Add an extended Snippet for Advanced Functions fixes #5197

Author: kilasuit

snippets/PowerShell.json

@@ -238,6 +238,93 @@
       "\t}",
       "}"
     ]
+  },
+  	"Function-Advanced-Doc": {
+    "prefix": ["function-advanced-doc", "cmdlet-doc"],
+    "description": "Script advanced function definition with full comment-based help and parameter attributes.",
+    "body": [
+      "function ${1:Verb-Noun} {",
+      "\t<#",
+      "\t.SYNOPSIS",
+      "\tShort description",
+      "\t.DESCRIPTION",
+      "\tLong description",
+      "\t.EXAMPLE",
+      "\tExample of how to use this cmdlet",
+      "\t.EXAMPLE",
+      "\tAnother example of how to use this cmdlet",
+      "\t.INPUTS",
+      "\tInputs to this cmdlet (if any)",
+      "\t.OUTPUTS",
+      "\tOutput from this cmdlet (if any)",
+      "\t.NOTES",
+      "\tGeneral notes",
+      "\t.COMPONENT",
+      "\tThe component this cmdlet belongs to",
+      "\t.ROLE",
+      "\tThe role this cmdlet belongs to",
+      "\t.FUNCTIONALITY",
+      "\tThe functionality that best describes this cmdlet",
+      "\t#>",
+      "\t[CmdletBinding(DefaultParameterSetName = 'Parameter Set 1',",
+      "\t\tSupportsShouldProcess = $true,",
+      "\t\tPositionalBinding = $false,",
+      "\t\tHelpUri = 'http://www.microsoft.com/',",
+      "\t\tConfirmImpact = 'Medium')]",
+      "\t[Alias()]",
+      "\t[OutputType([String])]",
+      "\tparam (",
+      "\t\t# Param1 help description",
+      "\t\t[Parameter(Mandatory = $true,",
+      "\t\t\tValueFromPipeline = $true,",
+      "\t\t\tValueFromPipelineByPropertyName = $true,",
+      "\t\t\tValueFromRemainingArguments = $false,",
+      "\t\t\tPosition = 0,",
+      "\t\t\tParameterSetName = 'Parameter Set 1')]",
+      "\t\t[ValidateNotNull()]",
+      "\t\t[ValidateNotNullOrEmpty()]",
+      "\t\t[ValidateCount(0, 5)]",
+      "\t\t[ValidateSet(\"sun\", \"moon\", \"earth\")]",
+      "\t\t[Alias(\"p1\")]",
+      "\t\t$Param1,",
+      "",
+      "\t\t# Param2 help description",
+      "\t\t[Parameter(ParameterSetName = 'Parameter Set 1')]",
+      "\t\t[AllowNull()]",
+      "\t\t[AllowEmptyCollection()]",
+      "\t\t[AllowEmptyString()]",
+      "\t\t[ValidateScript({ $true })]",
+      "\t\t[ValidateRange(0, 5)]",
+      "\t\t[int]",
+      "\t\t$Param2,",
+      "",
+      "\t\t# Param3 help description",
+      "\t\t[Parameter(ParameterSetName = 'Another Parameter Set')]",
+      "\t\t[ValidatePattern(\"[a-z]*\")]",
+      "\t\t[ValidateLength(0, 15)]",
+      "\t\t[String]",
+      "\t\t$Param3",
+      "\t)",
+      "",
+      "\tbegin {",
+      "\t\t#BeginCodeHere",
+      "\t}",
+      "",
+      "\tprocess {",
+      "\t\tif ($pscmdlet.ShouldProcess(\"Target\", \"Operation\")) {",
+      "\t\t\t#ProcessCodeHere",
+      "\t\t}",
+      "\t}",
+      "",
+      "\tend {",
+      "\t\t#EndCodeHere",
+      "\t}",
+      "",
+      "\tclean {",
+      "\t\t#CleanCodeHere - Added in 7.3 for more information see https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_functions_advanced_methods?view=powershell-7.5#clean",
+      "\t}",
+      "}"
+    ]
   },
   "Function-Inline": {
     "prefix": "function-inline",