Module:Anchor/sandbox

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This module implements {{anchor}}. Please see the Template:Anchor/doc page for documentation.

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

-- This module implements {{anchor}}.

local getArgs = require('Module:Arguments').getArgs
local tableTools = require('Module:TableTools')

local p = {}

function p.main(frame)
	-- Get the positional arguments from #invoke, remove any nil values,
	-- and pass them to p._main.
	local args = getArgs(frame)
	local argArray = tableTools.compressSparseArray(args)
	return p._main(unpack(argArray))
end

function p._main(...)
	-- Generate the list of anchors.
	local anchors = {...}
	local ret = {}
	ret[#ret + 1] = '<span style="position: relative; top: -48px;z-index:-1;">'
	for _, anchor in ipairs(anchors) do
		ret[#ret + 1] = '<span id="' .. anchor .. '">&#8203;</span>'
	end
	ret[#ret + 1] = '</span>'
	return table.concat(ret)
end

return p