index.js

    canAttachTrace: canAttachTrace,
    ensureErrorObject: ensureErrorObject,
    originatesFromRejection: originatesFromRejection,
    markAsOriginatingFromRejection: markAsOriginatingFromRejection,
    classString: classString,
    copyDescriptors: copyDescriptors,
    isNode: isNode,
    hasEnvVariables: hasEnvVariables,
    env: env,
    global: globalObject,
    getNativePromise: getNativePromise,
    contextBind: contextBind
};
ret.isRecentNode = ret.isNode && (function() {
    var version;
    if (process.versions && process.versions.node) {
        version = process.versions.node.split(".").map(Number);
    } else if (process.version) {
        version = process.version.split(".").map(Number);
    }
    return (version[0] === 0 && version[1] > 10) || (version[0] > 0);
})();
ret.nodeSupportsAsyncResource = ret.isNode && (function() {
    var supportsAsync = false;
    try {
        var res = (__webpack_require__(9).AsyncResource);
        supportsAsync = typeof res.prototype.runInAsyncScope === "function";
    } catch (e) {
        supportsAsync = false;
    }
    return supportsAsync;
})();

if (ret.isNode) ret.toFastProperties(process);

try {throw new Error(); } catch (e) {ret.lastLineError = e;}
module.exports = ret;


/***/ }),
/* 8 */
/***/ ((module) => {

var isES5 = (function(){
    "use strict";
    return this === undefined;
})();

if (isES5) {
    module.exports = {
        freeze: Object.freeze,
        defineProperty: Object.defineProperty,
        getDescriptor: Object.getOwnPropertyDescriptor,
        keys: Object.keys,
        names: Object.getOwnPropertyNames,
        getPrototypeOf: Object.getPrototypeOf,
        isArray: Array.isArray,
        isES5: isES5,
        propertyIsWritable: function(obj, prop) {
            var descriptor = Object.getOwnPropertyDescriptor(obj, prop);
            return !!(!descriptor || descriptor.writable || descriptor.set);
        }
    };
} else {
    var has = {}.hasOwnProperty;
    var str = {}.toString;
    var proto = {}.constructor.prototype;

    var ObjectKeys = function (o) {
        var ret = [];
        for (var key in o) {
            if (has.call(o, key)) {
                ret.push(key);
            }
        }
        return ret;
    };

    var ObjectGetDescriptor = function(o, key) {
        return {value: o[key]};
    };

    var ObjectDefineProperty = function (o, key, desc) {
        o[key] = desc.value;
        return o;
    };

    var ObjectFreeze = function (obj) {
        return obj;
    };

    var ObjectGetPrototypeOf = function (obj) {
        try {
            return Object(obj).constructor.prototype;
        }
        catch (e) {
            return proto;
        }
    };

    var ArrayIsArray = function (obj) {
        try {
            return str.call(obj) === "[object Array]";
        }
        catch(e) {
            return false;
        }
    };

    module.exports = {
        isArray: ArrayIsArray,
        keys: ObjectKeys,
        names: ObjectKeys,
        defineProperty: ObjectDefineProperty,
        getDescriptor: ObjectGetDescriptor,
        freeze: ObjectFreeze,
        getPrototypeOf: ObjectGetPrototypeOf,
        isES5: isES5,
        propertyIsWritable: function() {
            return true;
        }
    };
}


/***/ }),
/* 9 */
/***/ ((module) => {

"use strict";
module.exports = require("async_hooks");

/***/ }),
/* 10 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

var firstLineError;
try {throw new Error(); } catch (e) {firstLineError = e;}
var schedule = __webpack_require__(11);
var Queue = __webpack_require__(12);

function Async() {
    this._customScheduler = false;
    this._isTickUsed = false;
    this._lateQueue = new Queue(16);
    this._normalQueue = new Queue(16);
    this._haveDrainedQueues = false;
    var self = this;
    this.drainQueues = function () {
        self._drainQueues();
    };
    this._schedule = schedule;
}

Async.prototype.setScheduler = function(fn) {
    var prev = this._schedule;
    this._schedule = fn;
    this._customScheduler = true;
    return prev;
};

Async.prototype.hasCustomScheduler = function() {
    return this._customScheduler;
};

Async.prototype.haveItemsQueued = function () {
    return this._isTickUsed || this._haveDrainedQueues;
};


Async.prototype.fatalError = function(e, isNode) {
    if (isNode) {
        process.stderr.write("Fatal " + (e instanceof Error ? e.stack : e) +
            "\n");
        process.exit(2);
    } else {
        this.throwLater(e);
    }
};

Async.prototype.throwLater = function(fn, arg) {
    if (arguments.length === 1) {
        arg = fn;
        fn = function () { throw arg; };
    }
    if (typeof setTimeout !== "undefined") {
        setTimeout(function() {
            fn(arg);
        }, 0);
    } else try {
        this._schedule(function() {
            fn(arg);
        });
    } catch (e) {
        throw new Error("No async scheduler available\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
    }
};

function AsyncInvokeLater(fn, receiver, arg) {
    this._lateQueue.push(fn, receiver, arg);
    this._queueTick();
}

function AsyncInvoke(fn, receiver, arg) {
    this._normalQueue.push(fn, receiver, arg);
    this._queueTick();
}

function AsyncSettlePromises(promise) {
    this._normalQueue._pushOne(promise);
    this._queueTick();
}

Async.prototype.invokeLater = AsyncInvokeLater;
Async.prototype.invoke = AsyncInvoke;
Async.prototype.settlePromises = AsyncSettlePromises;


function _drainQueue(queue) {
    while (queue.length() > 0) {
        _drainQueueStep(queue);
    }
}

function _drainQueueStep(queue) {
    var fn = queue.shift();
    if (typeof fn !== "function") {
        fn._settlePromises();
    } else {
        var receiver = queue.shift();
        var arg = queue.shift();
        fn.call(receiver, arg);
    }
}

Async.prototype._drainQueues = function () {
    _drainQueue(this._normalQueue);
    this._reset();
    this._haveDrainedQueues = true;
    _drainQueue(this._lateQueue);
};

Async.prototype._queueTick = function () {
    if (!this._isTickUsed) {
        this._isTickUsed = true;
        this._schedule(this.drainQueues);
    }
};

Async.prototype._reset = function () {
    this._isTickUsed = false;
};

module.exports = Async;
module.exports.firstLineError = firstLineError;


/***/ }),
/* 11 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

var util = __webpack_require__(7);
var schedule;
var noAsyncScheduler = function() {
    throw new Error("No async scheduler available\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
};
var NativePromise = util.getNativePromise();
if (util.isNode && typeof MutationObserver === "undefined") {
    var GlobalSetImmediate = global.setImmediate;
    var ProcessNextTick = process.nextTick;
    schedule = util.isRecentNode
                ? function(fn) { GlobalSetImmediate.call(global, fn); }
                : function(fn) { ProcessNextTick.call(process, fn); };
} else if (typeof NativePromise === "function" &&
           typeof NativePromise.resolve === "function") {
    var nativePromise = NativePromise.resolve();
    schedule = function(fn) {
        nativePromise.then(fn);
    };
} else if ((typeof MutationObserver !== "undefined") &&
          !(typeof window !== "undefined" &&
            window.navigator &&
            (window.navigator.standalone || window.cordova)) &&
          ("classList" in document.documentElement)) {
    schedule = (function() {
        var div = document.createElement("div");
        var opts = {attributes: true};
        var toggleScheduled = false;
        var div2 = document.createElement("div");
        var o2 = new MutationObserver(function() {
            div.classList.toggle("foo");
            toggleScheduled = false;
        });
        o2.observe(div2, opts);

        var scheduleToggle = function() {
            if (toggleScheduled) return;
            toggleScheduled = true;
            div2.classList.toggle("foo");
        };

        return function schedule(fn) {
            var o = new MutationObserver(function() {
                o.disconnect();
                fn();
            });
            o.observe(div, opts);
            scheduleToggle();
        };
    })();
} else if (typeof setImmediate !== "undefined") {
    schedule = function (fn) {
        setImmediate(fn);
    };
} else if (typeof setTimeout !== "undefined") {
    schedule = function (fn) {
        setTimeout(fn, 0);
    };
} else {
    schedule = noAsyncScheduler;
}
module.exports = schedule;


/***/ }),
/* 12 */
/***/ ((module) => {

"use strict";

function arrayMove(src, srcIndex, dst, dstIndex, len) {
    for (var j = 0; j < len; ++j) {
        dst[j + dstIndex] = src[j + srcIndex];
        src[j + srcIndex] = void 0;
    }
}

function Queue(capacity) {
    this._capacity = capacity;
    this._length = 0;
    this._front = 0;
}

Queue.prototype._willBeOverCapacity = function (size) {
    return this._capacity < size;
};

Queue.prototype._pushOne = function (arg) {
    var length = this.length();
    this._checkCapacity(length + 1);
    var i = (this._front + length) & (this._capacity - 1);
    this[i] = arg;
    this._length = length + 1;
};

Queue.prototype.push = function (fn, receiver, arg) {
    var length = this.length() + 3;
    if (this._willBeOverCapacity(length)) {
        this._pushOne(fn);
        this._pushOne(receiver);
        this._pushOne(arg);
        return;
    }
    var j = this._front + length - 3;
    this._checkCapacity(length);
    var wrapMask = this._capacity - 1;
    this[(j + 0) & wrapMask] = fn;
    this[(j + 1) & wrapMask] = receiver;
    this[(j + 2) & wrapMask] = arg;
    this._length = length;
};

Queue.prototype.shift = function () {
    var front = this._front,
        ret = this[front];

    this[front] = undefined;
    this._front = (front + 1) & (this._capacity - 1);
    this._length--;
    return ret;
};

Queue.prototype.length = function () {
    return this._length;
};

Queue.prototype._checkCapacity = function (size) {
    if (this._capacity < size) {
        this._resizeTo(this._capacity << 1);
    }
};

Queue.prototype._resizeTo = function (capacity) {
    var oldCapacity = this._capacity;
    this._capacity = capacity;
    var front = this._front;
    var length = this._length;
    var moveItemsCount = (front + length) & (oldCapacity - 1);
    arrayMove(this, 0, this, oldCapacity, moveItemsCount);
};

module.exports = Queue;


/***/ }),
/* 13 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

var es5 = __webpack_require__(8);
var Objectfreeze = es5.freeze;
var util = __webpack_require__(7);
var inherits = util.inherits;
var notEnumerableProp = util.notEnumerableProp;

function subError(nameProperty, defaultMessage) {
    function SubError(message) {
        if (!(this instanceof SubError)) return new SubError(message);
        notEnumerableProp(this, "message",
            typeof message === "string" ? message : defaultMessage);
        notEnumerableProp(this, "name", nameProperty);
        if (Error.captureStackTrace) {
            Error.captureStackTrace(this, this.constructor);
        } else {
            Error.call(this);
        }
    }
    inherits(SubError, Error);
    return SubError;
}

var _TypeError, _RangeError;
var Warning = subError("Warning", "warning");
var CancellationError = subError("CancellationError", "cancellation error");
var TimeoutError = subError("TimeoutError", "timeout error");
var AggregateError = subError("AggregateError", "aggregate error");
try {
    _TypeError = TypeError;
    _RangeError = RangeError;
} catch(e) {
    _TypeError = subError("TypeError", "type error");
    _RangeError = subError("RangeError", "range error");
}

var methods = ("join pop push shift unshift slice filter forEach some " +
    "every map indexOf lastIndexOf reduce reduceRight sort reverse").split(" ");

for (var i = 0; i < methods.length; ++i) {
    if (typeof Array.prototype[methods[i]] === "function") {
        AggregateError.prototype[methods[i]] = Array.prototype[methods[i]];
    }
}

es5.defineProperty(AggregateError.prototype, "length", {
    value: 0,
    configurable: false,
    writable: true,
    enumerable: true
});
AggregateError.prototype["isOperational"] = true;
var level = 0;
AggregateError.prototype.toString = function() {
    var indent = Array(level * 4 + 1).join(" ");
    var ret = "\n" + indent + "AggregateError of:" + "\n";
    level++;
    indent = Array(level * 4 + 1).join(" ");
    for (var i = 0; i < this.length; ++i) {
        var str = this[i] === this ? "[Circular AggregateError]" : this[i] + "";
        var lines = str.split("\n");
        for (var j = 0; j < lines.length; ++j) {
            lines[j] = indent + lines[j];
        }
        str = lines.join("\n");
        ret += str + "\n";
    }
    level--;
    return ret;
};

function OperationalError(message) {
    if (!(this instanceof OperationalError))
        return new OperationalError(message);
    notEnumerableProp(this, "name", "OperationalError");
    notEnumerableProp(this, "message", message);
    this.cause = message;
    this["isOperational"] = true;

    if (message instanceof Error) {
        notEnumerableProp(this, "message", message.message);
        notEnumerableProp(this, "stack", message.stack);
    } else if (Error.captureStackTrace) {
        Error.captureStackTrace(this, this.constructor);
    }

}
inherits(OperationalError, Error);

var errorTypes = Error["__BluebirdErrorTypes__"];
if (!errorTypes) {
    errorTypes = Objectfreeze({
        CancellationError: CancellationError,
        TimeoutError: TimeoutError,
        OperationalError: OperationalError,
        RejectionError: OperationalError,
        AggregateError: AggregateError
    });
    es5.defineProperty(Error, "__BluebirdErrorTypes__", {
        value: errorTypes,
        writable: false,
        enumerable: false,
        configurable: false
    });
}

module.exports = {
    Error: Error,
    TypeError: _TypeError,
    RangeError: _RangeError,
    CancellationError: errorTypes.CancellationError,
    OperationalError: errorTypes.OperationalError,
    TimeoutError: errorTypes.TimeoutError,
    AggregateError: errorTypes.AggregateError,
    Warning: Warning
};


/***/ }),
/* 14 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

module.exports = function(Promise, INTERNAL) {
var util = __webpack_require__(7);
var errorObj = util.errorObj;
var isObject = util.isObject;

function tryConvertToPromise(obj, context) {
    if (isObject(obj)) {
        if (obj instanceof Promise) return obj;
        var then = getThen(obj);
        if (then === errorObj) {
            if (context) context._pushContext();
            var ret = Promise.reject(then.e);
            if (context) context._popContext();
            return ret;
        } else if (typeof then === "function") {
            if (isAnyBluebirdPromise(obj)) {
                var ret = new Promise(INTERNAL);
                obj._then(
                    ret._fulfill,
                    ret._reject,
                    undefined,
                    ret,
                    null
                );
                return ret;
            }
            return doThenable(obj, then, context);
        }
    }
    return obj;
}

function doGetThen(obj) {
    return obj.then;
}

function getThen(obj) {
    try {
        return doGetThen(obj);
    } catch (e) {
        errorObj.e = e;
        return errorObj;
    }
}

var hasProp = {}.hasOwnProperty;
function isAnyBluebirdPromise(obj) {
    try {
        return hasProp.call(obj, "_promise0");
    } catch (e) {
        return false;
    }
}

function doThenable(x, then, context) {
    var promise = new Promise(INTERNAL);
    var ret = promise;
    if (context) context._pushContext();
    promise._captureStackTrace();
    if (context) context._popContext();
    var synchronous = true;
    var result = util.tryCatch(then).call(x, resolve, reject);
    synchronous = false;

    if (promise && result === errorObj) {
        promise._rejectCallback(result.e, true, true);
        promise = null;
    }

    function resolve(value) {
        if (!promise) return;
        promise._resolveCallback(value);
        promise = null;
    }

    function reject(reason) {
        if (!promise) return;
        promise._rejectCallback(reason, synchronous, true);
        promise = null;
    }
    return ret;
}

return tryConvertToPromise;
};


/***/ }),
/* 15 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

module.exports = function(Promise, INTERNAL, tryConvertToPromise,
    apiRejection, Proxyable) {
var util = __webpack_require__(7);
var isArray = util.isArray;

function toResolutionValue(val) {
    switch(val) {
    case -2: return [];
    case -3: return {};
    case -6: return new Map();
    }
}

function PromiseArray(values) {
    var promise = this._promise = new Promise(INTERNAL);
    if (values instanceof Promise) {
        promise._propagateFrom(values, 3);
        values.suppressUnhandledRejections();
    }
    promise._setOnCancel(this);
    this._values = values;
    this._length = 0;
    this._totalResolved = 0;
    this._init(undefined, -2);
}
util.inherits(PromiseArray, Proxyable);

PromiseArray.prototype.length = function () {
    return this._length;
};

PromiseArray.prototype.promise = function () {
    return this._promise;
};

PromiseArray.prototype._init = function init(_, resolveValueIfEmpty) {
    var values = tryConvertToPromise(this._values, this._promise);
    if (values instanceof Promise) {
        values = values._target();
        var bitField = values._bitField;
        ;
        this._values = values;

        if (((bitField & 50397184) === 0)) {
            this._promise._setAsyncGuaranteed();
            return values._then(
                init,
                this._reject,
                undefined,
                this,
                resolveValueIfEmpty
           );
        } else if (((bitField & 33554432) !== 0)) {
            values = values._value();
        } else if (((bitField & 16777216) !== 0)) {
            return this._reject(values._reason());
        } else {
            return this._cancel();
        }
    }
    values = util.asArray(values);
    if (values === null) {
        var err = apiRejection(
            "expecting an array or an iterable object but got " + util.classString(values)).reason();
        this._promise._rejectCallback(err, false);
        return;
    }

    if (values.length === 0) {
        if (resolveValueIfEmpty === -5) {
            this._resolveEmptyArray();
        }
        else {
            this._resolve(toResolutionValue(resolveValueIfEmpty));
        }
        return;
    }
    this._iterate(values);
};

PromiseArray.prototype._iterate = function(values) {
    var len = this.getActualLength(values.length);
    this._length = len;
    this._values = this.shouldCopyValues() ? new Array(len) : this._values;
    var result = this._promise;
    var isResolved = false;
    var bitField = null;
    for (var i = 0; i < len; ++i) {
        var maybePromise = tryConvertToPromise(values[i], result);

        if (maybePromise instanceof Promise) {
            maybePromise = maybePromise._target();
            bitField = maybePromise._bitField;
        } else {
            bitField = null;
        }

        if (isResolved) {
            if (bitField !== null) {
                maybePromise.suppressUnhandledRejections();
            }
        } else if (bitField !== null) {
            if (((bitField & 50397184) === 0)) {
                maybePromise._proxy(this, i);
                this._values[i] = maybePromise;
            } else if (((bitField & 33554432) !== 0)) {
                isResolved = this._promiseFulfilled(maybePromise._value(), i);
            } else if (((bitField & 16777216) !== 0)) {
                isResolved = this._promiseRejected(maybePromise._reason(), i);
            } else {
                isResolved = this._promiseCancelled(i);
            }
        } else {
            isResolved = this._promiseFulfilled(maybePromise, i);
        }
    }
    if (!isResolved) result._setAsyncGuaranteed();
};

PromiseArray.prototype._isResolved = function () {
    return this._values === null;
};

PromiseArray.prototype._resolve = function (value) {
    this._values = null;
    this._promise._fulfill(value);
};

PromiseArray.prototype._cancel = function() {
    if (this._isResolved() || !this._promise._isCancellable()) return;
    this._values = null;
    this._promise._cancel();
};

PromiseArray.prototype._reject = function (reason) {
    this._values = null;
    this._promise._rejectCallback(reason, false);
};

PromiseArray.prototype._promiseFulfilled = function (value, index) {
    this._values[index] = value;
    var totalResolved = ++this._totalResolved;
    if (totalResolved >= this._length) {
        this._resolve(this._values);
        return true;
    }
    return false;
};

PromiseArray.prototype._promiseCancelled = function() {
    this._cancel();
    return true;
};

PromiseArray.prototype._promiseRejected = function (reason) {
    this._totalResolved++;
    this._reject(reason);
    return true;
};

PromiseArray.prototype._resultCancelled = function() {
    if (this._isResolved()) return;
    var values = this._values;
    this._cancel();
    if (values instanceof Promise) {
        values.cancel();
    } else {
        for (var i = 0; i < values.length; ++i) {
            if (values[i] instanceof Promise) {
                values[i].cancel();
            }
        }
    }
};

PromiseArray.prototype.shouldCopyValues = function () {
    return true;
};

PromiseArray.prototype.getActualLength = function (len) {
    return len;
};

return PromiseArray;
};


/***/ }),
/* 16 */
/***/ ((module) => {

"use strict";

module.exports = function(Promise) {
var longStackTraces = false;
var contextStack = [];

Promise.prototype._promiseCreated = function() {};
Promise.prototype._pushContext = function() {};
Promise.prototype._popContext = function() {return null;};
Promise._peekContext = Promise.prototype._peekContext = function() {};

function Context() {
    this._trace = new Context.CapturedTrace(peekContext());
}
Context.prototype._pushContext = function () {
    if (this._trace !== undefined) {
        this._trace._promiseCreated = null;
        contextStack.push(this._trace);
    }
};

Context.prototype._popContext = function () {
    if (this._trace !== undefined) {
        var trace = contextStack.pop();
        var ret = trace._promiseCreated;
        trace._promiseCreated = null;
        return ret;
    }
    return null;
};

function createContext() {
    if (longStackTraces) return new Context();
}

function peekContext() {
    var lastIndex = contextStack.length - 1;
    if (lastIndex >= 0) {
        return contextStack[lastIndex];
    }
    return undefined;
}
Context.CapturedTrace = null;
Context.create = createContext;
Context.deactivateLongStackTraces = function() {};
Context.activateLongStackTraces = function() {
    var Promise_pushContext = Promise.prototype._pushContext;
    var Promise_popContext = Promise.prototype._popContext;
    var Promise_PeekContext = Promise._peekContext;
    var Promise_peekContext = Promise.prototype._peekContext;
    var Promise_promiseCreated = Promise.prototype._promiseCreated;
    Context.deactivateLongStackTraces = function() {
        Promise.prototype._pushContext = Promise_pushContext;
        Promise.prototype._popContext = Promise_popContext;
        Promise._peekContext = Promise_PeekContext;
        Promise.prototype._peekContext = Promise_peekContext;
        Promise.prototype._promiseCreated = Promise_promiseCreated;
        longStackTraces = false;
    };
    longStackTraces = true;
    Promise.prototype._pushContext = Context.prototype._pushContext;
    Promise.prototype._popContext = Context.prototype._popContext;
    Promise._peekContext = Promise.prototype._peekContext = peekContext;
    Promise.prototype._promiseCreated = function() {
        var ctx = this._peekContext();
        if (ctx && ctx._promiseCreated == null) ctx._promiseCreated = this;
    };
};
return Context;
};


/***/ }),
/* 17 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

module.exports = function(Promise, Context,
    enableAsyncHooks, disableAsyncHooks) {
var async = Promise._async;
var Warning = (__webpack_require__(13).Warning);
var util = __webpack_require__(7);
var es5 = __webpack_require__(8);
var canAttachTrace = util.canAttachTrace;
var unhandledRejectionHandled;
var possiblyUnhandledRejection;
var bluebirdFramePattern =
    /[\\\/]bluebird[\\\/]js[\\\/](release|debug|instrumented)/;
var nodeFramePattern = /\((?:timers\.js):\d+:\d+\)/;
var parseLinePattern = /[\/<\(](.+?):(\d+):(\d+)\)?\s*$/;
var stackFramePattern = null;
var formatStack = null;
var indentStackFrames = false;
var printWarning;
var debugging = !!(util.env("BLUEBIRD_DEBUG") != 0 &&
                        ( false ||
                         util.env("BLUEBIRD_DEBUG") ||
                         util.env("NODE_ENV") === "development"));

var warnings = !!(util.env("BLUEBIRD_WARNINGS") != 0 &&
    (debugging || util.env("BLUEBIRD_WARNINGS")));

var longStackTraces = !!(util.env("BLUEBIRD_LONG_STACK_TRACES") != 0 &&
    (debugging || util.env("BLUEBIRD_LONG_STACK_TRACES")));

var wForgottenReturn = util.env("BLUEBIRD_W_FORGOTTEN_RETURN") != 0 &&
    (warnings || !!util.env("BLUEBIRD_W_FORGOTTEN_RETURN"));

var deferUnhandledRejectionCheck;
(function() {
    var promises = [];

    function unhandledRejectionCheck() {
        for (var i = 0; i < promises.length; ++i) {
            promises[i]._notifyUnhandledRejection();
        }
        unhandledRejectionClear();
    }

    function unhandledRejectionClear() {
        promises.length = 0;
    }

    deferUnhandledRejectionCheck = function(promise) {
        promises.push(promise);
        setTimeout(unhandledRejectionCheck, 1);
    };

    es5.defineProperty(Promise, "_unhandledRejectionCheck", {
        value: unhandledRejectionCheck
    });
    es5.defineProperty(Promise, "_unhandledRejectionClear", {
        value: unhandledRejectionClear
    });
})();

Promise.prototype.suppressUnhandledRejections = function() {
    var target = this._target();
    target._bitField = ((target._bitField & (~1048576)) |
                      524288);
};

Promise.prototype._ensurePossibleRejectionHandled = function () {
    if ((this._bitField & 524288) !== 0) return;
    this._setRejectionIsUnhandled();
    deferUnhandledRejectionCheck(this);
};

Promise.prototype._notifyUnhandledRejectionIsHandled = function () {
    fireRejectionEvent("rejectionHandled",
                                  unhandledRejectionHandled, undefined, this);
};

Promise.prototype._setReturnedNonUndefined = function() {
    this._bitField = this._bitField | 268435456;
};

Promise.prototype._returnedNonUndefined = function() {
    return (this._bitField & 268435456) !== 0;
};

Promise.prototype._notifyUnhandledRejection = function () {
    if (this._isRejectionUnhandled()) {
        var reason = this._settledValue();
        this._setUnhandledRejectionIsNotified();
        fireRejectionEvent("unhandledRejection",
                                      possiblyUnhandledRejection, reason, this);
    }
};

Promise.prototype._setUnhandledRejectionIsNotified = function () {
    this._bitField = this._bitField | 262144;
};

Promise.prototype._unsetUnhandledRejectionIsNotified = function () {
    this._bitField = this._bitField & (~262144);
};