zone.js
Version:
Zones for JavaScript
2,159 lines • 91.8 kB
JavaScript
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory() :
typeof define === 'function' && define.amd ? define(factory) :
(factory());
}(this, (function () { 'use strict';
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var Zone$1 = (function (global) {
var FUNCTION = 'function';
var performance = global['performance'];
function mark(name) {
performance && performance['mark'] && performance['mark'](name);
}
function performanceMeasure(name, label) {
performance && performance['measure'] && performance['measure'](name, label);
}
mark('Zone');
if (global['Zone']) {
throw new Error('Zone already loaded.');
}
var Zone = (function () {
function Zone(parent, zoneSpec) {
this._properties = null;
this._parent = parent;
this._name = zoneSpec ? zoneSpec.name || 'unnamed' : '<root>';
this._properties = zoneSpec && zoneSpec.properties || {};
this._zoneDelegate =
new ZoneDelegate(this, this._parent && this._parent._zoneDelegate, zoneSpec);
}
Zone.assertZonePatched = function () {
if (global['Promise'] !== patches['ZoneAwarePromise']) {
throw new Error('Zone.js has detected that ZoneAwarePromise `(window|global).Promise` ' +
'has been overwritten.\n' +
'Most likely cause is that a Promise polyfill has been loaded ' +
'after Zone.js (Polyfilling Promise api is not necessary when zone.js is loaded. ' +
'If you must load one, do so before loading zone.js.)');
}
};
Object.defineProperty(Zone, "root", {
get: function () {
var zone = Zone.current;
while (zone.parent) {
zone = zone.parent;
}
return zone;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Zone, "current", {
get: function () {
return _currentZoneFrame.zone;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Zone, "currentTask", {
get: function () {
return _currentTask;
},
enumerable: true,
configurable: true
});
Zone.__load_patch = function (name, fn) {
if (patches.hasOwnProperty(name)) {
throw Error('Already loaded patch: ' + name);
}
else if (!global['__Zone_disable_' + name]) {
var perfName = 'Zone:' + name;
mark(perfName);
patches[name] = fn(global, Zone, _api);
performanceMeasure(perfName, perfName);
}
};
Object.defineProperty(Zone.prototype, "parent", {
get: function () {
return this._parent;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Zone.prototype, "name", {
get: function () {
return this._name;
},
enumerable: true,
configurable: true
});
Zone.prototype.get = function (key) {
var zone = this.getZoneWith(key);
if (zone)
return zone._properties[key];
};
Zone.prototype.getZoneWith = function (key) {
var current = this;
while (current) {
if (current._properties.hasOwnProperty(key)) {
return current;
}
current = current._parent;
}
return null;
};
Zone.prototype.fork = function (zoneSpec) {
if (!zoneSpec)
throw new Error('ZoneSpec required!');
return this._zoneDelegate.fork(this, zoneSpec);
};
Zone.prototype.wrap = function (callback, source) {
if (typeof callback !== FUNCTION) {
throw new Error('Expecting function got: ' + callback);
}
var _callback = this._zoneDelegate.intercept(this, callback, source);
var zone = this;
return function () {
return zone.runGuarded(_callback, this, arguments, source);
};
};
Zone.prototype.run = function (callback, applyThis, applyArgs, source) {
if (applyThis === void 0) { applyThis = undefined; }
if (applyArgs === void 0) { applyArgs = null; }
if (source === void 0) { source = null; }
_currentZoneFrame = { parent: _currentZoneFrame, zone: this };
try {
return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);
}
finally {
_currentZoneFrame = _currentZoneFrame.parent;
}
};
Zone.prototype.runGuarded = function (callback, applyThis, applyArgs, source) {
if (applyThis === void 0) { applyThis = null; }
if (applyArgs === void 0) { applyArgs = null; }
if (source === void 0) { source = null; }
_currentZoneFrame = { parent: _currentZoneFrame, zone: this };
try {
try {
return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);
}
catch (error) {
if (this._zoneDelegate.handleError(this, error)) {
throw error;
}
}
}
finally {
_currentZoneFrame = _currentZoneFrame.parent;
}
};
Zone.prototype.runTask = function (task, applyThis, applyArgs) {
if (task.zone != this) {
throw new Error('A task can only be run in the zone of creation! (Creation: ' +
(task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')');
}
// https://github.com/angular/zone.js/issues/778, sometimes eventTask
// will run in notScheduled(canceled) state, we should not try to
// run such kind of task but just return
// we have to define an variable here, if not
// typescript compiler will complain below
var isNotScheduled = task.state === notScheduled;
if (isNotScheduled && task.type === eventTask) {
return;
}
var reEntryGuard = task.state != running;
reEntryGuard && task._transitionTo(running, scheduled);
task.runCount++;
var previousTask = _currentTask;
_currentTask = task;
_currentZoneFrame = { parent: _currentZoneFrame, zone: this };
try {
if (task.type == macroTask && task.data && !task.data.isPeriodic) {
task.cancelFn = null;
}
try {
return this._zoneDelegate.invokeTask(this, task, applyThis, applyArgs);
}
catch (error) {
if (this._zoneDelegate.handleError(this, error)) {
throw error;
}
}
}
finally {
// if the task's state is notScheduled or unknown, then it has already been cancelled
// we should not reset the state to scheduled
if (task.state !== notScheduled && task.state !== unknown) {
if (task.type == eventTask || (task.data && task.data.isPeriodic)) {
reEntryGuard && task._transitionTo(scheduled, running);
}
else {
task.runCount = 0;
this._updateTaskCount(task, -1);
reEntryGuard &&
task._transitionTo(notScheduled, running, notScheduled);
}
}
_currentZoneFrame = _currentZoneFrame.parent;
_currentTask = previousTask;
}
};
Zone.prototype.scheduleTask = function (task) {
if (task.zone && task.zone !== this) {
// check if the task was rescheduled, the newZone
// should not be the children of the original zone
var newZone = this;
while (newZone) {
if (newZone === task.zone) {
throw Error("can not reschedule task to " + this
.name + " which is descendants of the original zone " + task.zone.name);
}
newZone = newZone.parent;
}
}
task._transitionTo(scheduling, notScheduled);
var zoneDelegates = [];
task._zoneDelegates = zoneDelegates;
task._zone = this;
try {
task = this._zoneDelegate.scheduleTask(this, task);
}
catch (err) {
// should set task's state to unknown when scheduleTask throw error
// because the err may from reschedule, so the fromState maybe notScheduled
task._transitionTo(unknown, scheduling, notScheduled);
// TODO: @JiaLiPassion, should we check the result from handleError?
this._zoneDelegate.handleError(this, err);
throw err;
}
if (task._zoneDelegates === zoneDelegates) {
// we have to check because internally the delegate can reschedule the task.
this._updateTaskCount(task, 1);
}
if (task.state == scheduling) {
task._transitionTo(scheduled, scheduling);
}
return task;
};
Zone.prototype.scheduleMicroTask = function (source, callback, data, customSchedule) {
return this.scheduleTask(new ZoneTask(microTask, source, callback, data, customSchedule, null));
};
Zone.prototype.scheduleMacroTask = function (source, callback, data, customSchedule, customCancel) {
return this.scheduleTask(new ZoneTask(macroTask, source, callback, data, customSchedule, customCancel));
};
Zone.prototype.scheduleEventTask = function (source, callback, data, customSchedule, customCancel) {
return this.scheduleTask(new ZoneTask(eventTask, source, callback, data, customSchedule, customCancel));
};
Zone.prototype.cancelTask = function (task) {
if (task.zone != this)
throw new Error('A task can only be cancelled in the zone of creation! (Creation: ' +
(task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')');
task._transitionTo(canceling, scheduled, running);
try {
this._zoneDelegate.cancelTask(this, task);
}
catch (err) {
// if error occurs when cancelTask, transit the state to unknown
task._transitionTo(unknown, canceling);
this._zoneDelegate.handleError(this, err);
throw err;
}
this._updateTaskCount(task, -1);
task._transitionTo(notScheduled, canceling);
task.runCount = 0;
return task;
};
Zone.prototype._updateTaskCount = function (task, count) {
var zoneDelegates = task._zoneDelegates;
if (count == -1) {
task._zoneDelegates = null;
}
for (var i = 0; i < zoneDelegates.length; i++) {
zoneDelegates[i]._updateTaskCount(task.type, count);
}
};
return Zone;
}());
Zone.__symbol__ = __symbol__;
var DELEGATE_ZS = {
name: '',
onHasTask: function (delegate, _, target, hasTaskState) {
return delegate.hasTask(target, hasTaskState);
},
onScheduleTask: function (delegate, _, target, task) {
return delegate.scheduleTask(target, task);
},
onInvokeTask: function (delegate, _, target, task, applyThis, applyArgs) { return delegate.invokeTask(target, task, applyThis, applyArgs); },
onCancelTask: function (delegate, _, target, task) {
return delegate.cancelTask(target, task);
}
};
var ZoneDelegate = (function () {
function ZoneDelegate(zone, parentDelegate, zoneSpec) {
this._taskCounts = { 'microTask': 0, 'macroTask': 0, 'eventTask': 0 };
this.zone = zone;
this._parentDelegate = parentDelegate;
this._forkZS = zoneSpec && (zoneSpec && zoneSpec.onFork ? zoneSpec : parentDelegate._forkZS);
this._forkDlgt = zoneSpec && (zoneSpec.onFork ? parentDelegate : parentDelegate._forkDlgt);
this._forkCurrZone = zoneSpec && (zoneSpec.onFork ? this.zone : parentDelegate.zone);
this._interceptZS =
zoneSpec && (zoneSpec.onIntercept ? zoneSpec : parentDelegate._interceptZS);
this._interceptDlgt =
zoneSpec && (zoneSpec.onIntercept ? parentDelegate : parentDelegate._interceptDlgt);
this._interceptCurrZone =
zoneSpec && (zoneSpec.onIntercept ? this.zone : parentDelegate.zone);
this._invokeZS = zoneSpec && (zoneSpec.onInvoke ? zoneSpec : parentDelegate._invokeZS);
this._invokeDlgt =
zoneSpec && (zoneSpec.onInvoke ? parentDelegate : parentDelegate._invokeDlgt);
this._invokeCurrZone = zoneSpec && (zoneSpec.onInvoke ? this.zone : parentDelegate.zone);
this._handleErrorZS =
zoneSpec && (zoneSpec.onHandleError ? zoneSpec : parentDelegate._handleErrorZS);
this._handleErrorDlgt =
zoneSpec && (zoneSpec.onHandleError ? parentDelegate : parentDelegate._handleErrorDlgt);
this._handleErrorCurrZone =
zoneSpec && (zoneSpec.onHandleError ? this.zone : parentDelegate.zone);
this._scheduleTaskZS =
zoneSpec && (zoneSpec.onScheduleTask ? zoneSpec : parentDelegate._scheduleTaskZS);
this._scheduleTaskDlgt =
zoneSpec && (zoneSpec.onScheduleTask ? parentDelegate : parentDelegate._scheduleTaskDlgt);
this._scheduleTaskCurrZone =
zoneSpec && (zoneSpec.onScheduleTask ? this.zone : parentDelegate.zone);
this._invokeTaskZS =
zoneSpec && (zoneSpec.onInvokeTask ? zoneSpec : parentDelegate._invokeTaskZS);
this._invokeTaskDlgt =
zoneSpec && (zoneSpec.onInvokeTask ? parentDelegate : parentDelegate._invokeTaskDlgt);
this._invokeTaskCurrZone =
zoneSpec && (zoneSpec.onInvokeTask ? this.zone : parentDelegate.zone);
this._cancelTaskZS =
zoneSpec && (zoneSpec.onCancelTask ? zoneSpec : parentDelegate._cancelTaskZS);
this._cancelTaskDlgt =
zoneSpec && (zoneSpec.onCancelTask ? parentDelegate : parentDelegate._cancelTaskDlgt);
this._cancelTaskCurrZone =
zoneSpec && (zoneSpec.onCancelTask ? this.zone : parentDelegate.zone);
this._hasTaskZS = null;
this._hasTaskDlgt = null;
this._hasTaskDlgtOwner = null;
this._hasTaskCurrZone = null;
var zoneSpecHasTask = zoneSpec && zoneSpec.onHasTask;
var parentHasTask = parentDelegate && parentDelegate._hasTaskZS;
if (zoneSpecHasTask || parentHasTask) {
// If we need to report hasTask, than this ZS needs to do ref counting on tasks. In such
// a case all task related interceptors must go through this ZD. We can't short circuit it.
this._hasTaskZS = zoneSpecHasTask ? zoneSpec : DELEGATE_ZS;
this._hasTaskDlgt = parentDelegate;
this._hasTaskDlgtOwner = this;
this._hasTaskCurrZone = zone;
if (!zoneSpec.onScheduleTask) {
this._scheduleTaskZS = DELEGATE_ZS;
this._scheduleTaskDlgt = parentDelegate;
this._scheduleTaskCurrZone = this.zone;
}
if (!zoneSpec.onInvokeTask) {
this._invokeTaskZS = DELEGATE_ZS;
this._invokeTaskDlgt = parentDelegate;
this._invokeTaskCurrZone = this.zone;
}
if (!zoneSpec.onCancelTask) {
this._cancelTaskZS = DELEGATE_ZS;
this._cancelTaskDlgt = parentDelegate;
this._cancelTaskCurrZone = this.zone;
}
}
}
ZoneDelegate.prototype.fork = function (targetZone, zoneSpec) {
return this._forkZS ? this._forkZS.onFork(this._forkDlgt, this.zone, targetZone, zoneSpec) :
new Zone(targetZone, zoneSpec);
};
ZoneDelegate.prototype.intercept = function (targetZone, callback, source) {
return this._interceptZS ?
this._interceptZS.onIntercept(this._interceptDlgt, this._interceptCurrZone, targetZone, callback, source) :
callback;
};
ZoneDelegate.prototype.invoke = function (targetZone, callback, applyThis, applyArgs, source) {
return this._invokeZS ?
this._invokeZS.onInvoke(this._invokeDlgt, this._invokeCurrZone, targetZone, callback, applyThis, applyArgs, source) :
callback.apply(applyThis, applyArgs);
};
ZoneDelegate.prototype.handleError = function (targetZone, error) {
return this._handleErrorZS ?
this._handleErrorZS.onHandleError(this._handleErrorDlgt, this._handleErrorCurrZone, targetZone, error) :
true;
};
ZoneDelegate.prototype.scheduleTask = function (targetZone, task) {
var returnTask = task;
if (this._scheduleTaskZS) {
if (this._hasTaskZS) {
returnTask._zoneDelegates.push(this._hasTaskDlgtOwner);
}
returnTask = this._scheduleTaskZS.onScheduleTask(this._scheduleTaskDlgt, this._scheduleTaskCurrZone, targetZone, task);
if (!returnTask)
returnTask = task;
}
else {
if (task.scheduleFn) {
task.scheduleFn(task);
}
else if (task.type == microTask) {
scheduleMicroTask(task);
}
else {
throw new Error('Task is missing scheduleFn.');
}
}
return returnTask;
};
ZoneDelegate.prototype.invokeTask = function (targetZone, task, applyThis, applyArgs) {
return this._invokeTaskZS ?
this._invokeTaskZS.onInvokeTask(this._invokeTaskDlgt, this._invokeTaskCurrZone, targetZone, task, applyThis, applyArgs) :
task.callback.apply(applyThis, applyArgs);
};
ZoneDelegate.prototype.cancelTask = function (targetZone, task) {
var value;
if (this._cancelTaskZS) {
value = this._cancelTaskZS.onCancelTask(this._cancelTaskDlgt, this._cancelTaskCurrZone, targetZone, task);
}
else {
if (!task.cancelFn) {
throw Error('Task is not cancelable');
}
value = task.cancelFn(task);
}
return value;
};
ZoneDelegate.prototype.hasTask = function (targetZone, isEmpty) {
// hasTask should not throw error so other ZoneDelegate
// can still trigger hasTask callback
try {
return this._hasTaskZS &&
this._hasTaskZS.onHasTask(this._hasTaskDlgt, this._hasTaskCurrZone, targetZone, isEmpty);
}
catch (err) {
this.handleError(targetZone, err);
}
};
ZoneDelegate.prototype._updateTaskCount = function (type, count) {
var counts = this._taskCounts;
var prev = counts[type];
var next = counts[type] = prev + count;
if (next < 0) {
throw new Error('More tasks executed then were scheduled.');
}
if (prev == 0 || next == 0) {
var isEmpty = {
microTask: counts['microTask'] > 0,
macroTask: counts['macroTask'] > 0,
eventTask: counts['eventTask'] > 0,
change: type
};
this.hasTask(this.zone, isEmpty);
}
};
return ZoneDelegate;
}());
var ZoneTask = (function () {
function ZoneTask(type, source, callback, options, scheduleFn, cancelFn) {
this._zone = null;
this.runCount = 0;
this._zoneDelegates = null;
this._state = 'notScheduled';
this.type = type;
this.source = source;
this.data = options;
this.scheduleFn = scheduleFn;
this.cancelFn = cancelFn;
this.callback = callback;
var self = this;
if (type === eventTask && options && options.isUsingGlobalCallback) {
this.invoke = ZoneTask.invokeTask;
}
else {
this.invoke = function () {
return ZoneTask.invokeTask.apply(global, [self, this, arguments]);
};
}
}
ZoneTask.invokeTask = function (task, target, args) {
if (!task) {
task = this;
}
_numberOfNestedTaskFrames++;
try {
task.runCount++;
return task.zone.runTask(task, target, args);
}
finally {
if (_numberOfNestedTaskFrames == 1) {
drainMicroTaskQueue();
}
_numberOfNestedTaskFrames--;
}
};
Object.defineProperty(ZoneTask.prototype, "zone", {
get: function () {
return this._zone;
},
enumerable: true,
configurable: true
});
Object.defineProperty(ZoneTask.prototype, "state", {
get: function () {
return this._state;
},
enumerable: true,
configurable: true
});
ZoneTask.prototype.cancelScheduleRequest = function () {
this._transitionTo(notScheduled, scheduling);
};
ZoneTask.prototype._transitionTo = function (toState, fromState1, fromState2) {
if (this._state === fromState1 || this._state === fromState2) {
this._state = toState;
if (toState == notScheduled) {
this._zoneDelegates = null;
}
}
else {
throw new Error(this.type + " '" + this.source + "': can not transition to '" + toState + "', expecting state '" + fromState1 + "'" + (fromState2 ?
' or \'' + fromState2 + '\'' :
'') + ", was '" + this._state + "'.");
}
};
ZoneTask.prototype.toString = function () {
if (this.data && typeof this.data.handleId !== 'undefined') {
return this.data.handleId;
}
else {
return Object.prototype.toString.call(this);
}
};
// add toJSON method to prevent cyclic error when
// call JSON.stringify(zoneTask)
ZoneTask.prototype.toJSON = function () {
return {
type: this.type,
state: this.state,
source: this.source,
zone: this.zone.name,
invoke: this.invoke,
scheduleFn: this.scheduleFn,
cancelFn: this.cancelFn,
runCount: this.runCount,
callback: this.callback
};
};
return ZoneTask;
}());
//////////////////////////////////////////////////////
//////////////////////////////////////////////////////
/// MICROTASK QUEUE
//////////////////////////////////////////////////////
//////////////////////////////////////////////////////
var symbolSetTimeout = __symbol__('setTimeout');
var symbolPromise = __symbol__('Promise');
var symbolThen = __symbol__('then');
var _microTaskQueue = [];
var _isDrainingMicrotaskQueue = false;
var nativeMicroTaskQueuePromise;
function scheduleMicroTask(task) {
// if we are not running in any task, and there has not been anything scheduled
// we must bootstrap the initial task creation by manually scheduling the drain
if (_numberOfNestedTaskFrames === 0 && _microTaskQueue.length === 0) {
// We are not running in Task, so we need to kickstart the microtask queue.
if (!nativeMicroTaskQueuePromise) {
if (global[symbolPromise]) {
nativeMicroTaskQueuePromise = global[symbolPromise].resolve(0);
}
}
if (nativeMicroTaskQueuePromise) {
nativeMicroTaskQueuePromise[symbolThen](drainMicroTaskQueue);
}
else {
global[symbolSetTimeout](drainMicroTaskQueue, 0);
}
}
task && _microTaskQueue.push(task);
}
function drainMicroTaskQueue() {
if (!_isDrainingMicrotaskQueue) {
_isDrainingMicrotaskQueue = true;
while (_microTaskQueue.length) {
var queue = _microTaskQueue;
_microTaskQueue = [];
for (var i = 0; i < queue.length; i++) {
var task = queue[i];
try {
task.zone.runTask(task, null, null);
}
catch (error) {
_api.onUnhandledError(error);
}
}
}
var showError = !Zone[__symbol__('ignoreConsoleErrorUncaughtError')];
_api.microtaskDrainDone();
_isDrainingMicrotaskQueue = false;
}
}
//////////////////////////////////////////////////////
//////////////////////////////////////////////////////
/// BOOTSTRAP
//////////////////////////////////////////////////////
//////////////////////////////////////////////////////
var NO_ZONE = { name: 'NO ZONE' };
var notScheduled = 'notScheduled', scheduling = 'scheduling', scheduled = 'scheduled', running = 'running', canceling = 'canceling', unknown = 'unknown';
var microTask = 'microTask', macroTask = 'macroTask', eventTask = 'eventTask';
var patches = {};
var _api = {
symbol: __symbol__,
currentZoneFrame: function () { return _currentZoneFrame; },
onUnhandledError: noop,
microtaskDrainDone: noop,
scheduleMicroTask: scheduleMicroTask,
showUncaughtError: function () { return !Zone[__symbol__('ignoreConsoleErrorUncaughtError')]; },
patchEventTarget: function () { return []; },
patchOnProperties: noop,
patchMethod: function () { return noop; },
setNativePromise: function (NativePromise) {
nativeMicroTaskQueuePromise = NativePromise.resolve(0);
},
};
var _currentZoneFrame = { parent: null, zone: new Zone(null, null) };
var _currentTask = null;
var _numberOfNestedTaskFrames = 0;
function noop() { }
function __symbol__(name) {
return '__zone_symbol__' + name;
}
performanceMeasure('Zone', 'Zone');
return global['Zone'] = Zone;
})(typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global);
var __read = (undefined && undefined.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __values = (undefined && undefined.__values) || function (o) {
var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;
if (m) return m.call(o);
return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
};
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Zone.__load_patch('ZoneAwarePromise', function (global, Zone, api) {
var __symbol__ = api.symbol;
var _uncaughtPromiseErrors = [];
var symbolPromise = __symbol__('Promise');
var symbolThen = __symbol__('then');
api.onUnhandledError = function (e) {
if (api.showUncaughtError()) {
var rejection = e && e.rejection;
if (rejection) {
console.error('Unhandled Promise rejection:', rejection instanceof Error ? rejection.message : rejection, '; Zone:', e.zone.name, '; Task:', e.task && e.task.source, '; Value:', rejection, rejection instanceof Error ? rejection.stack : undefined);
}
else {
console.error(e);
}
}
};
api.microtaskDrainDone = function () {
while (_uncaughtPromiseErrors.length) {
var _loop_1 = function () {
var uncaughtPromiseError = _uncaughtPromiseErrors.shift();
try {
uncaughtPromiseError.zone.runGuarded(function () {
throw uncaughtPromiseError;
});
}
catch (error) {
handleUnhandledRejection(error);
}
};
while (_uncaughtPromiseErrors.length) {
_loop_1();
}
}
};
var UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL = __symbol__('unhandledPromiseRejectionHandler');
function handleUnhandledRejection(e) {
api.onUnhandledError(e);
try {
var handler = Zone[UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL];
if (handler && typeof handler === 'function') {
handler.apply(this, [e]);
}
}
catch (err) {
}
}
function isThenable(value) {
return value && value.then;
}
function forwardResolution(value) {
return value;
}
function forwardRejection(rejection) {
return ZoneAwarePromise.reject(rejection);
}
var symbolState = __symbol__('state');
var symbolValue = __symbol__('value');
var source = 'Promise.then';
var UNRESOLVED = null;
var RESOLVED = true;
var REJECTED = false;
var REJECTED_NO_CATCH = 0;
function makeResolver(promise, state) {
return function (v) {
try {
resolvePromise(promise, state, v);
}
catch (err) {
resolvePromise(promise, false, err);
}
// Do not return value or you will break the Promise spec.
};
}
var once = function () {
var wasCalled = false;
return function wrapper(wrappedFunction) {
return function () {
if (wasCalled) {
return;
}
wasCalled = true;
wrappedFunction.apply(null, arguments);
};
};
};
var TYPE_ERROR = 'Promise resolved with itself';
var OBJECT = 'object';
var FUNCTION = 'function';
var CURRENT_TASK_SYMBOL = __symbol__('currentTask');
// Promise Resolution
function resolvePromise(promise, state, value) {
var onceWrapper = once();
if (promise === value) {
throw new TypeError(TYPE_ERROR);
}
if (promise[symbolState] === UNRESOLVED) {
// should only get value.then once based on promise spec.
var then = null;
try {
if (typeof value === OBJECT || typeof value === FUNCTION) {
then = value && value.then;
}
}
catch (err) {
onceWrapper(function () {
resolvePromise(promise, false, err);
})();
return promise;
}
// if (value instanceof ZoneAwarePromise) {
if (state !== REJECTED && value instanceof ZoneAwarePromise &&
value.hasOwnProperty(symbolState) && value.hasOwnProperty(symbolValue) &&
value[symbolState] !== UNRESOLVED) {
clearRejectedNoCatch(value);
resolvePromise(promise, value[symbolState], value[symbolValue]);
}
else if (state !== REJECTED && typeof then === FUNCTION) {
try {
then.apply(value, [
onceWrapper(makeResolver(promise, state)), onceWrapper(makeResolver(promise, false))
]);
}
catch (err) {
onceWrapper(function () {
resolvePromise(promise, false, err);
})();
}
}
else {
promise[symbolState] = state;
var queue = promise[symbolValue];
promise[symbolValue] = value;
// record task information in value when error occurs, so we can
// do some additional work such as render longStackTrace
if (state === REJECTED && value instanceof Error) {
value[CURRENT_TASK_SYMBOL] = Zone.currentTask;
}
for (var i = 0; i < queue.length;) {
scheduleResolveOrReject(promise, queue[i++], queue[i++], queue[i++], queue[i++]);
}
if (queue.length == 0 && state == REJECTED) {
promise[symbolState] = REJECTED_NO_CATCH;
try {
throw new Error('Uncaught (in promise): ' + value +
(value && value.stack ? '\n' + value.stack : ''));
}
catch (err) {
var error_1 = err;
error_1.rejection = value;
error_1.promise = promise;
error_1.zone = Zone.current;
error_1.task = Zone.currentTask;
_uncaughtPromiseErrors.push(error_1);
api.scheduleMicroTask(); // to make sure that it is running
}
}
}
}
// Resolving an already resolved promise is a noop.
return promise;
}
var REJECTION_HANDLED_HANDLER = __symbol__('rejectionHandledHandler');
function clearRejectedNoCatch(promise) {
if (promise[symbolState] === REJECTED_NO_CATCH) {
// if the promise is rejected no catch status
// and queue.length > 0, means there is a error handler
// here to handle the rejected promise, we should trigger
// windows.rejectionhandled eventHandler or nodejs rejectionHandled
// eventHandler
try {
var handler = Zone[REJECTION_HANDLED_HANDLER];
if (handler && typeof handler === FUNCTION) {
handler.apply(this, [{ rejection: promise[symbolValue], promise: promise }]);
}
}
catch (err) {
}
promise[symbolState] = REJECTED;
for (var i = 0; i < _uncaughtPromiseErrors.length; i++) {
if (promise === _uncaughtPromiseErrors[i].promise) {
_uncaughtPromiseErrors.splice(i, 1);
}
}
}
}
function scheduleResolveOrReject(promise, zone, chainPromise, onFulfilled, onRejected) {
clearRejectedNoCatch(promise);
var delegate = promise[symbolState] ?
(typeof onFulfilled === FUNCTION) ? onFulfilled : forwardResolution :
(typeof onRejected === FUNCTION) ? onRejected : forwardRejection;
zone.scheduleMicroTask(source, function () {
try {
resolvePromise(chainPromise, true, zone.run(delegate, undefined, [promise[symbolValue]]));
}
catch (error) {
resolvePromise(chainPromise, false, error);
}
});
}
var ZONE_AWARE_PROMISE_TO_STRING = 'function ZoneAwarePromise() { [native code] }';
var ZoneAwarePromise = (function () {
function ZoneAwarePromise(executor) {
var promise = this;
if (!(promise instanceof ZoneAwarePromise)) {
throw new Error('Must be an instanceof Promise.');
}
promise[symbolState] = UNRESOLVED;
promise[symbolValue] = []; // queue;
try {
executor && executor(makeResolver(promise, RESOLVED), makeResolver(promise, REJECTED));
}
catch (error) {
resolvePromise(promise, false, error);
}
}
ZoneAwarePromise.toString = function () {
return ZONE_AWARE_PROMISE_TO_STRING;
};
ZoneAwarePromise.resolve = function (value) {
return resolvePromise(new this(null), RESOLVED, value);
};
ZoneAwarePromise.reject = function (error) {
return resolvePromise(new this(null), REJECTED, error);
};
ZoneAwarePromise.race = function (values) {
var resolve;
var reject;
var promise = new this(function (res, rej) {
_a = __read([res, rej], 2), resolve = _a[0], reject = _a[1];
var _a;
});
function onResolve(value) {
promise && (promise = null || resolve(value));
}
function onReject(error) {
promise && (promise = null || reject(error));
}
try {
for (var values_1 = __values(values), values_1_1 = values_1.next(); !values_1_1.done; values_1_1 = values_1.next()) {
var value = values_1_1.value;
if (!isThenable(value)) {
value = this.resolve(value);
}
value.then(onResolve, onReject);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (values_1_1 && !values_1_1.done && (_a = values_1.return)) _a.call(values_1);
}
finally { if (e_1) throw e_1.error; }
}
return promise;
var e_1, _a;
};
ZoneAwarePromise.all = function (values) {
var resolve;
var reject;
var promise = new this(function (res, rej) {
resolve = res;
reject = rej;
});
var count = 0;
var resolvedValues = [];
try {
for (var values_2 = __values(values), values_2_1 = values_2.next(); !values_2_1.done; values_2_1 = values_2.next()) {
var value = values_2_1.value;
if (!isThenable(value)) {
value = this.resolve(value);
}
value.then((function (index) { return function (value) {
resolvedValues[index] = value;
count--;
if (!count) {
resolve(resolvedValues);
}
}; })(count), reject);
count++;
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (values_2_1 && !values_2_1.done && (_a = values_2.return)) _a.call(values_2);
}
finally { if (e_2) throw e_2.error; }
}
if (!count)
resolve(resolvedValues);
return promise;
var e_2, _a;
};
ZoneAwarePromise.prototype.then = function (onFulfilled, onRejected) {
var chainPromise = new this.constructor(null);
var zone = Zone.current;
if (this[symbolState] == UNRESOLVED) {
this[symbolValue].push(zone, chainPromise, onFulfilled, onRejected);
}
else {
scheduleResolveOrReject(this, zone, chainPromise, onFulfilled, onRejected);
}
return chainPromise;
};
ZoneAwarePromise.prototype.catch = function (onRejected) {
return this.then(null, onRejected);
};
return ZoneAwarePromise;
}());
// Protect against aggressive optimizers dropping seemingly unused properties.
// E.g. Closure Compiler in advanced mode.
ZoneAwarePromise['resolve'] = ZoneAwarePromise.resolve;
ZoneAwarePromise['reject'] = ZoneAwarePromise.reject;
ZoneAwarePromise['race'] = ZoneAwarePromise.race;
ZoneAwarePromise['all'] = ZoneAwarePromise.all;
var NativePromise = global[symbolPromise] = global['Promise'];
var ZONE_AWARE_PROMISE = Zone.__symbol__('ZoneAwarePromise');
var desc = Object.getOwnPropertyDescriptor(global, 'Promise');
if (!desc || desc.configurable) {
desc && delete desc.writable;
desc && delete desc.value;
if (!desc) {
desc = { configurable: true, enumerable: true };
}
desc.get = function () {
// if we already set ZoneAwarePromise, use patched one
// otherwise return native one.
return global[ZONE_AWARE_PROMISE] ? global[ZONE_AWARE_PROMISE] : global[symbolPromise];
};
desc.set = function (NewNativePromise) {
if (NewNativePromise === ZoneAwarePromise) {
// if the NewNativePromise is ZoneAwarePromise
// save to global
global[ZONE_AWARE_PROMISE] = NewNativePromise;
}
else {
// if the NewNativePromise is not ZoneAwarePromise
// for example: after load zone.js, some library just
// set es6-promise to global, if we set it to global
// directly, assertZonePatched will fail and angular
// will not loaded, so we just set the NewNativePromise
// to global[symbolPromise], so the result is just like
// we load ES6 Promise before zone.js
global[symbolPromise] = NewNativePromise;
if (!NewNativePromise.prototype[symbolThen]) {
patchThen(NewNativePromise);
}
api.setNativePromise(NewNativePromise);
}
};
Object.defineProperty(global, 'Promise', desc);
}
global['Promise'] = ZoneAwarePromise;
var symbolThenPatched = __symbol__('thenPatched');
function patchThen(Ctor) {
var proto = Ctor.prototype;
var originalThen = proto.then;
// Keep a reference to the original method.
proto[symbolThen] = originalThen;
// check Ctor.prototype.then propertyDescritor is writable or not
// in meteor env, writable is false, we have to make it to be true.
var prop = Object.getOwnPropertyDescriptor(Ctor.prototype, 'then');
if (prop && prop.writable === false && prop.configurable) {
Object.defineProperty(Ctor.prototype, 'then', { writable: true });
}
Ctor.prototype.then = function (onResolve, onReject) {
var _this = this;
var wrapped = new ZoneAwarePromise(function (resolve, reject) {
originalThen.call(_this, resolve, reject);
});
return wrapped.then(onResolve, onReject);
};
Ctor[symbolThenPatched] = true;
}
function zoneify(fn) {
return function () {
var resultPromise = fn.apply(this, arguments);
if (resultPromise instanceof ZoneAwarePromise) {
return resultPromise;
}
var ctor = resultPromise.constructor;
if (!ctor[symbolThenPatched]) {
patchThen(ctor);
}
return resultPromise;
};
}
if (NativePromise) {
patchThen(NativePromise);
var fetch_1 = global['fetch'];
if (typeof fetch_1 == FUNCTION) {
global['fetch'] = zoneify(fetch_1);
}
}
// This is not part of public API, but it is useful for tests, so we expose it.
Promise[Zone.__symbol__('uncaughtPromiseErrors')] = _uncaughtPromiseErrors;
return ZoneAwarePromise;
});
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Suppress closure compiler errors about unknown 'Zone' variable
* @fileoverview
* @suppress {undefinedVars,globalThis,missingRequire}
*/
var zoneSymbol = Zone.__symbol__;
var _global = typeof window === 'object' && window || typeof self === 'object' && self || global;
var FUNCTION = 'function';
var UNDEFINED = 'undefined';
function isPropertyWritable(propertyDesc) {
if (!propertyDesc) {
return true;
}
if (propertyDesc.writable === false) {
return false;
}
if (typeof propertyDesc.get === FUNCTION && typeof propertyDesc.set === UNDEFINED) {
return false;
}
return true;
}
var isWebWorker = (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope);
// Make sure to access `process` through `_global` so that WebPack does not accidently browserify
// this code.
var isNode = (!('nw' in _global) && typeof _global.process !== 'undefined' &&
{}.toString.call(_global.process) === '[object process]');
// we are in electron of nw, so we are both browser and nodejs
// Make sure to access `process` through `_global` so that WebPack does not accidently browserify
// this code.
var isMix = typeof _global.process !== 'undefined' &&
{}.toString.call(_global.process) === '[object process]' && !isWebWorker &&
!!(typeof window !== 'undefined' && window['HTMLElement']);
var originalInstanceKey = zoneSymbol('originalInstance');
// wrap some native API on `window`
function patchMethod(target, name, patchFn) {
var proto = target;
while (proto && !proto.hasOwnProperty(name)) {
proto = Object.getPrototypeOf(proto);
}
if (!proto && target[name]) {
// somehow we did not find it, but we can see it. This happens on IE for Window properties.
proto = target;
}
var delegateName = zoneSymbol(name);
var delegate;
if (proto && !(delegate = proto[delegateName])) {
delegate = proto[delegateName] = proto[name];
// check whether proto[name] is writable
// some property is readonly in safari, such as HtmlCanvasElement.prototype.toBlob
var desc = proto && Object.getOwnPropertyDescriptor(proto, name);
if (isPropertyWritable(desc)) {
var patchDelegate_1 = patchFn(delegate, delegateName, name);
proto[name] = function () {
return patchDelegate_1(this, arguments);
};
attachOriginToPatched(proto[name], delegate);
}
}
return delegate;
}
// TODO: @JiaLiPassion, support cancel task later if necessary
function patchMacroTask(obj, funcName, metaCreator) {
var setNative = null;
function scheduleTask(task) {
var data = task.data;
data.args[data.callbackIndex] = function () {
task.invoke.apply(this, arguments);
};
setNative.apply(data.target, data.args);
return task;
}
setNative = patchMethod(obj, funcName, function (delegate) { return function (self, args) {
var meta = metaCreator(self, args);
if (meta.callbackIndex >= 0 && typeof args[meta.callbackIndex] === 'function') {
var task = Zone.current.scheduleMacroTask(meta.name, args[meta.callbackIndex], meta, scheduleTask, null);
return task;
}
else {
// cause an error by calling it directly.
return delegate.apply(self, args);
}
}; });
}
function patchMicroTask(obj, funcName, metaCreator) {
var setNative = null;
function scheduleTask(task) {
var data = task.data;
data.args[data.callbackIndex] = function () {
task.invoke.apply(this, arguments);
};
setNative.apply(data.target, data.args);
return task;
}
setNative = patchMethod(obj, funcName, function (delegate) { return function (self, args) {
var meta = metaCreator(self, args);
if (meta.callbackIndex >= 0 && typeof args[meta.callbackIndex] === 'function') {
var task = Zone.current.scheduleMicroTask(meta.name, args[meta.callbackIndex], meta, scheduleTask);
return task;
}
else {
// cause an error by calling it directly.
return delegate.apply(self, args);
}
}; });
}
function attachOriginToPatched(patched, original) {
patched[zoneSymbol('OriginalDelegate')] = original;
}
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
// override Function.prototype.toString to make zone.js patched function
// look like native function
Zone.__load_patch('toString', function (global, Zone, api) {
// patch Func.prototype.toString to let them look like native
var originalFunctionToString = Zone['__zone_symbol__originalToString'] =
Function.prototype.toString;
var FUNCTION = 'function';
var ORIGINAL_DELEGATE_SYMBOL = zoneSymbol('OriginalDelegate');
var PROMISE_SYMBOL = zoneSymbol('Promise');
var ERROR_SYMBOL = zoneSymbol('Error');
Function.prototype.toString = function () {
if (typeof this === FUNCTION) {
var originalDelegate = this[ORIGINAL_DELEGATE_SYMBOL];
if (originalDelegate) {
if (typeof originalDelegate === FUNCTION) {
return originalFunctionToString.apply(this[ORIGINAL_DELEGATE_SYMBOL], arguments);
}
else {
return Object.prototype.toString.call(originalDelegate);
}
}
if (this === Promise) {
var nativePromise = global[PROMISE_SYMBOL];
if (nativePromise) {
return originalFunctionToString.apply(nativePromise, arguments);
}
}
if (this === Error) {
var nativeError = global[ERROR_SYMBOL];
if (nativeError) {
return originalFunctionToString.apply(nativeError, arguments);
}
}
}
return originalFunctionToString.apply(this, arguments);
};
// patch Object.prototype.toString to let them look like native
var originalObjectToString = Object.prototype.toString;
var PROMISE_OBJECT_TO_STRING = '[object Promise]';
Object.prototype.toString = function () {
if (this instanceof Promise) {
return PROMISE_OBJECT_TO_STRING;
}
return originalObjectToString.apply(this, arguments);
};
});
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* @fileoverview
* @suppress {missingRequire}
*/
var __read$1 = (undefined && undefined.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spread = (undefined && undefined.__spread) || function () {
for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read$1(arguments[i]));
return ar;
};
var TRUE_STR = 'true';
var FALSE_STR = 'false';
// an identifier to tell ZoneTask do not create a new invoke closure
var OPTIMIZED_ZONE_EVENT_TASK_DATA = {
isUsingGlobalCallback: true
};
var zoneSymbolEventNames$1 = {};
var globalSources = {};
var CONSTRUCTOR_NAME = 'name';
var FUNCTION_TYPE = 'function';
var OBJECT_TYPE = 'object';
var ZONE_SYMBOL_PREFIX = '__zone_symbol__';
var EVENT_NAME_SYMBOL_REGX = /^__zone_symbol__(\w+)(true|false)$/;
var IMMEDIATE_PROPAGATION_SYMBOL = ('__zone_symbol__propagationStopped');
function patchEventTarget(_global, apis, patchOptions) {
var ADD_EVENT_LISTENER = (patchOptions && patchOptions.addEventListenerFnName) || 'addEventListener';
var REMOVE_EVENT_LISTENER = (patchOptions && patchOptions.removeEventListenerFnName) || 'removeEventListener';
var LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.listenersFnName) || 'eventListeners';
var REMOVE_ALL_LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.removeAllFnName) || 'removeAllListeners';
var zoneSymbolAddEventListener = zoneSymbol(ADD_EVENT_LISTENER);
var ADD_EVENT_LISTENER_SOURCE = '.' + ADD_EVENT_LISTENER + ':';
var PREPEND_EVENT_LISTENER = 'prependListener';
var PREPEND_EVENT_LISTENER_SOURCE = '.' + PREPEND_EVENT_LISTENER + ':';
var invokeTask = function (task, target, event) {
// for better performance, check isRemoved which is set
// by removeEventListener
if (task.isRemoved) {
return;
}
var delegate = task.callback;
if (typeof delegate === OBJECT_TYPE && delegate.handleEvent) {
// create the bind version of handleEvent when invoke
task.callback = function (event) { return delegate.handleEvent(event); };
task.originalDelegate = delegate;
}
// invoke static task.invoke
task.invoke(task, target, [event]);
var options = task.options;
if (options && typeof options === 'object' && options.once) {
// if options.once is true, after invoke once remove listener here
// only browser need to do this, nodejs eventEmitter will cal removeListener
// inside EventEmitter.once
var delegate_1 = task.originalDelegate ? task.originalDelegate : task.callback;
target[REMOVE_EVENT_LISTENER].apply(target, [event.type, delegate_1, options]);
}
};
// global shared zoneAwareCallback to handle all event callback with capture = false
var globalZoneAwareCallback = function (event) {
// https://github.com/angular/zone.js/issues/911, in IE, sometimes
// event will be undefined, so we need to use window.event
event = event || _global.event;
if (!event) {
return;
}
// event.target is needed for Samusung TV and SourceBuffer
// || global is needed https://github.com/angular/zone.js/issues/190
var target = this || event.target || _global;
var tasks = target[zoneSymbolEventNames$1[event.type][FALSE_STR]];
if (tasks) {
// invoke all tasks which attached to current target with given event.type and capture = false
// for performance concern, if task.length === 1, just invoke
if (tasks.length === 1) {
invokeTask(tasks[0], target, event);
}
else {
// https://github.com/angular/zone.js/issues/836
// copy the tasks array before invoke, to avoid
// the callback will remove itself or other listener
var copyTasks = tasks.slice();
for (var i = 0; i < copyTasks.length; i++) {
if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {
break;
}
invokeTask(copyTasks[i], target, event);
}
}
}
};
// global shared zoneAwareCallback to handle all event callback with capture = true
var globalZoneAwareCaptureCallback = function (event) {
// https://github.com/angular/zone.js/issues/911, in IE, sometimes
// event will be undefined, so we need to use window.event
event = event || _global.event;
if (!event) {
return;
}
// event.target is needed for Samusung TV and SourceBuffer
// || global is needed https://github.com/angular/zone.js/issues/190
var target = this || event.target || _global;
var tasks = target[zoneSymbolEventNames$1[event.type][TRUE_STR]];
if (tasks) {
// invoke all tasks which attached to current target with given event.type and capture = false
// for performance concern, if task.length === 1, just invoke
if (tasks.length === 1) {
invokeTask(tasks[0], target, event);
}
else {
// https://github.com/angular/zone.js/issues/836
// copy the tasks array before invoke, to avoid
// the callback will remove itself or other listener
var copyTasks = tasks.slice();
for (var i = 0; i < copyTasks.length; i++) {
if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {
break;
}
invokeTask(copyTasks[i], target, event);
}
}
}
};
function patchEventTargetMethods(obj, patchOptions) {
if (!obj) {
return false;
}
var useGlobalCallback = true;
if (patchOptions && patchOptions.useGlobalCallback !== undefined) {
useGlobalCallback = patchOptions.useGlobalCallback;
}
var validateHandler = patchOptions && patchOptions.validateHandler;
var checkDuplicate = true;
if (patchOptions && patchOptions.checkDuplicate !== undefined) {
checkDuplicate = patchOptions.checkDuplicate;
}
var returnTarget = false;
if (patchOptions && patchOptions.returnTarget !== undefined) {
returnTarget = patchOptions.returnTarget;
}
var proto = obj;
while (proto && !proto.hasOwnProperty(ADD_EVENT_LISTENER)) {
proto = Object.getPrototypeOf(proto);
}
if (!proto && obj[ADD_EVENT_LISTENER]) {
// somehow we did not find it, but we can see it. This happens on IE for Window properties.
proto = obj;
}
if (!proto) {
return false;
}
if (proto[zoneSymbolAddEventListener]) {
return false;
}
// a shared global taskData to pass data for scheduleEventTask
// so we do not need to create a new object just for pass some data
var taskData = {};
var nativeAddEventListener = proto[zoneSymbolAddEventListener] = proto[ADD_EVENT_LISTENER];
var nativeRemoveEventListener = proto[zoneSymbol(REMOVE_EVENT_LISTENER)] =
proto[REMOVE_EVENT_LISTENER];
var nativeListeners = proto[zoneSymbol(LISTENERS_EVENT_LISTENER)] =
proto[LISTENERS_EVENT_LISTENER];
var nativeRemoveAllListeners = proto[zoneSymbol(REMOVE_ALL_LISTENERS_EVENT_LISTENER)] =
proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER];
var nativePrependEventListener;
if (patchOptions && patchOptions.prependEventListenerFnName) {
nativePrependEventListener = proto[zoneSymbol(patchOptions.prependEventListenerFnName)] =
proto[patchOptions.prependEventListenerFnName];
}
var customScheduleGlobal = function (task) {
// if there is already a task for the eventName + capture,
// just return, because we use the shared globalZoneAwareCallback here.
if (taskData.isExisting) {
return;
}
return nativeAddEventListener.apply(taskData.target, [
taskData.eventName,
taskData.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback,
taskData.options
]);
};
var customCancelGlobal = function (task) {
// if task is not marked as isRemoved, this call is directly
// from Zone.prototype.cancelTask, we should remove the task
// from tasksList of target first
if (!task.isRemoved) {
var symbolEventNames = zoneSymbolEventNames$1[task.eventName];
var symbolEventName = void 0;
if (symbolEventNames) {
symbolEventName = symbolEventNames[task.capture ? TRUE_STR : FALSE_STR];
}
var existingTasks = symbolEventName && task.target[symbolEventName];
if (existingTasks) {
for (var i = 0; i < existingTasks.length; i++) {
var existingTask = existingTasks[i];
if (existingTask === task) {
existingTasks.splice(i, 1);
// set isRemoved to data for faster invokeTask check
task.isRemoved = true;
if (existingTasks.length === 0) {
// all tasks for the eventName + capture have gone,
// remove globalZoneAwareCallback and remove the task cache from target
task.allRemoved = true;
task.target[symbolEventName] = null;
}
break;
}
}
}
}
// if all tasks for the eventName + capture have gone,
// we will really remove the global event callback,
// if not, return
if (!task.allRemoved) {
return;
}
return nativeRemoveEventListener.apply(task.target, [
task.eventName, task.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback,
task.options
]);
};
var customScheduleNonGlobal = function (task) {
return nativeAddEventListener.apply(taskData.target, [taskData.eventName, task.invoke, taskData.options]);
};
var customSchedulePrepend = function (task) {
return nativePrependEventListener.apply(taskData.target, [taskData.eventName, task.invoke, taskData.options]);
};
var customCancelNonGlobal = function (task) {
return nativeRemoveEventListener.apply(task.target, [task.eventName, task.invoke, task.options]);
};
var customSchedule = useGlobalCallback ? customScheduleGlobal : customScheduleNonGlobal;
var customCancel = useGlobalCallback ? customCancelGlobal : customCancelNonGlobal;
var compareTaskCallbackVsDelegate = function (task, delegate) {
var typeOfDelegate = typeof delegate;
if ((typeOfDelegate === FUNCTION_TYPE && task.callback === delegate) ||
(typeOfDelegate === OBJECT_TYPE && task.originalDelegate === delegate)) {
// same callback, same capture, same event name, just return
return true;
}
return false;
};
var compare = (patchOptions && patchOptions.compareTaskCallbackVsDelegate) ?
patchOptions.compareTaskCallbackVsDelegate :
compareTaskCallbackVsDelegate;
var makeAddListener = function (nativeListener, addSource, customScheduleFn, customCancelFn, returnTarget, prepend) {
if (returnTarget === void 0) { returnTarget = false; }
if (prepend === void 0) { prepend = false; }
return function () {
var target = this || _global;
var targetZone = Zone.current;
var delegate = arguments[1];
if (!delegate) {
return nativeListener.apply(this, arguments);
}
// don't create the bind delegate function for handleEvent
// case here to improve addEventListener performance
// we will create the bind delegate when invoke
var isHandleEvent = false;
if (typeof delegate !== FUNCTION_TYPE) {
if (!delegate.handleEvent) {
return nativeListener.apply(this, arguments);
}
isHandleEvent = true;
}
if (validateHandler && !validateHandler(nativeListener, delegate, target, arguments)) {
return;
}
var eventName = arguments[0];
var options = arguments[2];
var capture;
var once = false;
if (options === undefined) {
capture = false;
}
else if (options === true) {
capture = true;
}
else if (options === false) {
capture = false;
}
else {
capture = options ? !!options.capture : false;
once = options ? !!options.once : false;
}
var zone = Zone.current;
var symbolEventNames = zoneSymbolEventNames$1[eventName];
var symbolEventName;
if (!symbolEventNames) {
// the code is duplicate, but I just want to get some better performance
var falseEventName = eventName + FALSE_STR;
var trueEventName = eventName + TRUE_STR;
var symbol = ZONE_SYMBOL_PREFIX + falseEventName;
var symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;
zoneSymbolEventNames$1[eventName] = {};
zoneSymbolEventNames$1[eventName][FALSE_STR] = symbol;
zoneSymbolEventNames$1[eventName][TRUE_STR] = symbolCapture;
symbolEventName = capture ? symbolCapture : symbol;
}
else {
symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];
}
var existingTasks = target[symbolEventName];
var isExisting = false;
if (existingTasks) {
// already have task registered
isExisting = true;
if (checkDuplicate) {
for (var i = 0; i < existingTasks.length; i++) {
if (compare(existingTasks[i], delegate)) {
// same callback, same capture, same event name, just return
return;
}
}
}
}
else {
existingTasks = target[symbolEventName] = [];
}
var source;
var constructorName = target.constructor[CONSTRUCTOR_NAME];
var targetSource = globalSources[constructorName];
if (targetSource) {
source = targetSource[eventName];
}
if (!source) {
source = constructorName + addSource + eventName;
}
// do not create a new object as task.data to pass those things
// just use the global shared one
taskData.options = options;
if (once) {
// if addEventListener with once options, we don't pass it to
// native addEventListener, instead we keep the once setting
// and handle ourselves.
taskData.options.once = false;
}
taskData.target = target;
taskData.capture = capture;
taskData.eventName = eventName;
taskData.isExisting = isExisting;
var data = useGlobalCallback ? OPTIMIZED_ZONE_EVENT_TASK_DATA : null;
var task = zone.scheduleEventTask(source, delegate, data, customScheduleFn, customCancelFn);
// have to save those information to task in case
// application may call task.zone.cancelTask() directly
if (once) {
options.once = true;
}
task.options = options;
task.target = target;
task.capture = capture;
task.eventName = eventName;
if (isHandleEvent) {
// save original delegate for compare to check duplicate
task.originalDelegate = delegate;
}
if (!prepend) {
existingTasks.push(task);
}
else {
existingTasks.unshift(task);
}
if (returnTarget) {
return target;
}
};
};
proto[ADD_EVENT_LISTENER] = makeAddListener(nativeAddEventListener, ADD_EVENT_LISTENER_SOURCE, customSchedule, customCancel, returnTarget);
if (nativePrependEventListener) {
proto[PREPEND_EVENT_LISTENER] = makeAddListener(nativePrependEventListener, PREPEND_EVENT_LISTENER_SOURCE, customSchedulePrepend, customCancel, returnTarget, true);
}
proto[REMOVE_EVENT_LISTENER] = function () {
var target = this || _global;
var eventName = arguments[0];
var options = arguments[2];
var capture;
if (options === undefined) {
capture = false;
}
else if (options === true) {
capture = true;
}
else if (options === false) {
capture = false;
}
else {
capture = options ? !!options.capture : false;
}
var delegate = arguments[1];
if (!delegate) {
return nativeRemoveEventListener.apply(this, arguments);
}
if (validateHandler &&
!validateHandler(nativeRemoveEventListener, delegate, target, arguments)) {
return;
}
var symbolEventNames = zoneSymbolEventNames$1[eventName];
var symbolEventName;
if (symbolEventNames) {
symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];
}
var existingTasks = symbolEventName && target[symbolEventName];
if (existingTasks) {
for (var i = 0; i < existingTasks.length; i++) {
var existingTask = existingTasks[i];
var typeOfDelegate = typeof delegate;
if (compare(existingTask, delegate)) {
existingTasks.splice(i, 1);
// set isRemoved to data for faster invokeTask check
existingTask.isRemoved = true;
if (existingTasks.length === 0) {
// all tasks for the eventName + capture have gone,
// remove globalZoneAwareCallback and remove the task cache from target
existingTask.allRemoved = true;
target[symbolEventName] = null;
}
existingTask.zone.cancelTask(existingTask);
return;
}
}
}
};
proto[LISTENERS_EVENT_LISTENER] = function () {
var target = this || _global;
var eventName = arguments[0];
var listeners = [];
var tasks = findEventTasks(target, eventName);
for (var i = 0; i < tasks.length; i++) {
var task = tasks[i];
var delegate = task.originalDelegate ? task.originalDelegate : task.callback;
listeners.push(delegate);
}
return listeners;
};
proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER] = function () {
var target = this || _global;
var eventName = arguments[0];
if (!eventName) {
var keys = Object.keys(target);
for (var i = 0; i < keys.length; i++) {
var prop = keys[i];
var match = EVENT_NAME_SYMBOL_REGX.exec(prop);
var evtName = match && match[1];
// in nodejs EventEmitter, removeListener event is
// used for monitoring the removeListener call,
// so just keep removeListener eventListener until
// all other eventListeners are removed
if (evtName && evtName !== 'removeListener') {
this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].apply(this, [evtName]);
}
}
// remove removeListener listener finally
this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].apply(this, ['removeListener']);
}
else {
var symbolEventNames = zoneSymbolEventNames$1[eventName];
if (symbolEventNames) {
var symbolEventName = symbolEventNames[FALSE_STR];
var symbolCaptureEventName = symbolEventNames[TRUE_STR];
var tasks = target[symbolEventName];
var captureTasks = target[symbolCaptureEventName];
if (tasks) {
var removeTasks = __spread(tasks);
for (var i = 0; i < removeTasks.length; i++) {
var task = removeTasks[i];
var delegate = task.originalDelegate ? task.originalDelegate : task.callback;
this[REMOVE_EVENT_LISTENER].apply(this, [eventName, delegate, task.options]);
}
}
if (captureTasks) {
var removeTasks = __spread(captureTasks);
for (var i = 0; i < removeTasks.length; i++) {
var task = removeTasks[i];
var delegate = task.originalDelegate ? task.originalDelegate : task.callback;
this[REMOVE_EVENT_LISTENER].apply(this, [eventName, delegate, task.options]);
}
}
}
}
};
// for native toString patch
attachOriginToPatched(proto[ADD_EVENT_LISTENER], nativeAddEventListener);
attachOriginToPatched(proto[REMOVE_EVENT_LISTENER], nativeRemoveEventListener);
if (nativeRemoveAllListeners) {
attachOriginToPatched(proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER], nativeRemoveAllListeners);
}
if (nativeListeners) {
attachOriginToPatched(proto[LISTENERS_EVENT_LISTENER], nativeListeners);
}
return true;
}
var results = [];
for (var i = 0; i < apis.length; i++) {
results[i] = patchEventTargetMethods(apis[i], patchOptions);
}
return results;
}
function findEventTasks(target, eventName) {
var foundTasks = [];
for (var prop in target) {
var match = EVENT_NAME_SYMBOL_REGX.exec(prop);
var evtName = match && match[1];
if (evtName && (!eventName || evtName === eventName)) {
var tasks = target[prop];
if (tasks) {
for (var i = 0; i < tasks.length; i++) {
foundTasks.push(tasks[i]);
}
}
}
}
return foundTasks;
}
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Zone.__load_patch('EventEmitter', function (global, Zone, api) {
var callAndReturnFirstParam = function (fn) {
return function (self, args) {
fn(self, args);
return self;
};
};
// For EventEmitter
var EE_ADD_LISTENER = 'addListener';
var EE_PREPEND_LISTENER = 'prependListener';
var EE_REMOVE_LISTENER = 'removeListener';
var EE_REMOVE_ALL_LISTENER = 'removeAllListeners';
var EE_LISTENERS = 'listeners';
var EE_ON = 'on';
var compareTaskCallbackVsDelegate = function (task, delegate) {
if (task.callback === delegate || task.callback.listener === delegate) {
// same callback, same capture, same event name, just return
return true;
}
return false;
};
function patchEventEmitterMethods(obj) {
var result = patchEventTarget(global, [obj], {
useGlobalCallback: false,
addEventListenerFnName: EE_ADD_LISTENER,
removeEventListenerFnName: EE_REMOVE_LISTENER,
prependEventListenerFnName: EE_PREPEND_LISTENER,
removeAllFnName: EE_REMOVE_ALL_LISTENER,
listenersFnName: EE_LISTENERS,
checkDuplicate: false,
returnTarget: true,
compareTaskCallbackVsDelegate: compareTaskCallbackVsDelegate
});
if (result && result[0]) {
obj[EE_ON] = obj[EE_ADD_LISTENER];
}
}
// EventEmitter
var events;
try {
events = require('events');
}
catch (err) {
}
if (events && events.EventEmitter) {
patchEventEmitterMethods(events.EventEmitter.prototype);
}
});
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Zone.__load_patch('fs', function (global, Zone, api) {
var fs;
try {
fs = require('fs');
}
catch (err) {
}
// watch, watchFile, unwatchFile has been patched
// because EventEmitter has been patched
var TO_PATCH_MACROTASK_METHODS = [
'access', 'appendFile', 'chmod', 'chown', 'close', 'exists', 'fchmod',
'fchown', 'fdatasync', 'fstat', 'fsync', 'ftruncate', 'futimes', 'lchmod',
'lchown', 'link', 'lstat', 'mkdir', 'mkdtemp', 'open', 'read',
'readdir', 'readFile', 'readlink', 'realpath', 'rename', 'rmdir', 'stat',
'symlink', 'truncate', 'unlink', 'utimes', 'write', 'writeFile',
];
if (fs) {
TO_PATCH_MACROTASK_METHODS.filter(function (name) { return !!fs[name] && typeof fs[name] === 'function'; })
.forEach(function (name) {
patchMacroTask(fs, name, function (self, args) {
return {
name: 'fs.' + name,
args: args,
callbackIndex: args.length > 0 ? args.length - 1 : -1,
target: self
};
});
});
}
});
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* @fileoverview
* @suppress {missingRequire}
*/
var taskSymbol = zoneSymbol('zoneTask');
function patchTimer(window, setName, cancelName, nameSuffix) {
var setNative = null;
var clearNative = null;
setName += nameSuffix;
cancelName += nameSuffix;
var tasksByHandleId = {};
var NUMBER = 'number';
var STRING = 'string';
var FUNCTION = 'function';
var INTERVAL = 'Interval';
var TIMEOUT = 'Timeout';
var NOT_SCHEDULED = 'notScheduled';
function scheduleTask(task) {
var data = task.data;
function timer() {
try {
task.invoke.apply(this, arguments);
}
finally {
if (typeof data.handleId === NUMBER) {
// in non-nodejs env, we remove timerId
// from local cache
delete tasksByHandleId[data.handleId];
}
else if (data.handleId) {
// Node returns complex objects as handleIds
// we remove task reference from timer object
data.handleId[taskSymbol] = null;
}
}
}
data.args[0] = timer;
data.handleId = setNative.apply(window, data.args);
return task;
}
function clearTask(task) {
return clearNative(task.data.handleId);
}
setNative =
patchMethod(window, setName, function (delegate) { return function (self, args) {
if (typeof args[0] === FUNCTION) {
var zone = Zone.current;
var options = {
handleId: null,
isPeriodic: nameSuffix === INTERVAL,
delay: (nameSuffix === TIMEOUT || nameSuffix === INTERVAL) ? args[1] || 0 : null,
args: args
};
var task = zone.scheduleMacroTask(setName, args[0], options, scheduleTask, clearTask);
if (!task) {
return task;
}
// Node.js must additionally support the ref and unref functions.
var handle = task.data.handleId;
if (typeof handle === NUMBER) {
// for non nodejs env, we save handleId: task
// mapping in local cache for clearTimeout
tasksByHandleId[handle] = task;
}
else if (handle) {
// for nodejs env, we save task
// reference in timerId Object for clearTimeout
handle[taskSymbol] = task;
}
// check whether handle is null, because some polyfill or browser
// may return undefined from setTimeout/setInterval/setImmediate/requestAnimationFrame
if (handle && handle.ref && handle.unref && typeof handle.ref === FUNCTION &&
typeof handle.unref === FUNCTION) {
task.ref = handle.ref.bind(handle);
task.unref = handle.unref.bind(handle);
}
if (typeof handle === NUMBER || handle) {
return handle;
}
return task;
}
else {
// cause an error by calling it directly.
return delegate.apply(window, args);
}
}; });
clearNative =
patchMethod(window, cancelName, function (delegate) { return function (self, args) {
var id = args[0];
var task;
if (typeof id === NUMBER) {
// non nodejs env.
task = tasksByHandleId[id];
}
else {
// nodejs env.
task = id && id[taskSymbol];
// other environments.
if (!task) {
task = id;
}
}
if (task && typeof task.type === STRING) {
if (task.state !== NOT_SCHEDULED &&
(task.cancelFn && task.data.isPeriodic || task.runCount === 0)) {
if (typeof id === NUMBER) {
delete tasksByHandleId[id];
}
else if (id) {
id[taskSymbol] = null;
}
// Do not cancel already canceled functions
task.zone.cancelTask(task);
}
}
else {
// cause an error by calling it directly.
delegate.apply(window, args);
}
}; });
}
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var set = 'set';
var clear = 'clear';
Zone.__load_patch('node_timers', function (global, Zone, api) {
// Timers
var globalUseTimeoutFromTimer = false;
try {
var timers = require('timers');
var globalEqualTimersTimeout = global.setTimeout === timers.setTimeout;
if (!globalEqualTimersTimeout && !isMix) {
// 1. if isMix, then we are in mix environment such as Electron
// we should only patch timers.setTimeout because global.setTimeout
// have been patched
// 2. if global.setTimeout not equal timers.setTimeout, check
// whether global.setTimeout use timers.setTimeout or not
var originSetTimeout_1 = timers.setTimeout;
timers.setTimeout = function () {
globalUseTimeoutFromTimer = true;
return originSetTimeout_1.apply(this, arguments);
};
var detectTimeout = global.setTimeout(function () { }, 100);
clearTimeout(detectTimeout);
timers.setTimeout = originSetTimeout_1;
}
patchTimer(timers, set, clear, 'Timeout');
patchTimer(timers, set, clear, 'Interval');
patchTimer(timers, set, clear, 'Immediate');
}
catch (error) {
// timers module not exists, for example, when we using nativescript
// timers is not available
}
if (isMix) {
// if we are in mix environment, such as Electron,
// the global.setTimeout has already been patched,
// so we just patch timers.setTimeout
return;
}
if (!globalUseTimeoutFromTimer) {
// 1. global setTimeout equals timers setTimeout
// 2. or global don't use timers setTimeout(maybe some other library patch setTimeout)
// 3. or load timers module error happens, we should patch global setTimeout
patchTimer(global, set, clear, 'Timeout');
patchTimer(global, set, clear, 'Interval');
patchTimer(global, set, clear, 'Immediate');
}
else {
// global use timers setTimeout, but not equals
// this happenes when use nodejs v0.10.x, global setTimeout will
// use a lazy load version of timers setTimeout
// we should not double patch timer's setTimeout
// so we only store the __symbol__ for consistency
global[Zone.__symbol__('setTimeout')] = global.setTimeout;
global[Zone.__symbol__('setInterval')] = global.setInterval;
global[Zone.__symbol__('setImmediate')] = global.setImmediate;
}
});
// patch process related methods
Zone.__load_patch('nextTick', function (global, Zone, api) {
// patch nextTick as microTask
patchMicroTask(process, 'nextTick', function (self, args) {
return {
name: 'process.nextTick',
args: args,
callbackIndex: (args.length > 0 && typeof args[0] === 'function') ? 0 : -1,
target: process
};
});
});
Zone.__load_patch('handleUnhandledPromiseRejection', function (global, Zone, api) {
Zone[api.symbol('unhandledPromiseRejectionHandler')] =
findProcessPromiseRejectionHandler('unhandledRejection');
Zone[api.symbol('rejectionHandledHandler')] =
findProcessPromiseRejectionHandler('rejectionHandled');
// handle unhandled promise rejection
function findProcessPromiseRejectionHandler(evtName) {
return function (e) {
var eventTasks = findEventTasks(process, evtName);
eventTasks.forEach(function (eventTask) {
// process has added unhandledrejection event listener
// trigger the event listener
if (evtName === 'unhandledRejection') {
eventTask.invoke(e.rejection, e.promise);
}
else if (evtName === 'rejectionHandled') {
eventTask.invoke(e.promise);
}
});
};
}
});
// Crypto
Zone.__load_patch('crypto', function (global, Zone, api) {
var crypto;
try {
crypto = require('crypto');
}
catch (err) {
}
// use the generic patchMacroTask to patch crypto
if (crypto) {
var methodNames = ['randomBytes', 'pbkdf2'];
methodNames.forEach(function (name) {
patchMacroTask(crypto, name, function (self, args) {
return {
name: 'crypto.' + name,
args: args,
callbackIndex: (args.length > 0 && typeof args[args.length - 1] === 'function') ?
args.length - 1 :
-1,
target: crypto
};
});
});
}
});
Zone.__load_patch('console', function (global, Zone, api) {
var consoleMethods = ['dir', 'log', 'info', 'error', 'warn', 'assert', 'debug', 'timeEnd', 'trace'];
consoleMethods.forEach(function (m) {
var originalMethod = console[Zone.__symbol__(m)] = console[m];
if (originalMethod) {
console[m] = function () {
var args = Array.prototype.slice.call(arguments);
if (Zone.current === Zone.root) {
return originalMethod.apply(this, args);
}
else {
return Zone.root.run(originalMethod, this, args);
}
};
}
});
});
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
})));