UI Router History Service

router-history.ts

import IStateService = angular.ui.IStateService;
import IRootScopeService = angular.IRootScopeService;
import IState = angular.ui.IState;

class RouterHistory
{
    private history : IHistoryEntry[] = [];

    public add(stateName : string, stateParams : any) : void
    {
        this.history.unshift({
            state: stateName,
            params: stateParams
        });

        if (this.history.length > 10) {
            this.history.splice(10);
        }
    }

    public getPrevious() : IHistoryEntry
    {
        if (this.history.length === 0) {
            return null;
        }

        return this.history[0];
    }
}

interface IHistoryEntry
{
    state: string;
    params: any;
}

angular.module("bobin.router", [])
    .service("RouterHistory", RouterHistory)
    .run(["RouterHistory", "$state", "$rootScope", (RouterHistory : RouterHistory, $state : IStateService, $rootScope : IRootScopeService) => {
        $rootScope.$on("$stateChangeSuccess", (event : any, to : IState, toParams : any, from : IState, fromParams : any) => {
            if (!from.abstract) {
                RouterHistory.add(from.name, fromParams);
            }
        });
    }]);