Module:Studio debug

Documentation for this module may be created at Module:Studio debug/doc

-- Temporary. Shows what the parser hands back to Lua from an #ask, with the
-- invisible parts made visible: strip markers as <MARKER>, angle brackets
-- escaped. Delete once Module:Studio sessions is behaving.

local p = {}

local function visible( s )
	s = ( s or "" ):gsub( "\127[^\127]*\127", "<MARKER>" )
	s = s:gsub( "&", "&amp;" ):gsub( "<", "&lt;" ):gsub( ">", "&gt;" )
	return s
end

function p.raw( frame )
	local who = frame.args[1] or "Harry Clark"
	local raw = frame:callParserFunction( "#ask", {
		"[[Has performer::" .. who .. "]]",
		"?Has track name=track",
		"?Has track number=number",
		"?Has instrument=instrument",
		"mainlabel=record",
		"format=plainlist",
		"link=none",
		"sep=@@",
		"template=Studio appearance row",
		"searchlabel=",
		"limit=200",
	} )
	local unstripped = mw.text.unstrip( raw or "" )
	return "<pre>BEFORE: " .. visible( raw )
		.. "\nAFTER:  " .. visible( unstripped ) .. "</pre>"
end

return p