zone.js
Version:
Zones for JavaScript
1,045 lines • 137 kB
JavaScript
'use strict';
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
/**
* @license Angular v<unknown>
* (c) 2010-2024 Google LLC. https://angular.io/
* License: MIT
*/
(function (factory) {
typeof define === 'function' && define.amd ? define(factory) :
factory();
})((function () {
'use strict';
var global = globalThis;
// __Zone_symbol_prefix global can be used to override the default zone
// symbol prefix with a custom one if needed.
function __symbol__(name) {
var symbolPrefix = global['__Zone_symbol_prefix'] || '__zone_symbol__';
return symbolPrefix + name;
}
function initZone() {
var _a;
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');
var ZoneImpl = /** @class */ (function () {
function ZoneImpl(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);
}
ZoneImpl.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(ZoneImpl, "root", {
get: function () {
var zone = _a.current;
while (zone.parent) {
zone = zone.parent;
}
return zone;
},
enumerable: false,
configurable: true
});
Object.defineProperty(ZoneImpl, "current", {
get: function () {
return _currentZoneFrame.zone;
},
enumerable: false,
configurable: true
});
Object.defineProperty(ZoneImpl, "currentTask", {
get: function () {
return _currentTask;
},
enumerable: false,
configurable: true
});
// tslint:disable-next-line:require-internal-with-underscore
ZoneImpl.__load_patch = function (name, fn, ignoreDuplicate) {
if (ignoreDuplicate === void 0) { ignoreDuplicate = false; }
if (patches.hasOwnProperty(name)) {
// `checkDuplicate` option is defined from global variable
// so it works for all modules.
// `ignoreDuplicate` can work for the specified module
var checkDuplicate = global[__symbol__('forceDuplicateZoneCheck')] === true;
if (!ignoreDuplicate && checkDuplicate) {
throw Error('Already loaded patch: ' + name);
}
}
else if (!global['__Zone_disable_' + name]) {
var perfName = 'Zone:' + name;
mark(perfName);
patches[name] = fn(global, _a, _api);
performanceMeasure(perfName, perfName);
}
};
Object.defineProperty(ZoneImpl.prototype, "parent", {
get: function () {
return this._parent;
},
enumerable: false,
configurable: true
});
Object.defineProperty(ZoneImpl.prototype, "name", {
get: function () {
return this._name;
},
enumerable: false,
configurable: true
});
ZoneImpl.prototype.get = function (key) {
var zone = this.getZoneWith(key);
if (zone)
return zone._properties[key];
};
ZoneImpl.prototype.getZoneWith = function (key) {
var current = this;
while (current) {
if (current._properties.hasOwnProperty(key)) {
return current;
}
current = current._parent;
}
return null;
};
ZoneImpl.prototype.fork = function (zoneSpec) {
if (!zoneSpec)
throw new Error('ZoneSpec required!');
return this._zoneDelegate.fork(this, zoneSpec);
};
ZoneImpl.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);
};
};
ZoneImpl.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;
}
};
ZoneImpl.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;
}
};
ZoneImpl.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 +
')');
}
var zoneTask = task;
// 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
var type = task.type, _b = task.data, _c = _b === void 0 ? {} : _b, _d = _c.isPeriodic, isPeriodic = _d === void 0 ? false : _d, _e = _c.isRefreshable, isRefreshable = _e === void 0 ? false : _e;
if (task.state === notScheduled && (type === eventTask || type === macroTask)) {
return;
}
var reEntryGuard = task.state != running;
reEntryGuard && zoneTask._transitionTo(running, scheduled);
var previousTask = _currentTask;
_currentTask = zoneTask;
_currentZoneFrame = { parent: _currentZoneFrame, zone: this };
try {
if (type == macroTask && task.data && !isPeriodic && !isRefreshable) {
task.cancelFn = undefined;
}
try {
return this._zoneDelegate.invokeTask(this, zoneTask, 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
var state = task.state;
if (state !== notScheduled && state !== unknown) {
if (type == eventTask || isPeriodic || (isRefreshable && state === scheduling)) {
reEntryGuard && zoneTask._transitionTo(scheduled, running, scheduling);
}
else {
var zoneDelegates = zoneTask._zoneDelegates;
this._updateTaskCount(zoneTask, -1);
reEntryGuard && zoneTask._transitionTo(notScheduled, running, notScheduled);
if (isRefreshable) {
zoneTask._zoneDelegates = zoneDelegates;
}
}
}
_currentZoneFrame = _currentZoneFrame.parent;
_currentTask = previousTask;
}
};
ZoneImpl.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 ".concat(this.name, " which is descendants of the original zone ").concat(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;
};
ZoneImpl.prototype.scheduleMicroTask = function (source, callback, data, customSchedule) {
return this.scheduleTask(new ZoneTask(microTask, source, callback, data, customSchedule, undefined));
};
ZoneImpl.prototype.scheduleMacroTask = function (source, callback, data, customSchedule, customCancel) {
return this.scheduleTask(new ZoneTask(macroTask, source, callback, data, customSchedule, customCancel));
};
ZoneImpl.prototype.scheduleEventTask = function (source, callback, data, customSchedule, customCancel) {
return this.scheduleTask(new ZoneTask(eventTask, source, callback, data, customSchedule, customCancel));
};
ZoneImpl.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 +
')');
if (task.state !== scheduled && task.state !== running) {
return;
}
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 = -1;
return task;
};
ZoneImpl.prototype._updateTaskCount = function (task, count) {
var zoneDelegates = task._zoneDelegates;
if (count == -1) {
task._zoneDelegates = null;
}
for (var i = 0; i < zoneDelegates.length; i++) {
zoneDelegates[i]._updateTaskCount(task.type, count);
}
};
return ZoneImpl;
}());
_a = ZoneImpl;
// tslint:disable-next-line:require-internal-with-underscore
(function () {
_a.__symbol__ = __symbol__;
})();
var DELEGATE_ZS = {
name: '',
onHasTask: function (delegate, _, target, hasTaskState) { return delegate.hasTask(target, hasTaskState); },
onScheduleTask: function (delegate, _, target, task) { return delegate.scheduleTask(target, task); },
onInvokeTask: function (delegate, _, target, task, applyThis, applyArgs) { return delegate.invokeTask(target, task, applyThis, applyArgs); },
onCancelTask: function (delegate, _, target, task) { return delegate.cancelTask(target, task); },
};
var _ZoneDelegate = /** @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._forkCurrZone);
this._interceptZS =
zoneSpec && (zoneSpec.onIntercept ? zoneSpec : parentDelegate._interceptZS);
this._interceptDlgt =
zoneSpec && (zoneSpec.onIntercept ? parentDelegate : parentDelegate._interceptDlgt);
this._interceptCurrZone =
zoneSpec && (zoneSpec.onIntercept ? this._zone : parentDelegate._interceptCurrZone);
this._invokeZS = zoneSpec && (zoneSpec.onInvoke ? zoneSpec : parentDelegate._invokeZS);
this._invokeDlgt =
zoneSpec && (zoneSpec.onInvoke ? parentDelegate : parentDelegate._invokeDlgt);
this._invokeCurrZone =
zoneSpec && (zoneSpec.onInvoke ? this._zone : parentDelegate._invokeCurrZone);
this._handleErrorZS =
zoneSpec && (zoneSpec.onHandleError ? zoneSpec : parentDelegate._handleErrorZS);
this._handleErrorDlgt =
zoneSpec && (zoneSpec.onHandleError ? parentDelegate : parentDelegate._handleErrorDlgt);
this._handleErrorCurrZone =
zoneSpec && (zoneSpec.onHandleError ? this._zone : parentDelegate._handleErrorCurrZone);
this._scheduleTaskZS =
zoneSpec && (zoneSpec.onScheduleTask ? zoneSpec : parentDelegate._scheduleTaskZS);
this._scheduleTaskDlgt =
zoneSpec && (zoneSpec.onScheduleTask ? parentDelegate : parentDelegate._scheduleTaskDlgt);
this._scheduleTaskCurrZone =
zoneSpec && (zoneSpec.onScheduleTask ? this._zone : parentDelegate._scheduleTaskCurrZone);
this._invokeTaskZS =
zoneSpec && (zoneSpec.onInvokeTask ? zoneSpec : parentDelegate._invokeTaskZS);
this._invokeTaskDlgt =
zoneSpec && (zoneSpec.onInvokeTask ? parentDelegate : parentDelegate._invokeTaskDlgt);
this._invokeTaskCurrZone =
zoneSpec && (zoneSpec.onInvokeTask ? this._zone : parentDelegate._invokeTaskCurrZone);
this._cancelTaskZS =
zoneSpec && (zoneSpec.onCancelTask ? zoneSpec : parentDelegate._cancelTaskZS);
this._cancelTaskDlgt =
zoneSpec && (zoneSpec.onCancelTask ? parentDelegate : parentDelegate._cancelTaskDlgt);
this._cancelTaskCurrZone =
zoneSpec && (zoneSpec.onCancelTask ? this._zone : parentDelegate._cancelTaskCurrZone);
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 = this._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;
}
}
}
Object.defineProperty(_ZoneDelegate.prototype, "zone", {
get: function () {
return this._zone;
},
enumerable: false,
configurable: true
});
_ZoneDelegate.prototype.fork = function (targetZone, zoneSpec) {
return this._forkZS
? this._forkZS.onFork(this._forkDlgt, this.zone, targetZone, zoneSpec)
: new ZoneImpl(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);
}
};
// tslint:disable-next-line:require-internal-with-underscore
_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) {
// tslint:disable-next-line:require-internal-with-underscore
this._zone = null;
this.runCount = 0;
// tslint:disable-next-line:require-internal-with-underscore
this._zoneDelegates = null;
// tslint:disable-next-line:require-internal-with-underscore
this._state = 'notScheduled';
this.type = type;
this.source = source;
this.data = options;
this.scheduleFn = scheduleFn;
this.cancelFn = cancelFn;
if (!callback) {
throw new Error('callback is not defined');
}
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: false,
configurable: true
});
Object.defineProperty(ZoneTask.prototype, "state", {
get: function () {
return this._state;
},
enumerable: false,
configurable: true
});
ZoneTask.prototype.cancelScheduleRequest = function () {
this._transitionTo(notScheduled, scheduling);
};
// tslint:disable-next-line:require-internal-with-underscore
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("".concat(this.type, " '").concat(this.source, "': can not transition to '").concat(toState, "', expecting state '").concat(fromState1, "'").concat(fromState2 ? " or '" + fromState2 + "'" : '', ", was '").concat(this._state, "'."));
}
};
ZoneTask.prototype.toString = function () {
if (this.data && typeof this.data.handleId !== 'undefined') {
return this.data.handleId.toString();
}
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 nativeScheduleMicroTask(func) {
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, func);
}
else {
global[symbolSetTimeout](func, 0);
}
}
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.
nativeScheduleMicroTask(drainMicroTaskQueue);
}
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 !ZoneImpl[__symbol__('ignoreConsoleErrorUncaughtError')]; },
patchEventTarget: function () { return []; },
patchOnProperties: noop,
patchMethod: function () { return noop; },
bindArguments: function () { return []; },
patchThen: function () { return noop; },
patchMacroTask: function () { return noop; },
patchEventPrototype: function () { return noop; },
isIEOrEdge: function () { return false; },
getGlobalObjects: function () { return undefined; },
ObjectDefineProperty: function () { return noop; },
ObjectGetOwnPropertyDescriptor: function () { return undefined; },
ObjectCreate: function () { return undefined; },
ArraySlice: function () { return []; },
patchClass: function () { return noop; },
wrapWithCurrentZone: function () { return noop; },
filterProperties: function () { return []; },
attachOriginToPatched: function () { return noop; },
_redefineProperty: function () { return noop; },
patchCallbacks: function () { return noop; },
nativeScheduleMicroTask: nativeScheduleMicroTask,
};
var _currentZoneFrame = { parent: null, zone: new ZoneImpl(null, null) };
var _currentTask = null;
var _numberOfNestedTaskFrames = 0;
function noop() { }
performanceMeasure('Zone', 'Zone');
return ZoneImpl;
}
/**
* 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;
/** 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';
/** true string const */
var TRUE_STR = 'true';
/** false string const */
var FALSE_STR = 'false';
/** Zone symbol prefix string const. */
var ZONE_SYMBOL_PREFIX = __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 = __symbol__;
var isWindowExists = typeof window !== 'undefined';
var internalWindow = isWindowExists ? window : undefined;
var _global = (isWindowExists && internalWindow) || globalThis;
var REMOVE_ATTRIBUTE = 'removeAttribute';
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 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' &&
_global.process.toString() === '[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' &&
_global.process.toString() === '[object process]' &&
!isWebWorker &&
!!(isWindowExists && internalWindow['HTMLElement']);
var zoneSymbolEventNames$1 = {};
var enableBeforeunloadSymbol = zoneSymbol('enable_beforeunload');
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$1[event.type];
if (!eventNameSymbol) {
eventNameSymbol = zoneSymbolEventNames$1[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 signature
// 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 (
// https://github.com/angular/angular/issues/47579
// https://www.w3.org/TR/2011/WD-html5-20110525/history.html#beforeunloadevent
// This is the only specific case we should check for. The spec defines that the
// `returnValue` attribute represents the message to show the user. When the event
// is created, this attribute must be set to the empty string.
event.type === 'beforeunload' &&
// To prevent any breaking changes resulting from this change, given that
// it was already causing a significant number of failures in G3, we have hidden
// that behavior behind a global configuration flag. Consumers can enable this
// flag explicitly if they want the `beforeunload` event to be handled as defined
// in the specification.
_global[enableBeforeunloadSymbol] &&
// The IDL event definition is `attribute DOMString returnValue`, so we check whether
// `typeof result` is a string.
typeof result === 'string') {
event.returnValue = result;
}
else 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;
// slice(2) cuz 'onclick' -> 'click', etc
var eventName = prop.slice(2);
var eventNameSymbol = zoneSymbolEventNames$1[eventName];
if (!eventNameSymbol) {
eventNameSymbol = zoneSymbolEventNames$1[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 (typeof previousValue === 'function') {
target.removeEventListener(eventName, wrapFn);
}
// issue #978, when onload handler was added before loading zone.js
// we should remove it with originalDescSet
originalDescSet && originalDescSet.call(target, null);
target[eventNameSymbol] = newValue;
if (typeof newValue === 'function') {
target.addEventListener(eventName, wrapFn, false);
}
};
// 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.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.slice(0, 2) == 'on') {
onProperties.push(prop);
}
}
for (var j = 0; j < onProperties.length; j++) {
patchProperty(obj, onProperties[j], prototype);
}
}
}
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 setShouldCopySymbolProperties(flag) {
shouldCopySymbolProperties = flag;
}
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]) || !proto.hasOwnProperty(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 patchMicroTask(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 Zone.current.scheduleMicroTask(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;
}
function isFunction(value) {
return typeof value === 'function';
}
function isNumber(value) {
return typeof value === 'number';
}
function patchPromise(Zone) {
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 isDisableWrappingUncaughtPromiseRejection = global[__symbol__('DISABLE_WRAPPING_UNCAUGHT_PROMISE_REJECTION')] !== false;
var symbolPromise = __symbol_