thedesk/app/node_modules/bluebird/js/release/debuggability.js

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2019-09-13 00:38:13 +10:00
"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 es5 = require("./es5");
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"));
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();
var self = this;
setTimeout(function() {
self._notifyUnhandledRejection();
}, 1);
};
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 : util.domainBind(domain, fn))
: undefined;
};
Promise.onUnhandledRejectionHandled = function (fn) {
var domain = getDomain();
unhandledRejectionHandled =
typeof fn === "function" ? (domain === null ?
fn : util.domainBind(domain, 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;
var Promise_dereferenceTrace = Promise.prototype._dereferenceTrace;
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;
Promise.prototype._dereferenceTrace = Promise_dereferenceTrace;
Context.deactivateLongStackTraces();
async.enableTrampoline();
config.longStackTraces = false;
};
Promise.prototype._captureStackTrace = longStackTracesCaptureStackTrace;
Promise.prototype._attachExtraTrace = longStackTracesAttachExtraTrace;
Promise.prototype._dereferenceTrace = longStackTracesDereferenceTrace;
Context.activateLongStackTraces();
async.disableTrampolineIfNecessary();
}
};
Promise.hasLongStackTraces = function () {
return config.longStackTraces && longStackTracesIsSupported();
};
var fireDomEvent = (function() {
try {
if (typeof CustomEvent === "function") {
var event = new CustomEvent("CustomEvent");
util.global.dispatchEvent(event);
return function(name, event) {
var eventData = {
detail: event,
cancelable: true
};
es5.defineProperty(
eventData, "promise", {value: event.promise});
es5.defineProperty(eventData, "reason", {value: event.reason});
var domEvent = new CustomEvent(name.toLowerCase(), eventData);
return !util.global.dispatchEvent(domEvent);
};
} else if (typeof Event === "function") {
var event = new Event("CustomEvent");
util.global.dispatchEvent(event);
return function(name, event) {
var domEvent = new Event(name.toLowerCase(), {
cancelable: true
});
domEvent.detail = event;
es5.defineProperty(domEvent, "promise", {value: event.promise});
es5.defineProperty(domEvent, "reason", {value: event.reason});
return !util.global.dispatchEvent(domEvent);
};
} else {
var event = document.createEvent("CustomEvent");
event.initCustomEvent("testingtheevent", false, true, {});
util.global.dispatchEvent(event);
return function(name, event) {
var domEvent = document.createEvent("CustomEvent");
domEvent.initCustomEvent(name.toLowerCase(), false, true,
event);
return !util.global.dispatchEvent(domEvent);
};
}
} catch (e) {}
return function() {
return false;
};
})();
var fireGlobalEvent = (function() {
if (util.isNode) {
return function() {
return process.emit.apply(process, arguments);
};
} else {
if (!util.global) {
return function() {
return false;
};
}
return function(name) {
var methodName = "on" + name.toLowerCase();
var method = util.global[methodName];
if (!method) return false;
method.apply(util.global, [].slice.call(arguments, 1));
return true;
};
}
})();
function generatePromiseLifecycleEventObject(name, promise) {
return {promise: promise};
}
var eventToObjectGenerator = {
promiseCreated: generatePromiseLifecycleEventObject,
promiseFulfilled: generatePromiseLifecycleEventObject,
promiseRejected: generatePromiseLifecycleEventObject,
promiseResolved: generatePromiseLifecycleEventObject,
promiseCancelled: generatePromiseLifecycleEventObject,
promiseChained: function(name, promise, child) {
return {promise: promise, child: child};
},
warning: function(name, warning) {
return {warning: warning};
},
unhandledRejection: function (name, reason, promise) {
return {reason: reason, promise: promise};
},
rejectionHandled: generatePromiseLifecycleEventObject
};
var activeFireEvent = function (name) {
var globalEventFired = false;
try {
globalEventFired = fireGlobalEvent.apply(null, arguments);
} catch (e) {
async.throwLater(e);
globalEventFired = true;
}
var domEventFired = false;
try {
domEventFired = fireDomEvent(name,
eventToObjectGenerator[name].apply(null, arguments));
} catch (e) {
async.throwLater(e);
domEventFired = true;
}
return domEventFired || globalEventFired;
};
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;
}
if ("monitoring" in opts) {
if (opts.monitoring && !config.monitoring) {
config.monitoring = true;
Promise.prototype._fireEvent = activeFireEvent;
} else if (!opts.monitoring && config.monitoring) {
config.monitoring = false;
Promise.prototype._fireEvent = defaultFireEvent;
}
}
return Promise;
};
function defaultFireEvent() { return false; }
Promise.prototype._fireEvent = defaultFireEvent;
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._dereferenceTrace = 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 longStackTracesDereferenceTrace() {
this._trace = undefined;
}
function checkForgottenReturns(returnValue, promiseCreated, name, promise,
parent) {
if (returnValue === undefined && promiseCreated !== null &&
wForgottenReturn) {
if (parent !== undefined && parent._returnedNonUndefined()) return;
if ((promise._bitField & 65535) === 0) return;
if (name) name = name + " ";
var handlerLine = "";
var creatorLine = "";
if (promiseCreated._trace) {
var traceLines = promiseCreated._trace.stack.split("\n");
var stack = cleanStack(traceLines);
for (var i = stack.length - 1; i >= 0; --i) {
var line = stack[i];
if (!nodeFramePattern.test(line)) {
var lineMatches = line.match(parseLinePattern);
if (lineMatches) {
handlerLine = "at " + lineMatches[1] +
":" + lineMatches[2] + ":" + lineMatches[3] + " ";
}
break;
}
}
if (stack.length > 0) {
var firstUserLine = stack[0];
for (var i = 0; i < traceLines.length; ++i) {
if (traceLines[i] === firstUserLine) {
if (i > 0) {
creatorLine = "\n" + traceLines[i - 1];
}
break;
}
}
}
}
var msg = "a promise was created in a " + name +
"handler " + handlerLine + "but was not returned from it, " +
"see http://goo.gl/rRqMUw" +
creatorLine;
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");
}
if (!activeFireEvent("warning", warning)) {
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 && error.name != "SyntaxError") {
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: error.name == "SyntaxError" ? 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);
}
if (name === "unhandledRejection") {
if (!activeFireEvent(name, reason, promise) && !localEventFired) {
formatAndLogError(reason, "Unhandled rejection ");
}
} else {
activeFireEvent(name, promise);
}
}
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;
})([]);
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,
monitoring: false
};
if (longStackTraces) Promise.longStackTraces();
return {
longStackTraces: function() {
return config.longStackTraces;
},
warnings: function() {
return config.warnings;
},
cancellation: function() {
return config.cancellation;
},
monitoring: function() {
return config.monitoring;
},
propagateFromFunction: function() {
return propagateFromFunction;
},
boundValueFunction: function() {
return boundValueFunction;
},
checkForgottenReturns: checkForgottenReturns,
setBounds: setBounds,
warn: warn,
deprecated: deprecated,
CapturedTrace: CapturedTrace,
fireDomEvent: fireDomEvent,
fireGlobalEvent: fireGlobalEvent
};
};