private/ConvertFrom-TomlFrontMatter.ps1
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function ConvertFrom-TomlFrontMatter { [CmdletBinding()] [OutputType([PSCustomObject])] param ( [Parameter(Mandatory = $true)] [System.IO.FileInfo]$InputFile ) $content = Get-Content $InputFile $startIndex = $null $endIndex = $null # Find the first two lines that are exactly '+++' for ($i = 0; $i -lt $content.Count; $i++) { if ($content[$i].Trim() -eq '+++') { if ($null -eq $startIndex) { $startIndex = $i } else { $endIndex = $i; break } } } if ($null -eq $startIndex -or $null -eq $endIndex) { Write-Error 'Unable to locate frontmatter markers in the file.' return } # Extract the frontmatter lines (excluding the marker lines) $frontmatterLines = $content[($startIndex + 1)..($endIndex - 1)] $properties = @{} foreach ($line in $frontmatterLines) { $line = $line.Trim() $fmLineRegex = '^(?<key>[^=\s]+)\s*=\s*(?<value>.+)$' if (-not [string]::IsNullOrWhiteSpace($line) -and $line -match $fmLineRegex) { $key = $Matches['key'] $value = $Matches['value'].Trim() # Remove quotes if present $value = Convert-FrontMatterValue -Value $value # Handle array values (e.g. [ "PowerBI", "Graph", "Intune" ]) $fmArrayRegex = '^\[(.*)\]$' if ($value -match $fmArrayRegex) { $inner = $Matches[1] $value = $inner -split ',' | ForEach-Object { Convert-FrontMatterValue -Value $_.trim() } } # Try converting to an integer if applicable elseif ($value -as [int] -and $value -match '^\d+$') { $value = [int]$value } $properties[$key] = $value } } return [PSCustomObject]$properties } |