GripDevJsonSchemaValidator.psm1
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$ErrorActionPreference = "Debug" # Load Newtonsoft assemblies from the same directory as this script $scriptPath = $PSScriptRoot Add-Type -Path (Join-Path $scriptPath "Newtonsoft.Json.dll") Add-Type -Path (Join-Path $scriptPath "Newtonsoft.Json.Schema.dll") function Test-JsonSchema { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [string]$SchemaPath, [Parameter(Mandatory = $true)] [string]$JsonPath, [Parameter(Mandatory = $false)] [bool]$PrettyPrint = $true ) $schemaContent = Get-Content -Path $SchemaPath -Raw $jsonContent = Get-Content -Path $JsonPath -Raw $schema = [Newtonsoft.Json.Schema.JSchema]::Parse($schemaContent) $errors = New-Object System.Collections.Generic.List[Newtonsoft.Json.Schema.ValidationError] $valid = [NewtonSoft.Json.Schema.SchemaExtensions]::IsValid($jsonContent, $schema, [ref]$errors) $userErrorMessages = @() if ($valid) { if ($PrettyPrint) { Write-Host "✅ JSON is valid." -ForegroundColor Green } } else { if ($PrettyPrint) { Write-Host "`n❌ JSON validation failed!" -ForegroundColor Red } if ($PrettyPrint) { Write-Host " Found the following errors:`n" -ForegroundColor Yellow } $errors | ForEach-Object { $errorMessage = "`n❌ Error Details:`n" $errorMessage += " └─ Message: $($_.Message)`n" $errorMessage += " └─ Location: Line $($_.LineNumber), Position $($_.LinePosition)`n" $errorMessage += " └─ Path: $($_.Path)`n" $errorMessage += " └─ Value: $($_.Value)" if ($_.ChildErrors) { $errorMessage += "`n └─ Related Issues:" $_.ChildErrors | ForEach-Object { $errorMessage += "`n ↳ $($_.Message)" } } $userErrorMessages += $errorMessage if ($PrettyPrint) { Write-Host $errorMessage } } } $errorDetails = [System.Collections.Generic.List[PSCustomObject]]::new() $i = 0 foreach ($error in $errors) { $errorDetails += [PSCustomObject]@{ Message = $error.Message UserMessage = $userErrorMessages[$i] LineNumber = $error.LineNumber LinePosition = $error.LinePosition Path = $error.Path Value = $error.Value Schema = $error.Schema SchemaId = $error.SchemaId SchemaBaseUri = $error.SchemaBaseUri ErrorType = $error.ErrorType ChildErrors = $error.ChildErrors } $i++ } return [PSCustomObject]@{ Valid = $valid Errors = $errorDetails } } |