Replace `modules.json` with `RequiredModules`

[andyleejordan]

This awesome tool RequiredModules is a complete implementation of our partial modules.json PowerShell module dependency specification, and our Invoke-Build task for parsing and installing them:

PowerShellEditorServices/PowerShellEditorServices.build.ps1

Lines 367 to 431 in 7c035bc

	task RestorePsesModules -After Build {
	$submodulePath = (Resolve-Path $PsesSubmodulePath).Path + [IO.Path]::DirectorySeparatorChar
	Write-Host "`nRestoring EditorServices modules..."
	# Read in the modules.json file as a hashtable so it can be splatted
	$moduleInfos = @{}
	(Get-Content -Raw $ModulesJsonPath | ConvertFrom-Json).PSObject.Properties | ForEach-Object {
	$name = $_.Name
	$body = @{
	Name = $name
	MinimumVersion = $_.Value.MinimumVersion
	MaximumVersion = $_.Value.MaximumVersion
	AllowPrerelease = $script:IsPreview
	Repository = if ($_.Value.Repository) { $_.Value.Repository } else { $DefaultModuleRepository }
	Path = $submodulePath
	}
	if (-not $name)
	{
	throw "EditorServices module listed without name in '$ModulesJsonPath'"
	}
	$moduleInfos.Add($name, $body)
	}
	if ($moduleInfos.Keys.Count -gt 0) {
	# `#Requires` doesn't display the version needed in the error message and `using module` doesn't work with InvokeBuild in Windows PowerShell
	# so we'll just use Import-Module to check that PowerShellGet 1.6.0 or higher is installed.
	# This is needed in order to use the `-AllowPrerelease` parameter
	Import-Module -Name PowerShellGet -MinimumVersion 1.6.0 -ErrorAction Stop
	}
	# Save each module in the modules.json file
	foreach ($moduleName in $moduleInfos.Keys)
	{
	if (Test-Path -Path (Join-Path -Path $submodulePath -ChildPath $moduleName))
	{
	Write-Host "`tModule '${moduleName}' already detected. Skipping"
	continue
	}
	$moduleInstallDetails = $moduleInfos[$moduleName]
	$splatParameters = @{
	Name = $moduleName
	AllowPrerelease = $moduleInstallDetails.AllowPrerelease
	Repository = if ($moduleInstallDetails.Repository) { $moduleInstallDetails.Repository } else { $DefaultModuleRepository }
	Path = $submodulePath
	}
	# Only add Min and Max version if we're doing a stable release.
	# This is due to a PSGet issue with AllowPrerelease not installing the latest preview.
	if (!$moduleInstallDetails.AllowPrerelease) {
	$splatParameters.MinimumVersion = $moduleInstallDetails.MinimumVersion
	$splatParameters.MaximumVersion = $moduleInstallDetails.MaximumVersion
	}
	Write-Host "`tInstalling module: ${moduleName} with arguments $(ConvertTo-Json $splatParameters)"
	Save-Module @splatParameters
	}
	Write-Host "`n"
	}

Thanks for the tip @JustinGrote

[andyleejordan]

That module hasn't been touched since December 2019, so actually just going to improve our own logic.

[JustinGrote]

@andschwa PSGetv3 will have a manifest restore feature down the line (probably in a year or so given their current pace) so worth revisiting then.

[andyleejordan]

Oh yeah, that'll be really cool!