Module:Suppress categories: Difference between revisions

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VisualWikitext
Template:Infobox>MusikBot II
m Changed protection settings for "Module:Suppress categories": High-risk template or module: 2510 transclusions (more info) ([Edit=Require extended confirmed access] (indefinite) [Move=Require extended confirmed access] (indefinite))
 
m Changed protection settings for "Template:Suppress categories": High-risk template or module: 2612 transclusions (more info) ([Edit=Require extended confirmed access] (indefinite) [Move=Require extended confirmed access] (indefinite))
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-- This is a simple module to strip categories from wikitext. It does
<includeonly>{{{{{|safesubst:}}}#invoke:Suppress categories|main}}</includeonly><noinclude>
-- not support nested links or magic words like __TOC__, etc. Even so,
{{documentation}}
-- it should still handle most categories.
<!-- Categories go on the /doc subpage and interwikis go on Wikidata. -->
 
</noinclude>
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

Revision as of 13:00, 26 November 2022

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