nvim/lua/plugins/completion.lua

return {
	{ "hrsh7th/cmp-nvim-lsp" },
	{
		"L3MON4D3/LuaSnip",
		-- follow latest release.
		version = "v2.*", -- Replace <CurrentMajor> by the latest released major (first number of latest release)
		-- install jsregexp (optional!).
		build = "make install_jsregexp",
		dependencies = { "saadparwaiz1/cmp_luasnip", "rafamadriz/friendly-snippets" },
	},
	{
		"hrsh7th/nvim-cmp",
		dependencies = { "hrsh7th/cmp-buffer", "f3fora/cmp-spell", "hrsh7th/cmp-path", "hrsh7th/cmp-emoji", "R-nvim/cmp-r", "hrsh7th/cmp-nvim-lsp-signature-help" },
		config = function()
			local cmp = require("cmp")
			local luasnip = require("luasnip")

			require("luasnip.loaders.from_vscode").lazy_load()

			cmp.setup({
				snippet = {
					-- REQUIRED - you must specify a snippet engine
					expand = function(args)
						-- vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
						require("luasnip").lsp_expand(args.body) -- For `luasnip` users.
						-- require('snippy').expand_snippet(args.body) -- For `snippy` users.
						-- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
						-- vim.snippet.expand(args.body) -- For native neovim snippets (Neovim v0.10+)
					end,
				},
				window = {
					-- completion = cmp.config.window.bordered(),
					-- documentation = cmp.config.window.bordered(),
				},
				mapping = cmp.mapping.preset.insert({
					["<C-b>"] = cmp.mapping.scroll_docs(-4),
					["<C-f>"] = cmp.mapping.scroll_docs(4),
					["<C-Space>"] = cmp.mapping.complete(),
					["<C-e>"] = cmp.mapping.abort(),
					["<CR>"] = cmp.mapping(function(fallback)
						if cmp.visible() then
							if luasnip.expandable() then
								luasnip.expand()
							else
								cmp.confirm({
									select = true,
								})
							end
						else
							fallback()
						end
					end),

					["<Tab>"] = cmp.mapping(function(fallback)
						if cmp.visible() then
							cmp.select_next_item()
						elseif luasnip.locally_jumpable(1) then
							luasnip.jump(1)
						else
							fallback()
						end
					end, { "i", "s" }),

					["<S-Tab>"] = cmp.mapping(function(fallback)
						if cmp.visible() then
							cmp.select_prev_item()
						elseif luasnip.locally_jumpable(-1) then
							luasnip.jump(-1)
						else
							fallback()
						end
					end, { "i", "s" }),
				}),
				sources = cmp.config.sources({
					{ name = "nvim_lsp" },
					{ name = "buffer" },
					{ name = "luasnip" }, -- For luasnip users.
          { name = 'emoji' },
          { name = "crates" }, -- cf rust
          { name = 'cmp_r' },
          { name = 'nvim_lsp_signature_help' },
					{
						name = "spell",
						option = {
							keep_all_entries = false,
							enable_in_context = function()
								return true
							end,
							preselect_correct_word = true,
						},
					},
					{
						name = "path",
						option = {
							-- Options go into this table
						},
					},
					-- { name = 'ultisnips' }, -- For ultisnips users.
					-- { name = 'snippy' }, -- For snippy users.
				}, {
					{ name = "buffer" },
				}),
			})

			-- To use git you need to install the plugin petertriho/cmp-git and uncomment lines below
			-- Set configuration for specific filetype.
			--[[ cmp.setup.filetype('gitcommit', {
    sources = cmp.config.sources({
      { name = 'git' },
    }, {
      { name = 'buffer' },
    })
 })
 require("cmp_git").setup() ]]
			--

			-- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
			cmp.setup.cmdline({ "/", "?" }, {
				mapping = cmp.mapping.preset.cmdline(),
				sources = {
					{ name = "buffer" },
				},
			})

			-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
			-- cmp.setup.cmdline(":", {
			-- 	mapping = cmp.mapping.preset.cmdline(),
			-- 	sources = cmp.config.sources({
			-- 		{ name = "path" },
			-- 	}, {
			-- 		{ name = "cmdline" },
			-- 	}),
			-- 	matching = { disallow_symbol_nonprefix_matching = false },
			-- })
		end,
	},
}