Refactor oil and utils

home/.config/nvim/lua/utils.lua

@@ -9,17 +9,47 @@ function M.add_keymaps(maps)
 end
 
 function M.get_bufnr_for_filetype(filetype)
-    for _, buf in ipairs(vim.api.nvim_list_bufs()) do
-        if vim.bo[buf].filetype == filetype then
-            return buf
+    for _, bufnr in ipairs(vim.api.nvim_list_bufs()) do
+        if vim.api.nvim_buf_is_loaded(bufnr) and M.is_buf_filetype(bufnr, filetype) then
+            return bufnr
         end
     end
-
     return nil
 end
 
 function M.is_buf_filetype(bufnr, filetype)
-    return vim.bo[bufnr].filetype == filetype
+    return vim.api.nvim_buf_get_option(bufnr, "filetype") == filetype
+end
+
+function M.lock_buf_to_window(win_id, bufnr, filetype_check)
+    local augroup_id = vim.api.nvim_create_augroup("LockWindow" .. win_id, { clear = true })
+
+    vim.api.nvim_create_autocmd("BufEnter", {
+        group = augroup_id,
+        callback = function()
+            local current_win = vim.api.nvim_get_current_win()
+            if current_win ~= win_id then
+                return
+            end
+
+            local current_buf = vim.api.nvim_win_get_buf(win_id)
+            if current_buf == bufnr then
+                return
+            end
+
+            if filetype_check and filetype_check(current_buf) then
+                bufnr = current_buf
+                return
+            end
+
+            vim.api.nvim_win_set_buf(win_id, bufnr)
+        end,
+    })
+end
+
+function M.calculate_split_size(term_size, percentage, min_size, max_size)
+    local calculated_size = math.floor(term_size * percentage)
+    return math.min(math.max(calculated_size, min_size), max_size)
 end
 
 return M