Public/Utils/ConvertTo-HashtableFromJSON.ps1

function ConvertTo-HashtableFromJSON {
  #requires -Version 3.0
  <#
      .SYNOPSIS
      Retrievies json file from disk and converts to hashtable.

      .DESCRIPTION
      Reads file given as Path parameter and using ConvertTo-HashtableFromPsCustomObject converts it to a hashtable.

      .PARAMETER Path
      Path to a json file.

      .EXAMPLE
      ConvertTo-HashtableFromJSON -Path c:\somefile.json
      Will read somefile.json and convert it to custom hashtable.

      .INPUTS
      Path to a json file (string).

      .OUTPUTS
      Custom Hashtable.
  #>




    [CmdletBinding()]
    [OutputType([Hashtable])]
    param ( 
         [Parameter(  
             Position = 0,HelpMessage='Path to json file', 
             Mandatory = $true,   
             ValueFromPipeline = $true,  
             ValueFromPipelineByPropertyName = $true)]
         [ValidateScript({Test-Path -Path $_ -PathType 'Leaf' })]
         
         [string]
         $Path 
     ) 

  Process{
    $content = Get-Content -LiteralPath $path -ReadCount 0 -Raw | Out-String
    $pscustomObject = ConvertFrom-Json -InputObject $content
    $hashtable = ConvertTo-HashtableFromPsCustomObject -psCustomObject $pscustomObject
    $hashtable
  }
}