Neovim/lua/plugins/cmp.lua

return {
    {
        "hrsh7th/nvim-cmp",
        opts = function()
            vim.api.nvim_set_hl(0, "CmpGhostText", { link = "Comment", default = true })
            local cmp = require("cmp")
            local defaults = require("cmp.config.default")()
            return {
                window = {
                    completion = {
                        border = "rounded",
                        scrollbar = false,
                        winhighlight = "Normal:CmpPmenu,FloatBorder:CmpPmenu,Search:None"
                    },
                    documentation = {
                        border = "rounded",
                        scrollbar = false,
                        winhighlight = "Normal:CmpPmenu,FloatBorder:CmpPmenu,Search:None"
                    },
                },
                completion = {
                    completeopt = "menu,menuone,noinsert",
                },
                snippet = {
                    expand = function(args)
                        require("luasnip").lsp_expand(args.body)
                    end,
                },
                mapping = cmp.mapping.preset.insert({
                    ["<C-n>"] = cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Insert }),
                    ["<C-p>"] = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.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.confirm({ select = true }),
                    ["<S-CR>"] = cmp.mapping.confirm({
                        behavior = cmp.ConfirmBehavior.Replace,
                        select = true,
                    }),
                    ["<C-CR>"] = function(fallback)
                        cmp.abort()
                        fallback()
                    end,
                }),
                sources = cmp.config.sources({
                    { name = "nvim_lsp" },
                    { name = 'nvim_lsp_signature_help' },
                    { name = "luasnip" },
                    { name = "path" },
                }, {
                    { name = "buffer" },
                }),
                formatting = {
                    fields = {
                        "kind",
                        "abbr",
                        "menu"
                    },
                    format = function(_, item)
                        item.menu = item.kind
                        local icons = require("lazyvim.config").icons.kinds
                        if icons[item.kind] then
                            item.kind = icons[item.kind]
                        end
                        return item
                    end,
                },
                experimental = {
                    ghost_text = {
                        hl_group = "CmpGhostText",
                    }
                },
                sorting = defaults.sorting,
            }
        end,
        dependencies = {
            "hrsh7th/cmp-nvim-lsp",
            "hrsh7th/cmp-buffer",
            "hrsh7th/cmp-path",
            "hrsh7th/cmp-path",
            "hrsh7th/cmp-nvim-lsp-signature-help",
            "saadparwaiz1/cmp_luasnip",
        }
    }
}