AppleScriptObjC Handler to List a Folder by FURL, Path, or Name

List_Folder_Handler.applescript

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# Auth: Christopher Stone
# dCre: 2018/11/30 16:19
# dMod: 2018/11/30 16:52
# Appl: AppleScriptObjC
# Task: List a Given Folder as type Furl, type Path, or by Name.
# Libs: None
# Osax: None
# Tags: @Applescript, @Script, @ASObjC, @List, @Folder, @Furl, @Path, @Name
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use AppleScript version "2.4"
use framework "Foundation"
use scripting additions
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set targetDir to path to downloads folder

set itemFurlList to my listFolder:targetDir returningAs:"furl"
set itemPathList to my listFolder:targetDir returningAs:"path"
set itemNameList to my listFolder:targetDir returningAs:"name"

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--» HANDLERS
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on listFolder:targetDir returningAs:returnType -- "furl", "path", "name"
	set NSDirectoryEnumerationSkipsHiddenFiles to a reference to 4
	set NSFileManager to a reference to current application's NSFileManager
	set {theURLs, theError} to NSFileManager's defaultManager()'s contentsOfDirectoryAtURL:targetDir includingPropertiesForKeys:{} options:(NSDirectoryEnumerationSkipsHiddenFiles) |error|:(reference)
	if theURLs is equal to missing value then error (theError's localizedDescription() as text)
	if returnType = "furl" then
		return theURLs as list
	else if returnType = "path" then
		return (theURLs's valueForKey:"path") as list
	else if returnType = "name" then
		return (theURLs's valueForKey:"lastPathComponent") as list
	end if
end listFolder:returningAs:
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