runtime(hare): update for Hare 0.25.2

closes: #18222

Signed-off-by: Amelia Clarke <selene@perilune.dev>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/autoload/dist/ft.vim

@@ -3,7 +3,7 @@ vim9script
 # Vim functions for file type detection
 #
 # Maintainer:		The Vim Project <https://github.com/vim/vim>
-# Last Change:		2025 Sep 04
+# Last Change:		2025 Sep 08
 # Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 # These functions are moved here from runtime/filetype.vim to make startup
@@ -441,29 +441,29 @@ export def FTfs()
   endif
 enddef
 
-# Recursively search for Hare source files in a directory and any
-# subdirectories, up to a given depth.
+# Recursively searches for Hare source files within a directory, up to a given
+# depth.
 def IsHareModule(dir: string, depth: number): bool
-  if depth <= 0
-    return !empty(glob(dir .. '/*.ha'))
+  if depth < 1
+    return false
+  elseif depth == 1
+    return !glob(dir .. '/*.ha')->empty()
   endif
 
-  return reduce(sort(glob(dir .. '/*', true, true),
-    (a, b) => isdirectory(a) - isdirectory(b)),
-    (acc, n) => acc
+  # Check all files in the directory before recursing into subdirectories.
+  return glob(dir .. '/*', true, true)
+    ->sort((a, b) => isdirectory(a) - isdirectory(b))
+    ->reduce((acc, n) => acc
       || n =~ '\.ha$'
-      || isdirectory(n)
-      && IsHareModule(n, depth - 1),
+      || isdirectory(n) && IsHareModule(n, depth - 1),
     false)
 enddef
 
-# Determine if a README file exists within a Hare module and should be given the
-# Haredoc filetype.
+# Determines whether a README file is inside a Hare module and should receive
+# the 'haredoc' filetype.
 export def FTharedoc()
-  if exists('g:filetype_haredoc')
-    if IsHareModule('<afile>:h', get(g:, 'haredoc_search_depth', 1))
-      setf haredoc
-    endif
+  if IsHareModule('<afile>:h', get(g:, 'filetype_haredoc', 1))
+    setf haredoc
   endif
 enddef