fix: Add validation on buffer & window in update

Author: MeanderingProgrammer

lua/render-markdown/health.lua

@@ -5,7 +5,7 @@ local M = {}
 
 ---@private
 ---@type string
-M.version = '5.1.2'
+M.version = '5.1.3'
 
 function M.check()
     vim.health.start('markdown.nvim [version]')

lua/render-markdown/ui.lua

@@ -39,9 +39,8 @@ end
 ---@param buf integer
 ---@param change boolean
 function M.debounce_update(buf, change)
-    -- Check that buffer and associated window are valid
     local win = util.buf_to_win(buf)
-    if not vim.api.nvim_buf_is_valid(buf) or not vim.api.nvim_win_is_valid(win) then
+    if not util.valid(buf, win) then
         return
     end
 
@@ -65,6 +64,10 @@ end
 ---@param win integer
 ---@param parse boolean
 function M.update(buf, win, parse)
+    if not util.valid(buf, win) then
+        return
+    end
+
     local config = state.get_config(buf)
     local buf_state = cache[buf]
 

lua/render-markdown/util.lua

@@ -16,6 +16,13 @@ function M.buf_to_win(buf)
     return vim.fn.bufwinid(buf)
 end
 
+---@param buf integer
+---@param win integer
+---@return boolean
+function M.valid(buf, win)
+    return vim.api.nvim_buf_is_valid(buf) and vim.api.nvim_win_is_valid(win)
+end
+
 ---@param buf integer
 ---@param win integer
 ---@return integer?