/**
 * @license Angular v9.0.0-rc.8
 * (c) 2010-2019 Google LLC. https://angular.io/
 * License: MIT
 */

(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/common'), require('@angular/core'), require('@angular/upgrade/static')) :
    typeof define === 'function' && define.amd ? define('@angular/common/upgrade', ['exports', '@angular/common', '@angular/core', '@angular/upgrade/static'], factory) :
    (global = global || self, factory((global.ng = global.ng || {}, global.ng.common = global.ng.common || {}, global.ng.common.upgrade = {}), global.ng.common, global.ng.core, global.ng.upgrade.static));
}(this, (function (exports, common, core, _static) { 'use strict';

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation. All rights reserved.
    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
    this file except in compliance with the License. You may obtain a copy of the
    License at http://www.apache.org/licenses/LICENSE-2.0

    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
    MERCHANTABLITY OR NON-INFRINGEMENT.

    See the Apache Version 2.0 License for specific language governing permissions
    and limitations under the License.
    ***************************************************************************** */
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    /**
     * @license
     * Copyright Google Inc. 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 stripPrefix(val, prefix) {
        return val.startsWith(prefix) ? val.substring(prefix.length) : val;
    }
    function deepEqual(a, b) {
        if (a === b) {
            return true;
        }
        else if (!a || !b) {
            return false;
        }
        else {
            try {
                if ((a.prototype !== b.prototype) || (Array.isArray(a) && Array.isArray(b))) {
                    return false;
                }
                return JSON.stringify(a) === JSON.stringify(b);
            }
            catch (e) {
                return false;
            }
        }
    }
    function isAnchor(el) {
        return el.href !== undefined;
    }
    function isPromise(obj) {
        // allow any Promise/A+ compliant thenable.
        // It's up to the caller to ensure that obj.then conforms to the spec
        return !!obj && typeof obj.then === 'function';
    }

    /**
     * @license
     * Copyright Google Inc. 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 PATH_MATCH = /^([^?#]*)(\?([^#]*))?(#(.*))?$/;
    var DOUBLE_SLASH_REGEX = /^\s*[\\/]{2,}/;
    var IGNORE_URI_REGEXP = /^\s*(javascript|mailto):/i;
    var DEFAULT_PORTS = {
        'http:': 80,
        'https:': 443,
        'ftp:': 21
    };
    /**
     * Location service that provides a drop-in replacement for the $location service
     * provided in AngularJS.
     *
     * @see [Using the Angular Unified Location Service](guide/upgrade#using-the-unified-angular-location-service)
     *
     * @publicApi
     */
    var $locationShim = /** @class */ (function () {
        function $locationShim($injector, location, platformLocation, urlCodec, locationStrategy) {
            var _this = this;
            this.location = location;
            this.platformLocation = platformLocation;
            this.urlCodec = urlCodec;
            this.locationStrategy = locationStrategy;
            this.initalizing = true;
            this.updateBrowser = false;
            this.$$absUrl = '';
            this.$$url = '';
            this.$$host = '';
            this.$$replace = false;
            this.$$path = '';
            this.$$search = '';
            this.$$hash = '';
            this.$$changeListeners = [];
            this.cachedState = null;
            this.lastBrowserUrl = '';
            // This variable should be used *only* inside the cacheState function.
            this.lastCachedState = null;
            var initialUrl = this.browserUrl();
            var parsedUrl = this.urlCodec.parse(initialUrl);
            if (typeof parsedUrl === 'string') {
                throw 'Invalid URL';
            }
            this.$$protocol = parsedUrl.protocol;
            this.$$host = parsedUrl.hostname;
            this.$$port = parseInt(parsedUrl.port) || DEFAULT_PORTS[parsedUrl.protocol] || null;
            this.$$parseLinkUrl(initialUrl, initialUrl);
            this.cacheState();
            this.$$state = this.browserState();
            if (isPromise($injector)) {
                $injector.then(function ($i) { return _this.initialize($i); });
            }
            else {
                this.initialize($injector);
            }
        }
        $locationShim.prototype.initialize = function ($injector) {
            var _this = this;
            var $rootScope = $injector.get('$rootScope');
            var $rootElement = $injector.get('$rootElement');
            $rootElement.on('click', function (event) {
                if (event.ctrlKey || event.metaKey || event.shiftKey || event.which === 2 ||
                    event.button === 2) {
                    return;
                }
                var elm = event.target;
                // traverse the DOM up to find first A tag
                while (elm && elm.nodeName.toLowerCase() !== 'a') {
                    // ignore rewriting if no A tag (reached root element, or no parent - removed from document)
                    if (elm === $rootElement[0] || !(elm = elm.parentNode)) {
                        return;
                    }
                }
                if (!isAnchor(elm)) {
                    return;
                }
                var absHref = elm.href;
                var relHref = elm.getAttribute('href');
                // Ignore when url is started with javascript: or mailto:
                if (IGNORE_URI_REGEXP.test(absHref)) {
                    return;
                }
                if (absHref && !elm.getAttribute('target') && !event.isDefaultPrevented()) {
                    if (_this.$$parseLinkUrl(absHref, relHref)) {
                        // We do a preventDefault for all urls that are part of the AngularJS application,
                        // in html5mode and also without, so that we are able to abort navigation without
                        // getting double entries in the location history.
                        event.preventDefault();
                        // update location manually
                        if (_this.absUrl() !== _this.browserUrl()) {
                            $rootScope.$apply();
                        }
                    }
                }
            });
            this.location.onUrlChange(function (newUrl, newState) {
                var oldUrl = _this.absUrl();
                var oldState = _this.$$state;
                _this.$$parse(newUrl);
                newUrl = _this.absUrl();
                _this.$$state = newState;
                var defaultPrevented = $rootScope.$broadcast('$locationChangeStart', newUrl, oldUrl, newState, oldState)
                    .defaultPrevented;
                // if the location was changed by a `$locationChangeStart` handler then stop
                // processing this location change
                if (_this.absUrl() !== newUrl)
                    return;
                // If default was prevented, set back to old state. This is the state that was locally
                // cached in the $location service.
                if (defaultPrevented) {
                    _this.$$parse(oldUrl);
                    _this.state(oldState);
                    _this.setBrowserUrlWithFallback(oldUrl, false, oldState);
                    _this.$$notifyChangeListeners(_this.url(), _this.$$state, oldUrl, oldState);
                }
                else {
                    _this.initalizing = false;
                    $rootScope.$broadcast('$locationChangeSuccess', newUrl, oldUrl, newState, oldState);
                    _this.resetBrowserUpdate();
                }
                if (!$rootScope.$$phase) {
                    $rootScope.$digest();
                }
            });
            // update browser
            $rootScope.$watch(function () {
                if (_this.initalizing || _this.updateBrowser) {
                    _this.updateBrowser = false;
                    var oldUrl_1 = _this.browserUrl();
                    var newUrl = _this.absUrl();
                    var oldState_1 = _this.browserState();
                    var currentReplace_1 = _this.$$replace;
                    var urlOrStateChanged_1 = !_this.urlCodec.areEqual(oldUrl_1, newUrl) || oldState_1 !== _this.$$state;
                    // Fire location changes one time to on initialization. This must be done on the
                    // next tick (thus inside $evalAsync()) in order for listeners to be registered
                    // before the event fires. Mimicing behavior from $locationWatch:
                    // https://github.com/angular/angular.js/blob/master/src/ng/location.js#L983
                    if (_this.initalizing || urlOrStateChanged_1) {
                        _this.initalizing = false;
                        $rootScope.$evalAsync(function () {
                            // Get the new URL again since it could have changed due to async update
                            var newUrl = _this.absUrl();
                            var defaultPrevented = $rootScope
                                .$broadcast('$locationChangeStart', newUrl, oldUrl_1, _this.$$state, oldState_1)
                                .defaultPrevented;
                            // if the location was changed by a `$locationChangeStart` handler then stop
                            // processing this location change
                            if (_this.absUrl() !== newUrl)
                                return;
                            if (defaultPrevented) {
                                _this.$$parse(oldUrl_1);
                                _this.$$state = oldState_1;
                            }
                            else {
                                // This block doesn't run when initalizing because it's going to perform the update to
                                // the URL which shouldn't be needed when initalizing.
                                if (urlOrStateChanged_1) {
                                    _this.setBrowserUrlWithFallback(newUrl, currentReplace_1, oldState_1 === _this.$$state ? null : _this.$$state);
                                    _this.$$replace = false;
                                }
                                $rootScope.$broadcast('$locationChangeSuccess', newUrl, oldUrl_1, _this.$$state, oldState_1);
                                if (urlOrStateChanged_1) {
                                    _this.$$notifyChangeListeners(_this.url(), _this.$$state, oldUrl_1, oldState_1);
                                }
                            }
                        });
                    }
                }
                _this.$$replace = false;
            });
        };
        $locationShim.prototype.resetBrowserUpdate = function () {
            this.$$replace = false;
            this.$$state = this.browserState();
            this.updateBrowser = false;
            this.lastBrowserUrl = this.browserUrl();
        };
        $locationShim.prototype.browserUrl = function (url, replace, state) {
            // In modern browsers `history.state` is `null` by default; treating it separately
            // from `undefined` would cause `$browser.url('/foo')` to change `history.state`
            // to undefined via `pushState`. Instead, let's change `undefined` to `null` here.
            if (typeof state === 'undefined') {
                state = null;
            }
            // setter
            if (url) {
                var sameState = this.lastHistoryState === state;
                // Normalize the inputted URL
                url = this.urlCodec.parse(url).href;
                // Don't change anything if previous and current URLs and states match.
                if (this.lastBrowserUrl === url && sameState) {
                    return this;
                }
                this.lastBrowserUrl = url;
                this.lastHistoryState = state;
                // Remove server base from URL as the Angular APIs for updating URL require
                // it to be the path+.
                url = this.stripBaseUrl(this.getServerBase(), url) || url;
                // Set the URL
                if (replace) {
                    this.locationStrategy.replaceState(state, '', url, '');
                }
                else {
                    this.locationStrategy.pushState(state, '', url, '');
                }
                this.cacheState();
                return this;
                // getter
            }
            else {
                return this.platformLocation.href;
            }
        };
        $locationShim.prototype.cacheState = function () {
            // This should be the only place in $browser where `history.state` is read.
            this.cachedState = this.platformLocation.getState();
            if (typeof this.cachedState === 'undefined') {
                this.cachedState = null;
            }
            // Prevent callbacks fo fire twice if both hashchange & popstate were fired.
            if (deepEqual(this.cachedState, this.lastCachedState)) {
                this.cachedState = this.lastCachedState;
            }
            this.lastCachedState = this.cachedState;
            this.lastHistoryState = this.cachedState;
        };
        /**
         * This function emulates the $browser.state() function from AngularJS. It will cause
         * history.state to be cached unless changed with deep equality check.
         */
        $locationShim.prototype.browserState = function () { return this.cachedState; };
        $locationShim.prototype.stripBaseUrl = function (base, url) {
            if (url.startsWith(base)) {
                return url.substr(base.length);
            }
            return undefined;
        };
        $locationShim.prototype.getServerBase = function () {
            var _a = this.platformLocation, protocol = _a.protocol, hostname = _a.hostname, port = _a.port;
            var baseHref = this.locationStrategy.getBaseHref();
            var url = protocol + "//" + hostname + (port ? ':' + port : '') + (baseHref || '/');
            return url.endsWith('/') ? url : url + '/';
        };
        $locationShim.prototype.parseAppUrl = function (url) {
            if (DOUBLE_SLASH_REGEX.test(url)) {
                throw new Error("Bad Path - URL cannot start with double slashes: " + url);
            }
            var prefixed = (url.charAt(0) !== '/');
            if (prefixed) {
                url = '/' + url;
            }
            var match = this.urlCodec.parse(url, this.getServerBase());
            if (typeof match === 'string') {
                throw new Error("Bad URL - Cannot parse URL: " + url);
            }
            var path = prefixed && match.pathname.charAt(0) === '/' ? match.pathname.substring(1) : match.pathname;
            this.$$path = this.urlCodec.decodePath(path);
            this.$$search = this.urlCodec.decodeSearch(match.search);
            this.$$hash = this.urlCodec.decodeHash(match.hash);
            // make sure path starts with '/';
            if (this.$$path && this.$$path.charAt(0) !== '/') {
                this.$$path = '/' + this.$$path;
            }
        };
        /**
         * Registers listeners for URL changes. This API is used to catch updates performed by the
         * AngularJS framework. These changes are a subset of the `$locationChangeStart` and
         * `$locationChangeSuccess` events which fire when AngularJS updates its internally-referenced
         * version of the browser URL.
         *
         * It's possible for `$locationChange` events to happen, but for the browser URL
         * (window.location) to remain unchanged. This `onChange` callback will fire only when AngularJS
         * actually updates the browser URL (window.location).
         *
         * @param fn The callback function that is triggered for the listener when the URL changes.
         * @param err The callback function that is triggered when an error occurs.
         */
        $locationShim.prototype.onChange = function (fn, err) {
            if (err === void 0) { err = function (e) { }; }
            this.$$changeListeners.push([fn, err]);
        };
        /** @internal */
        $locationShim.prototype.$$notifyChangeListeners = function (url, state, oldUrl, oldState) {
            if (url === void 0) { url = ''; }
            if (oldUrl === void 0) { oldUrl = ''; }
            this.$$changeListeners.forEach(function (_a) {
                var _b = __read(_a, 2), fn = _b[0], err = _b[1];
                try {
                    fn(url, state, oldUrl, oldState);
                }
                catch (e) {
                    err(e);
                }
            });
        };
        /**
         * Parses the provided URL, and sets the current URL to the parsed result.
         *
         * @param url The URL string.
         */
        $locationShim.prototype.$$parse = function (url) {
            var pathUrl;
            if (url.startsWith('/')) {
                pathUrl = url;
            }
            else {
                // Remove protocol & hostname if URL starts with it
                pathUrl = this.stripBaseUrl(this.getServerBase(), url);
            }
            if (typeof pathUrl === 'undefined') {
                throw new Error("Invalid url \"" + url + "\", missing path prefix \"" + this.getServerBase() + "\".");
            }
            this.parseAppUrl(pathUrl);
            if (!this.$$path) {
                this.$$path = '/';
            }
            this.composeUrls();
        };
        /**
         * Parses the provided URL and its relative URL.
         *
         * @param url The full URL string.
         * @param relHref A URL string relative to the full URL string.
         */
        $locationShim.prototype.$$parseLinkUrl = function (url, relHref) {
            // When relHref is passed, it should be a hash and is handled separately
            if (relHref && relHref[0] === '#') {
                this.hash(relHref.slice(1));
                return true;
            }
            var rewrittenUrl;
            var appUrl = this.stripBaseUrl(this.getServerBase(), url);
            if (typeof appUrl !== 'undefined') {
                rewrittenUrl = this.getServerBase() + appUrl;
            }
            else if (this.getServerBase() === url + '/') {
                rewrittenUrl = this.getServerBase();
            }
            // Set the URL
            if (rewrittenUrl) {
                this.$$parse(rewrittenUrl);
            }
            return !!rewrittenUrl;
        };
        $locationShim.prototype.setBrowserUrlWithFallback = function (url, replace, state) {
            var oldUrl = this.url();
            var oldState = this.$$state;
            try {
                this.browserUrl(url, replace, state);
                // Make sure $location.state() returns referentially identical (not just deeply equal)
                // state object; this makes possible quick checking if the state changed in the digest
                // loop. Checking deep equality would be too expensive.
                this.$$state = this.browserState();
            }
            catch (e) {
                // Restore old values if pushState fails
                this.url(oldUrl);
                this.$$state = oldState;
                throw e;
            }
        };
        $locationShim.prototype.composeUrls = function () {
            this.$$url = this.urlCodec.normalize(this.$$path, this.$$search, this.$$hash);
            this.$$absUrl = this.getServerBase() + this.$$url.substr(1); // remove '/' from front of URL
            this.updateBrowser = true;
        };
        /**
         * Retrieves the full URL representation with all segments encoded according to
         * rules specified in
         * [RFC 3986](http://www.ietf.org/rfc/rfc3986.txt).
         *
         *
         * ```js
         * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo
         * let absUrl = $location.absUrl();
         * // => "http://example.com/#/some/path?foo=bar&baz=xoxo"
         * ```
         */
        $locationShim.prototype.absUrl = function () { return this.$$absUrl; };
        $locationShim.prototype.url = function (url) {
            if (typeof url === 'string') {
                if (!url.length) {
                    url = '/';
                }
                var match = PATH_MATCH.exec(url);
                if (!match)
                    return this;
                if (match[1] || url === '')
                    this.path(this.urlCodec.decodePath(match[1]));
                if (match[2] || match[1] || url === '')
                    this.search(match[3] || '');
                this.hash(match[5] || '');
                // Chainable method
                return this;
            }
            return this.$$url;
        };
        /**
         * Retrieves the protocol of the current URL.
         *
         * ```js
         * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo
         * let protocol = $location.protocol();
         * // => "http"
         * ```
         */
        $locationShim.prototype.protocol = function () { return this.$$protocol; };
        /**
         * Retrieves the protocol of the current URL.
         *
         * In contrast to the non-AngularJS version `location.host` which returns `hostname:port`, this
         * returns the `hostname` portion only.
         *
         *
         * ```js
         * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo
         * let host = $location.host();
         * // => "example.com"
         *
         * // given URL http://user:password@example.com:8080/#/some/path?foo=bar&baz=xoxo
         * host = $location.host();
         * // => "example.com"
         * host = location.host;
         * // => "example.com:8080"
         * ```
         */
        $locationShim.prototype.host = function () { return this.$$host; };
        /**
         * Retrieves the port of the current URL.
         *
         * ```js
         * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo
         * let port = $location.port();
         * // => 80
         * ```
         */
        $locationShim.prototype.port = function () { return this.$$port; };
        $locationShim.prototype.path = function (path) {
            if (typeof path === 'undefined') {
                return this.$$path;
            }
            // null path converts to empty string. Prepend with "/" if needed.
            path = path !== null ? path.toString() : '';
            path = path.charAt(0) === '/' ? path : '/' + path;
            this.$$path = path;
            this.composeUrls();
            return this;
        };
        $locationShim.prototype.search = function (search, paramValue) {
            switch (arguments.length) {
                case 0:
                    return this.$$search;
                case 1:
                    if (typeof search === 'string' || typeof search === 'number') {
                        this.$$search = this.urlCodec.decodeSearch(search.toString());
                    }
                    else if (typeof search === 'object' && search !== null) {
                        // Copy the object so it's never mutated
                        search = __assign({}, search);
                        // remove object undefined or null properties
                        for (var key in search) {
                            if (search[key] == null)
                                delete search[key];
                        }
                        this.$$search = search;
                    }
                    else {
                        throw new Error('LocationProvider.search(): First argument must be a string or an object.');
                    }
                    break;
                default:
                    if (typeof search === 'string') {
                        var currentSearch = this.search();
                        if (typeof paramValue === 'undefined' || paramValue === null) {
                            delete currentSearch[search];
                            return this.search(currentSearch);
                        }
                        else {
                            currentSearch[search] = paramValue;
                            return this.search(currentSearch);
                        }
                    }
            }
            this.composeUrls();
            return this;
        };
        $locationShim.prototype.hash = function (hash) {
            if (typeof hash === 'undefined') {
                return this.$$hash;
            }
            this.$$hash = hash !== null ? hash.toString() : '';
            this.composeUrls();
            return this;
        };
        /**
         * Changes to `$location` during the current `$digest` will replace the current
         * history record, instead of adding a new one.
         */
        $locationShim.prototype.replace = function () {
            this.$$replace = true;
            return this;
        };
        $locationShim.prototype.state = function (state) {
            if (typeof state === 'undefined') {
                return this.$$state;
            }
            this.$$state = state;
            return this;
        };
        return $locationShim;
    }());
    /**
     * The factory function used to create an instance of the `$locationShim` in Angular,
     * and provides an API-compatiable `$locationProvider` for AngularJS.
     *
     * @publicApi
     */
    var $locationShimProvider = /** @class */ (function () {
        function $locationShimProvider(ngUpgrade, location, platformLocation, urlCodec, locationStrategy) {
            this.ngUpgrade = ngUpgrade;
            this.location = location;
            this.platformLocation = platformLocation;
            this.urlCodec = urlCodec;
            this.locationStrategy = locationStrategy;
        }
        /**
         * Factory method that returns an instance of the $locationShim
         */
        $locationShimProvider.prototype.$get = function () {
            return new $locationShim(this.ngUpgrade.$injector, this.location, this.platformLocation, this.urlCodec, this.locationStrategy);
        };
        /**
         * Stub method used to keep API compatible with AngularJS. This setting is configured through
         * the LocationUpgradeModule's `config` method in your Angular app.
         */
        $locationShimProvider.prototype.hashPrefix = function (prefix) {
            throw new Error('Configure LocationUpgrade through LocationUpgradeModule.config method.');
        };
        /**
         * Stub method used to keep API compatible with AngularJS. This setting is configured through
         * the LocationUpgradeModule's `config` method in your Angular app.
         */
        $locationShimProvider.prototype.html5Mode = function (mode) {
            throw new Error('Configure LocationUpgrade through LocationUpgradeModule.config method.');
        };
        return $locationShimProvider;
    }());

    /**
     * @license
     * Copyright Google Inc. 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
     */
    /**
     * A codec for encoding and decoding URL parts.
     *
     * @publicApi
     **/
    var UrlCodec = /** @class */ (function () {
        function UrlCodec() {
        }
        return UrlCodec;
    }());
    /**
     * A `UrlCodec` that uses logic from AngularJS to serialize and parse URLs
     * and URL parameters.
     *
     * @publicApi
     */
    var AngularJSUrlCodec = /** @class */ (function () {
        function AngularJSUrlCodec() {
        }
        // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L15
        AngularJSUrlCodec.prototype.encodePath = function (path) {
            var segments = path.split('/');
            var i = segments.length;
            while (i--) {
                // decode forward slashes to prevent them from being double encoded
                segments[i] = encodeUriSegment(segments[i].replace(/%2F/g, '/'));
            }
            path = segments.join('/');
            return _stripIndexHtml((path && path[0] !== '/' && '/' || '') + path);
        };
        // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L42
        AngularJSUrlCodec.prototype.encodeSearch = function (search) {
            if (typeof search === 'string') {
                search = parseKeyValue(search);
            }
            search = toKeyValue(search);
            return search ? '?' + search : '';
        };
        // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L44
        AngularJSUrlCodec.prototype.encodeHash = function (hash) {
            hash = encodeUriSegment(hash);
            return hash ? '#' + hash : '';
        };
        // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L27
        AngularJSUrlCodec.prototype.decodePath = function (path, html5Mode) {
            if (html5Mode === void 0) { html5Mode = true; }
            var segments = path.split('/');
            var i = segments.length;
            while (i--) {
                segments[i] = decodeURIComponent(segments[i]);
                if (html5Mode) {
                    // encode forward slashes to prevent them from being mistaken for path separators
                    segments[i] = segments[i].replace(/\//g, '%2F');
                }
            }
            return segments.join('/');
        };
        // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L72
        AngularJSUrlCodec.prototype.decodeSearch = function (search) { return parseKeyValue(search); };
        // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L73
        AngularJSUrlCodec.prototype.decodeHash = function (hash) {
            hash = decodeURIComponent(hash);
            return hash[0] === '#' ? hash.substring(1) : hash;
        };
        AngularJSUrlCodec.prototype.normalize = function (pathOrHref, search, hash, baseUrl) {
            if (arguments.length === 1) {
                var parsed = this.parse(pathOrHref, baseUrl);
                if (typeof parsed === 'string') {
                    return parsed;
                }
                var serverUrl = parsed.protocol + "://" + parsed.hostname + (parsed.port ? ':' + parsed.port : '');
                return this.normalize(this.decodePath(parsed.pathname), this.decodeSearch(parsed.search), this.decodeHash(parsed.hash), serverUrl);
            }
            else {
                var encPath = this.encodePath(pathOrHref);
                var encSearch = search && this.encodeSearch(search) || '';
                var encHash = hash && this.encodeHash(hash) || '';
                var joinedPath = (baseUrl || '') + encPath;
                if (!joinedPath.length || joinedPath[0] !== '/') {
                    joinedPath = '/' + joinedPath;
                }
                return joinedPath + encSearch + encHash;
            }
        };
        AngularJSUrlCodec.prototype.areEqual = function (valA, valB) { return this.normalize(valA) === this.normalize(valB); };
        // https://github.com/angular/angular.js/blob/864c7f0/src/ng/urlUtils.js#L60
        AngularJSUrlCodec.prototype.parse = function (url, base) {
            try {
                // Safari 12 throws an error when the URL constructor is called with an undefined base.
                var parsed = !base ? new URL(url) : new URL(url, base);
                return {
                    href: parsed.href,
                    protocol: parsed.protocol ? parsed.protocol.replace(/:$/, '') : '',
                    host: parsed.host,
                    search: parsed.search ? parsed.search.replace(/^\?/, '') : '',
                    hash: parsed.hash ? parsed.hash.replace(/^#/, '') : '',
                    hostname: parsed.hostname,
                    port: parsed.port,
                    pathname: (parsed.pathname.charAt(0) === '/') ? parsed.pathname : '/' + parsed.pathname
                };
            }
            catch (e) {
                throw new Error("Invalid URL (" + url + ") with base (" + base + ")");
            }
        };
        return AngularJSUrlCodec;
    }());
    function _stripIndexHtml(url) {
        return url.replace(/\/index.html$/, '');
    }
    /**
     * Tries to decode the URI component without throwing an exception.
     *
     * @private
     * @param str value potential URI component to check.
     * @returns the decoded URI if it can be decoded or else `undefined`.
     */
    function tryDecodeURIComponent(value) {
        try {
            return decodeURIComponent(value);
        }
        catch (e) {
            // Ignore any invalid uri component.
            return undefined;
        }
    }
    /**
     * Parses an escaped url query string into key-value pairs. Logic taken from
     * https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1382
     */
    function parseKeyValue(keyValue) {
        var obj = {};
        (keyValue || '').split('&').forEach(function (keyValue) {
            var splitPoint, key, val;
            if (keyValue) {
                key = keyValue = keyValue.replace(/\+/g, '%20');
                splitPoint = keyValue.indexOf('=');
                if (splitPoint !== -1) {
                    key = keyValue.substring(0, splitPoint);
                    val = keyValue.substring(splitPoint + 1);
                }
                key = tryDecodeURIComponent(key);
                if (typeof key !== 'undefined') {
                    val = typeof val !== 'undefined' ? tryDecodeURIComponent(val) : true;
                    if (!obj.hasOwnProperty(key)) {
                        obj[key] = val;
                    }
                    else if (Array.isArray(obj[key])) {
                        obj[key].push(val);
                    }
                    else {
                        obj[key] = [obj[key], val];
                    }
                }
            }
        });
        return obj;
    }
    /**
     * Serializes into key-value pairs. Logic taken from
     * https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1409
     */
    function toKeyValue(obj) {
        var parts = [];
        var _loop_1 = function (key) {
            var value = obj[key];
            if (Array.isArray(value)) {
                value.forEach(function (arrayValue) {
                    parts.push(encodeUriQuery(key, true) +
                        (arrayValue === true ? '' : '=' + encodeUriQuery(arrayValue, true)));
                });
            }
            else {
                parts.push(encodeUriQuery(key, true) +
                    (value === true ? '' : '=' + encodeUriQuery(value, true)));
            }
        };
        for (var key in obj) {
            _loop_1(key);
        }
        return parts.length ? parts.join('&') : '';
    }
    /**
     * We need our custom method because encodeURIComponent is too aggressive and doesn't follow
     * http://www.ietf.org/rfc/rfc3986.txt with regards to the character set (pchar) allowed in path
     * segments:
     *    segment       = *pchar
     *    pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"
     *    pct-encoded   = "%" HEXDIG HEXDIG
     *    unreserved    = ALPHA / DIGIT / "-" / "." / "_" / "~"
     *    sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
     *                     / "*" / "+" / "," / ";" / "="
     *
     * Logic from https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1437
     */
    function encodeUriSegment(val) {
        return encodeUriQuery(val, true)
            .replace(/%26/gi, '&')
            .replace(/%3D/gi, '=')
            .replace(/%2B/gi, '+');
    }
    /**
     * This method is intended for encoding *key* or *value* parts of query component. We need a custom
     * method because encodeURIComponent is too aggressive and encodes stuff that doesn't have to be
     * encoded per http://tools.ietf.org/html/rfc3986:
     *    query         = *( pchar / "/" / "?" )
     *    pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"
     *    unreserved    = ALPHA / DIGIT / "-" / "." / "_" / "~"
     *    pct-encoded   = "%" HEXDIG HEXDIG
     *    sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
     *                     / "*" / "+" / "," / ";" / "="
     *
     * Logic from https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1456
     */
    function encodeUriQuery(val, pctEncodeSpaces) {
        if (pctEncodeSpaces === void 0) { pctEncodeSpaces = false; }
        return encodeURIComponent(val)
            .replace(/%40/gi, '@')
            .replace(/%3A/gi, ':')
            .replace(/%24/g, '$')
            .replace(/%2C/gi, ',')
            .replace(/%3B/gi, ';')
            .replace(/%20/g, (pctEncodeSpaces ? '%20' : '+'));
    }

    /**
     * @license
     * Copyright Google Inc. 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
     */
    /**
     * A provider token used to configure the location upgrade module.
     *
     * @publicApi
     */
    var LOCATION_UPGRADE_CONFIGURATION = new core.InjectionToken('LOCATION_UPGRADE_CONFIGURATION');
    var APP_BASE_HREF_RESOLVED = new core.InjectionToken('APP_BASE_HREF_RESOLVED');
    /**
     * `NgModule` used for providing and configuring Angular's Unified Location Service for upgrading.
     *
     * @see [Using the Unified Angular Location Service](guide/upgrade#using-the-unified-angular-location-service)
     *
     * @publicApi
     */
    var LocationUpgradeModule = /** @class */ (function () {
        function LocationUpgradeModule() {
        }
        LocationUpgradeModule_1 = LocationUpgradeModule;
        LocationUpgradeModule.config = function (config) {
            return {
                ngModule: LocationUpgradeModule_1,
                providers: [
                    common.Location,
                    {
                        provide: $locationShim,
                        useFactory: provide$location,
                        deps: [_static.UpgradeModule, common.Location, common.PlatformLocation, UrlCodec, common.LocationStrategy]
                    },
                    { provide: LOCATION_UPGRADE_CONFIGURATION, useValue: config ? config : {} },
                    { provide: UrlCodec, useFactory: provideUrlCodec, deps: [LOCATION_UPGRADE_CONFIGURATION] },
                    {
                        provide: APP_BASE_HREF_RESOLVED,
                        useFactory: provideAppBaseHref,
                        deps: [LOCATION_UPGRADE_CONFIGURATION, [new core.Inject(common.APP_BASE_HREF), new core.Optional()]]
                    },
                    {
                        provide: common.LocationStrategy,
                        useFactory: provideLocationStrategy,
                        deps: [
                            common.PlatformLocation,
                            APP_BASE_HREF_RESOLVED,
                            LOCATION_UPGRADE_CONFIGURATION,
                        ]
                    },
                ],
            };
        };
        var LocationUpgradeModule_1;
        LocationUpgradeModule = LocationUpgradeModule_1 = __decorate([
            core.NgModule({ imports: [common.CommonModule] })
        ], LocationUpgradeModule);
        return LocationUpgradeModule;
    }());
    function provideAppBaseHref(config, appBaseHref) {
        if (config && config.appBaseHref != null) {
            return config.appBaseHref;
        }
        else if (appBaseHref != null) {
            return appBaseHref;
        }
        return '';
    }
    function provideUrlCodec(config) {
        var codec = config && config.urlCodec || AngularJSUrlCodec;
        return new codec();
    }
    function provideLocationStrategy(platformLocation, baseHref, options) {
        if (options === void 0) { options = {}; }
        return options.useHash ? new common.HashLocationStrategy(platformLocation, baseHref) :
            new common.PathLocationStrategy(platformLocation, baseHref);
    }
    function provide$location(ngUpgrade, location, platformLocation, urlCodec, locationStrategy) {
        var $locationProvider = new $locationShimProvider(ngUpgrade, location, platformLocation, urlCodec, locationStrategy);
        return $locationProvider.$get();
    }

    /**
     * @license
     * Copyright Google Inc. 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
     */

    /**
     * @license
     * Copyright Google Inc. 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 file only reexports content of the `src` folder. Keep it that way.

    /**
     * @license
     * Copyright Google Inc. 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
     */

    /**
     * Generated bundle index. Do not edit.
     */

    exports.$locationShim = $locationShim;
    exports.$locationShimProvider = $locationShimProvider;
    exports.AngularJSUrlCodec = AngularJSUrlCodec;
    exports.LOCATION_UPGRADE_CONFIGURATION = LOCATION_UPGRADE_CONFIGURATION;
    exports.LocationUpgradeModule = LocationUpgradeModule;
    exports.UrlCodec = UrlCodec;
    exports.ɵangular_packages_common_upgrade_upgrade_a = provideAppBaseHref;
    exports.ɵangular_packages_common_upgrade_upgrade_b = provideUrlCodec;
    exports.ɵangular_packages_common_upgrade_upgrade_c = provideLocationStrategy;
    exports.ɵangular_packages_common_upgrade_upgrade_d = provide$location;

    Object.defineProperty(exports, '__esModule', { value: true });

})));
//# sourceMappingURL=common-upgrade.umd.js.map
