'use strict';
/**
 * @license Angular v<unknown>
 * (c) 2010-2020 Google LLC. https://angular.io/
 * License: MIT
 */
(function (factory) {
    typeof define === 'function' && define.amd ? define(factory) :
        factory();
}((function () {
    'use strict';
    /**
     * @license
     * Copyright Google LLC All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    var ProxyZoneSpec = /** @class */ (function () {
        function ProxyZoneSpec(defaultSpecDelegate) {
            if (defaultSpecDelegate === void 0) { defaultSpecDelegate = null; }
            this.defaultSpecDelegate = defaultSpecDelegate;
            this.name = 'ProxyZone';
            this._delegateSpec = null;
            this.properties = { 'ProxyZoneSpec': this };
            this.propertyKeys = null;
            this.lastTaskState = null;
            this.isNeedToTriggerHasTask = false;
            this.tasks = [];
            this.setDelegate(defaultSpecDelegate);
        }
        ProxyZoneSpec.get = function () {
            return Zone.current.get('ProxyZoneSpec');
        };
        ProxyZoneSpec.isLoaded = function () {
            return ProxyZoneSpec.get() instanceof ProxyZoneSpec;
        };
        ProxyZoneSpec.assertPresent = function () {
            if (!ProxyZoneSpec.isLoaded()) {
                throw new Error("Expected to be running in 'ProxyZone', but it was not found.");
            }
            return ProxyZoneSpec.get();
        };
        ProxyZoneSpec.prototype.setDelegate = function (delegateSpec) {
            var _this = this;
            var isNewDelegate = this._delegateSpec !== delegateSpec;
            this._delegateSpec = delegateSpec;
            this.propertyKeys && this.propertyKeys.forEach(function (key) { return delete _this.properties[key]; });
            this.propertyKeys = null;
            if (delegateSpec && delegateSpec.properties) {
                this.propertyKeys = Object.keys(delegateSpec.properties);
                this.propertyKeys.forEach(function (k) { return _this.properties[k] = delegateSpec.properties[k]; });
            }
            // if a new delegateSpec was set, check if we need to trigger hasTask
            if (isNewDelegate && this.lastTaskState &&
                (this.lastTaskState.macroTask || this.lastTaskState.microTask)) {
                this.isNeedToTriggerHasTask = true;
            }
        };
        ProxyZoneSpec.prototype.getDelegate = function () {
            return this._delegateSpec;
        };
        ProxyZoneSpec.prototype.resetDelegate = function () {
            var delegateSpec = this.getDelegate();
            this.setDelegate(this.defaultSpecDelegate);
        };
        ProxyZoneSpec.prototype.tryTriggerHasTask = function (parentZoneDelegate, currentZone, targetZone) {
            if (this.isNeedToTriggerHasTask && this.lastTaskState) {
                // last delegateSpec has microTask or macroTask
                // should call onHasTask in current delegateSpec
                this.isNeedToTriggerHasTask = false;
                this.onHasTask(parentZoneDelegate, currentZone, targetZone, this.lastTaskState);
            }
        };
        ProxyZoneSpec.prototype.removeFromTasks = function (task) {
            if (!this.tasks) {
                return;
            }
            for (var i = 0; i < this.tasks.length; i++) {
                if (this.tasks[i] === task) {
                    this.tasks.splice(i, 1);
                    return;
                }
            }
        };
        ProxyZoneSpec.prototype.getAndClearPendingTasksInfo = function () {
            if (this.tasks.length === 0) {
                return '';
            }
            var taskInfo = this.tasks.map(function (task) {
                var dataInfo = task.data &&
                    Object.keys(task.data)
                        .map(function (key) {
                        return key + ':' + task.data[key];
                    })
                        .join(',');
                return "type: " + task.type + ", source: " + task.source + ", args: {" + dataInfo + "}";
            });
            var pendingTasksInfo = '--Pending async tasks are: [' + taskInfo + ']';
            // clear tasks
            this.tasks = [];
            return pendingTasksInfo;
        };
        ProxyZoneSpec.prototype.onFork = function (parentZoneDelegate, currentZone, targetZone, zoneSpec) {
            if (this._delegateSpec && this._delegateSpec.onFork) {
                return this._delegateSpec.onFork(parentZoneDelegate, currentZone, targetZone, zoneSpec);
            }
            else {
                return parentZoneDelegate.fork(targetZone, zoneSpec);
            }
        };
        ProxyZoneSpec.prototype.onIntercept = function (parentZoneDelegate, currentZone, targetZone, delegate, source) {
            if (this._delegateSpec && this._delegateSpec.onIntercept) {
                return this._delegateSpec.onIntercept(parentZoneDelegate, currentZone, targetZone, delegate, source);
            }
            else {
                return parentZoneDelegate.intercept(targetZone, delegate, source);
            }
        };
        ProxyZoneSpec.prototype.onInvoke = function (parentZoneDelegate, currentZone, targetZone, delegate, applyThis, applyArgs, source) {
            this.tryTriggerHasTask(parentZoneDelegate, currentZone, targetZone);
            if (this._delegateSpec && this._delegateSpec.onInvoke) {
                return this._delegateSpec.onInvoke(parentZoneDelegate, currentZone, targetZone, delegate, applyThis, applyArgs, source);
            }
            else {
                return parentZoneDelegate.invoke(targetZone, delegate, applyThis, applyArgs, source);
            }
        };
        ProxyZoneSpec.prototype.onHandleError = function (parentZoneDelegate, currentZone, targetZone, error) {
            if (this._delegateSpec && this._delegateSpec.onHandleError) {
                return this._delegateSpec.onHandleError(parentZoneDelegate, currentZone, targetZone, error);
            }
            else {
                return parentZoneDelegate.handleError(targetZone, error);
            }
        };
        ProxyZoneSpec.prototype.onScheduleTask = function (parentZoneDelegate, currentZone, targetZone, task) {
            if (task.type !== 'eventTask') {
                this.tasks.push(task);
            }
            if (this._delegateSpec && this._delegateSpec.onScheduleTask) {
                return this._delegateSpec.onScheduleTask(parentZoneDelegate, currentZone, targetZone, task);
            }
            else {
                return parentZoneDelegate.scheduleTask(targetZone, task);
            }
        };
        ProxyZoneSpec.prototype.onInvokeTask = function (parentZoneDelegate, currentZone, targetZone, task, applyThis, applyArgs) {
            if (task.type !== 'eventTask') {
                this.removeFromTasks(task);
            }
            this.tryTriggerHasTask(parentZoneDelegate, currentZone, targetZone);
            if (this._delegateSpec && this._delegateSpec.onInvokeTask) {
                return this._delegateSpec.onInvokeTask(parentZoneDelegate, currentZone, targetZone, task, applyThis, applyArgs);
            }
            else {
                return parentZoneDelegate.invokeTask(targetZone, task, applyThis, applyArgs);
            }
        };
        ProxyZoneSpec.prototype.onCancelTask = function (parentZoneDelegate, currentZone, targetZone, task) {
            if (task.type !== 'eventTask') {
                this.removeFromTasks(task);
            }
            this.tryTriggerHasTask(parentZoneDelegate, currentZone, targetZone);
            if (this._delegateSpec && this._delegateSpec.onCancelTask) {
                return this._delegateSpec.onCancelTask(parentZoneDelegate, currentZone, targetZone, task);
            }
            else {
                return parentZoneDelegate.cancelTask(targetZone, task);
            }
        };
        ProxyZoneSpec.prototype.onHasTask = function (delegate, current, target, hasTaskState) {
            this.lastTaskState = hasTaskState;
            if (this._delegateSpec && this._delegateSpec.onHasTask) {
                this._delegateSpec.onHasTask(delegate, current, target, hasTaskState);
            }
            else {
                delegate.hasTask(target, hasTaskState);
            }
        };
        return ProxyZoneSpec;
    }());
    // Export the class so that new instances can be created with proper
    // constructor params.
    Zone['ProxyZoneSpec'] = ProxyZoneSpec;
})));
