'use strict';
/**
 * @license Angular v<unknown>
 * (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
 */
Zone.__load_patch('jsonp', (global, Zone, api) => {
    // because jsonp is not a standard api, there are a lot of
    // implementations, so zone.js just provide a helper util to
    // patch the jsonp send and onSuccess/onError callback
    // the options is an object which contains
    // - jsonp, the jsonp object which hold the send function
    // - sendFuncName, the name of the send function
    // - successFuncName, success func name
    // - failedFuncName, failed func name
    Zone[Zone.__symbol__('jsonp')] = function patchJsonp(options) {
        if (!options || !options.jsonp || !options.sendFuncName) {
            return;
        }
        const noop = function () { };
        [options.successFuncName, options.failedFuncName].forEach(methodName => {
            if (!methodName) {
                return;
            }
            const oriFunc = global[methodName];
            if (oriFunc) {
                api.patchMethod(global, methodName, (delegate) => (self, args) => {
                    const task = global[api.symbol('jsonTask')];
                    if (task) {
                        task.callback = delegate;
                        return task.invoke.apply(self, args);
                    }
                    else {
                        return delegate.apply(self, args);
                    }
                });
            }
            else {
                Object.defineProperty(global, methodName, {
                    configurable: true,
                    enumerable: true,
                    get: function () {
                        return function () {
                            const task = global[api.symbol('jsonpTask')];
                            const delegate = global[api.symbol(`jsonp${methodName}callback`)];
                            if (task) {
                                if (delegate) {
                                    task.callback = delegate;
                                }
                                global[api.symbol('jsonpTask')] = undefined;
                                return task.invoke.apply(this, arguments);
                            }
                            else {
                                if (delegate) {
                                    return delegate.apply(this, arguments);
                                }
                            }
                            return null;
                        };
                    },
                    set: function (callback) {
                        this[api.symbol(`jsonp${methodName}callback`)] = callback;
                    }
                });
            }
        });
        api.patchMethod(options.jsonp, options.sendFuncName, (delegate) => (self, args) => {
            global[api.symbol('jsonpTask')] =
                Zone.current.scheduleMacroTask('jsonp', noop, {}, (task) => {
                    return delegate.apply(self, args);
                }, noop);
        });
    };
});
