Hashtables from ConvertFrom-json have different type from powershells built-in hashtables, how do I make them the same?

Question

I have a json file (test.json) that looks something like this:

{
    \"root\":
    {
        \"key\":\"value\"
    }
}

I\'m loading it into

Answer 1

I put this together to handle nested json to hashtables

    function ConvertJSONToHash{
    param(
        $root
    )
    $hash = @{}

    $keys = $root | gm -MemberType NoteProperty | select -exp Name

    $keys | %{
        $key=$_
        $obj=$root.$($_)
        if($obj -match "@{")
        {
            $nesthash=ConvertJSONToHash $obj
            $hash.add($key,$nesthash)
        }
        else
        {
           $hash.add($key,$obj)
        }

    }
    return $hash
}

I have only tested with 4 levels but recursive until it has complete hashtable.