Skip to content

Instantly share code, notes, and snippets.

@robwormald

robwormald/zone-build.js

Created August 14, 2018 00:54
Show Gist options
  • Save robwormald/0ee9a058502ff6d1cb7b5905aced395b to your computer and use it in GitHub Desktop.
Save robwormald/0ee9a058502ff6d1cb7b5905aced395b to your computer and use it in GitHub Desktop.
Download ZIP
Raw
zone-build.js
/**
* @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 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']) {
// if global['Zone'] already exists (maybe zone.js was already loaded or
// some other lib also registered a global object named Zone), we may need
// to throw an error, but sometimes user may not want this error.
// For example,
// we have two web pages, page1 includes zone.js, page2 doesn't.
// and the 1st time user load page1 and page2, everything work fine,
// but when user load page2 again, error occurs because global['Zone'] already exists.
// so we add a flag to let user choose whether to throw this error or not.
// By default, if existing Zone is from zone.js, we will not throw the error.
if (global[('__zone_symbol__forceDuplicateZoneCheck')] === true ||
typeof global['Zone'].__symbol__ !== 'function') {
throw new Error('Zone already loaded.');
}
else {
return global['Zone'];
}
}
var Zone = /** @class */ (function () {
function Zone(parent, zoneSpec) {
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) {
_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; }
_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
if (task.state === notScheduled && 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 = undefined;
}
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, undefined));
};
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);
}
};
Zone.__symbol__ = __symbol__;
return Zone;
}());
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 = /** @class */ (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 {
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 = /** @class */ (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;
// TODO: @JiaLiPassion options should have interface
if (type === eventTask && options && options.useG) {
this.invoke = ZoneTask.invokeTask;
}
else {
this.invoke = function () {
return ZoneTask.invokeTask.call(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,
runCount: this.runCount
};
};
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) {
var nativeThen = nativeMicroTaskQueuePromise[symbolThen];
if (!nativeThen) {
// native Promise is not patchable, we need to use `then` directly
// issue 1078
nativeThen = nativeMicroTaskQueuePromise['then'];
}
nativeThen.call(nativeMicroTaskQueuePromise, 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);
}
}
}
_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; },
bindArguments: function () { return []; },
patchThen: function () { return noop; },
setNativePromise: function (NativePromise) {
// sometimes NativePromise.resolve static function
// is not ready yet, (such as core-js/es6.promise)
// so we need to check here.
if (NativePromise && typeof NativePromise.resolve === 'function') {
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);
Zone.__load_patch('ZoneAwarePromise', function (global, Zone, api) {
var ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
var ObjectDefineProperty = Object.defineProperty;
function readableObjectToString(obj) {
if (obj && obj.toString === Object.prototype.toString) {
var className = obj.constructor && obj.constructor.name;
return (className ? className : '') + ': ' + JSON.stringify(obj);
}
return obj ? obj.toString() : Object.prototype.toString.call(obj);
}
var __symbol__ = api.symbol;
var _uncaughtPromiseErrors = [];
var symbolPromise = __symbol__('Promise');
var symbolThen = __symbol__('then');
var creationTrace = '__creationTrace__';
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.call(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 symbolFinally = __symbol__('finally');
var symbolParentPromiseValue = __symbol__('parentPromiseValue');
var symbolParentPromiseState = __symbol__('parentPromiseState');
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 CURRENT_TASK_TRACE_SYMBOL = __symbol__('currentTaskTrace');
// 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.call(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;
if (promise[symbolFinally] === symbolFinally) {
// the promise is generated by Promise.prototype.finally
if (state === RESOLVED) {
// the state is resolved, should ignore the value
// and use parent promise value
promise[symbolState] = promise[symbolParentPromiseState];
promise[symbolValue] = promise[symbolParentPromiseValue];
}
}
// 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) {
// check if longStackTraceZone is here
var trace = Zone.currentTask && Zone.currentTask.data &&
Zone.currentTask.data[creationTrace];
if (trace) {
// only keep the long stack trace into error when in longStackTraceZone
ObjectDefineProperty(value, CURRENT_TASK_TRACE_SYMBOL, { configurable: true, enumerable: false, writable: true, value: trace });
}
}
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 {
// try to print more readable error log
throw new Error('Uncaught (in promise): ' + readableObjectToString(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.call(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 promiseState = promise[symbolState];
var delegate = promiseState ?
(typeof onFulfilled === 'function') ? onFulfilled : forwardResolution :
(typeof onRejected === 'function') ? onRejected : forwardRejection;
zone.scheduleMicroTask(source, function () {
try {
var parentPromiseValue = promise[symbolValue];
var isFinallyPromise = chainPromise && symbolFinally === chainPromise[symbolFinally];
if (isFinallyPromise) {
// if the promise is generated from finally call, keep parent promise's state and value
chainPromise[symbolParentPromiseValue] = parentPromiseValue;
chainPromise[symbolParentPromiseState] = promiseState;
}
// should not pass value to finally callback
var value = zone.run(delegate, undefined, isFinallyPromise && delegate !== forwardRejection && delegate !== forwardResolution ?
[] :
[parentPromiseValue]);
resolvePromise(chainPromise, true, value);
}
catch (error) {
// if error occurs, should always return this error
resolvePromise(chainPromise, false, error);
}
}, chainPromise);
}
var ZONE_AWARE_PROMISE_TO_STRING = 'function ZoneAwarePromise() { [native code] }';
var ZoneAwarePromise = /** @class */ (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) {
resolve = res;
reject = rej;
});
function onResolve(value) {
promise && (promise = null || resolve(value));
}
function onReject(error) {
promise && (promise = null || reject(error));
}
for (var _i = 0, values_1 = values; _i < values_1.length; _i++) {
var value = values_1[_i];
if (!isThenable(value)) {
value = this.resolve(value);
}
value.then(onResolve, onReject);
}
return promise;
};
ZoneAwarePromise.all = function (values) {
var resolve;
var reject;
var promise = new this(function (res, rej) {
resolve = res;
reject = rej;
});
var count = 0;
var resolvedValues = [];
for (var _i = 0, values_2 = values; _i < values_2.length; _i++) {
var value = values_2[_i];
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++;
}
if (!count)
resolve(resolvedValues);
return promise;
};
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);
};
ZoneAwarePromise.prototype.finally = function (onFinally) {
var chainPromise = new this.constructor(null);
chainPromise[symbolFinally] = symbolFinally;
var zone = Zone.current;
if (this[symbolState] == UNRESOLVED) {
this[symbolValue].push(zone, chainPromise, onFinally, onFinally);
}
else {
scheduleResolveOrReject(this, zone, chainPromise, onFinally, onFinally);
}
return chainPromise;
};
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 = ObjectGetOwnPropertyDescriptor(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);
}
};
ObjectDefineProperty(global, 'Promise', desc);
}
global['Promise'] = ZoneAwarePromise;
var symbolThenPatched = __symbol__('thenPatched');
function patchThen(Ctor) {
var proto = Ctor.prototype;
var prop = ObjectGetOwnPropertyDescriptor(proto, 'then');
if (prop && (prop.writable === false || !prop.configurable)) {
// check Ctor.prototype.then propertyDescriptor is writable or not
// in meteor env, writable is false, we should ignore such case
return;
}
var originalThen = proto.then;
// Keep a reference to the original method.
proto[symbolThen] = originalThen;
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;
}
api.patchThen = patchThen;
if (NativePromise) {
patchThen(NativePromise);
}
// 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
*/
Zone.__load_patch('fetch', function (global, Zone, api) {
var fetch = global['fetch'];
var ZoneAwarePromise = global.Promise;
var symbolThenPatched = api.symbol('thenPatched');
var fetchTaskScheduling = api.symbol('fetchTaskScheduling');
var fetchTaskAborting = api.symbol('fetchTaskAborting');
if (typeof fetch !== 'function') {
return;
}
var OriginalAbortController = global['AbortController'];
var supportAbort = typeof OriginalAbortController === 'function';
var abortNative = null;
if (supportAbort) {
global['AbortController'] = function () {
var abortController = new OriginalAbortController();
var signal = abortController.signal;
signal.abortController = abortController;
return abortController;
};
abortNative = api.patchMethod(OriginalAbortController.prototype, 'abort', function (delegate) { return function (self, args) {
if (self.task) {
return self.task.zone.cancelTask(self.task);
}
return delegate.apply(self, args);
}; });
}
var placeholder = function () { };
global['fetch'] = function () {
var _this = this;
var args = Array.prototype.slice.call(arguments);
var options = args.length > 1 ? args[1] : null;
var signal = options && options.signal;
return new Promise(function (res, rej) {
var task = Zone.current.scheduleMacroTask('fetch', placeholder, args, function () {
var fetchPromise;
var zone = Zone.current;
try {
zone[fetchTaskScheduling] = true;
fetchPromise = fetch.apply(_this, args);
}
catch (error) {
rej(error);
return;
}
finally {
zone[fetchTaskScheduling] = false;
}
if (!(fetchPromise instanceof ZoneAwarePromise)) {
var ctor = fetchPromise.constructor;
if (!ctor[symbolThenPatched]) {
api.patchThen(ctor);
}
}
fetchPromise.then(function (resource) {
if (task.state !== 'notScheduled') {
task.invoke();
}
res(resource);
}, function (error) {
if (task.state !== 'notScheduled') {
task.invoke();
}
rej(error);
});
}, function () {
if (!supportAbort) {
rej('No AbortController supported, can not cancel fetch');
return;
}
if (signal && signal.abortController && !signal.aborted &&
typeof signal.abortController.abort === 'function' && abortNative) {
try {
Zone.current[fetchTaskAborting] = true;
abortNative.call(signal.abortController);
}
finally {
Zone.current[fetchTaskAborting] = false;
}
}
else {
rej('cancel fetch need a AbortController.signal');
}
});
if (signal && signal.abortController) {
signal.abortController.task = task;
}
});
};
});
/**
* @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}
*/
// issue #989, to reduce bundle size, use short name
/** Object.getOwnPropertyDescriptor */
var ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
/** Object.defineProperty */
var ObjectDefineProperty = Object.defineProperty;
/** Object.getPrototypeOf */
var ObjectGetPrototypeOf = Object.getPrototypeOf;
/** Object.create */
var ObjectCreate = Object.create;
/** Array.prototype.slice */
var ArraySlice = Array.prototype.slice;
/** addEventListener string const */
var ADD_EVENT_LISTENER_STR = 'addEventListener';
/** removeEventListener string const */
var REMOVE_EVENT_LISTENER_STR = 'removeEventListener';
/** zoneSymbol addEventListener */
var ZONE_SYMBOL_ADD_EVENT_LISTENER = Zone.__symbol__(ADD_EVENT_LISTENER_STR);
/** zoneSymbol removeEventListener */
var ZONE_SYMBOL_REMOVE_EVENT_LISTENER = Zone.__symbol__(REMOVE_EVENT_LISTENER_STR);
/** true string const */
var TRUE_STR = 'true';
/** false string const */
var FALSE_STR = 'false';
/** __zone_symbol__ string const */
var ZONE_SYMBOL_PREFIX = '__zone_symbol__';
function wrapWithCurrentZone(callback, source) {
return Zone.current.wrap(callback, source);
}
function scheduleMacroTaskWithCurrentZone(source, callback, data, customSchedule, customCancel) {
return Zone.current.scheduleMacroTask(source, callback, data, customSchedule, customCancel);
}
var zoneSymbol = Zone.__symbol__;
var isWindowExists = typeof window !== 'undefined';
var internalWindow = isWindowExists ? window : undefined;
var _global = isWindowExists && internalWindow || typeof self === 'object' && self || global;
var REMOVE_ATTRIBUTE = 'removeAttribute';
var NULL_ON_PROP_VALUE = [null];
function bindArguments(args, source) {
for (var i = args.length - 1; i >= 0; i--) {
if (typeof args[i] === 'function') {
args[i] = wrapWithCurrentZone(args[i], source + '_' + i);
}
}
return args;
}
function patchPrototype(prototype, fnNames) {
var source = prototype.constructor['name'];
var _loop_1 = function (i) {
var name_1 = fnNames[i];
var delegate = prototype[name_1];
if (delegate) {
var prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, name_1);
if (!isPropertyWritable(prototypeDesc)) {
return "continue";
}
prototype[name_1] = (function (delegate) {
var patched = function () {
return delegate.apply(this, bindArguments(arguments, source + '.' + name_1));
};
attachOriginToPatched(patched, delegate);
return patched;
})(delegate);
}
};
for (var i = 0; i < fnNames.length; i++) {
_loop_1(i);
}
}
function isPropertyWritable(propertyDesc) {
if (!propertyDesc) {
return true;
}
if (propertyDesc.writable === false) {
return false;
}
return !(typeof propertyDesc.get === 'function' && typeof propertyDesc.set === 'undefined');
}
var isWebWorker = (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope);
// Make sure to access `process` through `_global` so that WebPack does not accidentally browserify
// this code.
var isNode = (!('nw' in _global) && typeof _global.process !== 'undefined' &&
{}.toString.call(_global.process) === '[object process]');
var isBrowser = !isNode && !isWebWorker && !!(isWindowExists && internalWindow['HTMLElement']);
// 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 accidentally browserify
// this code.
var isMix = typeof _global.process !== 'undefined' &&
{}.toString.call(_global.process) === '[object process]' && !isWebWorker &&
!!(isWindowExists && internalWindow['HTMLElement']);
var zoneSymbolEventNames = {};
var wrapFn = 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;
}
var eventNameSymbol = zoneSymbolEventNames[event.type];
if (!eventNameSymbol) {
eventNameSymbol = zoneSymbolEventNames[event.type] = zoneSymbol('ON_PROPERTY' + event.type);
}
var target = this || event.target || _global;
var listener = target[eventNameSymbol];
var result;
if (isBrowser && target === internalWindow && event.type === 'error') {
// window.onerror have different signiture
// https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onerror#window.onerror
// and onerror callback will prevent default when callback return true
var errorEvent = event;
result = listener &&
listener.call(this, errorEvent.message, errorEvent.filename, errorEvent.lineno, errorEvent.colno, errorEvent.error);
if (result === true) {
event.preventDefault();
}
}
else {
result = listener && listener.apply(this, arguments);
if (result != undefined && !result) {
event.preventDefault();
}
}
return result;
};
function patchProperty(obj, prop, prototype) {
var desc = ObjectGetOwnPropertyDescriptor(obj, prop);
if (!desc && prototype) {
// when patch window object, use prototype to check prop exist or not
var prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, prop);
if (prototypeDesc) {
desc = { enumerable: true, configurable: true };
}
}
// if the descriptor not exists or is not configurable
// just return
if (!desc || !desc.configurable) {
return;
}
var onPropPatchedSymbol = zoneSymbol('on' + prop + 'patched');
if (obj.hasOwnProperty(onPropPatchedSymbol) && obj[onPropPatchedSymbol]) {
return;
}
// A property descriptor cannot have getter/setter and be writable
// deleting the writable and value properties avoids this error:
//
// TypeError: property descriptors must not specify a value or be writable when a
// getter or setter has been specified
delete desc.writable;
delete desc.value;
var originalDescGet = desc.get;
var originalDescSet = desc.set;
// substr(2) cuz 'onclick' -> 'click', etc
var eventName = prop.substr(2);
var eventNameSymbol = zoneSymbolEventNames[eventName];
if (!eventNameSymbol) {
eventNameSymbol = zoneSymbolEventNames[eventName] = zoneSymbol('ON_PROPERTY' + eventName);
}
desc.set = function (newValue) {
// in some of windows's onproperty callback, this is undefined
// so we need to check it
var target = this;
if (!target && obj === _global) {
target = _global;
}
if (!target) {
return;
}
var previousValue = target[eventNameSymbol];
if (previousValue) {
target.removeEventListener(eventName, wrapFn);
}
// issue #978, when onload handler was added before loading zone.js
// we should remove it with originalDescSet
if (originalDescSet) {
originalDescSet.apply(target, NULL_ON_PROP_VALUE);
}
if (typeof newValue === 'function') {
target[eventNameSymbol] = newValue;
target.addEventListener(eventName, wrapFn, false);
}
else {
target[eventNameSymbol] = null;
}
};
// The getter would return undefined for unassigned properties but the default value of an
// unassigned property is null
desc.get = function () {
// in some of windows's onproperty callback, this is undefined
// so we need to check it
var target = this;
if (!target && obj === _global) {
target = _global;
}
if (!target) {
return null;
}
var listener = target[eventNameSymbol];
if (listener) {
return listener;
}
else if (originalDescGet) {
// result will be null when use inline event attribute,
// such as <button onclick="func();">OK</button>
// because the onclick function is internal raw uncompiled handler
// the onclick will be evaluated when first time event was triggered or
// the property is accessed, https://github.com/angular/zone.js/issues/525
// so we should use original native get to retrieve the handler
var value = originalDescGet && originalDescGet.call(this);
if (value) {
desc.set.call(this, value);
if (typeof target[REMOVE_ATTRIBUTE] === 'function') {
target.removeAttribute(prop);
}
return value;
}
}
return null;
};
ObjectDefineProperty(obj, prop, desc);
obj[onPropPatchedSymbol] = true;
}
function patchOnProperties(obj, properties, prototype) {
if (properties) {
for (var i = 0; i < properties.length; i++) {
patchProperty(obj, 'on' + properties[i], prototype);
}
}
else {
var onProperties = [];
for (var prop in obj) {
if (prop.substr(0, 2) == 'on') {
onProperties.push(prop);
}
}
for (var j = 0; j < onProperties.length; j++) {
patchProperty(obj, onProperties[j], prototype);
}
}
}
var originalInstanceKey = zoneSymbol('originalInstance');
// wrap some native API on `window`
function patchClass(className) {
var OriginalClass = _global[className];
if (!OriginalClass)
return;
// keep original class in global
_global[zoneSymbol(className)] = OriginalClass;
_global[className] = function () {
var a = bindArguments(arguments, className);
switch (a.length) {
case 0:
this[originalInstanceKey] = new OriginalClass();
break;
case 1:
this[originalInstanceKey] = new OriginalClass(a[0]);
break;
case 2:
this[originalInstanceKey] = new OriginalClass(a[0], a[1]);
break;
case 3:
this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2]);
break;
case 4:
this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2], a[3]);
break;
default:
throw new Error('Arg list too long.');
}
};
// attach original delegate to patched function
attachOriginToPatched(_global[className], OriginalClass);
var instance = new OriginalClass(function () { });
var prop;
for (prop in instance) {
// https://bugs.webkit.org/show_bug.cgi?id=44721
if (className === 'XMLHttpRequest' && prop === 'responseBlob')
continue;
(function (prop) {
if (typeof instance[prop] === 'function') {
_global[className].prototype[prop] = function () {
return this[originalInstanceKey][prop].apply(this[originalInstanceKey], arguments);
};
}
else {
ObjectDefineProperty(_global[className].prototype, prop, {
set: function (fn) {
if (typeof fn === 'function') {
this[originalInstanceKey][prop] = wrapWithCurrentZone(fn, className + '.' + prop);
// keep callback in wrapped function so we can
// use it in Function.prototype.toString to return
// the native one.
attachOriginToPatched(this[originalInstanceKey][prop], fn);
}
else {
this[originalInstanceKey][prop] = fn;
}
},
get: function () {
return this[originalInstanceKey][prop];
}
});
}
}(prop));
}
for (prop in OriginalClass) {
if (prop !== 'prototype' && OriginalClass.hasOwnProperty(prop)) {
_global[className][prop] = OriginalClass[prop];
}
}
}
function copySymbolProperties(src, dest) {
if (typeof Object.getOwnPropertySymbols !== 'function') {
return;
}
var symbols = Object.getOwnPropertySymbols(src);
symbols.forEach(function (symbol) {
var desc = Object.getOwnPropertyDescriptor(src, symbol);
Object.defineProperty(dest, symbol, {
get: function () {
return src[symbol];
},
set: function (value) {
if (desc && (!desc.writable || typeof desc.set !== 'function')) {
// if src[symbol] is not writable or not have a setter, just return
return;
}
src[symbol] = value;
},
enumerable: desc ? desc.enumerable : true,
configurable: desc ? desc.configurable : true
});
});
}
var shouldCopySymbolProperties = false;
function patchMethod(target, name, patchFn) {
var proto = target;
while (proto && !proto.hasOwnProperty(name)) {
proto = ObjectGetPrototypeOf(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 = null;
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 && ObjectGetOwnPropertyDescriptor(proto, name);
if (isPropertyWritable(desc)) {
var patchDelegate_1 = patchFn(delegate, delegateName, name);
proto[name] = function () {
return patchDelegate_1(this, arguments);
};
attachOriginToPatched(proto[name], delegate);
if (shouldCopySymbolProperties) {
copySymbolProperties(delegate, proto[name]);
}
}
}
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.cbIdx] = 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.cbIdx >= 0 && typeof args[meta.cbIdx] === 'function') {
return scheduleMacroTaskWithCurrentZone(meta.name, args[meta.cbIdx], meta, scheduleTask);
}
else {
// cause an error by calling it directly.
return delegate.apply(self, args);
}
}; });
}
function attachOriginToPatched(patched, original) {
patched[zoneSymbol('OriginalDelegate')] = original;
}
var isDetectedIEOrEdge = false;
var ieOrEdge = false;
function isIE() {
try {
var ua = internalWindow.navigator.userAgent;
if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1) {
return true;
}
}
catch (error) {
}
return false;
}
function isIEOrEdge() {
if (isDetectedIEOrEdge) {
return ieOrEdge;
}
isDetectedIEOrEdge = true;
try {
var ua = internalWindow.navigator.userAgent;
if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1 || ua.indexOf('Edge/') !== -1) {
ieOrEdge = true;
}
return ieOrEdge;
}
catch (error) {
}
}
/**
* @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) {
// patch Func.prototype.toString to let them look like native
var originalFunctionToString = Function.prototype.toString;
var ORIGINAL_DELEGATE_SYMBOL = zoneSymbol('OriginalDelegate');
var PROMISE_SYMBOL = zoneSymbol('Promise');
var ERROR_SYMBOL = zoneSymbol('Error');
var newFunctionToString = function toString() {
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);
};
newFunctionToString[ORIGINAL_DELEGATE_SYMBOL] = originalFunctionToString;
Function.prototype.toString = newFunctionToString;
// 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 passiveSupported = false;
if (typeof window !== 'undefined') {
try {
var options = Object.defineProperty({}, 'passive', {
get: function () {
passiveSupported = true;
}
});
window.addEventListener('test', options, options);
window.removeEventListener('test', options, options);
}
catch (err) {
passiveSupported = false;
}
}
// an identifier to tell ZoneTask do not create a new invoke closure
var OPTIMIZED_ZONE_EVENT_TASK_DATA = {
useG: true
};
var zoneSymbolEventNames$1 = {};
var globalSources = {};
var EVENT_NAME_SYMBOL_REGX = /^__zone_symbol__(\w+)(true|false)$/;
var IMMEDIATE_PROPAGATION_SYMBOL = ('__zone_symbol__propagationStopped');
function patchEventTarget(_global, apis, patchOptions) {
var ADD_EVENT_LISTENER = (patchOptions && patchOptions.add) || ADD_EVENT_LISTENER_STR;
var REMOVE_EVENT_LISTENER = (patchOptions && patchOptions.rm) || REMOVE_EVENT_LISTENER_STR;
var LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.listeners) || 'eventListeners';
var REMOVE_ALL_LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.rmAll) || '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' && 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].call(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 Samsung 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 Samsung 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.useG !== undefined) {
useGlobalCallback = patchOptions.useG;
}
var validateHandler = patchOptions && patchOptions.vh;
var checkDuplicate = true;
if (patchOptions && patchOptions.chkDup !== undefined) {
checkDuplicate = patchOptions.chkDup;
}
var returnTarget = false;
if (patchOptions && patchOptions.rt !== undefined) {
returnTarget = patchOptions.rt;
}
var proto = obj;
while (proto && !proto.hasOwnProperty(ADD_EVENT_LISTENER)) {
proto = ObjectGetPrototypeOf(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.prepend) {
nativePrependEventListener = proto[zoneSymbol(patchOptions.prepend)] =
proto[patchOptions.prepend];
}
function checkIsPassive(task) {
if (!passiveSupported && typeof taskData.options !== 'boolean' &&
typeof taskData.options !== 'undefined' && taskData.options !== null) {
// options is a non-null non-undefined object
// passive is not supported
// don't pass options as object
// just pass capture as a boolean
task.options = !!taskData.options.capture;
taskData.options = task.options;
}
}
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;
}
checkIsPassive(task);
return nativeAddEventListener.call(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.call(task.target, task.eventName, task.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, task.options);
};
var customScheduleNonGlobal = function (task) {
checkIsPassive(task);
return nativeAddEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);
};
var customSchedulePrepend = function (task) {
return nativePrependEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);
};
var customCancelNonGlobal = function (task) {
return nativeRemoveEventListener.call(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;
return (typeOfDelegate === 'function' && task.callback === delegate) ||
(typeOfDelegate === 'object' && task.originalDelegate === delegate);
};
var compare = (patchOptions && patchOptions.diff) ? patchOptions.diff : compareTaskCallbackVsDelegate;
var blackListedEvents = Zone[Zone.__symbol__('BLACK_LISTED_EVENTS')];
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 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') {
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];
if (blackListedEvents) {
// check black list
for (var i = 0; i < blackListedEvents.length; i++) {
if (eventName === blackListedEvents[i]) {
return nativeListener.apply(this, arguments);
}
}
}
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['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 : undefined;
// keep taskData into data to allow onScheduleEventTask to access the task information
if (data) {
data.taskData = taskData;
}
var task = zone.scheduleEventTask(source, delegate, data, customScheduleFn, customCancelFn);
// should clear taskData.target to avoid memory leak
// issue, https://github.com/angular/angular/issues/20442
taskData.target = null;
// need to clear up taskData because it is a global object
if (data) {
data.taskData = null;
}
// have to save those information to task in case
// application may call task.zone.cancelTask() directly
if (once) {
options.once = true;
}
if (!(!passiveSupported && typeof task.options === 'boolean')) {
// if not support passive, and we pass an option object
// to addEventListener, we should save the options to task
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];
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);
if (returnTarget) {
return target;
}
return;
}
}
}
// issue 930, didn't find the event name or callback
// from zone kept existingTasks, the callback maybe
// added outside of zone, we need to call native removeEventListener
// to try to remove it.
return nativeRemoveEventListener.apply(this, arguments);
};
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].call(this, evtName);
}
}
// remove removeListener listener finally
this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(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 = tasks.slice();
for (var i = 0; i < removeTasks.length; i++) {
var task = removeTasks[i];
var delegate = task.originalDelegate ? task.originalDelegate : task.callback;
this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options);
}
}
if (captureTasks) {
var removeTasks = captureTasks.slice();
for (var i = 0; i < removeTasks.length; i++) {
var task = removeTasks[i];
var delegate = task.originalDelegate ? task.originalDelegate : task.callback;
this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options);
}
}
}
}
if (returnTarget) {
return this;
}
};
// 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;
}
function patchEventPrototype(global, api) {
var Event = global['Event'];
if (Event && Event.prototype) {
api.patchMethod(Event.prototype, 'stopImmediatePropagation', function (delegate) { return function (self, args) {
self[IMMEDIATE_PROPAGATION_SYMBOL] = true;
// we need to call the native stopImmediatePropagation
// in case in some hybrid application, some part of
// application will be controlled by zone, some are not
delegate && delegate.apply(self, 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
*/
/**
* @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 = {};
function scheduleTask(task) {
var data = task.data;
function timer() {
try {
task.invoke.apply(this, arguments);
}
finally {
// issue-934, task will be cancelled
// even it is a periodic task such as
// setInterval
if (!(task.data && task.data.isPeriodic)) {
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 options = {
isPeriodic: nameSuffix === 'Interval',
delay: (nameSuffix === 'Timeout' || nameSuffix === 'Interval') ? args[1] || 0 :
undefined,
args: args
};
var task = scheduleMacroTaskWithCurrentZone(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 !== 'notScheduled' &&
(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
*/
/*
* This is necessary for Chrome and Chrome mobile, to enable
* things like redefining `createdCallback` on an element.
*/
var _defineProperty = Object[zoneSymbol('defineProperty')] = Object.defineProperty;
var _getOwnPropertyDescriptor = Object[zoneSymbol('getOwnPropertyDescriptor')] =
Object.getOwnPropertyDescriptor;
var _create = Object.create;
var unconfigurablesKey = zoneSymbol('unconfigurables');
function propertyPatch() {
Object.defineProperty = function (obj, prop, desc) {
if (isUnconfigurable(obj, prop)) {
throw new TypeError('Cannot assign to read only property \'' + prop + '\' of ' + obj);
}
var originalConfigurableFlag = desc.configurable;
if (prop !== 'prototype') {
desc = rewriteDescriptor(obj, prop, desc);
}
return _tryDefineProperty(obj, prop, desc, originalConfigurableFlag);
};
Object.defineProperties = function (obj, props) {
Object.keys(props).forEach(function (prop) {
Object.defineProperty(obj, prop, props[prop]);
});
return obj;
};
Object.create = function (obj, proto) {
if (typeof proto === 'object' && !Object.isFrozen(proto)) {
Object.keys(proto).forEach(function (prop) {
proto[prop] = rewriteDescriptor(obj, prop, proto[prop]);
});
}
return _create(obj, proto);
};
Object.getOwnPropertyDescriptor = function (obj, prop) {
var desc = _getOwnPropertyDescriptor(obj, prop);
if (desc && isUnconfigurable(obj, prop)) {
desc.configurable = false;
}
return desc;
};
}
function _redefineProperty(obj, prop, desc) {
var originalConfigurableFlag = desc.configurable;
desc = rewriteDescriptor(obj, prop, desc);
return _tryDefineProperty(obj, prop, desc, originalConfigurableFlag);
}
function isUnconfigurable(obj, prop) {
return obj && obj[unconfigurablesKey] && obj[unconfigurablesKey][prop];
}
function rewriteDescriptor(obj, prop, desc) {
// issue-927, if the desc is frozen, don't try to change the desc
if (!Object.isFrozen(desc)) {
desc.configurable = true;
}
if (!desc.configurable) {
// issue-927, if the obj is frozen, don't try to set the desc to obj
if (!obj[unconfigurablesKey] && !Object.isFrozen(obj)) {
_defineProperty(obj, unconfigurablesKey, { writable: true, value: {} });
}
if (obj[unconfigurablesKey]) {
obj[unconfigurablesKey][prop] = true;
}
}
return desc;
}
function _tryDefineProperty(obj, prop, desc, originalConfigurableFlag) {
try {
return _defineProperty(obj, prop, desc);
}
catch (error) {
if (desc.configurable) {
// In case of errors, when the configurable flag was likely set by rewriteDescriptor(), let's
// retry with the original flag value
if (typeof originalConfigurableFlag == 'undefined') {
delete desc.configurable;
}
else {
desc.configurable = originalConfigurableFlag;
}
try {
return _defineProperty(obj, prop, desc);
}
catch (error) {
var descJson = null;
try {
descJson = JSON.stringify(desc);
}
catch (error) {
descJson = desc.toString();
}
console.log("Attempting to configure '" + prop + "' with descriptor '" + descJson + "' on object '" + obj + "' and got error, giving up: " + error);
}
}
else {
throw error;
}
}
}
/**
* @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
*/
// we have to patch the instance since the proto is non-configurable
function apply(api, _global) {
var WS = _global.WebSocket;
// On Safari window.EventTarget doesn't exist so need to patch WS add/removeEventListener
// On older Chrome, no need since EventTarget was already patched
if (!_global.EventTarget) {
patchEventTarget(_global, [WS.prototype]);
}
_global.WebSocket = function (x, y) {
var socket = arguments.length > 1 ? new WS(x, y) : new WS(x);
var proxySocket;
var proxySocketProto;
// Safari 7.0 has non-configurable own 'onmessage' and friends properties on the socket instance
var onmessageDesc = ObjectGetOwnPropertyDescriptor(socket, 'onmessage');
if (onmessageDesc && onmessageDesc.configurable === false) {
proxySocket = ObjectCreate(socket);
// socket have own property descriptor 'onopen', 'onmessage', 'onclose', 'onerror'
// but proxySocket not, so we will keep socket as prototype and pass it to
// patchOnProperties method
proxySocketProto = socket;
[ADD_EVENT_LISTENER_STR, REMOVE_EVENT_LISTENER_STR, 'send', 'close'].forEach(function (propName) {
proxySocket[propName] = function () {
var args = ArraySlice.call(arguments);
if (propName === ADD_EVENT_LISTENER_STR || propName === REMOVE_EVENT_LISTENER_STR) {
var eventName = args.length > 0 ? args[0] : undefined;
if (eventName) {
var propertySymbol = Zone.__symbol__('ON_PROPERTY' + eventName);
socket[propertySymbol] = proxySocket[propertySymbol];
}
}
return socket[propName].apply(socket, args);
};
});
}
else {
// we can patch the real socket
proxySocket = socket;
}
patchOnProperties(proxySocket, ['close', 'error', 'message', 'open'], proxySocketProto);
return proxySocket;
};
var globalWebSocket = _global['WebSocket'];
for (var prop in WS) {
globalWebSocket[prop] = WS[prop];
}
}
/**
* @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 {globalThis}
*/
var globalEventHandlersEventNames = [
'abort',
'animationcancel',
'animationend',
'animationiteration',
'auxclick',
'beforeinput',
'blur',
'cancel',
'canplay',
'canplaythrough',
'change',
'compositionstart',
'compositionupdate',
'compositionend',
'cuechange',
'click',
'close',
'contextmenu',
'curechange',
'dblclick',
'drag',
'dragend',
'dragenter',
'dragexit',
'dragleave',
'dragover',
'drop',
'durationchange',
'emptied',
'ended',
'error',
'focus',
'focusin',
'focusout',
'gotpointercapture',
'input',
'invalid',
'keydown',
'keypress',
'keyup',
'load',
'loadstart',
'loadeddata',
'loadedmetadata',
'lostpointercapture',
'mousedown',
'mouseenter',
'mouseleave',
'mousemove',
'mouseout',
'mouseover',
'mouseup',
'mousewheel',
'orientationchange',
'pause',
'play',
'playing',
'pointercancel',
'pointerdown',
'pointerenter',
'pointerleave',
'pointerlockchange',
'mozpointerlockchange',
'webkitpointerlockerchange',
'pointerlockerror',
'mozpointerlockerror',
'webkitpointerlockerror',
'pointermove',
'pointout',
'pointerover',
'pointerup',
'progress',
'ratechange',
'reset',
'resize',
'scroll',
'seeked',
'seeking',
'select',
'selectionchange',
'selectstart',
'show',
'sort',
'stalled',
'submit',
'suspend',
'timeupdate',
'volumechange',
'touchcancel',
'touchmove',
'touchstart',
'touchend',
'transitioncancel',
'transitionend',
'waiting',
'wheel'
];
var documentEventNames = [
'afterscriptexecute', 'beforescriptexecute', 'DOMContentLoaded', 'fullscreenchange',
'mozfullscreenchange', 'webkitfullscreenchange', 'msfullscreenchange', 'fullscreenerror',
'mozfullscreenerror', 'webkitfullscreenerror', 'msfullscreenerror', 'readystatechange',
'visibilitychange'
];
var windowEventNames = [
'absolutedeviceorientation',
'afterinput',
'afterprint',
'appinstalled',
'beforeinstallprompt',
'beforeprint',
'beforeunload',
'devicelight',
'devicemotion',
'deviceorientation',
'deviceorientationabsolute',
'deviceproximity',
'hashchange',
'languagechange',
'message',
'mozbeforepaint',
'offline',
'online',
'paint',
'pageshow',
'pagehide',
'popstate',
'rejectionhandled',
'storage',
'unhandledrejection',
'unload',
'userproximity',
'vrdisplyconnected',
'vrdisplaydisconnected',
'vrdisplaypresentchange'
];
var htmlElementEventNames = [
'beforecopy', 'beforecut', 'beforepaste', 'copy', 'cut', 'paste', 'dragstart', 'loadend',
'animationstart', 'search', 'transitionrun', 'transitionstart', 'webkitanimationend',
'webkitanimationiteration', 'webkitanimationstart', 'webkittransitionend'
];
var mediaElementEventNames = ['encrypted', 'waitingforkey', 'msneedkey', 'mozinterruptbegin', 'mozinterruptend'];
var ieElementEventNames = [
'activate',
'afterupdate',
'ariarequest',
'beforeactivate',
'beforedeactivate',
'beforeeditfocus',
'beforeupdate',
'cellchange',
'controlselect',
'dataavailable',
'datasetchanged',
'datasetcomplete',
'errorupdate',
'filterchange',
'layoutcomplete',
'losecapture',
'move',
'moveend',
'movestart',
'propertychange',
'resizeend',
'resizestart',
'rowenter',
'rowexit',
'rowsdelete',
'rowsinserted',
'command',
'compassneedscalibration',
'deactivate',
'help',
'mscontentzoom',
'msmanipulationstatechanged',
'msgesturechange',
'msgesturedoubletap',
'msgestureend',
'msgesturehold',
'msgesturestart',
'msgesturetap',
'msgotpointercapture',
'msinertiastart',
'mslostpointercapture',
'mspointercancel',
'mspointerdown',
'mspointerenter',
'mspointerhover',
'mspointerleave',
'mspointermove',
'mspointerout',
'mspointerover',
'mspointerup',
'pointerout',
'mssitemodejumplistitemremoved',
'msthumbnailclick',
'stop',
'storagecommit'
];
var webglEventNames = ['webglcontextrestored', 'webglcontextlost', 'webglcontextcreationerror'];
var formEventNames = ['autocomplete', 'autocompleteerror'];
var detailEventNames = ['toggle'];
var frameEventNames = ['load'];
var frameSetEventNames = ['blur', 'error', 'focus', 'load', 'resize', 'scroll', 'messageerror'];
var marqueeEventNames = ['bounce', 'finish', 'start'];
var XMLHttpRequestEventNames = [
'loadstart', 'progress', 'abort', 'error', 'load', 'progress', 'timeout', 'loadend',
'readystatechange'
];
var IDBIndexEventNames = ['upgradeneeded', 'complete', 'abort', 'success', 'error', 'blocked', 'versionchange', 'close'];
var websocketEventNames = ['close', 'error', 'open', 'message'];
var workerEventNames = ['error', 'message'];
var eventNames = globalEventHandlersEventNames.concat(webglEventNames, formEventNames, detailEventNames, documentEventNames, windowEventNames, htmlElementEventNames, ieElementEventNames);
function filterProperties(target, onProperties, ignoreProperties) {
if (!ignoreProperties || ignoreProperties.length === 0) {
return onProperties;
}
var tip = ignoreProperties.filter(function (ip) { return ip.target === target; });
if (!tip || tip.length === 0) {
return onProperties;
}
var targetIgnoreProperties = tip[0].ignoreProperties;
return onProperties.filter(function (op) { return targetIgnoreProperties.indexOf(op) === -1; });
}
function patchFilteredProperties(target, onProperties, ignoreProperties, prototype) {
// check whether target is available, sometimes target will be undefined
// because different browser or some 3rd party plugin.
if (!target) {
return;
}
var filteredProperties = filterProperties(target, onProperties, ignoreProperties);
patchOnProperties(target, filteredProperties, prototype);
}
function propertyDescriptorPatch(api, _global) {
if (isNode && !isMix) {
return;
}
var supportsWebSocket = typeof WebSocket !== 'undefined';
if (canPatchViaPropertyDescriptor()) {
var ignoreProperties = _global.__Zone_ignore_on_properties;
// for browsers that we can patch the descriptor: Chrome & Firefox
if (isBrowser) {
var internalWindow = window;
var ignoreErrorProperties = isIE ? [{ target: internalWindow, ignoreProperties: ['error'] }] : [];
// in IE/Edge, onProp not exist in window object, but in WindowPrototype
// so we need to pass WindowPrototype to check onProp exist or not
patchFilteredProperties(internalWindow, eventNames.concat(['messageerror']), ignoreProperties ? ignoreProperties.concat(ignoreErrorProperties) : ignoreProperties, ObjectGetPrototypeOf(internalWindow));
patchFilteredProperties(Document.prototype, eventNames, ignoreProperties);
if (typeof internalWindow['SVGElement'] !== 'undefined') {
patchFilteredProperties(internalWindow['SVGElement'].prototype, eventNames, ignoreProperties);
}
patchFilteredProperties(Element.prototype, eventNames, ignoreProperties);
patchFilteredProperties(HTMLElement.prototype, eventNames, ignoreProperties);
patchFilteredProperties(HTMLMediaElement.prototype, mediaElementEventNames, ignoreProperties);
patchFilteredProperties(HTMLFrameSetElement.prototype, windowEventNames.concat(frameSetEventNames), ignoreProperties);
patchFilteredProperties(HTMLBodyElement.prototype, windowEventNames.concat(frameSetEventNames), ignoreProperties);
patchFilteredProperties(HTMLFrameElement.prototype, frameEventNames, ignoreProperties);
patchFilteredProperties(HTMLIFrameElement.prototype, frameEventNames, ignoreProperties);
var HTMLMarqueeElement_1 = internalWindow['HTMLMarqueeElement'];
if (HTMLMarqueeElement_1) {
patchFilteredProperties(HTMLMarqueeElement_1.prototype, marqueeEventNames, ignoreProperties);
}
var Worker_1 = internalWindow['Worker'];
if (Worker_1) {
patchFilteredProperties(Worker_1.prototype, workerEventNames, ignoreProperties);
}
}
patchFilteredProperties(XMLHttpRequest.prototype, XMLHttpRequestEventNames, ignoreProperties);
var XMLHttpRequestEventTarget = _global['XMLHttpRequestEventTarget'];
if (XMLHttpRequestEventTarget) {
patchFilteredProperties(XMLHttpRequestEventTarget && XMLHttpRequestEventTarget.prototype, XMLHttpRequestEventNames, ignoreProperties);
}
if (typeof IDBIndex !== 'undefined') {
patchFilteredProperties(IDBIndex.prototype, IDBIndexEventNames, ignoreProperties);
patchFilteredProperties(IDBRequest.prototype, IDBIndexEventNames, ignoreProperties);
patchFilteredProperties(IDBOpenDBRequest.prototype, IDBIndexEventNames, ignoreProperties);
patchFilteredProperties(IDBDatabase.prototype, IDBIndexEventNames, ignoreProperties);
patchFilteredProperties(IDBTransaction.prototype, IDBIndexEventNames, ignoreProperties);
patchFilteredProperties(IDBCursor.prototype, IDBIndexEventNames, ignoreProperties);
}
if (supportsWebSocket) {
patchFilteredProperties(WebSocket.prototype, websocketEventNames, ignoreProperties);
}
}
else {
// Safari, Android browsers (Jelly Bean)
patchViaCapturingAllTheEvents();
patchClass('XMLHttpRequest');
if (supportsWebSocket) {
apply(api, _global);
}
}
}
function canPatchViaPropertyDescriptor() {
if ((isBrowser || isMix) && !ObjectGetOwnPropertyDescriptor(HTMLElement.prototype, 'onclick') &&
typeof Element !== 'undefined') {
// WebKit https://bugs.webkit.org/show_bug.cgi?id=134364
// IDL interface attributes are not configurable
var desc = ObjectGetOwnPropertyDescriptor(Element.prototype, 'onclick');
if (desc && !desc.configurable)
return false;
}
var ON_READY_STATE_CHANGE = 'onreadystatechange';
var XMLHttpRequestPrototype = XMLHttpRequest.prototype;
var xhrDesc = ObjectGetOwnPropertyDescriptor(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE);
// add enumerable and configurable here because in opera
// by default XMLHttpRequest.prototype.onreadystatechange is undefined
// without adding enumerable and configurable will cause onreadystatechange
// non-configurable
// and if XMLHttpRequest.prototype.onreadystatechange is undefined,
// we should set a real desc instead a fake one
if (xhrDesc) {
ObjectDefineProperty(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE, {
enumerable: true,
configurable: true,
get: function () {
return true;
}
});
var req = new XMLHttpRequest();
var result = !!req.onreadystatechange;
// restore original desc
ObjectDefineProperty(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE, xhrDesc || {});
return result;
}
else {
var SYMBOL_FAKE_ONREADYSTATECHANGE_1 = zoneSymbol('fake');
ObjectDefineProperty(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE, {
enumerable: true,
configurable: true,
get: function () {
return this[SYMBOL_FAKE_ONREADYSTATECHANGE_1];
},
set: function (value) {
this[SYMBOL_FAKE_ONREADYSTATECHANGE_1] = value;
}
});
var req = new XMLHttpRequest();
var detectFunc = function () { };
req.onreadystatechange = detectFunc;
var result = req[SYMBOL_FAKE_ONREADYSTATECHANGE_1] === detectFunc;
req.onreadystatechange = null;
return result;
}
}
var unboundKey = zoneSymbol('unbound');
// Whenever any eventListener fires, we check the eventListener target and all parents
// for `onwhatever` properties and replace them with zone-bound functions
// - Chrome (for now)
function patchViaCapturingAllTheEvents() {
var _loop_1 = function (i) {
var property = eventNames[i];
var onproperty = 'on' + property;
self.addEventListener(property, function (event) {
var elt = event.target, bound, source;
if (elt) {
source = elt.constructor['name'] + '.' + onproperty;
}
else {
source = 'unknown.' + onproperty;
}
while (elt) {
if (elt[onproperty] && !elt[onproperty][unboundKey]) {
bound = wrapWithCurrentZone(elt[onproperty], source);
bound[unboundKey] = elt[onproperty];
elt[onproperty] = bound;
}
elt = elt.parentElement;
}
}, true);
};
for (var i = 0; i < eventNames.length; i++) {
_loop_1(i);
}
}
/**
* @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 eventTargetPatch(_global, api) {
var WTF_ISSUE_555 = 'Anchor,Area,Audio,BR,Base,BaseFont,Body,Button,Canvas,Content,DList,Directory,Div,Embed,FieldSet,Font,Form,Frame,FrameSet,HR,Head,Heading,Html,IFrame,Image,Input,Keygen,LI,Label,Legend,Link,Map,Marquee,Media,Menu,Meta,Meter,Mod,OList,Object,OptGroup,Option,Output,Paragraph,Pre,Progress,Quote,Script,Select,Source,Span,Style,TableCaption,TableCell,TableCol,Table,TableRow,TableSection,TextArea,Title,Track,UList,Unknown,Video';
var NO_EVENT_TARGET = 'ApplicationCache,EventSource,FileReader,InputMethodContext,MediaController,MessagePort,Node,Performance,SVGElementInstance,SharedWorker,TextTrack,TextTrackCue,TextTrackList,WebKitNamedFlow,Window,Worker,WorkerGlobalScope,XMLHttpRequest,XMLHttpRequestEventTarget,XMLHttpRequestUpload,IDBRequest,IDBOpenDBRequest,IDBDatabase,IDBTransaction,IDBCursor,DBIndex,WebSocket'
.split(',');
var EVENT_TARGET = 'EventTarget';
var apis = [];
var isWtf = _global['wtf'];
var WTF_ISSUE_555_ARRAY = WTF_ISSUE_555.split(',');
if (isWtf) {
// Workaround for: https://github.com/google/tracing-framework/issues/555
apis = WTF_ISSUE_555_ARRAY.map(function (v) { return 'HTML' + v + 'Element'; }).concat(NO_EVENT_TARGET);
}
else if (_global[EVENT_TARGET]) {
apis.push(EVENT_TARGET);
}
else {
// Note: EventTarget is not available in all browsers,
// if it's not available, we instead patch the APIs in the IDL that inherit from EventTarget
apis = NO_EVENT_TARGET;
}
var isDisableIECheck = _global['__Zone_disable_IE_check'] || false;
var isEnableCrossContextCheck = _global['__Zone_enable_cross_context_check'] || false;
var ieOrEdge = isIEOrEdge();
var ADD_EVENT_LISTENER_SOURCE = '.addEventListener:';
var FUNCTION_WRAPPER = '[object FunctionWrapper]';
var BROWSER_TOOLS = 'function __BROWSERTOOLS_CONSOLE_SAFEFUNC() { [native code] }';
// predefine all __zone_symbol__ + eventName + true/false string
for (var i = 0; i < eventNames.length; i++) {
var eventName = eventNames[i];
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;
}
// predefine all task.source string
for (var i = 0; i < WTF_ISSUE_555.length; i++) {
var target = WTF_ISSUE_555_ARRAY[i];
var targets = globalSources[target] = {};
for (var j = 0; j < eventNames.length; j++) {
var eventName = eventNames[j];
targets[eventName] = target + ADD_EVENT_LISTENER_SOURCE + eventName;
}
}
var checkIEAndCrossContext = function (nativeDelegate, delegate, target, args) {
if (!isDisableIECheck && ieOrEdge) {
if (isEnableCrossContextCheck) {
try {
var testString = delegate.toString();
if ((testString === FUNCTION_WRAPPER || testString == BROWSER_TOOLS)) {
nativeDelegate.apply(target, args);
return false;
}
}
catch (error) {
nativeDelegate.apply(target, args);
return false;
}
}
else {
var testString = delegate.toString();
if ((testString === FUNCTION_WRAPPER || testString == BROWSER_TOOLS)) {
nativeDelegate.apply(target, args);
return false;
}
}
}
else if (isEnableCrossContextCheck) {
try {
delegate.toString();
}
catch (error) {
nativeDelegate.apply(target, args);
return false;
}
}
return true;
};
var apiTypes = [];
for (var i = 0; i < apis.length; i++) {
var type = _global[apis[i]];
apiTypes.push(type && type.prototype);
}
// vh is validateHandler to check event handler
// is valid or not(for security check)
patchEventTarget(_global, apiTypes, { vh: checkIEAndCrossContext });
api.patchEventTarget = patchEventTarget;
return true;
}
function patchEvent(global, api) {
patchEventPrototype(global, api);
}
/**
* @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 registerElementPatch(_global) {
if ((!isBrowser && !isMix) || !('registerElement' in _global.document)) {
return;
}
var _registerElement = document.registerElement;
var callbacks = ['createdCallback', 'attachedCallback', 'detachedCallback', 'attributeChangedCallback'];
document.registerElement = function (name, opts) {
if (opts && opts.prototype) {
callbacks.forEach(function (callback) {
var source = 'Document.registerElement::' + callback;
var prototype = opts.prototype;
if (prototype.hasOwnProperty(callback)) {
var descriptor = ObjectGetOwnPropertyDescriptor(prototype, callback);
if (descriptor && descriptor.value) {
descriptor.value = wrapWithCurrentZone(descriptor.value, source);
_redefineProperty(opts.prototype, callback, descriptor);
}
else {
prototype[callback] = wrapWithCurrentZone(prototype[callback], source);
}
}
else if (prototype[callback]) {
prototype[callback] = wrapWithCurrentZone(prototype[callback], source);
}
});
}
return _registerElement.call(document, name, opts);
};
attachOriginToPatched(document.registerElement, _registerElement);
}
/**
* @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}
*/
Zone.__load_patch('util', function (global, Zone, api) {
api.patchOnProperties = patchOnProperties;
api.patchMethod = patchMethod;
api.bindArguments = bindArguments;
});
Zone.__load_patch('timers', function (global) {
var set = 'set';
var clear = 'clear';
patchTimer(global, set, clear, 'Timeout');
patchTimer(global, set, clear, 'Interval');
patchTimer(global, set, clear, 'Immediate');
});
Zone.__load_patch('requestAnimationFrame', function (global) {
patchTimer(global, 'request', 'cancel', 'AnimationFrame');
patchTimer(global, 'mozRequest', 'mozCancel', 'AnimationFrame');
patchTimer(global, 'webkitRequest', 'webkitCancel', 'AnimationFrame');
});
Zone.__load_patch('blocking', function (global, Zone) {
var blockingMethods = ['alert', 'prompt', 'confirm'];
for (var i = 0; i < blockingMethods.length; i++) {
var name_1 = blockingMethods[i];
patchMethod(global, name_1, function (delegate, symbol, name) {
return function (s, args) {
return Zone.current.run(delegate, global, args, name);
};
});
}
});
Zone.__load_patch('EventTarget', function (global, Zone, api) {
// load blackListEvents from global
var SYMBOL_BLACK_LISTED_EVENTS = Zone.__symbol__('BLACK_LISTED_EVENTS');
if (global[SYMBOL_BLACK_LISTED_EVENTS]) {
Zone[SYMBOL_BLACK_LISTED_EVENTS] = global[SYMBOL_BLACK_LISTED_EVENTS];
}
patchEvent(global, api);
eventTargetPatch(global, api);
// patch XMLHttpRequestEventTarget's addEventListener/removeEventListener
var XMLHttpRequestEventTarget = global['XMLHttpRequestEventTarget'];
if (XMLHttpRequestEventTarget && XMLHttpRequestEventTarget.prototype) {
api.patchEventTarget(global, [XMLHttpRequestEventTarget.prototype]);
}
patchClass('MutationObserver');
patchClass('WebKitMutationObserver');
patchClass('IntersectionObserver');
patchClass('FileReader');
});
Zone.__load_patch('on_property', function (global, Zone, api) {
propertyDescriptorPatch(api, global);
propertyPatch();
registerElementPatch(global);
});
Zone.__load_patch('canvas', function (global) {
var HTMLCanvasElement = global['HTMLCanvasElement'];
if (typeof HTMLCanvasElement !== 'undefined' && HTMLCanvasElement.prototype &&
HTMLCanvasElement.prototype.toBlob) {
patchMacroTask(HTMLCanvasElement.prototype, 'toBlob', function (self, args) {
return { name: 'HTMLCanvasElement.toBlob', target: self, cbIdx: 0, args: args };
});
}
});
Zone.__load_patch('XHR', function (global, Zone) {
// Treat XMLHttpRequest as a macrotask.
patchXHR(global);
var XHR_TASK = zoneSymbol('xhrTask');
var XHR_SYNC = zoneSymbol('xhrSync');
var XHR_LISTENER = zoneSymbol('xhrListener');
var XHR_SCHEDULED = zoneSymbol('xhrScheduled');
var XHR_URL = zoneSymbol('xhrURL');
var XHR_ERROR_BEFORE_SCHEDULED = zoneSymbol('xhrErrorBeforeScheduled');
function patchXHR(window) {
var XMLHttpRequestPrototype = XMLHttpRequest.prototype;
function findPendingTask(target) {
return target[XHR_TASK];
}
var oriAddListener = XMLHttpRequestPrototype[ZONE_SYMBOL_ADD_EVENT_LISTENER];
var oriRemoveListener = XMLHttpRequestPrototype[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];
if (!oriAddListener) {
var XMLHttpRequestEventTarget = window['XMLHttpRequestEventTarget'];
if (XMLHttpRequestEventTarget) {
var XMLHttpRequestEventTargetPrototype = XMLHttpRequestEventTarget.prototype;
oriAddListener = XMLHttpRequestEventTargetPrototype[ZONE_SYMBOL_ADD_EVENT_LISTENER];
oriRemoveListener = XMLHttpRequestEventTargetPrototype[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];
}
}
var READY_STATE_CHANGE = 'readystatechange';
var SCHEDULED = 'scheduled';
function scheduleTask(task) {
var data = task.data;
var target = data.target;
target[XHR_SCHEDULED] = false;
target[XHR_ERROR_BEFORE_SCHEDULED] = false;
// remove existing event listener
var listener = target[XHR_LISTENER];
if (!oriAddListener) {
oriAddListener = target[ZONE_SYMBOL_ADD_EVENT_LISTENER];
oriRemoveListener = target[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];
}
if (listener) {
oriRemoveListener.call(target, READY_STATE_CHANGE, listener);
}
var newListener = target[XHR_LISTENER] = function () {
if (target.readyState === target.DONE) {
// sometimes on some browsers XMLHttpRequest will fire onreadystatechange with
// readyState=4 multiple times, so we need to check task state here
if (!data.aborted && target[XHR_SCHEDULED] && task.state === SCHEDULED) {
// check whether the xhr has registered onload listener
// if that is the case, the task should invoke after all
// onload listeners finish.
var loadTasks = target['__zone_symbol__loadfalse'];
if (loadTasks && loadTasks.length > 0) {
var oriInvoke_1 = task.invoke;
task.invoke = function () {
// need to load the tasks again, because in other
// load listener, they may remove themselves
var loadTasks = target['__zone_symbol__loadfalse'];
for (var i = 0; i < loadTasks.length; i++) {
if (loadTasks[i] === task) {
loadTasks.splice(i, 1);
}
}
if (!data.aborted && task.state === SCHEDULED) {
oriInvoke_1.call(task);
}
};
loadTasks.push(task);
}
else {
task.invoke();
}
}
else if (!data.aborted && target[XHR_SCHEDULED] === false) {
// error occurs when xhr.send()
target[XHR_ERROR_BEFORE_SCHEDULED] = true;
}
}
};
oriAddListener.call(target, READY_STATE_CHANGE, newListener);
var storedTask = target[XHR_TASK];
if (!storedTask) {
target[XHR_TASK] = task;
}
sendNative.apply(target, data.args);
target[XHR_SCHEDULED] = true;
return task;
}
function placeholderCallback() { }
function clearTask(task) {
var data = task.data;
// Note - ideally, we would call data.target.removeEventListener here, but it's too late
// to prevent it from firing. So instead, we store info for the event listener.
data.aborted = true;
return abortNative.apply(data.target, data.args);
}
var openNative = patchMethod(XMLHttpRequestPrototype, 'open', function () { return function (self, args) {
self[XHR_SYNC] = args[2] == false;
self[XHR_URL] = args[1];
return openNative.apply(self, args);
}; });
var XMLHTTPREQUEST_SOURCE = 'XMLHttpRequest.send';
var fetchTaskAborting = zoneSymbol('fetchTaskAborting');
var fetchTaskScheduling = zoneSymbol('fetchTaskScheduling');
var sendNative = patchMethod(XMLHttpRequestPrototype, 'send', function () { return function (self, args) {
if (Zone.current[fetchTaskScheduling] === true) {
// a fetch is scheduling, so we are using xhr to polyfill fetch
// and because we already schedule macroTask for fetch, we should
// not schedule a macroTask for xhr again
return sendNative.apply(self, args);
}
if (self[XHR_SYNC]) {
// if the XHR is sync there is no task to schedule, just execute the code.
return sendNative.apply(self, args);
}
else {
var options = { target: self, url: self[XHR_URL], isPeriodic: false, args: args, aborted: false };
var task = scheduleMacroTaskWithCurrentZone(XMLHTTPREQUEST_SOURCE, placeholderCallback, options, scheduleTask, clearTask);
if (self && self[XHR_ERROR_BEFORE_SCHEDULED] === true && !options.aborted &&
task.state === SCHEDULED) {
// xhr request throw error when send
// we should invoke task instead of leaving a scheduled
// pending macroTask
task.invoke();
}
}
}; });
var abortNative = patchMethod(XMLHttpRequestPrototype, 'abort', function () { return function (self, args) {
var task = findPendingTask(self);
if (task && typeof task.type == 'string') {
// If the XHR has already completed, do nothing.
// If the XHR has already been aborted, do nothing.
// Fix #569, call abort multiple times before done will cause
// macroTask task count be negative number
if (task.cancelFn == null || (task.data && task.data.aborted)) {
return;
}
task.zone.cancelTask(task);
}
else if (Zone.current[fetchTaskAborting] === true) {
// the abort is called from fetch polyfill, we need to call native abort of XHR.
return abortNative.apply(self, args);
}
// Otherwise, we are trying to abort an XHR which has not yet been sent, so there is no
// task
// to cancel. Do nothing.
}; });
}
});
Zone.__load_patch('geolocation', function (global) {
/// GEO_LOCATION
if (global['navigator'] && global['navigator'].geolocation) {
patchPrototype(global['navigator'].geolocation, ['getCurrentPosition', 'watchPosition']);
}
});
Zone.__load_patch('PromiseRejectionEvent', function (global, Zone) {
// handle unhandled promise rejection
function findPromiseRejectionHandler(evtName) {
return function (e) {
var eventTasks = findEventTasks(global, evtName);
eventTasks.forEach(function (eventTask) {
// windows has added unhandledrejection event listener
// trigger the event listener
var PromiseRejectionEvent = global['PromiseRejectionEvent'];
if (PromiseRejectionEvent) {
var evt = new PromiseRejectionEvent(evtName, { promise: e.promise, reason: e.rejection });
eventTask.invoke(evt);
}
});
};
}
if (global['PromiseRejectionEvent']) {
Zone[zoneSymbol('unhandledPromiseRejectionHandler')] =
findPromiseRejectionHandler('unhandledrejection');
Zone[zoneSymbol('rejectionHandledHandler')] =
findPromiseRejectionHandler('rejectionhandled');
}
});
/**
* @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
*/
})));
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment