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2026-04-21T12:37:44Z

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wikt>WingerBot: WingerBot moved page Module:category tree/topic cat/utilities to Module:category tree/topic/utilities: rename category tree subpage per Wiktionary:Grease_pit/2025/February#cleaning_up_and_renaming_the_category_tree_modules

2025-04-28T05:02:49Z

WingerBot moved page Module:category tree/topic cat/utilities to Module:category tree/topic/utilities: rename category tree subpage per Wiktionary:Grease_pit/2025/February#cleaning_up_and_renaming_the_category_tree_modules

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local export = {}

local en_utilities_module = "Module:en-utilities"

local rsplit = mw.text.split

-- Add links to `label`. It operates as follows:
-- 1. If the singular equivalent of the label (which will be the label itself if the label doesn't end in -s) exists as
-- a term in Wiktionary and `no_singularize` isn't specified, link the label to the singular equivalent.
-- 2. Otherwise link the label directly, if it exists (as a term in Wiktionary).
-- 3. Otherwise, if the label is multiword, split the label into words, singularize the last word (unless
-- `no_singularize` is specified), and attempt to link each word individually. This fails if any of the linked words
-- don't exist in Wiktionary.
-- 4. Otherwise, if the label is multiword, split the label into words and link each word individually as-is, including
-- the last one. This fails if any of the linked words don't exist in Wiktionary.
-- 5. Finally, return the label unchanged.
--
-- FIXME: This should probably check if an English term exists for each linked term rather than that the term exists at
-- all.
--
-- If `wikify` is given, just link the singular equivalent of the label to Wikipedia unless `no_singularize` is given,
-- in which case the label is linked as-is to Wikipedia.
--
-- The main use of `no_singularize` is with plural-form terms that also exist in the singular but have special meanings
-- in the plural that are different from the corresponding singular (e.g. [[acoustics]] is not the plural of
-- [[acoustic]], but will be incorrectly linked as [[acoustic]]s unless `no_singularize` is given).
function export.link_label(label, no_singularize, wikify)
local function term_exists(term)
local title = mw.title.new(term)
return title and title.exists
end

local singular_label
if not no_singularize then
singular_label = require(en_utilities_module).singularize(label)
end

if wikify then
if singular_label then
return "[[w:" .. singular_label .. "|" .. label .. "]]"
else
return "[[w:" .. label .. "|" .. label .. "]]"
end
end

-- First try to singularize the label as a whole, unless 'no singularize' was given. If the result exists,
-- return it.
if singular_label and term_exists(singular_label) then
return "[[" .. singular_label .. "|" .. label .. "]]"
elseif term_exists(label) then
-- Then check if the original label as a whole exists, and return if so.
return "[[" .. label .. "]]"
else
-- Otherwise, if the label is multiword, split into words and try the link each one, singularizing the last
-- one unless 'no singularize' was given.
local split_label
if label:find(" ") then
if not no_singularize then
split_label = rsplit(label, " ")
for i, word in ipairs(split_label) do
if i == #split_label then
local singular_word = require(en_utilities_module).singularize(word)
if term_exists(singular_word) then
split_label[i] = "[[" .. singular_word .. "|" .. word .. "]]"
else
split_label = nil
break
end
else
if term_exists(word) then
split_label[i] = "[[" .. word .. "]]"
else
split_label = nil
break
end
end
end
if split_label then
split_label = table.concat(split_label, " ")
end
end

-- If we weren't able to link individual words with the last word singularized, link all words as-is.
if not split_label then
split_label = rsplit(label, " ")
for i, word in ipairs(split_label) do
if term_exists(word) then
split_label[i] = "[[" .. word .. "]]"
else
split_label = nil
break
end
end
if split_label then
split_label = table.concat(split_label, " ")
end
end
end

return split_label or label
end
end

return export

Module:category tree/topic/utilities - Revision history

Sware: 1 revision imported

wikt>WingerBot: WingerBot moved page Module:category tree/topic cat/utilities to Module:category tree/topic/utilities: rename category tree subpage per Wiktionary:Grease_pit/2025/February#cleaning_up_and_renaming_the_category_tree_modules