Functions/Private/Write-ColourfulJSON.ps1
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function Write-ColourfulJSON { Param( [Parameter(Mandatory, ValueFromPipeline)] [string] $JSON, [Parameter()] [string] $KeyColor = (Get-PSReadLineOption).CommentColor, [Parameter()] [string] $StringColor = (Get-PSReadLineOption).StringColor, [Parameter()] [string] $NumberColor = (Get-PSReadLineOption).ListPredictionColor, [Parameter()] [string] $OtherColor = (Get-PSReadLineOption).ParameterColor ) Begin { $CollatedStrings = New-Object -TypeName System.Collections.Generic.List['String'] } Process { if ($MyInvocation.ExpectingInput) { $CollatedStrings.Add($JSON) } } End { if ($CollatedStrings.Count -gt 1) { $JSON = $CollatedStrings -Join "`n" } $EOL = "(?=,*\s*$)" $Reset = $PSStyle.Reset # Format JSON $FormattedJSON = ConvertFrom-Json -InputObject $JSON | ConvertTo-Json -Depth 100 # Find keys as any line which starts with a double-quoted string followed by a colon $FormattedJSON = $FormattedJSON -Replace '(?m)([ ]+)("[^"\\\n\r]*(?:\\.[^"\\]*)*"(?=:))', "`$1$KeyColor`$2$Reset" # Find all other sets of characters that the same match but NOT followed by a colon $FormattedJSON = $FormattedJSON -replace '(?m)([ ]+)("[^"\\\n\r]*(?:\\.[^"\\]*)*"(?!:))', "`$1$StringColor`$2$Reset" #Find true/false/null strings that end a line and colorize $FormattedJSON = $FormattedJSON -replace "(?m)(true|false|null)$EOL", "$OtherColor`$1$Reset" # Find numbers that end a line and colorize $FormattedJSON = $FormattedJSON -replace "(?m)(:[ ]*)(-?[\d\.]+([eE]{1}[+-][\d]+)?)$EOL", "`$1$NumberColor`$2$Reset" Write-Host $FormattedJSON } } |