zone.js
Version:
Zones for JavaScript
1,045 lines (1,044 loc) • 125 kB
JavaScript
'use strict';
/**
* @license Angular
* (c) 2010-2026 Google LLC. https://angular.dev/
* License: MIT
*/ (function (g, f) { if (typeof define == "function" && define.amd) {
define(f);
}
else if (typeof exports == "object" && typeof module < "u") {
module.exports = f();
}
else {
var m = f();
for (var i in m)
g[i] = m[i];
} }(typeof globalThis < "u" ? globalThis : typeof self < "u" ? self : this, function () {
var exports = {};
var __exports = exports;
var module = { exports: exports };
var __defProp = Object.defineProperty;
var __defProps = Object.defineProperties;
var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
var __getOwnPropSymbols = Object.getOwnPropertySymbols;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __propIsEnum = Object.prototype.propertyIsEnumerable;
var __defNormalProp = function (obj, key, value) { return key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value: value }) : obj[key] = value; };
var __spreadValues = function (a, b) {
for (var prop in b || (b = {}))
if (__hasOwnProp.call(b, prop))
__defNormalProp(a, prop, b[prop]);
if (__getOwnPropSymbols)
for (var _i = 0, _b = __getOwnPropSymbols(b); _i < _b.length; _i++) {
var prop = _b[_i];
if (__propIsEnum.call(b, prop))
__defNormalProp(a, prop, b[prop]);
}
return a;
};
var __spreadProps = function (a, b) { return __defProps(a, __getOwnPropDescs(b)); };
var __publicField = function (obj, key, value) {
__defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
return value;
};
// packages/zone.js/lib/zone-impl.js
var global = globalThis;
function __symbol__(name) {
var symbolPrefix = global["__Zone_symbol_prefix"] || "__zone_symbol__";
return symbolPrefix + name;
}
function initZone() {
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) {
__publicField(this, "_parent");
__publicField(this, "_name");
__publicField(this, "_properties");
__publicField(this, "_zoneDelegate");
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.\nMost 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 = _ZoneImpl.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
});
_ZoneImpl.__load_patch = function (name, fn, ignoreDuplicate) {
if (ignoreDuplicate === void 0) { ignoreDuplicate = false; }
if (patches.hasOwnProperty(name)) {
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, _ZoneImpl, _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;
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 = void 0;
}
try {
return this._zoneDelegate.invokeTask(this, zoneTask, applyThis, applyArgs);
}
catch (error) {
if (this._zoneDelegate.handleError(this, error)) {
throw error;
}
}
}
finally {
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) {
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) {
task._transitionTo(unknown, scheduling, notScheduled);
this._zoneDelegate.handleError(this, err);
throw err;
}
if (task._zoneDelegates === zoneDelegates) {
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, void 0));
};
_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) {
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;
}());
__publicField(_ZoneImpl, "__symbol__", __symbol__);
var ZoneImpl = _ZoneImpl;
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) {
__publicField(this, "_zone");
__publicField(this, "_taskCounts", {
"microTask": 0,
"macroTask": 0,
"eventTask": 0
});
__publicField(this, "_parentDelegate");
__publicField(this, "_forkDlgt");
__publicField(this, "_forkZS");
__publicField(this, "_forkCurrZone");
__publicField(this, "_interceptDlgt");
__publicField(this, "_interceptZS");
__publicField(this, "_interceptCurrZone");
__publicField(this, "_invokeDlgt");
__publicField(this, "_invokeZS");
__publicField(this, "_invokeCurrZone");
__publicField(this, "_handleErrorDlgt");
__publicField(this, "_handleErrorZS");
__publicField(this, "_handleErrorCurrZone");
__publicField(this, "_scheduleTaskDlgt");
__publicField(this, "_scheduleTaskZS");
__publicField(this, "_scheduleTaskCurrZone");
__publicField(this, "_invokeTaskDlgt");
__publicField(this, "_invokeTaskZS");
__publicField(this, "_invokeTaskCurrZone");
__publicField(this, "_cancelTaskDlgt");
__publicField(this, "_cancelTaskZS");
__publicField(this, "_cancelTaskCurrZone");
__publicField(this, "_hasTaskDlgt");
__publicField(this, "_hasTaskDlgtOwner");
__publicField(this, "_hasTaskZS");
__publicField(this, "_hasTaskCurrZone");
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) {
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) {
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) {
__publicField(this, "type");
__publicField(this, "source");
__publicField(this, "invoke");
__publicField(this, "callback");
__publicField(this, "data");
__publicField(this, "scheduleFn");
__publicField(this, "cancelFn");
__publicField(this, "_zone", null);
__publicField(this, "runCount", 0);
__publicField(this, "_zoneDelegates", null);
__publicField(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 self2 = this;
if (type === eventTask && options && options.useG) {
this.invoke = ZoneTask.invokeTask;
}
else {
this.invoke = function () {
return ZoneTask.invokeTask.call(global, self2, 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);
};
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;
}());
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) {
nativeThen = nativeMicroTaskQueuePromise["then"];
}
nativeThen.call(nativeMicroTaskQueuePromise, func);
}
else {
global[symbolSetTimeout](func, 0);
}
}
function scheduleMicroTask(task) {
if (_numberOfNestedTaskFrames === 0 && _microTaskQueue.length === 0) {
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;
}
}
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; },
getGlobalObjects: function () { return void 0; },
ObjectDefineProperty: function () { return noop; },
ObjectGetOwnPropertyDescriptor: function () { return void 0; },
ObjectCreate: function () { return void 0; },
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;
}
// packages/zone.js/lib/zone.js
function loadZone() {
var _a;
var global2 = globalThis;
var checkDuplicate = global2[__symbol__("forceDuplicateZoneCheck")] === true;
if (global2["Zone"] && (checkDuplicate || typeof global2["Zone"].__symbol__ !== "function")) {
throw new Error("Zone already loaded.");
}
(_a = global2["Zone"]) != null ? _a : global2["Zone"] = initZone();
return global2["Zone"];
}
// packages/zone.js/lib/common/utils.js
var ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
var ObjectDefineProperty = Object.defineProperty;
var ObjectGetPrototypeOf = Object.getPrototypeOf;
var ObjectCreate = Object.create;
var ArraySlice = Array.prototype.slice;
var ADD_EVENT_LISTENER_STR = "addEventListener";
var REMOVE_EVENT_LISTENER_STR = "removeEventListener";
var ZONE_SYMBOL_ADD_EVENT_LISTENER = __symbol__(ADD_EVENT_LISTENER_STR);
var ZONE_SYMBOL_REMOVE_EVENT_LISTENER = __symbol__(REMOVE_EVENT_LISTENER_STR);
var TRUE_STR = "true";
var FALSE_STR = "false";
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 : void 0;
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 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 (delegate2) {
var patched = function () {
return delegate2.apply(this, bindArguments(arguments, source + "." + name_1));
};
attachOriginToPatched(patched, delegate2);
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;
var isNode = !("nw" in _global) && typeof _global.process !== "undefined" && _global.process.toString() === "[object process]";
var isBrowser = !isNode && !isWebWorker && !!(isWindowExists && internalWindow["HTMLElement"]);
var isMix = typeof _global.process !== "undefined" && _global.process.toString() === "[object process]" && !isWebWorker && !!(isWindowExists && internalWindow["HTMLElement"]);
var zoneSymbolEventNames = {};
var enableBeforeunloadSymbol = zoneSymbol("enable_beforeunload");
var wrapFn = function (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") {
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 != void 0 && !result) {
event.preventDefault();
}
}
return result;
};
function patchProperty(obj, prop, prototype) {
var desc = ObjectGetOwnPropertyDescriptor(obj, prop);
if (!desc && prototype) {
var prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, prop);
if (prototypeDesc) {
desc = { enumerable: true, configurable: true };
}
}
if (!desc || !desc.configurable) {
return;
}
var onPropPatchedSymbol = zoneSymbol("on" + prop + "patched");
if (obj.hasOwnProperty(onPropPatchedSymbol) && obj[onPropPatchedSymbol]) {
return;
}
delete desc.writable;
delete desc.value;
var originalDescGet = desc.get;
var originalDescSet = desc.set;
var eventName = prop.slice(2);
var eventNameSymbol = zoneSymbolEventNames[eventName];
if (!eventNameSymbol) {
eventNameSymbol = zoneSymbolEventNames[eventName] = zoneSymbol("ON_PROPERTY" + eventName);
}
desc.set = function (newValue) {
var target = this;
if (!target && obj === _global) {
target = _global;
}
if (!target) {
return;
}
var previousValue = target[eventNameSymbol];
if (typeof previousValue === "function") {
target.removeEventListener(eventName, wrapFn);
}
originalDescSet == null ? void 0 : originalDescSet.call(target, null);
target[eventNameSymbol] = newValue;
if (typeof newValue === "function") {
target.addEventListener(eventName, wrapFn, false);
}
};
desc.get = function () {
var target = this;
if (!target && obj === _global) {
target = _global;
}
if (!target) {
return null;
}
var listener = target[eventNameSymbol];
if (listener) {
return listener;
}
else if (originalDescGet) {
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);
}
}
}
var originalInstanceKey = zoneSymbol("originalInstance");
function patchClass(className) {
var OriginalClass = _global[className];
if (!OriginalClass)
return;
_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.");
}
};
attachOriginToPatched(_global[className], OriginalClass);
var instance = new OriginalClass(function () {
});
var prop;
for (prop in instance) {
if (className === "XMLHttpRequest" && prop === "responseBlob")
continue;
(function (prop2) {
if (typeof instance[prop2] === "function") {
_global[className].prototype[prop2] = function () {
return this[originalInstanceKey][prop2].apply(this[originalInstanceKey], arguments);
};
}
else {
ObjectDefineProperty(_global[className].prototype, prop2, {
set: function (fn) {
if (typeof fn === "function") {
this[originalInstanceKey][prop2] = wrapWithCurrentZone(fn, className + "." + prop2);
attachOriginToPatched(this[originalInstanceKey][prop2], fn);
}
else {
this[originalInstanceKey][prop2] = fn;
}
},
get: function () {
return this[originalInstanceKey][prop2];
}
});
}
})(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")) {
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]) {
proto = target;
}
var delegateName = zoneSymbol(name);
var delegate = null;
if (proto && (!(delegate = proto[delegateName]) || !proto.hasOwnProperty(delegateName))) {
delegate = proto[delegateName] = proto[name];
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;
}
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 (self2, args) {
var meta = metaCreator(self2, args);
if (meta.cbIdx >= 0 && typeof args[meta.cbIdx] === "function") {
return scheduleMacroTaskWithCurrentZone(meta.name, args[meta.cbIdx], meta, scheduleTask);
}
else {
return delegate.apply(self2, args);
}
}; });
}
function attachOriginToPatched(patched, original) {
patched[zoneSymbol("OriginalDelegate")] = original;
}
function isFunction(value) {
return typeof value === "function";
}
function isNumber(value) {
return typeof value === "number";
}
// packages/zone.js/lib/common/events.js
var OPTIMIZED_ZONE_EVENT_TASK_DATA = {
useG: true
};
var zoneSymbolEventNames2 = {};
var globalSources = {};
var EVENT_NAME_SYMBOL_REGX = new RegExp("^" + ZONE_SYMBOL_PREFIX + "(\\w+)(true|false)$");
var IMMEDIATE_PROPAGATION_SYMBOL = zoneSymbol("propagationStopped");
function prepareEventNames(eventName, eventNameToString) {
var falseEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + FALSE_STR;
var trueEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + TRUE_STR;
var symbol = ZONE_SYMBOL_PREFIX + falseEventName;
var symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;
zoneSymbolEventNames2[eventName] = {};
zoneSymbolEventNames2[eventName][FALSE_STR] = symbol;
zoneSymbolEventNames2[eventName][TRUE_STR] = symbolCapture;
}
function patchEventTarget(_global2, api, 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 + ":";