zone.js
Version:
Zones for JavaScript
1,294 lines (1,290 loc) • 102 kB
JavaScript
'use strict';
/**
* @license Angular
* (c) 2010-2026 Google LLC. https://angular.dev/
* License: MIT
*/
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 = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __spreadValues = (a, b) => {
for (var prop in b || (b = {}))
if (__hasOwnProp.call(b, prop))
__defNormalProp(a, prop, b[prop]);
if (__getOwnPropSymbols)
for (var prop of __getOwnPropSymbols(b)) {
if (__propIsEnum.call(b, prop))
__defNormalProp(a, prop, b[prop]);
}
return a;
};
var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
var __require = /* @__PURE__ */ ((x) => typeof require !== "undefined" ? require : typeof Proxy !== "undefined" ? new Proxy(x, {
get: (a, b) => (typeof require !== "undefined" ? require : a)[b]
}) : x)(function(x) {
if (typeof require !== "undefined")
return require.apply(this, arguments);
throw Error('Dynamic require of "' + x + '" is not supported');
});
var __publicField = (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) {
const symbolPrefix = global["__Zone_symbol_prefix"] || "__zone_symbol__";
return symbolPrefix + name;
}
function initZone() {
const 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");
const _ZoneImpl = class _ZoneImpl {
constructor(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);
}
static assertZonePatched() {
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.)");
}
}
static get root() {
let zone = _ZoneImpl.current;
while (zone.parent) {
zone = zone.parent;
}
return zone;
}
static get current() {
return _currentZoneFrame.zone;
}
static get currentTask() {
return _currentTask;
}
static __load_patch(name, fn, ignoreDuplicate = false) {
if (patches.hasOwnProperty(name)) {
const checkDuplicate = global[__symbol__("forceDuplicateZoneCheck")] === true;
if (!ignoreDuplicate && checkDuplicate) {
throw Error("Already loaded patch: " + name);
}
} else if (!global["__Zone_disable_" + name]) {
const perfName = "Zone:" + name;
mark(perfName);
patches[name] = fn(global, _ZoneImpl, _api);
performanceMeasure(perfName, perfName);
}
}
get parent() {
return this._parent;
}
get name() {
return this._name;
}
get(key) {
const zone = this.getZoneWith(key);
if (zone)
return zone._properties[key];
}
getZoneWith(key) {
let current = this;
while (current) {
if (current._properties.hasOwnProperty(key)) {
return current;
}
current = current._parent;
}
return null;
}
fork(zoneSpec) {
if (!zoneSpec)
throw new Error("ZoneSpec required!");
return this._zoneDelegate.fork(this, zoneSpec);
}
wrap(callback, source) {
if (typeof callback !== "function") {
throw new Error("Expecting function got: " + callback);
}
const _callback = this._zoneDelegate.intercept(this, callback, source);
const zone = this;
return function() {
return zone.runGuarded(_callback, this, arguments, source);
};
}
run(callback, applyThis, applyArgs, source) {
_currentZoneFrame = { parent: _currentZoneFrame, zone: this };
try {
return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);
} finally {
_currentZoneFrame = _currentZoneFrame.parent;
}
}
runGuarded(callback, applyThis = null, applyArgs, source) {
_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;
}
}
runTask(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 + ")");
}
const zoneTask = task;
const { type, data: { isPeriodic = false, isRefreshable = false } = {} } = task;
if (task.state === notScheduled && (type === eventTask || type === macroTask)) {
return;
}
const reEntryGuard = task.state != running;
reEntryGuard && zoneTask._transitionTo(running, scheduled);
const 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 {
const state = task.state;
if (state !== notScheduled && state !== unknown) {
if (type == eventTask || isPeriodic || isRefreshable && state === scheduling) {
reEntryGuard && zoneTask._transitionTo(scheduled, running, scheduling);
} else {
const zoneDelegates = zoneTask._zoneDelegates;
this._updateTaskCount(zoneTask, -1);
reEntryGuard && zoneTask._transitionTo(notScheduled, running, notScheduled);
if (isRefreshable) {
zoneTask._zoneDelegates = zoneDelegates;
}
}
}
_currentZoneFrame = _currentZoneFrame.parent;
_currentTask = previousTask;
}
}
scheduleTask(task) {
if (task.zone && task.zone !== this) {
let 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);
const 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;
}
scheduleMicroTask(source, callback, data, customSchedule) {
return this.scheduleTask(new ZoneTask(microTask, source, callback, data, customSchedule, void 0));
}
scheduleMacroTask(source, callback, data, customSchedule, customCancel) {
return this.scheduleTask(new ZoneTask(macroTask, source, callback, data, customSchedule, customCancel));
}
scheduleEventTask(source, callback, data, customSchedule, customCancel) {
return this.scheduleTask(new ZoneTask(eventTask, source, callback, data, customSchedule, customCancel));
}
cancelTask(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;
}
_updateTaskCount(task, count) {
const zoneDelegates = task._zoneDelegates;
if (count == -1) {
task._zoneDelegates = null;
}
for (let i = 0; i < zoneDelegates.length; i++) {
zoneDelegates[i]._updateTaskCount(task.type, count);
}
}
};
__publicField(_ZoneImpl, "__symbol__", __symbol__);
let ZoneImpl = _ZoneImpl;
const DELEGATE_ZS = {
name: "",
onHasTask: (delegate, _, target, hasTaskState) => delegate.hasTask(target, hasTaskState),
onScheduleTask: (delegate, _, target, task) => delegate.scheduleTask(target, task),
onInvokeTask: (delegate, _, target, task, applyThis, applyArgs) => delegate.invokeTask(target, task, applyThis, applyArgs),
onCancelTask: (delegate, _, target, task) => delegate.cancelTask(target, task)
};
class _ZoneDelegate {
constructor(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;
const zoneSpecHasTask = zoneSpec && zoneSpec.onHasTask;
const 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;
}
}
}
get zone() {
return this._zone;
}
fork(targetZone, zoneSpec) {
return this._forkZS ? this._forkZS.onFork(this._forkDlgt, this.zone, targetZone, zoneSpec) : new ZoneImpl(targetZone, zoneSpec);
}
intercept(targetZone, callback, source) {
return this._interceptZS ? this._interceptZS.onIntercept(this._interceptDlgt, this._interceptCurrZone, targetZone, callback, source) : callback;
}
invoke(targetZone, callback, applyThis, applyArgs, source) {
return this._invokeZS ? this._invokeZS.onInvoke(this._invokeDlgt, this._invokeCurrZone, targetZone, callback, applyThis, applyArgs, source) : callback.apply(applyThis, applyArgs);
}
handleError(targetZone, error) {
return this._handleErrorZS ? this._handleErrorZS.onHandleError(this._handleErrorDlgt, this._handleErrorCurrZone, targetZone, error) : true;
}
scheduleTask(targetZone, task) {
let 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;
}
invokeTask(targetZone, task, applyThis, applyArgs) {
return this._invokeTaskZS ? this._invokeTaskZS.onInvokeTask(this._invokeTaskDlgt, this._invokeTaskCurrZone, targetZone, task, applyThis, applyArgs) : task.callback.apply(applyThis, applyArgs);
}
cancelTask(targetZone, task) {
let 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;
}
hasTask(targetZone, isEmpty) {
try {
this._hasTaskZS && this._hasTaskZS.onHasTask(this._hasTaskDlgt, this._hasTaskCurrZone, targetZone, isEmpty);
} catch (err) {
this.handleError(targetZone, err);
}
}
_updateTaskCount(type, count) {
const counts = this._taskCounts;
const prev = counts[type];
const next = counts[type] = prev + count;
if (next < 0) {
throw new Error("More tasks executed then were scheduled.");
}
if (prev == 0 || next == 0) {
const isEmpty = {
microTask: counts["microTask"] > 0,
macroTask: counts["macroTask"] > 0,
eventTask: counts["eventTask"] > 0,
change: type
};
this.hasTask(this._zone, isEmpty);
}
}
}
class ZoneTask {
constructor(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;
const self2 = this;
if (type === eventTask && options && options.useG) {
this.invoke = ZoneTask.invokeTask;
} else {
this.invoke = function() {
return ZoneTask.invokeTask.call(global, self2, this, arguments);
};
}
}
static invokeTask(task, target, args) {
if (!task) {
task = this;
}
_numberOfNestedTaskFrames++;
try {
task.runCount++;
return task.zone.runTask(task, target, args);
} finally {
if (_numberOfNestedTaskFrames == 1) {
drainMicroTaskQueue();
}
_numberOfNestedTaskFrames--;
}
}
get zone() {
return this._zone;
}
get state() {
return this._state;
}
cancelScheduleRequest() {
this._transitionTo(notScheduled, scheduling);
}
_transitionTo(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}'.`);
}
}
toString() {
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)
toJSON() {
return {
type: this.type,
state: this.state,
source: this.source,
zone: this.zone.name,
runCount: this.runCount
};
}
}
const symbolSetTimeout = __symbol__("setTimeout");
const symbolPromise = __symbol__("Promise");
const symbolThen = __symbol__("then");
let _microTaskQueue = [];
let _isDrainingMicrotaskQueue = false;
let nativeMicroTaskQueuePromise;
function nativeScheduleMicroTask(func) {
if (!nativeMicroTaskQueuePromise) {
if (global[symbolPromise]) {
nativeMicroTaskQueuePromise = global[symbolPromise].resolve(0);
}
}
if (nativeMicroTaskQueuePromise) {
let 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) {
const queue = _microTaskQueue;
_microTaskQueue = [];
for (let i = 0; i < queue.length; i++) {
const task = queue[i];
try {
task.zone.runTask(task, null, null);
} catch (error) {
_api.onUnhandledError(error);
}
}
}
_api.microtaskDrainDone();
_isDrainingMicrotaskQueue = false;
}
}
const NO_ZONE = { name: "NO ZONE" };
const notScheduled = "notScheduled", scheduling = "scheduling", scheduled = "scheduled", running = "running", canceling = "canceling", unknown = "unknown";
const microTask = "microTask", macroTask = "macroTask", eventTask = "eventTask";
const patches = {};
const _api = {
symbol: __symbol__,
currentZoneFrame: () => _currentZoneFrame,
onUnhandledError: noop,
microtaskDrainDone: noop,
scheduleMicroTask,
showUncaughtError: () => !ZoneImpl[__symbol__("ignoreConsoleErrorUncaughtError")],
patchEventTarget: () => [],
patchOnProperties: noop,
patchMethod: () => noop,
bindArguments: () => [],
patchThen: () => noop,
patchMacroTask: () => noop,
patchEventPrototype: () => noop,
getGlobalObjects: () => void 0,
ObjectDefineProperty: () => noop,
ObjectGetOwnPropertyDescriptor: () => void 0,
ObjectCreate: () => void 0,
ArraySlice: () => [],
patchClass: () => noop,
wrapWithCurrentZone: () => noop,
filterProperties: () => [],
attachOriginToPatched: () => noop,
_redefineProperty: () => noop,
patchCallbacks: () => noop,
nativeScheduleMicroTask
};
let _currentZoneFrame = { parent: null, zone: new ZoneImpl(null, null) };
let _currentTask = null;
let _numberOfNestedTaskFrames = 0;
function noop() {
}
performanceMeasure("Zone", "Zone");
return ZoneImpl;
}
// 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 (let 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) {
const source = prototype.constructor["name"];
for (let i = 0; i < fnNames.length; i++) {
const name = fnNames[i];
const delegate = prototype[name];
if (delegate) {
const prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, name);
if (!isPropertyWritable(prototypeDesc)) {
continue;
}
prototype[name] = ((delegate2) => {
const patched = function() {
return delegate2.apply(this, bindArguments(arguments, source + "." + name));
};
attachOriginToPatched(patched, delegate2);
return patched;
})(delegate);
}
}
}
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;
}
let eventNameSymbol = zoneSymbolEventNames[event.type];
if (!eventNameSymbol) {
eventNameSymbol = zoneSymbolEventNames[event.type] = zoneSymbol("ON_PROPERTY" + event.type);
}
const target = this || event.target || _global;
const listener = target[eventNameSymbol];
let result;
if (isBrowser && target === internalWindow && event.type === "error") {
const 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) {
let desc = ObjectGetOwnPropertyDescriptor(obj, prop);
if (!desc && prototype) {
const prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, prop);
if (prototypeDesc) {
desc = { enumerable: true, configurable: true };
}
}
if (!desc || !desc.configurable) {
return;
}
const onPropPatchedSymbol = zoneSymbol("on" + prop + "patched");
if (obj.hasOwnProperty(onPropPatchedSymbol) && obj[onPropPatchedSymbol]) {
return;
}
delete desc.writable;
delete desc.value;
const originalDescGet = desc.get;
const originalDescSet = desc.set;
const eventName = prop.slice(2);
let eventNameSymbol = zoneSymbolEventNames[eventName];
if (!eventNameSymbol) {
eventNameSymbol = zoneSymbolEventNames[eventName] = zoneSymbol("ON_PROPERTY" + eventName);
}
desc.set = function(newValue) {
let target = this;
if (!target && obj === _global) {
target = _global;
}
if (!target) {
return;
}
const 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() {
let target = this;
if (!target && obj === _global) {
target = _global;
}
if (!target) {
return null;
}
const listener = target[eventNameSymbol];
if (listener) {
return listener;
} else if (originalDescGet) {
let 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 (let i = 0; i < properties.length; i++) {
patchProperty(obj, "on" + properties[i], prototype);
}
} else {
const onProperties = [];
for (const prop in obj) {
if (prop.slice(0, 2) == "on") {
onProperties.push(prop);
}
}
for (let j = 0; j < onProperties.length; j++) {
patchProperty(obj, onProperties[j], prototype);
}
}
}
var originalInstanceKey = zoneSymbol("originalInstance");
function patchClass(className) {
const OriginalClass = _global[className];
if (!OriginalClass)
return;
_global[zoneSymbol(className)] = OriginalClass;
_global[className] = function() {
const 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);
const instance = new OriginalClass(function() {
});
let 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;
}
const symbols = Object.getOwnPropertySymbols(src);
symbols.forEach((symbol) => {
const 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 setShouldCopySymbolProperties(flag) {
shouldCopySymbolProperties = flag;
}
function patchMethod(target, name, patchFn) {
let proto = target;
while (proto && !proto.hasOwnProperty(name)) {
proto = ObjectGetPrototypeOf(proto);
}
if (!proto && target[name]) {
proto = target;
}
const delegateName = zoneSymbol(name);
let delegate = null;
if (proto && (!(delegate = proto[delegateName]) || !proto.hasOwnProperty(delegateName))) {
delegate = proto[delegateName] = proto[name];
const desc = proto && ObjectGetOwnPropertyDescriptor(proto, name);
if (isPropertyWritable(desc)) {
const patchDelegate = patchFn(delegate, delegateName, name);
proto[name] = function() {
return patchDelegate(this, arguments);
};
attachOriginToPatched(proto[name], delegate);
if (shouldCopySymbolProperties) {
copySymbolProperties(delegate, proto[name]);
}
}
}
return delegate;
}
function patchMacroTask(obj, funcName, metaCreator) {
let setNative = null;
function scheduleTask(task) {
const 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, (delegate) => function(self2, args) {
const 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 patchMicroTask(obj, funcName, metaCreator) {
let setNative = null;
function scheduleTask(task) {
const 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, (delegate) => function(self2, args) {
const meta = metaCreator(self2, args);
if (meta.cbIdx >= 0 && typeof args[meta.cbIdx] === "function") {
return Zone.current.scheduleMicroTask(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) {
const falseEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + FALSE_STR;
const trueEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + TRUE_STR;
const symbol = ZONE_SYMBOL_PREFIX + falseEventName;
const symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;
zoneSymbolEventNames2[eventName] = {};
zoneSymbolEventNames2[eventName][FALSE_STR] = symbol;
zoneSymbolEventNames2[eventName][TRUE_STR] = symbolCapture;
}
function patchEventTarget(_global2, api, apis, patchOptions) {
const ADD_EVENT_LISTENER = patchOptions && patchOptions.add || ADD_EVENT_LISTENER_STR;
const REMOVE_EVENT_LISTENER = patchOptions && patchOptions.rm || REMOVE_EVENT_LISTENER_STR;
const LISTENERS_EVENT_LISTENER = patchOptions && patchOptions.listeners || "eventListeners";
const REMOVE_ALL_LISTENERS_EVENT_LISTENER = patchOptions && patchOptions.rmAll || "removeAllListeners";
const zoneSymbolAddEventListener = zoneSymbol(ADD_EVENT_LISTENER);
const ADD_EVENT_LISTENER_SOURCE = "." + ADD_EVENT_LISTENER + ":";
const PREPEND_EVENT_LISTENER = "prependListener";
const PREPEND_EVENT_LISTENER_SOURCE = "." + PREPEND_EVENT_LISTENER + ":";
const invokeTask = function(task, target, event) {
if (task.isRemoved) {
return;
}
const delegate = task.callback;
if (typeof delegate === "object" && delegate.handleEvent) {
task.callback = (event2) => delegate.handleEvent(event2);
task.originalDelegate = delegate;
}
let error;
try {
task.invoke(task, target, [event]);
} catch (err) {
error = err;
}
const options = task.options;
if (options && typeof options === "object" && options.once) {
const delegate2 = task.originalDelegate ? task.originalDelegate : task.callback;
target[REMOVE_EVENT_LISTENER].call(target, event.type, delegate2, options);
}
return error;
};
function globalCallback(context, event, isCapture) {
event = event || _global2.event;
if (!event) {
return;
}
const target = context || event.target || _global2;
const tasks = target[zoneSymbolEventNames2[event.type][isCapture ? TRUE_STR : FALSE_STR]];
if (tasks) {
const errors = [];
if (tasks.length === 1) {
const err = invokeTask(tasks[0], target, event);
err && errors.push(err);
} else {
const copyTasks = tasks.slice();
for (let i = 0; i < copyTasks.length; i++) {
if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {
break;
}
const err = invokeTask(copyTasks[i], target, event);
err && errors.push(err);
}
}
if (errors.length === 1) {
throw errors[0];
} else {
for (let i = 0; i < errors.length; i++) {
const err = errors[i];
api.nativeScheduleMicroTask(() => {
throw err;
});
}
}
}
}
const globalZoneAwareCallback = function(event) {
return globalCallback(this, event, false);
};
const globalZoneAwareCaptureCallback = function(event) {
return globalCallback(this, event, true);
};
function patchEventTargetMethods(obj, patchOptions2) {
if (!obj) {
return false;
}
let useGlobalCallback = true;
if (patchOptions2 && patchOptions2.useG !== void 0) {
useGlobalCallback = patchOptions2.useG;
}
const validateHandler = patchOptions2 && patchOptions2.vh;
let checkDuplicate = true;
if (patchOptions2 && patchOptions2.chkDup !== void 0) {
checkDuplicate = patchOptions2.chkDup;
}
let returnTarget = false;
if (patchOptions2 && patchOptions2.rt !== void 0) {
returnTarget = patchOptions2.rt;
}
let proto = obj;
while (proto && !proto.hasOwnProperty(ADD_EVENT_LISTENER)) {
proto = ObjectGetPrototypeOf(proto);
}
if (!proto && obj[ADD_EVENT_LISTENER]) {
proto = obj;
}
if (!proto) {
return false;
}
if (proto[zoneSymbolAddEventListener]) {
return false;
}
const eventNameToString = patchOptions2 && patchOptions2.eventNameToString;
const taskData = {};
const nativeAddEventListener = proto[zoneSymbolAddEventListener] = proto[ADD_EVENT_LISTENER];
const nativeRemoveEventListener = proto[zoneSymbol(REMOVE_EVENT_LISTENER)] = proto[REMOVE_EVENT_LISTENER];
const nativeListeners = proto[zoneSymbol(LISTENERS_EVENT_LISTENER)] = proto[LISTENERS_EVENT_LISTENER];
const nativeRemoveAllListeners = proto[zoneSymbol(REMOVE_ALL_LISTENERS_EVENT_LISTENER)] = proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER];
let nativePrependEventListener;
if (patchOptions2 && patchOptions2.prepend) {
nativePrependEventListener = proto[zoneSymbol(patchOptions2.prepend)] = proto[patchOptions2.prepend];
}
function buildEventListenerOptions(options, passive) {
if (!passive) {
return options;
}
if (typeof options === "boolean") {
return { capture: options, passive: true };
}
if (!options) {
return { passive: true };
}
if (typeof options === "object" && options.passive !== false) {
return __spreadProps(__spreadValues({}, options), { passive: true });
}
return options;
}
const customScheduleGlobal = function(task) {
if (taskData.isExisting) {
return;
}
return nativeAddEventListener.call(taskData.target, taskData.eventName, taskData.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, taskData.options);
};
const customCancelGlobal = function(task) {
if (!task.isRemoved) {
const symbolEventNames = zoneSymbolEventNames2[task.eventName];
let symbolEventName;
if (symbolEventNames) {
symbolEventName = symbolEventNames[task.capture ? TRUE_STR : FALSE_STR];
}
const existingTasks = symbolEventName && task.target[symbolEventName];
if (existingTasks) {
for (let i = 0; i < existingTasks.length; i++) {
const existingTask = existingTasks[i];
if (existingTask === task) {
existingTasks.splice(i, 1);
task.isRemoved = true;
if (task.removeAbortListener) {
task.removeAbortListener();
task.removeAbortListener = null;
}
if (existingTasks.length === 0) {
task.allRemoved = true;
task.target[symbolEventName] = null;
}
break;
}
}
}
}
if (!task.allRemoved) {
return;
}
return nativeRemoveEventListener.call(task.target, task.eventName, task.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, task.options);
};
const customScheduleNonGlobal = function(task) {
return nativeAddEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);
};
const customSchedulePrepend = function(task) {
return nativePrependEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);
};
const customCancelNonGlobal = function(task) {
return nativeRemoveEventListener.call(task.target, task.eventName, task.invoke, task.options);
};
const customSchedule = useGlobalCallback ? customScheduleGlobal : customScheduleNonGlobal;
const customCancel = useGlobalCallback ? customCancelGlobal : customCancelNonGlobal;
const compareTaskCallbackVsDelegate = function(task, delegate) {
const typeOfDelegate = typeof delegate;
return typeOfDelegate === "function" && task.callback === delegate || typeOfDelegate === "object" && task.originalDelegate === delegate;
};
const compare = (patchOptions2 == null ? void 0 : patchOptions2.diff) || compareTaskCallbackVsDelegate;
const unpatchedEvents = Zone[zoneSymbol("UNPATCHED_EVENTS")];
const passiveEvents = _global2[zoneSymbol("PASSIVE_EVENTS")];
function copyEventListenerOptions(options) {
if (typeof options === "object" && options !== null) {
const newOptions = __spreadValues({}, options);
if (options.signal) {
newOptions.signal = options.signal;
}
return newOptions;
}
return options;
}
const makeAddListener = function(nativeListener, addSource, customScheduleFn, customCancelFn, returnTarget2 = false, prepend = false) {
return function() {
const target = this || _global2;
let eventName = arguments[0];
if (patchOptions2 && patchOptions2.transferEventName) {
eventName = patchOptions2.transferEventName(eventName);
}
let delegate = arguments[1];
if (!delegate) {
return nativeListener.apply(this, arguments);
}
if (isNode && eventName === "uncaughtException") {
return nativeListener.apply(this, arguments);
}
let isEventListenerObject = false;
if (typeof delegate !== "function") {
if (!delegate.handleEvent) {
return nativeListener.apply(this, arguments);
}
isEventListenerObject = true;
}
if (validateHandler && !validateHandler(nativeListener, delegate, target, arguments)) {
return;
}
const passive = !!passiveEvents && passiveEvents.indexOf(eventName) !== -1;
const options = copyEventListenerOptions(buildEventListenerOptions(arguments[2], passive));
const signal = options == null ? void 0 : options.signal;
if (signal == null ? void 0 : signal.aborted) {
return;
}
if (unpatchedEvents) {
for (let i = 0; i < unpatchedEvents.length; i++) {
if (eventName === unpatchedEvents[i]) {
if (passive) {
return nativeListener.call(target, eventName, delegate, options);
} else {
return nativeListener.apply(this, arguments);
}
}
}
}
const capture = !options ? false : typeof options === "boolean" ? true : options.capture;
const once = options && typeof options === "object" ? options.once : false;
const zone = Zone.current;
let symbolEventNames = zoneSymbolEventNames2[eventName];
if (!symbolEventNames) {
prepareEventNames(eventName, eventNameToString);
symbolEventNames = zoneSymbolEventNames2[eventName];
}
const symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];
let existingTasks = target[symbolEventName];
let isExisting = false;
if (existingTasks) {
isExisting = true;
if (checkDuplicate) {
for (let i = 0; i < existingTasks.length; i++) {
if (compare(existingTasks[i], delegate)) {
return;
}
}
}
} else {
existingTasks = target[symbolEventName] = [];
}
let source;
const constructorName = target.constructor["name"];
const targetSource = globalSources[constructorName];
if (targetSource) {
source = targetSource[eventName];
}
if (!source) {
source = constructorName + addSource + (eventNameToString ? eventNameToString(eventName) : eventName);
}
taskData.options = options;
if (once) {
taskData.options.once = false;
}
taskData.target = target;
taskData.capture = capture;
taskData.eventName = eventName;
taskData.isExisting = isExisting;
const data = useGlobalCallback ? OPTIMIZED_ZONE_EVENT_TASK_DATA : void 0;
if (data) {
data.taskData = taskData;
}
if (signal) {
taskData.options.signal = void 0;
}
const task = zone.scheduleEventTask(source, delegate, data, customScheduleFn, customCancelFn);
if (signal) {
taskData.options.signal = signal;
const onAbort = () => task.zone.cancelTask(task);
nativeListener.call(signal, "abort", onAbort, { once: true });
task.removeAbortListener = () => signal.removeEventListener("abort", onAbort);
}
taskData.target = null;
if (data) {
data.taskData = null;
}
if (once) {
taskData.options.once = true;
}
if (typeof task.options !== "boolean") {
task.options = options;
}
task.target = target;
task.capture = capture;
task.eventName = eventName;
if (isEventListenerObject) {
task.originalDelegate = delegate;
}
if (!prepend) {
existingTasks.push(task);
} else {
existingTasks.unshift(task);
}
if (returnTarget2) {
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);
}