Initial

nvim/lua/functions.lua

@@ -0,0 +1,56 @@
+local M = {}
+
+
+function M.bufonly()
+  vim.cmd('silent! execute "%bd|e#|bd#"')
+end
+
+function M.remove_trailing_whitespace()
+  local saved_search = vim.fn.getreg('/')
+  vim.cmd([[%s/\s\+$//e]])
+  vim.fn.setreg('/', saved_search)
+end
+
+
+-- To avoid neotree from crashing all vim, closes the tab
+function M.bufremove(buf)
+    buf = buf or 0
+    buf = buf == 0 and vim.api.nvim_get_current_buf() or buf
+    if vim.bo.modified then
+        local choice = vim.fn.confirm(("Save changes to %q?"):format(vim.fn.bufname()), "&Yes\n&No\n&Cancel")
+        if choice == 0 or choice == 3 then -- 0 for <Esc>/<C-c> and 3 for Cancel
+            return
+        end
+        if choice == 1 then -- Yes
+            vim.cmd.write()
+        end
+    end
+    for _, win in ipairs(vim.fn.win_findbuf(buf)) do
+        vim.api.nvim_win_call(win, function()
+            if not vim.api.nvim_win_is_valid(win) or vim.api.nvim_win_get_buf(win) ~= buf then
+                return
+            end
+            -- Try using alternate buffer
+            local alt = vim.fn.bufnr("#")
+            if alt ~= buf and vim.fn.buflisted(alt) == 1 then
+                vim.api.nvim_win_set_buf(win, alt)
+                return
+            end
+            -- Try using previous buffer
+            local has_previous = pcall(vim.cmd, "bprevious")
+            if has_previous and buf ~= vim.api.nvim_win_get_buf(win) then
+                return
+            end
+            -- Create new listed buffer
+            local new_buf = vim.api.nvim_create_buf(true, false)
+            vim.api.nvim_win_set_buf(win, new_buf)
+        end)
+    end
+    if vim.api.nvim_buf_is_valid(buf) then
+        pcall(vim.cmd, "bdelete! " .. buf)
+    end
+end
+
+
+return M
+