huge cleanup

lua/buffer_tools.lua

@@ -1,44 +1,37 @@
-local M = {}
-
 local function get_active_buffers()
-    local active_buffers = {}
-    for tabnr = 1, vim.fn.tabpagenr("$") do
-        for _, bufnr in ipairs(vim.fn.tabpagebuflist(tabnr)) do
-            active_buffers[bufnr] = true
-        end
-    end
-    return active_buffers
+	local active_buffers = {}
+	for tabnr = 1, vim.fn.tabpagenr("$") do
+		for _, bufnr in ipairs(vim.fn.tabpagebuflist(tabnr)) do
+			active_buffers[bufnr] = true
+		end
+	end
+	return active_buffers
 end
 
 local function get_all_buffers()
-    local all_buffers = {}
-    for bufnr = 1, vim.fn.bufnr("$") do
-        if vim.fn.buflisted(bufnr) == 1 then
-            all_buffers[bufnr] = true
-        end
-    end
-    return all_buffers
+	local all_buffers = {}
+	for bufnr = 1, vim.fn.bufnr("$") do
+		if vim.fn.buflisted(bufnr) == 1 then
+			all_buffers[bufnr] = true
+		end
+	end
+	return all_buffers
 end
 
-function M.remove_unused_buffers()
-    local active_buffers = get_active_buffers()
-    local all_buffers = get_all_buffers()
-    local buffers_to_remove = {}
+local function remove_unused_buffers()
+	local active_buffers = get_active_buffers()
+	local all_buffers = get_all_buffers()
+	local buffers_to_remove = {}
 
-    for bufnr, _ in pairs(all_buffers) do
-        if active_buffers[bufnr] == nil then
-            buffers_to_remove[bufnr] = true
-        end
-    end
+	for bufnr, _ in pairs(all_buffers) do
+		if active_buffers[bufnr] == nil then
+			buffers_to_remove[bufnr] = true
+		end
+	end
 
-    for bufnr, _ in pairs(buffers_to_remove) do
-        vim.cmd("bd " .. bufnr)
-    end
+	for bufnr, _ in pairs(buffers_to_remove) do
+		vim.cmd("bd " .. bufnr)
+	end
 end
 
-function M.init()
-    local map = require("helpers").map
-    map("n", "<Leader>b", ":lua require('buffer_tools').remove_unused_buffers()<CR>")
-end
-
-return M
+vim.keymap.set("n", "<Leader>b", remove_unused_buffers, { noremap = true })