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

Here's a quick function to convert a PSObject back into a hashtable (with support for nested objects; intended for use with DSC ConfigurationData, but can be used wherever you need it).

function ConvertPSObjectToHashtable
{
    param (
        [Parameter(ValueFromPipeline)]
        $InputObject
    )

    process
    {
        if ($null -eq $InputObject) { return $null }

        if ($InputObject -is [System.Collections.IEnumerable] -and $InputObject -isnot [string])
        {
            $collection = @(
                foreach ($object in $InputObject) { ConvertPSObjectToHashtable $object }
            )

            Write-Output -NoEnumerate $collection
        }
        elseif ($InputObject -is [psobject])
        {
            $hash = @{}

            foreach ($property in $InputObject.PSObject.Properties)
            {
                $hash[$property.Name] = ConvertPSObjectToHashtable $property.Value
            }

            $hash
        }
        else
        {
            $InputObject
        }
    }
}