local checkType = require('libraryUtil').checkType
local p = {}
local BODY_PARAM = '$B'
function p.main(frame, body)
-- If we are substing, this function returns a template invocation, and if
-- not, it returns the template body. The template body can be specified in
-- the body parameter, or in the template parameter defined in the
-- BODY_PARAM variable. This function can be called from Lua or from
-- #invoke.
-- Return the template body if we aren't substing.
if not mw.isSubsting() then
if body ~= nil then
return body
elseif frame.args[BODY_PARAM] ~= nil then
return frame.args[BODY_PARAM]
else
error(string.format(
"no template content specified (use parameter '%s' from #invoke)",
BODY_PARAM
), 2)
end
end
-- Sanity check for the frame object.
if type(frame) ~= 'table'
or type(frame.getParent) ~= 'function'
or not frame:getParent()
then
error(
"argument #1 to 'main' must be a frame object with a parent " ..
"frame available",
2
)
end
-- Find the invocation name.
local mTemplateInvocation = require('Module:Template invocatoin')
local name = mTemplateInvocation.name(frame:getParent():getTitle())
-- Combine passed args with passed defaults, and substitute magic words.
local args = {}
for k, v in pairs(frame.args) do
if k ~= BODY_PARAM then
if v == '__DATE__' then
v = mw.getContentLanguage():formatDate('F Y')
end
args[k] = v
end
end
for k, v in pairs(frame:getParent().args) do
args[k] = v
end
return mTemplateInvocation.invocation(name, args)
end
p[''] = p.main -- For backwards compatibility
return p
