[+] update FastSelect

1. sort buffers
    based on last access time;

dotfiles/.vim/online_fxreader_pr34_vim/beta.py

@@ -42,6 +42,7 @@ class FastSelect:
 		)
 
 		self._buffer_frequency : dict[int, int] = dict()
+		self._buffer_last_used : dict[int, int] = dict()
 
 		self._queue : collections.deque[Callable[[], None]] = collections.deque()
 		self._lock = threading.Lock()
@@ -108,7 +109,8 @@ augroup END
 
 			res_sorted = sorted(
 				res,
-				key=lambda x:  -self._buffer_frequency.get(x[1], 0)
+				# key=lambda x:  -self._buffer_frequency.get(x[1], 0)
+				key=lambda x:  -self._buffer_last_used.get(x[1], 0)
 			)
 
 			self.loop.call_soon_threadsafe(
@@ -197,17 +199,36 @@ augroup END
 				# )
 
 	def on_buf_enter(self) -> None:
+		result = asyncio.run_coroutine_threadsafe(
+			self._on_buf_enter(
+				buf_number=vim.current.buffer.number,
+				buf_name=pathlib.Path(vim.current.buffer.name),
+			),
+			self.loop
+		)
+
+		result.add_done_callback(future_dump_exception)
+
+	async def _on_buf_enter(
+		self,
+		buf_number: int,
+		buf_name: pathlib.Path,
+	) -> None:
+		# logger.info(dict(msg='waiting'))
+
 		with self._lock:
-			buf_number = vim.current.buffer.number
+			# buf_number = vim.current.buffer.number
 
 			if not buf_number in self._buffer_frequency:
 				self._buffer_frequency[buf_number] = 0
 
 			self._buffer_frequency[buf_number] += 1
 
+			self._buffer_last_used[buf_number] = datetime.datetime.now().timestamp()
+
 			logger.info(dict(
 				msg='updated',
-				buf_path=vim.current.buffer.name,
+				buf_path=str(buf_name),
 				frequency=self._buffer_frequency[buf_number],
 				buf_number=buf_number,
 			))