Neolite/lua/setup/nvim-cmp.lua

local ok, cmp = pcall(require, "cmp")
if not ok then
    return
end

local luasnip_ok, luasnip = pcall(require, "luasnip")
if not luasnip_ok then
    return
end

local luasnip_vscode_ok, luasnip_vscode = pcall(require, "luasnip/loaders/from_vscode")
if not luasnip_vscode_ok then
    return
end

local lspkind_ok, lspkind = pcall(require, "lspkind")
if not lspkind_ok then
    return
end

luasnip_vscode.lazy_load()

local has_words_before = function()
    unpack = unpack or table.unpack
    local line, col = unpack(vim.api.nvim_win_get_cursor(0))
    return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
end

cmp.setup({
    view = {
        --entries = { name = "custom", selection_order = "near_cursor" },
    },
    snippet = {
        expand = function(args)
            luasnip.lsp_expand(args.body) -- For `luasnip` users.
        end,
    },
    mapping = {
        ["<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 }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.

        ["<Tab>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.select_next_item()
                -- You could replace the expand_or_jumpable() calls with expand_or_locally_jumpable()
                -- they way you will only jump inside the snippet region
            elseif luasnip.expand_or_jumpable() then
                luasnip.expand_or_jump()
            elseif has_words_before() then
                cmp.complete()
            else
                fallback()
            end
        end, { "i", "s" }),

        ["<S-Tab>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.select_prev_item()
            elseif luasnip.jumpable(-1) then
                luasnip.jump(-1)
            else
                fallback()
            end
        end, { "i", "s" }),
    },
    sources = {
        { name = "nvim_lsp" },
        { name = "luasnip" },
        { name = "buffer" },
        { name = "path" },
    },
    confirm_opts = {
        behavior = cmp.ConfirmBehavior.Replace,
        select = false,
    },
    experimental = {
        ghost_text = false,
    },
    formatting = {
        fields = { "abbr", "kind", "menu" },
        format = function(entry, vim_item)
            local kind = lspkind.cmp_format({ mode = "symbol_text", maxwidth = 50 })(entry, vim_item)
            local strings = vim.split(kind.kind, "%s", { trimempty = true })
            kind.kind = "               " .. (strings[1] or "") .. " "
            kind.menu = (strings[2] or "")

            return kind
        end,
    },
})