Not able to run F# Core MVC projects #533

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claunia · 2026-01-29T16:42:15Z

claunia commented

2026-01-29 16:42:15 +00:00

Originally created by @kojo12228 on GitHub (Jul 19, 2020).

Version: 9.31.2

.NET Core Version: 3.1
Node.js Version: 12.13.0

Target: Windows (10)

First of all, this is a very interesting project that I'm excited to experiment with for building small projects.

The application doesn't work for F# ASP.NET Core MVC applications, or Blazor (using Bolero). While electronize init throws an exception due to only .csproj projects being searched, manually filling the fields of the manifest file to match an equivalent C# project caused electronize start to hang just after outputting stdout: Use Electron Port:

Steps to Reproduce:

Run dotnet new mvc -lang F#
Add ElectronNET project with dotnet add package ElectronNET.API
Add webBuilder.UseElectron(args) |> ignore to Program.fs
Add async { do! Electron.WindowManager.CreateWindowAsync() |> Async.AwaitTask |> Async.Ignore } to Startup.fs
Run electronize init, manually correct "executable", "name", "apiId" and "projectName" to match equivalent C# project
Add CopyToOutputDirectory for electron.manifest.json in *.fsproj
Run electronize start

Originally created by @kojo12228 on GitHub (Jul 19, 2020).    * **Version**: 9.31.2  .NET Core Version: 3.1 Node.js Version: 12.13.0  * **Target**: Windows (10)   First of all, this is a very interesting project that I'm excited to experiment with for building small projects. The application doesn't work for F# ASP.NET Core MVC applications, or Blazor (using Bolero). While `electronize init` throws an exception due to only `.csproj` projects being searched, manually filling the fields of the manifest file to match an equivalent C# project caused `electronize start` to hang just after outputting `stdout: Use Electron Port:` Steps to Reproduce: 1. Run `dotnet new mvc -lang F#` 2. Add ElectronNET project with `dotnet add package ElectronNET.API` 3. Add `webBuilder.UseElectron(args) |> ignore` to Program.fs 4. Add `async { do! Electron.WindowManager.CreateWindowAsync() |> Async.AwaitTask |> Async.Ignore }` to Startup.fs 5. Run `electronize init`, manually correct "executable", "name", "apiId" and "projectName" to match equivalent C# project 6. Add `CopyToOutputDirectory` for `electron.manifest.json` in `*.fsproj` 7. Run `electronize start`

claunia added the bug label 2026-01-29 16:42:15 +00:00

claunia closed this issue

2026-01-29 16:42:15 +00:00

claunia commented

2026-01-29 16:42:16 +00:00

@kojo12228 commented on GitHub (Jul 22, 2020):

I realised that step 4 didn't actually run the async code, so it should be:

async {
    do!
        Electron.WindowManager.CreateWindowAsync()
        |> Async.AwaitTask
        |> Async.Ignore
} |> Async.RunSynchronously

I'll make a pull request to fix the electronize init issue with .fsproj projects.

@kojo12228 commented on GitHub (Jul 22, 2020): I realised that step 4 didn't actually run the async code, so it should be: ```fsharp async { do! Electron.WindowManager.CreateWindowAsync() |> Async.AwaitTask |> Async.Ignore } |> Async.RunSynchronously ``` I'll make a pull request to fix the `electronize init` issue with .fsproj projects.

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Reference: starred/Electron.NET#533