Bicep

1.4.4

Public/Convert-JsonToBicep.ps1

function Convert-JsonToBicep {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory, 
            ParameterSetName = 'String')]
        [ValidateNotNullOrEmpty()]
        [ValidateScript( { 
            try { $_ | Convertfrom-Json }
            catch { $false }
          },
          ErrorMessage = 'The string is not a valid json')]
        [string]$String
    )

    begin {        
        $FileResolver = [Bicep.Core.FileSystem.FileResolver]::new()
        $ResourceProvider = [Bicep.Core.TypeSystem.Az.AzResourceTypeProvider]::new()
    }

    process {
        $jsonObject = ConvertFrom-Json -InputObject $String -AsHashtable -Depth 100
        $variables = [ordered]@{}
        $templateBase = [ordered]@{
            '$schema'        = 'https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#'
            'contentVersion' = '1.0.0.0'
        }
        $variables['temp'] = $jsonObject                                  
        $templateBase['variables'] = $variables
        $tempTemplate = ConvertTo-Json -InputObject $templateBase -Depth 100
        Out-File -InputObject $tempTemplate -FilePath "$($env:TEMP)\tempfile.json"
        $file = Get-ChildItem -Path "$($env:TEMP)\tempfile.json"
        
        if ($file) {
            $BicepObject = [Bicep.Decompiler.TemplateDecompiler]::DecompileFileWithModules($ResourceProvider, $FileResolver, $file.FullName)
            foreach ($BicepFile in $BicepObject.Item2.Keys) {                 
                $bicepData = $BicepObject.Item2[$BicepFile]
            }       
            $bicepOutput = $bicepData.Replace("var temp = ", "")
            Write-Host $bicepOutput                        
        }        
        Remove-Item $file
    }
}