I came into a project and found things like this in the routing:

                .when('/home', { 

                    templateUrl: 'partials/home.html', 

                    controller: 'HomeController as vm', 

                    resolve: { 

                        init: ['dataService', function (dataService) { 

                            return dataService.init(); 

                        }] 

                    } 

                })

I looked for documentation on the use of resolve like that.  As far as I 
can tell, it's creating an object and then passing, or overriding, the 
objects init function.  Then it's creating a "dataService".   

Questions:

1) What is the above code doing?

2) Does it create a new instance of an un-named something (service?) every 
time the user is routed?

3) The square brackets are confusing me, are we over-writing the 
Controller’s init() function every time? 

Thanks!

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