1 files changed, 36 insertions, 0 deletions
diff --git a/.config/nvim/lua/buffers.lua b/.config/nvim/lua/buffers.lua
new file mode 100644
index 0000000..ca593a7
--- /dev/null
+++ b/.config/nvim/lua/buffers.lua
@@ -0,0 +1,36 @@
+--Nmap("<leader>b", ':buffer ')
+
+-- stolen from https://www.reddit.com/r/neovim/comments/12c4ad8/closing_unused_buffers/
+local id = vim.api.nvim_create_augroup("startup", {
+  clear = false
+})
+
+local persistbuffer = function(bufnr)
+  bufnr = bufnr or vim.api.nvim_get_current_buf()
+  vim.fn.setbufvar(bufnr, 'bufpersist', 1)
+end
+
+vim.api.nvim_create_autocmd({ "BufRead" }, {
+  group = id,
+  pattern = { "*" },
+  callback = function()
+    vim.api.nvim_create_autocmd({ "InsertEnter", "BufModifiedSet" }, {
+      buffer = 0,
+      once = true,
+      callback = function()
+        persistbuffer()
+      end
+    })
+  end
+})
+
+vim.keymap.set('n', '<Leader>o',
+  function()
+    local curbufnr = vim.api.nvim_get_current_buf()
+    local buflist = vim.api.nvim_list_bufs()
+    for _, bufnr in ipairs(buflist) do
+      if vim.bo[bufnr].buflisted and bufnr ~= curbufnr and (vim.fn.getbufvar(bufnr, 'bufpersist') ~= 1) then
+        vim.cmd('bd ' .. tostring(bufnr))
+      end
+    end
+  end, { silent = true, desc = 'Close unused buffers' })