Module:Comma separated entries

local p = {}

local function _main( args ) local sep = mw.message.new( 'comma-separator' ):plain return table.concat( args, sep ) end

function p.main( frame ) local origArgs if frame == mw.getCurrentFrame then -- We're being called via #invoke. If the invoking template passed any arguments, -- use them. Otherwise, use the arguments that were passed into the template. origArgs = frame:getParent.args for k, v in pairs( frame.args ) do           origArgs = frame.args break end else -- We're being called from another module or from the debug console, so assume -- the arguments are passed in directly. origArgs = frame end -- Use integer args only, and allow for explicit positional arguments -- that are specified out of order, e.g.. -- After processing, the args can be accessed accurately from ipairs. local args = {} for k, v in pairs( origArgs ) do       if type( k ) == 'number' and k >= 1 and math.floor( k ) == k           and mw.ustring.match( v, '%S' ) -- Remove blank or whitespace values. then table.insert( args, k ) end end table.sort( args ) for i,v in ipairs( args ) do       args[ i ] = origArgs[ v ] -- Trim whitespace from all args. if type( args[ i ] ) == 'string' then args[ i ] = mw.text.trim( args[ i ] ) end end return _main( args ) end

return p