Private/Get-DefaultCredentialStorePath.ps1

function Get-DefaultCredentialStorePath {
    <#
    .SYNOPSIS
        Returns the default CredentialStore path based on the current OS.
 
    .DESCRIPTION
        This is a low level helper function.
 
    .INPUTS
        [None]
 
    .OUTPUTS
        [string]
 
    .EXAMPLE
        $Path = Get-DefaultCredentialStorePath
 
    .NOTES
        - File Name : Get-DefaultCredentialStorePath.ps1
        - Author : Marco Blessing - marco.blessing@googlemail.com
        - Requires :
 
    .LINK
        https://github.com/OCram85/PSCredentialStore
    #>

    [CmdletBinding()]
    [OutputType([string])]
    param(
        [Parameter(Mandatory = $false)]
        [switch]$Shared
    )

    begin { }

    process {
        if ($Shared.IsPresent) {
            if ($IsLinux) {
                return Join-Path -Path '/var/opt' -ChildPath 'PSCredentialStore/CredentialStore.json'
            }
            if ($IsMacOS) {
                return Join-Path -Path '/var/opt' -ChildPath 'PSCredentialStore/CredentialStore.json'
            }
            elseif (($isWindows) -or ($PSVersionTable.PSVersion.Major -lt 6) -or ($PSVersionTable.PSEdition -eq 'Desktop')) {
                return Join-Path -Path $env:ProgramData -ChildPath 'PSCredentialStore/CredentialStore.json'
            }
        }
        else {
            if ($IsLinux) {
                return Join-Path -Path $Env:HOME -ChildPath 'CredentialStore.json'
            }
            if ($IsMacOS) {
                return Join-Path -Path $Env:HOME -ChildPath 'CredentialStore.json'
            }
            elseif (($isWindows) -or ($PSVersionTable.PSVersion.Major -lt 6) -or ($PSVersionTable.PSEdition -eq 'Desktop')) {
                return Join-Path -Path $env:AppData -ChildPath 'CredentialStore.json'
            }
        }
    }

    end { }
}