require('strict')
local newBuffer = require('Module:OutputBuffer')
local mt = {}
function mt.__index(t, title)
return function(frame)
local getBuffer, print, printf = newBuffer()
printf('{{%s', title)
local ipairsArgs = {}
for k,v in ipairs(frame.args) do
if string.find(v, '=', 1, true) then
break
end
ipairsArgs[k] = true
printf('|%s', v)
end
for k,v in pairs(frame.args) do
if not ipairsArgs[k] then
printf('|%s=%s', string.gsub(k, '=', '{{=}}'), v)
end
end
print('}}')
local buffer = getBuffer()
-- rather than calling expandTemplate with the title and args we have, call preprocess, so that our code example will always match our output, even in the cases of pipes or other things we should have escaped but didn't
return string.format('<code>%s</code> → %s', mw.text.nowiki(buffer), frame:preprocess(buffer))
end
end
return setmetatable({}, mt)
