Module:Link: Difference between revisions

Module:Link (edit)

734 bytes added , 17 April 2020

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3,617

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@@ Line 1: / Line 1: @@
 local str = {}
-function str.producer( content )
+function str.producer( frame )
-	-- if content == '' then
+	local new_args = str._getParameters( frame.args, { 'source' } )
-	-- 	return content
+	local content = new_args['source'] or ''
-	-- end
+	if content == '' then
+		return content
+	end
-	-- for _i, subject in ipairs({ 'Billy Corgan', 'Butch Vig' }) do
+	for _i, subject in ipairs({ 'Billy Corgan', 'Butch Vig' }) do
-	-- 	mw.ustring.gsub( content, subject, '[[:Category:Songs produced by ' .. subject .. '|' .. subject .. ']]' )
+		mw.ustring.gsub( content, subject, '[[:Category:Songs produced by ' .. subject .. '|' .. subject .. ']]' )
-	-- end
+	end
-	return content .. 'foo'
+	return content
+end
+--[[
+Helper function that populates the argument list given that user may need to use a mix of
+named and unnamed parameters.  This is relevant because named parameters are not
+identical to unnamed parameters due to string trimming, and when dealing with strings
+we sometimes want to either preserve or remove that whitespace depending on the application.
+]]
+function str._getParameters( frame_args, arg_list )
+	local new_args = {}
+	local index = 1
+	local value
+	for _, arg in ipairs( arg_list ) do
+		value = frame_args[arg]
+		if value == nil then
+			value = frame_args[index]
+			index = index + 1
+		end
+		new_args[arg] = value
+	end
+	return new_args
 end
 return str