Add support for serializing ScriptBlock and Switch objects

Author: Jaykul

Source/Configuration.psd1

@@ -1,69 +1,71 @@
-@{
-
-# Script module or binary module file associated with this manifest.
-ModuleToProcess = '.\Configuration.psm1'
-
-# Version number of this module.
-ModuleVersion = '1.0.3'
-
-# ID used to uniquely identify this module
-GUID = 'e56e5bec-4d97-4dfd-b138-abbaa14464a6'
-
-# Author of this module
-Author = @('Joel Bennett')
-
-# Company or vendor of this module
-CompanyName = 'HuddledMasses.org'
-
-# HelpInfo URI of this module
-# HelpInfoURI = ''
-
-# Copyright statement for this module
-Copyright = 'Copyright (c) 2014-2016 by Joel Bennett, all rights reserved.'
-
-# Description of the functionality provided by this module
-Description = 'A module for storing and reading configuration values, with full PS Data serialization, automatic configuration for modules and scripts, etc.'
-
-# We explicitly name the functions we want to be visible, but we export everything with '*'
-FunctionsToExport = 'Import-Configuration','Export-Configuration','Get-StoragePath','Add-MetadataConverter',
-                    'ConvertFrom-Metadata','ConvertTo-Metadata','Export-Metadata','Import-Metadata',
-                    'Update-Manifest','Get-ManifestValue','*'
-
-# Cmdlets to export from this module
-CmdletsToExport = '*'
-
-# Variables to export from this module
-VariablesToExport = '*'
-
-# Aliases to export from this module
-AliasesToExport = '*'
-
-# List of all files packaged with this module
-FileList = @('.\Configuration.psd1','.\Configuration.psm1','.\Metadata.psm1','.\en-US\about_Configuration.help.txt')
-
-PrivateData = @{
-    # PSData is module packaging and gallery metadata embedded in PrivateData
-    # It's for the PoshCode and PowerShellGet modules
-    # We had to do this because it's the only place we're allowed to extend the manifest
-    # https://connect.microsoft.com/PowerShell/feedback/details/421837
-    PSData = @{
-        # Keyword tags to help users find this module via navigations and search.
-        Tags = @('Development','Configuration','Settings','Storage')
-
-        # The web address of this module's project or support homepage.
-        ProjectUri = "https://github.com/PoshCode/Configuration"
-
-        # The web address of this module's license. Points to a page that's embeddable and linkable.
-        LicenseUri = "http://opensource.org/licenses/MIT"
-
-        # Release notes for this particular version of the module
-        ReleaseNotes = 'Remove almost all verbose output'
-
-        # Indicates this is a pre-release/testing version of the module.
-        IsPrerelease = 'False'
-    }
-}
-
-}
-
-
+@{
+
+# Script module or binary module file associated with this manifest.
+ModuleToProcess = '.\Configuration.psm1'
+
+# Version number of this module.
+ModuleVersion = '1.1.0'
+
+# ID used to uniquely identify this module
+GUID = 'e56e5bec-4d97-4dfd-b138-abbaa14464a6'
+
+# Author of this module
+Author = @('Joel Bennett')
+
+# Company or vendor of this module
+CompanyName = 'HuddledMasses.org'
+
+# HelpInfo URI of this module
+# HelpInfoURI = ''
+
+# Copyright statement for this module
+Copyright = 'Copyright (c) 2014-2016 by Joel Bennett, all rights reserved.'
+
+# Description of the functionality provided by this module
+Description = 'A module for storing and reading configuration values, with full PS Data serialization, automatic configuration for modules and scripts, etc.'
+
+# We explicitly name the functions we want to be visible, but we export everything with '*'
+FunctionsToExport = 'Import-Configuration','Export-Configuration','Get-StoragePath','Add-MetadataConverter',
+                    'ConvertFrom-Metadata','ConvertTo-Metadata','Export-Metadata','Import-Metadata',
+                    'Update-Manifest','Get-ManifestValue','*'
+
+# Cmdlets to export from this module
+CmdletsToExport = '*'
+
+# Variables to export from this module
+VariablesToExport = '*'
+
+# Aliases to export from this module
+AliasesToExport = '*'
+
+# List of all files packaged with this module
+FileList = @('.\Configuration.psd1','.\Configuration.psm1','.\Metadata.psm1','.\en-US\about_Configuration.help.txt')
+
+PrivateData = @{
+    # PSData is module packaging and gallery metadata embedded in PrivateData
+    # It's for the PoshCode and PowerShellGet modules
+    # We had to do this because it's the only place we're allowed to extend the manifest
+    # https://connect.microsoft.com/PowerShell/feedback/details/421837
+    PSData = @{
+        # Keyword tags to help users find this module via navigations and search.
+        Tags = @('Development','Configuration','Settings','Storage')
+
+        # The web address of this module's project or support homepage.
+        ProjectUri = "https://github.com/PoshCode/Configuration"
+
+        # The web address of this module's license. Points to a page that's embeddable and linkable.
+        LicenseUri = "http://opensource.org/licenses/MIT"
+
+        # Release notes for this particular version of the module
+        ReleaseNotes = '
+            Added support for ScriptBlocks and SwitchParameters
+        '
+
+        # Indicates this is a pre-release/testing version of the module.
+        IsPrerelease = 'False'
+    }
+}
+
+}
+
+

Source/Metadata.psm1

@@ -204,10 +204,13 @@ function ConvertTo-Metadata {
          }) -split "`n" -join "`n$t")
       }
       elseif($InputObject -is [System.Collections.IEnumerable]) {
-         # Write-verbose "Enumerable"
-         "@($($(ForEach($item in @($InputObject)) { ConvertTo-Metadata $item }) -join ","))"
-      }
-      elseif($InputObject.GetType().FullName -eq 'System.Management.Automation.PSCustomObject') {
+        # Write-verbose "Enumerable"
+        "@($($(ForEach($item in @($InputObject)) { ConvertTo-Metadata $item }) -join ","))"
+     }
+     elseif($InputObject -is [System.Management.Automation.ScriptBlock]) {
+         "(ScriptBlock '$InputObject')"
+     }
+     elseif($InputObject.GetType().FullName -eq 'System.Management.Automation.PSCustomObject') {
          # Write-verbose "PSCustomObject"
          # NOTE: we can't put [ordered] here because we need support for PS v2, but it's ok, because we put it in at parse-time
          "(PSObject @{{`n$t{0}`n}})" -f ($(
@@ -294,7 +297,7 @@ function ConvertFrom-Metadata {
       Add-MetadataConverter $Converters
       [string[]]$ValidCommands = @(
             "PSObject", "ConvertFrom-StringData", "Join-Path", "Split-Path", "ConvertTo-SecureString",
-         "Guid", "bool", "SecureString", "Version", "DateTime", "DateTimeOffset", "PSCredential", "ConsoleColor"
+         "Guid", "bool", "SecureString", "Version", "DateTime", "DateTimeOffset", "PSCredential", "ConsoleColor", "ScriptBlock"
          ) + @($MetadataConverters.Keys.GetEnumerator() | Where-Object { $_ -isnot [Type] })
       [string[]]$ValidVariables = "PSScriptRoot", "ScriptRoot", "PoshCodeModuleRoot","PSCulture","PSUICulture","True","False","Null"
    }
@@ -763,6 +766,20 @@ function ConsoleColor {
    [ConsoleColor]$Value
 }
 
+function ScriptBlock {
+    <#
+       .Synopsis
+          Creates a ScriptBlock from a string
+       .Description
+          Just calls [ScriptBlock]::Create with the passed-in value
+       .Parameter Value
+          The ScriptBlock as a string
+    #>
+    param([string]$Value)
+    [scriptblock]::Create($Value)
+ }
+
+
 $MetadataConverters = @{}
 
 if($Converters -is [Collections.IDictionary]) {
@@ -773,6 +790,8 @@ if($Converters -is [Collections.IDictionary]) {
 Add-MetadataConverter @{
    [bool]    = { if($_) { '$True' } else { '$False' } }
 
+   [System.Management.Automation.SwitchParameter] = { if($_) { '$True' } else { '$False' } }
+
    [Version] = { "'$_'" }
 
    [PSCredential] = { 'PSCredential "{0}" "{1}"' -f $_.UserName, (ConvertFrom-SecureString $_.Password) }