Add keymaps and commands for turning off/on auto formatting on save.

home/.config/nvim/init.lua

@@ -28,6 +28,9 @@ require("terminal")
 -- Initialize the custom window management functionality
 require("window_management").setup()
 
+-- Initializes custom commands and keybindings for handling code formatting
+require("format_handler").setup()
+
 -- Set configs for servers and enable them in the Neovim LSP Client
 require("lsp/setup")
 

home/.config/nvim/lua/format_handler.lua

@@ -0,0 +1,44 @@
+local utils = require("utils")
+local M = {}
+M.format_on_save = true
+
+function M.format(force)
+    local do_force = force or false
+    if M.format_on_save or do_force then
+        vim.lsp.buf.format()
+    end
+end
+
+function M.format_enable()
+    M.format_on_save = true
+end
+
+function M.format_disable()
+    M.format_on_save = false
+end
+
+function M.setup()
+    local user_commands = {
+        { "FormatEnable",  "lua require('format_handler').format_enable()" },
+        { "FormatDisable", "lua require('format_handler').format_disable()" },
+    }
+    for _, cmd in ipairs(user_commands) do
+        vim.api.nvim_command("command! " .. cmd[1] .. " " .. cmd[2])
+    end
+
+    utils.add_keymaps({
+        n = {
+            ["<leader>ff"] = {
+                cmd = function() M.format(true) end
+            },
+            ["<leader>fe"] = {
+                cmd = M.format_enable,
+            },
+            ["<leader>fd"] = {
+                cmd = M.format_disable,
+            },
+        },
+    })
+end
+
+return M

home/.config/nvim/lua/lsp/setup.lua

@@ -1,5 +1,6 @@
 local utils = require("utils")
 local inlay_hints_handler = require("inlay_hints_handler")
+local format_handler = require("format_handler")
 
 local function chain_on_attach(...)
     local funcs = { ... }
@@ -18,7 +19,7 @@ local function global_on_attach(client, bufnr)
         vim.api.nvim_create_autocmd("BufWritePre", {
             buffer = bufnr,
             callback = function()
-                vim.lsp.buf.format()
+                format_handler.format()
             end,
         })
     end

home/.config/nvim/lua/plugs/rustaceanvim.lua

@@ -1,5 +1,6 @@
 local utils = require("utils")
 local inlay_hints_handler = require("inlay_hints_handler")
+local format_handler = require("format_handler")
 
 return {
     "mrcjkb/rustaceanvim",
@@ -24,7 +25,7 @@ return {
                         vim.api.nvim_create_autocmd("BufWritePre", {
                             buffer = bufnr,
                             callback = function()
-                                vim.lsp.buf.format()
+                                format_handler.format()
                             end,
                         })
                     end