Module:descendants

Underlies {{descendant}} and {{descendant tree}}.

---

local export = {}
local getArgs = require("Module:Arguments").getArgs
local m_links = require("Module:links")
local m_languages = require("Module:languages")
local m_inline = require("Module:inline")

function export.descendant(frame) -- {{desc|rad|word1|word2...}}
	local args = getArgs(frame)
	local out = ""
	local lang = m_languages.get_by_code(args[1])
	local borrowed = args["borrowed"] or args["bor"] or args["b"]
	local see_desc = args["see"]
	local noname = args["noname"]
	local lostcap = args["lost"] or "lost"
	
	if borrowed then out = "<span class=\"desc-arrow\" title=\"borrowed\">→</span>" .. out end
	
	if not noname then out = out .. lang.name .. ":&nbsp;" end
	
	if args[2] then
		local terms = {}
		local i = 2
		
		while args[i] do
			local term, term_args = m_inline.parse(args[i])
			
			table.insert(terms, m_links.full_link({
					language = lang,
					term = term,
					alt = term_args.alt,
					anchor = term_args.anchor or term_args.a,
					gloss = term_args.t,
					pos = term_args.pos,
					nobold = true,
				})
			)

			i = i + 1	
		end
		
		out = out .. table.concat(terms, ", ")
		
		if see_desc then out = out .. frame:expandTemplate{ title = 'see descendants' } end
	else
		out = out .. "— (''" .. lostcap .. "'')"
	end
	
	return out
end

return export

--[[
Debug console test string:
=p.descendant(mw.getCurrentFrame():newChild{title="whatever",args={"rad"}})
]]--