On Tue, Aug 19, 2014 at 7:24 AM, Jonathan Matthew Beck <dnc....@gmail.com>
wrote:
> Thanks. I tested the app yesterday, removed all elements from pages
> (partials/directives) and just navigated from page to page.
>
> The memory the app uses increases steadily until the eventually it
> crashes. I am trying to figure out what is not getting released.
>
I have seen other people report issues with memory usage, but I haven't
experienced that yet so I don't know what to recommend.
The resolve: { init:
> is basically meaningless, it could be:
> resolve: { fooBar:
>
> Right?
>
The name "init" is something that can be injected into the controller for
that route. That is how the controller gets the data that is not available
until all the promises returned by the resolve functions have been
resolved. So if you change "init" to "fooBar" in the resolve then you have
to make the same change in the controller where it is injected.
> And is creating an anonymous "literal JavaScript array that contains a
> string and a function. It is one way to make an injectable function save
> for minimizing." mean that it isn't garbage collected?
>
I meant to say "safe" instead of "save". That is not related to garbage
collection.
> On Mon, Aug 18, 2014 at 4:09 PM, Mark Volkmann <r.mark.volkm...@gmail.com>
> wrote:
>
>> On Mon, Aug 18, 2014 at 2:53 PM, Jonathan Matthew Beck <dnc....@gmail.com
>> > wrote:
>>
>>> 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 an un-named Angular service (?)
>>> and passing in the dataService.
>>>
>>> Questions:
>>>
>>> 1) What is the above code doing?
>>>
>> It is defining a route. The resolve part basically says "Don't render
>> this route until all this data is available." The most common thing that
>> resolve functions do is retrieve data from REST services. Maybe
>> dataService.init does that. If the functions in a resolve return promises,
>> Angular waits for all of those be resolved before it renders the view for
>> that route.
>>
>>> 2) Does it create a new instance of an un-named something (service?)
>>> every time the user is routed?
>>>
>> It creates a new instance of HomeController every time the user goes to
>> that route.
>>
>>> 3) The square brackets are confusing me, are we over-writing the
>>> Controller’s init() function every time?
>>>
>>
>> The square brackets are just creating a literal JavaScript array that
>> contains a string and a function. It is one way to make an injectable
>> function save for minimizing. That won't mean much if you are just getting
>> started with AngularJS, but later it will make sense.
>>
>> --
>> R. Mark Volkmann
>> Object Computing, Inc.
>>
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Object Computing, Inc.
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