dotfiles/nvim/.config/nvim/lua/plugins/cmp.lua

local cmp_kinds = {
	Text = "  ",
	Method = "  ",
	Function = "󰊕",
	Constructor = "",
	Field = "󰇽",
	Variable = "  ",
	Class = "  ",
	Interface = "  ",
	Snippet = "  ",
	Property = "󰜢",
	Unit = "  ",
	Value = "  ",
	Enum = "  ",
	Keyword = "  ",
	Module = "  ",
	Color = "  ",
	File = "  ",
	Reference = "  ",
	Folder = "  ",
	EnumMember = "  ",
	Constant = "  ",
	Struct = "  ",
	Event = "  ",
	Operator = "  ",
	TypeParameter = "  ",
}

vim.o.pumheight = 12

return {
	{
		"hrsh7th/nvim-cmp",
		outs = function(_, opts)
			table.insert(opts.sources, {
				{ name = "emoji" },
				{ name = "orgmode" },
			})
			local cmp = require("cmp")
			opts.window = {
				completion = cmp.config.window.bordered({}),
				documentation = cmp.config.window.bordered({}),
			}
			-- Set view to follow cursor while typing
			opts.view = {
				entries = {
					follow_cursor = true,
				},
			}
		end,
		event = "InsertEnter",
		dependencies = {
			-- Snippet Engine & its associated nvim-cmp source
			{
				"L3MON4D3/LuaSnip",
				build = (function()
					-- Build Step is needed for regex support in snippets.
					-- This step is not supported in many windows environments.
					-- Remove the below condition to re-enable on windows.
					if vim.fn.has("win32") == 1 or vim.fn.executable("make") == 0 then
						return
					end
					return "make install_jsregexp"
				end)(),
				dependencies = {
					-- `friendly-snippets` contains a variety of premade snippets.
					--    See the README about individual language/framework/plugin snippets:
					--    https://github.com/rafamadriz/friendly-snippets
					-- {
					--   'rafamadriz/friendly-snippets',
					--   config = function()
					--     require('luasnip.loaders.from_vscode').lazy_load()
					--   end,
					-- },
				},
			},
			"saadparwaiz1/cmp_luasnip",

			-- Adds other completion capabilities.
			--  nvim-cmp does not ship with all sources by default. They are split
			--  into multiple repos for maintenance purposes.
			"hrsh7th/cmp-nvim-lsp",
			"hrsh7th/cmp-path",
			"hrsh7th/cmp-emoji",
		},
		config = function()
			-- See `:help cmp`
			local cmp = require("cmp")
			local luasnip = require("luasnip")
			luasnip.config.setup({})

			cmp.setup({
				formatting = {
					fields = { "abbr", "kind" },
					format = function(_, vim_item)
						vim_item.kind = cmp_kinds[vim_item.kind] or ""
						return vim_item
					end,
				},
				window = {
					completion = {
						winhighlight = "Normal:Pmenu,CursorLine:PmenuSel,Search:None",
						scrollbar = true,
						col_offset = -3,
						side_padding = 1,
					},
				},
				snippet = {
					expand = function(args)
						luasnip.lsp_expand(args.body)
					end,
				},
				completion = { completeopt = "menu,menuone,noinsert" },

				mapping = cmp.mapping.preset.insert({
					-- Select the [n]ext item
					["<C-j>"] = cmp.mapping.select_next_item(),
					-- Select the [p]revious item
					["<C-k>"] = cmp.mapping.select_prev_item(),

					-- Scroll the documentation window [b]ack / [f]orward
					["<C-b>"] = cmp.mapping.scroll_docs(-4),
					["<C-f>"] = cmp.mapping.scroll_docs(4),

					-- Accept ([y]es) the completion.
					--  This will auto-import if your LSP supports it.
					--  This will expand snippets if the LSP sent a snippet.
					["<tab>"] = cmp.mapping.confirm({ select = true }),

					["<C-Space>"] = cmp.mapping.complete({}),

					-- <c-l> will move you to the right of each of the expansion locations.
					-- <c-h> is similar, except moving you backwards.
					["<C-l>"] = cmp.mapping(function()
						if luasnip.expand_or_locally_jumpable() then
							luasnip.expand_or_jump()
						end
					end, { "i", "s" }),
					["<C-h>"] = cmp.mapping(function()
						if luasnip.locally_jumpable(-1) then
							luasnip.jump(-1)
						end
					end, { "i", "s" }),

					-- For more advanced Luasnip keymaps (e.g. selecting choice nodes, expansion) see:
					--    https://github.com/L3MON4D3/LuaSnip?tab=readme-ov-file#keymaps
				}),
				sources = {
					{
						name = "lazydev",
						-- set group index to 0 to skip loading LuaLS completions as lazydev recommends it
						group_index = 0,
					},
					{ name = "nvim_lsp" },
					{ name = "luasnip" },
					{ name = "path" },
				},
			})
		end,
	},
}