Module:glossary

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local export = {}

local gsub = mw.ustring.gsub

function format_def (term, definition)
	local anchor = gsub(term, "%[%[([^%]]+)%]%]", "%1") -- Remove wikilinks
	anchor = gsub(anchor, "^%w+:", "") -- Remove interwiki prefixes
	
	return "; <span id=\""..anchor.."\">"..term.."</span>\n: "..definition
end

function export.def (frame)
	local params = {
		[1] = { required = true, default = "", },
		[2] = { required = true, default = "", },
	}
	
	local args = require("Module:parameters").process(frame:getParent().args, params)
	
	local term = args[1]
	local definition = args[2]
	
	return format_def (term, definition)
end

function export.link(frame)
	local args = frame:getParent().args
	
	local anchor, text = args[1] or "", args[2]
	if text and text:match "^%s*$" then
		text = nil
	end
	
	-- This won't work if the initial letter is non-ASCII.
	local lower_anchor = mw.ustring.lower(anchor)
	
	return "[[wikt:Appendix:Glossary#" .. lower_anchor .. "|" .. (text or anchor) .. "]]"
end

return export