Module:Outdent: Difference between revisions

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(update per style guide (TPER))
 
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Latest revision as of 03:01, 8 February 2024

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

local p = {}
local getArgs = require('Module:Arguments').getArgs

function p.outdent (frame) 
	local args = getArgs(frame)
	local width = 0
	
	local reversed = args['reverse'] or args['indent'] or args['r'] or args['in']	-- aliases for reverse
	if not args[1] then args[1] = '' end                                        -- un-nil args[1]
	
	width = width + select(2, string.gsub(args[1],':',''))						-- increase by 1 for every :
	width = width + select(2, string.gsub(args[1],'*',''))						-- increase by 1 for every *
	width = width + select(2, string.gsub(args[1],'#','')) * 2					-- increase by 2 for every #
	
	if width == 0 then width = tonumber(args[1]) end							-- set width to args[1] if needed

	if not width then width = 10 end											-- default width
	if width < 0
	then
		width = -width
		reversed = not reversed
	end
	if width > 40 then width = 40 end											-- max width
	
	width = width * 1.6															-- set width to proper width
	
	local top = '<span style="display:block;width:' .. width .. 'em;height:0.5em;' .. (width == 0 and '' or 'border-bottom:1px solid #a2a9b1;') .. 'border-' .. ((width == 0 or reversed) and 'left' or 'right') ..':1px solid #a2a9b1;"></span>' -- top half
	local bottom = '<span style="display:block;width:' .. width .. 'em;height:0.5em;border-' .. (reversed and 'right' or 'left') .. ':1px solid #a2a9b1;"></span>' -- bottom half
	local note = args[2] and '<span>([[Wikipedia:Indentation#Outdenting|outdent]])&#32;</span>' or '' -- note
	
	return '<div class="outdent-template" style="position:relative;left:1px;">' .. top .. bottom .. note .. '</div>';
end

return p
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