Module:For/sandbox: Difference between revisions

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Not to be confused with Module:For loop.

Implements {{for}}.

The above documentation is transcluded from Module:For/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 mArguments --initialize lazily
local mHatlist = require('Module:Hatnote list')
local mHatnote = require('Module:Hatnote')
local p = {}

--Implements {{For}} from the frame
--uses capitalized "For" to avoid collision with Lua reserved word "for"
function p.For (frame)
	mArguments = require('Module:Arguments')
	return p._For(mArguments.getArgs(frame))
end

--Implements {{For}} but takes a manual arguments table
function p._For (args)
	local use = args[1]
	if (not use) then
		return mHatnote.makeWikitextError(
			'no context parameter provided. Use {{other uses}} for "other uses" hatnotes.',
			'Template:For#Errors',
			args.category
		)
	end
	local pages = {}
	function two (a, b) return a, b, 1 end --lets us run ipairs from 2
	for k, v in two(ipairs(args)) do table.insert(pages, v) end
	return mHatnote._hatnote(
		mHatlist.forSeeTableToString({{use = use, pages = pages}}),
		{selfref = args.selfref}
	) .. (
			(use == 'other uses') and
			'[[Category:Hatnote templates with unusual parameters]]' or
			''
		)
end

return p