nvim-snappy/lua/plugins/lsp/lsp-lines.lua

local function close_floats()
	for _, win in ipairs(vim.api.nvim_list_wins()) do
		if vim.api.nvim_win_get_config(win).relative == 'win' then
			vim.api.nvim_win_close(win, false)
		end
	end
end

return {
	'https://git.sr.ht/~whynothugo/lsp_lines.nvim',
	commit = 'a92c755f182b89ea91bd8a6a2227208026f27b4d',
	lazy = false,

	keys = {
		{
			'<leader>df',
			function()
				require('lsp_lines').toggle()

				if vim.diagnostic.config().virtual_lines then
					close_floats()
				else
					vim.diagnostic.open_float()
				end
			end,
			desc = 'Toggle [D]ebug [L]ines',
		},
		{
			'<Esc>',
			function()
				close_floats()
			end,
			desc = 'Close [F]loats',
		},
	},

	init = function()
		vim.diagnostic.config({ virtual_text = false })
		--vim.diagnostic.config({ virtual_text = false, virtual_lines = { only_current_line = true } })
		--vim.diagnostic.config({ virtual_text = false, virtual_lines = { only_current_line = true }, })
	end,

	opts = {},
}