Added Format command to nvim

nvim/.config/nvim/lua/user/keymaps.lua

@@ -27,10 +27,10 @@ keymap("n", "<C-+>", "<C-}>", opts)
 
 -- Normal --
 -- Better window navigation
-keymap("n", "<C-h>", "<C-w>h", opts)
-keymap("n", "<C-j>", "<C-w>j", opts)
-keymap("n", "<C-k>", "<C-w>k", opts)
-keymap("n", "<C-l>", "<C-w>l", opts)
+keymap("n", "<leader>h", "<C-w>h", opts)
+keymap("n", "<leader>j", "<C-w>j", opts)
+keymap("n", "<leader>k", "<C-w>k", opts)
+keymap("n", "<leader>l", "<C-w>l", opts)
 
 keymap("n", "<leader>e", ":NvimTreeToggle<cr>", opts)
 
@@ -80,3 +80,8 @@ keymap("t", "<C-l>", "<C-\\><C-N><C-w>l", term_opts)
 keymap("n", "<leader>f", "<cmd>lua require'telescope.builtin'.find_files(require('telescope.themes').get_dropdown({ previewer = false }))<cr>", opts)
 keymap("n", "<c-t>", "<cmd>Telescope live_grep<cr>", opts)
 
+-- Format document --
+keymap("n", "<leader><leader>f", "<cmd>Format<cr>", opts)
+
+-- close buffer --
+keymap("n", "<leader>q", "<cmd>Bdelete! %d<cr>",opts)

nvim/.config/nvim/lua/user/lsp/null-ls.lua

@@ -0,0 +1,17 @@
+local null_ls_status_ok, null_ls = pcall(require, "null-ls")
+if not null_ls_status_ok then
+  return
+end
+
+-- https://github.com/jose-elias-alvarez/null-ls.nvim/tree/main/lua/null-ls/builtins/formatting
+local formatting = null_ls.builtins.formatting
+-- https://github.com/jose-elias-alvarez/null-ls.nvim/tree/main/lua/null-ls/builtins/diagnostics
+local diagnostics = null_ls.builtins.diagnostics
+
+null_ls.setup {
+  debug = false,
+  sources = {
+    formatting.clang_format,
+    diagnostics.gccdiag,
+  },
+}