/**
 * @license Angular v3.4.5
 * (c) 2010-2016 Google, Inc. https://angular.io/
 * License: MIT
 */(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/router'), require('@angular/upgrade/static')) :
    typeof define === 'function' && define.amd ? define(['exports', '@angular/core', '@angular/router', '@angular/upgrade/static'], factory) :
    (factory((global.ng = global.ng || {}, global.ng.router = global.ng.router || {}, global.ng.router.upgrade = global.ng.router.upgrade || {}),global.ng.core,global.ng.router,global.ng.upgrade.static));
}(this, function (exports,_angular_core,_angular_router,_angular_upgrade_static) { 'use strict';

    /**
     * @whatItDoes Creates an initializer that in addition to setting up the Angular 2
     * router sets up the ngRoute integration.
     *
     * @howToUse
     *
     * ```
     * @NgModule({
     *  imports: [
     *   RouterModule.forRoot(SOME_ROUTES),
     *   UpgradeModule
     * ],
     * providers: [
     *   RouterUpgradeInitializer
     * ]
     * })
     * export class AppModule {
     *   ngDoBootstrap() {}
     * }
     * ```
     *
     * @experimental
     */
    var RouterUpgradeInitializer = {
        provide: _angular_router.ROUTER_INITIALIZER,
        useFactory: initialRouterNavigation,
        deps: [_angular_upgrade_static.UpgradeModule, _angular_core.ApplicationRef, _angular_router.RouterPreloader, _angular_router.ROUTER_CONFIGURATION]
    };
    /**
     * @internal
     */
    function initialRouterNavigation(ngUpgrade, ref, preloader, opts) {
        return function () {
            if (!ngUpgrade.$injector) {
                throw new Error("\n        RouterUpgradeInitializer can be used only after UpgradeModule.bootstrap has been called.\n        Remove RouterUpgradeInitializer and call setUpLocationSync after UpgradeModule.bootstrap.\n      ");
            }
            var router = ngUpgrade.injector.get(_angular_router.Router);
            var ref = ngUpgrade.injector.get(_angular_core.ApplicationRef);
            router.resetRootComponentType(ref.componentTypes[0]);
            preloader.setUpPreloading();
            if (opts.initialNavigation === false) {
                router.setUpLocationChangeListener();
            }
            else {
                router.initialNavigation();
            }
            setUpLocationSync(ngUpgrade);
        };
    }
    /**
     * @whatItDoes Sets up a location synchronization.
     *
     * History.pushState does not fire onPopState, so the angular2 location
     * doesn't detect it. The workaround is to attach a location change listener
     *
     * @experimental
     */
    function setUpLocationSync(ngUpgrade) {
        var router = ngUpgrade.injector.get(_angular_router.Router);
        var url = document.createElement('a');
        ngUpgrade.$injector.get('$rootScope')
            .$on('$locationChangeStart', function (_, next, __) {
            url.href = next;
            router.navigateByUrl(url.pathname);
        });
    }

    exports.RouterUpgradeInitializer = RouterUpgradeInitializer;
    exports.initialRouterNavigation = initialRouterNavigation;
    exports.setUpLocationSync = setUpLocationSync;

}));