my-nvim-lua/lua/mappings.lua

local function map(mode, lhs, rhs, opts)
    local options = {noremap = true}
    if opts then
        options = vim.tbl_extend("force", options, opts)
    end
    vim.api.nvim_set_keymap(mode, lhs, rhs, options)
end

local opt = {}

-- dont copy any deleted text , this is disabled by default so uncomment the below mappings if you want them!
--[[

map("n", "dd", [=[ "_dd ]=], opt)
map("v", "dd", [=[ "_dd ]=], opt)
map("v", "x", [=[ "_x ]=], opt)

]]

-- OPEN TERMINALS --
map("n", "<C-l>", [[<Cmd>vnew term://bash <CR>]], opt) -- open term over right
map("n", "<C-x>", [[<Cmd> split term://bash | resize 10 <CR>]], opt) -- open term bottom

-- COPY EVERYTHING --
map("n", "<C-a>", [[ <Cmd> %y+<CR>]], opt)

-- toggle numbers ---
map("n", "<leader>n", [[ <Cmd> set nu!<CR>]], opt)

-- toggle truezen.nvim's ataraxis and minimalist mode
map("n", "<leader>z", [[ <Cmd> TZAtaraxis<CR>]], opt)
map("n", "<leader>m", [[ <Cmd> TZMinimalist<CR>]], opt)