private/ConvertFrom-JsonFrontMatter.ps1
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function ConvertFrom-JsonFrontMatter { [CmdletBinding()] [OutputType([PSCustomObject])] param ( [Parameter(Mandatory = $true)] [System.IO.FileInfo]$InputFile ) $content = Get-Content -Path $InputFile # Use regex to extract a JSON block at the beginning of the input. $jsonPattern = '^\s*(\{.*?\})' $match = [regex]::Match($Content, $jsonPattern, [System.Text.RegularExpressions.RegexOptions]::Singleline) if (-not $match.Success) { Write-Error 'Unable to locate JSON frontmatter in the file.' return } $jsonBlock = $match.Groups[1].Value try { $data = $jsonBlock | ConvertFrom-Json } catch { Write-Error "Failed to convert JSON frontmatter to PSCustomObject: $_" return } return $data } |