linux-config/files/dotfiles/nvim/lua/user/cmp.lua

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

local snip_status_ok, _ = pcall(require, "luasnip")
if snip_status_ok then
    require("luasnip/loaders/from_vscode").lazy_load()
end

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




local source_mapping = {
    buffer = "[Buffer]",
    nvim_lsp = "[LSP]",
    nvim_lua = "[Lua]",
    cmp_tabnine = "[TN]",
    path = "[Path]",
}

cmp.setup({
    snippet = {
        expand = function(args)
            require("luasnip").lsp_expand(args.body)
        end,
    },
    mapping = cmp.mapping.preset.insert({
        ['<Enter>'] = cmp.mapping.confirm({ select = true }),
        ["<C-u>"] = cmp.mapping.scroll_docs(-4),
        ["<C-d>"] = cmp.mapping.scroll_docs(4),
        ["<C-Space>"] = cmp.mapping.complete(),
    }),

    formatting = {
        format = function(entry, vim_item)
            vim_item.kind = lspkind.presets.default[vim_item.kind]
            local menu = source_mapping[entry.source.name]
            vim_item.menu = menu
            return vim_item
        end,
    },
    sources = {
        { name = "nvim_lsp" },
        { name = "path" },
        { name = "luasnip" },
        { name = "buffer" },
        { name = 'nvim_lsp_signature_help' },
    },
})