Version 1
[yaffs-website] / node_modules / bluebird / js / release / debuggability.js
diff --git a/node_modules/bluebird/js/release/debuggability.js b/node_modules/bluebird/js/release/debuggability.js
new file mode 100644 (file)
index 0000000..da5ec38
--- /dev/null
@@ -0,0 +1,824 @@
+"use strict";
+module.exports = function(Promise, Context) {
+var getDomain = Promise._getDomain;
+var async = Promise._async;
+var Warning = require("./errors").Warning;
+var util = require("./util");
+var canAttachTrace = util.canAttachTrace;
+var unhandledRejectionHandled;
+var possiblyUnhandledRejection;
+var bluebirdFramePattern =
+    /[\\\/]bluebird[\\\/]js[\\\/](release|debug|instrumented)/;
+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"));
+
+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();
+    async.invokeLater(this._notifyUnhandledRejection, this, undefined);
+};
+
+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);
+};
+
+Promise.prototype._isUnhandledRejectionNotified = function () {
+    return (this._bitField & 262144) > 0;
+};
+
+Promise.prototype._setRejectionIsUnhandled = function () {
+    this._bitField = this._bitField | 1048576;
+};
+
+Promise.prototype._unsetRejectionIsUnhandled = function () {
+    this._bitField = this._bitField & (~1048576);
+    if (this._isUnhandledRejectionNotified()) {
+        this._unsetUnhandledRejectionIsNotified();
+        this._notifyUnhandledRejectionIsHandled();
+    }
+};
+
+Promise.prototype._isRejectionUnhandled = function () {
+    return (this._bitField & 1048576) > 0;
+};
+
+Promise.prototype._warn = function(message, shouldUseOwnTrace, promise) {
+    return warn(message, shouldUseOwnTrace, promise || this);
+};
+
+Promise.onPossiblyUnhandledRejection = function (fn) {
+    var domain = getDomain();
+    possiblyUnhandledRejection =
+        typeof fn === "function" ? (domain === null ? fn : domain.bind(fn))
+                                 : undefined;
+};
+
+Promise.onUnhandledRejectionHandled = function (fn) {
+    var domain = getDomain();
+    unhandledRejectionHandled =
+        typeof fn === "function" ? (domain === null ? fn : domain.bind(fn))
+                                 : undefined;
+};
+
+var disableLongStackTraces = function() {};
+Promise.longStackTraces = function () {
+    if (async.haveItemsQueued() && !config.longStackTraces) {
+        throw new Error("cannot enable long stack traces after promises have been created\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    if (!config.longStackTraces && longStackTracesIsSupported()) {
+        var Promise_captureStackTrace = Promise.prototype._captureStackTrace;
+        var Promise_attachExtraTrace = Promise.prototype._attachExtraTrace;
+        config.longStackTraces = true;
+        disableLongStackTraces = function() {
+            if (async.haveItemsQueued() && !config.longStackTraces) {
+                throw new Error("cannot enable long stack traces after promises have been created\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+            }
+            Promise.prototype._captureStackTrace = Promise_captureStackTrace;
+            Promise.prototype._attachExtraTrace = Promise_attachExtraTrace;
+            Context.deactivateLongStackTraces();
+            async.enableTrampoline();
+            config.longStackTraces = false;
+        };
+        Promise.prototype._captureStackTrace = longStackTracesCaptureStackTrace;
+        Promise.prototype._attachExtraTrace = longStackTracesAttachExtraTrace;
+        Context.activateLongStackTraces();
+        async.disableTrampolineIfNecessary();
+    }
+};
+
+Promise.hasLongStackTraces = function () {
+    return config.longStackTraces && longStackTracesIsSupported();
+};
+
+Promise.config = function(opts) {
+    opts = Object(opts);
+    if ("longStackTraces" in opts) {
+        if (opts.longStackTraces) {
+            Promise.longStackTraces();
+        } else if (!opts.longStackTraces && Promise.hasLongStackTraces()) {
+            disableLongStackTraces();
+        }
+    }
+    if ("warnings" in opts) {
+        var warningsOption = opts.warnings;
+        config.warnings = !!warningsOption;
+        wForgottenReturn = config.warnings;
+
+        if (util.isObject(warningsOption)) {
+            if ("wForgottenReturn" in warningsOption) {
+                wForgottenReturn = !!warningsOption.wForgottenReturn;
+            }
+        }
+    }
+    if ("cancellation" in opts && opts.cancellation && !config.cancellation) {
+        if (async.haveItemsQueued()) {
+            throw new Error(
+                "cannot enable cancellation after promises are in use");
+        }
+        Promise.prototype._clearCancellationData =
+            cancellationClearCancellationData;
+        Promise.prototype._propagateFrom = cancellationPropagateFrom;
+        Promise.prototype._onCancel = cancellationOnCancel;
+        Promise.prototype._setOnCancel = cancellationSetOnCancel;
+        Promise.prototype._attachCancellationCallback =
+            cancellationAttachCancellationCallback;
+        Promise.prototype._execute = cancellationExecute;
+        propagateFromFunction = cancellationPropagateFrom;
+        config.cancellation = true;
+    }
+};
+
+Promise.prototype._execute = function(executor, resolve, reject) {
+    try {
+        executor(resolve, reject);
+    } catch (e) {
+        return e;
+    }
+};
+Promise.prototype._onCancel = function () {};
+Promise.prototype._setOnCancel = function (handler) { ; };
+Promise.prototype._attachCancellationCallback = function(onCancel) {
+    ;
+};
+Promise.prototype._captureStackTrace = function () {};
+Promise.prototype._attachExtraTrace = function () {};
+Promise.prototype._clearCancellationData = function() {};
+Promise.prototype._propagateFrom = function (parent, flags) {
+    ;
+    ;
+};
+
+function cancellationExecute(executor, resolve, reject) {
+    var promise = this;
+    try {
+        executor(resolve, reject, function(onCancel) {
+            if (typeof onCancel !== "function") {
+                throw new TypeError("onCancel must be a function, got: " +
+                                    util.toString(onCancel));
+            }
+            promise._attachCancellationCallback(onCancel);
+        });
+    } catch (e) {
+        return e;
+    }
+}
+
+function cancellationAttachCancellationCallback(onCancel) {
+    if (!this.isCancellable()) return this;
+
+    var previousOnCancel = this._onCancel();
+    if (previousOnCancel !== undefined) {
+        if (util.isArray(previousOnCancel)) {
+            previousOnCancel.push(onCancel);
+        } else {
+            this._setOnCancel([previousOnCancel, onCancel]);
+        }
+    } else {
+        this._setOnCancel(onCancel);
+    }
+}
+
+function cancellationOnCancel() {
+    return this._onCancelField;
+}
+
+function cancellationSetOnCancel(onCancel) {
+    this._onCancelField = onCancel;
+}
+
+function cancellationClearCancellationData() {
+    this._cancellationParent = undefined;
+    this._onCancelField = undefined;
+}
+
+function cancellationPropagateFrom(parent, flags) {
+    if ((flags & 1) !== 0) {
+        this._cancellationParent = parent;
+        var branchesRemainingToCancel = parent._branchesRemainingToCancel;
+        if (branchesRemainingToCancel === undefined) {
+            branchesRemainingToCancel = 0;
+        }
+        parent._branchesRemainingToCancel = branchesRemainingToCancel + 1;
+    }
+    if ((flags & 2) !== 0 && parent._isBound()) {
+        this._setBoundTo(parent._boundTo);
+    }
+}
+
+function bindingPropagateFrom(parent, flags) {
+    if ((flags & 2) !== 0 && parent._isBound()) {
+        this._setBoundTo(parent._boundTo);
+    }
+}
+var propagateFromFunction = bindingPropagateFrom;
+
+function boundValueFunction() {
+    var ret = this._boundTo;
+    if (ret !== undefined) {
+        if (ret instanceof Promise) {
+            if (ret.isFulfilled()) {
+                return ret.value();
+            } else {
+                return undefined;
+            }
+        }
+    }
+    return ret;
+}
+
+function longStackTracesCaptureStackTrace() {
+    this._trace = new CapturedTrace(this._peekContext());
+}
+
+function longStackTracesAttachExtraTrace(error, ignoreSelf) {
+    if (canAttachTrace(error)) {
+        var trace = this._trace;
+        if (trace !== undefined) {
+            if (ignoreSelf) trace = trace._parent;
+        }
+        if (trace !== undefined) {
+            trace.attachExtraTrace(error);
+        } else if (!error.__stackCleaned__) {
+            var parsed = parseStackAndMessage(error);
+            util.notEnumerableProp(error, "stack",
+                parsed.message + "\n" + parsed.stack.join("\n"));
+            util.notEnumerableProp(error, "__stackCleaned__", true);
+        }
+    }
+}
+
+function checkForgottenReturns(returnValue, promiseCreated, name, promise,
+                               parent) {
+    if (returnValue === undefined && promiseCreated !== null &&
+        wForgottenReturn) {
+        if (parent !== undefined && parent._returnedNonUndefined()) return;
+
+        if (name) name = name + " ";
+        var msg = "a promise was created in a " + name +
+            "handler but was not returned from it";
+        promise._warn(msg, true, promiseCreated);
+    }
+}
+
+function deprecated(name, replacement) {
+    var message = name +
+        " is deprecated and will be removed in a future version.";
+    if (replacement) message += " Use " + replacement + " instead.";
+    return warn(message);
+}
+
+function warn(message, shouldUseOwnTrace, promise) {
+    if (!config.warnings) return;
+    var warning = new Warning(message);
+    var ctx;
+    if (shouldUseOwnTrace) {
+        promise._attachExtraTrace(warning);
+    } else if (config.longStackTraces && (ctx = Promise._peekContext())) {
+        ctx.attachExtraTrace(warning);
+    } else {
+        var parsed = parseStackAndMessage(warning);
+        warning.stack = parsed.message + "\n" + parsed.stack.join("\n");
+    }
+    formatAndLogError(warning, "", true);
+}
+
+function reconstructStack(message, stacks) {
+    for (var i = 0; i < stacks.length - 1; ++i) {
+        stacks[i].push("From previous event:");
+        stacks[i] = stacks[i].join("\n");
+    }
+    if (i < stacks.length) {
+        stacks[i] = stacks[i].join("\n");
+    }
+    return message + "\n" + stacks.join("\n");
+}
+
+function removeDuplicateOrEmptyJumps(stacks) {
+    for (var i = 0; i < stacks.length; ++i) {
+        if (stacks[i].length === 0 ||
+            ((i + 1 < stacks.length) && stacks[i][0] === stacks[i+1][0])) {
+            stacks.splice(i, 1);
+            i--;
+        }
+    }
+}
+
+function removeCommonRoots(stacks) {
+    var current = stacks[0];
+    for (var i = 1; i < stacks.length; ++i) {
+        var prev = stacks[i];
+        var currentLastIndex = current.length - 1;
+        var currentLastLine = current[currentLastIndex];
+        var commonRootMeetPoint = -1;
+
+        for (var j = prev.length - 1; j >= 0; --j) {
+            if (prev[j] === currentLastLine) {
+                commonRootMeetPoint = j;
+                break;
+            }
+        }
+
+        for (var j = commonRootMeetPoint; j >= 0; --j) {
+            var line = prev[j];
+            if (current[currentLastIndex] === line) {
+                current.pop();
+                currentLastIndex--;
+            } else {
+                break;
+            }
+        }
+        current = prev;
+    }
+}
+
+function cleanStack(stack) {
+    var ret = [];
+    for (var i = 0; i < stack.length; ++i) {
+        var line = stack[i];
+        var isTraceLine = "    (No stack trace)" === line ||
+            stackFramePattern.test(line);
+        var isInternalFrame = isTraceLine && shouldIgnore(line);
+        if (isTraceLine && !isInternalFrame) {
+            if (indentStackFrames && line.charAt(0) !== " ") {
+                line = "    " + line;
+            }
+            ret.push(line);
+        }
+    }
+    return ret;
+}
+
+function stackFramesAsArray(error) {
+    var stack = error.stack.replace(/\s+$/g, "").split("\n");
+    for (var i = 0; i < stack.length; ++i) {
+        var line = stack[i];
+        if ("    (No stack trace)" === line || stackFramePattern.test(line)) {
+            break;
+        }
+    }
+    if (i > 0) {
+        stack = stack.slice(i);
+    }
+    return stack;
+}
+
+function parseStackAndMessage(error) {
+    var stack = error.stack;
+    var message = error.toString();
+    stack = typeof stack === "string" && stack.length > 0
+                ? stackFramesAsArray(error) : ["    (No stack trace)"];
+    return {
+        message: message,
+        stack: cleanStack(stack)
+    };
+}
+
+function formatAndLogError(error, title, isSoft) {
+    if (typeof console !== "undefined") {
+        var message;
+        if (util.isObject(error)) {
+            var stack = error.stack;
+            message = title + formatStack(stack, error);
+        } else {
+            message = title + String(error);
+        }
+        if (typeof printWarning === "function") {
+            printWarning(message, isSoft);
+        } else if (typeof console.log === "function" ||
+            typeof console.log === "object") {
+            console.log(message);
+        }
+    }
+}
+
+function fireRejectionEvent(name, localHandler, reason, promise) {
+    var localEventFired = false;
+    try {
+        if (typeof localHandler === "function") {
+            localEventFired = true;
+            if (name === "rejectionHandled") {
+                localHandler(promise);
+            } else {
+                localHandler(reason, promise);
+            }
+        }
+    } catch (e) {
+        async.throwLater(e);
+    }
+
+    var globalEventFired = false;
+    try {
+        globalEventFired = fireGlobalEvent(name, reason, promise);
+    } catch (e) {
+        globalEventFired = true;
+        async.throwLater(e);
+    }
+
+    var domEventFired = false;
+    if (fireDomEvent) {
+        try {
+            domEventFired = fireDomEvent(name.toLowerCase(), {
+                reason: reason,
+                promise: promise
+            });
+        } catch (e) {
+            domEventFired = true;
+            async.throwLater(e);
+        }
+    }
+
+    if (!globalEventFired && !localEventFired && !domEventFired &&
+        name === "unhandledRejection") {
+        formatAndLogError(reason, "Unhandled rejection ");
+    }
+}
+
+function formatNonError(obj) {
+    var str;
+    if (typeof obj === "function") {
+        str = "[function " +
+            (obj.name || "anonymous") +
+            "]";
+    } else {
+        str = obj && typeof obj.toString === "function"
+            ? obj.toString() : util.toString(obj);
+        var ruselessToString = /\[object [a-zA-Z0-9$_]+\]/;
+        if (ruselessToString.test(str)) {
+            try {
+                var newStr = JSON.stringify(obj);
+                str = newStr;
+            }
+            catch(e) {
+
+            }
+        }
+        if (str.length === 0) {
+            str = "(empty array)";
+        }
+    }
+    return ("(<" + snip(str) + ">, no stack trace)");
+}
+
+function snip(str) {
+    var maxChars = 41;
+    if (str.length < maxChars) {
+        return str;
+    }
+    return str.substr(0, maxChars - 3) + "...";
+}
+
+function longStackTracesIsSupported() {
+    return typeof captureStackTrace === "function";
+}
+
+var shouldIgnore = function() { return false; };
+var parseLineInfoRegex = /[\/<\(]([^:\/]+):(\d+):(?:\d+)\)?\s*$/;
+function parseLineInfo(line) {
+    var matches = line.match(parseLineInfoRegex);
+    if (matches) {
+        return {
+            fileName: matches[1],
+            line: parseInt(matches[2], 10)
+        };
+    }
+}
+
+function setBounds(firstLineError, lastLineError) {
+    if (!longStackTracesIsSupported()) return;
+    var firstStackLines = firstLineError.stack.split("\n");
+    var lastStackLines = lastLineError.stack.split("\n");
+    var firstIndex = -1;
+    var lastIndex = -1;
+    var firstFileName;
+    var lastFileName;
+    for (var i = 0; i < firstStackLines.length; ++i) {
+        var result = parseLineInfo(firstStackLines[i]);
+        if (result) {
+            firstFileName = result.fileName;
+            firstIndex = result.line;
+            break;
+        }
+    }
+    for (var i = 0; i < lastStackLines.length; ++i) {
+        var result = parseLineInfo(lastStackLines[i]);
+        if (result) {
+            lastFileName = result.fileName;
+            lastIndex = result.line;
+            break;
+        }
+    }
+    if (firstIndex < 0 || lastIndex < 0 || !firstFileName || !lastFileName ||
+        firstFileName !== lastFileName || firstIndex >= lastIndex) {
+        return;
+    }
+
+    shouldIgnore = function(line) {
+        if (bluebirdFramePattern.test(line)) return true;
+        var info = parseLineInfo(line);
+        if (info) {
+            if (info.fileName === firstFileName &&
+                (firstIndex <= info.line && info.line <= lastIndex)) {
+                return true;
+            }
+        }
+        return false;
+    };
+}
+
+function CapturedTrace(parent) {
+    this._parent = parent;
+    this._promisesCreated = 0;
+    var length = this._length = 1 + (parent === undefined ? 0 : parent._length);
+    captureStackTrace(this, CapturedTrace);
+    if (length > 32) this.uncycle();
+}
+util.inherits(CapturedTrace, Error);
+Context.CapturedTrace = CapturedTrace;
+
+CapturedTrace.prototype.uncycle = function() {
+    var length = this._length;
+    if (length < 2) return;
+    var nodes = [];
+    var stackToIndex = {};
+
+    for (var i = 0, node = this; node !== undefined; ++i) {
+        nodes.push(node);
+        node = node._parent;
+    }
+    length = this._length = i;
+    for (var i = length - 1; i >= 0; --i) {
+        var stack = nodes[i].stack;
+        if (stackToIndex[stack] === undefined) {
+            stackToIndex[stack] = i;
+        }
+    }
+    for (var i = 0; i < length; ++i) {
+        var currentStack = nodes[i].stack;
+        var index = stackToIndex[currentStack];
+        if (index !== undefined && index !== i) {
+            if (index > 0) {
+                nodes[index - 1]._parent = undefined;
+                nodes[index - 1]._length = 1;
+            }
+            nodes[i]._parent = undefined;
+            nodes[i]._length = 1;
+            var cycleEdgeNode = i > 0 ? nodes[i - 1] : this;
+
+            if (index < length - 1) {
+                cycleEdgeNode._parent = nodes[index + 1];
+                cycleEdgeNode._parent.uncycle();
+                cycleEdgeNode._length =
+                    cycleEdgeNode._parent._length + 1;
+            } else {
+                cycleEdgeNode._parent = undefined;
+                cycleEdgeNode._length = 1;
+            }
+            var currentChildLength = cycleEdgeNode._length + 1;
+            for (var j = i - 2; j >= 0; --j) {
+                nodes[j]._length = currentChildLength;
+                currentChildLength++;
+            }
+            return;
+        }
+    }
+};
+
+CapturedTrace.prototype.attachExtraTrace = function(error) {
+    if (error.__stackCleaned__) return;
+    this.uncycle();
+    var parsed = parseStackAndMessage(error);
+    var message = parsed.message;
+    var stacks = [parsed.stack];
+
+    var trace = this;
+    while (trace !== undefined) {
+        stacks.push(cleanStack(trace.stack.split("\n")));
+        trace = trace._parent;
+    }
+    removeCommonRoots(stacks);
+    removeDuplicateOrEmptyJumps(stacks);
+    util.notEnumerableProp(error, "stack", reconstructStack(message, stacks));
+    util.notEnumerableProp(error, "__stackCleaned__", true);
+};
+
+var captureStackTrace = (function stackDetection() {
+    var v8stackFramePattern = /^\s*at\s*/;
+    var v8stackFormatter = function(stack, error) {
+        if (typeof stack === "string") return stack;
+
+        if (error.name !== undefined &&
+            error.message !== undefined) {
+            return error.toString();
+        }
+        return formatNonError(error);
+    };
+
+    if (typeof Error.stackTraceLimit === "number" &&
+        typeof Error.captureStackTrace === "function") {
+        Error.stackTraceLimit += 6;
+        stackFramePattern = v8stackFramePattern;
+        formatStack = v8stackFormatter;
+        var captureStackTrace = Error.captureStackTrace;
+
+        shouldIgnore = function(line) {
+            return bluebirdFramePattern.test(line);
+        };
+        return function(receiver, ignoreUntil) {
+            Error.stackTraceLimit += 6;
+            captureStackTrace(receiver, ignoreUntil);
+            Error.stackTraceLimit -= 6;
+        };
+    }
+    var err = new Error();
+
+    if (typeof err.stack === "string" &&
+        err.stack.split("\n")[0].indexOf("stackDetection@") >= 0) {
+        stackFramePattern = /@/;
+        formatStack = v8stackFormatter;
+        indentStackFrames = true;
+        return function captureStackTrace(o) {
+            o.stack = new Error().stack;
+        };
+    }
+
+    var hasStackAfterThrow;
+    try { throw new Error(); }
+    catch(e) {
+        hasStackAfterThrow = ("stack" in e);
+    }
+    if (!("stack" in err) && hasStackAfterThrow &&
+        typeof Error.stackTraceLimit === "number") {
+        stackFramePattern = v8stackFramePattern;
+        formatStack = v8stackFormatter;
+        return function captureStackTrace(o) {
+            Error.stackTraceLimit += 6;
+            try { throw new Error(); }
+            catch(e) { o.stack = e.stack; }
+            Error.stackTraceLimit -= 6;
+        };
+    }
+
+    formatStack = function(stack, error) {
+        if (typeof stack === "string") return stack;
+
+        if ((typeof error === "object" ||
+            typeof error === "function") &&
+            error.name !== undefined &&
+            error.message !== undefined) {
+            return error.toString();
+        }
+        return formatNonError(error);
+    };
+
+    return null;
+
+})([]);
+
+var fireDomEvent;
+var fireGlobalEvent = (function() {
+    if (util.isNode) {
+        return function(name, reason, promise) {
+            if (name === "rejectionHandled") {
+                return process.emit(name, promise);
+            } else {
+                return process.emit(name, reason, promise);
+            }
+        };
+    } else {
+        var globalObject = typeof self !== "undefined" ? self :
+                     typeof window !== "undefined" ? window :
+                     typeof global !== "undefined" ? global :
+                     this !== undefined ? this : null;
+
+        if (!globalObject) {
+            return function() {
+                return false;
+            };
+        }
+
+        try {
+            var event = document.createEvent("CustomEvent");
+            event.initCustomEvent("testingtheevent", false, true, {});
+            globalObject.dispatchEvent(event);
+            fireDomEvent = function(type, detail) {
+                var event = document.createEvent("CustomEvent");
+                event.initCustomEvent(type, false, true, detail);
+                return !globalObject.dispatchEvent(event);
+            };
+        } catch (e) {}
+
+        var toWindowMethodNameMap = {};
+        toWindowMethodNameMap["unhandledRejection"] = ("on" +
+            "unhandledRejection").toLowerCase();
+        toWindowMethodNameMap["rejectionHandled"] = ("on" +
+            "rejectionHandled").toLowerCase();
+
+        return function(name, reason, promise) {
+            var methodName = toWindowMethodNameMap[name];
+            var method = globalObject[methodName];
+            if (!method) return false;
+            if (name === "rejectionHandled") {
+                method.call(globalObject, promise);
+            } else {
+                method.call(globalObject, reason, promise);
+            }
+            return true;
+        };
+    }
+})();
+
+if (typeof console !== "undefined" && typeof console.warn !== "undefined") {
+    printWarning = function (message) {
+        console.warn(message);
+    };
+    if (util.isNode && process.stderr.isTTY) {
+        printWarning = function(message, isSoft) {
+            var color = isSoft ? "\u001b[33m" : "\u001b[31m";
+            console.warn(color + message + "\u001b[0m\n");
+        };
+    } else if (!util.isNode && typeof (new Error().stack) === "string") {
+        printWarning = function(message, isSoft) {
+            console.warn("%c" + message,
+                        isSoft ? "color: darkorange" : "color: red");
+        };
+    }
+}
+
+var config = {
+    warnings: warnings,
+    longStackTraces: false,
+    cancellation: false
+};
+
+if (longStackTraces) Promise.longStackTraces();
+
+return {
+    longStackTraces: function() {
+        return config.longStackTraces;
+    },
+    warnings: function() {
+        return config.warnings;
+    },
+    cancellation: function() {
+        return config.cancellation;
+    },
+    propagateFromFunction: function() {
+        return propagateFromFunction;
+    },
+    boundValueFunction: function() {
+        return boundValueFunction;
+    },
+    checkForgottenReturns: checkForgottenReturns,
+    setBounds: setBounds,
+    warn: warn,
+    deprecated: deprecated,
+    CapturedTrace: CapturedTrace
+};
+};