	    {
	        info: 'ed25519',
	        text: 'Edwards (ed25519, alternative)',
	        value: 'ed25519'
	    },
	    {
	        info: 'ecdsa',
	        text: 'ECDSA (Non BTC/ETH compatible)',
	        value: 'ecdsa'
	    }
	];
	const CRYPTOS_ETH = [
	    {
	        info: 'ethereum',
	        text: 'ECDSA (ETH compatible)',
	        value: 'ethereum'
	    }
	];
	const CRYPTOS_LEDGER = [
	    ...CRYPTOS,
	    {
	        info: 'ed25519-ledger',
	        text: 'Ledger (ed25519, BIP32 derivation)',
	        value: 'ed25519-ledger'
	    }
	];

	const ENDPOINTS = [
	    {
	        info: 'local',
	        text: 'Local Node (Own, 127.0.0.1:9944)',
	        value: 'ws://127.0.0.1:9944/'
	    }
	];
	const ENDPOINT_DEFAULT = ENDPOINTS[0];

	const LEDGER_CONN_DEFAULT = 'none';
	const LEDGER_CONN = [
	    {
	        info: 'none',
	        text: 'Do not attach Ledger devices',
	        value: 'none'
	    },
	    {
	        info: 'webusb',
	        text: 'Attach Ledger via WebUSB (Chrome, recommended)',
	        value: 'webusb'
	    },
	    {
	        info: 'hid',
	        text: 'Attach Ledger via WebHID (Chrome, experimental)',
	        value: 'hid'
	    }
	];

	const PREFIX_DEFAULT = -1;
	const defaultNetwork = {
	    info: 'default',
	    text: 'Default for the connected node',
	    value: -1
	};
	const networks = utilCrypto.availableNetworks.map(({ displayName, network, prefix }) => ({
	    info: network,
	    text: displayName,
	    value: prefix
	}));
	const PREFIXES = [defaultNetwork, ...networks];

	const isPolkadot = typeof window !== 'undefined' && window.location.host.includes('polkadot');

	const UIMODE_DEFAULT = !isPolkadot && typeof window !== 'undefined' && window.location.host.includes('ui-light')
	    ? 'light'
	    : 'full';
	const UIMODES = [
	    {
	        info: 'full',
	        text: 'Fully featured',
	        value: 'full'
	    },
	    {
	        info: 'light',
	        text: 'Basic features only',
	        value: 'light'
	    }
	];
	const UITHEME_DEFAULT = isPolkadot
	    ? 'polkadot'
	    : 'substrate';
	const UITHEMES = [
	    {
	        info: 'polkadot',
	        text: 'Polkadot',
	        value: 'polkadot'
	    },
	    {
	        info: 'substrate',
	        text: 'Substrate',
	        value: 'substrate'
	    }
	];
	const ICON_DEFAULT = 'default';
	const ICON_DEFAULT_HOST = isPolkadot
	    ? 'polkadot'
	    : 'substrate';
	const ICONS = [
	    {
	        info: 'default',
	        text: 'Default for the connected node',
	        value: 'default'
	    },
	    {
	        info: 'polkadot',
	        text: 'Polkadot',
	        value: 'polkadot'
	    },
	    {
	        info: 'substrate',
	        text: 'Substrate',
	        value: 'substrate'
	    },
	    {
	        info: 'beachball',
	        text: 'Beachball',
	        value: 'beachball'
	    }
	];
	const NOTIFICATION_DEFAULT = 'popup';

	const CAMERA_DEFAULT = 'off';
	const CAMERA = [
	    {
	        info: 'on',
	        text: 'Allow camera access',
	        value: 'on'
	    },
	    {
	        info: 'off',
	        text: 'Do not allow camera access',
	        value: 'off'
	    }
	];
	const LANGUAGE_DEFAULT = 'default';
	const LOCKING_DEFAULT = 'session';
	const LOCKING = [
	    {
	        info: 'session',
	        text: 'Once per session',
	        value: 'session'
	    },
	    {
	        info: 'tx',
	        text: 'On each transaction',
	        value: 'tx'
	    }
	];
	const METADATA_UP_DEFAULT = 'off';
	const METADATA_UP = [
	    {
	        info: 'off',
	        text: 'Do not auto-update extension metadata',
	        value: 'off'
	    },
	    {
	        info: 'on',
	        text: 'Auto-update extension metadata',
	        value: 'on'
	    }
	];
	const STORAGE_DEFAULT = 'off';
	const STORAGE = [
	    {
	        info: 'on',
	        text: 'Allow local in-browser account storage',
	        value: 'on'
	    },
	    {
	        info: 'off',
	        text: 'Do not allow local in-browser account storage',
	        value: 'off'
	    }
	];

	function withDefault(options, option, fallback) {
	    const _option = option || fallback;
	    return options.some(({ value }) => value === _option)
	        ? _option
	        : fallback;
	}
	class Settings {
	    __internal__emitter;
	    __internal__apiType;
	    __internal__apiUrl;
	    __internal__camera;
	    __internal__i18nLang;
	    __internal__icon;
	    __internal__ledgerConn;
	    __internal__locking;
	    __internal__metadataUp;
	    __internal__prefix;
	    __internal__storage;
	    __internal__uiMode;
	    __internal__uiTheme;
	    __internal__notification;
	    constructor() {
	        const settings = store.get('settings') || {};
	        this.__internal__emitter = new EventEmitter();
	        this.__internal__apiUrl = (typeof settings.apiUrl === 'string' && settings.apiUrl) || (util$7.hasProcess && process.env?.['WS_URL']) || ENDPOINT_DEFAULT.value;
	        this.__internal__apiType = { param: this.__internal__apiUrl, type: 'json-rpc' };
	        this.__internal__camera = withDefault(CAMERA, settings.camera, CAMERA_DEFAULT);
	        this.__internal__ledgerConn = withDefault(LEDGER_CONN, settings.ledgerConn, LEDGER_CONN_DEFAULT);
	        this.__internal__i18nLang = settings.i18nLang || LANGUAGE_DEFAULT;
	        this.__internal__icon = settings.icon || ICON_DEFAULT;
	        this.__internal__locking = settings.locking || LOCKING_DEFAULT;
	        this.__internal__metadataUp = withDefault(METADATA_UP, settings.storage, METADATA_UP_DEFAULT);
	        this.__internal__notification = settings.notification || NOTIFICATION_DEFAULT;
	        this.__internal__prefix = util$7.isUndefined(settings.prefix) ? PREFIX_DEFAULT : settings.prefix;
	        this.__internal__storage = withDefault(STORAGE, settings.storage, STORAGE_DEFAULT);
	        this.__internal__uiMode = settings.uiMode || UIMODE_DEFAULT;
	        this.__internal__uiTheme = settings.uiTheme || UITHEME_DEFAULT;
	    }
	    get camera() {
	        return this.__internal__camera;
	    }
	    get apiType() {
	        return this.__internal__apiType;
	    }
	    get apiUrl() {
	        return this.__internal__apiUrl;
	    }
	    get i18nLang() {
	        return this.__internal__i18nLang;
	    }
	    get icon() {
	        return this.__internal__icon;
	    }
	    get notification() {
	        return this.__internal__notification;
	    }
	    get ledgerConn() {
	        return this.__internal__ledgerConn;
	    }
	    get locking() {
	        return this.__internal__locking;
	    }
	    get metadataUp() {
	        return this.__internal__metadataUp;
	    }
	    get prefix() {
	        return this.__internal__prefix;
	    }
	    get storage() {
	        return this.__internal__storage;
	    }
	    get uiMode() {
	        return this.__internal__uiMode;
	    }
	    get uiTheme() {
	        return this.__internal__uiTheme;
	    }
	    get availableCamera() {
	        return CAMERA;
	    }
	    get availableCryptos() {
	        return CRYPTOS;
	    }
	    get availableCryptosEth() {
	        return CRYPTOS_ETH;
	    }
	    get availableCryptosLedger() {
	        return CRYPTOS_LEDGER;
	    }
	    get availableIcons() {
	        return ICONS;
	    }
	    get availableLedgerConn() {
	        return LEDGER_CONN;
	    }
	    get availableLocking() {
	        return LOCKING;
	    }
	    get availableMetadataUp() {
	        return METADATA_UP;
	    }
	    get availableNodes() {
	        return ENDPOINTS;
	    }
	    get availablePrefixes() {
	        return PREFIXES;
	    }
	    get availableStorage() {
	        return STORAGE;
	    }
	    get availableUIModes() {
	        return UIMODES;
	    }
	    get availableUIThemes() {
	        return UITHEMES;
	    }
	    get() {
	        return {
	            apiType: this.__internal__apiType,
	            apiUrl: this.__internal__apiUrl,
	            camera: this.__internal__camera,
	            i18nLang: this.__internal__i18nLang,
	            icon: this.__internal__icon,
	            ledgerConn: this.__internal__ledgerConn,
	            locking: this.__internal__locking,
	            metadataUp: this.__internal__metadataUp,
	            notification: this.__internal__notification,
	            prefix: this.__internal__prefix,
	            storage: this.__internal__storage,
	            uiMode: this.__internal__uiMode,
	            uiTheme: this.__internal__uiTheme
	        };
	    }
	    set(settings) {
	        this.__internal__apiType = settings.apiType || this.__internal__apiType;
	        this.__internal__apiUrl = settings.apiUrl || this.__internal__apiUrl;
	        this.__internal__camera = settings.camera || this.__internal__camera;
	        this.__internal__ledgerConn = settings.ledgerConn || this.__internal__ledgerConn;
	        this.__internal__i18nLang = settings.i18nLang || this.__internal__i18nLang;
	        this.__internal__icon = settings.icon || this.__internal__icon;
	        this.__internal__locking = settings.locking || this.__internal__locking;
	        this.__internal__metadataUp = settings.metadataUp || this.__internal__metadataUp;
	        this.__internal__notification = settings.notification || this.__internal__notification;
	        this.__internal__prefix = util$7.isUndefined(settings.prefix) ? this.__internal__prefix : settings.prefix;
	        this.__internal__storage = settings.storage || this.__internal__storage;
	        this.__internal__uiMode = settings.uiMode || this.__internal__uiMode;
	        this.__internal__uiTheme = settings.uiTheme || this.__internal__uiTheme;
	        const newValues = this.get();
	        store.set('settings', newValues);
	        this.__internal__emitter.emit('change', newValues);
	    }
	    on(type, cb) {
	        this.__internal__emitter.on(type, cb);
	    }
	}
	const settings = new Settings();

	const chains =  utilCrypto.selectableNetworks
	    .filter((n) => n.genesisHash.length)
	    .reduce((chains, { genesisHash, network }) => util$7.objectSpread(chains, { [network]: genesisHash }), {});

	const packageInfo = { name: '@polkadot/ui-settings', 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-settings.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-settings.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-settings.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-settings.js', document.baseURI).href))).pathname.lastIndexOf('/') + 1) : 'auto', type: 'esm', version: '3.6.4' };

	exports.ENDPOINT_DEFAULT = ENDPOINT_DEFAULT;
	exports.ICON_DEFAULT = ICON_DEFAULT;
	exports.ICON_DEFAULT_HOST = ICON_DEFAULT_HOST;
	exports.LANGUAGE_DEFAULT = LANGUAGE_DEFAULT;
	exports.LOCKING_DEFAULT = LOCKING_DEFAULT;
	exports.PREFIX_DEFAULT = PREFIX_DEFAULT;
	exports.Settings = Settings;
	exports.UIMODE_DEFAULT = UIMODE_DEFAULT;
	exports.UITHEME_DEFAULT = UITHEME_DEFAULT;
	exports.chains = chains;
	exports.packageInfo = packageInfo;
	exports.settings = settings;

}));