From adf42f0483956335493b765da05787d1f237bb52 Mon Sep 17 00:00:00 2001
From: Stu Kabakoff <stu.kabakoff@mark43.com>
Date: Tue, 22 Dec 2020 16:27:03 -0500
Subject: [PATCH 1/4] fix cursor error in Safari

---
 dist/es/broadcast-channel.js    |  39 ++++++++----
 dist/es/browserify.index.js     |   8 ++-
 dist/es/index.es5.js            |  13 ++--
 dist/es/index.js                |  35 ++++++++++-
 dist/es/leader-election.js      |  25 +++++---
 dist/es/method-chooser.js       |  38 ++++++++----
 dist/es/methods/cookies.js      |   3 +-
 dist/es/methods/indexed-db.js   | 102 ++++++++++++++++++++++----------
 dist/es/methods/localstorage.js |  82 ++++++++++++++++++-------
 dist/es/methods/native.js       |  48 +++++++++++----
 dist/es/methods/node.js         |  81 +++++++++++++------------
 dist/es/methods/simulate.js     |  46 ++++++++++----
 dist/es/oblivious-set.js        |  10 +++-
 dist/es/options.js              |   9 ++-
 dist/es/util.js                 |  30 ++++++++--
 dist/lib/browser.js             |   9 ++-
 dist/lib/browser.min.js         |   2 +-
 dist/lib/methods/indexed-db.js  |   9 ++-
 docs/e2e.js                     |  13 ++--
 docs/iframe.js                  |  13 ++--
 docs/index.js                   |  13 ++--
 docs/leader-iframe.js           |  13 ++--
 docs/worker.js                  |  13 ++--
 src/methods/indexed-db.js       |   7 +--
 24 files changed, 448 insertions(+), 213 deletions(-)

diff --git a/dist/es/broadcast-channel.js b/dist/es/broadcast-channel.js
index eae03f2f..2d34e047 100644
--- a/dist/es/broadcast-channel.js
+++ b/dist/es/broadcast-channel.js
@@ -1,15 +1,27 @@
-import { isPromise } from './util.js';
-import { chooseMethod } from './method-chooser.js';
-import { fillOptionsWithDefaults } from './options.js';
-export var BroadcastChannel = function BroadcastChannel(name, options) {
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.clearNodeFolder = clearNodeFolder;
+exports.enforceOptions = enforceOptions;
+exports.BroadcastChannel = void 0;
+
+var _util = require("./util.js");
+
+var _methodChooser = require("./method-chooser.js");
+
+var _options = require("./options.js");
+
+var BroadcastChannel = function BroadcastChannel(name, options) {
   this.name = name;
 
   if (ENFORCED_OPTIONS) {
     options = ENFORCED_OPTIONS;
   }
 
-  this.options = fillOptionsWithDefaults(options);
-  this.method = chooseMethod(this.options); // isListening
+  this.options = (0, _options.fillOptionsWithDefaults)(options);
+  this.method = (0, _methodChooser.chooseMethod)(this.options); // isListening
 
   this._iL = false;
   /**
@@ -49,15 +61,17 @@ export var BroadcastChannel = function BroadcastChannel(name, options) {
  * See methods/native.js
  */
 
+
+exports.BroadcastChannel = BroadcastChannel;
 BroadcastChannel._pubkey = true;
 /**
  * clears the tmp-folder if is node
  * @return {Promise<boolean>} true if has run, false if not node
  */
 
-export function clearNodeFolder(options) {
-  options = fillOptionsWithDefaults(options);
-  var method = chooseMethod(options);
+function clearNodeFolder(options) {
+  options = (0, _options.fillOptionsWithDefaults)(options);
+  var method = (0, _methodChooser.chooseMethod)(options);
 
   if (method.type === 'node') {
     return method.clearNodeFolder().then(function () {
@@ -72,11 +86,14 @@ export function clearNodeFolder(options) {
  * no mather what the options are
  */
 
+
 var ENFORCED_OPTIONS;
-export function enforceOptions(options) {
+
+function enforceOptions(options) {
   ENFORCED_OPTIONS = options;
 } // PROTOTYPE
 
+
 BroadcastChannel.prototype = {
   postMessage: function postMessage(msg) {
     if (this.closed) {
@@ -162,7 +179,7 @@ function _post(broadcastChannel, type, msg) {
 function _prepareChannel(channel) {
   var maybePromise = channel.method.create(channel.name, channel.options);
 
-  if (isPromise(maybePromise)) {
+  if ((0, _util.isPromise)(maybePromise)) {
     channel._prepP = maybePromise;
     maybePromise.then(function (s) {
       // used in tests to simulate slow runtime
diff --git a/dist/es/browserify.index.js b/dist/es/browserify.index.js
index e500d3df..a30fe523 100644
--- a/dist/es/browserify.index.js
+++ b/dist/es/browserify.index.js
@@ -1,6 +1,8 @@
-var module = require('./index.es5.js');
+"use strict";
 
-var BroadcastChannel = module.BroadcastChannel;
-var createLeaderElection = module.createLeaderElection;
+var _module = require('./index.es5.js');
+
+var BroadcastChannel = _module.BroadcastChannel;
+var createLeaderElection = _module.createLeaderElection;
 window['BroadcastChannel2'] = BroadcastChannel;
 window['createLeaderElection'] = createLeaderElection;
\ No newline at end of file
diff --git a/dist/es/index.es5.js b/dist/es/index.es5.js
index 72f71a17..f61bff0b 100644
--- a/dist/es/index.es5.js
+++ b/dist/es/index.es5.js
@@ -1,3 +1,7 @@
+"use strict";
+
+var _index = require("./index.js");
+
 /**
  * because babel can only export on default-attribute,
  * we use this for the non-module-build
@@ -6,10 +10,9 @@
  * but
  * var BroadcastChannel = require('broadcast-channel');
  */
-import { BroadcastChannel, createLeaderElection, clearNodeFolder, enforceOptions } from './index.js';
 module.exports = {
-  BroadcastChannel: BroadcastChannel,
-  createLeaderElection: createLeaderElection,
-  clearNodeFolder: clearNodeFolder,
-  enforceOptions: enforceOptions
+  BroadcastChannel: _index.BroadcastChannel,
+  createLeaderElection: _index.createLeaderElection,
+  clearNodeFolder: _index.clearNodeFolder,
+  enforceOptions: _index.enforceOptions
 };
\ No newline at end of file
diff --git a/dist/es/index.js b/dist/es/index.js
index 20d17701..a7039fba 100644
--- a/dist/es/index.js
+++ b/dist/es/index.js
@@ -1,2 +1,33 @@
-export { BroadcastChannel, clearNodeFolder, enforceOptions } from './broadcast-channel';
-export { createLeaderElection } from './leader-election';
\ No newline at end of file
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "BroadcastChannel", {
+  enumerable: true,
+  get: function get() {
+    return _broadcastChannel.BroadcastChannel;
+  }
+});
+Object.defineProperty(exports, "clearNodeFolder", {
+  enumerable: true,
+  get: function get() {
+    return _broadcastChannel.clearNodeFolder;
+  }
+});
+Object.defineProperty(exports, "enforceOptions", {
+  enumerable: true,
+  get: function get() {
+    return _broadcastChannel.enforceOptions;
+  }
+});
+Object.defineProperty(exports, "createLeaderElection", {
+  enumerable: true,
+  get: function get() {
+    return _leaderElection.createLeaderElection;
+  }
+});
+
+var _broadcastChannel = require("./broadcast-channel");
+
+var _leaderElection = require("./leader-election");
\ No newline at end of file
diff --git a/dist/es/leader-election.js b/dist/es/leader-election.js
index 90e63218..c34638f3 100644
--- a/dist/es/leader-election.js
+++ b/dist/es/leader-election.js
@@ -1,12 +1,22 @@
-import { sleep, randomToken } from './util.js';
-import unload from 'unload';
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createLeaderElection = createLeaderElection;
+
+var _util = require("./util.js");
+
+var _unload = _interopRequireDefault(require("unload"));
 
 var LeaderElection = function LeaderElection(channel, options) {
   this._channel = channel;
   this._options = options;
   this.isLeader = false;
   this.isDead = false;
-  this.token = randomToken();
+  this.token = (0, _util.randomToken)();
   this._isApl = false; // _isApplying
 
   this._reApply = false; // things to clean up
@@ -57,12 +67,12 @@ LeaderElection.prototype = {
 
     var ret = _sendMessage(this, 'apply') // send out that this one is applying
     .then(function () {
-      return sleep(_this._options.responseTime);
+      return (0, _util.sleep)(_this._options.responseTime);
     }) // let others time to respond
     .then(function () {
       if (stopCriteria) return Promise.reject(new Error());else return _sendMessage(_this, 'apply');
     }).then(function () {
-      return sleep(_this._options.responseTime);
+      return (0, _util.sleep)(_this._options.responseTime);
     }) // let others time to respond
     .then(function () {
       if (stopCriteria) return Promise.reject(new Error());else return _sendMessage(_this);
@@ -176,7 +186,8 @@ function _sendMessage(leaderElector, action) {
 
 function _beLeader(leaderElector) {
   leaderElector.isLeader = true;
-  var unloadFn = unload.add(function () {
+
+  var unloadFn = _unload["default"].add(function () {
     return leaderElector.die();
   });
 
@@ -210,7 +221,7 @@ function fillOptionsWithDefaults(options, channel) {
   return options;
 }
 
-export function createLeaderElection(channel, options) {
+function createLeaderElection(channel, options) {
   if (channel._leaderElector) {
     throw new Error('BroadcastChannel already has a leader-elector');
   }
diff --git a/dist/es/method-chooser.js b/dist/es/method-chooser.js
index 3e34b009..e2c7fe06 100644
--- a/dist/es/method-chooser.js
+++ b/dist/es/method-chooser.js
@@ -1,17 +1,31 @@
-import NativeMethod from './methods/native.js';
-import IndexeDbMethod from './methods/indexed-db.js';
-import LocalstorageMethod from './methods/localstorage.js';
-import SimulateMethod from './methods/simulate.js';
-import { isNode } from './util'; // order is important
-
-var METHODS = [NativeMethod, // fastest
-IndexeDbMethod, LocalstorageMethod];
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.chooseMethod = chooseMethod;
+
+var _native = _interopRequireDefault(require("./methods/native.js"));
+
+var _indexedDb = _interopRequireDefault(require("./methods/indexed-db.js"));
+
+var _localstorage = _interopRequireDefault(require("./methods/localstorage.js"));
+
+var _simulate = _interopRequireDefault(require("./methods/simulate.js"));
+
+var _util = require("./util");
+
+// order is important
+var METHODS = [_native["default"], // fastest
+_indexedDb["default"], _localstorage["default"]];
 /**
  * The NodeMethod is loaded lazy
  * so it will not get bundled in browser-builds
  */
 
-if (isNode) {
+if (_util.isNode) {
   /**
    * we use the non-transpiled code for nodejs
    * because it runs faster
@@ -31,13 +45,13 @@ if (isNode) {
   }
 }
 
-export function chooseMethod(options) {
+function chooseMethod(options) {
   var chooseMethods = [].concat(options.methods, METHODS).filter(Boolean); // directly chosen
 
   if (options.type) {
     if (options.type === 'simulate') {
       // only use simulate-method if directly chosen
-      return SimulateMethod;
+      return _simulate["default"];
     }
 
     var ret = chooseMethods.find(function (m) {
@@ -51,7 +65,7 @@ export function chooseMethod(options) {
    */
 
 
-  if (!options.webWorkerSupport && !isNode) {
+  if (!options.webWorkerSupport && !_util.isNode) {
     chooseMethods = chooseMethods.filter(function (m) {
       return m.type !== 'idb';
     });
diff --git a/dist/es/methods/cookies.js b/dist/es/methods/cookies.js
index f0cf25c8..0011f3e2 100644
--- a/dist/es/methods/cookies.js
+++ b/dist/es/methods/cookies.js
@@ -1,4 +1,5 @@
 /**
  * if you really need this method,
  * implement it
- */
\ No newline at end of file
+ */
+"use strict";
\ No newline at end of file
diff --git a/dist/es/methods/indexed-db.js b/dist/es/methods/indexed-db.js
index eedc7019..aa9e4727 100644
--- a/dist/es/methods/indexed-db.js
+++ b/dist/es/methods/indexed-db.js
@@ -1,16 +1,45 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getIdb = getIdb;
+exports.createDatabase = createDatabase;
+exports.writeMessage = writeMessage;
+exports.getAllMessages = getAllMessages;
+exports.getMessagesHigherThan = getMessagesHigherThan;
+exports.removeMessageById = removeMessageById;
+exports.getOldMessages = getOldMessages;
+exports.cleanOldMessages = cleanOldMessages;
+exports.create = create;
+exports.close = close;
+exports.postMessage = postMessage;
+exports.onMessage = onMessage;
+exports.canBeUsed = canBeUsed;
+exports.averageResponseTime = averageResponseTime;
+exports["default"] = exports.type = exports.microSeconds = void 0;
+
+var _util = require("../util.js");
+
+var _obliviousSet = _interopRequireDefault(require("../oblivious-set"));
+
+var _options = require("../options");
+
 /**
  * this method uses indexeddb to store the messages
  * There is currently no observerAPI for idb
  * @link https://github.com/w3c/IndexedDB/issues/51
  */
-import { sleep, randomInt, randomToken, microSeconds as micro, isNode } from '../util.js';
-export var microSeconds = micro;
-import ObliviousSet from '../oblivious-set';
-import { fillOptionsWithDefaults } from '../options';
+var microSeconds = _util.microSeconds;
+exports.microSeconds = microSeconds;
 var DB_PREFIX = 'pubkey.broadcast-channel-0-';
 var OBJECT_STORE_ID = 'messages';
-export var type = 'idb';
-export function getIdb() {
+var type = 'idb';
+exports.type = type;
+
+function getIdb() {
   if (typeof indexedDB !== 'undefined') return indexedDB;
 
   if (typeof window !== 'undefined') {
@@ -21,7 +50,8 @@ export function getIdb() {
 
   return false;
 }
-export function createDatabase(channelName) {
+
+function createDatabase(channelName) {
   var IndexedDB = getIdb(); // create table
 
   var dbName = DB_PREFIX + channelName;
@@ -51,7 +81,8 @@ export function createDatabase(channelName) {
  * so other readers can find it
  */
 
-export function writeMessage(db, readerUuid, messageJson) {
+
+function writeMessage(db, readerUuid, messageJson) {
   var time = new Date().getTime();
   var writeObject = {
     uuid: readerUuid,
@@ -72,7 +103,8 @@ export function writeMessage(db, readerUuid, messageJson) {
     objectStore.add(writeObject);
   });
 }
-export function getAllMessages(db) {
+
+function getAllMessages(db) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
   return new Promise(function (res) {
@@ -89,12 +121,12 @@ export function getAllMessages(db) {
     };
   });
 }
-export function getMessagesHigherThen(db, lastCursorId) {
+
+function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
-  var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
   return new Promise(function (res) {
-    objectStore.openCursor(keyRangeValue).onsuccess = function (ev) {
+    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
@@ -106,7 +138,8 @@ export function getMessagesHigherThen(db, lastCursorId) {
     };
   });
 }
-export function removeMessageById(db, id) {
+
+function removeMessageById(db, id) {
   var request = db.transaction([OBJECT_STORE_ID], 'readwrite').objectStore(OBJECT_STORE_ID)["delete"](id);
   return new Promise(function (res) {
     request.onsuccess = function () {
@@ -114,7 +147,8 @@ export function removeMessageById(db, id) {
     };
   });
 }
-export function getOldMessages(db, ttl) {
+
+function getOldMessages(db, ttl) {
   var olderThen = new Date().getTime() - ttl;
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
@@ -140,29 +174,31 @@ export function getOldMessages(db, ttl) {
     };
   });
 }
-export function cleanOldMessages(db, ttl) {
+
+function cleanOldMessages(db, ttl) {
   return getOldMessages(db, ttl).then(function (tooOld) {
     return Promise.all(tooOld.map(function (msgObj) {
       return removeMessageById(db, msgObj.id);
     }));
   });
 }
-export function create(channelName, options) {
-  options = fillOptionsWithDefaults(options);
+
+function create(channelName, options) {
+  options = (0, _options.fillOptionsWithDefaults)(options);
   return createDatabase(channelName).then(function (db) {
     var state = {
       closed: false,
       lastCursorId: 0,
       channelName: channelName,
       options: options,
-      uuid: randomToken(),
+      uuid: (0, _util.randomToken)(),
 
       /**
        * emittedMessagesIds
        * contains all messages that have been emitted before
        * @type {ObliviousSet}
        */
-      eMIs: new ObliviousSet(options.idb.ttl * 2),
+      eMIs: new _obliviousSet["default"](options.idb.ttl * 2),
       // ensures we do not read messages in parrallel
       writeBlockPromise: Promise.resolve(),
       messagesCallback: null,
@@ -196,7 +232,7 @@ export function create(channelName, options) {
 function _readLoop(state) {
   if (state.closed) return;
   readNewMessages(state).then(function () {
-    return sleep(state.options.idb.fallbackInterval);
+    return (0, _util.sleep)(state.options.idb.fallbackInterval);
   }).then(function () {
     return _readLoop(state);
   });
@@ -221,7 +257,7 @@ function readNewMessages(state) {
   if (state.closed) return Promise.resolve(); // if no one is listening, we do not need to scan for new messages
 
   if (!state.messagesCallback) return Promise.resolve();
-  return getMessagesHigherThen(state.db, state.lastCursorId).then(function (newerMessages) {
+  return getMessagesHigherThan(state.db, state.lastCursorId).then(function (newerMessages) {
     var useMessages = newerMessages
     /**
      * there is a bug in iOS where the msgObj can be undefined some times
@@ -252,36 +288,41 @@ function readNewMessages(state) {
   });
 }
 
-export function close(channelState) {
+function close(channelState) {
   channelState.closed = true;
   channelState.db.close();
 }
-export function postMessage(channelState, messageJson) {
+
+function postMessage(channelState, messageJson) {
   channelState.writeBlockPromise = channelState.writeBlockPromise.then(function () {
     return writeMessage(channelState.db, channelState.uuid, messageJson);
   }).then(function () {
-    if (randomInt(0, 10) === 0) {
+    if ((0, _util.randomInt)(0, 10) === 0) {
       /* await (do not await) */
       cleanOldMessages(channelState.db, channelState.options.idb.ttl);
     }
   });
   return channelState.writeBlockPromise;
 }
-export function onMessage(channelState, fn, time) {
+
+function onMessage(channelState, fn, time) {
   channelState.messagesCallbackTime = time;
   channelState.messagesCallback = fn;
   readNewMessages(channelState);
 }
-export function canBeUsed() {
-  if (isNode) return false;
+
+function canBeUsed() {
+  if (_util.isNode) return false;
   var idb = getIdb();
   if (!idb) return false;
   return true;
 }
-export function averageResponseTime(options) {
+
+function averageResponseTime(options) {
   return options.idb.fallbackInterval * 2;
 }
-export default {
+
+var _default = {
   create: create,
   close: close,
   onMessage: onMessage,
@@ -290,4 +331,5 @@ export default {
   type: type,
   averageResponseTime: averageResponseTime,
   microSeconds: microSeconds
-};
\ No newline at end of file
+};
+exports["default"] = _default;
\ No newline at end of file
diff --git a/dist/es/methods/localstorage.js b/dist/es/methods/localstorage.js
index da9a304f..b5d0dca1 100644
--- a/dist/es/methods/localstorage.js
+++ b/dist/es/methods/localstorage.js
@@ -1,3 +1,28 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getLocalStorage = getLocalStorage;
+exports.storageKey = storageKey;
+exports.postMessage = postMessage;
+exports.addStorageEventListener = addStorageEventListener;
+exports.removeStorageEventListener = removeStorageEventListener;
+exports.create = create;
+exports.close = close;
+exports.onMessage = onMessage;
+exports.canBeUsed = canBeUsed;
+exports.averageResponseTime = averageResponseTime;
+exports["default"] = exports.type = exports.microSeconds = void 0;
+
+var _obliviousSet = _interopRequireDefault(require("../oblivious-set"));
+
+var _options = require("../options");
+
+var _util = require("../util");
+
 /**
  * A localStorage-only method which uses localstorage and its 'storage'-event
  * This does not work inside of webworkers because they have no access to locastorage
@@ -5,18 +30,18 @@
  * @link https://caniuse.com/#feat=namevalue-storage
  * @link https://caniuse.com/#feat=indexeddb
  */
-import ObliviousSet from '../oblivious-set';
-import { fillOptionsWithDefaults } from '../options';
-import { sleep, randomToken, microSeconds as micro, isNode } from '../util';
-export var microSeconds = micro;
+var microSeconds = _util.microSeconds;
+exports.microSeconds = microSeconds;
 var KEY_PREFIX = 'pubkey.broadcastChannel-';
-export var type = 'localstorage';
+var type = 'localstorage';
 /**
  * copied from crosstab
  * @link https://github.com/tejacques/crosstab/blob/master/src/crosstab.js#L32
  */
 
-export function getLocalStorage() {
+exports.type = type;
+
+function getLocalStorage() {
   var localStorage;
   if (typeof window === 'undefined') return null;
 
@@ -30,7 +55,8 @@ export function getLocalStorage() {
 
   return localStorage;
 }
-export function storageKey(channelName) {
+
+function storageKey(channelName) {
   return KEY_PREFIX + channelName;
 }
 /**
@@ -38,12 +64,13 @@ export function storageKey(channelName) {
 * and fires the storage-event so other readers can find it
 */
 
-export function postMessage(channelState, messageJson) {
+
+function postMessage(channelState, messageJson) {
   return new Promise(function (res) {
-    sleep().then(function () {
+    (0, _util.sleep)().then(function () {
       var key = storageKey(channelState.channelName);
       var writeObj = {
-        token: randomToken(),
+        token: (0, _util.randomToken)(),
         time: new Date().getTime(),
         data: messageJson,
         uuid: channelState.uuid
@@ -65,7 +92,8 @@ export function postMessage(channelState, messageJson) {
     });
   });
 }
-export function addStorageEventListener(channelName, fn) {
+
+function addStorageEventListener(channelName, fn) {
   var key = storageKey(channelName);
 
   var listener = function listener(ev) {
@@ -77,24 +105,26 @@ export function addStorageEventListener(channelName, fn) {
   window.addEventListener('storage', listener);
   return listener;
 }
-export function removeStorageEventListener(listener) {
+
+function removeStorageEventListener(listener) {
   window.removeEventListener('storage', listener);
 }
-export function create(channelName, options) {
-  options = fillOptionsWithDefaults(options);
+
+function create(channelName, options) {
+  options = (0, _options.fillOptionsWithDefaults)(options);
 
   if (!canBeUsed()) {
     throw new Error('BroadcastChannel: localstorage cannot be used');
   }
 
-  var uuid = randomToken();
+  var uuid = (0, _util.randomToken)();
   /**
    * eMIs
    * contains all messages that have been emitted before
    * @type {ObliviousSet}
    */
 
-  var eMIs = new ObliviousSet(options.localstorage.removeTimeout);
+  var eMIs = new _obliviousSet["default"](options.localstorage.removeTimeout);
   var state = {
     channelName: channelName,
     uuid: uuid,
@@ -115,15 +145,18 @@ export function create(channelName, options) {
   });
   return state;
 }
-export function close(channelState) {
+
+function close(channelState) {
   removeStorageEventListener(channelState.listener);
 }
-export function onMessage(channelState, fn, time) {
+
+function onMessage(channelState, fn, time) {
   channelState.messagesCallbackTime = time;
   channelState.messagesCallback = fn;
 }
-export function canBeUsed() {
-  if (isNode) return false;
+
+function canBeUsed() {
+  if (_util.isNode) return false;
   var ls = getLocalStorage();
   if (!ls) return false;
 
@@ -140,7 +173,8 @@ export function canBeUsed() {
 
   return true;
 }
-export function averageResponseTime() {
+
+function averageResponseTime() {
   var defaultTime = 120;
   var userAgent = navigator.userAgent.toLowerCase();
 
@@ -151,7 +185,8 @@ export function averageResponseTime() {
 
   return defaultTime;
 }
-export default {
+
+var _default = {
   create: create,
   close: close,
   onMessage: onMessage,
@@ -160,4 +195,5 @@ export default {
   type: type,
   averageResponseTime: averageResponseTime,
   microSeconds: microSeconds
-};
\ No newline at end of file
+};
+exports["default"] = _default;
\ No newline at end of file
diff --git a/dist/es/methods/native.js b/dist/es/methods/native.js
index fb67fa3b..91a4e66e 100644
--- a/dist/es/methods/native.js
+++ b/dist/es/methods/native.js
@@ -1,7 +1,24 @@
-import { microSeconds as micro, isNode } from '../util';
-export var microSeconds = micro;
-export var type = 'native';
-export function create(channelName) {
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.create = create;
+exports.close = close;
+exports.postMessage = postMessage;
+exports.onMessage = onMessage;
+exports.canBeUsed = canBeUsed;
+exports.averageResponseTime = averageResponseTime;
+exports["default"] = exports.type = exports.microSeconds = void 0;
+
+var _util = require("../util");
+
+var microSeconds = _util.microSeconds;
+exports.microSeconds = microSeconds;
+var type = 'native';
+exports.type = type;
+
+function create(channelName) {
   var state = {
     messagesCallback: null,
     bc: new BroadcastChannel(channelName),
@@ -17,22 +34,26 @@ export function create(channelName) {
 
   return state;
 }
-export function close(channelState) {
+
+function close(channelState) {
   channelState.bc.close();
   channelState.subFns = [];
 }
-export function postMessage(channelState, messageJson) {
+
+function postMessage(channelState, messageJson) {
   channelState.bc.postMessage(messageJson, false);
 }
-export function onMessage(channelState, fn) {
+
+function onMessage(channelState, fn) {
   channelState.messagesCallback = fn;
 }
-export function canBeUsed() {
+
+function canBeUsed() {
   /**
    * in the electron-renderer, isNode will be true even if we are in browser-context
    * so we also check if window is undefined
    */
-  if (isNode && typeof window === 'undefined') return false;
+  if (_util.isNode && typeof window === 'undefined') return false;
 
   if (typeof BroadcastChannel === 'function') {
     if (BroadcastChannel._pubkey) {
@@ -42,10 +63,12 @@ export function canBeUsed() {
     return true;
   } else return false;
 }
-export function averageResponseTime() {
+
+function averageResponseTime() {
   return 150;
 }
-export default {
+
+var _default = {
   create: create,
   close: close,
   onMessage: onMessage,
@@ -54,4 +77,5 @@ export default {
   type: type,
   averageResponseTime: averageResponseTime,
   microSeconds: microSeconds
-};
\ No newline at end of file
+};
+exports["default"] = _default;
\ No newline at end of file
diff --git a/dist/es/methods/node.js b/dist/es/methods/node.js
index d74f78ae..db11c1a5 100644
--- a/dist/es/methods/node.js
+++ b/dist/es/methods/node.js
@@ -1,5 +1,10 @@
-import _regeneratorRuntime from "@babel/runtime/regenerator";
-import _asyncToGenerator from "@babel/runtime/helpers/asyncToGenerator";
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
+
+var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
 
 /**
  * this method is used in nodejs-environments.
@@ -96,8 +101,8 @@ function ensureBaseFolderExists() {
 }
 
 function _ensureBaseFolderExists() {
-  _ensureBaseFolderExists = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee4() {
-    return _regeneratorRuntime.wrap(function _callee4$(_context4) {
+  _ensureBaseFolderExists = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee4() {
+    return _regenerator["default"].wrap(function _callee4$(_context4) {
       while (1) {
         switch (_context4.prev = _context4.next) {
           case 0:
@@ -129,9 +134,9 @@ function ensureFoldersExist(_x, _x2) {
 
 
 function _ensureFoldersExist() {
-  _ensureFoldersExist = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee5(channelName, paths) {
+  _ensureFoldersExist = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee5(channelName, paths) {
     var chmodValue;
-    return _regeneratorRuntime.wrap(function _callee5$(_context5) {
+    return _regenerator["default"].wrap(function _callee5$(_context5) {
       while (1) {
         switch (_context5.prev = _context5.next) {
           case 0:
@@ -176,8 +181,8 @@ function clearNodeFolder() {
 }
 
 function _clearNodeFolder() {
-  _clearNodeFolder = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee6() {
-    return _regeneratorRuntime.wrap(function _callee6$(_context6) {
+  _clearNodeFolder = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee6() {
+    return _regenerator["default"].wrap(function _callee6$(_context6) {
       while (1) {
         switch (_context6.prev = _context6.next) {
           case 0:
@@ -244,9 +249,9 @@ function countChannelFolders() {
 }
 
 function _countChannelFolders() {
-  _countChannelFolders = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee7() {
+  _countChannelFolders = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee7() {
     var folders;
-    return _regeneratorRuntime.wrap(function _callee7$(_context7) {
+    return _regenerator["default"].wrap(function _callee7$(_context7) {
       while (1) {
         switch (_context7.prev = _context7.next) {
           case 0:
@@ -281,9 +286,9 @@ function connectionError(_x3) {
 
 
 function _connectionError() {
-  _connectionError = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee8(originalError) {
+  _connectionError = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee8(originalError) {
     var count, addObj, text, newError;
-    return _regeneratorRuntime.wrap(function _callee8$(_context8) {
+    return _regenerator["default"].wrap(function _callee8$(_context8) {
       while (1) {
         switch (_context8.prev = _context8.next) {
           case 0:
@@ -326,9 +331,9 @@ function createSocketEventEmitter(_x4, _x5, _x6) {
 }
 
 function _createSocketEventEmitter() {
-  _createSocketEventEmitter = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee11(channelName, readerUuid, paths) {
+  _createSocketEventEmitter = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee11(channelName, readerUuid, paths) {
     var pathToSocket, emitter, server;
-    return _regeneratorRuntime.wrap(function _callee11$(_context11) {
+    return _regenerator["default"].wrap(function _callee11$(_context11) {
       while (1) {
         switch (_context11.prev = _context11.next) {
           case 0:
@@ -343,9 +348,9 @@ function _createSocketEventEmitter() {
             _context11.next = 5;
             return new Promise(function (resolve, reject) {
               server.on('error', /*#__PURE__*/function () {
-                var _ref5 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee9(err) {
+                var _ref5 = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee9(err) {
                   var useErr;
-                  return _regeneratorRuntime.wrap(function _callee9$(_context9) {
+                  return _regenerator["default"].wrap(function _callee9$(_context9) {
                     while (1) {
                       switch (_context9.prev = _context9.next) {
                         case 0:
@@ -369,9 +374,9 @@ function _createSocketEventEmitter() {
                 };
               }());
               server.listen(pathToSocket, /*#__PURE__*/function () {
-                var _ref6 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee10(err, res) {
+                var _ref6 = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee10(err, res) {
                   var useErr;
-                  return _regeneratorRuntime.wrap(function _callee10$(_context10) {
+                  return _regenerator["default"].wrap(function _callee10$(_context10) {
                     while (1) {
                       switch (_context10.prev = _context10.next) {
                         case 0:
@@ -434,9 +439,9 @@ function openClientConnection(_x7, _x8) {
 
 
 function _openClientConnection() {
-  _openClientConnection = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee12(channelName, readerUuid) {
+  _openClientConnection = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee12(channelName, readerUuid) {
     var pathToSocket, client;
-    return _regeneratorRuntime.wrap(function _callee12$(_context12) {
+    return _regenerator["default"].wrap(function _callee12$(_context12) {
       while (1) {
         switch (_context12.prev = _context12.next) {
           case 0:
@@ -492,9 +497,9 @@ function getReadersUuids(_x9, _x10) {
 }
 
 function _getReadersUuids() {
-  _getReadersUuids = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee13(channelName, paths) {
+  _getReadersUuids = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee13(channelName, paths) {
     var readersPath, files;
-    return _regeneratorRuntime.wrap(function _callee13$(_context13) {
+    return _regenerator["default"].wrap(function _callee13$(_context13) {
       while (1) {
         switch (_context13.prev = _context13.next) {
           case 0:
@@ -529,9 +534,9 @@ function messagePath(_x11, _x12, _x13, _x14) {
 }
 
 function _messagePath() {
-  _messagePath = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee14(channelName, time, token, writerUuid) {
+  _messagePath = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee14(channelName, time, token, writerUuid) {
     var fileName, msgPath;
-    return _regeneratorRuntime.wrap(function _callee14$(_context14) {
+    return _regenerator["default"].wrap(function _callee14$(_context14) {
       while (1) {
         switch (_context14.prev = _context14.next) {
           case 0:
@@ -554,9 +559,9 @@ function getAllMessages(_x15, _x16) {
 }
 
 function _getAllMessages() {
-  _getAllMessages = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee15(channelName, paths) {
+  _getAllMessages = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee15(channelName, paths) {
     var messagesPath, files;
-    return _regeneratorRuntime.wrap(function _callee15$(_context15) {
+    return _regenerator["default"].wrap(function _callee15$(_context15) {
       while (1) {
         switch (_context15.prev = _context15.next) {
           case 0:
@@ -609,9 +614,9 @@ function cleanOldMessages(_x17, _x18) {
 }
 
 function _cleanOldMessages() {
-  _cleanOldMessages = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee16(messageObjects, ttl) {
+  _cleanOldMessages = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee16(messageObjects, ttl) {
     var olderThen;
-    return _regeneratorRuntime.wrap(function _callee16$(_context16) {
+    return _regenerator["default"].wrap(function _callee16$(_context16) {
       while (1) {
         switch (_context16.prev = _context16.next) {
           case 0:
@@ -646,7 +651,7 @@ function create(_x19) {
 }
 
 function _create() {
-  _create = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee17(channelName) {
+  _create = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee17(channelName) {
     var options,
         time,
         paths,
@@ -658,7 +663,7 @@ function _create() {
         infoFilePath,
         _args17 = arguments;
 
-    return _regeneratorRuntime.wrap(function _callee17$(_context17) {
+    return _regenerator["default"].wrap(function _callee17$(_context17) {
       while (1) {
         switch (_context17.prev = _context17.next) {
           case 0:
@@ -760,9 +765,9 @@ function handleMessagePing(_x20, _x21) {
 
 
 function _handleMessagePing() {
-  _handleMessagePing = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee18(state, msgObj) {
+  _handleMessagePing = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee18(state, msgObj) {
     var messages, useMessages;
-    return _regeneratorRuntime.wrap(function _callee18$(_context18) {
+    return _regenerator["default"].wrap(function _callee18$(_context18) {
       while (1) {
         switch (_context18.prev = _context18.next) {
           case 0:
@@ -840,8 +845,8 @@ function refreshReaderClients(channelState) {
     Object.keys(channelState.otherReaderClients).filter(function (readerUuid) {
       return !otherReaders.includes(readerUuid);
     }).forEach( /*#__PURE__*/function () {
-      var _ref = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee(readerUuid) {
-        return _regeneratorRuntime.wrap(function _callee$(_context) {
+      var _ref = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee(readerUuid) {
+        return _regenerator["default"].wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
@@ -880,9 +885,9 @@ function refreshReaderClients(channelState) {
       return !channelState.otherReaderClients[readerUuid];
     }) // not already has client
     .map( /*#__PURE__*/function () {
-      var _ref2 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee2(readerUuid) {
+      var _ref2 = (0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee2(readerUuid) {
         var client;
-        return _regeneratorRuntime.wrap(function _callee2$(_context2) {
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
           while (1) {
             switch (_context2.prev = _context2.next) {
               case 0:
@@ -940,10 +945,10 @@ function refreshReaderClients(channelState) {
 
 function postMessage(channelState, messageJson) {
   var writePromise = writeMessage(channelState.channelName, channelState.uuid, messageJson, channelState.paths);
-  channelState.writeBlockPromise = channelState.writeBlockPromise.then( /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee3() {
+  channelState.writeBlockPromise = channelState.writeBlockPromise.then( /*#__PURE__*/(0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee3() {
     var _yield$Promise$all, msgObj, pingStr, writeToReadersPromise;
 
-    return _regeneratorRuntime.wrap(function _callee3$(_context3) {
+    return _regenerator["default"].wrap(function _callee3$(_context3) {
       while (1) {
         switch (_context3.prev = _context3.next) {
           case 0:
diff --git a/dist/es/methods/simulate.js b/dist/es/methods/simulate.js
index 135256bc..09b12b89 100644
--- a/dist/es/methods/simulate.js
+++ b/dist/es/methods/simulate.js
@@ -1,8 +1,25 @@
-import { microSeconds as micro } from '../util';
-export var microSeconds = micro;
-export var type = 'simulate';
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.create = create;
+exports.close = close;
+exports.postMessage = postMessage;
+exports.onMessage = onMessage;
+exports.canBeUsed = canBeUsed;
+exports.averageResponseTime = averageResponseTime;
+exports["default"] = exports.type = exports.microSeconds = void 0;
+
+var _util = require("../util");
+
+var microSeconds = _util.microSeconds;
+exports.microSeconds = microSeconds;
+var type = 'simulate';
+exports.type = type;
 var SIMULATE_CHANNELS = new Set();
-export function create(channelName) {
+
+function create(channelName) {
   var state = {
     name: channelName,
     messagesCallback: null
@@ -10,10 +27,12 @@ export function create(channelName) {
   SIMULATE_CHANNELS.add(state);
   return state;
 }
-export function close(channelState) {
+
+function close(channelState) {
   SIMULATE_CHANNELS["delete"](channelState);
 }
-export function postMessage(channelState, messageJson) {
+
+function postMessage(channelState, messageJson) {
   return new Promise(function (res) {
     return setTimeout(function () {
       var channelArray = Array.from(SIMULATE_CHANNELS);
@@ -30,16 +49,20 @@ export function postMessage(channelState, messageJson) {
     }, 5);
   });
 }
-export function onMessage(channelState, fn) {
+
+function onMessage(channelState, fn) {
   channelState.messagesCallback = fn;
 }
-export function canBeUsed() {
+
+function canBeUsed() {
   return true;
 }
-export function averageResponseTime() {
+
+function averageResponseTime() {
   return 5;
 }
-export default {
+
+var _default = {
   create: create,
   close: close,
   onMessage: onMessage,
@@ -48,4 +71,5 @@ export default {
   type: type,
   averageResponseTime: averageResponseTime,
   microSeconds: microSeconds
-};
\ No newline at end of file
+};
+exports["default"] = _default;
\ No newline at end of file
diff --git a/dist/es/oblivious-set.js b/dist/es/oblivious-set.js
index 840865c5..875cc485 100644
--- a/dist/es/oblivious-set.js
+++ b/dist/es/oblivious-set.js
@@ -1,3 +1,10 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = void 0;
+
 /**
  * this is a set which automatically forgets
  * a given entry when a new entry is set and the ttl
@@ -46,4 +53,5 @@ function now() {
   return new Date().getTime();
 }
 
-export default ObliviousSet;
\ No newline at end of file
+var _default = ObliviousSet;
+exports["default"] = _default;
\ No newline at end of file
diff --git a/dist/es/options.js b/dist/es/options.js
index d5354bee..18d4d8a5 100644
--- a/dist/es/options.js
+++ b/dist/es/options.js
@@ -1,4 +1,11 @@
-export function fillOptionsWithDefaults() {
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.fillOptionsWithDefaults = fillOptionsWithDefaults;
+
+function fillOptionsWithDefaults() {
   var originalOptions = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
   var options = JSON.parse(JSON.stringify(originalOptions)); // main
 
diff --git a/dist/es/util.js b/dist/es/util.js
index f8fc8363..8fba57af 100644
--- a/dist/es/util.js
+++ b/dist/es/util.js
@@ -1,29 +1,45 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isPromise = isPromise;
+exports.sleep = sleep;
+exports.randomInt = randomInt;
+exports.randomToken = randomToken;
+exports.microSeconds = microSeconds;
+exports.isNode = void 0;
+
 /**
  * returns true if the given object is a promise
  */
-export function isPromise(obj) {
+function isPromise(obj) {
   if (obj && typeof obj.then === 'function') {
     return true;
   } else {
     return false;
   }
 }
-export function sleep(time) {
+
+function sleep(time) {
   if (!time) time = 0;
   return new Promise(function (res) {
     return setTimeout(res, time);
   });
 }
-export function randomInt(min, max) {
+
+function randomInt(min, max) {
   return Math.floor(Math.random() * (max - min + 1) + min);
 }
 /**
  * https://stackoverflow.com/a/8084248
  */
 
-export function randomToken() {
+
+function randomToken() {
   return Math.random().toString(36).substring(2);
 }
+
 var lastMs = 0;
 var additional = 0;
 /**
@@ -34,7 +50,7 @@ var additional = 0;
  * The main reason for this hack is to ensure that BroadcastChannel behaves equal to production when it is used in fast-running unit tests.
  */
 
-export function microSeconds() {
+function microSeconds() {
   var ms = new Date().getTime();
 
   if (ms === lastMs) {
@@ -52,4 +68,6 @@ export function microSeconds() {
  * @link https://github.com/iliakan/detect-node/blob/master/index.js
  */
 
-export var isNode = Object.prototype.toString.call(typeof process !== 'undefined' ? process : 0) === '[object process]';
\ No newline at end of file
+
+var isNode = Object.prototype.toString.call(typeof process !== 'undefined' ? process : 0) === '[object process]';
+exports.isNode = isNode;
\ No newline at end of file
diff --git a/dist/lib/browser.js b/dist/lib/browser.js
index a18fd0d7..7d647ab0 100644
--- a/dist/lib/browser.js
+++ b/dist/lib/browser.js
@@ -642,7 +642,7 @@ exports.getIdb = getIdb;
 exports.createDatabase = createDatabase;
 exports.writeMessage = writeMessage;
 exports.getAllMessages = getAllMessages;
-exports.getMessagesHigherThen = getMessagesHigherThen;
+exports.getMessagesHigherThan = getMessagesHigherThan;
 exports.removeMessageById = removeMessageById;
 exports.getOldMessages = getOldMessages;
 exports.cleanOldMessages = cleanOldMessages;
@@ -755,12 +755,11 @@ function getAllMessages(db) {
   });
 }
 
-function getMessagesHigherThen(db, lastCursorId) {
+function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
-  var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
   return new Promise(function (res) {
-    objectStore.openCursor(keyRangeValue).onsuccess = function (ev) {
+    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
@@ -891,7 +890,7 @@ function readNewMessages(state) {
   if (state.closed) return Promise.resolve(); // if no one is listening, we do not need to scan for new messages
 
   if (!state.messagesCallback) return Promise.resolve();
-  return getMessagesHigherThen(state.db, state.lastCursorId).then(function (newerMessages) {
+  return getMessagesHigherThan(state.db, state.lastCursorId).then(function (newerMessages) {
     var useMessages = newerMessages
     /**
      * there is a bug in iOS where the msgObj can be undefined some times
diff --git a/dist/lib/browser.min.js b/dist/lib/browser.min.js
index 2c3fddc9..4b050eef 100644
--- a/dist/lib/browser.min.js
+++ b/dist/lib/browser.min.js
@@ -1 +1 @@
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r=e("@babel/runtime/helpers/interopRequireDefault");Object.defineProperty(n,"__esModule",{value:!0}),n.add=c,n.runAll=l,n.removeAll=d,n.getSize=f,n.default=void 0;var o=r(e("detect-node")),i=r(e("./browser.js")),e=r(e("./node.js")),s=(o.default?e:i).default,a=new Set,u=!1;function c(e){if(u||(u=!0,s.add(l)),"function"!=typeof e)throw new Error("Listener is no function");return a.add(e),{remove:function(){return a.delete(e)},run:function(){return a.delete(e),e()}}}function l(){var t=[];return a.forEach(function(e){t.push(e()),a.delete(e)}),Promise.all(t)}function d(){a.clear()}function f(){return a.size}i={add:c,runAll:l,removeAll:d,getSize:f};n.default=i},{"./browser.js":18,"./node.js":15,"@babel/runtime/helpers/interopRequireDefault":14,"detect-node":16}]},{},[2]);
\ No newline at end of file
diff --git a/dist/lib/methods/indexed-db.js b/dist/lib/methods/indexed-db.js
index 52c89be4..aa9e4727 100644
--- a/dist/lib/methods/indexed-db.js
+++ b/dist/lib/methods/indexed-db.js
@@ -9,7 +9,7 @@ exports.getIdb = getIdb;
 exports.createDatabase = createDatabase;
 exports.writeMessage = writeMessage;
 exports.getAllMessages = getAllMessages;
-exports.getMessagesHigherThen = getMessagesHigherThen;
+exports.getMessagesHigherThan = getMessagesHigherThan;
 exports.removeMessageById = removeMessageById;
 exports.getOldMessages = getOldMessages;
 exports.cleanOldMessages = cleanOldMessages;
@@ -122,12 +122,11 @@ function getAllMessages(db) {
   });
 }
 
-function getMessagesHigherThen(db, lastCursorId) {
+function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
-  var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
   return new Promise(function (res) {
-    objectStore.openCursor(keyRangeValue).onsuccess = function (ev) {
+    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
@@ -258,7 +257,7 @@ function readNewMessages(state) {
   if (state.closed) return Promise.resolve(); // if no one is listening, we do not need to scan for new messages
 
   if (!state.messagesCallback) return Promise.resolve();
-  return getMessagesHigherThen(state.db, state.lastCursorId).then(function (newerMessages) {
+  return getMessagesHigherThan(state.db, state.lastCursorId).then(function (newerMessages) {
     var useMessages = newerMessages
     /**
      * there is a bug in iOS where the msgObj can be undefined some times
diff --git a/docs/e2e.js b/docs/e2e.js
index ef77ff7e..c4aab2bd 100644
--- a/docs/e2e.js
+++ b/docs/e2e.js
@@ -633,7 +633,7 @@ exports.getIdb = getIdb;
 exports.createDatabase = createDatabase;
 exports.writeMessage = writeMessage;
 exports.getAllMessages = getAllMessages;
-exports.getMessagesHigherThen = getMessagesHigherThen;
+exports.getMessagesHigherThan = getMessagesHigherThan;
 exports.removeMessageById = removeMessageById;
 exports.getOldMessages = getOldMessages;
 exports.cleanOldMessages = cleanOldMessages;
@@ -746,12 +746,11 @@ function getAllMessages(db) {
   });
 }
 
-function getMessagesHigherThen(db, lastCursorId) {
+function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
-  var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
   return new Promise(function (res) {
-    objectStore.openCursor(keyRangeValue).onsuccess = function (ev) {
+    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
@@ -882,7 +881,7 @@ function readNewMessages(state) {
   if (state.closed) return Promise.resolve(); // if no one is listening, we do not need to scan for new messages
 
   if (!state.messagesCallback) return Promise.resolve();
-  return getMessagesHigherThen(state.db, state.lastCursorId).then(function (newerMessages) {
+  return getMessagesHigherThan(state.db, state.lastCursorId).then(function (newerMessages) {
     var useMessages = newerMessages
     /**
      * there is a bug in iOS where the msgObj can be undefined some times
@@ -1782,7 +1781,7 @@ module.exports = function (it) {
 };
 
 },{"./_is-object":44}],34:[function(require,module,exports){
-var core = module.exports = { version: '2.6.11' };
+var core = module.exports = { version: '2.6.12' };
 if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
 
 },{}],35:[function(require,module,exports){
@@ -3803,7 +3802,7 @@ var store = global[SHARED] || (global[SHARED] = {});
 })('versions', []).push({
   version: core.version,
   mode: require('./_library') ? 'pure' : 'global',
-  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
+  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
 });
 
 },{"./_core":68,"./_global":86,"./_library":105}],143:[function(require,module,exports){
diff --git a/docs/iframe.js b/docs/iframe.js
index 9ae11d3d..83bab812 100644
--- a/docs/iframe.js
+++ b/docs/iframe.js
@@ -633,7 +633,7 @@ exports.getIdb = getIdb;
 exports.createDatabase = createDatabase;
 exports.writeMessage = writeMessage;
 exports.getAllMessages = getAllMessages;
-exports.getMessagesHigherThen = getMessagesHigherThen;
+exports.getMessagesHigherThan = getMessagesHigherThan;
 exports.removeMessageById = removeMessageById;
 exports.getOldMessages = getOldMessages;
 exports.cleanOldMessages = cleanOldMessages;
@@ -746,12 +746,11 @@ function getAllMessages(db) {
   });
 }
 
-function getMessagesHigherThen(db, lastCursorId) {
+function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
-  var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
   return new Promise(function (res) {
-    objectStore.openCursor(keyRangeValue).onsuccess = function (ev) {
+    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
@@ -882,7 +881,7 @@ function readNewMessages(state) {
   if (state.closed) return Promise.resolve(); // if no one is listening, we do not need to scan for new messages
 
   if (!state.messagesCallback) return Promise.resolve();
-  return getMessagesHigherThen(state.db, state.lastCursorId).then(function (newerMessages) {
+  return getMessagesHigherThan(state.db, state.lastCursorId).then(function (newerMessages) {
     var useMessages = newerMessages
     /**
      * there is a bug in iOS where the msgObj can be undefined some times
@@ -1741,7 +1740,7 @@ module.exports = function (it) {
 };
 
 },{"./_is-object":42}],32:[function(require,module,exports){
-var core = module.exports = { version: '2.6.11' };
+var core = module.exports = { version: '2.6.12' };
 if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
 
 },{}],33:[function(require,module,exports){
@@ -3762,7 +3761,7 @@ var store = global[SHARED] || (global[SHARED] = {});
 })('versions', []).push({
   version: core.version,
   mode: require('./_library') ? 'pure' : 'global',
-  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
+  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
 });
 
 },{"./_core":66,"./_global":84,"./_library":103}],141:[function(require,module,exports){
diff --git a/docs/index.js b/docs/index.js
index db2457e2..f880e428 100644
--- a/docs/index.js
+++ b/docs/index.js
@@ -633,7 +633,7 @@ exports.getIdb = getIdb;
 exports.createDatabase = createDatabase;
 exports.writeMessage = writeMessage;
 exports.getAllMessages = getAllMessages;
-exports.getMessagesHigherThen = getMessagesHigherThen;
+exports.getMessagesHigherThan = getMessagesHigherThan;
 exports.removeMessageById = removeMessageById;
 exports.getOldMessages = getOldMessages;
 exports.cleanOldMessages = cleanOldMessages;
@@ -746,12 +746,11 @@ function getAllMessages(db) {
   });
 }
 
-function getMessagesHigherThen(db, lastCursorId) {
+function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
-  var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
   return new Promise(function (res) {
-    objectStore.openCursor(keyRangeValue).onsuccess = function (ev) {
+    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
@@ -882,7 +881,7 @@ function readNewMessages(state) {
   if (state.closed) return Promise.resolve(); // if no one is listening, we do not need to scan for new messages
 
   if (!state.messagesCallback) return Promise.resolve();
-  return getMessagesHigherThen(state.db, state.lastCursorId).then(function (newerMessages) {
+  return getMessagesHigherThan(state.db, state.lastCursorId).then(function (newerMessages) {
     var useMessages = newerMessages
     /**
      * there is a bug in iOS where the msgObj can be undefined some times
@@ -1741,7 +1740,7 @@ module.exports = function (it) {
 };
 
 },{"./_is-object":42}],32:[function(require,module,exports){
-var core = module.exports = { version: '2.6.11' };
+var core = module.exports = { version: '2.6.12' };
 if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
 
 },{}],33:[function(require,module,exports){
@@ -3762,7 +3761,7 @@ var store = global[SHARED] || (global[SHARED] = {});
 })('versions', []).push({
   version: core.version,
   mode: require('./_library') ? 'pure' : 'global',
-  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
+  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
 });
 
 },{"./_core":66,"./_global":84,"./_library":103}],141:[function(require,module,exports){
diff --git a/docs/leader-iframe.js b/docs/leader-iframe.js
index 7ffbcab2..13009252 100644
--- a/docs/leader-iframe.js
+++ b/docs/leader-iframe.js
@@ -633,7 +633,7 @@ exports.getIdb = getIdb;
 exports.createDatabase = createDatabase;
 exports.writeMessage = writeMessage;
 exports.getAllMessages = getAllMessages;
-exports.getMessagesHigherThen = getMessagesHigherThen;
+exports.getMessagesHigherThan = getMessagesHigherThan;
 exports.removeMessageById = removeMessageById;
 exports.getOldMessages = getOldMessages;
 exports.cleanOldMessages = cleanOldMessages;
@@ -746,12 +746,11 @@ function getAllMessages(db) {
   });
 }
 
-function getMessagesHigherThen(db, lastCursorId) {
+function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
-  var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
   return new Promise(function (res) {
-    objectStore.openCursor(keyRangeValue).onsuccess = function (ev) {
+    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
@@ -882,7 +881,7 @@ function readNewMessages(state) {
   if (state.closed) return Promise.resolve(); // if no one is listening, we do not need to scan for new messages
 
   if (!state.messagesCallback) return Promise.resolve();
-  return getMessagesHigherThen(state.db, state.lastCursorId).then(function (newerMessages) {
+  return getMessagesHigherThan(state.db, state.lastCursorId).then(function (newerMessages) {
     var useMessages = newerMessages
     /**
      * there is a bug in iOS where the msgObj can be undefined some times
@@ -1741,7 +1740,7 @@ module.exports = function (it) {
 };
 
 },{"./_is-object":42}],32:[function(require,module,exports){
-var core = module.exports = { version: '2.6.11' };
+var core = module.exports = { version: '2.6.12' };
 if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
 
 },{}],33:[function(require,module,exports){
@@ -3762,7 +3761,7 @@ var store = global[SHARED] || (global[SHARED] = {});
 })('versions', []).push({
   version: core.version,
   mode: require('./_library') ? 'pure' : 'global',
-  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
+  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
 });
 
 },{"./_core":66,"./_global":84,"./_library":103}],141:[function(require,module,exports){
diff --git a/docs/worker.js b/docs/worker.js
index 2373f694..f792d9c6 100644
--- a/docs/worker.js
+++ b/docs/worker.js
@@ -633,7 +633,7 @@ exports.getIdb = getIdb;
 exports.createDatabase = createDatabase;
 exports.writeMessage = writeMessage;
 exports.getAllMessages = getAllMessages;
-exports.getMessagesHigherThen = getMessagesHigherThen;
+exports.getMessagesHigherThan = getMessagesHigherThan;
 exports.removeMessageById = removeMessageById;
 exports.getOldMessages = getOldMessages;
 exports.cleanOldMessages = cleanOldMessages;
@@ -746,12 +746,11 @@ function getAllMessages(db) {
   });
 }
 
-function getMessagesHigherThen(db, lastCursorId) {
+function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
-  var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
   return new Promise(function (res) {
-    objectStore.openCursor(keyRangeValue).onsuccess = function (ev) {
+    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
@@ -882,7 +881,7 @@ function readNewMessages(state) {
   if (state.closed) return Promise.resolve(); // if no one is listening, we do not need to scan for new messages
 
   if (!state.messagesCallback) return Promise.resolve();
-  return getMessagesHigherThen(state.db, state.lastCursorId).then(function (newerMessages) {
+  return getMessagesHigherThan(state.db, state.lastCursorId).then(function (newerMessages) {
     var useMessages = newerMessages
     /**
      * there is a bug in iOS where the msgObj can be undefined some times
@@ -1741,7 +1740,7 @@ module.exports = function (it) {
 };
 
 },{"./_is-object":42}],32:[function(require,module,exports){
-var core = module.exports = { version: '2.6.11' };
+var core = module.exports = { version: '2.6.12' };
 if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
 
 },{}],33:[function(require,module,exports){
@@ -3762,7 +3761,7 @@ var store = global[SHARED] || (global[SHARED] = {});
 })('versions', []).push({
   version: core.version,
   mode: require('./_library') ? 'pure' : 'global',
-  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
+  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
 });
 
 },{"./_core":66,"./_global":84,"./_library":103}],141:[function(require,module,exports){
diff --git a/src/methods/indexed-db.js b/src/methods/indexed-db.js
index 9d9ba4c7..29495507 100644
--- a/src/methods/indexed-db.js
+++ b/src/methods/indexed-db.js
@@ -99,12 +99,11 @@ export function getAllMessages(db) {
     });
 }
 
-export function getMessagesHigherThen(db, lastCursorId) {
+export function getMessagesHigherThan(db, lastCursorId) {
     const objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
     const ret = [];
-    const keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
     return new Promise(res => {
-        objectStore.openCursor(keyRangeValue).onsuccess = ev => {
+        objectStore.openCursor(lastCursorId + 1).onsuccess = ev => {
             const cursor = ev.target.result;
             if (cursor) {
                 ret.push(cursor.value);
@@ -232,7 +231,7 @@ function readNewMessages(state) {
     // if no one is listening, we do not need to scan for new messages
     if (!state.messagesCallback) return Promise.resolve();
 
-    return getMessagesHigherThen(state.db, state.lastCursorId)
+    return getMessagesHigherThan(state.db, state.lastCursorId)
         .then(newerMessages => {
             const useMessages = newerMessages
                 /**

From c331810b2d4a1a77206756c829d017359a3e055d Mon Sep 17 00:00:00 2001
From: Stu Kabakoff <stu.kabakoff@mark43.com>
Date: Tue, 5 Jan 2021 10:57:52 -0500
Subject: [PATCH 2/4] fix spelling in test

---
 test/unit/indexed-db.method.test.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/unit/indexed-db.method.test.js b/test/unit/indexed-db.method.test.js
index 4d4a880c..5700ec5f 100644
--- a/test/unit/indexed-db.method.test.js
+++ b/test/unit/indexed-db.method.test.js
@@ -112,7 +112,7 @@ describe('unit/indexed-db.method.test.js', () => {
             assert.equal(messagesAfter.length, 0);
         });
     });
-    describe('.getMessagesHigherThen()', () => {
+    describe('.getMessagesHigherThan()', () => {
         it('should only get messages with higher id', async () => {
             const channelName = AsyncTestUtil.randomString(10);
             const readerUuid = AsyncTestUtil.randomString(10);
@@ -128,7 +128,7 @@ describe('unit/indexed-db.method.test.js', () => {
             );
 
             // get last 5 messages
-            const lastFive = await IndexedDbMethod.getMessagesHigherThen(db, 5);
+            const lastFive = await IndexedDbMethod.getMessagesHigherThan(db, 5);
             assert.equal(lastFive.length, 5);
             assert.equal(lastFive[0].id, 6);
             assert.equal(lastFive[4].id, 10);

From 811a1bed7a293c082d880bb6ad4e775976b684f2 Mon Sep 17 00:00:00 2001
From: Stu Kabakoff <stu.kabakoff@mark43.com>
Date: Tue, 5 Jan 2021 11:18:48 -0500
Subject: [PATCH 3/4] create cursor for everything, then advance it.

---
 dist/es/methods/indexed-db.js  | 10 +++++++---
 dist/lib/browser.js            | 10 +++++++---
 dist/lib/browser.min.js        |  2 +-
 dist/lib/methods/indexed-db.js | 10 +++++++---
 docs/e2e.js                    | 10 +++++++---
 docs/iframe.js                 | 10 +++++++---
 docs/index.js                  | 10 +++++++---
 docs/leader-iframe.js          | 10 +++++++---
 docs/worker.js                 | 10 +++++++---
 src/methods/indexed-db.js      | 10 +++++++---
 10 files changed, 64 insertions(+), 28 deletions(-)

diff --git a/dist/es/methods/indexed-db.js b/dist/es/methods/indexed-db.js
index aa9e4727..c0240424 100644
--- a/dist/es/methods/indexed-db.js
+++ b/dist/es/methods/indexed-db.js
@@ -126,12 +126,16 @@ function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
   return new Promise(function (res) {
-    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
+    objectStore.openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
-        ret.push(cursor.value);
-        cursor["continue"]();
+        if (cursor.value.id < lastCursorId + 1) {
+          cursor["continue"](lastCursorId + 1);
+        } else {
+          ret.push(cursor.value);
+          cursor["continue"]();
+        }
       } else {
         res(ret);
       }
diff --git a/dist/lib/browser.js b/dist/lib/browser.js
index 7d647ab0..c0722c61 100644
--- a/dist/lib/browser.js
+++ b/dist/lib/browser.js
@@ -759,12 +759,16 @@ function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
   return new Promise(function (res) {
-    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
+    objectStore.openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
-        ret.push(cursor.value);
-        cursor["continue"]();
+        if (cursor.value.id < lastCursorId + 1) {
+          cursor["continue"](lastCursorId + 1);
+        } else {
+          ret.push(cursor.value);
+          cursor["continue"]();
+        }
       } else {
         res(ret);
       }
diff --git a/dist/lib/browser.min.js b/dist/lib/browser.min.js
index 4b050eef..fb8aa62b 100644
--- a/dist/lib/browser.min.js
+++ b/dist/lib/browser.min.js
@@ -1 +1 @@
-!function r(o,i,s){function a(t,e){if(!i[t]){if(!o[t]){var n="function"==typeof require&&require;if(!e&&n)return n(t,!0);if(u)return u(t,!0);throw(n=new Error("Cannot find module '"+t+"'")).code="MODULE_NOT_FOUND",n}n=i[t]={exports:{}},o[t][0].call(n.exports,function(e){return a(o[t][1][e]||e)},n,n.exports,r,o,i,s)}return i[t].exports}for(var u="function"==typeof require&&require,e=0;e<s.length;e++)a(s[e]);return a}({1:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.clearNodeFolder=function(e){e=(0,s.fillOptionsWithDefaults)(e);e=(0,i.chooseMethod)(e);return"node"===e.type?e.clearNodeFolder().then(function(){return!0}):Promise.resolve(!1)},n.enforceOptions=function(e){r=e},n.BroadcastChannel=void 0;var r,o=e("./util.js"),i=e("./method-chooser.js"),s=e("./options.js"),e=function(e,t){var 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r=e("@babel/runtime/helpers/interopRequireDefault");Object.defineProperty(n,"__esModule",{value:!0}),n.add=c,n.runAll=l,n.removeAll=d,n.getSize=f,n.default=void 0;var o=r(e("detect-node")),i=r(e("./browser.js")),e=r(e("./node.js")),s=(o.default?e:i).default,a=new Set,u=!1;function c(e){if(u||(u=!0,s.add(l)),"function"!=typeof e)throw new Error("Listener is no function");return a.add(e),{remove:function(){return a.delete(e)},run:function(){return a.delete(e),e()}}}function l(){var t=[];return a.forEach(function(e){t.push(e()),a.delete(e)}),Promise.all(t)}function d(){a.clear()}function f(){return a.size}i={add:c,runAll:l,removeAll:d,getSize:f};n.default=i},{"./browser.js":18,"./node.js":15,"@babel/runtime/helpers/interopRequireDefault":14,"detect-node":16}]},{},[2]);
\ No newline at end of file
diff --git a/dist/lib/methods/indexed-db.js b/dist/lib/methods/indexed-db.js
index aa9e4727..c0240424 100644
--- a/dist/lib/methods/indexed-db.js
+++ b/dist/lib/methods/indexed-db.js
@@ -126,12 +126,16 @@ function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
   return new Promise(function (res) {
-    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
+    objectStore.openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
-        ret.push(cursor.value);
-        cursor["continue"]();
+        if (cursor.value.id < lastCursorId + 1) {
+          cursor["continue"](lastCursorId + 1);
+        } else {
+          ret.push(cursor.value);
+          cursor["continue"]();
+        }
       } else {
         res(ret);
       }
diff --git a/docs/e2e.js b/docs/e2e.js
index c4aab2bd..038bcf0f 100644
--- a/docs/e2e.js
+++ b/docs/e2e.js
@@ -750,12 +750,16 @@ function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
   return new Promise(function (res) {
-    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
+    objectStore.openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
-        ret.push(cursor.value);
-        cursor["continue"]();
+        if (cursor.value.id < lastCursorId + 1) {
+          cursor["continue"](lastCursorId + 1);
+        } else {
+          ret.push(cursor.value);
+          cursor["continue"]();
+        }
       } else {
         res(ret);
       }
diff --git a/docs/iframe.js b/docs/iframe.js
index 83bab812..4f43d3b2 100644
--- a/docs/iframe.js
+++ b/docs/iframe.js
@@ -750,12 +750,16 @@ function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
   return new Promise(function (res) {
-    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
+    objectStore.openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
-        ret.push(cursor.value);
-        cursor["continue"]();
+        if (cursor.value.id < lastCursorId + 1) {
+          cursor["continue"](lastCursorId + 1);
+        } else {
+          ret.push(cursor.value);
+          cursor["continue"]();
+        }
       } else {
         res(ret);
       }
diff --git a/docs/index.js b/docs/index.js
index f880e428..a5a2adec 100644
--- a/docs/index.js
+++ b/docs/index.js
@@ -750,12 +750,16 @@ function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
   return new Promise(function (res) {
-    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
+    objectStore.openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
-        ret.push(cursor.value);
-        cursor["continue"]();
+        if (cursor.value.id < lastCursorId + 1) {
+          cursor["continue"](lastCursorId + 1);
+        } else {
+          ret.push(cursor.value);
+          cursor["continue"]();
+        }
       } else {
         res(ret);
       }
diff --git a/docs/leader-iframe.js b/docs/leader-iframe.js
index 13009252..0bbf1a5e 100644
--- a/docs/leader-iframe.js
+++ b/docs/leader-iframe.js
@@ -750,12 +750,16 @@ function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
   return new Promise(function (res) {
-    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
+    objectStore.openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
-        ret.push(cursor.value);
-        cursor["continue"]();
+        if (cursor.value.id < lastCursorId + 1) {
+          cursor["continue"](lastCursorId + 1);
+        } else {
+          ret.push(cursor.value);
+          cursor["continue"]();
+        }
       } else {
         res(ret);
       }
diff --git a/docs/worker.js b/docs/worker.js
index f792d9c6..c708ac59 100644
--- a/docs/worker.js
+++ b/docs/worker.js
@@ -750,12 +750,16 @@ function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
   return new Promise(function (res) {
-    objectStore.openCursor(lastCursorId + 1).onsuccess = function (ev) {
+    objectStore.openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
-        ret.push(cursor.value);
-        cursor["continue"]();
+        if (cursor.value.id < lastCursorId + 1) {
+          cursor["continue"](lastCursorId + 1);
+        } else {
+          ret.push(cursor.value);
+          cursor["continue"]();
+        }
       } else {
         res(ret);
       }
diff --git a/src/methods/indexed-db.js b/src/methods/indexed-db.js
index 29495507..1831789b 100644
--- a/src/methods/indexed-db.js
+++ b/src/methods/indexed-db.js
@@ -103,11 +103,15 @@ export function getMessagesHigherThan(db, lastCursorId) {
     const objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
     const ret = [];
     return new Promise(res => {
-        objectStore.openCursor(lastCursorId + 1).onsuccess = ev => {
+        objectStore.openCursor().onsuccess = ev => {
             const cursor = ev.target.result;
             if (cursor) {
-                ret.push(cursor.value);
-                cursor.continue();
+                if (cursor.value.id < lastCursorId + 1) {
+                    cursor.continue(lastCursorId + 1);
+                } else {
+                    ret.push(cursor.value);
+                    cursor.continue();
+                }
             } else {
                 res(ret);
             }

From 2c1b1952e311859ac69f0e7a7cea3db168ba3f0e Mon Sep 17 00:00:00 2001
From: Stu Kabakoff <stu.kabakoff@mark43.com>
Date: Tue, 19 Jan 2021 16:41:03 -0500
Subject: [PATCH 4/4] start IDB cursor at beginning only when creating the key
 range errors.

---
 dist/es/methods/indexed-db.js  | 15 ++++++++++++++-
 dist/lib/browser.js            | 15 ++++++++++++++-
 dist/lib/browser.min.js        |  2 +-
 dist/lib/methods/indexed-db.js | 15 ++++++++++++++-
 docs/e2e.js                    | 15 ++++++++++++++-
 docs/iframe.js                 | 15 ++++++++++++++-
 docs/index.js                  | 15 ++++++++++++++-
 docs/leader-iframe.js          | 15 ++++++++++++++-
 docs/worker.js                 | 15 ++++++++++++++-
 src/methods/indexed-db.js      | 15 ++++++++++++++-
 10 files changed, 127 insertions(+), 10 deletions(-)

diff --git a/dist/es/methods/indexed-db.js b/dist/es/methods/indexed-db.js
index c0240424..c47df15e 100644
--- a/dist/es/methods/indexed-db.js
+++ b/dist/es/methods/indexed-db.js
@@ -125,8 +125,21 @@ function getAllMessages(db) {
 function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
+
+  function openCursor() {
+    // Occasionally Safari will fail on IDBKeyRange.bound, this
+    // catches that error, having it open the cursor to the first
+    // item. When it gets data it will advance to the desired key.
+    try {
+      var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
+      return objectStore.openCursor(keyRangeValue);
+    } catch (e) {
+      return objectStore.openCursor();
+    }
+  }
+
   return new Promise(function (res) {
-    objectStore.openCursor().onsuccess = function (ev) {
+    openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
diff --git a/dist/lib/browser.js b/dist/lib/browser.js
index c0722c61..fadef72e 100644
--- a/dist/lib/browser.js
+++ b/dist/lib/browser.js
@@ -758,8 +758,21 @@ function getAllMessages(db) {
 function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
+
+  function openCursor() {
+    // Occasionally Safari will fail on IDBKeyRange.bound, this
+    // catches that error, having it open the cursor to the first
+    // item. When it gets data it will advance to the desired key.
+    try {
+      var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
+      return objectStore.openCursor(keyRangeValue);
+    } catch (e) {
+      return objectStore.openCursor();
+    }
+  }
+
   return new Promise(function (res) {
-    objectStore.openCursor().onsuccess = function (ev) {
+    openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
diff --git a/dist/lib/browser.min.js b/dist/lib/browser.min.js
index fb8aa62b..0ffd16d9 100644
--- a/dist/lib/browser.min.js
+++ b/dist/lib/browser.min.js
@@ -1 +1 @@
-!function r(o,i,s){function a(t,e){if(!i[t]){if(!o[t]){var n="function"==typeof require&&require;if(!e&&n)return n(t,!0);if(u)return u(t,!0);throw(n=new Error("Cannot find module '"+t+"'")).code="MODULE_NOT_FOUND",n}n=i[t]={exports:{}},o[t][0].call(n.exports,function(e){return a(o[t][1][e]||e)},n,n.exports,r,o,i,s)}return i[t].exports}for(var u="function"==typeof require&&require,e=0;e<s.length;e++)a(s[e]);return a}({1:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.clearNodeFolder=function(e){e=(0,s.fillOptionsWithDefaults)(e);e=(0,i.chooseMethod)(e);return"node"===e.type?e.clearNodeFolder().then(function(){return!0}):Promise.resolve(!1)},n.enforceOptions=function(e){r=e},n.BroadcastChannel=void 0;var r,o=e("./util.js"),i=e("./method-chooser.js"),s=e("./options.js"),e=function(e,t){var n;this.name=e,r&&(t=r),this.options=(0,s.fillOptionsWithDefaults)(t),this.method=(0,i.chooseMethod)(this.options),this._iL=!1,this._onML=null,this._addEL={message:[],internal:[]},this._befC=[],this._prepP=null,t=(n=this).method.create(n.name,n.options),(0,o.isPromise)(t)?(n._prepP=t).then(function(e){n._state=e}):n._state=t};function a(e,t,n){var r={time:e.method.microSeconds(),type:t,data:n};return(e._prepP||Promise.resolve()).then(function(){return e.method.postMessage(e._state,r)})}function u(e){return 0<e._addEL.message.length||0<e._addEL.internal.length}function c(e,t,n){var r,o,i;e._addEL[t].push(n),!(r=e)._iL&&u(r)&&(o=function(t){r._addEL[t.type].forEach(function(e){t.time>=e.time&&e.fn(t.data)})},i=r.method.microSeconds(),r._prepP?r._prepP.then(function(){r._iL=!0,r.method.onMessage(r._state,o,i)}):(r._iL=!0,r.method.onMessage(r._state,o,i)))}function l(e,t,n){e._addEL[t]=e._addEL[t].filter(function(e){return e!==n}),(t=e)._iL&&!u(t)&&(t._iL=!1,e=t.method.microSeconds(),t.method.onMessage(t._state,null,e))}(n.BroadcastChannel=e)._pubkey=!0,e.prototype={postMessage:function(e){if(this.closed)throw new Error("BroadcastChannel.postMessage(): Cannot post message after channel has closed");return a(this,"message",e)},postInternal:function(e){return a(this,"internal",e)},set onmessage(e){var t={time:this.method.microSeconds(),fn:e};l(this,"message",this._onML),e&&"function"==typeof e?(this._onML=t,c(this,"message",t)):this._onML=null},addEventListener:function(e,t){var n=this.method.microSeconds();c(this,e,{time:n,fn:t})},removeEventListener:function(e,t){var n=this._addEL[e].find(function(e){return e.fn===t});l(this,e,n)},close:function(){var e=this;if(!this.closed){this.closed=!0;var t=this._prepP||Promise.resolve();return this._onML=null,this._addEL.message=[],t.then(function(){return Promise.all(e._befC.map(function(e){return e()}))}).then(function(){return e.method.close(e._state)})}},get type(){return this.method.type}}},{"./method-chooser.js":6,"./options.js":12,"./util.js":13}],2:[function(e,t,n){"use strict";var r=e("./index.es5.js"),e=r.BroadcastChannel,r=r.createLeaderElection;window.BroadcastChannel2=e,window.createLeaderElection=r},{"./index.es5.js":3}],3:[function(e,t,n){"use strict";e=e("./index.js");t.exports={BroadcastChannel:e.BroadcastChannel,createLeaderElection:e.createLeaderElection,clearNodeFolder:e.clearNodeFolder,enforceOptions:e.enforceOptions}},{"./index.js":4}],4:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),Object.defineProperty(n,"BroadcastChannel",{enumerable:!0,get:function(){return r.BroadcastChannel}}),Object.defineProperty(n,"clearNodeFolder",{enumerable:!0,get:function(){return r.clearNodeFolder}}),Object.defineProperty(n,"enforceOptions",{enumerable:!0,get:function(){return r.enforceOptions}}),Object.defineProperty(n,"createLeaderElection",{enumerable:!0,get:function(){return o.createLeaderElection}});var r=e("./broadcast-channel"),o=e("./leader-election")},{"./broadcast-channel":1,"./leader-election":5}],5:[function(e,t,n){"use strict";var r=e("@babel/runtime/helpers/interopRequireDefault");Object.defineProperty(n,"__esModule",{value:!0}),n.createLeaderElection=function(e,t){if(e._leaderElector)throw new Error("BroadcastChannel already has a leader-elector");t=function(e,t){e=e||{};(e=JSON.parse(JSON.stringify(e))).fallbackInterval||(e.fallbackInterval=3e3);e.responseTime||(e.responseTime=t.method.averageResponseTime(t.options));return e}(t,e);var n=new o(e,t);return e._befC.push(function(){return n.die()}),e._leaderElector=n};var i=e("./util.js"),s=r(e("unload")),o=function(e,t){this._channel=e,this._options=t,this.isLeader=!1,this.isDead=!1,this.token=(0,i.randomToken)(),this._isApl=!1,this._reApply=!1,this._unl=[],this._lstns=[],this._invs=[]};function a(e,t){t={context:"leader",action:t,token:e.token};return e._channel.postInternal(t)}o.prototype={applyOnce:function(){var t=this;if(this.isLeader)return Promise.resolve(!1);if(this.isDead)return Promise.resolve(!1);if(this._isApl)return this._reApply=!0,Promise.resolve(!1);function n(e){"leader"===e.context&&e.token!=t.token&&(o.push(e),"apply"===e.action&&e.token>t.token&&(r=!0),"tell"===e.action&&(r=!0))}var r=!(this._isApl=!0),o=[];return this._channel.addEventListener("internal",n),a(this,"apply").then(function(){return(0,i.sleep)(t._options.responseTime)}).then(function(){return r?Promise.reject(new Error):a(t,"apply")}).then(function(){return(0,i.sleep)(t._options.responseTime)}).then(function(){return r?Promise.reject(new Error):a(t)}).then(function(){return function(t){t.isLeader=!0;var e=s.default.add(function(){return t.die()});t._unl.push(e);e=function(e){"leader"===e.context&&"apply"===e.action&&a(t,"tell")};return t._channel.addEventListener("internal",e),t._lstns.push(e),a(t,"tell")}(t)}).then(function(){return!0}).catch(function(){return!1}).then(function(e){return t._channel.removeEventListener("internal",n),t._isApl=!1,!e&&t._reApply?(t._reApply=!1,t.applyOnce()):e})},awaitLeadership:function(){var i;return this._aLP||(this._aLP=(i=this).isLeader?Promise.resolve():new Promise(function(e){function t(){n||(n=!0,clearInterval(r),i._channel.removeEventListener("internal",o),e(!0))}var n=!1;i.applyOnce().then(function(){i.isLeader&&t()});var r=setInterval(function(){i.applyOnce().then(function(){i.isLeader&&t()})},i._options.fallbackInterval);i._invs.push(r);var o=function(e){"leader"===e.context&&"death"===e.action&&i.applyOnce().then(function(){i.isLeader&&t()})};i._channel.addEventListener("internal",o),i._lstns.push(o)})),this._aLP},die:function(){var t=this;if(!this.isDead)return this.isDead=!0,this._lstns.forEach(function(e){return t._channel.removeEventListener("internal",e)}),this._invs.forEach(function(e){return clearInterval(e)}),this._unl.forEach(function(e){e.remove()}),a(this,"death")}}},{"./util.js":13,"@babel/runtime/helpers/interopRequireDefault":14,unload:19}],6:[function(e,t,n){"use strict";var r=e("@babel/runtime/helpers/interopRequireDefault");Object.defineProperty(n,"__esModule",{value:!0}),n.chooseMethod=function(t){var e=[].concat(t.methods,u).filter(Boolean);if(t.type){if("simulate"===t.type)return s.default;var n=e.find(function(e){return e.type===t.type});if(n)return n;throw new Error("method-type "+t.type+" not found")}t.webWorkerSupport||a.isNode||(e=e.filter(function(e){return"idb"!==e.type}));e=e.find(function(e){return e.canBeUsed()});{if(e)return e;throw new Error("No useable methode found:"+JSON.stringify(u.map(function(e){return e.type})))}};var 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o=r(e("./methods/native.js")),i=r(e("./methods/indexed-db.js")),n=r(e("./methods/localstorage.js")),s=r(e("./methods/simulate.js")),a=e("./util"),u=[o.default,i.default,n.default];!a.isNode||"function"==typeof(e=e("../../src/methods/node.js")).canBeUsed&&u.push(e)},{"./methods/indexed-db.js":7,"./methods/localstorage.js":8,"./methods/native.js":9,"./methods/simulate.js":10,"./util":13,"@babel/runtime/helpers/interopRequireDefault":14}],7:[function(e,t,n){"use strict";var r=e("@babel/runtime/helpers/interopRequireDefault");Object.defineProperty(n,"__esModule",{value:!0}),n.getIdb=c,n.createDatabase=l,n.writeMessage=d,n.getAllMessages=function(e){var n=e.transaction(u).objectStore(u),r=[];return new Promise(function(t){n.openCursor().onsuccess=function(e){e=e.target.result;e?(r.push(e.value),e.continue()):t(r)}})},n.getMessagesHigherThan=f,n.removeMessageById=h,n.getOldMessages=p,n.cleanOldMessages=m,n.create=v,n.close=g,n.postMessage=w,n.onMessage=_,n.canBeUsed=y,n.averageResponseTime=k,n.default=n.type=n.microSeconds=void 0;var o=e("../util.js"),i=r(e("../oblivious-set")),s=e("../options"),e=o.microSeconds;n.microSeconds=e;var a="pubkey.broadcast-channel-0-",u="messages";function c(){if("undefined"!=typeof indexedDB)return indexedDB;if("undefined"!=typeof window){if(void 0!==window.mozIndexedDB)return window.mozIndexedDB;if(void 0!==window.webkitIndexedDB)return window.webkitIndexedDB;if(void 0!==window.msIndexedDB)return window.msIndexedDB}return!1}function l(e){var t=c(),e=a+e,n=t.open(e,1);return n.onupgradeneeded=function(e){e.target.result.createObjectStore(u,{keyPath:"id",autoIncrement:!0})},new Promise(function(e,t){n.onerror=function(e){return t(e)},n.onsuccess=function(){e(n.result)}})}function d(e,t,n){var r={uuid:t,time:(new Date).getTime(),data:n},o=e.transaction([u],"readwrite");return new Promise(function(e,t){o.oncomplete=function(){return e()},o.onerror=function(e){return t(e)},o.objectStore(u).add(r)})}function f(e,n){var r=e.transaction(u).objectStore(u),o=[];return new Promise(function(t){(function(){try{var e=IDBKeyRange.bound(n+1,1/0);return r.openCursor(e)}catch(e){return r.openCursor()}})().onsuccess=function(e){e=e.target.result;e?e.value.id<n+1?e.continue(n+1):(o.push(e.value),e.continue()):t(o)}})}function h(e,t){var n=e.transaction([u],"readwrite").objectStore(u).delete(t);return new Promise(function(e){n.onsuccess=function(){return e()}})}function p(e,t){var r=(new Date).getTime()-t,o=e.transaction(u).objectStore(u),i=[];return new Promise(function(n){o.openCursor().onsuccess=function(e){var t,e=e.target.result;e&&(t=e.value).time<r?(i.push(t),e.continue()):n(i)}})}function m(t,e){return p(t,e).then(function(e){return Promise.all(e.map(function(e){return h(t,e.id)}))})}function v(n,r){return r=(0,s.fillOptionsWithDefaults)(r),l(n).then(function(e){var t={closed:!1,lastCursorId:0,channelName:n,options:r,uuid:(0,o.randomToken)(),eMIs:new i.default(2*r.idb.ttl),writeBlockPromise:Promise.resolve(),messagesCallback:null,readQueuePromises:[],db:e};return e.onclose=function(){t.closed=!0,r.idb.onclose&&r.idb.onclose()},function e(t){if(t.closed)return;b(t).then(function(){return(0,o.sleep)(t.options.idb.fallbackInterval)}).then(function(){return e(t)})}(t),t})}function b(n){return!n.closed&&n.messagesCallback?f(n.db,n.lastCursorId).then(function(e){return e.filter(function(e){return!!e}).map(function(e){return e.id>n.lastCursorId&&(n.lastCursorId=e.id),e}).filter(function(e){return t=n,(e=e).uuid!==t.uuid&&(!t.eMIs.has(e.id)&&!(e.data.time<t.messagesCallbackTime));var t}).sort(function(e,t){return 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\ No newline at end of file
diff --git a/dist/lib/methods/indexed-db.js b/dist/lib/methods/indexed-db.js
index c0240424..c47df15e 100644
--- a/dist/lib/methods/indexed-db.js
+++ b/dist/lib/methods/indexed-db.js
@@ -125,8 +125,21 @@ function getAllMessages(db) {
 function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
+
+  function openCursor() {
+    // Occasionally Safari will fail on IDBKeyRange.bound, this
+    // catches that error, having it open the cursor to the first
+    // item. When it gets data it will advance to the desired key.
+    try {
+      var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
+      return objectStore.openCursor(keyRangeValue);
+    } catch (e) {
+      return objectStore.openCursor();
+    }
+  }
+
   return new Promise(function (res) {
-    objectStore.openCursor().onsuccess = function (ev) {
+    openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
diff --git a/docs/e2e.js b/docs/e2e.js
index 038bcf0f..06329531 100644
--- a/docs/e2e.js
+++ b/docs/e2e.js
@@ -749,8 +749,21 @@ function getAllMessages(db) {
 function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
+
+  function openCursor() {
+    // Occasionally Safari will fail on IDBKeyRange.bound, this
+    // catches that error, having it open the cursor to the first
+    // item. When it gets data it will advance to the desired key.
+    try {
+      var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
+      return objectStore.openCursor(keyRangeValue);
+    } catch (e) {
+      return objectStore.openCursor();
+    }
+  }
+
   return new Promise(function (res) {
-    objectStore.openCursor().onsuccess = function (ev) {
+    openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
diff --git a/docs/iframe.js b/docs/iframe.js
index 4f43d3b2..88c61230 100644
--- a/docs/iframe.js
+++ b/docs/iframe.js
@@ -749,8 +749,21 @@ function getAllMessages(db) {
 function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
+
+  function openCursor() {
+    // Occasionally Safari will fail on IDBKeyRange.bound, this
+    // catches that error, having it open the cursor to the first
+    // item. When it gets data it will advance to the desired key.
+    try {
+      var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
+      return objectStore.openCursor(keyRangeValue);
+    } catch (e) {
+      return objectStore.openCursor();
+    }
+  }
+
   return new Promise(function (res) {
-    objectStore.openCursor().onsuccess = function (ev) {
+    openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
diff --git a/docs/index.js b/docs/index.js
index a5a2adec..b5c1983a 100644
--- a/docs/index.js
+++ b/docs/index.js
@@ -749,8 +749,21 @@ function getAllMessages(db) {
 function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
+
+  function openCursor() {
+    // Occasionally Safari will fail on IDBKeyRange.bound, this
+    // catches that error, having it open the cursor to the first
+    // item. When it gets data it will advance to the desired key.
+    try {
+      var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
+      return objectStore.openCursor(keyRangeValue);
+    } catch (e) {
+      return objectStore.openCursor();
+    }
+  }
+
   return new Promise(function (res) {
-    objectStore.openCursor().onsuccess = function (ev) {
+    openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
diff --git a/docs/leader-iframe.js b/docs/leader-iframe.js
index 0bbf1a5e..94693ade 100644
--- a/docs/leader-iframe.js
+++ b/docs/leader-iframe.js
@@ -749,8 +749,21 @@ function getAllMessages(db) {
 function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
+
+  function openCursor() {
+    // Occasionally Safari will fail on IDBKeyRange.bound, this
+    // catches that error, having it open the cursor to the first
+    // item. When it gets data it will advance to the desired key.
+    try {
+      var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
+      return objectStore.openCursor(keyRangeValue);
+    } catch (e) {
+      return objectStore.openCursor();
+    }
+  }
+
   return new Promise(function (res) {
-    objectStore.openCursor().onsuccess = function (ev) {
+    openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
diff --git a/docs/worker.js b/docs/worker.js
index c708ac59..a9d77d0a 100644
--- a/docs/worker.js
+++ b/docs/worker.js
@@ -749,8 +749,21 @@ function getAllMessages(db) {
 function getMessagesHigherThan(db, lastCursorId) {
   var objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
   var ret = [];
+
+  function openCursor() {
+    // Occasionally Safari will fail on IDBKeyRange.bound, this
+    // catches that error, having it open the cursor to the first
+    // item. When it gets data it will advance to the desired key.
+    try {
+      var keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
+      return objectStore.openCursor(keyRangeValue);
+    } catch (e) {
+      return objectStore.openCursor();
+    }
+  }
+
   return new Promise(function (res) {
-    objectStore.openCursor().onsuccess = function (ev) {
+    openCursor().onsuccess = function (ev) {
       var cursor = ev.target.result;
 
       if (cursor) {
diff --git a/src/methods/indexed-db.js b/src/methods/indexed-db.js
index 1831789b..5ed2fac3 100644
--- a/src/methods/indexed-db.js
+++ b/src/methods/indexed-db.js
@@ -102,8 +102,21 @@ export function getAllMessages(db) {
 export function getMessagesHigherThan(db, lastCursorId) {
     const objectStore = db.transaction(OBJECT_STORE_ID).objectStore(OBJECT_STORE_ID);
     const ret = [];
+
+    function openCursor() {
+        // Occasionally Safari will fail on IDBKeyRange.bound, this
+        // catches that error, having it open the cursor to the first
+        // item. When it gets data it will advance to the desired key.
+        try {
+            const keyRangeValue = IDBKeyRange.bound(lastCursorId + 1, Infinity);
+            return objectStore.openCursor(keyRangeValue);
+        } catch (e) {
+            return objectStore.openCursor();
+        }
+    }
+
     return new Promise(res => {
-        objectStore.openCursor().onsuccess = ev => {
+        openCursor().onsuccess = ev => {
             const cursor = ev.target.result;
             if (cursor) {
                 if (cursor.value.id < lastCursorId + 1) {