Mô đun:Unsubst

Văn thư lưu trữ mở Wikisource
Bước tới điều hướng Bước tới tìm kiếm
Tài liệu mô đun[xem] [sửa] [lịch sử] [làm mới]

Helper module to facilitate a substituted template transform into a template transclusion.

Maintenance templates, such as {{Citation needed}} or {{Refimprove}}, should never be substituted. A trick to avoid that is to make a template substitute to its transcluded form.

Infoboxes should use Module:Unsubst-infobox, as should any other templates with parameters listed in block format by default.


To turn a template into a self-substituting template, wrap the existing template code with:

{{SAFESUBST:<noinclude />#invoke:Unsubst||$B=

 [ ... existing template code ... ]


The wikitext to display when not substed must be given as "$B". All other parameters passed to the #invoke will be copied to the generated template invocation as default values. If the value of any of these default parameters is __DATE__, that value in the generated template invocation will be the current month and year.

Some templates have a Bản mẫu:Tag but no matching Bản mẫu:Tag at the end of the template. In such cases the missing Bản mẫu:Tag must be added before the ending Bản mẫu:)).


{{SAFESUBST:<noinclude />#invoke:Unsubst||$params=[ parameters ]|$aliases=[ aliases ]|$flags=[ flags ]|$B=

 [ ... existing template code ... ]


Due to Lua limitations, parameters are normally ordered randomly when the template is substituted. |$params= can be used in #invoke:Unsubst to list template parameters in order, comma-separated (e.g. egg,bacon,sausage,cheese,spam). Numbered parameters should be before others in the list. Any remaining parameters are tacked onto the end of the generated invocation.

Parameter aliases can be listed in |$aliases= (and shouldn't be listed in |$params=), and will be replaced automatically. Each alias and its replacement should be formatted as alias>replacement, and each of those pairs should be comma-separated (e.g. œuf>egg,melt>cheese). Note that this parameter can function with or without |$params=.

Parameter |$flags= can be used to modify other facets of the module's behaviour; entries are comma-separated. Valid flags are override (allows parameters in the #invoke: to take precedence over parameters in the original template invocation); keep-whitespace (prevents whitespace from being trimmed from unnamed parameters); and remove-empty (removes empty parameters).

These parameters can be manipulated using parser functions to provide more complicated options (note that in the parameters any parser function, or template or module invocation, should also have SAFESUBST:<noinclude />).


Consider a template Template:Example containing the following code:

{{SAFESUBST:<noinclude />#invoke:Unsubst||foo=bar |date=__DATE__ |$B=

 [ ... Template code goes here ... ]

Original Result
Bản mẫu:Tlsc {{Example|date=tháng 6 2023}}
Bản mẫu:Tlsc {{Example|foo=X|date=tháng 6 2023}}
Bản mẫu:Tlsc {{Example|baz=X|date=tháng 6 2023}}
Bản mẫu:Tlsc {{Example|foo=bar|date=January 2001}}

local p = {}

local specialParams = {
	['$N'] = 'tên bản mẫu', -- Deprecated, but keeping until it is removed from transcluding templates
	['$B'] = 'nội dung bản mẫu',

p[''] = function ( frame )
	if not frame:getParent() then
		error( '{{#gọi:Unsubst|}} vô lý vì không có khung mẹ' )
	if not frame.args['$B'] then
		error( '{{#gọi:Unsubst|}} cần tham số $B (nội dung bản mẫu)' )
	if mw.isSubsting() then
		---- substing
		-- Combine passed args with passed defaults
		local args = {}
		for k, v in pairs( frame.args ) do
			if not specialParams[k] then
				if v == '__DATE__' then
					v = mw.getContentLanguage():formatDate( '"tháng" n "năm" Y' )
				args[k] = v
		for k, v in pairs( frame:getParent().args ) do
			args[k] = v

		-- Build an equivalent template invocation
		-- First, find the title to use
		local titleobj = mw.title.new(frame:getParent():getTitle())
		local title
		if titleobj.namespace == 10 then -- NS_TEMPLATE
			title = titleobj.text
		elseif titleobj.namespace == 0 then -- NS_MAIN
			title = ':' .. titleobj.text
			title = titleobj.prefixedText

		-- Build the invocation body with numbered args first, then named
		local ret = '{{' .. title
		for k, v in ipairs( args ) do
			if string.find( v, '=', 1, true ) then
				-- likely something like 1=foo=bar, we need to do it as a named arg
			ret = ret .. '|' .. v
			args[k] = nil
		for k, v in pairs( args ) do
			ret = ret .. '|' .. k .. '=' .. v
		return ret .. '}}'
		---- Not substing
		-- Just return the "body"
		return frame.args['$B'] .. (frame.args['$N'] and frame:getParent():getTitle() == mw.title.getCurrentTitle().prefixedText and '[[Thể loại:Bản mẫu gọi Mô đun:Unsubst với $N]]' or '')

return p