Module:Lang links

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This documentation is transcluded from Module:Lang links/doc.

 --  __  __           _       _        _                        _ _       _        
 -- |  \/  | ___   __| |_   _| | ___ _| |    __ _ _ __   __ _  | (_)_ __ | | _____ 
 -- | |\/| |/ _ \ / _` | | | | |/ _ (_) |   / _` | '_ \ / _` | | | | '_ \| |/ / __|
 -- | |  | | (_) | (_| | |_| | |  __/_| |__| (_| | | | | (_| | | | | | | |   <\__ \
 -- |_|  |_|\___/ \__,_|\__,_|_|\___(_)_____\__,_|_| |_|\__, | |_|_|_| |_|_|\_\___/
                                                     -- |___/                      
require('strict') -- used for debugging purposes as it detects cases of unintended global variables

local p = {}

local function lang_list()
	-- This list was generated using the following manual process:
	--  1) run query https://quarry.wmcloud.org/query/83535 which collected all 
	--     the sub-templates on commons and save results into a spreadsheet
	--  2) download list of language codes supported by MediaWiki from
	--     https://gerrit.wikimedia.org/g/mediawiki/core/%2B/HEAD/includes/languages/data/Names.php
	--     In 2024-12 there were 556 supported languages
	--  3) remove sub-templates which are not names of supported languages. 
	--     Use case sensative vlookup ("VLOOKUP(TRUE, CHOOSE({1,2}, EXACT(
	--     lookup_value, lookup_array), return_array), 2, 0)". 
	--     in 2024-12 there were 232 supported languages used as subtemplates
	--  4) add a rank column to the spreadsheet (from 1 to 235)
	--  5) create "lang/rank" string, using "=CONCAT("'",A2,"/",E2,"', ")"
	--     or something similar
	--  6) sort the rows by the language code, per 
	--     https://en.wikipedia.org/wiki/Wikipedia:Language_order_poll
	--  7) copy the results below
	return {'abs/273', 'ace/256', 'af/71', 'als/79', 'am/139', 'an/108', 'ang/188', 
		'anp/250', 'ar/9', 'arq/106', 'ary/184', 'arz/109', 'as/105', 'ast/81', 'av/204', 
		'az/57', 'azb/217', 'ba/162', 'ban/148', 'bar/46', 'bcl/115', 'be/66', 
		'be-tarask/33', 'be-x-old/173', 'bg/42', 'bgn/143', 'bh/203', 'bho/144', 'bi/237', 
		'bjn/200', 'blk/145', 'bn/21', 'bo/232', 'br/74', 'bs/85', 'bug/254', 'ca/27', 
		'cdo/274', 'ce/111', 'ceb/140', 'ch/186', 'ckb/119', 'co/193', 'cs/17', 'csb/265', 
		'cu/179', 'cv/235', 'cy/70', 'da/34', 'dag/116', 'de/3', 'de-at/104', 'de-ch/102', 
		'de-formal/61', 'dga/228', 'diq/65', 'dsb/222', 'dtp/231', 'dv/199', 'el/41', 
		'en/1', 'en-ca/82', 'en-gb/73', 'eo/35', 'es/6', 'et/44', 'eu/49', 'ext/172', 
		'fa/29', 'fi/19', 'fiu-vro/263', 'fj/246', 'fo/205', 'fr/4', 'frc/243', 'frr/169', 
		'fy/84', 'ga/75', 'gag/253', 'gd/157', 'gl/31', 'gn/257', 'gor/258', 'gpe/240', 
		'grc/190', 'gsw/103', 'gu/69', 'ha/132', 'haw/171', 'he/38', 'hi/37', 'hr/36', 
		'hrx/247', 'hsb/117', 'ht/175', 'hu/14', 'hy/51', 'ia/135', 'id/30', 'ie/224', 
		'ig/149', 'ilo/233', 'inh/236', 'io/89', 'is/86', 'it/12', 'ja/10', 'jbo/152', 
		'jv/126', 'ka/56', 'kaa/129', 'kcg/146', 'khw/206', 'kjp/227', 'kk/80', 
		'kk-cyrl/150', 'km/101', 'kn/87', 'ko/24', 'ko-kp/113', 'krc/259', 'kri/268', 
		'ks-arab/239', 'ksh/166', 'ku/92', 'ku-arab/230', 'ku-latn/226', 'ky/94', 'la/110', 
		'lb/58', 'li/251', 'lmo/165', 'ln/255', 'lo/163', 'lt/54', 'ltg/262', 'lua/270', 
		'lv/63', 'lzh/147', 'mai/195', 'mdf/269', 'mg/91', 'mi/181', 'min/156', 'mk/2', 
		'ml/22', 'mn/155', 'mni/267', 'mnw/168', 'mo/244', 'mr/67', 'ms/48', 'ms-arab/219', 
		'mt/83', 'mwl/136', 'my/68', 'myv/208', 'mzn/124', 'nah/160', 'nan/178', 'nap/122', 
		'nb/45', 'nds/47', 'nds-nl/207', 'ne/76', 'new/229', 'nl/7', 'nl-informal/192', 
		'nn/55', 'no/52', 'nqo/260', 'nso/202', 'ny/141', 'nyo/266', 'oc/78', 'or/131', 
		'os/158', 'pa/125', 'pam/174', 'pap/213', 'pcd/167', 'pdc/261', 'pfl/242', 
		'pih/223', 'pl/13', 'pms/225', 'pnb/214', 'prg/189', 'ps/93', 'pt/8', 'pt-br/23', 
		'qu/159', 'rm/142', 'ro/40', 'ru/5', 'rw/183', 'sa/245', 'sah/196', 'sat/248', 
		'sc/137', 'scn/25', 'sco/112', 'sd/121', 'se/100', 'sh/130', 'shn/264', 'si/97', 
		'simple/118', 'sk/50', 'sl/18', 'sm/210', 'sma/238', 'smn/212', 'sn/161', 'so/123', 
		'sq/64', 'sr/43', 'sr-ec/215', 'sr-el/220', 'st/194', 'stq/209', 'su/127', 'sv/16', 
		'sw/120', 'syl/185', 'szl/134', 'ta/59', 'tcy/128', 'te/107', 'tg/98', 'tg-cyrl/151', 
		'th/39', 'tk/197', 'tl/72', 'tn/216', 'to/221', 'tok/170', 'tpi/180', 'tr/28', 
		'tt/99', 'tt-cyrl/211', 'ttj/272', 'tw/271', 'tyv/234', 'udm/252', 'ug/187', 'uk/11', 
		'ur/60', 'uz/77', 'vec/96', 'vi/32', 'vo/164', 'wa/218', 'war/153', 'wuu/182', 
		'xh/198', 'xmf/249', 'yi/133', 'yo/90', 'yue/95', 'za/241', 'zgh/201', 'zh/15', 
		'zh-classical/177', 'zh-cn/62', 'zh-hans/20', 'zh-hant/26', 'zh-hk/88', 'zh-mo/154', 
		'zh-my/138', 'zh-sg/114', 'zh-tw/53', 'zh-yue/191', 'zu/176'}
end

function p.lang_links(frame)
	local title, subpage
	local output = {}
    local page    = frame.args[1]
    local max_num = tonumber(frame.args[2] or '70')
	if (page) then
		title = mw.title.new(page)
	else
		title = mw.title.getCurrentTitle()
		page  = tostring( title.basePageTitle )
	end
	
	-- if /lang subpage found transclude it and we are done
	subpage = page .. '/lang'
	if mw.title.new(subpage).exists then
		return frame:expandTemplate{ title = subpage }
	end

	local list = lang_list()
	local output = {}
	for _, key in pairs( list ) do
		local v = mw.text.split( key, '/' )
		local lang = v[1]
		local rank = tonumber(v[2])
		if rank<=max_num then
			subpage = page .. '/' .. lang
			if mw.title.new(subpage).exists then
				local lname = mw.language.fetchLanguageName( lang, lang )
				table.insert(output, '[[' .. subpage .. '|<bdi lang="'..lang..'">'.. lname..'</bdi>]]')
			elseif lang=='en' then -- some pages have English version in the main template. Assume that is the case if /en subpage is missing.
				table.insert(output, '[[' .. page .. '|<bdi lang="en">English</bdi>]]')
			end
		end
	end 
	
	list = table.concat(output, '&nbsp;<b>∙</b>&#32;')
	return '<span class="plainlinks" style="font-size:small;line-height:1.4">'.. list.. '</span>'
end

function p.lang_links_external(frame)
	local args = require('Module:Arguments').getArgs(frame)
	local title, subpage, doc
	local output = {}
    local page    = args[1]
    local max_num = tonumber(args[2] or '500')
	if (page) then
		title = mw.title.new(page)
	else
		title = mw.title.getCurrentTitle()
		page  = tostring( title.basePageTitle )
	end
	doc = '<noinclude>\n\n[[Category:Language link templates|' .. tostring( title.baseText ) .. ']]\n</noinclude>'

	local list = lang_list()
	local output = {}
	for _, key in pairs( list ) do
		local v = mw.text.split( key, '/' )
		local lang = v[1]
		local rank = tonumber(v[2])
		if rank<=max_num then
			subpage = page .. '/' .. lang
			title = mw.title.new(subpage)
			if title.exists then
				local lname = mw.language.fetchLanguageName( lang, lang )
				table.insert(output, '[' .. title:fullUrl() .. ' <bdi class="language lang-'..lang..'" lang="'..lang..'">'.. lname..'</bdi>]')
			end
		end
	end 
	title = mw.title.new(page .. '/lang')
	table.insert(output, '{{edit|' .. title.prefixedText .. '}}')
	list = table.concat(output, '&nbsp;<b>∙</b>&#32;<!--\n-->')
	return '<span style="font-size:small;line-height:1.4" class="plainlinks noprint"><!--\n-->'.. list.. '<!--\n--></span>' .. doc
end

return p