'use strict';
/**
 * @license Angular v12.0.0-next.0
 * (c) 2010-2020 Google LLC. https://angular.io/
 * License: MIT
 */
/**
 * @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
 */
/*
 * This is necessary for Chrome and Chrome mobile, to enable
 * things like redefining `createdCallback` on an element.
 */
let zoneSymbol;
let _defineProperty;
let _getOwnPropertyDescriptor;
let _create;
let unconfigurablesKey;
function propertyPatch() {
    zoneSymbol = Zone.__symbol__;
    _defineProperty = Object[zoneSymbol('defineProperty')] = Object.defineProperty;
    _getOwnPropertyDescriptor = Object[zoneSymbol('getOwnPropertyDescriptor')] =
        Object.getOwnPropertyDescriptor;
    _create = Object.create;
    unconfigurablesKey = zoneSymbol('unconfigurables');
    Object.defineProperty = function (obj, prop, desc) {
        if (isUnconfigurable(obj, prop)) {
            throw new TypeError('Cannot assign to read only property \'' + prop + '\' of ' + obj);
        }
        const originalConfigurableFlag = desc.configurable;
        if (prop !== 'prototype') {
            desc = rewriteDescriptor(obj, prop, desc);
        }
        return _tryDefineProperty(obj, prop, desc, originalConfigurableFlag);
    };
    Object.defineProperties = function (obj, props) {
        Object.keys(props).forEach(function (prop) {
            Object.defineProperty(obj, prop, props[prop]);
        });
        return obj;
    };
    Object.create = function (obj, proto) {
        if (typeof proto === 'object' && !Object.isFrozen(proto)) {
            Object.keys(proto).forEach(function (prop) {
                proto[prop] = rewriteDescriptor(obj, prop, proto[prop]);
            });
        }
        return _create(obj, proto);
    };
    Object.getOwnPropertyDescriptor = function (obj, prop) {
        const desc = _getOwnPropertyDescriptor(obj, prop);
        if (desc && isUnconfigurable(obj, prop)) {
            desc.configurable = false;
        }
        return desc;
    };
}
function _redefineProperty(obj, prop, desc) {
    const originalConfigurableFlag = desc.configurable;
    desc = rewriteDescriptor(obj, prop, desc);
    return _tryDefineProperty(obj, prop, desc, originalConfigurableFlag);
}
function isUnconfigurable(obj, prop) {
    return obj && obj[unconfigurablesKey] && obj[unconfigurablesKey][prop];
}
function rewriteDescriptor(obj, prop, desc) {
    // issue-927, if the desc is frozen, don't try to change the desc
    if (!Object.isFrozen(desc)) {
        desc.configurable = true;
    }
    if (!desc.configurable) {
        // issue-927, if the obj is frozen, don't try to set the desc to obj
        if (!obj[unconfigurablesKey] && !Object.isFrozen(obj)) {
            _defineProperty(obj, unconfigurablesKey, { writable: true, value: {} });
        }
        if (obj[unconfigurablesKey]) {
            obj[unconfigurablesKey][prop] = true;
        }
    }
    return desc;
}
function _tryDefineProperty(obj, prop, desc, originalConfigurableFlag) {
    try {
        return _defineProperty(obj, prop, desc);
    }
    catch (error) {
        if (desc.configurable) {
            // In case of errors, when the configurable flag was likely set by rewriteDescriptor(), let's
            // retry with the original flag value
            if (typeof originalConfigurableFlag == 'undefined') {
                delete desc.configurable;
            }
            else {
                desc.configurable = originalConfigurableFlag;
            }
            try {
                return _defineProperty(obj, prop, desc);
            }
            catch (error) {
                let swallowError = false;
                if (prop === 'createdCallback' || prop === 'attachedCallback' ||
                    prop === 'detachedCallback' || prop === 'attributeChangedCallback') {
                    // We only swallow the error in registerElement patch
                    // this is the work around since some applications
                    // fail if we throw the error
                    swallowError = true;
                }
                if (!swallowError) {
                    throw error;
                }
                // TODO: @JiaLiPassion, Some application such as `registerElement` patch
                // still need to swallow the error, in the future after these applications
                // are updated, the following logic can be removed.
                let descJson = null;
                try {
                    descJson = JSON.stringify(desc);
                }
                catch (error) {
                    descJson = desc.toString();
                }
                console.log(`Attempting to configure '${prop}' with descriptor '${descJson}' on object '${obj}' and got error, giving up: ${error}`);
            }
        }
        else {
            throw error;
        }
    }
}

/**
 * @license
 * Copyright Google 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
 */
function eventTargetLegacyPatch(_global, api) {
    const { eventNames, globalSources, zoneSymbolEventNames, TRUE_STR, FALSE_STR, ZONE_SYMBOL_PREFIX } = api.getGlobalObjects();
    const WTF_ISSUE_555 = 'Anchor,Area,Audio,BR,Base,BaseFont,Body,Button,Canvas,Content,DList,Directory,Div,Embed,FieldSet,Font,Form,Frame,FrameSet,HR,Head,Heading,Html,IFrame,Image,Input,Keygen,LI,Label,Legend,Link,Map,Marquee,Media,Menu,Meta,Meter,Mod,OList,Object,OptGroup,Option,Output,Paragraph,Pre,Progress,Quote,Script,Select,Source,Span,Style,TableCaption,TableCell,TableCol,Table,TableRow,TableSection,TextArea,Title,Track,UList,Unknown,Video';
    const NO_EVENT_TARGET = 'ApplicationCache,EventSource,FileReader,InputMethodContext,MediaController,MessagePort,Node,Performance,SVGElementInstance,SharedWorker,TextTrack,TextTrackCue,TextTrackList,WebKitNamedFlow,Window,Worker,WorkerGlobalScope,XMLHttpRequest,XMLHttpRequestEventTarget,XMLHttpRequestUpload,IDBRequest,IDBOpenDBRequest,IDBDatabase,IDBTransaction,IDBCursor,DBIndex,WebSocket'
        .split(',');
    const EVENT_TARGET = 'EventTarget';
    let apis = [];
    const isWtf = _global['wtf'];
    const WTF_ISSUE_555_ARRAY = WTF_ISSUE_555.split(',');
    if (isWtf) {
        // Workaround for: https://github.com/google/tracing-framework/issues/555
        apis = WTF_ISSUE_555_ARRAY.map((v) => 'HTML' + v + 'Element').concat(NO_EVENT_TARGET);
    }
    else if (_global[EVENT_TARGET]) {
        apis.push(EVENT_TARGET);
    }
    else {
        // Note: EventTarget is not available in all browsers,
        // if it's not available, we instead patch the APIs in the IDL that inherit from EventTarget
        apis = NO_EVENT_TARGET;
    }
    const isDisableIECheck = _global['__Zone_disable_IE_check'] || false;
    const isEnableCrossContextCheck = _global['__Zone_enable_cross_context_check'] || false;
    const ieOrEdge = api.isIEOrEdge();
    const ADD_EVENT_LISTENER_SOURCE = '.addEventListener:';
    const FUNCTION_WRAPPER = '[object FunctionWrapper]';
    const BROWSER_TOOLS = 'function __BROWSERTOOLS_CONSOLE_SAFEFUNC() { [native code] }';
    const pointerEventsMap = {
        'MSPointerCancel': 'pointercancel',
        'MSPointerDown': 'pointerdown',
        'MSPointerEnter': 'pointerenter',
        'MSPointerHover': 'pointerhover',
        'MSPointerLeave': 'pointerleave',
        'MSPointerMove': 'pointermove',
        'MSPointerOut': 'pointerout',
        'MSPointerOver': 'pointerover',
        'MSPointerUp': 'pointerup'
    };
    //  predefine all __zone_symbol__ + eventName + true/false string
    for (let i = 0; i < eventNames.length; i++) {
        const eventName = eventNames[i];
        const falseEventName = eventName + FALSE_STR;
        const trueEventName = eventName + TRUE_STR;
        const symbol = ZONE_SYMBOL_PREFIX + falseEventName;
        const symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;
        zoneSymbolEventNames[eventName] = {};
        zoneSymbolEventNames[eventName][FALSE_STR] = symbol;
        zoneSymbolEventNames[eventName][TRUE_STR] = symbolCapture;
    }
    //  predefine all task.source string
    for (let i = 0; i < WTF_ISSUE_555_ARRAY.length; i++) {
        const target = WTF_ISSUE_555_ARRAY[i];
        const targets = globalSources[target] = {};
        for (let j = 0; j < eventNames.length; j++) {
            const eventName = eventNames[j];
            targets[eventName] = target + ADD_EVENT_LISTENER_SOURCE + eventName;
        }
    }
    const checkIEAndCrossContext = function (nativeDelegate, delegate, target, args) {
        if (!isDisableIECheck && ieOrEdge) {
            if (isEnableCrossContextCheck) {
                try {
                    const testString = delegate.toString();
                    if ((testString === FUNCTION_WRAPPER || testString == BROWSER_TOOLS)) {
                        nativeDelegate.apply(target, args);
                        return false;
                    }
                }
                catch (error) {
                    nativeDelegate.apply(target, args);
                    return false;
                }
            }
            else {
                const testString = delegate.toString();
                if ((testString === FUNCTION_WRAPPER || testString == BROWSER_TOOLS)) {
                    nativeDelegate.apply(target, args);
                    return false;
                }
            }
        }
        else if (isEnableCrossContextCheck) {
            try {
                delegate.toString();
            }
            catch (error) {
                nativeDelegate.apply(target, args);
                return false;
            }
        }
        return true;
    };
    const apiTypes = [];
    for (let i = 0; i < apis.length; i++) {
        const type = _global[apis[i]];
        apiTypes.push(type && type.prototype);
    }
    // vh is validateHandler to check event handler
    // is valid or not(for security check)
    api.patchEventTarget(_global, apiTypes, {
        vh: checkIEAndCrossContext,
        transferEventName: (eventName) => {
            const pointerEventName = pointerEventsMap[eventName];
            return pointerEventName || eventName;
        }
    });
    Zone[api.symbol('patchEventTarget')] = !!_global[EVENT_TARGET];
    return true;
}

/**
 * @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
 */
// we have to patch the instance since the proto is non-configurable
function apply(api, _global) {
    const { ADD_EVENT_LISTENER_STR, REMOVE_EVENT_LISTENER_STR } = api.getGlobalObjects();
    const WS = _global.WebSocket;
    // On Safari window.EventTarget doesn't exist so need to patch WS add/removeEventListener
    // On older Chrome, no need since EventTarget was already patched
    if (!_global.EventTarget) {
        api.patchEventTarget(_global, [WS.prototype]);
    }
    _global.WebSocket = function (x, y) {
        const socket = arguments.length > 1 ? new WS(x, y) : new WS(x);
        let proxySocket;
        let proxySocketProto;
        // Safari 7.0 has non-configurable own 'onmessage' and friends properties on the socket instance
        const onmessageDesc = api.ObjectGetOwnPropertyDescriptor(socket, 'onmessage');
        if (onmessageDesc && onmessageDesc.configurable === false) {
            proxySocket = api.ObjectCreate(socket);
            // socket have own property descriptor 'onopen', 'onmessage', 'onclose', 'onerror'
            // but proxySocket not, so we will keep socket as prototype and pass it to
            // patchOnProperties method
            proxySocketProto = socket;
            [ADD_EVENT_LISTENER_STR, REMOVE_EVENT_LISTENER_STR, 'send', 'close'].forEach(function (propName) {
                proxySocket[propName] = function () {
                    const args = api.ArraySlice.call(arguments);
                    if (propName === ADD_EVENT_LISTENER_STR || propName === REMOVE_EVENT_LISTENER_STR) {
                        const eventName = args.length > 0 ? args[0] : undefined;
                        if (eventName) {
                            const propertySymbol = Zone.__symbol__('ON_PROPERTY' + eventName);
                            socket[propertySymbol] = proxySocket[propertySymbol];
                        }
                    }
                    return socket[propName].apply(socket, args);
                };
            });
        }
        else {
            // we can patch the real socket
            proxySocket = socket;
        }
        api.patchOnProperties(proxySocket, ['close', 'error', 'message', 'open'], proxySocketProto);
        return proxySocket;
    };
    const globalWebSocket = _global['WebSocket'];
    for (const prop in WS) {
        globalWebSocket[prop] = WS[prop];
    }
}

/**
 * @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
 */
function propertyDescriptorLegacyPatch(api, _global) {
    const { isNode, isMix } = api.getGlobalObjects();
    if (isNode && !isMix) {
        return;
    }
    if (!canPatchViaPropertyDescriptor(api, _global)) {
        const supportsWebSocket = typeof WebSocket !== 'undefined';
        // Safari, Android browsers (Jelly Bean)
        patchViaCapturingAllTheEvents(api);
        api.patchClass('XMLHttpRequest');
        if (supportsWebSocket) {
            apply(api, _global);
        }
        Zone[api.symbol('patchEvents')] = true;
    }
}
function canPatchViaPropertyDescriptor(api, _global) {
    const { isBrowser, isMix } = api.getGlobalObjects();
    if ((isBrowser || isMix) &&
        !api.ObjectGetOwnPropertyDescriptor(HTMLElement.prototype, 'onclick') &&
        typeof Element !== 'undefined') {
        // WebKit https://bugs.webkit.org/show_bug.cgi?id=134364
        // IDL interface attributes are not configurable
        const desc = api.ObjectGetOwnPropertyDescriptor(Element.prototype, 'onclick');
        if (desc && !desc.configurable)
            return false;
        // try to use onclick to detect whether we can patch via propertyDescriptor
        // because XMLHttpRequest is not available in service worker
        if (desc) {
            api.ObjectDefineProperty(Element.prototype, 'onclick', {
                enumerable: true,
                configurable: true,
                get: function () {
                    return true;
                }
            });
            const div = document.createElement('div');
            const result = !!div.onclick;
            api.ObjectDefineProperty(Element.prototype, 'onclick', desc);
            return result;
        }
    }
    const XMLHttpRequest = _global['XMLHttpRequest'];
    if (!XMLHttpRequest) {
        // XMLHttpRequest is not available in service worker
        return false;
    }
    const ON_READY_STATE_CHANGE = 'onreadystatechange';
    const XMLHttpRequestPrototype = XMLHttpRequest.prototype;
    const xhrDesc = api.ObjectGetOwnPropertyDescriptor(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE);
    // add enumerable and configurable here because in opera
    // by default XMLHttpRequest.prototype.onreadystatechange is undefined
    // without adding enumerable and configurable will cause onreadystatechange
    // non-configurable
    // and if XMLHttpRequest.prototype.onreadystatechange is undefined,
    // we should set a real desc instead a fake one
    if (xhrDesc) {
        api.ObjectDefineProperty(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE, {
            enumerable: true,
            configurable: true,
            get: function () {
                return true;
            }
        });
        const req = new XMLHttpRequest();
        const result = !!req.onreadystatechange;
        // restore original desc
        api.ObjectDefineProperty(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE, xhrDesc || {});
        return result;
    }
    else {
        const SYMBOL_FAKE_ONREADYSTATECHANGE = api.symbol('fake');
        api.ObjectDefineProperty(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE, {
            enumerable: true,
            configurable: true,
            get: function () {
                return this[SYMBOL_FAKE_ONREADYSTATECHANGE];
            },
            set: function (value) {
                this[SYMBOL_FAKE_ONREADYSTATECHANGE] = value;
            }
        });
        const req = new XMLHttpRequest();
        const detectFunc = () => { };
        req.onreadystatechange = detectFunc;
        const result = req[SYMBOL_FAKE_ONREADYSTATECHANGE] === detectFunc;
        req.onreadystatechange = null;
        return result;
    }
}
// Whenever any eventListener fires, we check the eventListener target and all parents
// for `onwhatever` properties and replace them with zone-bound functions
// - Chrome (for now)
function patchViaCapturingAllTheEvents(api) {
    const { eventNames } = api.getGlobalObjects();
    const unboundKey = api.symbol('unbound');
    for (let i = 0; i < eventNames.length; i++) {
        const property = eventNames[i];
        const onproperty = 'on' + property;
        self.addEventListener(property, function (event) {
            let elt = event.target, bound, source;
            if (elt) {
                source = elt.constructor['name'] + '.' + onproperty;
            }
            else {
                source = 'unknown.' + onproperty;
            }
            while (elt) {
                if (elt[onproperty] && !elt[onproperty][unboundKey]) {
                    bound = api.wrapWithCurrentZone(elt[onproperty], source);
                    bound[unboundKey] = elt[onproperty];
                    elt[onproperty] = bound;
                }
                elt = elt.parentElement;
            }
        }, true);
    }
}

/**
 * @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
 */
function registerElementPatch(_global, api) {
    const { isBrowser, isMix } = api.getGlobalObjects();
    if ((!isBrowser && !isMix) || !('registerElement' in _global.document)) {
        return;
    }
    const callbacks = ['createdCallback', 'attachedCallback', 'detachedCallback', 'attributeChangedCallback'];
    api.patchCallbacks(api, document, 'Document', 'registerElement', callbacks);
}

/**
 * @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
 */
(function (_global) {
    const symbolPrefix = _global['__Zone_symbol_prefix'] || '__zone_symbol__';
    function __symbol__(name) {
        return symbolPrefix + name;
    }
    _global[__symbol__('legacyPatch')] = function () {
        const Zone = _global['Zone'];
        Zone.__load_patch('defineProperty', (global, Zone, api) => {
            api._redefineProperty = _redefineProperty;
            propertyPatch();
        });
        Zone.__load_patch('registerElement', (global, Zone, api) => {
            registerElementPatch(global, api);
        });
        Zone.__load_patch('EventTargetLegacy', (global, Zone, api) => {
            eventTargetLegacyPatch(global, api);
            propertyDescriptorLegacyPatch(api, global);
        });
    };
})(typeof window !== 'undefined' ?
    window :
    typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {});