Module:Common
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Additional functions that are common to other modules. Although they could be called into templates the overhead call into lua would generally greater than using a built in mediawiki parser function where one exists.
When calling in to another module, use local com = require( "Module:Common")
. This will ensure consistency between modules.
local a = require('Module:Arguments') local com = {} function com.trim(object) --Use of while instead of if incase multiple whitespaces are present. if com.exists(object) then while string.sub(object, 1, 1) == ' ' do object = string.sub(object, 2) end while string.sub(object, string.len(object)) == ' ' do object = string.sub(object, 1, string.len(object) - 1) end end return object end function com.exists(object) if object == nil or object == '' then return false else return true end end function com.modulePagename(title) if title == nil then title = mw.title.getCurrentTitle() end local disambig = string.find(title, '%(') if string.sub(title, string.len(title)) == '%)' then local check = disambig while check do local check = string.find(title, '%(', check + 1) if check ~= 0 then disambig = check end end end title = string.sub(title, 1, disambig) return title end function com.pagename(frame) local args = a.getArgs(frame) return trim(com.modulePagename(args['title'])) end return com