[elm-discuss] Re: JS interop and the DOM

[Brian Cardiff]

Hi Vojtech,

You will need to use ports ( 
https://guide.elm-lang.org/interop/javascript.html ). A Cmd is sent to JS 
land after the view function is called.

A minimal sample of that can be found 
in https://gist.github.com/bcardiff/abde5f7c08da50136de05a3e879ebc08 

A (string) selector over a cmd is sent and in JS select the node to perform 
the desired operation.

Regards,

On Tuesday, October 4, 2016 at 3:23:05 AM UTC-3, Vojtěch Král wrote:
>
> Hi!
>   This might be a newbie question but I wasn't able to find anything by 
> googling around.
> I'd like to use a 3rd party JS library (Cystoscape) that needs to 
> initialize on a DOM HTML element where it renders stuff.
> However the since the DOM is generated by Elm, I don't know at which point 
> to initialize the library.
> I'd need some kind of a "DOM ready" event from Elm.
> Is there such a thing?
>
> Thanks,
> Vojtech
>
>

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[elm-discuss] Re: Sending a message from spawned process

[Brian Cardiff]

On Wednesday, September 21, 2016 at 2:09:30 AM UTC-3, Brian Cardiff wrote:
>
> Hi,
>
> In elm 0.17.1, is it possible to send a message to the app from a spawned 
> process? If so, How? :-) 
>
> Some days ago I failed to do that. I wanted to implement a debounce 
> module. The rough idea was that from a message I want to debounce a spawned 
> process would start. First it will do a sleep and then it should message 
> the app.
>
> Spawning the process is required so in the next message of the user, the 
> previous "setTimeout" process can be killed. The Process.Id is needed.
>
> I was forced to take a different approach. Basically, filtering the 
> outdated "setTimeouts". But I would really like to change that.
>
> In case you want to see more source, the package is: 
> http://package.elm-lang.org/packages/bcardiff/elm-debounce/latest/Debounce . 
> And the spawn branch is as far as I got: spawning the process, getting the 
> Id, but unable to receive a message after the sleep.
>
> Thanks in advance,
>

For sure any feedback is welcome. If other approach should/could have been 
taken to debounce events I am all ears, well ... eyes.
 

> -- 
> Brian J. Cardiff - Manas Technology Solutions
> [ar.phone] 4796.0232 #BCR(227)
> [us.phone] 312.612.1050  #BCR(227)
> [email] bcard...@manas.com.ar
> [web] www.manas.com.ar
> [weblog] http://weblogs.manas.com.ar/bcardiff/
>

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