--[[

-- This module produces a "For a broader coverage related to this topic" link. It implements

-- the {{broader}} template.

--]]

 

local mHatlist = require('Module:Hatnote list')

local mHatnote = require('Module:Hatnote')

local mArguments -- lazily initialize

local mTableTools --lazily initialize



local p = {}



local s = { --localizable strings

	broaderForm = 'For broader coverage of %s, see %s.',

	defaultTopic = 'this topic'

}



function p.broader(frame)

	mArguments = require('Module:Arguments')

	mTableTools = require('Module:TableTools')

	local originalArgs = mArguments.getArgs(frame, {parentOnly = true})

	local args = mTableTools.compressSparseArray(originalArgs)

	-- re-add non-numeric arguments omitted by compressSparseArray

	for _, name in pairs({'category', 'selfref', 'topic'}) do

		argsname = originalArgsname

	end

	return p._broader(args)

end



function p._broader(args)

	if not args1 then

		return mHatnote.makeWikitextError(

			'no page name specified',

			'Template:Broader#Errors',

			args.category

		)

	end

	local list = mHatlist.andList(args, true)

	local topic = args.topic or s.defaultTopic

	local text = string.format(s.broaderForm, topic, list)

	options = {selfref = args.selfref}

	return mHatnote._hatnote(text, options)

end



return p