Module:Labelled list hatnote - Revision history

Krizar: 1 revision imported

2026-01-04T10:27:42Z

1 revision imported

railos>Ahecht: Exclude section anchors from ifexists, properly show "no input" error message when ifexists=true

2025-05-28T18:18:35Z

Exclude section anchors from ifexists, properly show "no input" error message when ifexists=true

Krizar: 1 revision imported

2025-04-01T21:20:14Z

1 revision imported

wiki>Pppery: Don't Lua error when out of expensive parser function calls

2025-01-09T20:41:44Z

Don't Lua error when out of expensive parser function calls

Daniel: 1 revision imported

2022-07-30T06:54:54Z

1 revision imported

w>Nihiltres: Fixed iteration-and-removal bug

2022-06-08T23:33:35Z

Fixed iteration-and-removal bug

Daniel: 1 revision imported

2022-02-01T22:07:12Z

1 revision imported

w>Nihiltres: Enhanced with the ability to vary the label based on the namespace(s) of the target page(s), from sandbox

2021-10-16T01:46:20Z

Enhanced with the ability to vary the label based on the namespace(s) of the target page(s), from sandbox

Daniel: 1 revision imported

2021-05-06T17:48:55Z

1 revision imported

w>Nihiltres: Protected "Module:Labelled list hatnote": Highly visible template ([Edit=Require template editor access] (indefinite) [Move=Require template editor access] (indefinite))

2017-02-02T05:26:53Z

Protected "Module:Labelled list hatnote": Highly visible template ([Edit=Require template editor access] (indefinite) [Move=Require template editor access] (indefinite))

New page

--------------------------------------------------------------------------------
-- Labelled list --
-- --
-- This module does the core work of creating a hatnote composed of a list --
-- prefixed by a colon-terminated label, i.e. "LABEL: [andList of pages]", --
-- for {{see also}} and similar templates. --
--------------------------------------------------------------------------------

local mHatnote = require('Module:Hatnote')
local mHatlist = require('Module:Hatnote list')
local mArguments --initialize lazily
local p = {}

-- Defaults global to this module
local defaults = {
label = 'See also', --Final fallback for label argument
labelForm = '%s: %s',
prefixes = {'label', 'label ', 'l'},
template = 'Module:Labelled list hatnote'
}

-- Helper function that pre-combines display parameters into page arguments.
-- Also compresses sparse arrays, as a desirable side-effect.
function p.preprocessDisplays (args, prefixes)
-- Prefixes specify which parameters, in order, to check for display options
-- They each have numbers auto-appended, e.g. 'label1', 'label 1', & 'l1'
prefixes = prefixes or defaults.prefixes
local pages = {}
for k, v in pairs(args) do
if type(k) == 'number' then
local display
for i = 1, #prefixes do
display = args[prefixes[i] .. k]
if display then break end
end
local page = display and
string.format('%s|%s', string.gsub(v, '|.*$', ''), display) or v
pages[#pages + 1] = page
end
end
return pages
end

-- Produces a labelled pages-list hatnote.
-- The main frame (template definition) takes 1 or 2 arguments, for a singular
-- and (optionally) plural label respectively:
-- * {{#invoke:Labelled list hatnote|labelledList|Singular label|Plural label}}
-- The resulting template takes pagename & label parameters normally.
function p.labelledList (frame)
mArguments = require('Module:Arguments')
local labels = {frame.args[1] or defaults.label}
labels[2] = frame.args[2] or labels[1]
local template = frame:getParent():getTitle()
local args = mArguments.getArgs(frame, {parentOnly = true})
local pages = p.preprocessDisplays(args)
local options = {
extraclasses = frame.args.extraclasses,
category = args.category,
selfref = frame.args.selfref or args.selfref,
template = template
}
return p._labelledList(pages, labels, options)
end

function p._labelledList (pages, labels, options)
labels = labels or {}
if #pages == 0 then
return mHatnote.makeWikitextError(
'no page names specified',
(options.template or defaults.template) .. '#Errors',
options.category
)
end
label = (#pages == 1 and labels[1] or labels[2]) or defaults.label
local text = string.format(
options.labelForm or defaults.labelForm,
label,
mHatlist.andList(pages, true)
)
local hnOptions = {
extraclasses = options.extraclasses,
selfref = options.selfref
}
return mHatnote._hatnote(text, hnOptions)
end

return p

@@ Line 97: / Line 97: @@
 function p._labelledList (pages, labels, options)
 	if options.ifexists then
 		for k = #pages, 1, -1 do --iterate backwards to allow smooth removals
 			local v = pages[k]
-			local title = mw.title.new(getTarget(v), namespace)
+			if mw.ustring.sub(mw.text.trim(v), 1, 1) ~= "#" then
-			if (v == '') or title == nil or not exists(title) then
+				local title = mw.title.new(getTarget(v), namespace)
-				table.remove(pages, k)
+				if (v == '') or (title == nil) or not exists(title) then
 			end
 		end
@@ Line 119: / Line 123: @@
 	end
 	if #pages == 0 then
-		if options.ifexists then
+		if removednonexist then
 			mw.addWarning(
 				string.format(

@@ Line 86: / Line 86: @@
+	}
 	return p._labelledList(pages, labels, options)
 end
@@ Line 93: / Line 101: @@
 			local v = pages[k]
 			local title = mw.title.new(getTarget(v), namespace)
-			if (v == '') or title == nil or not title.exists then
+			if (v == '') or title == nil or not exists(title) then
 				table.remove(pages, k)
 			end

@@ Line 10: / Line 10: @@
 local mHatlist = require('Module:Hatnote list')
 local mArguments --initialize lazily
 local p = {}
@@ Line 18: / Line 19: @@
 	prefixes = {'label', 'label ', 'l'},
 	template = 'Module:Labelled list hatnote'
+}
@@ Line 26: / Line 35: @@
 	-- They each have numbers auto-appended, e.g. 'label1', 'label 1', & 'l1'
 	prefixes = prefixes or defaults.prefixes
-	local pages = {}
+	local indices = {}
 	for k, v in pairs(args) do
 		if type(k) == 'number' then
 			local display
 			for i = 1, #prefixes do
@@ Line 34: / Line 45: @@
 				if display then break end
 			end
-			local page = display and
+			sparsePages[k] = display and
 				string.format('%s|%s', string.gsub(v, '|.*$', ''), display) or v
 		end
 	end
 	return pages
 end
@@ Line 49: / Line 69: @@
 function p.labelledList (frame)
 	mArguments = require('Module:Arguments')
 	local labels = {frame.args[1] or defaults.label}
 	labels[2] = frame.args[2] or labels[1]
@@ Line 57: / Line 78: @@
 	local pages = p.preprocessDisplays(args)
 	local options = {
 		extraclasses = frame.args.extraclasses,
-		category = args.category,
+		ifexists = yesno(frame.args.ifexists),
-		selfref = frame.args.selfref or args.selfref,
+		namespace = frame.args.namespace or args.namespace,
 		template = template
+	}
@@ Line 66: / Line 89: @@
 function p._labelledList (pages, labels, options)
 	labels = labels or {}
 	label = (#pages == 1 and labels[1] or labels[2]) or defaults.label
 	for k, v in pairs(pages) do
@@ Line 83: / Line 108: @@
 					(labels[4] or labels[2] or defaults.label)
 				) or defaults.label
 		end
 	end

@@ Line 51: / Line 51: @@
 	local labels = {frame.args[1] or defaults.label}
 	labels[2] = frame.args[2] or labels[1]
 	local template = frame:getParent():getTitle()
 	local args = mArguments.getArgs(frame, {parentOnly = true})
@@ Line 73: / Line 75: @@
 	end
 	label = (#pages == 1 and labels[1] or labels[2]) or defaults.label
 	local text = string.format(
 		options.labelForm or defaults.labelForm,