Module:Taxonbar/exists/sandbox

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About

Checks the page for transclusions of {{Taxonbar}} and its redirects, returning true or false.

Usage

local taxonbarExists = require('Module:Taxonbar/exists').check

See also

• {{Taxonbar/candidate}}
• {{Taxobox/core}}

The above documentation is transcluded from Module:Taxonbar/exists/doc. (edit | history)
Editors can experiment in this module's sandbox (edit | diff) and testcases (create) pages.
Add categories to the /doc subpage. Subpages of this module.

local p = {}

function p.check( frame )
	local pagename = mw.title.getCurrentTitle().text
	local content = mw.title.new(pagename):getContent() or ''
-------sandbox only: do not include this if-statement in the live module!-------
	if string.match(pagename, 'sandbox') or
	   string.match(pagename, 'testcases') then
		content = mw.title.new(pagename, 'Template'):getContent() or ''
	end
-------sandbox only: do not include this if-statement in the live module!-------
	local getRegex = require('Module:Template redirect regex').main
	local tregex = getRegex('Taxonbar')
	for _, v in pairs (tregex) do
		local found = string.match(content, v)
		if found then
			local v_cmt_before = '%<%!%-%-%s*'..v
			local v_cmt_after  = v..'[^{}]*}}%s*-->'
			local found_cmt = mw.ustring.match(content, v_cmt_after) or 'nomatch'
			if found_cmt then return 'commented'
			else return true end
		end
	end
	return false
end

return p