Module:Anchor

From David's Wiki
Revision as of 18:40, 16 September 2019 by David (talk | contribs) (1 revision imported)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
\( \newcommand{\P}[]{\unicode{xB6}} \newcommand{\AA}[]{\unicode{x212B}} \newcommand{\empty}[]{\emptyset} \newcommand{\O}[]{\emptyset} \newcommand{\Alpha}[]{Α} \newcommand{\Beta}[]{Β} \newcommand{\Epsilon}[]{Ε} \newcommand{\Iota}[]{Ι} \newcommand{\Kappa}[]{Κ} \newcommand{\Rho}[]{Ρ} \newcommand{\Tau}[]{Τ} \newcommand{\Zeta}[]{Ζ} \newcommand{\Mu}[]{\unicode{x039C}} \newcommand{\Chi}[]{Χ} \newcommand{\Eta}[]{\unicode{x0397}} \newcommand{\Nu}[]{\unicode{x039D}} \newcommand{\Omicron}[]{\unicode{x039F}} \DeclareMathOperator{\sgn}{sgn} \def\oiint{\mathop{\vcenter{\mathchoice{\huge\unicode{x222F}\,}{\unicode{x222F}}{\unicode{x222F}}{\unicode{x222F}}}\,}\nolimits} \def\oiiint{\mathop{\vcenter{\mathchoice{\huge\unicode{x2230}\,}{\unicode{x2230}}{\unicode{x2230}}{\unicode{x2230}}}\,}\nolimits} \)

Documentation for this module may be created at Module:Anchor/doc

-- 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 = {}
	for _, anchor in ipairs(anchors) do
		ret[#ret + 1] = '<span id="' .. anchor .. '"></span>'
	end
	return table.concat(ret)
end

return p