// =============================================================================
// ========================== MONKEY PATCHED TO ================================
// ========================= PROVIDE ZONE ACCESS ===============================
// =============================================================================
// =============================================================================
// =============================================================================

/*
 * Dexie.js - a minimalistic wrapper for IndexedDB
 * ===============================================
 *
 * By David Fahlander, david.fahlander@gmail.com
 *
 * Version 3.0.2, Fri Jul 31 2020
 *
 * http://dexie.org
 *
 * Apache License Version 2.0, January 2004, http://www.apache.org/licenses/
 */
 
(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global.Dexie = factory());
}(this, (function () { 'use strict';

var __assign = function() {
    __assign = Object.assign || function __assign(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};










function __spreadArrays() {
    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
    for (var r = Array(s), k = 0, i = 0; i < il; i++)
        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
            r[k] = a[j];
    return r;
}

var keys = Object.keys;
var isArray = Array.isArray;
var _global = typeof self !== 'undefined' ? self :
    typeof window !== 'undefined' ? window :
        global;
if (typeof Promise !== 'undefined' && !_global.Promise) {
    _global.Promise = Promise;
}
function extend(obj, extension) {
    if (typeof extension !== 'object')
        return obj;
    keys(extension).forEach(function (key) {
        obj[key] = extension[key];
    });
    return obj;
}
var getProto = Object.getPrototypeOf;
var _hasOwn = {}.hasOwnProperty;
function hasOwn(obj, prop) {
    return _hasOwn.call(obj, prop);
}
function props(proto, extension) {
    if (typeof extension === 'function')
        extension = extension(getProto(proto));
    keys(extension).forEach(function (key) {
        setProp(proto, key, extension[key]);
    });
}
var defineProperty = Object.defineProperty;
function setProp(obj, prop, functionOrGetSet, options) {
    defineProperty(obj, prop, extend(functionOrGetSet && hasOwn(functionOrGetSet, "get") && typeof functionOrGetSet.get === 'function' ?
        { get: functionOrGetSet.get, set: functionOrGetSet.set, configurable: true } :
        { value: functionOrGetSet, configurable: true, writable: true }, options));
}
function derive(Child) {
    return {
        from: function (Parent) {
            Child.prototype = Object.create(Parent.prototype);
            setProp(Child.prototype, "constructor", Child);
            return {
                extend: props.bind(null, Child.prototype)
            };
        }
    };
}
var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
function getPropertyDescriptor(obj, prop) {
    var pd = getOwnPropertyDescriptor(obj, prop);
    var proto;
    return pd || (proto = getProto(obj)) && getPropertyDescriptor(proto, prop);
}
var _slice = [].slice;
function slice(args, start, end) {
    return _slice.call(args, start, end);
}
function override(origFunc, overridedFactory) {
    return overridedFactory(origFunc);
}
function assert(b) {
    if (!b)
        throw new Error("Assertion Failed");
}
function asap(fn) {
    if (_global.setImmediate)
        setImmediate(fn);
    else
        setTimeout(fn, 0);
}

function arrayToObject(array, extractor) {
    return array.reduce(function (result, item, i) {
        var nameAndValue = extractor(item, i);
        if (nameAndValue)
            result[nameAndValue[0]] = nameAndValue[1];
        return result;
    }, {});
}

function tryCatch(fn, onerror, args) {
    try {
        fn.apply(null, args);
    }
    catch (ex) {
        onerror && onerror(ex);
    }
}
function getByKeyPath(obj, keyPath) {
    if (hasOwn(obj, keyPath))
        return obj[keyPath];
    if (!keyPath)
        return obj;
    if (typeof keyPath !== 'string') {
        var rv = [];
        for (var i = 0, l = keyPath.length; i < l; ++i) {
            var val = getByKeyPath(obj, keyPath[i]);
            rv.push(val);
        }
        return rv;
    }
    var period = keyPath.indexOf('.');
    if (period !== -1) {
        var innerObj = obj[keyPath.substr(0, period)];
        return innerObj === undefined ? undefined : getByKeyPath(innerObj, keyPath.substr(period + 1));
    }
    return undefined;
}
function setByKeyPath(obj, keyPath, value) {
    if (!obj || keyPath === undefined)
        return;
    if ('isFrozen' in Object && Object.isFrozen(obj))
        return;
    if (typeof keyPath !== 'string' && 'length' in keyPath) {
        assert(typeof value !== 'string' && 'length' in value);
        for (var i = 0, l = keyPath.length; i < l; ++i) {
            setByKeyPath(obj, keyPath[i], value[i]);
        }
    }
    else {
        var period = keyPath.indexOf('.');
        if (period !== -1) {
            var currentKeyPath = keyPath.substr(0, period);
            var remainingKeyPath = keyPath.substr(period + 1);
            if (remainingKeyPath === "")
                if (value === undefined) {
                    if (isArray(obj) && !isNaN(parseInt(currentKeyPath)))
                        obj.splice(currentKeyPath, 1);
                    else
                        delete obj[currentKeyPath];
                }
                else
                    obj[currentKeyPath] = value;
            else {
                var innerObj = obj[currentKeyPath];
                if (!innerObj)
                    innerObj = (obj[currentKeyPath] = {});
                setByKeyPath(innerObj, remainingKeyPath, value);
            }
        }
        else {
            if (value === undefined) {
                if (isArray(obj) && !isNaN(parseInt(keyPath)))
                    obj.splice(keyPath, 1);
                else
                    delete obj[keyPath];
            }
            else
                obj[keyPath] = value;
        }
    }
}
function delByKeyPath(obj, keyPath) {
    if (typeof keyPath === 'string')
        setByKeyPath(obj, keyPath, undefined);
    else if ('length' in keyPath)
        [].map.call(keyPath, function (kp) {
            setByKeyPath(obj, kp, undefined);
        });
}
function shallowClone(obj) {
    var rv = {};
    for (var m in obj) {
        if (hasOwn(obj, m))
            rv[m] = obj[m];
    }
    return rv;
}
var concat = [].concat;
function flatten(a) {
    return concat.apply([], a);
}
var intrinsicTypeNames = "Boolean,String,Date,RegExp,Blob,File,FileList,ArrayBuffer,DataView,Uint8ClampedArray,ImageData,Map,Set"
    .split(',').concat(flatten([8, 16, 32, 64].map(function (num) { return ["Int", "Uint", "Float"].map(function (t) { return t + num + "Array"; }); }))).filter(function (t) { return _global[t]; });
var intrinsicTypes = intrinsicTypeNames.map(function (t) { return _global[t]; });
var intrinsicTypeNameSet = arrayToObject(intrinsicTypeNames, function (x) { return [x, true]; });
function deepClone(any) {
    if (!any || typeof any !== 'object')
        return any;
    var rv;
    if (isArray(any)) {
        rv = [];
        for (var i = 0, l = any.length; i < l; ++i) {
            rv.push(deepClone(any[i]));
        }
    }
    else if (intrinsicTypes.indexOf(any.constructor) >= 0) {
        rv = any;
    }
    else {
        rv = any.constructor ? Object.create(any.constructor.prototype) : {};
        for (var prop in any) {
            if (hasOwn(any, prop)) {
                rv[prop] = deepClone(any[prop]);
            }
        }
    }
    return rv;
}
var toString = {}.toString;
function toStringTag(o) {
    return toString.call(o).slice(8, -1);
}
var getValueOf = function (val, type) {
    return type === "Array" ? '' + val.map(function (v) { return getValueOf(v, toStringTag(v)); }) :
        type === "ArrayBuffer" ? '' + new Uint8Array(val) :
            type === "Date" ? val.getTime() :
                ArrayBuffer.isView(val) ? '' + new Uint8Array(val.buffer) :
                    val;
};
function getObjectDiff(a, b, rv, prfx) {
    rv = rv || {};
    prfx = prfx || '';
    keys(a).forEach(function (prop) {
        if (!hasOwn(b, prop))
            rv[prfx + prop] = undefined;
        else {
            var ap = a[prop], bp = b[prop];
            if (typeof ap === 'object' && typeof bp === 'object' && ap && bp) {
                var apTypeName = toStringTag(ap);
                var bpTypeName = toStringTag(bp);
                if (apTypeName === bpTypeName) {
                    if (intrinsicTypeNameSet[apTypeName]) {
                        if (getValueOf(ap, apTypeName) !== getValueOf(bp, bpTypeName)) {
                            rv[prfx + prop] = b[prop];
                        }
                    }
                    else {
                        getObjectDiff(ap, bp, rv, prfx + prop + ".");
                    }
                }
                else {
                    rv[prfx + prop] = b[prop];
                }
            }
            else if (ap !== bp)
                rv[prfx + prop] = b[prop];
        }
    });
    keys(b).forEach(function (prop) {
        if (!hasOwn(a, prop)) {
            rv[prfx + prop] = b[prop];
        }
    });
    return rv;
}
var iteratorSymbol = typeof Symbol !== 'undefined' && Symbol.iterator;
var getIteratorOf = iteratorSymbol ? function (x) {
    var i;
    return x != null && (i = x[iteratorSymbol]) && i.apply(x);
} : function () { return null; };
var NO_CHAR_ARRAY = {};
function getArrayOf(arrayLike) {
    var i, a, x, it;
    if (arguments.length === 1) {
        if (isArray(arrayLike))
            return arrayLike.slice();
        if (this === NO_CHAR_ARRAY && typeof arrayLike === 'string')
            return [arrayLike];
        if ((it = getIteratorOf(arrayLike))) {
            a = [];
            while (x = it.next(), !x.done)
                a.push(x.value);
            return a;
        }
        if (arrayLike == null)
            return [arrayLike];
        i = arrayLike.length;
        if (typeof i === 'number') {
            a = new Array(i);
            while (i--)
                a[i] = arrayLike[i];
            return a;
        }
        return [arrayLike];
    }
    i = arguments.length;
    a = new Array(i);
    while (i--)
        a[i] = arguments[i];
    return a;
}
var isAsyncFunction = typeof Symbol !== 'undefined'
    ? function (fn) { return fn[Symbol.toStringTag] === 'AsyncFunction'; }
    : function () { return false; };

var debug = typeof location !== 'undefined' &&
    /^(http|https):\/\/(localhost|127\.0\.0\.1)/.test(location.href);
function setDebug(value, filter) {
    debug = value;
    libraryFilter = filter;
}
var libraryFilter = function () { return true; };
var NEEDS_THROW_FOR_STACK = !new Error("").stack;
function getErrorWithStack() {
    if (NEEDS_THROW_FOR_STACK)
        try {
            throw new Error();
        }
        catch (e) {
            return e;
        }
    return new Error();
}
function prettyStack(exception, numIgnoredFrames) {
    var stack = exception.stack;
    if (!stack)
        return "";
    numIgnoredFrames = (numIgnoredFrames || 0);
    if (stack.indexOf(exception.name) === 0)
        numIgnoredFrames += (exception.name + exception.message).split('\n').length;
    return stack.split('\n')
        .slice(numIgnoredFrames)
        .filter(libraryFilter)
        .map(function (frame) { return "\n" + frame; })
        .join('');
}

var dexieErrorNames = [
    'Modify',
    'Bulk',
    'OpenFailed',
    'VersionChange',
    'Schema',
    'Upgrade',
    'InvalidTable',
    'MissingAPI',
    'NoSuchDatabase',
    'InvalidArgument',
    'SubTransaction',
    'Unsupported',
    'Internal',
    'DatabaseClosed',
    'PrematureCommit',
    'ForeignAwait'
];
var idbDomErrorNames = [
    'Unknown',
    'Constraint',
    'Data',
    'TransactionInactive',
    'ReadOnly',
    'Version',
    'NotFound',
    'InvalidState',
    'InvalidAccess',
    'Abort',
    'Timeout',
    'QuotaExceeded',
    'Syntax',
    'DataClone'
];
var errorList = dexieErrorNames.concat(idbDomErrorNames);
var defaultTexts = {
    VersionChanged: "Database version changed by other database connection",
    DatabaseClosed: "Database has been closed",
    Abort: "Transaction aborted",
    TransactionInactive: "Transaction has already completed or failed"
};
function DexieError(name, msg) {
    this._e = getErrorWithStack();
    this.name = name;
    this.message = msg;
}
derive(DexieError).from(Error).extend({
    stack: {
        get: function () {
            return this._stack ||
                (this._stack = this.name + ": " + this.message + prettyStack(this._e, 2));
        }
    },
    toString: function () { return this.name + ": " + this.message; }
});
function getMultiErrorMessage(msg, failures) {
    return msg + ". Errors: " + Object.keys(failures)
        .map(function (key) { return failures[key].toString(); })
        .filter(function (v, i, s) { return s.indexOf(v) === i; })
        .join('\n');
}
function ModifyError(msg, failures, successCount, failedKeys) {
    this._e = getErrorWithStack();
    this.failures = failures;
    this.failedKeys = failedKeys;
    this.successCount = successCount;
    this.message = getMultiErrorMessage(msg, failures);
}
derive(ModifyError).from(DexieError);
function BulkError(msg, failures) {
    this._e = getErrorWithStack();
    this.name = "BulkError";
    this.failures = failures;
    this.message = getMultiErrorMessage(msg, failures);
}
derive(BulkError).from(DexieError);
var errnames = errorList.reduce(function (obj, name) { return (obj[name] = name + "Error", obj); }, {});
var BaseException = DexieError;
var exceptions = errorList.reduce(function (obj, name) {
    var fullName = name + "Error";
    function DexieError(msgOrInner, inner) {
        this._e = getErrorWithStack();
        this.name = fullName;
        if (!msgOrInner) {
            this.message = defaultTexts[name] || fullName;
            this.inner = null;
        }
        else if (typeof msgOrInner === 'string') {
            this.message = "" + msgOrInner + (!inner ? '' : '\n ' + inner);
            this.inner = inner || null;
        }
        else if (typeof msgOrInner === 'object') {
            this.message = msgOrInner.name + " " + msgOrInner.message;
            this.inner = msgOrInner;
        }
    }
    derive(DexieError).from(BaseException);
    obj[name] = DexieError;
    return obj;
}, {});
exceptions.Syntax = SyntaxError;
exceptions.Type = TypeError;
exceptions.Range = RangeError;
var exceptionMap = idbDomErrorNames.reduce(function (obj, name) {
    obj[name + "Error"] = exceptions[name];
    return obj;
}, {});
function mapError(domError, message) {
    if (!domError || domError instanceof DexieError || domError instanceof TypeError || domError instanceof SyntaxError || !domError.name || !exceptionMap[domError.name])
        return domError;
    var rv = new exceptionMap[domError.name](message || domError.message, domError);
    if ("stack" in domError) {
        setProp(rv, "stack", { get: function () {
                return this.inner.stack;
            } });
    }
    return rv;
}
var fullNameExceptions = errorList.reduce(function (obj, name) {
    if (["Syntax", "Type", "Range"].indexOf(name) === -1)
        obj[name + "Error"] = exceptions[name];
    return obj;
}, {});
fullNameExceptions.ModifyError = ModifyError;
fullNameExceptions.DexieError = DexieError;
fullNameExceptions.BulkError = BulkError;

function nop() { }
function mirror(val) { return val; }
function pureFunctionChain(f1, f2) {
    if (f1 == null || f1 === mirror)
        return f2;
    return function (val) {
        return f2(f1(val));
    };
}
function callBoth(on1, on2) {
    return function () {
        on1.apply(this, arguments);
        on2.apply(this, arguments);
    };
}
function hookCreatingChain(f1, f2) {
    if (f1 === nop)
        return f2;
    return function () {
        var res = f1.apply(this, arguments);
        if (res !== undefined)
            arguments[0] = res;
        var onsuccess = this.onsuccess,
        onerror = this.onerror;
        this.onsuccess = null;
        this.onerror = null;
        var res2 = f2.apply(this, arguments);
        if (onsuccess)
            this.onsuccess = this.onsuccess ? callBoth(onsuccess, this.onsuccess) : onsuccess;
        if (onerror)
            this.onerror = this.onerror ? callBoth(onerror, this.onerror) : onerror;
        return res2 !== undefined ? res2 : res;
    };
}
function hookDeletingChain(f1, f2) {
    if (f1 === nop)
        return f2;
    return function () {
        f1.apply(this, arguments);
        var onsuccess = this.onsuccess,
        onerror = this.onerror;
        this.onsuccess = this.onerror = null;
        f2.apply(this, arguments);
        if (onsuccess)
            this.onsuccess = this.onsuccess ? callBoth(onsuccess, this.onsuccess) : onsuccess;
        if (onerror)
            this.onerror = this.onerror ? callBoth(onerror, this.onerror) : onerror;
    };
}
function hookUpdatingChain(f1, f2) {
    if (f1 === nop)
        return f2;
    return function (modifications) {
        var res = f1.apply(this, arguments);
        extend(modifications, res);
        var onsuccess = this.onsuccess,
        onerror = this.onerror;
        this.onsuccess = null;
        this.onerror = null;
        var res2 = f2.apply(this, arguments);
        if (onsuccess)
            this.onsuccess = this.onsuccess ? callBoth(onsuccess, this.onsuccess) : onsuccess;
        if (onerror)
            this.onerror = this.onerror ? callBoth(onerror, this.onerror) : onerror;
        return res === undefined ?
            (res2 === undefined ? undefined : res2) :
            (extend(res, res2));
    };
}
function reverseStoppableEventChain(f1, f2) {
    if (f1 === nop)
        return f2;
    return function () {
        if (f2.apply(this, arguments) === false)
            return false;
        return f1.apply(this, arguments);
    };
}

function promisableChain(f1, f2) {
    if (f1 === nop)
        return f2;
    return function () {
        var res = f1.apply(this, arguments);
        if (res && typeof res.then === 'function') {
            var thiz = this, i = arguments.length, args = new Array(i);
            while (i--)
                args[i] = arguments[i];
            return res.then(function () {
                return f2.apply(thiz, args);
            });
        }
        return f2.apply(this, arguments);
    };
}

var INTERNAL = {};
var LONG_STACKS_CLIP_LIMIT = 100;
var MAX_LONG_STACKS = 20;
var ZONE_ECHO_LIMIT = 100;
var _a = typeof Promise === 'undefined' ?
    [] :
    (function () {
        var globalP = Promise.resolve();
        if (typeof crypto === 'undefined' || !crypto.subtle)
            return [globalP, globalP.__proto__, globalP];
        var nativeP = crypto.subtle.digest("SHA-512", new Uint8Array([0]));
        return [
            nativeP,
            nativeP.__proto__,
            globalP
        ];
    })();
var resolvedNativePromise = _a[0];
var nativePromiseProto = _a[1];
var resolvedGlobalPromise = _a[2];
var nativePromiseThen = nativePromiseProto && nativePromiseProto.then;
var NativePromise = resolvedNativePromise && resolvedNativePromise.constructor;
var patchGlobalPromise = !!resolvedGlobalPromise;
var stack_being_generated = false;
var schedulePhysicalTick = resolvedGlobalPromise ?
    function () { resolvedGlobalPromise.then(physicalTick); }
    :
        _global.setImmediate ?
            setImmediate.bind(null, physicalTick) :
            _global.MutationObserver ?
                function () {
                    var hiddenDiv = document.createElement("div");
                    (new MutationObserver(function () {
                        physicalTick();
                        hiddenDiv = null;
                    })).observe(hiddenDiv, { attributes: true });
                    hiddenDiv.setAttribute('i', '1');
                } :
                function () { setTimeout(physicalTick, 0); };
var asap$1 = function (callback, args) {
    microtickQueue.push([callback, args]);
    if (needsNewPhysicalTick) {
        schedulePhysicalTick();
        needsNewPhysicalTick = false;
    }
};
var isOutsideMicroTick = true;
var needsNewPhysicalTick = true;
var unhandledErrors = [];
var rejectingErrors = [];
var currentFulfiller = null;
var rejectionMapper = mirror;
var globalPSD = {
    id: 'global',
    global: true,
    ref: 0,
    unhandleds: [],
    onunhandled: globalError,
    pgp: false,
    env: {},
    finalize: function () {
        this.unhandleds.forEach(function (uh) {
            try {
                globalError(uh[0], uh[1]);
            }
            catch (e) { }
        });
    }
};
var PSD = globalPSD;
var microtickQueue = [];
var numScheduledCalls = 0;
var tickFinalizers = [];
function DexiePromise(fn) {
    if (typeof this !== 'object')
        throw new TypeError('Promises must be constructed via new');
    this._listeners = [];
    this.onuncatched = nop;
    this._lib = false;
    var psd = (this._PSD = PSD);
    if (debug) {
        this._stackHolder = getErrorWithStack();
        this._prev = null;
        this._numPrev = 0;
    }
    if (typeof fn !== 'function') {
        if (fn !== INTERNAL)
            throw new TypeError('Not a function');
        this._state = arguments[1];
        this._value = arguments[2];
        if (this._state === false)
            handleRejection(this, this._value);
        return;
    }
    this._state = null;
    this._value = null;
    ++psd.ref;
    executePromiseTask(this, fn);
}
var thenProp = {
    get: function () {
        var psd = PSD, microTaskId = totalEchoes;
        function then(onFulfilled, onRejected) {
            var _this = this;
            var possibleAwait = !psd.global && (psd !== PSD || microTaskId !== totalEchoes);
            if (possibleAwait)
                decrementExpectedAwaits();
            var rv = new DexiePromise(function (resolve, reject) {
                propagateToListener(_this, new Listener(nativeAwaitCompatibleWrap(onFulfilled, psd, possibleAwait), nativeAwaitCompatibleWrap(onRejected, psd, possibleAwait), resolve, reject, psd));
            });
            debug && linkToPreviousPromise(rv, this);
            return rv;
        }
        then.prototype = INTERNAL;
        return then;
    },
    set: function (value) {
        setProp(this, 'then', value && value.prototype === INTERNAL ?
            thenProp :
            {
                get: function () {
                    return value;
                },
                set: thenProp.set
            });
    }
};
props(DexiePromise.prototype, {
    then: thenProp,
    _then: function (onFulfilled, onRejected) {
        propagateToListener(this, new Listener(null, null, onFulfilled, onRejected, PSD));
    },
    catch: function (onRejected) {
        if (arguments.length === 1)
            return this.then(null, onRejected);
        var type = arguments[0], handler = arguments[1];
        return typeof type === 'function' ? this.then(null, function (err) {
            return err instanceof type ? handler(err) : PromiseReject(err);
        })
            : this.then(null, function (err) {
                return err && err.name === type ? handler(err) : PromiseReject(err);
            });
    },
    finally: function (onFinally) {
        return this.then(function (value) {
            onFinally();
            return value;
        }, function (err) {
            onFinally();
            return PromiseReject(err);
        });
    },
    stack: {
        get: function () {
            if (this._stack)
                return this._stack;
            try {
                stack_being_generated = true;
                var stacks = getStack(this, [], MAX_LONG_STACKS);
                var stack = stacks.join("\nFrom previous: ");
                if (this._state !== null)
                    this._stack = stack;
                return stack;
            }
            finally {
                stack_being_generated = false;
            }
        }
    },
    timeout: function (ms, msg) {
        var _this = this;
        return ms < Infinity ?
            new DexiePromise(function (resolve, reject) {
                var handle = setTimeout(function () { return reject(new exceptions.Timeout(msg)); }, ms);
                _this.then(resolve, reject).finally(clearTimeout.bind(null, handle));
            }) : this;
    }
});
if (typeof Symbol !== 'undefined' && Symbol.toStringTag)
    setProp(DexiePromise.prototype, Symbol.toStringTag, 'Dexie.Promise');
globalPSD.env = snapShot();
function Listener(onFulfilled, onRejected, resolve, reject, zone) {
    this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null;
    this.onRejected = typeof onRejected === 'function' ? onRejected : null;
    this.resolve = resolve;
    this.reject = reject;
    this.psd = zone;
}
props(DexiePromise, {
    all: function () {
        var values = getArrayOf.apply(null, arguments)
            .map(onPossibleParallellAsync);
        return new DexiePromise(function (resolve, reject) {
            if (values.length === 0)
                resolve([]);
            var remaining = values.length;
            values.forEach(function (a, i) { return DexiePromise.resolve(a).then(function (x) {
                values[i] = x;
                if (!--remaining)
                    resolve(values);
            }, reject); });
        });
    },
    resolve: function (value) {
        if (value instanceof DexiePromise)
            return value;
        if (value && typeof value.then === 'function')
            return new DexiePromise(function (resolve, reject) {
                value.then(resolve, reject);
            });
        var rv = new DexiePromise(INTERNAL, true, value);
        linkToPreviousPromise(rv, currentFulfiller);
        return rv;
    },
    reject: PromiseReject,
    race: function () {
        var values = getArrayOf.apply(null, arguments).map(onPossibleParallellAsync);
        return new DexiePromise(function (resolve, reject) {
            values.map(function (value) { return DexiePromise.resolve(value).then(resolve, reject); });
        });
    },
    PSD: {
        get: function () { return PSD; },
        set: function (value) { return PSD = value; }
    },
    newPSD: newScope,
    usePSD: usePSD,
    incrementExpectedAwaits: incrementExpectedAwaits,
    decrementExpectedAwaits: decrementExpectedAwaits,
    scheduler: {
        get: function () { return asap$1; },
        set: function (value) { asap$1 = value; }
    },
    rejectionMapper: {
        get: function () { return rejectionMapper; },
        set: function (value) { rejectionMapper = value; }
    },
    follow: function (fn, zoneProps) {
        return new DexiePromise(function (resolve, reject) {
            return newScope(function (resolve, reject) {
                var psd = PSD;
                psd.unhandleds = [];
                psd.onunhandled = reject;
                psd.finalize = callBoth(function () {
                    var _this = this;
                    run_at_end_of_this_or_next_physical_tick(function () {
                        _this.unhandleds.length === 0 ? resolve() : reject(_this.unhandleds[0]);
                    });
                }, psd.finalize);
                fn();
            }, zoneProps, resolve, reject);
        });
    }
});
if (NativePromise) {
    if (NativePromise.allSettled)
        setProp(DexiePromise, "allSettled", function () {
            var possiblePromises = getArrayOf.apply(null, arguments).map(onPossibleParallellAsync);
            return new DexiePromise(function (resolve) {
                if (possiblePromises.length === 0)
                    resolve([]);
                var remaining = possiblePromises.length;
                var results = new Array(remaining);
                possiblePromises.forEach(function (p, i) { return DexiePromise.resolve(p).then(function (value) { return results[i] = { status: "fulfilled", value: value }; }, function (reason) { return results[i] = { status: "rejected", reason: reason }; })
                    .then(function () { return --remaining || resolve(results); }); });
            });
        });
    if (NativePromise.any && typeof AggregateError !== 'undefined')
        setProp(DexiePromise, "any", function () {
            var possiblePromises = getArrayOf.apply(null, arguments).map(onPossibleParallellAsync);
            return new DexiePromise(function (resolve, reject) {
                if (possiblePromises.length === 0)
                    reject(new AggregateError([]));
                var remaining = possiblePromises.length;
                var failures = new Array(remaining);
                possiblePromises.forEach(function (p, i) { return DexiePromise.resolve(p).then(function (value) { return resolve(value); }, function (failure) {
                    failures[i] = failure;
                    if (!--remaining)
                        reject(new AggregateError(failures));
                }); });
            });
        });
}
function executePromiseTask(promise, fn) {
    try {
        fn(function (value) {
            if (promise._state !== null)
                return;
            if (value === promise)
                throw new TypeError('A promise cannot be resolved with itself.');
            var shouldExecuteTick = promise._lib && beginMicroTickScope();
            if (value && typeof value.then === 'function') {
                executePromiseTask(promise, function (resolve, reject) {
                    value instanceof DexiePromise ?
                        value._then(resolve, reject) :
                        value.then(resolve, reject);
                });
            }
            else {
                promise._state = true;
                promise._value = value;
                propagateAllListeners(promise);
            }
            if (shouldExecuteTick)
                endMicroTickScope();
        }, handleRejection.bind(null, promise));
    }
    catch (ex) {
        handleRejection(promise, ex);
    }
}
function handleRejection(promise, reason) {
    rejectingErrors.push(reason);
    if (promise._state !== null)
        return;
    var shouldExecuteTick = promise._lib && beginMicroTickScope();
    reason = rejectionMapper(reason);
    promise._state = false;
    promise._value = reason;
    debug && reason !== null && typeof reason === 'object' && !reason._promise && tryCatch(function () {
        var origProp = getPropertyDescriptor(reason, "stack");
        reason._promise = promise;
        setProp(reason, "stack", {
            get: function () {
                return stack_being_generated ?
                    origProp && (origProp.get ?
                        origProp.get.apply(reason) :
                        origProp.value) :
                    promise.stack;
            }
        });
    });
    addPossiblyUnhandledError(promise);
    propagateAllListeners(promise);
    if (shouldExecuteTick)
        endMicroTickScope();
}
function propagateAllListeners(promise) {
    var listeners = promise._listeners;
    promise._listeners = [];
    for (var i = 0, len = listeners.length; i < len; ++i) {
        propagateToListener(promise, listeners[i]);
    }
    var psd = promise._PSD;
    --psd.ref || psd.finalize();
    if (numScheduledCalls === 0) {
        ++numScheduledCalls;
        asap$1(function () {
            if (--numScheduledCalls === 0)
                finalizePhysicalTick();
        }, []);
    }
}
function propagateToListener(promise, listener) {
    if (promise._state === null) {
        promise._listeners.push(listener);
        return;
    }
    var cb = promise._state ? listener.onFulfilled : listener.onRejected;
    if (cb === null) {
        return (promise._state ? listener.resolve : listener.reject)(promise._value);
    }
    ++listener.psd.ref;
    ++numScheduledCalls;
    asap$1(callListener, [cb, promise, listener]);
}
function callListener(cb, promise, listener) {
    try {
        currentFulfiller = promise;
        var ret, value = promise._value;
        if (promise._state) {
            ret = cb(value);
        }
        else {
            if (rejectingErrors.length)
                rejectingErrors = [];
            ret = cb(value);
            if (rejectingErrors.indexOf(value) === -1)
                markErrorAsHandled(promise);
        }
        listener.resolve(ret);
    }
    catch (e) {
        listener.reject(e);
    }
    finally {
        currentFulfiller = null;
        if (--numScheduledCalls === 0)
            finalizePhysicalTick();
        --listener.psd.ref || listener.psd.finalize();
    }
}
function getStack(promise, stacks, limit) {
    if (stacks.length === limit)
        return stacks;
    var stack = "";
    if (promise._state === false) {
        var failure = promise._value, errorName, message;
        if (failure != null) {
            errorName = failure.name || "Error";
            message = failure.message || failure;
            stack = prettyStack(failure, 0);
        }
        else {
            errorName = failure;
            message = "";
        }
        stacks.push(errorName + (message ? ": " + message : "") + stack);
    }
    if (debug) {
        stack = prettyStack(promise._stackHolder, 2);
        if (stack && stacks.indexOf(stack) === -1)
            stacks.push(stack);
        if (promise._prev)
            getStack(promise._prev, stacks, limit);
    }
    return stacks;
}
function linkToPreviousPromise(promise, prev) {
    var numPrev = prev ? prev._numPrev + 1 : 0;
    if (numPrev < LONG_STACKS_CLIP_LIMIT) {
        promise._prev = prev;
        promise._numPrev = numPrev;
    }
}
function physicalTick() {
    beginMicroTickScope() && endMicroTickScope();
}
function beginMicroTickScope() {
    var wasRootExec = isOutsideMicroTick;
    isOutsideMicroTick = false;
    needsNewPhysicalTick = false;
    return wasRootExec;
}
function endMicroTickScope() {
    var callbacks, i, l;
    do {
        while (microtickQueue.length > 0) {
            callbacks = microtickQueue;
            microtickQueue = [];
            l = callbacks.length;
            for (i = 0; i < l; ++i) {
                var item = callbacks[i];
                item[0].apply(null, item[1]);
            }
        }
    } while (microtickQueue.length > 0);
    isOutsideMicroTick = true;
    needsNewPhysicalTick = true;
}
function finalizePhysicalTick() {
    var unhandledErrs = unhandledErrors;
    unhandledErrors = [];
    unhandledErrs.forEach(function (p) {
        p._PSD.onunhandled.call(null, p._value, p);
    });
    var finalizers = tickFinalizers.slice(0);
    var i = finalizers.length;
    while (i)
        finalizers[--i]();
}
function run_at_end_of_this_or_next_physical_tick(fn) {
    function finalizer() {
        fn();
        tickFinalizers.splice(tickFinalizers.indexOf(finalizer), 1);
    }
    tickFinalizers.push(finalizer);
    ++numScheduledCalls;
    asap$1(function () {
        if (--numScheduledCalls === 0)
            finalizePhysicalTick();
    }, []);
}
function addPossiblyUnhandledError(promise) {
    if (!unhandledErrors.some(function (p) { return p._value === promise._value; }))
        unhandledErrors.push(promise);
}
function markErrorAsHandled(promise) {
    var i = unhandledErrors.length;
    while (i)
        if (unhandledErrors[--i]._value === promise._value) {
            unhandledErrors.splice(i, 1);
            return;
        }
}
function PromiseReject(reason) {
    return new DexiePromise(INTERNAL, false, reason);
}
function wrap(fn, errorCatcher) {
    var psd = PSD;
    return function () {
        var wasRootExec = beginMicroTickScope(), outerScope = PSD;
        try {
            switchToZone(psd, true);
            return fn.apply(this, arguments);
        }
        catch (e) {
            errorCatcher && errorCatcher(e);
        }
        finally {
            switchToZone(outerScope, false);
            if (wasRootExec)
                endMicroTickScope();
        }
    };
}
var task = { awaits: 0, echoes: 0, id: 0 };
var taskCounter = 0;
var zoneStack = [];
var zoneEchoes = 0;
var totalEchoes = 0;
var zone_id_counter = 0;
function newScope(fn, props$$1, a1, a2) {
    var parent = PSD, psd = Object.create(parent);
    psd.parent = parent;
    psd.ref = 0;
    psd.global = false;
    psd.id = ++zone_id_counter;
    var globalEnv = globalPSD.env;
    psd.env = patchGlobalPromise ? {
        Promise: DexiePromise,
        PromiseProp: { value: DexiePromise, configurable: true, writable: true },
        all: DexiePromise.all,
        race: DexiePromise.race,
        allSettled: DexiePromise.allSettled,
        any: DexiePromise.any,
        resolve: DexiePromise.resolve,
        reject: DexiePromise.reject,
        nthen: getPatchedPromiseThen(globalEnv.nthen, psd),
        gthen: getPatchedPromiseThen(globalEnv.gthen, psd)
    } : {};
    if (props$$1)
        extend(psd, props$$1);
    ++parent.ref;
    psd.finalize = function () {
        --this.parent.ref || this.parent.finalize();
    };
    var rv = usePSD(psd, fn, a1, a2);
    if (psd.ref === 0)
        psd.finalize();
    return rv;
}
function incrementExpectedAwaits() {
    if (!task.id)
        task.id = ++taskCounter;
    ++task.awaits;
    task.echoes += ZONE_ECHO_LIMIT;
    return task.id;
}
function decrementExpectedAwaits(sourceTaskId) {
    if (!task.awaits || (sourceTaskId && sourceTaskId !== task.id))
        return;
    if (--task.awaits === 0)
        task.id = 0;
    task.echoes = task.awaits * ZONE_ECHO_LIMIT;
}
if (('' + nativePromiseThen).indexOf('[native code]') === -1) {
    incrementExpectedAwaits = decrementExpectedAwaits = nop;
}
function onPossibleParallellAsync(possiblePromise) {
    if (task.echoes && possiblePromise && possiblePromise.constructor === NativePromise) {
        incrementExpectedAwaits();
        return possiblePromise.then(function (x) {
            decrementExpectedAwaits();
            return x;
        }, function (e) {
            decrementExpectedAwaits();
            return rejection(e);
        });
    }
    return possiblePromise;
}
function zoneEnterEcho(targetZone) {
    ++totalEchoes;
    if (!task.echoes || --task.echoes === 0) {
        task.echoes = task.id = 0;
    }
    zoneStack.push(PSD);
    switchToZone(targetZone, true);
}
function zoneLeaveEcho() {
    var zone = zoneStack[zoneStack.length - 1];
    zoneStack.pop();
    switchToZone(zone, false);
}
function switchToZone(targetZone, bEnteringZone) {
    var currentZone = PSD;
    if (bEnteringZone ? task.echoes && (!zoneEchoes++ || targetZone !== PSD) : zoneEchoes && (!--zoneEchoes || targetZone !== PSD)) {
        enqueueNativeMicroTask(bEnteringZone ? zoneEnterEcho.bind(null, targetZone) : zoneLeaveEcho);
    }
    if (targetZone === PSD)
        return;
    PSD = targetZone;
    if (currentZone === globalPSD)
        globalPSD.env = snapShot();
    if (patchGlobalPromise) {
        var GlobalPromise_1 = globalPSD.env.Promise;
        var targetEnv = targetZone.env;
        nativePromiseProto.then = targetEnv.nthen;
        GlobalPromise_1.prototype.then = targetEnv.gthen;
        if (currentZone.global || targetZone.global) {
            Object.defineProperty(_global, 'Promise', targetEnv.PromiseProp);
            GlobalPromise_1.all = targetEnv.all;
            GlobalPromise_1.race = targetEnv.race;
            GlobalPromise_1.resolve = targetEnv.resolve;
            GlobalPromise_1.reject = targetEnv.reject;
            if (targetEnv.allSettled)
                GlobalPromise_1.allSettled = targetEnv.allSettled;
            if (targetEnv.any)
                GlobalPromise_1.any = targetEnv.any;
        }
    }
}
function snapShot() {
    var GlobalPromise = _global.Promise;
    return patchGlobalPromise ? {
        Promise: GlobalPromise,
        PromiseProp: Object.getOwnPropertyDescriptor(_global, "Promise"),
        all: GlobalPromise.all,
        race: GlobalPromise.race,
        allSettled: GlobalPromise.allSettled,
        any: GlobalPromise.any,
        resolve: GlobalPromise.resolve,
        reject: GlobalPromise.reject,
        nthen: nativePromiseProto.then,
        gthen: GlobalPromise.prototype.then
    } : {};
}
function usePSD(psd, fn, a1, a2, a3) {
    var outerScope = PSD;
    try {
        switchToZone(psd, true);
        return fn(a1, a2, a3);
    }
    finally {
        switchToZone(outerScope, false);
    }
}
function enqueueNativeMicroTask(job) {
    nativePromiseThen.call(resolvedNativePromise, job);
}
function nativeAwaitCompatibleWrap(fn, zone, possibleAwait) {
    return typeof fn !== 'function' ? fn : function () {
        var outerZone = PSD;
        if (possibleAwait)
            incrementExpectedAwaits();
        switchToZone(zone, true);
        try {
            return fn.apply(this, arguments);
        }
        finally {
            switchToZone(outerZone, false);
        }
    };
}
function getPatchedPromiseThen(origThen, zone) {
    return function (onResolved, onRejected) {
        return origThen.call(this, nativeAwaitCompatibleWrap(onResolved, zone, false), nativeAwaitCompatibleWrap(onRejected, zone, false));
    };
}
var UNHANDLEDREJECTION = "unhandledrejection";
function globalError(err, promise) {
    var rv;
    try {
        rv = promise.onuncatched(err);
    }
    catch (e) { }
    if (rv !== false)
        try {
            var event, eventData = { promise: promise, reason: err };
            if (_global.document && document.createEvent) {
                event = document.createEvent('Event');
                event.initEvent(UNHANDLEDREJECTION, true, true);
                extend(event, eventData);
            }
            else if (_global.CustomEvent) {
                event = new CustomEvent(UNHANDLEDREJECTION, { detail: eventData });
                extend(event, eventData);
            }
            if (event && _global.dispatchEvent) {
                dispatchEvent(event);
                if (!_global.PromiseRejectionEvent && _global.onunhandledrejection)
                    try {
                        _global.onunhandledrejection(event);
                    }
                    catch (_) { }
            }
            if (debug && event && !event.defaultPrevented) {
                console.warn("Unhandled rejection: " + (err.stack || err));
            }
        }
        catch (e) { }
}
var rejection = DexiePromise.reject;

function tempTransaction(db, mode, storeNames, fn) {
    if (!db._state.openComplete && (!PSD.letThrough)) {
        if (!db._state.isBeingOpened) {
            if (!db._options.autoOpen)
                return rejection(new exceptions.DatabaseClosed());
            db.open().catch(nop);
        }
        return db._state.dbReadyPromise.then(function () { return tempTransaction(db, mode, storeNames, fn); });
    }
    else {
        var trans = db._createTransaction(mode, storeNames, db._dbSchema);
        try {
            trans.create();
        }
        catch (ex) {
            return rejection(ex);
        }
        return trans._promise(mode, function (resolve, reject) {
            return newScope(function () {
                PSD.trans = trans;
                return fn(resolve, reject, trans);
            });
        }).then(function (result) {
            return trans._completion.then(function () { return result; });
        });
    }
}

var DEXIE_VERSION = '3.0.2';
var maxString = String.fromCharCode(65535);
var minKey = -Infinity;
var INVALID_KEY_ARGUMENT = "Invalid key provided. Keys must be of type string, number, Date or Array<string | number | Date>.";
var STRING_EXPECTED = "String expected.";
var connections = [];
var isIEOrEdge = typeof navigator !== 'undefined' && /(MSIE|Trident|Edge)/.test(navigator.userAgent);
var hasIEDeleteObjectStoreBug = isIEOrEdge;
var hangsOnDeleteLargeKeyRange = isIEOrEdge;
var dexieStackFrameFilter = function (frame) { return !/(dexie\.js|dexie\.min\.js)/.test(frame); };
var DBNAMES_DB = '__dbnames';
var READONLY = 'readonly';
var READWRITE = 'readwrite';

function combine(filter1, filter2) {
    return filter1 ?
        filter2 ?
            function () { return filter1.apply(this, arguments) && filter2.apply(this, arguments); } :
            filter1 :
        filter2;
}

var AnyRange = {
    type: 3          ,
    lower: -Infinity,
    lowerOpen: false,
    upper: [[]],
    upperOpen: false
};

var Table =               (function () {
    function Table() {
    }
    Table.prototype._trans = function (mode, fn, writeLocked) {
        var trans = this._tx || PSD.trans;
        var tableName = this.name;
        function checkTableInTransaction(resolve, reject, trans) {
            if (!trans.schema[tableName])
                throw new exceptions.NotFound("Table " + tableName + " not part of transaction");
            return fn(trans.idbtrans, trans);
        }
        var wasRootExec = beginMicroTickScope();
        try {
            return trans && trans.db === this.db ?
                trans === PSD.trans ?
                    trans._promise(mode, checkTableInTransaction, writeLocked) :
                    newScope(function () { return trans._promise(mode, checkTableInTransaction, writeLocked); }, { trans: trans, transless: PSD.transless || PSD }) :
                tempTransaction(this.db, mode, [this.name], checkTableInTransaction);
        }
        finally {
            if (wasRootExec)
                endMicroTickScope();
        }
    };
    Table.prototype.get = function (keyOrCrit, cb) {
        var _this = this;
        if (keyOrCrit && keyOrCrit.constructor === Object)
            return this.where(keyOrCrit).first(cb);
        return this._trans('readonly', function (trans) {
            return _this.core.get({ trans: trans, key: keyOrCrit })
                .then(function (res) { return _this.hook.reading.fire(res); });
        }).then(cb);
    };
    Table.prototype.where = function (indexOrCrit) {
        if (typeof indexOrCrit === 'string')
            return new this.db.WhereClause(this, indexOrCrit);
        if (isArray(indexOrCrit))
            return new this.db.WhereClause(this, "[" + indexOrCrit.join('+') + "]");
        var keyPaths = keys(indexOrCrit);
        if (keyPaths.length === 1)
            return this
                .where(keyPaths[0])
                .equals(indexOrCrit[keyPaths[0]]);
        var compoundIndex = this.schema.indexes.concat(this.schema.primKey).filter(function (ix) {
            return ix.compound &&
                keyPaths.every(function (keyPath) { return ix.keyPath.indexOf(keyPath) >= 0; }) &&
                ix.keyPath.every(function (keyPath) { return keyPaths.indexOf(keyPath) >= 0; });
        })[0];
        if (compoundIndex && this.db._maxKey !== maxString)
            return this
                .where(compoundIndex.name)
                .equals(compoundIndex.keyPath.map(function (kp) { return indexOrCrit[kp]; }));
        if (!compoundIndex && debug)
            console.warn("The query " + JSON.stringify(indexOrCrit) + " on " + this.name + " would benefit of a " +
                ("compound index [" + keyPaths.join('+') + "]"));
        var idxByName = this.schema.idxByName;
        var idb = this.db._deps.indexedDB;
        function equals(a, b) {
            try {
                return idb.cmp(a, b) === 0;
            }
            catch (e) {
                return false;
            }
        }
        var _a = keyPaths.reduce(function (_a, keyPath) {
            var prevIndex = _a[0], prevFilterFn = _a[1];
            var index = idxByName[keyPath];
            var value = indexOrCrit[keyPath];
            return [
                prevIndex || index,
                prevIndex || !index ?
                    combine(prevFilterFn, index && index.multi ?
                        function (x) {
                            var prop = getByKeyPath(x, keyPath);
                            return isArray(prop) && prop.some(function (item) { return equals(value, item); });
                        } : function (x) { return equals(value, getByKeyPath(x, keyPath)); })
                    : prevFilterFn
            ];
        }, [null, null]), idx = _a[0], filterFunction = _a[1];
        return idx ?
            this.where(idx.name).equals(indexOrCrit[idx.keyPath])
                .filter(filterFunction) :
            compoundIndex ?
                this.filter(filterFunction) :
                this.where(keyPaths).equals('');
    };
    Table.prototype.filter = function (filterFunction) {
        return this.toCollection().and(filterFunction);
    };
    Table.prototype.count = function (thenShortcut) {
        return this.toCollection().count(thenShortcut);
    };
    Table.prototype.offset = function (offset) {
        return this.toCollection().offset(offset);
    };
    Table.prototype.limit = function (numRows) {
        return this.toCollection().limit(numRows);
    };
    Table.prototype.each = function (callback) {
        return this.toCollection().each(callback);
    };
    Table.prototype.toArray = function (thenShortcut) {
        return this.toCollection().toArray(thenShortcut);
    };
    Table.prototype.toCollection = function () {
        return new this.db.Collection(new this.db.WhereClause(this));
    };
    Table.prototype.orderBy = function (index) {
        return new this.db.Collection(new this.db.WhereClause(this, isArray(index) ?
            "[" + index.join('+') + "]" :
            index));
    };
    Table.prototype.reverse = function () {
        return this.toCollection().reverse();
    };
    Table.prototype.mapToClass = function (constructor) {
        this.schema.mappedClass = constructor;
        var readHook = function (obj) {
            if (!obj)
                return obj;
            var res = Object.create(constructor.prototype);
            for (var m in obj)
                if (hasOwn(obj, m))
                    try {
                        res[m] = obj[m];
                    }
                    catch (_) { }
            return res;
        };
        if (this.schema.readHook) {
            this.hook.reading.unsubscribe(this.schema.readHook);
        }
        this.schema.readHook = readHook;
        this.hook("reading", readHook);
        return constructor;
    };
    Table.prototype.defineClass = function () {
        function Class(content) {
            extend(this, content);
        }
        
        return this.mapToClass(Class);
    };
    Table.prototype.add = function (obj, key) {
        var _this = this;
        return this._trans('readwrite', function (trans) {
            return _this.core.mutate({ trans: trans, type: 'add', keys: key != null ? [key] : null, values: [obj] });
        }).then(function (res) { return res.numFailures ? DexiePromise.reject(res.failures[0]) : res.lastResult; })
            .then(function (lastResult) {
            if (!_this.core.schema.primaryKey.outbound) {
                try {
                    setByKeyPath(obj, _this.core.schema.primaryKey.keyPath, lastResult);
                }
                catch (_) { }
                
            }
            return lastResult;
        });
    };
    Table.prototype.update = function (keyOrObject, modifications) {
        if (typeof modifications !== 'object' || isArray(modifications))
            throw new exceptions.InvalidArgument("Modifications must be an object.");
        if (typeof keyOrObject === 'object' && !isArray(keyOrObject)) {
            keys(modifications).forEach(function (keyPath) {
                setByKeyPath(keyOrObject, keyPath, modifications[keyPath]);
            });
            var key = getByKeyPath(keyOrObject, this.schema.primKey.keyPath);
            if (key === undefined)
                return rejection(new exceptions.InvalidArgument("Given object does not contain its primary key"));
            return this.where(":id").equals(key).modify(modifications);
        }
        else {
            return this.where(":id").equals(keyOrObject).modify(modifications);
        }
    };
    Table.prototype.put = function (obj, key) {
        var _this = this;
        return this._trans('readwrite', function (trans) { return _this.core.mutate({ trans: trans, type: 'put', values: [obj], keys: key != null ? [key] : null }); })
            .then(function (res) { return res.numFailures ? DexiePromise.reject(res.failures[0]) : res.lastResult; })
            .then(function (lastResult) {
            if (!_this.core.schema.primaryKey.outbound) {
                try {
                    setByKeyPath(obj, _this.core.schema.primaryKey.keyPath, lastResult);
                }
                catch (_) { }
                
            }
            return lastResult;
        });
    };
    Table.prototype.delete = function (key) {
        var _this = this;
        return this._trans('readwrite', function (trans) { return _this.core.mutate({ trans: trans, type: 'delete', keys: [key] }); })
            .then(function (res) { return res.numFailures ? DexiePromise.reject(res.failures[0]) : undefined; });
    };
    Table.prototype.clear = function () {
        var _this = this;
        return this._trans('readwrite', function (trans) { return _this.core.mutate({ trans: trans, type: 'deleteRange', range: AnyRange }); })
            .then(function (res) { return res.numFailures ? DexiePromise.reject(res.failures[0]) : undefined; });
    };
    Table.prototype.bulkGet = function (keys$$1) {
        var _this = this;
        return this._trans('readonly', function (trans) {
            return _this.core.getMany({
                keys: keys$$1,
                trans: trans
            }).then(function (result) { return result.map(function (res) { return _this.hook.reading.fire(res); }); });
        });
    };
    Table.prototype.bulkAdd = function (objects, keysOrOptions, options) {
        var _this = this;
        var keys$$1 = Array.isArray(keysOrOptions) ? keysOrOptions : undefined;
        options = options || (keys$$1 ? undefined : keysOrOptions);
        var wantResults = options ? options.allKeys : undefined;
        return this._trans('readwrite', function (trans) {
            var outbound = _this.core.schema.primaryKey.outbound;
            if (!outbound && keys$$1)
                throw new exceptions.InvalidArgument("bulkAdd(): keys argument invalid on tables with inbound keys");
            if (keys$$1 && keys$$1.length !== objects.length)
                throw new exceptions.InvalidArgument("Arguments objects and keys must have the same length");
            var numObjects = objects.length;
            return _this.core.mutate({ trans: trans, type: 'add', keys: keys$$1, values: objects, wantResults: wantResults })
                .then(function (_a) {
                var numFailures = _a.numFailures, results = _a.results, lastResult = _a.lastResult, failures = _a.failures;
                var result = wantResults ? results : lastResult;
                if (numFailures === 0)
                    return result;
                throw new BulkError(_this.name + ".bulkAdd(): " + numFailures + " of " + numObjects + " operations failed", Object.keys(failures).map(function (pos) { return failures[pos]; }));
            });
        });
    };
    Table.prototype.bulkPut = function (objects, keysOrOptions, options) {
        var _this = this;
        var keys$$1 = Array.isArray(keysOrOptions) ? keysOrOptions : undefined;
        options = options || (keys$$1 ? undefined : keysOrOptions);
        var wantResults = options ? options.allKeys : undefined;
        return this._trans('readwrite', function (trans) {
            var outbound = _this.core.schema.primaryKey.outbound;
            if (!outbound && keys$$1)
                throw new exceptions.InvalidArgument("bulkPut(): keys argument invalid on tables with inbound keys");
            if (keys$$1 && keys$$1.length !== objects.length)
                throw new exceptions.InvalidArgument("Arguments objects and keys must have the same length");
            var numObjects = objects.length;
            return _this.core.mutate({ trans: trans, type: 'put', keys: keys$$1, values: objects, wantResults: wantResults })
                .then(function (_a) {
                var numFailures = _a.numFailures, results = _a.results, lastResult = _a.lastResult, failures = _a.failures;
                var result = wantResults ? results : lastResult;
                if (numFailures === 0)
                    return result;
                throw new BulkError(_this.name + ".bulkPut(): " + numFailures + " of " + numObjects + " operations failed", Object.keys(failures).map(function (pos) { return failures[pos]; }));
            });
        });
    };
    Table.prototype.bulkDelete = function (keys$$1) {
        var _this = this;
        var numKeys = keys$$1.length;
        return this._trans('readwrite', function (trans) {
            return _this.core.mutate({ trans: trans, type: 'delete', keys: keys$$1 });
        }).then(function (_a) {
            var numFailures = _a.numFailures, lastResult = _a.lastResult, failures = _a.failures;
            if (numFailures === 0)
                return lastResult;
            throw new BulkError(_this.name + ".bulkDelete(): " + numFailures + " of " + numKeys + " operations failed", failures);
        });
    };
    return Table;
}());

function Events(ctx) {
    var evs = {};
    var rv = function (eventName, subscriber) {
        if (subscriber) {
            var i = arguments.length, args = new Array(i - 1);
            while (--i)
                args[i - 1] = arguments[i];
            evs[eventName].subscribe.apply(null, args);
            return ctx;
        }
        else if (typeof (eventName) === 'string') {
            return evs[eventName];
        }
    };
    rv.addEventType = add;
    for (var i = 1, l = arguments.length; i < l; ++i) {
        add(arguments[i]);
    }
    return rv;
    function add(eventName, chainFunction, defaultFunction) {
        if (typeof eventName === 'object')
            return addConfiguredEvents(eventName);
        if (!chainFunction)
            chainFunction = reverseStoppableEventChain;
        if (!defaultFunction)
            defaultFunction = nop;
        var context = {
            subscribers: [],
            fire: defaultFunction,
            subscribe: function (cb) {
                if (context.subscribers.indexOf(cb) === -1) {
                    context.subscribers.push(cb);
                    context.fire = chainFunction(context.fire, cb);
                }
            },
            unsubscribe: function (cb) {
                context.subscribers = context.subscribers.filter(function (fn) { return fn !== cb; });
                context.fire = context.subscribers.reduce(chainFunction, defaultFunction);
            }
        };
        evs[eventName] = rv[eventName] = context;
        return context;
    }
    function addConfiguredEvents(cfg) {
        keys(cfg).forEach(function (eventName) {
            var args = cfg[eventName];
            if (isArray(args)) {
                add(eventName, cfg[eventName][0], cfg[eventName][1]);
            }
            else if (args === 'asap') {
                var context = add(eventName, mirror, function fire() {
                    var i = arguments.length, args = new Array(i);
                    while (i--)
                        args[i] = arguments[i];
                    context.subscribers.forEach(function (fn) {
                        asap(function fireEvent() {
                            fn.apply(null, args);
                        });
                    });
                });
            }
            else
                throw new exceptions.InvalidArgument("Invalid event config");
        });
    }
}

function makeClassConstructor(prototype, constructor) {
    derive(constructor).from({ prototype: prototype });
    return constructor;
}

function createTableConstructor(db) {
    return makeClassConstructor(Table.prototype, function Table$$1(name, tableSchema, trans) {
        this.db = db;
        this._tx = trans;
        this.name = name;
        this.schema = tableSchema;
        this.hook = db._allTables[name] ? db._allTables[name].hook : Events(null, {
            "creating": [hookCreatingChain, nop],
            "reading": [pureFunctionChain, mirror],
            "updating": [hookUpdatingChain, nop],
            "deleting": [hookDeletingChain, nop]
        });
    });
}

function isPlainKeyRange(ctx, ignoreLimitFilter) {
    return !(ctx.filter || ctx.algorithm || ctx.or) &&
        (ignoreLimitFilter ? ctx.justLimit : !ctx.replayFilter);
}
function addFilter(ctx, fn) {
    ctx.filter = combine(ctx.filter, fn);
}
function addReplayFilter(ctx, factory, isLimitFilter) {
    var curr = ctx.replayFilter;
    ctx.replayFilter = curr ? function () { return combine(curr(), factory()); } : factory;
    ctx.justLimit = isLimitFilter && !curr;
}
function addMatchFilter(ctx, fn) {
    ctx.isMatch = combine(ctx.isMatch, fn);
}
function getIndexOrStore(ctx, coreSchema) {
    if (ctx.isPrimKey)
        return coreSchema.primaryKey;
    var index = coreSchema.getIndexByKeyPath(ctx.index);
    if (!index)
        throw new exceptions.Schema("KeyPath " + ctx.index + " on object store " + coreSchema.name + " is not indexed");
    return index;
}
function openCursor(ctx, coreTable, trans) {
    var index = getIndexOrStore(ctx, coreTable.schema);
    return coreTable.openCursor({
        trans: trans,
        values: !ctx.keysOnly,
        reverse: ctx.dir === 'prev',
        unique: !!ctx.unique,
        query: {
            index: index,
            range: ctx.range
        }
    });
}
function iter(ctx, fn, coreTrans, coreTable) {
    var filter = ctx.replayFilter ? combine(ctx.filter, ctx.replayFilter()) : ctx.filter;
    if (!ctx.or) {
        return iterate(openCursor(ctx, coreTable, coreTrans), combine(ctx.algorithm, filter), fn, !ctx.keysOnly && ctx.valueMapper);
    }
    else {
        var set_1 = {};
        var union = function (item, cursor, advance) {
            if (!filter || filter(cursor, advance, function (result) { return cursor.stop(result); }, function (err) { return cursor.fail(err); })) {
                var primaryKey = cursor.primaryKey;
                var key = '' + primaryKey;
                if (key === '[object ArrayBuffer]')
                    key = '' + new Uint8Array(primaryKey);
                if (!hasOwn(set_1, key)) {
                    set_1[key] = true;
                    fn(item, cursor, advance);
                }
            }
        };
        return Promise.all([
            ctx.or._iterate(union, coreTrans),
            iterate(openCursor(ctx, coreTable, coreTrans), ctx.algorithm, union, !ctx.keysOnly && ctx.valueMapper)
        ]);
    }
}
function iterate(cursorPromise, filter, fn, valueMapper) {
    var mappedFn = valueMapper ? function (x, c, a) { return fn(valueMapper(x), c, a); } : fn;
    var wrappedFn = wrap(mappedFn);
    return cursorPromise.then(function (cursor) {
        if (cursor) {
            return cursor.start(function () {
                var c = function () { return cursor.continue(); };
                if (!filter || filter(cursor, function (advancer) { return c = advancer; }, function (val) { cursor.stop(val); c = nop; }, function (e) { cursor.fail(e); c = nop; }))
                    wrappedFn(cursor.value, cursor, function (advancer) { return c = advancer; });
                c();
            });
        }
    });
}

var Collection =               (function () {
    function Collection() {
    }
    Collection.prototype._read = function (fn, cb) {
        var ctx = this._ctx;
        return ctx.error ?
            ctx.table._trans(null, rejection.bind(null, ctx.error)) :
            ctx.table._trans('readonly', fn).then(cb);
    };
    Collection.prototype._write = function (fn) {
        var ctx = this._ctx;
        return ctx.error ?
            ctx.table._trans(null, rejection.bind(null, ctx.error)) :
            ctx.table._trans('readwrite', fn, "locked");
    };
    Collection.prototype._addAlgorithm = function (fn) {
        var ctx = this._ctx;
        ctx.algorithm = combine(ctx.algorithm, fn);
    };
    Collection.prototype._iterate = function (fn, coreTrans) {
        return iter(this._ctx, fn, coreTrans, this._ctx.table.core);
    };
    Collection.prototype.clone = function (props$$1) {
        var rv = Object.create(this.constructor.prototype), ctx = Object.create(this._ctx);
        if (props$$1)
            extend(ctx, props$$1);
        rv._ctx = ctx;
        return rv;
    };
    Collection.prototype.raw = function () {
        this._ctx.valueMapper = null;
        return this;
    };
    Collection.prototype.each = function (fn) {
        var ctx = this._ctx;
        return this._read(function (trans) { return iter(ctx, fn, trans, ctx.table.core); });
    };
    Collection.prototype.count = function (cb) {
        var _this = this;
        return this._read(function (trans) {
            var ctx = _this._ctx;
            var coreTable = ctx.table.core;
            if (isPlainKeyRange(ctx, true)) {
                return coreTable.count({
                    trans: trans,
                    query: {
                        index: getIndexOrStore(ctx, coreTable.schema),
                        range: ctx.range
                    }
                }).then(function (count) { return Math.min(count, ctx.limit); });
            }
            else {
                var count = 0;
                return iter(ctx, function () { ++count; return false; }, trans, coreTable)
                    .then(function () { return count; });
            }
        }).then(cb);
    };
    Collection.prototype.sortBy = function (keyPath, cb) {
        var parts = keyPath.split('.').reverse(), lastPart = parts[0], lastIndex = parts.length - 1;
        function getval(obj, i) {
            if (i)
                return getval(obj[parts[i]], i - 1);
            return obj[lastPart];
        }
        var order = this._ctx.dir === "next" ? 1 : -1;
        function sorter(a, b) {
            var aVal = getval(a, lastIndex), bVal = getval(b, lastIndex);
            return aVal < bVal ? -order : aVal > bVal ? order : 0;
        }
        return this.toArray(function (a) {
            return a.sort(sorter);
        }).then(cb);
    };
    Collection.prototype.toArray = function (cb) {
        var _this = this;
        return this._read(function (trans) {
            var ctx = _this._ctx;
            if (ctx.dir === 'next' && isPlainKeyRange(ctx, true) && ctx.limit > 0) {
                var valueMapper_1 = ctx.valueMapper;
                var index = getIndexOrStore(ctx, ctx.table.core.schema);
                return ctx.table.core.query({
                    trans: trans,
                    limit: ctx.limit,
                    values: true,
                    query: {
                        index: index,
                        range: ctx.range
                    }
                }).then(function (_a) {
                    var result = _a.result;
                    return valueMapper_1 ? result.map(valueMapper_1) : result;
                });
            }
            else {
                var a_1 = [];
                return iter(ctx, function (item) { return a_1.push(item); }, trans, ctx.table.core).then(function () { return a_1; });
            }
        }, cb);
    };
    Collection.prototype.offset = function (offset) {
        var ctx = this._ctx;
        if (offset <= 0)
            return this;
        ctx.offset += offset;
        if (isPlainKeyRange(ctx)) {
            addReplayFilter(ctx, function () {
                var offsetLeft = offset;
                return function (cursor, advance) {
                    if (offsetLeft === 0)
                        return true;
                    if (offsetLeft === 1) {
                        --offsetLeft;
                        return false;
                    }
                    advance(function () {
                        cursor.advance(offsetLeft);
                        offsetLeft = 0;
                    });
                    return false;
                };
            });
        }
        else {
            addReplayFilter(ctx, function () {
                var offsetLeft = offset;
                return function () { return (--offsetLeft < 0); };
            });
        }
        return this;
    };
    Collection.prototype.limit = function (numRows) {
        this._ctx.limit = Math.min(this._ctx.limit, numRows);
        addReplayFilter(this._ctx, function () {
            var rowsLeft = numRows;
            return function (cursor, advance, resolve) {
                if (--rowsLeft <= 0)
                    advance(resolve);
                return rowsLeft >= 0;
            };
        }, true);
        return this;
    };
    Collection.prototype.until = function (filterFunction, bIncludeStopEntry) {
        addFilter(this._ctx, function (cursor, advance, resolve) {
            if (filterFunction(cursor.value)) {
                advance(resolve);
                return bIncludeStopEntry;
            }
            else {
                return true;
            }
        });
        return this;
    };
    Collection.prototype.first = function (cb) {
        return this.limit(1).toArray(function (a) { return a[0]; }).then(cb);
    };
    Collection.prototype.last = function (cb) {
        return this.reverse().first(cb);
    };
    Collection.prototype.filter = function (filterFunction) {
        addFilter(this._ctx, function (cursor) {
            return filterFunction(cursor.value);
        });
        addMatchFilter(this._ctx, filterFunction);
        return this;
    };
    Collection.prototype.and = function (filter) {
        return this.filter(filter);
    };
    Collection.prototype.or = function (indexName) {
        return new this.db.WhereClause(this._ctx.table, indexName, this);
    };
    Collection.prototype.reverse = function () {
        this._ctx.dir = (this._ctx.dir === "prev" ? "next" : "prev");
        if (this._ondirectionchange)
            this._ondirectionchange(this._ctx.dir);
        return this;
    };
    Collection.prototype.desc = function () {
        return this.reverse();
    };
    Collection.prototype.eachKey = function (cb) {
        var ctx = this._ctx;
        ctx.keysOnly = !ctx.isMatch;
        return this.each(function (val, cursor) { cb(cursor.key, cursor); });
    };
    Collection.prototype.eachUniqueKey = function (cb) {
        this._ctx.unique = "unique";
        return this.eachKey(cb);
    };
    Collection.prototype.eachPrimaryKey = function (cb) {
        var ctx = this._ctx;
        ctx.keysOnly = !ctx.isMatch;
        return this.each(function (val, cursor) { cb(cursor.primaryKey, cursor); });
    };
    Collection.prototype.keys = function (cb) {
        var ctx = this._ctx;
        ctx.keysOnly = !ctx.isMatch;
        var a = [];
        return this.each(function (item, cursor) {
            a.push(cursor.key);
        }).then(function () {
            return a;
        }).then(cb);
    };
    Collection.prototype.primaryKeys = function (cb) {
        var ctx = this._ctx;
        if (ctx.dir === 'next' && isPlainKeyRange(ctx, true) && ctx.limit > 0) {
            return this._read(function (trans) {
                var index = getIndexOrStore(ctx, ctx.table.core.schema);
                return ctx.table.core.query({
                    trans: trans,
                    values: false,
                    limit: ctx.limit,
                    query: {
                        index: index,
                        range: ctx.range
                    }
                });
            }).then(function (_a) {
                var result = _a.result;
                return result;
            }).then(cb);
        }
        ctx.keysOnly = !ctx.isMatch;
        var a = [];
        return this.each(function (item, cursor) {
            a.push(cursor.primaryKey);
        }).then(function () {
            return a;
        }).then(cb);
    };
    Collection.prototype.uniqueKeys = function (cb) {
        this._ctx.unique = "unique";
        return this.keys(cb);
    };
    Collection.prototype.firstKey = function (cb) {
        return this.limit(1).keys(function (a) { return a[0]; }).then(cb);
    };
    Collection.prototype.lastKey = function (cb) {
        return this.reverse().firstKey(cb);
    };
    Collection.prototype.distinct = function () {
        var ctx = this._ctx, idx = ctx.index && ctx.table.schema.idxByName[ctx.index];
        if (!idx || !idx.multi)
            return this;
        var set = {};
        addFilter(this._ctx, function (cursor) {
            var strKey = cursor.primaryKey.toString();
            var found = hasOwn(set, strKey);
            set[strKey] = true;
            return !found;
        });
        return this;
    };
    Collection.prototype.modify = function (changes) {
        var _this = this;
        var ctx = this._ctx;
        return this._write(function (trans) {
            var modifyer;
            if (typeof changes === 'function') {
                modifyer = changes;
            }
            else {
                var keyPaths = keys(changes);
                var numKeys = keyPaths.length;
                modifyer = function (item) {
                    var anythingModified = false;
                    for (var i = 0; i < numKeys; ++i) {
                        var keyPath = keyPaths[i], val = changes[keyPath];
                        if (getByKeyPath(item, keyPath) !== val) {
                            setByKeyPath(item, keyPath, val);
                            anythingModified = true;
                        }
                    }
                    return anythingModified;
                };
            }
            var coreTable = ctx.table.core;
            var _a = coreTable.schema.primaryKey, outbound = _a.outbound, extractKey = _a.extractKey;
            var limit = 'testmode' in Dexie ? 1 : 2000;
            var cmp = _this.db.core.cmp;
            var totalFailures = [];
            var successCount = 0;
            var failedKeys = [];
            var applyMutateResult = function (expectedCount, res) {
                var failures = res.failures, numFailures = res.numFailures;
                successCount += expectedCount - numFailures;
                for (var _i = 0, _a = keys(failures); _i < _a.length; _i++) {
                    var pos = _a[_i];
                    totalFailures.push(failures[pos]);
                }
            };
            return _this.clone().primaryKeys().then(function (keys$$1) {
                var nextChunk = function (offset) {
                    var count = Math.min(limit, keys$$1.length - offset);
                    return coreTable.getMany({ trans: trans, keys: keys$$1.slice(offset, offset + count) }).then(function (values) {
                        var addValues = [];
                        var putValues = [];
                        var putKeys = outbound ? [] : null;
                        var deleteKeys = [];
                        for (var i = 0; i < count; ++i) {
                            var origValue = values[i];
                            var ctx_1 = {
                                value: deepClone(origValue),
                                primKey: keys$$1[offset + i]
                            };
                            if (modifyer.call(ctx_1, ctx_1.value, ctx_1) !== false) {
                                if (ctx_1.value == null) {
                                    deleteKeys.push(keys$$1[offset + i]);
                                }
                                else if (!outbound && cmp(extractKey(origValue), extractKey(ctx_1.value)) !== 0) {
                                    deleteKeys.push(keys$$1[offset + i]);
                                    addValues.push(ctx_1.value);
                                }
                                else {
                                    putValues.push(ctx_1.value);
                                    if (outbound)
                                        putKeys.push(keys$$1[offset + i]);
                                }
                            }
                        }
                        return Promise.resolve(addValues.length > 0 &&
                            coreTable.mutate({ trans: trans, type: 'add', values: addValues })
                                .then(function (res) {
                                for (var pos in res.failures) {
                                    deleteKeys.splice(parseInt(pos), 1);
                                }
                                applyMutateResult(addValues.length, res);
                            })).then(function (res) { return putValues.length > 0 &&
                            coreTable.mutate({ trans: trans, type: 'put', keys: putKeys, values: putValues })
                                .then(function (res) { return applyMutateResult(putValues.length, res); }); }).then(function () { return deleteKeys.length > 0 &&
                            coreTable.mutate({ trans: trans, type: 'delete', keys: deleteKeys })
                                .then(function (res) { return applyMutateResult(deleteKeys.length, res); }); }).then(function () {
                            return keys$$1.length > offset + count && nextChunk(offset + limit);
                        });
                    });
                };
                return nextChunk(0).then(function () {
                    if (totalFailures.length > 0)
                        throw new ModifyError("Error modifying one or more objects", totalFailures, successCount, failedKeys);
                    return keys$$1.length;
                });
            });
        });
    };
    Collection.prototype.delete = function () {
        var ctx = this._ctx, range = ctx.range;
        if (isPlainKeyRange(ctx) &&
            ((ctx.isPrimKey && !hangsOnDeleteLargeKeyRange) || range.type === 3          ))
         {
            return this._write(function (trans) {
                var primaryKey = ctx.table.core.schema.primaryKey;
                var coreRange = range;
                return ctx.table.core.count({ trans: trans, query: { index: primaryKey, range: coreRange } }).then(function (count) {
                    return ctx.table.core.mutate({ trans: trans, type: 'deleteRange', range: coreRange })
                        .then(function (_a) {
                        var failures = _a.failures, lastResult = _a.lastResult, results = _a.results, numFailures = _a.numFailures;
                        if (numFailures)
                            throw new ModifyError("Could not delete some values", Object.keys(failures).map(function (pos) { return failures[pos]; }), count - numFailures);
                        return count - numFailures;
                    });
                });
            });
        }
        return this.modify(function (value, ctx) { return ctx.value = null; });
    };
    return Collection;
}());

function createCollectionConstructor(db) {
    return makeClassConstructor(Collection.prototype, function Collection$$1(whereClause, keyRangeGenerator) {
        this.db = db;
        var keyRange = AnyRange, error = null;
        if (keyRangeGenerator)
            try {
                keyRange = keyRangeGenerator();
            }
            catch (ex) {
                error = ex;
            }
        var whereCtx = whereClause._ctx;
        var table = whereCtx.table;
        var readingHook = table.hook.reading.fire;
        this._ctx = {
            table: table,
            index: whereCtx.index,
            isPrimKey: (!whereCtx.index || (table.schema.primKey.keyPath && whereCtx.index === table.schema.primKey.name)),
            range: keyRange,
            keysOnly: false,
            dir: "next",
            unique: "",
            algorithm: null,
            filter: null,
            replayFilter: null,
            justLimit: true,
            isMatch: null,
            offset: 0,
            limit: Infinity,
            error: error,
            or: whereCtx.or,
            valueMapper: readingHook !== mirror ? readingHook : null
        };
    });
}

function simpleCompare(a, b) {
    return a < b ? -1 : a === b ? 0 : 1;
}
function simpleCompareReverse(a, b) {
    return a > b ? -1 : a === b ? 0 : 1;
}

function fail(collectionOrWhereClause, err, T) {
    var collection = collectionOrWhereClause instanceof WhereClause ?
        new collectionOrWhereClause.Collection(collectionOrWhereClause) :
        collectionOrWhereClause;
    collection._ctx.error = T ? new T(err) : new TypeError(err);
    return collection;
}
function emptyCollection(whereClause) {
    return new whereClause.Collection(whereClause, function () { return rangeEqual(""); }).limit(0);
}
function upperFactory(dir) {
    return dir === "next" ?
        function (s) { return s.toUpperCase(); } :
        function (s) { return s.toLowerCase(); };
}
function lowerFactory(dir) {
    return dir === "next" ?
        function (s) { return s.toLowerCase(); } :
        function (s) { return s.toUpperCase(); };
}
function nextCasing(key, lowerKey, upperNeedle, lowerNeedle, cmp, dir) {
    var length = Math.min(key.length, lowerNeedle.length);
    var llp = -1;
    for (var i = 0; i < length; ++i) {
        var lwrKeyChar = lowerKey[i];
        if (lwrKeyChar !== lowerNeedle[i]) {
            if (cmp(key[i], upperNeedle[i]) < 0)
                return key.substr(0, i) + upperNeedle[i] + upperNeedle.substr(i + 1);
            if (cmp(key[i], lowerNeedle[i]) < 0)
                return key.substr(0, i) + lowerNeedle[i] + upperNeedle.substr(i + 1);
            if (llp >= 0)
                return key.substr(0, llp) + lowerKey[llp] + upperNeedle.substr(llp + 1);
            return null;
        }
        if (cmp(key[i], lwrKeyChar) < 0)
            llp = i;
    }
    if (length < lowerNeedle.length && dir === "next")
        return key + upperNeedle.substr(key.length);
    if (length < key.length && dir === "prev")
        return key.substr(0, upperNeedle.length);
    return (llp < 0 ? null : key.substr(0, llp) + lowerNeedle[llp] + upperNeedle.substr(llp + 1));
}
function addIgnoreCaseAlgorithm(whereClause, match, needles, suffix) {
    var upper, lower, compare, upperNeedles, lowerNeedles, direction, nextKeySuffix, needlesLen = needles.length;
    if (!needles.every(function (s) { return typeof s === 'string'; })) {
        return fail(whereClause, STRING_EXPECTED);
    }
    function initDirection(dir) {
        upper = upperFactory(dir);
        lower = lowerFactory(dir);
        compare = (dir === "next" ? simpleCompare : simpleCompareReverse);
        var needleBounds = needles.map(function (needle) {
            return { lower: lower(needle), upper: upper(needle) };
        }).sort(function (a, b) {
            return compare(a.lower, b.lower);
        });
        upperNeedles = needleBounds.map(function (nb) { return nb.upper; });
        lowerNeedles = needleBounds.map(function (nb) { return nb.lower; });
        direction = dir;
        nextKeySuffix = (dir === "next" ? "" : suffix);
    }
    initDirection("next");
    var c = new whereClause.Collection(whereClause, function () { return createRange(upperNeedles[0], lowerNeedles[needlesLen - 1] + suffix); });
    c._ondirectionchange = function (direction) {
        initDirection(direction);
    };
    var firstPossibleNeedle = 0;
    c._addAlgorithm(function (cursor, advance, resolve) {
        var key = cursor.key;
        if (typeof key !== 'string')
            return false;
        var lowerKey = lower(key);
        if (match(lowerKey, lowerNeedles, firstPossibleNeedle)) {
            return true;
        }
        else {
            var lowestPossibleCasing = null;
            for (var i = firstPossibleNeedle; i < needlesLen; ++i) {
                var casing = nextCasing(key, lowerKey, upperNeedles[i], lowerNeedles[i], compare, direction);
                if (casing === null && lowestPossibleCasing === null)
                    firstPossibleNeedle = i + 1;
                else if (lowestPossibleCasing === null || compare(lowestPossibleCasing, casing) > 0) {
                    lowestPossibleCasing = casing;
                }
            }
            if (lowestPossibleCasing !== null) {
                advance(function () { cursor.continue(lowestPossibleCasing + nextKeySuffix); });
            }
            else {
                advance(resolve);
            }
            return false;
        }
    });
    return c;
}
function createRange(lower, upper, lowerOpen, upperOpen) {
    return {
        type: 2            ,
        lower: lower,
        upper: upper,
        lowerOpen: lowerOpen,
        upperOpen: upperOpen
    };
}
function rangeEqual(value) {
    return {
        type: 1            ,
        lower: value,
        upper: value
    };
}

var WhereClause =               (function () {
    function WhereClause() {
    }
    Object.defineProperty(WhereClause.prototype, "Collection", {
        get: function () {
            return this._ctx.table.db.Collection;
        },
        enumerable: true,
        configurable: true
    });
    WhereClause.prototype.between = function (lower, upper, includeLower, includeUpper) {
        includeLower = includeLower !== false;
        includeUpper = includeUpper === true;
        try {
            if ((this._cmp(lower, upper) > 0) ||
                (this._cmp(lower, upper) === 0 && (includeLower || includeUpper) && !(includeLower && includeUpper)))
                return emptyCollection(this);
            return new this.Collection(this, function () { return createRange(lower, upper, !includeLower, !includeUpper); });
        }
        catch (e) {
            return fail(this, INVALID_KEY_ARGUMENT);
        }
    };
    WhereClause.prototype.equals = function (value) {
        return new this.Collection(this, function () { return rangeEqual(value); });
    };
    WhereClause.prototype.above = function (value) {
        if (value == null)
            return fail(this, INVALID_KEY_ARGUMENT);
        return new this.Collection(this, function () { return createRange(value, undefined, true); });
    };
    WhereClause.prototype.aboveOrEqual = function (value) {
        if (value == null)
            return fail(this, INVALID_KEY_ARGUMENT);
        return new this.Collection(this, function () { return createRange(value, undefined, false); });
    };
    WhereClause.prototype.below = function (value) {
        if (value == null)
            return fail(this, INVALID_KEY_ARGUMENT);
        return new this.Collection(this, function () { return createRange(undefined, value, false, true); });
    };
    WhereClause.prototype.belowOrEqual = function (value) {
        if (value == null)
            return fail(this, INVALID_KEY_ARGUMENT);
        return new this.Collection(this, function () { return createRange(undefined, value); });
    };
    WhereClause.prototype.startsWith = function (str) {
        if (typeof str !== 'string')
            return fail(this, STRING_EXPECTED);
        return this.between(str, str + maxString, true, true);
    };
    WhereClause.prototype.startsWithIgnoreCase = function (str) {
        if (str === "")
            return this.startsWith(str);
        return addIgnoreCaseAlgorithm(this, function (x, a) { return x.indexOf(a[0]) === 0; }, [str], maxString);
    };
    WhereClause.prototype.equalsIgnoreCase = function (str) {
        return addIgnoreCaseAlgorithm(this, function (x, a) { return x === a[0]; }, [str], "");
    };
    WhereClause.prototype.anyOfIgnoreCase = function () {
        var set = getArrayOf.apply(NO_CHAR_ARRAY, arguments);
        if (set.length === 0)
            return emptyCollection(this);
        return addIgnoreCaseAlgorithm(this, function (x, a) { return a.indexOf(x) !== -1; }, set, "");
    };
    WhereClause.prototype.startsWithAnyOfIgnoreCase = function () {
        var set = getArrayOf.apply(NO_CHAR_ARRAY, arguments);
        if (set.length === 0)
            return emptyCollection(this);
        return addIgnoreCaseAlgorithm(this, function (x, a) { return a.some(function (n) { return x.indexOf(n) === 0; }); }, set, maxString);
    };
    WhereClause.prototype.anyOf = function () {
        var _this = this;
        var set = getArrayOf.apply(NO_CHAR_ARRAY, arguments);
        var compare = this._cmp;
        try {
            set.sort(compare);
        }
        catch (e) {
            return fail(this, INVALID_KEY_ARGUMENT);
        }
        if (set.length === 0)
            return emptyCollection(this);
        var c = new this.Collection(this, function () { return createRange(set[0], set[set.length - 1]); });
        c._ondirectionchange = function (direction) {
            compare = (direction === "next" ?
                _this._ascending :
                _this._descending);
            set.sort(compare);
        };
        var i = 0;
        c._addAlgorithm(function (cursor, advance, resolve) {
            var key = cursor.key;
            while (compare(key, set[i]) > 0) {
                ++i;
                if (i === set.length) {
                    advance(resolve);
                    return false;
                }
            }
            if (compare(key, set[i]) === 0) {
                return true;
            }
            else {
                advance(function () { cursor.continue(set[i]); });
                return false;
            }
        });
        return c;
    };
    WhereClause.prototype.notEqual = function (value) {
        return this.inAnyRange([[minKey, value], [value, this.db._maxKey]], { includeLowers: false, includeUppers: false });
    };
    WhereClause.prototype.noneOf = function () {
        var set = getArrayOf.apply(NO_CHAR_ARRAY, arguments);
        if (set.length === 0)
            return new this.Collection(this);
        try {
            set.sort(this._ascending);
        }
        catch (e) {
            return fail(this, INVALID_KEY_ARGUMENT);
        }
        var ranges = set.reduce(function (res, val) { return res ?
            res.concat([[res[res.length - 1][1], val]]) :
            [[minKey, val]]; }, null);
        ranges.push([set[set.length - 1], this.db._maxKey]);
        return this.inAnyRange(ranges, { includeLowers: false, includeUppers: false });
    };
    WhereClause.prototype.inAnyRange = function (ranges, options) {
        var _this = this;
        var cmp = this._cmp, ascending = this._ascending, descending = this._descending, min = this._min, max = this._max;
        if (ranges.length === 0)
            return emptyCollection(this);
        if (!ranges.every(function (range) {
            return range[0] !== undefined &&
                range[1] !== undefined &&
                ascending(range[0], range[1]) <= 0;
        })) {
            return fail(this, "First argument to inAnyRange() must be an Array of two-value Arrays [lower,upper] where upper must not be lower than lower", exceptions.InvalidArgument);
        }
        var includeLowers = !options || options.includeLowers !== false;
        var includeUppers = options && options.includeUppers === true;
        function addRange(ranges, newRange) {
            var i = 0, l = ranges.length;
            for (; i < l; ++i) {
                var range = ranges[i];
                if (cmp(newRange[0], range[1]) < 0 && cmp(newRange[1], range[0]) > 0) {
                    range[0] = min(range[0], newRange[0]);
                    range[1] = max(range[1], newRange[1]);
                    break;
                }
            }
            if (i === l)
                ranges.push(newRange);
            return ranges;
        }
        var sortDirection = ascending;
        function rangeSorter(a, b) { return sortDirection(a[0], b[0]); }
        var set;
        try {
            set = ranges.reduce(addRange, []);
            set.sort(rangeSorter);
        }
        catch (ex) {
            return fail(this, INVALID_KEY_ARGUMENT);
        }
        var rangePos = 0;
        var keyIsBeyondCurrentEntry = includeUppers ?
            function (key) { return ascending(key, set[rangePos][1]) > 0; } :
            function (key) { return ascending(key, set[rangePos][1]) >= 0; };
        var keyIsBeforeCurrentEntry = includeLowers ?
            function (key) { return descending(key, set[rangePos][0]) > 0; } :
            function (key) { return descending(key, set[rangePos][0]) >= 0; };
        function keyWithinCurrentRange(key) {
            return !keyIsBeyondCurrentEntry(key) && !keyIsBeforeCurrentEntry(key);
        }
        var checkKey = keyIsBeyondCurrentEntry;
        var c = new this.Collection(this, function () { return createRange(set[0][0], set[set.length - 1][1], !includeLowers, !includeUppers); });
        c._ondirectionchange = function (direction) {
            if (direction === "next") {
                checkKey = keyIsBeyondCurrentEntry;
                sortDirection = ascending;
            }
            else {
                checkKey = keyIsBeforeCurrentEntry;
                sortDirection = descending;
            }
            set.sort(rangeSorter);
        };
        c._addAlgorithm(function (cursor, advance, resolve) {
            var key = cursor.key;
            while (checkKey(key)) {
                ++rangePos;
                if (rangePos === set.length) {
                    advance(resolve);
                    return false;
                }
            }
            if (keyWithinCurrentRange(key)) {
                return true;
            }
            else if (_this._cmp(key, set[rangePos][1]) === 0 || _this._cmp(key, set[rangePos][0]) === 0) {
                return false;
            }
            else {
                advance(function () {
                    if (sortDirection === ascending)
                        cursor.continue(set[rangePos][0]);
                    else
                        cursor.continue(set[rangePos][1]);
                });
                return false;
            }
        });
        return c;
    };
    WhereClause.prototype.startsWithAnyOf = function () {
        var set = getArrayOf.apply(NO_CHAR_ARRAY, arguments);
        if (!set.every(function (s) { return typeof s === 'string'; })) {
            return fail(this, "startsWithAnyOf() only works with strings");
        }
        if (set.length === 0)
            return emptyCollection(this);
        return this.inAnyRange(set.map(function (str) { return [str, str + maxString]; }));
    };
    return WhereClause;
}());

function createWhereClauseConstructor(db) {
    return makeClassConstructor(WhereClause.prototype, function WhereClause$$1(table, index, orCollection) {
        this.db = db;
        this._ctx = {
            table: table,
            index: index === ":id" ? null : index,
            or: orCollection
        };
        var indexedDB = db._deps.indexedDB;
        if (!indexedDB)
            throw new exceptions.MissingAPI("indexedDB API missing");
        this._cmp = this._ascending = indexedDB.cmp.bind(indexedDB);
        this._descending = function (a, b) { return indexedDB.cmp(b, a); };
        this._max = function (a, b) { return indexedDB.cmp(a, b) > 0 ? a : b; };
        this._min = function (a, b) { return indexedDB.cmp(a, b) < 0 ? a : b; };
        this._IDBKeyRange = db._deps.IDBKeyRange;
    });
}

function safariMultiStoreFix(storeNames) {
    return storeNames.length === 1 ? storeNames[0] : storeNames;
}

function getMaxKey(IdbKeyRange) {
    try {
        IdbKeyRange.only([[]]);
        return [[]];
    }
    catch (e) {
        return maxString;
    }
}

function eventRejectHandler(reject) {
    return wrap(function (event) {
        preventDefault(event);
        reject(event.target.error);
        return false;
    });
}



function preventDefault(event) {
    if (event.stopPropagation)
        event.stopPropagation();
    if (event.preventDefault)
        event.preventDefault();
}

var Transaction =               (function () {
    function Transaction() {
    }
    Transaction.prototype._lock = function () {
        assert(!PSD.global);
        ++this._reculock;
        if (this._reculock === 1 && !PSD.global)
            PSD.lockOwnerFor = this;
        return this;
    };
    Transaction.prototype._unlock = function () {
        assert(!PSD.global);
        if (--this._reculock === 0) {
            if (!PSD.global)
                PSD.lockOwnerFor = null;
            while (this._blockedFuncs.length > 0 && !this._locked()) {
                var fnAndPSD = this._blockedFuncs.shift();
                try {
                    usePSD(fnAndPSD[1], fnAndPSD[0]);
                }
                catch (e) { }
            }
        }
        return this;
    };
    Transaction.prototype._locked = function () {
        return this._reculock && PSD.lockOwnerFor !== this;
    };
    Transaction.prototype.create = function (idbtrans) {
        var _this = this;
        if (!this.mode)
            return this;
        var idbdb = this.db.idbdb;
        var dbOpenError = this.db._state.dbOpenError;
        assert(!this.idbtrans);
        if (!idbtrans && !idbdb) {
            switch (dbOpenError && dbOpenError.name) {
                case "DatabaseClosedError":
                    throw new exceptions.DatabaseClosed(dbOpenError);
                case "MissingAPIError":
                    throw new exceptions.MissingAPI(dbOpenError.message, dbOpenError);
                default:
                    throw new exceptions.OpenFailed(dbOpenError);
            }
        }
        if (!this.active)
            throw new exceptions.TransactionInactive();
        assert(this._completion._state === null);
        idbtrans = this.idbtrans = idbtrans || idbdb.transaction(safariMultiStoreFix(this.storeNames), this.mode);
        idbtrans.onerror = wrap(function (ev) {
            preventDefault(ev);
            _this._reject(idbtrans.error);
        });
        idbtrans.onabort = wrap(function (ev) {
            preventDefault(ev);
            _this.active && _this._reject(new exceptions.Abort(idbtrans.error));
            _this.active = false;
            _this.on("abort").fire(ev);
        });
        idbtrans.oncomplete = wrap(function () {
            _this.active = false;
            _this._resolve();
        });
        return this;
    };
    Transaction.prototype._promise = function (mode, fn, bWriteLock) {
        var _this = this;
        if (mode === 'readwrite' && this.mode !== 'readwrite')
            return rejection(new exceptions.ReadOnly("Transaction is readonly"));
        if (!this.active)
            return rejection(new exceptions.TransactionInactive());
        if (this._locked()) {
            return new DexiePromise(function (resolve, reject) {
                _this._blockedFuncs.push([function () {
                        _this._promise(mode, fn, bWriteLock).then(resolve, reject);
                    }, PSD]);
            });
        }
        else if (bWriteLock) {
            return newScope(function () {
                var p = new DexiePromise(function (resolve, reject) {
                    _this._lock();
                    var rv = fn(resolve, reject, _this);
                    if (rv && rv.then)
                        rv.then(resolve, reject);
                });
                p.finally(function () { return _this._unlock(); });
                p._lib = true;
                return p;
            });
        }
        else {
            var p = new DexiePromise(function (resolve, reject) {
                var rv = fn(resolve, reject, _this);
                if (rv && rv.then)
                    rv.then(resolve, reject);
            });
            p._lib = true;
            return p;
        }
    };
    Transaction.prototype._root = function () {
        return this.parent ? this.parent._root() : this;
    };
    Transaction.prototype.waitFor = function (promiseLike) {
        var root = this._root();
        var promise = DexiePromise.resolve(promiseLike);
        if (root._waitingFor) {
            root._waitingFor = root._waitingFor.then(function () { return promise; });
        }
        else {
            root._waitingFor = promise;
            root._waitingQueue = [];
            var store = root.idbtrans.objectStore(root.storeNames[0]);
            (function spin() {
                ++root._spinCount;
                while (root._waitingQueue.length)
                    (root._waitingQueue.shift())();
                if (root._waitingFor)
                    store.get(-Infinity).onsuccess = spin;
            }());
        }
        var currentWaitPromise = root._waitingFor;
        return new DexiePromise(function (resolve, reject) {
            promise.then(function (res) { return root._waitingQueue.push(wrap(resolve.bind(null, res))); }, function (err) { return root._waitingQueue.push(wrap(reject.bind(null, err))); }).finally(function () {
                if (root._waitingFor === currentWaitPromise) {
                    root._waitingFor = null;
                }
            });
        });
    };
    Transaction.prototype.abort = function () {
        this.active && this._reject(new exceptions.Abort());
        this.active = false;
    };
    Transaction.prototype.table = function (tableName) {
        var memoizedTables = (this._memoizedTables || (this._memoizedTables = {}));
        if (hasOwn(memoizedTables, tableName))
            return memoizedTables[tableName];
        var tableSchema = this.schema[tableName];
        if (!tableSchema) {
            throw new exceptions.NotFound("Table " + tableName + " not part of transaction");
        }
        var transactionBoundTable = new this.db.Table(tableName, tableSchema, this);
        transactionBoundTable.core = this.db.core.table(tableName);
        memoizedTables[tableName] = transactionBoundTable;
        return transactionBoundTable;
    };
    return Transaction;
}());

function createTransactionConstructor(db) {
    return makeClassConstructor(Transaction.prototype, function Transaction$$1(mode, storeNames, dbschema, parent) {
        var _this = this;
        this.db = db;
        this.mode = mode;
        this.storeNames = storeNames;
        this.schema = dbschema;
        this.idbtrans = null;
        this.on = Events(this, "complete", "error", "abort");
        this.parent = parent || null;
        this.active = true;
        this._reculock = 0;
        this._blockedFuncs = [];
        this._resolve = null;
        this._reject = null;
        this._waitingFor = null;
        this._waitingQueue = null;
        this._spinCount = 0;
        this._completion = new DexiePromise(function (resolve, reject) {
            _this._resolve = resolve;
            _this._reject = reject;
        });
        this._completion.then(function () {
            _this.active = false;
            _this.on.complete.fire();
        }, function (e) {
            var wasActive = _this.active;
            _this.active = false;
            _this.on.error.fire(e);
            _this.parent ?
                _this.parent._reject(e) :
                wasActive && _this.idbtrans && _this.idbtrans.abort();
            return rejection(e);
        });
    });
}

function createIndexSpec(name, keyPath, unique, multi, auto, compound, isPrimKey) {
    return {
        name: name,
        keyPath: keyPath,
        unique: unique,
        multi: multi,
        auto: auto,
        compound: compound,
        src: (unique && !isPrimKey ? '&' : '') + (multi ? '*' : '') + (auto ? "++" : "") + nameFromKeyPath(keyPath)
    };
}
function nameFromKeyPath(keyPath) {
    return typeof keyPath === 'string' ?
        keyPath :
        keyPath ? ('[' + [].join.call(keyPath, '+') + ']') : "";
}

function createTableSchema(name, primKey, indexes) {
    return {
        name: name,
        primKey: primKey,
        indexes: indexes,
        mappedClass: null,
        idxByName: arrayToObject(indexes, function (index) { return [index.name, index]; })
    };
}

function getKeyExtractor(keyPath) {
    if (keyPath == null) {
        return function () { return undefined; };
    }
    else if (typeof keyPath === 'string') {
        return getSinglePathKeyExtractor(keyPath);
    }
    else {
        return function (obj) { return getByKeyPath(obj, keyPath); };
    }
}
function getSinglePathKeyExtractor(keyPath) {
    var split = keyPath.split('.');
    if (split.length === 1) {
        return function (obj) { return obj[keyPath]; };
    }
    else {
        return function (obj) { return getByKeyPath(obj, keyPath); };
    }
}

function getEffectiveKeys(primaryKey, req) {
    if (req.type === 'delete')
        return req.keys;
    return req.keys || req.values.map(primaryKey.extractKey);
}
function getExistingValues(table, req, effectiveKeys) {
    return req.type === 'add' ? Promise.resolve(new Array(req.values.length)) :
        table.getMany({ trans: req.trans, keys: effectiveKeys });
}

function arrayify(arrayLike) {
    return [].slice.call(arrayLike);
}

var _id_counter = 0;
function getKeyPathAlias(keyPath) {
    return keyPath == null ?
        ":id" :
        typeof keyPath === 'string' ?
            keyPath :
            "[" + keyPath.join('+') + "]";
}
function createDBCore(db, indexedDB, IdbKeyRange, tmpTrans) {
    var cmp = indexedDB.cmp.bind(indexedDB);
    function extractSchema(db, trans) {
        var tables = arrayify(db.objectStoreNames);
        return {
            schema: {
                name: db.name,
                tables: tables.map(function (table) { return trans.objectStore(table); }).map(function (store) {
                    var keyPath = store.keyPath, autoIncrement = store.autoIncrement;
                    var compound = isArray(keyPath);
                    var outbound = keyPath == null;
                    var indexByKeyPath = {};
                    var result = {
                        name: store.name,
                        primaryKey: {
                            name: null,
                            isPrimaryKey: true,
                            outbound: outbound,
                            compound: compound,
                            keyPath: keyPath,
                            autoIncrement: autoIncrement,
                            unique: true,
                            extractKey: getKeyExtractor(keyPath)
                        },
                        indexes: arrayify(store.indexNames).map(function (indexName) { return store.index(indexName); })
                            .map(function (index) {
                            var name = index.name, unique = index.unique, multiEntry = index.multiEntry, keyPath = index.keyPath;
                            var compound = isArray(keyPath);
                            var result = {
                                name: name,
                                compound: compound,
                                keyPath: keyPath,
                                unique: unique,
                                multiEntry: multiEntry,
                                extractKey: getKeyExtractor(keyPath)
                            };
                            indexByKeyPath[getKeyPathAlias(keyPath)] = result;
                            return result;
                        }),
                        getIndexByKeyPath: function (keyPath) { return indexByKeyPath[getKeyPathAlias(keyPath)]; }
                    };
                    indexByKeyPath[":id"] = result.primaryKey;
                    if (keyPath != null) {
                        indexByKeyPath[getKeyPathAlias(keyPath)] = result.primaryKey;
                    }
                    return result;
                })
            },
            hasGetAll: tables.length > 0 && ('getAll' in trans.objectStore(tables[0])) &&
                !(typeof navigator !== 'undefined' && /Safari/.test(navigator.userAgent) &&
                    !/(Chrome\/|Edge\/)/.test(navigator.userAgent) &&
                    [].concat(navigator.userAgent.match(/Safari\/(\d*)/))[1] < 604)
        };
    }
    function makeIDBKeyRange(range) {
        if (range.type === 3          )
            return null;
        if (range.type === 4            )
            throw new Error("Cannot convert never type to IDBKeyRange");
        var lower = range.lower, upper = range.upper, lowerOpen = range.lowerOpen, upperOpen = range.upperOpen;
        var idbRange = lower === undefined ?
            upper === undefined ?
                null :
                IdbKeyRange.upperBound(upper, !!upperOpen) :
            upper === undefined ?
                IdbKeyRange.lowerBound(lower, !!lowerOpen) :
                IdbKeyRange.bound(lower, upper, !!lowerOpen, !!upperOpen);
        return idbRange;
    }
    function createDbCoreTable(tableSchema) {
        var tableName = tableSchema.name;
        function mutate(_a) {
            var trans = _a.trans, type = _a.type, keys$$1 = _a.keys, values = _a.values, range = _a.range, wantResults = _a.wantResults;
            return new Promise(function (resolve, reject) {
                resolve = wrap(resolve);
                var store = trans.objectStore(tableName);
                var outbound = store.keyPath == null;
                var isAddOrPut = type === "put" || type === "add";
                if (!isAddOrPut && type !== 'delete' && type !== 'deleteRange')
                    throw new Error("Invalid operation type: " + type);
                var length = (keys$$1 || values || { length: 1 }).length;
                if (keys$$1 && values && keys$$1.length !== values.length) {
                    throw new Error("Given keys array must have same length as given values array.");
                }
                if (length === 0)
                    return resolve({ numFailures: 0, failures: {}, results: [], lastResult: undefined });
                var results = wantResults && __spreadArrays((keys$$1 ?
                    keys$$1 :
                    getEffectiveKeys(tableSchema.primaryKey, { type: type, keys: keys$$1, values: values })));
                var req;
                var failures = [];
                var numFailures = 0;
                var errorHandler = function (event) {
                    ++numFailures;
                    preventDefault(event);
                    if (results)
                        results[event.target._reqno] = undefined;
                    failures[event.target._reqno] = event.target.error;
                };
                var setResult = function (_a) {
                    var target = _a.target;
                    results[target._reqno] = target.result;
                };
                if (type === 'deleteRange') {
                    if (range.type === 4            )
                        return resolve({ numFailures: numFailures, failures: failures, results: results, lastResult: undefined });
                    if (range.type === 3          )
                        req = store.clear();
                    else
                        req = store.delete(makeIDBKeyRange(range));
                }
                else {
                    var _a = isAddOrPut ?
                        outbound ?
                            [values, keys$$1] :
                            [values, null] :
                        [keys$$1, null], args1 = _a[0], args2 = _a[1];
                    if (isAddOrPut) {
                        for (var i = 0; i < length; ++i) {
                            req = (args2 && args2[i] !== undefined ?
                                store[type](args1[i], args2[i]) :
                                store[type](args1[i]));
                            req._reqno = i;
                            if (results && results[i] === undefined) {
                                req.onsuccess = setResult;
                            }
                            req.onerror = errorHandler;
                        }
                    }
                    else {
                        for (var i = 0; i < length; ++i) {
                            req = store[type](args1[i]);
                            req._reqno = i;
                            req.onerror = errorHandler;
                        }
                    }
                }
                var done = function (event) {
                    var lastResult = event.target.result;
                    if (results)
                        results[length - 1] = lastResult;
                    resolve({
                        numFailures: numFailures,
                        failures: failures,
                        results: results,
                        lastResult: lastResult
                    });
                };
                req.onerror = function (event) {
                    errorHandler(event);
                    done(event);
                };
                req.onsuccess = done;
            });
        }
        function openCursor(_a) {
            var trans = _a.trans, values = _a.values, query = _a.query, reverse = _a.reverse, unique = _a.unique;
            return new Promise(function (resolve, reject) {
                resolve = wrap(resolve);
                var index = query.index, range = query.range;
                var store = trans.objectStore(tableName);
                var source = index.isPrimaryKey ?
                    store :
                    store.index(index.name);
                var direction = reverse ?
                    unique ?
                        "prevunique" :
                        "prev" :
                    unique ?
                        "nextunique" :
                        "next";
                var req = values || !('openKeyCursor' in source) ?
                    source.openCursor(makeIDBKeyRange(range), direction) :
                    source.openKeyCursor(makeIDBKeyRange(range), direction);
                req.onerror = eventRejectHandler(reject);
                req.onsuccess = wrap(function (ev) {
                    var cursor = req.result;
                    if (!cursor) {
                        resolve(null);
                        return;
                    }
                    cursor.___id = ++_id_counter;
                    cursor.done = false;
                    var _cursorContinue = cursor.continue.bind(cursor);
                    var _cursorContinuePrimaryKey = cursor.continuePrimaryKey;
                    if (_cursorContinuePrimaryKey)
                        _cursorContinuePrimaryKey = _cursorContinuePrimaryKey.bind(cursor);
                    var _cursorAdvance = cursor.advance.bind(cursor);
                    var doThrowCursorIsNotStarted = function () { throw new Error("Cursor not started"); };
                    var doThrowCursorIsStopped = function () { throw new Error("Cursor not stopped"); };
                    cursor.trans = trans;
                    cursor.stop = cursor.continue = cursor.continuePrimaryKey = cursor.advance = doThrowCursorIsNotStarted;
                    cursor.fail = wrap(reject);
                    cursor.next = function () {
                        var _this = this;
                        var gotOne = 1;
                        return this.start(function () { return gotOne-- ? _this.continue() : _this.stop(); }).then(function () { return _this; });
                    };
                    cursor.start = function (callback) {
                        var iterationPromise = new Promise(function (resolveIteration, rejectIteration) {
                            resolveIteration = wrap(resolveIteration);
                            req.onerror = eventRejectHandler(rejectIteration);
                            cursor.fail = rejectIteration;
                            cursor.stop = function (value) {
                                cursor.stop = cursor.continue = cursor.continuePrimaryKey = cursor.advance = doThrowCursorIsStopped;
                                resolveIteration(value);
                            };
                        });
                        var guardedCallback = function () {
                            if (req.result) {
                                try {
                                    callback();
                                }
                                catch (err) {
                                    cursor.fail(err);
                                }
                            }
                            else {
                                cursor.done = true;
                                cursor.start = function () { throw new Error("Cursor behind last entry"); };
                                cursor.stop();
                            }
                        };
                        req.onsuccess = wrap(function (ev) {
                            req.onsuccess = guardedCallback;
                            guardedCallback();
                        });
                        cursor.continue = _cursorContinue;
                        cursor.continuePrimaryKey = _cursorContinuePrimaryKey;
                        cursor.advance = _cursorAdvance;
                        guardedCallback();
                        return iterationPromise;
                    };
                    resolve(cursor);
                }, reject);
            });
        }
        function query(hasGetAll) {
            return function (request) {
                return new Promise(function (resolve, reject) {
                    resolve = wrap(resolve);
                    var trans = request.trans, values = request.values, limit = request.limit, query = request.query;
                    var nonInfinitLimit = limit === Infinity ? undefined : limit;
                    var index = query.index, range = query.range;
                    var store = trans.objectStore(tableName);
                    var source = index.isPrimaryKey ? store : store.index(index.name);
                    var idbKeyRange = makeIDBKeyRange(range);
                    if (limit === 0)
                        return resolve({ result: [] });
                    if (hasGetAll) {
                        var req = values ?
                            source.getAll(idbKeyRange, nonInfinitLimit) :
                            source.getAllKeys(idbKeyRange, nonInfinitLimit);
                        req.onsuccess = function (event) { return resolve({ result: event.target.result }); };
                        req.onerror = eventRejectHandler(reject);
                    }
                    else {
                        var count_1 = 0;
                        var req_1 = values || !('openKeyCursor' in source) ?
                            source.openCursor(idbKeyRange) :
                            source.openKeyCursor(idbKeyRange);
                        var result_1 = [];
                        req_1.onsuccess = function (event) {
                            var cursor = req_1.result;
                            if (!cursor)
                                return resolve({ result: result_1 });
                            result_1.push(values ? cursor.value : cursor.primaryKey);
                            if (++count_1 === limit)
                                return resolve({ result: result_1 });
                            cursor.continue();
                        };
                        req_1.onerror = eventRejectHandler(reject);
                    }
                });
            };
        }
        return {
            name: tableName,
            schema: tableSchema,
            mutate: mutate,
            getMany: function (_a) {
                var trans = _a.trans, keys$$1 = _a.keys;
                return new Promise(function (resolve, reject) {
                    resolve = wrap(resolve);
                    var store = trans.objectStore(tableName);
                    var length = keys$$1.length;
                    var result = new Array(length);
                    var keyCount = 0;
                    var callbackCount = 0;
                    var valueCount = 0;
                    var req;
                    var successHandler = function (event) {
                        var req = event.target;
                        if ((result[req._pos] = req.result) != null)
                            ++valueCount;
                        if (++callbackCount === keyCount)
                            resolve(result);
                    };
                    var errorHandler = eventRejectHandler(reject);
                    for (var i = 0; i < length; ++i) {
                        var key = keys$$1[i];
                        if (key != null) {
                            req = store.get(keys$$1[i]);
                            req._pos = i;
                            req.onsuccess = successHandler;
                            req.onerror = errorHandler;
                            ++keyCount;
                        }
                    }
                    if (keyCount === 0)
                        resolve(result);
                });
            },
            get: function (_a) {
                var trans = _a.trans, key = _a.key;
                return new Promise(function (resolve, reject) {
                    resolve = wrap(resolve);
                    var store = trans.objectStore(tableName);
                    var req = store.get(key);
                    req.onsuccess = function (event) { return resolve(event.target.result); };
                    req.onerror = eventRejectHandler(reject);
                });
            },
            query: query(hasGetAll),
            openCursor: openCursor,
            count: function (_a) {
                var query = _a.query, trans = _a.trans;
                var index = query.index, range = query.range;
                return new Promise(function (resolve, reject) {
                    var store = trans.objectStore(tableName);
                    var source = index.isPrimaryKey ? store : store.index(index.name);
                    var idbKeyRange = makeIDBKeyRange(range);
                    var req = idbKeyRange ? source.count(idbKeyRange) : source.count();
                    req.onsuccess = wrap(function (ev) { return resolve(ev.target.result); });
                    req.onerror = eventRejectHandler(reject);
                });
            }
        };
    }
    var _a = extractSchema(db, tmpTrans), schema = _a.schema, hasGetAll = _a.hasGetAll;
    var tables = schema.tables.map(function (tableSchema) { return createDbCoreTable(tableSchema); });
    var tableMap = {};
    tables.forEach(function (table) { return tableMap[table.name] = table; });
    return {
        stack: "dbcore",
        transaction: db.transaction.bind(db),
        table: function (name) {
            var result = tableMap[name];
            if (!result)
                throw new Error("Table '" + name + "' not found");
            return tableMap[name];
        },
        cmp: cmp,
        MIN_KEY: -Infinity,
        MAX_KEY: getMaxKey(IdbKeyRange),
        schema: schema
    };
}

function createMiddlewareStack(stackImpl, middlewares) {
    return middlewares.reduce(function (down, _a) {
        var create = _a.create;
        return (__assign(__assign({}, down), create(down)));
    }, stackImpl);
}
function createMiddlewareStacks(middlewares, idbdb, _a, tmpTrans) {
    var IDBKeyRange = _a.IDBKeyRange, indexedDB = _a.indexedDB;
    var dbcore = createMiddlewareStack(createDBCore(idbdb, indexedDB, IDBKeyRange, tmpTrans), middlewares.dbcore);
    return {
        dbcore: dbcore
    };
}
function generateMiddlewareStacks(db, tmpTrans) {
    var idbdb = tmpTrans.db;
    var stacks = createMiddlewareStacks(db._middlewares, idbdb, db._deps, tmpTrans);
    db.core = stacks.dbcore;
    db.tables.forEach(function (table) {
        var tableName = table.name;
        if (db.core.schema.tables.some(function (tbl) { return tbl.name === tableName; })) {
            table.core = db.core.table(tableName);
            if (db[tableName] instanceof db.Table) {
                db[tableName].core = table.core;
            }
        }
    });
}

function setApiOnPlace(db, objs, tableNames, dbschema) {
    tableNames.forEach(function (tableName) {
        var schema = dbschema[tableName];
        objs.forEach(function (obj) {
            if (!(tableName in obj)) {
                if (obj === db.Transaction.prototype || obj instanceof db.Transaction) {
                    setProp(obj, tableName, {
                        get: function () { return this.table(tableName); },
                        set: function (value) {
                            defineProperty(this, tableName, { value: value, writable: true, configurable: true, enumerable: true });
                        }
                    });
                }
                else {
                    obj[tableName] = new db.Table(tableName, schema);
                }
            }
        });
    });
}
function removeTablesApi(db, objs) {
    objs.forEach(function (obj) {
        for (var key in obj) {
            if (obj[key] instanceof db.Table)
                delete obj[key];
        }
    });
}
function lowerVersionFirst(a, b) {
    return a._cfg.version - b._cfg.version;
}
function runUpgraders(db, oldVersion, idbUpgradeTrans, reject) {
    var globalSchema = db._dbSchema;
    var trans = db._createTransaction('readwrite', db._storeNames, globalSchema);
    trans.create(idbUpgradeTrans);
    trans._completion.catch(reject);
    var rejectTransaction = trans._reject.bind(trans);
    var transless = PSD.transless || PSD;
    newScope(function () {
        PSD.trans = trans;
        PSD.transless = transless;
        if (oldVersion === 0) {
            keys(globalSchema).forEach(function (tableName) {
                createTable(idbUpgradeTrans, tableName, globalSchema[tableName].primKey, globalSchema[tableName].indexes);
            });
            generateMiddlewareStacks(db, idbUpgradeTrans);
            DexiePromise.follow(function () { return db.on.populate.fire(trans); }).catch(rejectTransaction);
        }
        else
            updateTablesAndIndexes(db, oldVersion, trans, idbUpgradeTrans).catch(rejectTransaction);
    });
}
function updateTablesAndIndexes(db, oldVersion, trans, idbUpgradeTrans) {
    var queue = [];
    var versions = db._versions;
    var globalSchema = db._dbSchema = buildGlobalSchema(db, db.idbdb, idbUpgradeTrans);
    var anyContentUpgraderHasRun = false;
    var versToRun = versions.filter(function (v) { return v._cfg.version >= oldVersion; });
    versToRun.forEach(function (version) {
        queue.push(function () {
            var oldSchema = globalSchema;
            var newSchema = version._cfg.dbschema;
            adjustToExistingIndexNames(db, oldSchema, idbUpgradeTrans);
            adjustToExistingIndexNames(db, newSchema, idbUpgradeTrans);
            globalSchema = db._dbSchema = newSchema;
            var diff = getSchemaDiff(oldSchema, newSchema);
            diff.add.forEach(function (tuple) {
                createTable(idbUpgradeTrans, tuple[0], tuple[1].primKey, tuple[1].indexes);
            });
            diff.change.forEach(function (change) {
                if (change.recreate) {
                    throw new exceptions.Upgrade("Not yet support for changing primary key");
                }
                else {
                    var store_1 = idbUpgradeTrans.objectStore(change.name);
                    change.add.forEach(function (idx) { return addIndex(store_1, idx); });
                    change.change.forEach(function (idx) {
                        store_1.deleteIndex(idx.name);
                        addIndex(store_1, idx);
                    });
                    change.del.forEach(function (idxName) { return store_1.deleteIndex(idxName); });
                }
            });
            var contentUpgrade = version._cfg.contentUpgrade;
            if (contentUpgrade && version._cfg.version > oldVersion) {
                generateMiddlewareStacks(db, idbUpgradeTrans);
                anyContentUpgraderHasRun = true;
                var upgradeSchema_1 = shallowClone(newSchema);
                diff.del.forEach(function (table) {
                    upgradeSchema_1[table] = oldSchema[table];
                });
                removeTablesApi(db, [db.Transaction.prototype]);
                setApiOnPlace(db, [db.Transaction.prototype], keys(upgradeSchema_1), upgradeSchema_1);
                trans.schema = upgradeSchema_1;
                var contentUpgradeIsAsync_1 = isAsyncFunction(contentUpgrade);
                if (contentUpgradeIsAsync_1) {
                    incrementExpectedAwaits();
                }
                var returnValue_1;
                var promiseFollowed = DexiePromise.follow(function () {
                    returnValue_1 = contentUpgrade(trans);
                    if (returnValue_1) {
                        if (contentUpgradeIsAsync_1) {
                            var decrementor = decrementExpectedAwaits.bind(null, null);
                            returnValue_1.then(decrementor, decrementor);
                        }
                    }
                });
                return (returnValue_1 && typeof returnValue_1.then === 'function' ?
                    DexiePromise.resolve(returnValue_1) : promiseFollowed.then(function () { return returnValue_1; }));
            }
        });
        queue.push(function (idbtrans) {
            if (!anyContentUpgraderHasRun || !hasIEDeleteObjectStoreBug) {
                var newSchema = version._cfg.dbschema;
                deleteRemovedTables(newSchema, idbtrans);
            }
            removeTablesApi(db, [db.Transaction.prototype]);
            setApiOnPlace(db, [db.Transaction.prototype], db._storeNames, db._dbSchema);
            trans.schema = db._dbSchema;
        });
    });
    function runQueue() {
        return queue.length ? DexiePromise.resolve(queue.shift()(trans.idbtrans)).then(runQueue) :
            DexiePromise.resolve();
    }
    return runQueue().then(function () {
        createMissingTables(globalSchema, idbUpgradeTrans);
    });
}
function getSchemaDiff(oldSchema, newSchema) {
    var diff = {
        del: [],
        add: [],
        change: []
    };
    var table;
    for (table in oldSchema) {
        if (!newSchema[table])
            diff.del.push(table);
    }
    for (table in newSchema) {
        var oldDef = oldSchema[table], newDef = newSchema[table];
        if (!oldDef) {
            diff.add.push([table, newDef]);
        }
        else {
            var change = {
                name: table,
                def: newDef,
                recreate: false,
                del: [],
                add: [],
                change: []
            };
            if (oldDef.primKey.src !== newDef.primKey.src &&
                !isIEOrEdge
            ) {
                change.recreate = true;
                diff.change.push(change);
            }
            else {
                var oldIndexes = oldDef.idxByName;
                var newIndexes = newDef.idxByName;
                var idxName = void 0;
                for (idxName in oldIndexes) {
                    if (!newIndexes[idxName])
                        change.del.push(idxName);
                }
                for (idxName in newIndexes) {
                    var oldIdx = oldIndexes[idxName], newIdx = newIndexes[idxName];
                    if (!oldIdx)
                        change.add.push(newIdx);
                    else if (oldIdx.src !== newIdx.src)
                        change.change.push(newIdx);
                }
                if (change.del.length > 0 || change.add.length > 0 || change.change.length > 0) {
                    diff.change.push(change);
                }
            }
        }
    }
    return diff;
}
function createTable(idbtrans, tableName, primKey, indexes) {
    var store = idbtrans.db.createObjectStore(tableName, primKey.keyPath ?
        { keyPath: primKey.keyPath, autoIncrement: primKey.auto } :
        { autoIncrement: primKey.auto });
    indexes.forEach(function (idx) { return addIndex(store, idx); });
    return store;
}
function createMissingTables(newSchema, idbtrans) {
    keys(newSchema).forEach(function (tableName) {
        if (!idbtrans.db.objectStoreNames.contains(tableName)) {
            createTable(idbtrans, tableName, newSchema[tableName].primKey, newSchema[tableName].indexes);
        }
    });
}
function deleteRemovedTables(newSchema, idbtrans) {
    for (var i = 0; i < idbtrans.db.objectStoreNames.length; ++i) {
        var storeName = idbtrans.db.objectStoreNames[i];
        if (newSchema[storeName] == null) {
            idbtrans.db.deleteObjectStore(storeName);
        }
    }
}
function addIndex(store, idx) {
    store.createIndex(idx.name, idx.keyPath, { unique: idx.unique, multiEntry: idx.multi });
}
function buildGlobalSchema(db, idbdb, tmpTrans) {
    var globalSchema = {};
    var dbStoreNames = slice(idbdb.objectStoreNames, 0);
    dbStoreNames.forEach(function (storeName) {
        var store = tmpTrans.objectStore(storeName);
        var keyPath = store.keyPath;
        var primKey = createIndexSpec(nameFromKeyPath(keyPath), keyPath || "", false, false, !!store.autoIncrement, keyPath && typeof keyPath !== "string", true);
        var indexes = [];
        for (var j = 0; j < store.indexNames.length; ++j) {
            var idbindex = store.index(store.indexNames[j]);
            keyPath = idbindex.keyPath;
            var index = createIndexSpec(idbindex.name, keyPath, !!idbindex.unique, !!idbindex.multiEntry, false, keyPath && typeof keyPath !== "string", false);
            indexes.push(index);
        }
        globalSchema[storeName] = createTableSchema(storeName, primKey, indexes);
    });
    return globalSchema;
}
function readGlobalSchema(db, idbdb, tmpTrans) {
    db.verno = idbdb.version / 10;
    var globalSchema = db._dbSchema = buildGlobalSchema(db, idbdb, tmpTrans);
    db._storeNames = slice(idbdb.objectStoreNames, 0);
    setApiOnPlace(db, [db._allTables], keys(globalSchema), globalSchema);
}
function adjustToExistingIndexNames(db, schema, idbtrans) {
    var storeNames = idbtrans.db.objectStoreNames;
    for (var i = 0; i < storeNames.length; ++i) {
        var storeName = storeNames[i];
        var store = idbtrans.objectStore(storeName);
        db._hasGetAll = 'getAll' in store;
        for (var j = 0; j < store.indexNames.length; ++j) {
            var indexName = store.indexNames[j];
            var keyPath = store.index(indexName).keyPath;
            var dexieName = typeof keyPath === 'string' ? keyPath : "[" + slice(keyPath).join('+') + "]";
            if (schema[storeName]) {
                var indexSpec = schema[storeName].idxByName[dexieName];
                if (indexSpec) {
                    indexSpec.name = indexName;
                    delete schema[storeName].idxByName[dexieName];
                    schema[storeName].idxByName[indexName] = indexSpec;
                }
            }
        }
    }
    if (typeof navigator !== 'undefined' && /Safari/.test(navigator.userAgent) &&
        !/(Chrome\/|Edge\/)/.test(navigator.userAgent) &&
        _global.WorkerGlobalScope && _global instanceof _global.WorkerGlobalScope &&
        [].concat(navigator.userAgent.match(/Safari\/(\d*)/))[1] < 604) {
        db._hasGetAll = false;
    }
}
function parseIndexSyntax(primKeyAndIndexes) {
    return primKeyAndIndexes.split(',').map(function (index, indexNum) {
        index = index.trim();
        var name = index.replace(/([&*]|\+\+)/g, "");
        var keyPath = /^\[/.test(name) ? name.match(/^\[(.*)\]$/)[1].split('+') : name;
        return createIndexSpec(name, keyPath || null, /\&/.test(index), /\*/.test(index), /\+\+/.test(index), isArray(keyPath), indexNum === 0);
    });
}

var Version =               (function () {
    function Version() {
    }
    Version.prototype._parseStoresSpec = function (stores, outSchema) {
        keys(stores).forEach(function (tableName) {
            if (stores[tableName] !== null) {
                var indexes = parseIndexSyntax(stores[tableName]);
                var primKey = indexes.shift();
                if (primKey.multi)
                    throw new exceptions.Schema("Primary key cannot be multi-valued");
                indexes.forEach(function (idx) {
                    if (idx.auto)
                        throw new exceptions.Schema("Only primary key can be marked as autoIncrement (++)");
                    if (!idx.keyPath)
                        throw new exceptions.Schema("Index must have a name and cannot be an empty string");
                });
                outSchema[tableName] = createTableSchema(tableName, primKey, indexes);
            }
        });
    };
    Version.prototype.stores = function (stores) {
        var db = this.db;
        this._cfg.storesSource = this._cfg.storesSource ?
            extend(this._cfg.storesSource, stores) :
            stores;
        var versions = db._versions;
        var storesSpec = {};
        var dbschema = {};
        versions.forEach(function (version) {
            extend(storesSpec, version._cfg.storesSource);
            dbschema = (version._cfg.dbschema = {});
            version._parseStoresSpec(storesSpec, dbschema);
        });
        db._dbSchema = dbschema;
        removeTablesApi(db, [db._allTables, db, db.Transaction.prototype]);
        setApiOnPlace(db, [db._allTables, db, db.Transaction.prototype, this._cfg.tables], keys(dbschema), dbschema);
        db._storeNames = keys(dbschema);
        return this;
    };
    Version.prototype.upgrade = function (upgradeFunction) {
        this._cfg.contentUpgrade = upgradeFunction;
        return this;
    };
    return Version;
}());

function createVersionConstructor(db) {
    return makeClassConstructor(Version.prototype, function Version$$1(versionNumber) {
        this.db = db;
        this._cfg = {
            version: versionNumber,
            storesSource: null,
            dbschema: {},
            tables: {},
            contentUpgrade: null
        };
    });
}

var databaseEnumerator;
function DatabaseEnumerator(indexedDB) {
    var hasDatabasesNative = indexedDB && typeof indexedDB.databases === 'function';
    var dbNamesTable;
    if (!hasDatabasesNative) {
        var db = new Dexie(DBNAMES_DB, { addons: [] });
        db.version(1).stores({ dbnames: 'name' });
        dbNamesTable = db.table('dbnames');
    }
    return {
        getDatabaseNames: function () {
            return hasDatabasesNative
                ?
                    DexiePromise.resolve(indexedDB.databases()).then(function (infos) { return infos
                        .map(function (info) { return info.name; })
                        .filter(function (name) { return name !== DBNAMES_DB; }); })
                :
                    dbNamesTable.toCollection().primaryKeys();
        },
        add: function (name) {
            return !hasDatabasesNative && name !== DBNAMES_DB && dbNamesTable.put({ name: name }).catch(nop);
        },
        remove: function (name) {
            return !hasDatabasesNative && name !== DBNAMES_DB && dbNamesTable.delete(name).catch(nop);
        }
    };
}
function initDatabaseEnumerator(indexedDB) {
    try {
        databaseEnumerator = DatabaseEnumerator(indexedDB);
    }
    catch (e) { }
}

function vip(fn) {
    return newScope(function () {
        PSD.letThrough = true;
        return fn();
    });
}

function dexieOpen(db) {
    var state = db._state;
    var indexedDB = db._deps.indexedDB;
    if (state.isBeingOpened || db.idbdb)
        return state.dbReadyPromise.then(function () { return state.dbOpenError ?
            rejection(state.dbOpenError) :
            db; });
    debug && (state.openCanceller._stackHolder = getErrorWithStack());
    state.isBeingOpened = true;
    state.dbOpenError = null;
    state.openComplete = false;
    var resolveDbReady = state.dbReadyResolve,
    upgradeTransaction = null;
    return DexiePromise.race([state.openCanceller, new DexiePromise(function (resolve, reject) {
            if (!indexedDB)
                throw new exceptions.MissingAPI("indexedDB API not found. If using IE10+, make sure to run your code on a server URL " +
                    "(not locally). If using old Safari versions, make sure to include indexedDB polyfill.");
            var dbName = db.name;
            var req = state.autoSchema ?
                indexedDB.open(dbName) :
                indexedDB.open(dbName, Math.round(db.verno * 10));
            if (!req)
                throw new exceptions.MissingAPI("IndexedDB API not available");
            req.onerror = eventRejectHandler(reject);
            req.onblocked = wrap(db._fireOnBlocked);
            req.onupgradeneeded = wrap(function (e) {
                upgradeTransaction = req.transaction;
                if (state.autoSchema && !db._options.allowEmptyDB) {
                    req.onerror = preventDefault;
                    upgradeTransaction.abort();
                    req.result.close();
                    var delreq = indexedDB.deleteDatabase(dbName);
                    delreq.onsuccess = delreq.onerror = wrap(function () {
                        reject(new exceptions.NoSuchDatabase("Database " + dbName + " doesnt exist"));
                    });
                }
                else {
                    upgradeTransaction.onerror = eventRejectHandler(reject);
                    var oldVer = e.oldVersion > Math.pow(2, 62) ? 0 : e.oldVersion;
                    db.idbdb = req.result;
                    runUpgraders(db, oldVer / 10, upgradeTransaction, reject);
                }
            }, reject);
            req.onsuccess = wrap(function () {
                upgradeTransaction = null;
                var idbdb = db.idbdb = req.result;
                var objectStoreNames = slice(idbdb.objectStoreNames);
                if (objectStoreNames.length > 0)
                    try {
                        var tmpTrans = idbdb.transaction(safariMultiStoreFix(objectStoreNames), 'readonly');
                        if (state.autoSchema)
                            readGlobalSchema(db, idbdb, tmpTrans);
                        else
                            adjustToExistingIndexNames(db, db._dbSchema, tmpTrans);
                        generateMiddlewareStacks(db, tmpTrans);
                    }
                    catch (e) {
                    }
                connections.push(db);
                idbdb.onversionchange = wrap(function (ev) {
                    state.vcFired = true;
                    db.on("versionchange").fire(ev);
                });
                databaseEnumerator.add(dbName);
                resolve();
            }, reject);
        })]).then(function () {
        state.onReadyBeingFired = [];
        return DexiePromise.resolve(vip(db.on.ready.fire)).then(function fireRemainders() {
            if (state.onReadyBeingFired.length > 0) {
                var remainders = state.onReadyBeingFired.reduce(promisableChain, nop);
                state.onReadyBeingFired = [];
                return DexiePromise.resolve(vip(remainders)).then(fireRemainders);
            }
        });
    }).finally(function () {
        state.onReadyBeingFired = null;
    }).then(function () {
        state.isBeingOpened = false;
        return db;
    }).catch(function (err) {
        try {
            upgradeTransaction && upgradeTransaction.abort();
        }
        catch (e) { }
        state.isBeingOpened = false;
        db.close();
        state.dbOpenError = err;
        return rejection(state.dbOpenError);
    }).finally(function () {
        state.openComplete = true;
        resolveDbReady();
    });
}

function awaitIterator(iterator) {
    var callNext = function (result) { return iterator.next(result); }, doThrow = function (error) { return iterator.throw(error); }, onSuccess = step(callNext), onError = step(doThrow);
    function step(getNext) {
        return function (val) {
            var next = getNext(val), value = next.value;
            return next.done ? value :
                (!value || typeof value.then !== 'function' ?
                    isArray(value) ? Promise.all(value).then(onSuccess, onError) : onSuccess(value) :
                    value.then(onSuccess, onError));
        };
    }
    return step(callNext)();
}

function extractTransactionArgs(mode, _tableArgs_, scopeFunc) {
    var i = arguments.length;
    if (i < 2)
        throw new exceptions.InvalidArgument("Too few arguments");
    var args = new Array(i - 1);
    while (--i)
        args[i - 1] = arguments[i];
    scopeFunc = args.pop();
    var tables = flatten(args);
    return [mode, tables, scopeFunc];
}
function enterTransactionScope(db, mode, storeNames, parentTransaction, scopeFunc) {
    return DexiePromise.resolve().then(function () {
        var transless = PSD.transless || PSD;
        var trans = db._createTransaction(mode, storeNames, db._dbSchema, parentTransaction);
        var zoneProps = {
            trans: trans,
            transless: transless
        };
        if (parentTransaction) {
            trans.idbtrans = parentTransaction.idbtrans;
        }
        else {
            trans.create();
        }
        var scopeFuncIsAsync = isAsyncFunction(scopeFunc);
        if (scopeFuncIsAsync) {
            incrementExpectedAwaits();
        }
        var returnValue;
        var promiseFollowed = DexiePromise.follow(function () {
            returnValue = scopeFunc.call(trans, trans);
            if (returnValue) {
                if (scopeFuncIsAsync) {
                    var decrementor = decrementExpectedAwaits.bind(null, null);
                    returnValue.then(decrementor, decrementor);
                }
                else if (typeof returnValue.next === 'function' && typeof returnValue.throw === 'function') {
                    returnValue = awaitIterator(returnValue);
                }
            }
        }, zoneProps);
        return (returnValue && typeof returnValue.then === 'function' ?
            DexiePromise.resolve(returnValue).then(function (x) { return trans.active ?
                x
                : rejection(new exceptions.PrematureCommit("Transaction committed too early. See http://bit.ly/2kdckMn")); })
            : promiseFollowed.then(function () { return returnValue; })).then(function (x) {
            if (parentTransaction)
                trans._resolve();
            return trans._completion.then(function () { return x; });
        }).catch(function (e) {
            trans._reject(e);
            return rejection(e);
        });
    });
}

function pad(a, value, count) {
    var result = isArray(a) ? a.slice() : [a];
    for (var i = 0; i < count; ++i)
        result.push(value);
    return result;
}
function createVirtualIndexMiddleware(down) {
    return __assign(__assign({}, down), { table: function (tableName) {
            var table = down.table(tableName);
            var schema = table.schema;
            var indexLookup = {};
            var allVirtualIndexes = [];
            function addVirtualIndexes(keyPath, keyTail, lowLevelIndex) {
                var keyPathAlias = getKeyPathAlias(keyPath);
                var indexList = (indexLookup[keyPathAlias] = indexLookup[keyPathAlias] || []);
                var keyLength = keyPath == null ? 0 : typeof keyPath === 'string' ? 1 : keyPath.length;
                var isVirtual = keyTail > 0;
                var virtualIndex = __assign(__assign({}, lowLevelIndex), { isVirtual: isVirtual, isPrimaryKey: !isVirtual && lowLevelIndex.isPrimaryKey, keyTail: keyTail,
                    keyLength: keyLength, extractKey: getKeyExtractor(keyPath), unique: !isVirtual && lowLevelIndex.unique });
                indexList.push(virtualIndex);
                if (!virtualIndex.isPrimaryKey) {
                    allVirtualIndexes.push(virtualIndex);
                }
                if (keyLength > 1) {
                    var virtualKeyPath = keyLength === 2 ?
                        keyPath[0] :
                        keyPath.slice(0, keyLength - 1);
                    addVirtualIndexes(virtualKeyPath, keyTail + 1, lowLevelIndex);
                }
                indexList.sort(function (a, b) { return a.keyTail - b.keyTail; });
                return virtualIndex;
            }
            var primaryKey = addVirtualIndexes(schema.primaryKey.keyPath, 0, schema.primaryKey);
            indexLookup[":id"] = [primaryKey];
            for (var _i = 0, _a = schema.indexes; _i < _a.length; _i++) {
                var index = _a[_i];
                addVirtualIndexes(index.keyPath, 0, index);
            }
            function findBestIndex(keyPath) {
                var result = indexLookup[getKeyPathAlias(keyPath)];
                return result && result[0];
            }
            function translateRange(range, keyTail) {
                return {
                    type: range.type === 1             ?
                        2             :
                        range.type,
                    lower: pad(range.lower, range.lowerOpen ? down.MAX_KEY : down.MIN_KEY, keyTail),
                    lowerOpen: true,
                    upper: pad(range.upper, range.upperOpen ? down.MIN_KEY : down.MAX_KEY, keyTail),
                    upperOpen: true
                };
            }
            function translateRequest(req) {
                var index = req.query.index;
                return index.isVirtual ? __assign(__assign({}, req), { query: {
                        index: index,
                        range: translateRange(req.query.range, index.keyTail)
                    } }) : req;
            }
            var result = __assign(__assign({}, table), { schema: __assign(__assign({}, schema), { primaryKey: primaryKey, indexes: allVirtualIndexes, getIndexByKeyPath: findBestIndex }), count: function (req) {
                    return table.count(translateRequest(req));
                },
                query: function (req) {
                    return table.query(translateRequest(req));
                },
                openCursor: function (req) {
                    var _a = req.query.index, keyTail = _a.keyTail, isVirtual = _a.isVirtual, keyLength = _a.keyLength;
                    if (!isVirtual)
                        return table.openCursor(req);
                    function createVirtualCursor(cursor) {
                        function _continue(key) {
                            key != null ?
                                cursor.continue(pad(key, req.reverse ? down.MAX_KEY : down.MIN_KEY, keyTail)) :
                                req.unique ?
                                    cursor.continue(pad(cursor.key, req.reverse ? down.MIN_KEY : down.MAX_KEY, keyTail)) :
                                    cursor.continue();
                        }
                        var virtualCursor = Object.create(cursor, {
                            continue: { value: _continue },
                            continuePrimaryKey: {
                                value: function (key, primaryKey) {
                                    cursor.continuePrimaryKey(pad(key, down.MAX_KEY, keyTail), primaryKey);
                                }
                            },
                            key: {
                                get: function () {
                                    var key = cursor.key;
                                    return keyLength === 1 ?
                                        key[0] :
                                        key.slice(0, keyLength);
                                }
                            },
                            value: {
                                get: function () {
                                    return cursor.value;
                                }
                            }
                        });
                        return virtualCursor;
                    }
                    return table.openCursor(translateRequest(req))
                        .then(function (cursor) { return cursor && createVirtualCursor(cursor); });
                } });
            return result;
        } });
}
var virtualIndexMiddleware = {
    stack: "dbcore",
    name: "VirtualIndexMiddleware",
    level: 1,
    create: createVirtualIndexMiddleware
};

var hooksMiddleware = {
    stack: "dbcore",
    name: "HooksMiddleware",
    level: 2,
    create: function (downCore) { return (__assign(__assign({}, downCore), { table: function (tableName) {
            var downTable = downCore.table(tableName);
            var primaryKey = downTable.schema.primaryKey;
            var tableMiddleware = __assign(__assign({}, downTable), { mutate: function (req) {
                    var dxTrans = PSD.trans;
                    var _a = dxTrans.table(tableName).hook, deleting = _a.deleting, creating = _a.creating, updating = _a.updating;
                    switch (req.type) {
                        case 'add':
                            if (creating.fire === nop)
                                break;
                            return dxTrans._promise('readwrite', function () { return addPutOrDelete(req); }, true);
                        case 'put':
                            if (creating.fire === nop && updating.fire === nop)
                                break;
                            return dxTrans._promise('readwrite', function () { return addPutOrDelete(req); }, true);
                        case 'delete':
                            if (deleting.fire === nop)
                                break;
                            return dxTrans._promise('readwrite', function () { return addPutOrDelete(req); }, true);
                        case 'deleteRange':
                            if (deleting.fire === nop)
                                break;
                            return dxTrans._promise('readwrite', function () { return deleteRange(req); }, true);
                    }
                    return downTable.mutate(req);
                    function addPutOrDelete(req) {
                        var dxTrans = PSD.trans;
                        var keys$$1 = req.keys || getEffectiveKeys(primaryKey, req);
                        if (!keys$$1)
                            throw new Error("Keys missing");
                        req = req.type === 'add' || req.type === 'put' ? __assign(__assign({}, req), { keys: keys$$1, wantResults: true }) :
                         __assign({}, req);
                        if (req.type !== 'delete')
                            req.values = __spreadArrays(req.values);
                        if (req.keys)
                            req.keys = __spreadArrays(req.keys);
                        return getExistingValues(downTable, req, keys$$1).then(function (existingValues) {
                            var contexts = keys$$1.map(function (key, i) {
                                var existingValue = existingValues[i];
                                var ctx = { onerror: null, onsuccess: null };
                                if (req.type === 'delete') {
                                    deleting.fire.call(ctx, key, existingValue, dxTrans);
                                }
                                else if (req.type === 'add' || existingValue === undefined) {
                                    var generatedPrimaryKey = creating.fire.call(ctx, key, req.values[i], dxTrans);
                                    if (key == null && generatedPrimaryKey != null) {
                                        key = generatedPrimaryKey;
                                        req.keys[i] = key;
                                        if (!primaryKey.outbound) {
                                            setByKeyPath(req.values[i], primaryKey.keyPath, key);
                                        }
                                    }
                                }
                                else {
                                    var objectDiff = getObjectDiff(existingValue, req.values[i]);
                                    var additionalChanges_1 = updating.fire.call(ctx, objectDiff, key, existingValue, dxTrans);
                                    if (additionalChanges_1) {
                                        var requestedValue_1 = req.values[i];
                                        Object.keys(additionalChanges_1).forEach(function (keyPath) {
                                            setByKeyPath(requestedValue_1, keyPath, additionalChanges_1[keyPath]);
                                        });
                                    }
                                }
                                return ctx;
                            });
                            return downTable.mutate(req).then(function (_a) {
                                var failures = _a.failures, results = _a.results, numFailures = _a.numFailures, lastResult = _a.lastResult;
                                for (var i = 0; i < keys$$1.length; ++i) {
                                    var primKey = results ? results[i] : keys$$1[i];
                                    var ctx = contexts[i];
                                    if (primKey == null) {
                                        ctx.onerror && ctx.onerror(failures[i]);
                                    }
                                    else {
                                        ctx.onsuccess && ctx.onsuccess(req.type === 'put' && existingValues[i] ?
                                            req.values[i] :
                                            primKey
                                        );
                                    }
                                }
                                return { failures: failures, results: results, numFailures: numFailures, lastResult: lastResult };
                            }).catch(function (error) {
                                contexts.forEach(function (ctx) { return ctx.onerror && ctx.onerror(error); });
                                return Promise.reject(error);
                            });
                        });
                    }
                    function deleteRange(req) {
                        return deleteNextChunk(req.trans, req.range, 10000);
                    }
                    function deleteNextChunk(trans, range, limit) {
                        return downTable.query({ trans: trans, values: false, query: { index: primaryKey, range: range }, limit: limit })
                            .then(function (_a) {
                            var result = _a.result;
                            return addPutOrDelete({ type: 'delete', keys: result, trans: trans }).then(function (res) {
                                if (res.numFailures > 0)
                                    return Promise.reject(res.failures[0]);
                                if (result.length < limit) {
                                    return { failures: [], numFailures: 0, lastResult: undefined };
                                }
                                else {
                                    return deleteNextChunk(trans, __assign(__assign({}, range), { lower: result[result.length - 1], lowerOpen: true }), limit);
                                }
                            });
                        });
                    }
                } });
            return tableMiddleware;
        } })); }
};

var Dexie =               (function () {
    function Dexie(name, options) {
        var _this = this;
        this._middlewares = {};
        this.verno = 0;
        var deps = Dexie.dependencies;
        this._options = options = __assign({
            addons: Dexie.addons, autoOpen: true,
            indexedDB: deps.indexedDB, IDBKeyRange: deps.IDBKeyRange }, options);
        this._deps = {
            indexedDB: options.indexedDB,
            IDBKeyRange: options.IDBKeyRange
        };
        var addons = options.addons;
        this._dbSchema = {};
        this._versions = [];
        this._storeNames = [];
        this._allTables = {};
        this.idbdb = null;
        var state = {
            dbOpenError: null,
            isBeingOpened: false,
            onReadyBeingFired: null,
            openComplete: false,
            dbReadyResolve: nop,
            dbReadyPromise: null,
            cancelOpen: nop,
            openCanceller: null,
            autoSchema: true
        };
        state.dbReadyPromise = new DexiePromise(function (resolve) {
            state.dbReadyResolve = resolve;
        });
        state.openCanceller = new DexiePromise(function (_, reject) {
            state.cancelOpen = reject;
        });
        this._state = state;
        this.name = name;
        this.on = Events(this, "populate", "blocked", "versionchange", { ready: [promisableChain, nop] });
        this.on.ready.subscribe = override(this.on.ready.subscribe, function (subscribe) {
            return function (subscriber, bSticky) {
                Dexie.vip(function () {
                    var state = _this._state;
                    if (state.openComplete) {
                        if (!state.dbOpenError)
                            DexiePromise.resolve().then(subscriber);
                        if (bSticky)
                            subscribe(subscriber);
                    }
                    else if (state.onReadyBeingFired) {
                        state.onReadyBeingFired.push(subscriber);
                        if (bSticky)
                            subscribe(subscriber);
                    }
                    else {
                        subscribe(subscriber);
                        var db_1 = _this;
                        if (!bSticky)
                            subscribe(function unsubscribe() {
                                db_1.on.ready.unsubscribe(subscriber);
                                db_1.on.ready.unsubscribe(unsubscribe);
                            });
                    }
                });
            };
        });
        this.Collection = createCollectionConstructor(this);
        this.Table = createTableConstructor(this);
        this.Transaction = createTransactionConstructor(this);
        this.Version = createVersionConstructor(this);
        this.WhereClause = createWhereClauseConstructor(this);
        this.on("versionchange", function (ev) {
            if (ev.newVersion > 0)
                console.warn("Another connection wants to upgrade database '" + _this.name + "'. Closing db now to resume the upgrade.");
            else
                console.warn("Another connection wants to delete database '" + _this.name + "'. Closing db now to resume the delete request.");
            _this.close();
        });
        this.on("blocked", function (ev) {
            if (!ev.newVersion || ev.newVersion < ev.oldVersion)
                console.warn("Dexie.delete('" + _this.name + "') was blocked");
            else
                console.warn("Upgrade '" + _this.name + "' blocked by other connection holding version " + ev.oldVersion / 10);
        });
        this._maxKey = getMaxKey(options.IDBKeyRange);
        this._createTransaction = function (mode, storeNames, dbschema, parentTransaction) { return new _this.Transaction(mode, storeNames, dbschema, parentTransaction); };
        this._fireOnBlocked = function (ev) {
            _this.on("blocked").fire(ev);
            connections
                .filter(function (c) { return c.name === _this.name && c !== _this && !c._state.vcFired; })
                .map(function (c) { return c.on("versionchange").fire(ev); });
        };
        this.use(virtualIndexMiddleware);
        this.use(hooksMiddleware);
        addons.forEach(function (addon) { return addon(_this); });
    }
    Dexie.prototype.version = function (versionNumber) {
        if (isNaN(versionNumber) || versionNumber < 0.1)
            throw new exceptions.Type("Given version is not a positive number");
        versionNumber = Math.round(versionNumber * 10) / 10;
        if (this.idbdb || this._state.isBeingOpened)
            throw new exceptions.Schema("Cannot add version when database is open");
        this.verno = Math.max(this.verno, versionNumber);
        var versions = this._versions;
        var versionInstance = versions.filter(function (v) { return v._cfg.version === versionNumber; })[0];
        if (versionInstance)
            return versionInstance;
        versionInstance = new this.Version(versionNumber);
        versions.push(versionInstance);
        versions.sort(lowerVersionFirst);
        versionInstance.stores({});
        this._state.autoSchema = false;
        return versionInstance;
    };
    Dexie.prototype._whenReady = function (fn) {
        var _this = this;
        return this._state.openComplete || PSD.letThrough ? fn() : new DexiePromise(function (resolve, reject) {
            if (!_this._state.isBeingOpened) {
                if (!_this._options.autoOpen) {
                    reject(new exceptions.DatabaseClosed());
                    return;
                }
                _this.open().catch(nop);
            }
            _this._state.dbReadyPromise.then(resolve, reject);
        }).then(fn);
    };
    Dexie.prototype.use = function (_a) {
        var stack = _a.stack, create = _a.create, level = _a.level, name = _a.name;
        if (name)
            this.unuse({ stack: stack, name: name });
        var middlewares = this._middlewares[stack] || (this._middlewares[stack] = []);
        middlewares.push({ stack: stack, create: create, level: level == null ? 10 : level, name: name });
        middlewares.sort(function (a, b) { return a.level - b.level; });
        return this;
    };
    Dexie.prototype.unuse = function (_a) {
        var stack = _a.stack, name = _a.name, create = _a.create;
        if (stack && this._middlewares[stack]) {
            this._middlewares[stack] = this._middlewares[stack].filter(function (mw) {
                return create ? mw.create !== create :
                    name ? mw.name !== name :
                        false;
            });
        }
        return this;
    };
    Dexie.prototype.open = function () {
        return dexieOpen(this);
    };
    Dexie.prototype.close = function () {
        var idx = connections.indexOf(this), state = this._state;
        if (idx >= 0)
            connections.splice(idx, 1);
        if (this.idbdb) {
            try {
                this.idbdb.close();
            }
            catch (e) { }
            this.idbdb = null;
        }
        this._options.autoOpen = false;
        state.dbOpenError = new exceptions.DatabaseClosed();
        if (state.isBeingOpened)
            state.cancelOpen(state.dbOpenError);
        state.dbReadyPromise = new DexiePromise(function (resolve) {
            state.dbReadyResolve = resolve;
        });
        state.openCanceller = new DexiePromise(function (_, reject) {
            state.cancelOpen = reject;
        });
    };
    Dexie.prototype.delete = function () {
        var _this = this;
        var hasArguments = arguments.length > 0;
        var state = this._state;
        return new DexiePromise(function (resolve, reject) {
            var doDelete = function () {
                _this.close();
                var req = _this._deps.indexedDB.deleteDatabase(_this.name);
                req.onsuccess = wrap(function () {
                    databaseEnumerator.remove(_this.name);
                    resolve();
                });
                req.onerror = eventRejectHandler(reject);
                req.onblocked = _this._fireOnBlocked;
            };
            if (hasArguments)
                throw new exceptions.InvalidArgument("Arguments not allowed in db.delete()");
            if (state.isBeingOpened) {
                state.dbReadyPromise.then(doDelete);
            }
            else {
                doDelete();
            }
        });
    };
    Dexie.prototype.backendDB = function () {
        return this.idbdb;
    };
    Dexie.prototype.isOpen = function () {
        return this.idbdb !== null;
    };
    Dexie.prototype.hasBeenClosed = function () {
        var dbOpenError = this._state.dbOpenError;
        return dbOpenError && (dbOpenError.name === 'DatabaseClosed');
    };
    Dexie.prototype.hasFailed = function () {
        return this._state.dbOpenError !== null;
    };
    Dexie.prototype.dynamicallyOpened = function () {
        return this._state.autoSchema;
    };
    Object.defineProperty(Dexie.prototype, "tables", {
        get: function () {
            var _this = this;
            return keys(this._allTables).map(function (name) { return _this._allTables[name]; });
        },
        enumerable: true,
        configurable: true
    });
    Dexie.prototype.transaction = function () {
        var args = extractTransactionArgs.apply(this, arguments);
        return this._transaction.apply(this, args);
    };
    Dexie.prototype._transaction = function (mode, tables, scopeFunc) {
        var _this = this;
        var parentTransaction = PSD.trans;
        if (!parentTransaction || parentTransaction.db !== this || mode.indexOf('!') !== -1)
            parentTransaction = null;
        var onlyIfCompatible = mode.indexOf('?') !== -1;
        mode = mode.replace('!', '').replace('?', '');
        var idbMode, storeNames;
        try {
            storeNames = tables.map(function (table) {
                var storeName = table instanceof _this.Table ? table.name : table;
                if (typeof storeName !== 'string')
                    throw new TypeError("Invalid table argument to Dexie.transaction(). Only Table or String are allowed");
                return storeName;
            });
            if (mode == "r" || mode === READONLY)
                idbMode = READONLY;
            else if (mode == "rw" || mode == READWRITE)
                idbMode = READWRITE;
            else
                throw new exceptions.InvalidArgument("Invalid transaction mode: " + mode);
            if (parentTransaction) {
                if (parentTransaction.mode === READONLY && idbMode === READWRITE) {
                    if (onlyIfCompatible) {
                        parentTransaction = null;
                    }
                    else
                        throw new exceptions.SubTransaction("Cannot enter a sub-transaction with READWRITE mode when parent transaction is READONLY");
                }
                if (parentTransaction) {
                    storeNames.forEach(function (storeName) {
                        if (parentTransaction && parentTransaction.storeNames.indexOf(storeName) === -1) {
                            if (onlyIfCompatible) {
                                parentTransaction = null;
                            }
                            else
                                throw new exceptions.SubTransaction("Table " + storeName +
                                    " not included in parent transaction.");
                        }
                    });
                }
                if (onlyIfCompatible && parentTransaction && !parentTransaction.active) {
                    parentTransaction = null;
                }
            }
        }
        catch (e) {
            return parentTransaction ?
                parentTransaction._promise(null, function (_, reject) { reject(e); }) :
                rejection(e);
        }
        var enterTransaction = enterTransactionScope.bind(null, this, idbMode, storeNames, parentTransaction, scopeFunc);
        return (parentTransaction ?
            parentTransaction._promise(idbMode, enterTransaction, "lock") :
            PSD.trans ?
                usePSD(PSD.transless, function () { return _this._whenReady(enterTransaction); }) :
                this._whenReady(enterTransaction));
    };
    Dexie.prototype.table = function (tableName) {
        if (!hasOwn(this._allTables, tableName)) {
            throw new exceptions.InvalidTable("Table " + tableName + " does not exist");
        }
        return this._allTables[tableName];
    };
    return Dexie;
}());

var Dexie$1 = Dexie;
props(Dexie$1, __assign(__assign({}, fullNameExceptions), {
    delete: function (databaseName) {
        var db = new Dexie$1(databaseName);
        return db.delete();
    },
    exists: function (name) {
        return new Dexie$1(name, { addons: [] }).open().then(function (db) {
            db.close();
            return true;
        }).catch('NoSuchDatabaseError', function () { return false; });
    },
    getDatabaseNames: function (cb) {
        return databaseEnumerator ?
            databaseEnumerator.getDatabaseNames().then(cb) :
            DexiePromise.resolve([]);
    },
    defineClass: function () {
        function Class(content) {
            extend(this, content);
        }
        return Class;
    },
    ignoreTransaction: function (scopeFunc) {
        return PSD.trans ?
            usePSD(PSD.transless, scopeFunc) :
            scopeFunc();
    },
    vip: vip, async: function (generatorFn) {
        return function () {
            try {
                var rv = awaitIterator(generatorFn.apply(this, arguments));
                if (!rv || typeof rv.then !== 'function')
                    return DexiePromise.resolve(rv);
                return rv;
            }
            catch (e) {
                return rejection(e);
            }
        };
    }, spawn: function (generatorFn, args, thiz) {
        try {
            var rv = awaitIterator(generatorFn.apply(thiz, args || []));
            if (!rv || typeof rv.then !== 'function')
                return DexiePromise.resolve(rv);
            return rv;
        }
        catch (e) {
            return rejection(e);
        }
    },
    currentTransaction: {
        get: function () { return PSD.trans || null; }
    }, waitFor: function (promiseOrFunction, optionalTimeout) {
        var promise = DexiePromise.resolve(typeof promiseOrFunction === 'function' ?
            Dexie$1.ignoreTransaction(promiseOrFunction) :
            promiseOrFunction)
            .timeout(optionalTimeout || 60000);
        return PSD.trans ?
            PSD.trans.waitFor(promise) :
            promise;
    },
    Promise: DexiePromise,
    debug: {
        get: function () { return debug; },
        set: function (value) {
            setDebug(value, value === 'dexie' ? function () { return true; } : dexieStackFrameFilter);
        }
    },
    derive: derive, extend: extend, props: props, override: override,
    Events: Events,
    getByKeyPath: getByKeyPath, setByKeyPath: setByKeyPath, delByKeyPath: delByKeyPath, shallowClone: shallowClone, deepClone: deepClone, getObjectDiff: getObjectDiff, asap: asap,
    minKey: minKey,
    addons: [],
    connections: connections,
    errnames: errnames,
    dependencies: (function () {
        try {
            return {
                indexedDB: _global.indexedDB || _global.mozIndexedDB || _global.webkitIndexedDB || _global.msIndexedDB,
                IDBKeyRange: _global.IDBKeyRange || _global.webkitIDBKeyRange
            };
        }
        catch (e) {
            return { indexedDB: null, IDBKeyRange: null };
        }
    })(),
    semVer: DEXIE_VERSION, version: DEXIE_VERSION.split('.')
        .map(function (n) { return parseInt(n); })
        .reduce(function (p, c, i) { return p + (c / Math.pow(10, i * 2)); }),
    default: Dexie$1,
    Dexie: Dexie$1 }));
Dexie$1.maxKey = getMaxKey(Dexie$1.dependencies.IDBKeyRange);

initDatabaseEnumerator(Dexie.dependencies.indexedDB);
DexiePromise.rejectionMapper = mapError;
setDebug(debug, dexieStackFrameFilter);

return Dexie;

})));
//# sourceMappingURL=dexie.js.map