Module:Taglink

Documentation

This documentation is transcluded from Module:Taglink/doc. (Edit | history)
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Returns the page name of a documentation page. If the page isn’t available in the preferred language but is available in another one, a page that exists is returned using Mediawiki’s language fallbacks if possible.

Usage

{{#invoke:taglink | keypage | key= | lang=}}
{{#invoke:taglink | valuepage | key= | value= | lang=}}

where:

• key is the tag key.
• value is the tag value.
• lang is the language code of the preferred language.

See also

• Module:CuisineTaglink
• Module:Tag

local p = {}

function p.docbylanguage(page, lang) 
	if not mw.wikibase then
		return '<span class="error">' .. "The OSM wiki is experiencing technical difficulties. Infoboxes will be restored soon." .. '</span>'
	end

	local dataitem = mw.wikibase.getEntityIdForTitle(page)
	if not dataitem then
		return '<span class="error">' .. "Data item not found. Check your spelling." .. '</span>'
	end

	local pages = mw.wikibase.getBestStatements(dataitem, 'P31') -- documentation wiki pages
	if #pages == 0 then
		return page -- red link to English page title
	end

	local fallbacks = mw.language.getFallbacksFor(lang)
	table.insert(fallbacks, 1, lang)

	-- find relevant page
	for _, language in ipairs(fallbacks) do
		for _, translation in ipairs(pages) do
			if translation.mainsnak.datavalue.value.language == language then
				return translation.mainsnak.datavalue.value.text
			end
		end
	end
	
	-- find any page
	return pages[1].mainsnak.datavalue.value.text
end

function p.keypage(frame) 
	return p.docbylanguage('Key:' .. frame.args['key'],
		frame.args['lang'])
end

function p.valuepage(frame) 
	return p.docbylanguage('Tag:' .. frame.args['key'] .. '=' .. frame.args['value'],
		frame.args['lang'])
end

return p