dotfiles/.config/nvim/after/plugin/lsp.lua

local lsp = require('lsp-zero').preset({
	manage_nvim_cmp = {
		set_sources = 'recommended',
	}
})
local cmp = require('cmp');

-- Set the lsp autocomplete to put text from selection into the buffer.
--
-- This setup_nvim_cmp function is deprecated, though this seems to be
-- the cleanest solution as of lsp-zero v2.x. A fallback solution is 
-- commented out below.
lsp.setup_nvim_cmp({
	select_behavior = cmp.SelectBehavior.Insert
})

vim.diagnostic.config({
	virtual_text = true
})

lsp.on_attach(function(client, bufnr)
	lsp.default_keymaps({buffer = bufnr})
	-- Set tagfunc back to empty instead of vim.lsp.tagfunc(),
	-- to use default tag jumping behaviour withouth going through the lsp.
	-- - see https://neovim.io/doc/user/lsp.html
	vim.opt.tagfunc = ""
end)

-- (Optional) Configure lua language server for neovim
require('lspconfig').lua_ls.setup(lsp.nvim_lua_ls())

lsp.setup()

-- Below commented code is a fallback for when the setup_nvim_cmp()
-- is gone
--
-- This is adapted from the defaults provided by lsp-zero
-- - see https://github.com/VonHeikemen/lsp-zero.nvim/blob/v2.x/lua/lsp-zero/cmp.lua
--
--local select_opts = { behavior = cmp.SelectBehavior.Insert }
--cmp.setup({
--	mapping = {
--		['<C-p>'] = cmp.mapping(function()
--			if cmp.visible() then
--				cmp.select_prev_item(select_opts)
--			else
--				cmp.complete()
--			end
--		end),
--		['<C-n>'] = cmp.mapping(function()
--			if cmp.visible() then
--				cmp.select_next_item(select_opts)
--			else
--				cmp.complete()
--			end
--		end),
--	}
--})