# Module:If preview

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local p = {}

local cfg = mw.loadData('Module:If preview/configuration')

--[[ main

This function returns either the first argument or second argument passed to this module, depending on whether the page is being previewed.

]] function p.main(frame) if cfg.preview then return frame.args[1] or else return frame.args[2] or end end

--[[ pmain

This function returns either the first argument or second argument passed to this module's parent (i.e. template using this module), depending on whether it is being previewed.

]] function p.pmain(frame) return p.main(frame:getParent()) end

local function warning_text(warning) return mw.ustring.format( cfg.warning_infrastructure, cfg.templatestyles, warning ) end

function p._warning(args)

local warning = args[1] and args[1]:match('^%s*(.-)%s*$') or if warning == then return warning_text(cfg.missing_warning) end

if not cfg.preview then return end

return warning_text(warning) end

--[[ warning

This function returns a "preview warning", which is the first argument marked up with HTML and some supporting text, depending on whether the page is being previewed.

disabled since we'll implement the template version in general

]] --function p.warning(frame) -- return p._warning(frame.args) --end

--[[ warning, but for pass-through templates like Template:Preview warning ]] function p.pwarning(frame) return p._warning(frame:getParent().args) end

return p

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