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elmlang
general
Yeah I was thinking there might be something that you can do with elm/bytes
2019-03-03T11:13:21.344200
Wendell
elmlang
general
In theory there is, and if you write a jpeg or png decoder/encoder I’ll definitely use it, but it’s a big job.
2019-03-03T11:14:02.345200
Cammy
elmlang
general
Unless you’re just looking to glitch a random pixel, in which case you probably could do in a day with elm/bytes.
2019-03-03T11:14:35.346300
Cammy
elmlang
general
Nah I’m thinking about new ideas for packages and wanted to make sure I am not duplicating work. Now I’m going to read the png/jpeg spec to see how big a job it really is. I believe ppm is an easy format to parse but obviously it is much less useful than png/jpg. I might start there though just to see what the library would do before deciding to invest in decoding compressed images :slightly_smiling_face:.
2019-03-03T11:18:46.346600
Wendell
elmlang
general
I think it’s great. I’ve been thinking about JPEG for a while but just don’t have the time.
2019-03-03T11:19:59.347600
Cammy
elmlang
general
Yeah it seems like it could be a real monster of a project.
2019-03-03T11:20:15.347800
Wendell
elmlang
general
We’ll see what my initial research yields
2019-03-03T11:20:29.348000
Wendell
elmlang
general
It would be awesome.
2019-03-03T11:21:44.348400
Cammy
elmlang
general
If you do it, I’m sure you’ll have no problem with dct, but if you do, hit me up, I’ve done it before.
2019-03-03T11:25:47.349200
Cammy
elmlang
general
Thanks, I’ll keep that in mind
2019-03-03T11:26:23.349400
Wendell
elmlang
general
mini player is constructed on mouse over and is re used when mouse moves to another channel so there is only 2 HLS players max in the application (mini/preview player and main player) there is extra one for playing ads so that stream is pre loaded by the time ad is ended so that's 3 players already at some point there was an idea of having pined preview like picture in picture and to allow up to 4-5 pined previews or there may be game with sound effects as separate mp3 files and you may need to play arbitrary number of sound tracks at same time so of course there are reasons for not playing 40 videos at same time but that's up to application developer and there should not be limitation from language/library API
2019-03-03T11:32:53.349700
Cleveland
elmlang
general
Sometimes I make things more complicated than they need to be :slightly_smiling_face:
2019-03-03T11:41:12.349900
Susanna
elmlang
general
You are not alone in it :smile:
2019-03-03T11:59:37.350100
Lynne
elmlang
general
I’ve been following: <https://github.com/rtfeldman/elm-spa-example> which uses `Html.map`. However in the docs it says to use `Html.map` sparingly. Is this spa example still a good one?
2019-03-03T13:57:55.351200
Tamiko
elmlang
general
Yes, it shows when using `Html.map` is ok. Don't try to use it more often without good reason.
2019-03-03T14:06:14.352000
Lynne
elmlang
general
<@Tamiko> Richard touches on that very question in a recent talk, with a lovely analogy. <https://www.youtube.com/watch?v=RN2_NchjrJQ&amp;t=32m43s>
2019-03-03T16:31:26.354800
Deb
elmlang
general
No problem! I used it heavily on my last application that was a wizard driven set of questions.
2019-03-03T19:36:43.355100
Edie
elmlang
general
Hi! happy to be here and working with elm
2019-03-03T20:40:39.356000
Loriann
elmlang
general
Is there any case where a 200 response from a server would trigger an Err message from elm in a branch?
2019-03-03T20:42:43.357300
Loriann
elmlang
general
This is my response body
2019-03-03T20:43:10.357600
Loriann
elmlang
general
None
2019-03-03T20:43:33.357700
Loriann
elmlang
general
header status is 200
2019-03-03T20:44:03.358200
Loriann
elmlang
general
Thank you in advance
2019-03-03T20:44:27.358800
Loriann
elmlang
general
<@Loriann> sure, you'll get an error if the decoder fails
2019-03-03T20:44:53.359500
Earlean
elmlang
general
<@Earlean> Thank you! that makes sense, I overlooked the decoder. I was thinking a level higher
2019-03-03T21:13:53.360500
Loriann
elmlang
general
The error would have included this information including the reason the decoder failed
2019-03-03T21:14:49.361400
Earlean
elmlang
general
Thank you, saw the bad body error in the elm debugger. <@Earlean>, i appreciate your help
2019-03-03T21:17:21.362200
Loriann
elmlang
general
Alright, I finally figured out what the issue was, but I'm not sure how to solve it. it looks like the issue is with "Request header field content-type is not allowed by Access-Control-Allow-Headers" when initiating a webhook via a post request like so:
2019-03-04T01:43:12.363600
Loriann
elmlang
general
None
2019-03-04T01:44:43.363700
Loriann
elmlang
general
<@Loriann> if you look at the network tab in developer tools you'll be able to see an 'options' request to '<http://hooks.zapier.com|hooks.zapier.com>', have a look at that `Access-Control-Allow-Headers` header in the response to that request
2019-03-04T01:48:57.365500
Earlean
elmlang
general
For security reasons cross origin requests are only allowed by the browser if the cross origin server gives permission by including CORS headers
2019-03-04T01:50:17.366600
Earlean
elmlang
general
<https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS> gives a good introduction to CORS
2019-03-04T01:50:54.366900
Earlean
elmlang
general
<http://hooks.zapier.com|hooks.zapier.com> may not allow cross origin requests in which case you won't be able to make that request from within a browser
2019-03-04T01:51:50.367900
Earlean
elmlang
general
<@Earlean> Thank you, I think I understand what you mean. My understanding of HTTP requests is growing.
2019-03-04T01:52:47.368700
Loriann
elmlang
general
It looks like the request that I am sending from the machine is setting a content type even though I thought I was able to override headers from the Http.request function. Any good resources on Elm and CORS? It's been slightly challenging to get answers . on that from the docs. Thanks in advance.
2019-03-04T01:54:20.370000
Loriann
elmlang
general
It's not an Elm specific issues, CORS handled and enforced by the browser
2019-03-04T01:57:52.372200
Earlean
elmlang
general
Ahh, I see what you mean, but elm is creating the request. Elm is generating a request of Content-Type: application/json
2019-03-04T01:59:44.373500
Loriann
elmlang
general
yep, you're sending json so it needs a content type of json
2019-03-04T02:00:03.374200
Earlean
elmlang
general
from the article you shared
2019-03-04T02:00:09.374300
Loriann
elmlang
general
hey <@Lea>
2019-03-04T02:00:17.374400
Floy
elmlang
general
thanks for reply, haven't noticed the reply
2019-03-04T02:00:25.374600
Floy
elmlang
general
None
2019-03-04T02:00:27.374800
Loriann
elmlang
general
watched that, but I guess need to watch it again in context of ,y problem
2019-03-04T02:00:41.375200
Floy
elmlang
general
Do you know how I can set this manually?
2019-03-04T02:00:57.375800
Loriann
elmlang
general
can you show us the full error message you're seeing on the web dev console?
2019-03-04T02:01:35.377100
Earlean
elmlang
general
setting the content type to something other than json and trying to send json will just have the server reject the request because it's expecting json
2019-03-04T02:03:14.379700
Earlean
elmlang
general
hey, is is possible to model a problem where I have a phantom type describing the filter ``` type alias Filter a msg = {label: String, selected: List a, all: List a, selectMsg: a -&gt; msg} type alias Filters = List Filter ? ? ``` problem lies in storing all filters in a list. I mean I can have a lot of filters carrying different sort of data (and I'd love to avoid casting to string back and forth) I suppose different msg will not be problematic any ideas? Thx for help in advanced :+1:
2019-03-04T02:03:23.380000
Floy
elmlang
general
maybe a little of context
2019-03-04T02:05:04.380100
Floy
elmlang
general
I need this to be able to produce 3 different functions that will render that data into 2 different views as well as apply the filtering based on stored filters
2019-03-04T02:05:46.380300
Floy
elmlang
general
For sure
2019-03-04T02:06:11.380500
Loriann
elmlang
general
based loosely on sortable-table, no data of filters stored inside the model (parent or own), everything built up in view
2019-03-04T02:06:22.380700
Floy
elmlang
general
This is the request I am sending from Postman in JS to test
2019-03-04T02:06:37.380900
Loriann
elmlang
general
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xhr.setRequestHeader("cache-control", "no-cache");
2019-03-04T02:06:38.381100
Loriann
elmlang
general
from origin '<http://localhost:4000>' has been blocked by CORS policy: Request header field content-type is not allowed by Access-Control-Allow-Headers in preflight response.
2019-03-04T02:08:18.381300
Loriann
elmlang
general
Yep, looks at the 'preflight' request, it's an 'options' request to the same url
2019-03-04T02:09:24.381600
Earlean
elmlang
general
Hmmm, maybe expectJson is setting that in the request header
2019-03-04T02:10:40.381800
Loriann
elmlang
general
It is setting the content-type header because you need it set to be sending json
2019-03-04T02:12:27.382000
Earlean
elmlang
general
If you looks at the headers of the preflight request you'll be able to see what content-types this server allows
2019-03-04T02:13:29.382200
Earlean
elmlang
general
It's very possible that what you want to do is impossible, I don't know if <http://hooks.zapier.com|hooks.zapier.com> even allows cross origin requests
2019-03-04T02:14:23.382400
Earlean
elmlang
general
I see what you mean. The proper request type when sending this is request is application/x-www-form-urlencoded and it works through postman and zapier when sent manually, but I'm not sure how to set this that way with elm.
2019-03-04T02:14:49.382600
Loriann
elmlang
general
This happens when trying to send data to the Zapier webhooks from inside a web browser and altering the Content-Type header during the process. Because of Cross Browser Security restrictions, your browser will reject these requests. To combat this, do not set a custom Content-Type header in the request.
2019-03-04T02:16:13.382800
Loriann
elmlang
general
<https://zapier.com/help/common-problems-webhooks/>
2019-03-04T02:17:11.383000
Loriann
elmlang
general
Thank you for your help, I will hunt through the source to see where that is getting set. Have a good night ( im so sleepy )
2019-03-04T02:18:20.383300
Loriann
elmlang
general
Ah.....so zapiers API is just badly implemented.
2019-03-04T02:26:26.383500
Earlean
elmlang
general
You could try using <https://package.elm-lang.org/packages/elm/http/latest/Http#stringBody> with the first parameter as "text/plain"
2019-03-04T02:28:55.383700
Earlean
elmlang
general
yeah... the API has some flaws, but it sure talks to alot
2019-03-04T02:40:24.383900
Loriann
elmlang
general
I found the answer with your help after some digging:
2019-03-04T02:40:42.384100
Loriann
elmlang
general
<https://github.com/elm/http/blob/master/src/Http.elm>
2019-03-04T02:40:45.384300
Loriann
elmlang
general
{-| Put some JSON value in the body of your `Request`. This will automatically add the `Content-Type: application/json` header. -}
2019-03-04T02:41:13.384500
Loriann
elmlang
general
At least I know, thank you for your timo
2019-03-04T02:41:44.384700
Loriann
elmlang
general
time
2019-03-04T02:41:46.384900
Loriann
elmlang
general
using custom elements for this sounds terrible though :grimacing: I think they should only be at the edge of your system, not integrated inte core stuff like that
2019-03-04T03:07:50.385300
Nana
elmlang
general
I agree that having the view determine what data you fetch is a nice thing though, that's how our Vue app works
2019-03-04T03:08:40.385500
Nana
elmlang
general
<@Tamra> saw someone had actually made an example of that, seems like a bit of an extreme solution though :stuck_out_tongue:
2019-03-04T03:10:54.385700
Nana
elmlang
general
ok, I guess I managed to figure it out
2019-03-04T04:29:32.386000
Floy
elmlang
general
the trick was to do some transformation for the sake of data structure of the filter
2019-03-04T04:30:46.386200
Floy
elmlang
general
hi, guys, how it is possible to send object through port?
2019-03-04T04:35:30.387000
Eleanor
elmlang
general
<@Eleanor> I think you have to use a JSON encoder/decoder
2019-03-04T04:41:54.387500
Nana
elmlang
general
thanks
2019-03-04T04:42:18.387800
Eleanor
elmlang
general
Anybody here with experience in `elm-style-animation`? I would like to know if there’s an obvious way to send a message when the animation is finished. I believe it is something that `Animation.Messenger` can do, but how ?
2019-03-04T04:57:34.389800
Hoa
elmlang
general
Uhm. Looks like <https://github.com/mdgriffith/elm-style-animation/blob/master/examples/SimpleSendMsg.elm#L53> you can chain animation and the send msg.
2019-03-04T04:59:47.390600
Hoa
elmlang
general
So I have to use `Animation.queue`
2019-03-04T05:00:53.391200
Hoa
elmlang
general
Or `Animation.interrupt`
2019-03-04T05:03:01.391400
Cornell
elmlang
general
OK, thank you Matthew!
2019-03-04T05:04:43.391900
Hoa
elmlang
general
No problem :smile:
2019-03-04T05:04:55.392100
Cornell
elmlang
general
hi, is there some naming convention for `Msg` when it comes to making HTTP requests? Example `fetch/update` some kind of "settings". ``` FetchSettings - initiate request ReceiveSettings(...) - handle response from above ^ UpdateSettings(...) - initiate request to update settings ChangeSettings(...) - handle response from above ^ ``` I wish naming where clearer.
2019-03-04T07:10:50.398400
Tanesha
elmlang
general
I always tend to name my `Msg`s after the events that happened not the other way around. Say you trigger fetching settings from a button click. Then I would name it something like `RetrieveButtonClicked`. This is also much useful when you are handling the responses. Your second `Msg` can be then called `RetrievedSettings`.
2019-03-04T07:30:57.401100
Leonore
elmlang
general
Is anybody here using elm with haskell servant?
2019-03-04T08:22:31.402200
Marlys
elmlang
general
Can we determine which `Html.Attribute` *values* are passed to a function? I would like determine if something is `disabled` without adding additional parameters (in order to keep the API for a custom function the same as for a standard html element).
2019-03-04T08:42:59.404700
Moshe
elmlang
general
Actually I’m currently thinking about it. Let me know if it works for you :smile:
2019-03-04T08:43:29.404800
Moshe
elmlang
general
The official packages on Hackage are broken. I'm trying out the NoRedInk forks: - <https://github.com/NoRedInk/elm-export> - <https://github.com/NoRedInk/servant-elm> These seem working
2019-03-04T08:45:05.405000
Marlys
elmlang
general
Hmmm… that’s a little disappointing. I was hoping for some more straight forward integration. Are you using stack to manage your project?
2019-03-04T08:49:55.405200
Moshe
elmlang
general
yes
2019-03-04T08:52:04.405400
Marlys
elmlang
general
it's easy to integrate those packages with stack
2019-03-04T08:52:11.405600
Marlys
elmlang
general
add: - github: NoRedInk/elm-export commit: a6b7a9a315bd24cde663012fcbb5fd35d1129a72 - github: NoRedInk/servant-elm commit: 84cb393969305d539daed2c10850b8a40f3fb398 to the extra-deps in the stack.yaml
2019-03-04T08:52:40.405800
Marlys
elmlang
general
you can replace the commit hash with a newer one from github
2019-03-04T08:52:56.406000
Marlys
elmlang
general
stack will automatically resolve the right dependencies in your package.yaml
2019-03-04T08:53:49.406300
Marlys
elmlang
general
awesome... it's working :^&gt;
2019-03-04T08:56:22.406500
Marlys
elmlang
general
:heart:
2019-03-04T08:56:36.406700
Marlys
elmlang
general
No, that's not possible <@Moshe>
2019-03-04T09:15:36.407100
Lynne