nvim/lua/plugins/toggleterm.lua

local M = {
	'akinsho/toggleterm.nvim',
	cmd = 'ToggleTerm',
}

function M.config()
	local toggleterm = require 'toggleterm'

	toggleterm.setup {
		-- size can be a number or function which is passed the current terminal
		size = function(term)
			if term.direction == 'horizontal' then
				return 15
			elseif term.direction == 'vertical' then
				return vim.o.columns * 0.4
			end
		end,
		shade_filetypes = { 'none', 'fzf' },
		-- open_mapping = [[<home>]],
		hide_numbers = true, -- hide the number column in toggleterm buffers
		shade_terminals = true,
		shading_factor = '2', -- the degree by which to darken to terminal colour, default: 1 for dark backgrounds, 3 for light
		start_in_insert = true,
		insert_mappings = true, -- whether or not the open mapping applies in insert mode
		persist_size = true,
		direction = 'horizontal', -- 'vertical' | 'horizontal' | 'window' | 'float',
		close_on_exit = true, -- close the terminal window when the process exits
		shell = vim.o.shell, -- change the default shell
		-- This field is only relevant if direction is set to 'float'
		float_opts = {
			-- The border key is *almost* the same as 'nvim_win_open'
			-- see :h nvim_win_open for details on borders however
			-- the 'curved' border is a custom border type
			-- not natively supported but implemented in this plugin.
			border = 'curved', -- | 'double' | 'shadow' | 'curved' --| ... other options supported by win open
			width = 100,
			height = 30,
			winblend = 0,
			highlights = {
				border = 'Normal',
				background = 'Normal',
			},
		},
	}
end

return M