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Latest revision as of 23:55, 18 June 2023

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This template was imported from commons:Template:Fallback without the here unusable documentation.

Use localised subpage for the user language with fallback to {{CONTENTLANGUAGE}}

Template parameters[Edit template data]
Parameter		Description	Type	Status
page	`1`	Template name	Page name	required
lang	`2`	override user language on localised page Default {{int:Lang}}	String	optional

@@ Line 1: / Line 1: @@
+{{#ifexist: Template:{{{1|}}}/{{#if: {{{2|}}} |{{{2}}}|{{int:Lang}}}} |{{#if: {{{2|}}} |{{{2}}}|{{int:Lang}}}}|{{CONTENTLANGUAGE}}}}<noinclude>
-local p = {}
-local langlist = {
- ['af']         = {'nl'},
- ['als']        = {'de'},
- ['arz']        = {'ar'},
- ['bar']        = {'de'},
- ['be-x-old']   = {'be-tarask'},
- ['br']         = {'fr'},
- ['ckb']        = {'fa'},
- ['co']         = {'fr'},
- ['crh-cyrl']   = {'crh'},
- ['crh-latn']   = {'crh'},
- ['de-ch']      = {'de'},
- ['de-formal']  = {'de'},
- ['de-formal']  = {'de'},
- ['en-gb']      = {'en'},
- ['frp']        = {'fr'},
- ['frr']        = {'de'},
- ['fy']         = {'nl'},
- ['glk']        = {'fa'},
- ['hif-deva']   = {'hif'},
- ['hif-latn']   = {'hif'},
- ['ht']         = {'fr'},
- ['ike-cans']   = {'ik'},
- ['kk-arab']    = {'kk'},
- ['kk-cn']      = {'kk'},
- ['kk-cyrl']    = {'kk'},
- ['kk-kz']      = {'kk'},
- ['kk-latn']    = {'kk'},
- ['kk-tr']      = {'kk'},
- ['ksh']        = {'de'},
- ['ku-arab']    = {'ku'},
- ['ku-latn']    = {'ku'},
- ['li']         = {'nl'},
- ['mg']         = {'fr'},
- ['mzn']        = {'fa'},
- ['nds']        = {'nds-nl', 'de'},
- ['nds-nl']     = {'nds', 'nl'},
- ['nl-informal']= {'nl'},
- ['pdt']        = {'nds', 'de'},
- ['pt-br']      = {'pt'},
- ['ruq-grek']   = {'ruq'},
- ['rug-latn']   = {'ruq'},
- ['ruq-cyrl']   = {'ruq'},
- ['sr-ec']      = {'sr'},
- ['sr-el']      = {'sr'},
- ['szl']        = {'pl'},
- ['tg-cyrl']    = {'tg'},
- ['tg-latn']    = {'tg'},
- ['tt-cyrl']    = {'tt'},
- ['tt-latn']    = {'tt'},
- ['ty']         = {'fr'},
- ['vec']        = {'it'},
- ['vls']        = {'nl'},
- ['wa']         = {'fr'},
- ['zea']        = {'nl'},
- ['zh']         = {'zh-hans'},
- ['zh-cn']      = {'zh-hans'},
- ['zh-hans']    = {'zh-cn', 'zh'},
- ['zh-hant']    = {'zh'},
- ['zh-hk']      = {'zh-hant'},
- ['zh-mo']      = {'zh-hant'},
- ['zh-my']      = {'zh-hans'},
- ['zh-sg']      = {'zh-hans'},
- ['zh-tw']      = {'zh-hant'}
-}
+{{documentation}}
-function p.fblist(args, lang) -- creates a list a fallback languages from user's language to en
+</noinclude>
-	local fbstr = p.fallbackloop(args, ' ' .. lang)
-	fbstr = fbstr .. ' ' .. 'default'
-	fbstr = fbstr .. ' ' .. 'en'
-	return mw.text.split(fbstring, " ", true)
-end
-function p.fallbackloop(args, str)  --list of fallback languages in   a string, more convenient than tables
-	local newstr = str
-	for i, j in pairs(mw.text.split(str, " ", true)) do
-		if langlist[j] then
-			for k, l in pairs(langlist[j]) do
-				if not string.find(newstr, k) then
-					newstr = newstr .. ' ' .. k
-				end
-			end
-		end
-	end
-	if newstr ~= str then
-		return p.fallbackloop(args, newstr)
-	end
-	return newstr
-end
-function p.langSwitch(frame)
-	args = mw.getCurrentFrame():getParent().args
-	-- Return error if there is not default and no english version
-	if not args.en and not args.default and args.nocat ~= '1' then
-		return frame:expandTemplate{ title = "red", args = {'LangSwitch error: no default'}} .. '[[Category:LangSwitch template without default version]]'
-	end
-	-- get language (either stated one or user's default language)
-	local lang = args.lang
-	if not lang then
-		lang = frame:preprocess( "{{int:lang}}" )
-	end
-	-- gets the most appropriate language
-	local fblist = p.fblist(args, lang)
-	text = ''
-	for i in pairs(fblist) do text = text .. i end
-	return text
-end
-return p