launch.json

{
  // Use IntelliSense to find out which attributes exist for C# debugging
  // Use hover for the description of the existing attributes
  // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
  "version": "0.2.0",
  "configurations": [
    {
      "name": "dotnet-format -f . --dry-run",
      "type": "coreclr",
      "request": "launch",
      "preLaunchTask": "build",
      // If you have changed target frameworks, make sure to update the program path.
      "program": "${workspaceFolder}/artifacts/bin/dotnet-format/Debug/netcoreapp2.1/dotnet-format.dll",
      "args": [
        "-f",
        ".",
        "-v",
        "diag",
        "--dry-run"
      ],
      "cwd": "${workspaceFolder}/src",
      // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console
      "console": "internalConsole",
      "stopAtEntry": false
    },
    {
      "name": "dotnet-format -w format.sln --dry-run",
      "type": "coreclr",
      "request": "launch",
      "preLaunchTask": "build",
      // If you have changed target frameworks, make sure to update the program path.
      "program": "${workspaceFolder}/artifacts/bin/dotnet-format/Debug/netcoreapp2.1/dotnet-format.dll",
      "args": [
        "-w",
        "format.sln",
        "-v",
        "diag",
        "--dry-run"
      ],
      "cwd": "${workspaceFolder}",
      // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console
      "console": "internalConsole",
      "stopAtEntry": false
    },
    {
      "name": ".NET Core Attach",
      "type": "coreclr",
      "request": "attach",
      "processId": "${command:pickProcess}"
    }
  ]
}