internal/functions/Remove-JsonComments.ps1
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function Remove-JsonComments { <# .SYNOPSIS Removes line and block comments from JSON content. .DESCRIPTION Processes JSON content to remove: - Line comments starting with // - Block comments /* ... */ Respects string literals and escaped characters. .PARAMETER Content The JSON content string to process. .OUTPUTS String. The JSON content with comments removed. .EXAMPLE $cleanJson = Remove-JsonComments -Content $jsonWithComments #> [CmdletBinding()] [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseSingularNouns", "", Justification="Function removes multiple types of comments")] param([Parameter(Mandatory)][string]$Content) # Remove block comments first $noBlock = [regex]::Replace($Content, '(?s)/\*.*?\*/', '') # Remove full-line comments $noFullLine = [regex]::Replace($noBlock, '(?m)^[ \t]*//.*?$', '') # Process inline comments while respecting string literals $sb = New-Object -TypeName System.Text.StringBuilder foreach ($line in $noFullLine -split "`n") { $inString = $false $escaped = $false $out = New-Object -TypeName System.Text.StringBuilder for ($i = 0; $i -lt $line.Length; $i++) { $ch = $line[$i] if ($escaped) { [void]$out.Append($ch) $escaped = $false continue } if ($ch -eq '\\') { $escaped = $true [void]$out.Append($ch) continue } if ($ch -eq '"') { $inString = -not $inString [void]$out.Append($ch) continue } if (-not $inString -and $ch -eq '/' -and $i + 1 -lt $line.Length -and $line[$i + 1] -eq '/') { break } [void]$out.Append($ch) } [void]$sb.AppendLine(($out.ToString())) } return $sb.ToString() } |