PS2 JSON Polyfill

json-polyfill.ps1

function ConvertFrom-JsonString
{
  [CmdletBinding()]
  param(
    [Parameter(Mandatory=$true, ValueFromPipeline=$true)]
    [string]
    $Json
  )

  Add-Type -AssemblyName System.Web.Extensions
  $jsSerializer = New-Object Web.Script.Serialization.JavaScriptSerializer
  return $jsSerializer.DeserializeObject($json)
}

function ConvertTo-JsonString
{
  [CmdletBinding()]
  param(
    [Parameter(Mandatory=$true, ValueFromPipeline=$true)]
    [AllowNull()]
    [PSObject]
    $InputObject
  )


  Add-Type -AssemblyName System.Web.Extensions
  $jsSerializer = New-Object Web.Script.Serialization.JavaScriptSerializer
  return $jsSerializer.Serialize($InputObject)
}