Emit errors concerning WSL commands

scripts/Common/Scripts/BrowserAutomation.ps1

@@ -110,7 +110,7 @@ $null = New-Module {
                 $result;
             }
             catch {
-                throw $Error;
+                Write-Error $Error;
             }
         }
     }
@@ -156,7 +156,7 @@ $null = New-Module {
             if ($element) {
                 $Browser.FindElement([OpenQA.Selenium.By]::CssSelector($ButtonSelector)).Click();
             } else {
-                throw "Unable to find download button!";
+                Write-Error "Unable to find download button!";
             }
         };
     }

scripts/Common/Scripts/Config.ps1

@@ -37,7 +37,13 @@ $null = New-Module {
             wsl -e printf "%q" "$result";
         };
 
-        Receive-Job -Wait $job;
+        $result = Receive-Job -Wait $job;
+
+        if ($job.State -ne ([System.Management.Automation.JobState]::Completed)) {
+            Write-Error "An error occurred while converting ``$Path`` to a Linux path.`nOutput: ``$result``";
+        }
+
+        $result;
     }
 
     <#
@@ -87,11 +93,17 @@ $null = New-Module {
                 wsl --shell-type login -- nix --extra-experimental-features "nix-command flakes" run nixpkgs`#fish -- $args
             }
 
-            fish -c ". $(ConvertTo-LinuxPath $scriptPath); $Script" | ConvertFrom-Json;
-        }
+            $output = fish -c ". $(ConvertTo-LinuxPath $scriptPath); $Script";
 
-        if (-not $?) {
-            throw "The configuration could not be retrieved!";
+            if (-not $?) {
+                Write-Error "The configuration could not be retrieved!";
+            } else {
+                if (-not ($output | Test-Json)) {
+                    Write-Error "The value ``$output`` is not valid JSON.";
+                } else {
+                    $output | ConvertFrom-Json;
+                }
+            }
         }
     }
 

scripts/Common/Scripts/Operations.ps1

@@ -51,7 +51,7 @@ $null = New-Module {
     #>
     function Enable-OneShotListener {
         $tempTask = "PortValhalla Temp";
-        $action = New-ScheduledTaskAction -Execute "pwsh" -Argument (Get-StartupArguments);
+        $action = New-ScheduledTaskAction -Execute "pwsh" -Argument ([string](Get-StartupArguments));
         schtasks /Create /SC ONEVENT /EC $logName /MO "*[System[Provider[@Name='$logName'] and EventID=$($oneShotTrigger)]]" /TR cmd.exe /TN $tempTask;
         $trigger = (Get-ScheduledTask $tempTask).Triggers;
         $principal = New-ScheduledTaskPrincipal -UserId "SYSTEM" -RunLevel Highest;
@@ -113,7 +113,7 @@ $null = New-Module {
         if (Test-Path $errorPath) {
             $errorMessage = Get-Content $errorPath;
             Remove-Item $errorPath;
-            throw $errorMessage;
+            Write-Error $errorMessage;
         }
     }