Module:If preview/configuration

Documentation for this module may be created at Module:If preview/configuration/doc

local revision_id = mw.getCurrentFrame():preprocess('{{REVISIONID}}')
-- {{REVISIONID}} is usually the empty string when previewed.
-- I don't know why we're checking for nil but hey, maybe someday things
-- would have broken
local is_preview = revision_id == nil or revision_id == ''

return {
	is_preview
}