Module:Citation/CS1/Utilities: Difference between revisions

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 end
-return {is_set = is_set, z=z}											-- return exported functions and tables
+--[[--------------------------< I N _ A R R A Y >--------------------------------------------------------------
+Whether needle is in haystack
+]]
+local function in_array( needle, haystack )
+	if needle == nil then
+		return false;
+	end
+	for n,v in ipairs( haystack ) do
+		if v == needle then
+			return n;
+		end
+	end
+	return false;
+end
+--[[--------------------------< S U B S T I T U T E >----------------------------------------------------------
+Populates numbered arguments in a message string using an argument table.
+]]
+local function substitute( msg, args )
+	return args and mw.message.newRawMessage( msg, args ):plain() or msg;
+end
+--[[--------------------------< E R R O R _ C O M M E N T >----------------------------------------------------
+Wraps error messages with css markup according to the state of hidden.
+]]
+local function error_comment( content, hidden )
+	return substitute( hidden and cfg.presentation['hidden-error'] or cfg.presentation['visible-error'], content );
+end
+return {is_set=is_set, in_array=in_array, substitute=substitute, error_comment=error_comment, z=z}			-- return exported functions and tables