ionide/ionide-project

Fergus Meiklejohn

@fergusmeiklejohn

@ataias I'm having the same issue. I don't have F# Language Server installed though. Symptom is that Ionide claims that "The namespace or module 'Elmish' is not defined." and so on for Fable, Fulma etc. Red error lines. But it builds and runs as normal.

If (eg) I comment out open Elmish it won't compile and obviously if I delete the comment it builds again as expected. So Ionide is not seeing the packages..

And VS Mac is giving me the same Error: the namespace or module 'Elmish' is not defined

Fergus Meiklejohn

@fergusmeiklejohn

These errors are on an unaltered dotnet Fulma template project, which has built successfully and is running as expected in the browser. Weird..

Fergus Meiklejohn

@fergusmeiklejohn

Ignore the above.. This problem went away when I made changes to the view function. Don't understand why but nothing to see here now..

devota7

@devota7

hey guys I need help. I can't get fsi: start to work in Visual Studio Code

'#' is not recognized as an internal or external command,

Steve Poling

@StevePoling

i am just starting & trying to set up vscode/ionide and work through some of the online tutorials. I keep getting "Project parsing failed" and when I look at my project status it says, Status: failed to load and Error: Project not restored. This isn't exactly pointing me toward anything actionable. In fact it seems like it's saying "it's broken" three times without saying why. I'll wager i've done something so obviously wrong that "why" goes without saying.

apologies if there's a faq covering this. please point me to it.

carbon-twelve

@carbon-twelve

Hi there, I just found this in the "Requirements" section of the home page:

MsBuild 2015 (Windows only, optional) - [...] However, we highly recommend using new, SDK-based project files.

IIRC, project.json is on the way to the retirement. Is this still a thing?

Julien Roncaglia

@vbfox

project.json is dead :)

@carbon-twelve The new project system reverted to msbuild but the projects are a little different "SDK-based", the fsproj starts like this: <Project Sdk="Microsoft.NET.Sdk"> and they are easier to handle for tools like ionide.
MSbuild 2015 (or later) is needed to build old style project but I would advise against they aren't well supported and won't be fixed because everyone is transitioning from it

carbon-twelve

@carbon-twelve

@vbfox Oh, I see! I confused project.json with the new style of fsproj. Thanks a lot!

zetashift

@zetashift

Heya people picking up F# again, using VSCode but indention doesn't work is this on purpose?

Leo Cavalcante

@leocavalcante

Hey folks, Ionide isn't recognizing CsvFile at FSharp.Data.
I have a paket.dependencies with:

source https://www.nuget.org/api/v2

nuget FSharp.Data

And a paket.references with:

FSharp.Data

Already ran paket install
I'm able to see a newly created packages folder with FSharp.Data folder and its contents.

But inside VSCode, my file:

open FSharp.Data

[<EntryPoint>]
let main args =
  let data = CsvFile.Load("data.csv")

  printfn "%A" "hello world"
  0

I get:
The value, namespace, type or module 'CsvFile' is not defined.

What I'm missing?

Thanks!

Leo Cavalcante

@leocavalcante

It was missing a .fsproj read more about it, it is how text editors, like VSCode+Ionide can know what is going on

tobia

@tobia

Hello. Does anybody know why I get Intellisense summaries for my own modules https://ibb.co/iM4nCU but not for system ones https://ibb.co/hBdse9 ? I'm using VSCode + NetCore on Ubuntu. Do I need to install some additional package?

tobia

@tobia

@zetashift what do you mean indentation doesn't work? I'm experiencing a bug where Backspace on a blank line removes one space instead of one indentation level (I'm not sure if that's a VSCode or Ionide bug) but other than that, things are working for me

zetashift

@zetashift

@tobia it's a small thing if I define a type or function and press enter to type the body it doesn't auto-indent I have to press. I tried with emacs and that one does automatically place a tab on the next line. So I was wondering if it's just a default on Ionide or something.

Not really an issue just curious :P

Harold Salaila

@HSalaila

Hello! Is there something in F# like scala worksheets / quokka available? Preferably usable in VS Code

zetashift

@zetashift

@HSalaila closest thing I found, which works with VSCode is: https://docs.microsoft.com/en-us/dotnet/fsharp/tutorials/fsharp-interactive/

zetrious

@zetrious

Hey, I'm having a few issues with Iodine. When I write a simple program that makes any type of output such as "System.Console.WriteLine("Test")" nothing outputs at all.

Not even using "printfn" works.

zetrious

@zetrious

Compiling works just fine, no errors just doesn't pring.

print*

Dan Liebgold

@Danl2620

test

Dan Liebgold

@Danl2620

can someone suggest steps to diagnose “Cannot execute tooltip, File ‘<my-file>.fs' not parsed” … I don’t see the actual error

setting "FSharp.logLanguageServiceRequestsOutputWindowLevel": "DEBUG”, appears to offer the same information interspersed with the contents of the files… unless I’m missing something

Dan Liebgold

@Danl2620

(also the contents of the file make searching for errors kind of a needle-in-the-haystack thing)

Ok, narrowed it to : [11:25:36 DEBUG] RES (013) <- {symboluse} in 14 ms: Kind={"error”}

what does this mean?

Dan Liebgold

@Danl2620

Filed https://github.com/ionide/ionide-vscode-fsharp/issues

If there is a more active forum for discussion let me know and I’ll stop spamming this place :sweat_smile:

Gulogomi

@Gulogomi

Hello everyone! I get the error "connect ECONNREFUSED 127.0.0.1:8239" when I try run the script. ALT+ENTER gives another error "Failed to spawn FSI, please ensure it's in PATH"

Fergus Meiklejohn

@fergusmeiklejohn

Using the latest Fable Minimal template.
Does anyone know what this Ionide message means:

Consider using the .Net Core language services by setting `FSharp.fsacRuntime` to `netcore`

Where do I set FSharp.fsacRuntime?

thanks

TEDDY

@Teddmab

Hi everyone, I'm uiet new on Ionid-f# and I'm getting the following error message every time I try to run the FSI

Failed to spawn FSI, please ensure it's in PATH

I'm using: - Ubuntu 16.04 - Visual Studio Code 1.28.2 - Ionide-sharp 3.28.0

does anyone have an idea what would be the issue ?

I've been using F# on VS Code since few months but this is the first time I'm getting this

I tried to reinistall ionide and relaunch VS code, but issue persits

(+ (* 1 2 3 4) 5 6 7)

@cowlike

@fergusmeiklejohn it's in settings/ extensions/fsharp configuration

Fergus Meiklejohn

@fergusmeiklejohn

Thanks!

s164158

@s164158

I have the same issue, as teddy, however I tried pointing to my FSI path C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsi.exe\ but this doesnt work, any tips?

Onur Gumus

@OnurGumus

does debugging make use of launch.json ?

Prince Dzonga

@t3ndai

Hello folks, I'm using .netcore on MacOS but and I've set Iodide to use .netcore but can't get the REPL to work

Bob McCrory

@Bob-McCrory

@s164158 I did the same, but without the final '\', and it worked (sort of). I can run FSI, but I still don't have Intellisense

Matthew Moloney

@moloneymb

hi folks, it seems as if Ionide defaults to the 32bit FSI, I have example rojects that have 64bit native libraries and I'd like to enable end users to simply git clone, open in Ionide, then run script in FSI without having to first change their worspace settings to the full path of FSharpAnyCPU. Is there any way to do this currently?

Matthew Moloney

@moloneymb

ionide/ionide-vscode-fsharp#956

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