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Difference between revisions of "Module:Unsubst"

(add tracking category per protected edit request by User:Jackmcbarn)
 
m (1 revision)
 
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Latest revision as of 15:01, 14 October 2015

local p = {} local specialParams = { ['$N'] = 'template name', -- Deprecated, but keeping until it is removed from transcluding templates ['$B'] = 'template content', } p[''] = function ( frame ) if not frame:getParent() then error( '{{#invoke:Unsubst|}} makes no sense without a parent frame' ) end if not frame.args['$B'] then error( '{{#invoke:Unsubst|}} requires parameter $B (template content)' ) end if mw.isSubsting() then ---- substing -- Combine passed args with passed defaults local args = {} for k, v in pairs( frame.args ) do if not specialParams[k] then if v == '__DATE__' then v = mw.getContentLanguage():formatDate( 'F Y' ) end args[k] = v end end for k, v in pairs( frame:getParent().args ) do args[k] = v end -- Build an equivalent template invocation -- First, find the title to use local titleobj = mw.title.new(frame:getParent():getTitle()) local title if titleobj.namespace == 10 then -- NS_TEMPLATE title = titleobj.text elseif titleobj.namespace == 0 then -- NS_MAIN title = ':' .. titleobj.text else title = titleobj.prefixedText end -- Build the invocation body with numbered args first, then named local ret = '{{' .. title for k, v in ipairs( args ) do if string.find( v, '=', 1, true ) then -- likely something like 1=foo=bar, we need to do it as a named arg break end ret = ret .. '|' .. v args[k] = nil end for k, v in pairs( args ) do ret = ret .. '|' .. k .. '=' .. v end return ret .. '}}' else ---- Not substing -- Just return the "body" return frame.args['$B'] .. (frame.args['$N'] and frame:getParent():getTitle() == mw.title.getCurrentTitle().prefixedText and '[[Category:Calls to Module:Unsubst that use $N]]' or '') end end return p