nvim/lua/utils/buffers.lua: Adding M.Close() that uses mini.bufremove if it exists.

nvim/lua/utils/buffers.lua

@@ -1,11 +1,35 @@
 -- Helper functions for dealing with buffers
 local M = {}
 
+function M.Close(buf)
+    -- check if mini is installed.
+    local hasmini, mini = pcall(require,"mini.bufremove")
+    if hasmini then
+        local bd = mini.delete
+        if vim.bo[buf].modified then
+            local bufname = vim.fn.bufname(buf)
+            local choice = vim.fn.confirm(("Save changes to %q?"):format(bufname), "&Yes\n&No\n&Cancel")
+            if choice == 1 then -- Yes
+                vim.cmd(("%i,%ibufdo w"):format(buf, buf))
+                bd(buf)
+            elseif choice == 2 then -- No
+                bd(buf, true)
+            end
+        else
+            bd(buf)
+        end
+    -- fallback to native nvim api
+    else
+        vim.api.nvim_buf_delete(buf, {})
+    end
+end
+
+
 -- Close all but current buffer
 function M.CloseOthers()
 	for _, i in ipairs(vim.api.nvim_list_bufs()) do
 		if i ~= vim.api.nvim_get_current_buf() then
-			vim.api.nvim_buf_delete(i, {})
+			M.Close(i)
 		end
 	end
 end
@@ -13,7 +37,7 @@ end
 -- Close all open buffers
 function M.CloseAll()
     for _, i in ipairs(vim.api.nvim_list_bufs()) do
-        vim.api.nvim_buf_delete(i, {})
+        M.Close(i)
     end
 end