install whichkey.lua

lua/config/autocommands.lua

@@ -62,6 +62,15 @@ create_cmd({"BufRead", "BufNewFile"}, {
 	end,
 })
 
+-- disable list chars in specific filetypes, e.g. netrw
+create_cmd({"FileType"}, {
+	desc = "Disable list chars for some filetypes",
+	pattern = { "netrw" },
+	callback = function(args)
+		vim.opt_local.list = false
+	end,
+})
+
 -- automatically remove trailing whitespace on save file
 create_cmd({"BufWritePre"}, {
 	desc = "Remove trailing whitespace when saving",

lua/config/keymaps.lua

@@ -36,3 +36,67 @@ map("t", "<Esc><Esc>", "<C-\\><C-n>", { desc = "exit terminanl" })
 
 -- Pressing ESC removes search highlights
 map("n", "<Esc>", "<Cmd>nohlsearch<Cr>")
+
+-- Smart buffer switch (to alternative, previous, or next) if possible
+local function smart_buffer_switch(current)
+	local alternative = vim.fn.bufnr("#")
+
+	-- get all listed buffers
+	local buffers = vim.fn.getbufinfo({ buflisted = 1 })
+
+	-- find index of the current buffer
+	local current_index = nil
+	for index, buffer in ipairs(buffers) do
+		if buffer.bufnr == current then
+			current_index = i
+			break
+		end
+	end
+
+	-- try to switch to alternate buffer
+	if alternative > 0 and vim.fn.buflisted(alternative) == 1 and alternative ~= current then
+		vim.api.nvim_set_current_buf(alternative)
+	-- try to switch to previous buffer
+	elseif current_index and current_index > 1 then
+		vim.api.nvim_set_current_buf(buffers[current_index -1].bufnr)
+	-- try to switch to next buffer
+	elseif current_index and current_index < #buffers then
+		vim.api.nvim_set_current_buf(buffers[current_index + 1].bufnr)
+	end
+end
+
+local function smart_buffer_delete()
+	local current = vim.api.nvim_get_current_buf()
+	smart_buffer_switch(current)
+	-- delete current buffer
+	vim.cmd(":confirm bdelete " .. current)
+end
+map("n", "<leader>bd", smart_buffer_delete, { desc = "Close Current Buffer" })
+
+local function smart_buffer_wipeout()
+	local current = vim.api.nvim_get_current_buf()
+	smart_buffer_switch(current)
+	-- delete current buffer
+	vim.cmd(":confirm bwipeout " .. current)
+end
+map("n", "<leader>bw", smart_buffer_wipeout, { desc = "Wipeout Current Buffer" })
+
+local function delete_other_buffers()
+	local current = vim.api.nvim_get_current_buf()
+	for _, buffer in ipairs(vim.api.nvim_list_bufs()) do
+		if buffer ~= current and vim.bo[buffer].buflisted and not vim.bo[buffer].modified then
+			vim.api.nvim_buf_delete(buffer, {})
+		end
+	end
+end
+map("n", "<leader>bD", delete_other_buffers, { desc = "Close All Other Buffers" })
+
+local function wipeout_other_buffers()
+	local current = vim.api.nvim_get_current_buf()
+	for _, buffer in ipairs(vim.api.nvim_list_bufs()) do
+		if buffer ~= current and vim.bo[buffer].buflisted and not vim.bo[buffer].modified then
+			vim.cmd("bwipeout " .. buffer)
+		end
+	end
+end
+map("n", "<leader>bW", wipeout_other_buffers, { desc = "Wipeout All Other Buffers" })