Module:Suppress categories: Difference between revisions
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Latest revision as of 01:12, 15 November 2023
Documentation for this module may be created at Module:Suppress categories/doc
-- This is a simple module to strip categories from wikitext. It does -- not support nested links or magic words like __TOC__, etc. Even so, -- it should still handle most categories. local p = {} -- Detects if a category link is valid or not. If it is valid, -- the function returns the blank string. If not, the input -- is returned with no changes. local function processCategory( all, submatch ) local beforePipe = mw.ustring.match( submatch, '^(.-)[%s_]*|[%s_]*.-$' ) beforePipe = beforePipe or submatch if mw.ustring.match( beforePipe, '[%[%]<>{}%c\n]' ) then return all else return '' end end -- Preprocess the content if we aren't being called from #invoke, -- and pass it to gsub to remove valid category links. local function suppress( content, isPreprocessed ) if not isPreprocessed then content = mw.getCurrentFrame():preprocess( content ) end content = mw.ustring.gsub( content, '(%[%[[%s_]*[cC][aA][tT][eE][gG][oO][rR][yY][%s_]*:[%s_]*(.-)[%s_]*%]%])', processCategory ) return content end -- Get the content to suppress categories from, and find -- whether the content has already been preprocessed. (If the -- module is called from #invoke, it has been preprocessed already.) function p.main( frame ) local content, isPreprocessed if frame == mw.getCurrentFrame() then content = frame:getParent().args[1] if frame.args[1] then content = frame.args[1] end isPreprocessed = true else content = frame isPreprocessed = false end return suppress( content, isPreprocessed ) end return p