{
  configs,
  pkgs,
  ...
}: {
  programs.nixvim = {
    plugins.luasnip.enable = true;
    plugins.friendly-snippets.enable=true;
    plugins.cmp = {
      enable = true;
      autoEnableSources = true;
      settings = {
        sources = [
          {name = "luasnip";}
          {name = "treesitter";}
          {name = "path";}
          {name = "emoji";}
          {name = "buffer";}
          {name = "latex_symbols";}
          {name = "digraphs";}
          {name = "spell";}
        ];
        snippet = {
          expand = "luasnip";
        };
        mapping = {
          "<C-Space>" = "cmp.mapping.complete()";
          "<C-d>" = "cmp.mapping.scroll_docs(-4)";
          "<C-e>" = "cmp.mapping.close()";
          "<C-f>" = "cmp.mapping.scroll_docs(4)";
          "<CR>" = "cmp.mapping.confirm({ select = false })";
          "<Tab>" = ''
            function(fallback)
              if cmp.visible() then
                cmp.select_next_item()
              elseif require("luasnip").expand_or_jumpable() then
                vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-expand-or-jump", true, true, true), "")
              else
                fallback()
              end
            end
          '';
          "<S-Tab>" = ''
            function(fallback)
              if cmp.visible() then
                cmp.select_prev_item()
              elseif require("luasnip").jumpable(-1) then
                vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-jump-prev", true, true, true), "")
              else
                fallback()
              end
            end
          '';
        };
      };
    };
  };
}