feat(nvim): add a bunch of plugins

nixos/home/.nvim/config.lua

@@ -1,2 +1,52 @@
 vim.opt.fillchars = {eob = " "}
 vim.cmd[[colorscheme dracula]]
+
+-- Set up nvim-cmp.
+  local cmp = require'cmp'
+  local cmp_autopairs = require('nvim-autopairs.completion.cmp')
+
+  cmp.setup({
+    snippet = {
+      -- REQUIRED - you must specify a snippet engine
+      expand = function(args)
+        vim.fn["vsnip#anonymous"](args.body)
+      end,
+    },
+    window = {
+      -- completion = cmp.config.window.bordered(),
+      -- documentation = cmp.config.window.bordered(),
+    },
+    mapping = cmp.mapping.preset.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 }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+    }),
+    sources = cmp.config.sources({
+      { name = 'nvim_lsp' },
+      { name = 'vsnip' }, -- For vsnip users.
+      -- { name = 'luasnip' }, -- For luasnip users.
+      -- { name = 'ultisnips' }, -- For ultisnips users.
+      -- { name = 'snippy' }, -- For snippy users.
+    }, {
+      { name = 'buffer' },
+    })
+  })
+  cmp.event:on(
+  'confirm_done',
+  cmp_autopairs.on_confirm_done()
+)
+
+-- https://github.com/AstroNvim/AstroNvim/issues/648#issuecomment-1511728897
+vim.api.nvim_create_augroup("neotree_autoopen", { clear = true })
+vim.api.nvim_create_autocmd("BufReadPre", {
+  desc = "Open neo-tree on enter",
+  group = "neotree_autoopen",
+  callback = function()
+    if not vim.g.neotree_opened then
+      vim.cmd "Neotree show"
+      vim.g.neotree_opened = true
+    end
+  end,
+})

nixos/home/.nvim/lsp.lua

@@ -1,3 +1,81 @@
+local capabilities = require('cmp_nvim_lsp').default_capabilities()
 local lspconfig = require('lspconfig')
-lspconfig.bashls.setup {}
-lspconfig.nixd.setup {}
+lspconfig.bashls.setup { capabilities = capabilities }
+lspconfig.nixd.setup { capabilities = capabilities }
+lspconfig.html.setup { capabilities = capabilities }
+lspconfig.cssls.setup { capabilities = capabilities }
+lspconfig.lua_ls.setup {
+  settings = {
+    capabilities = capabilities,
+    Lua = {
+      runtime = {
+        version = 'LuaJIT',
+      },
+      diagnostics = {
+        -- Get the language server to recognize the `vim` global
+        globals = {'vim'},
+      },
+      workspace = {
+        -- Make the server aware of Neovim runtime files
+        library = vim.api.nvim_get_runtime_file("", true),
+      },
+      telemetry = {
+        enable = false,
+      },
+    },
+  },
+}
+
+require("formatter").setup {
+  filetype = {
+    ["*"] = {
+      -- "formatter.filetypes.any" defines default configurations for any
+      -- filetype
+      require("formatter.filetypes.any").remove_trailing_whitespace
+    }
+  }
+}
+
+require'nvim-treesitter.configs'.setup {
+  highlight = {
+    enable = true,
+    -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
+    -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
+    -- Using this option may slow down your editor, and you may see some duplicate highlights.
+    -- Instead of true it can also be a list of languages
+    additional_vim_regex_highlighting = false,
+  },
+}
+
+require('gitsigns').setup()
+require('lualine').setup {
+  options = {
+    theme = 'dracula',
+    globalstatus = true
+  }
+}
+require("neo-tree").setup({
+  close_if_last_window = true,
+  window = {
+    width = 30,
+  },
+  filesystem = {
+    filtered_items = {
+      visible = false, -- when true, they will just be displayed differently than normal items
+      hide_dotfiles = false,
+      hide_gitignored = true,
+      hide_by_name = {},
+      hide_by_pattern = {},
+      always_show = {},
+      never_show = {},
+      never_show_by_pattern = {},
+    },
+  },
+  follow_current_file = {
+    enabled = true,
+    leave_dirs_open = true,
+  }
+})
+require('nvim-autopairs').setup()
+require('todo-comments').setup()
+require("scrollbar").setup()

nixos/home/nvim.nix

@@ -33,30 +33,52 @@ in {
     ];
 
     extraPackages = with pkgs; [
-      # used to compile tree-sitter grammar
       tree-sitter
 
       # https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
       nodePackages.bash-language-server
       shellcheck
       nixd
+      sumneko-lua-language-server
+      vscode-langservers-extracted
     ];
     plugins = with pkgs.vimPlugins; [
-      # you can use plugins from the pkgs
       vim-which-key
-      clangd_extensions-nvim
 
       nvim-treesitter.withAllGrammars
       nvim-treesitter
 
-      # or you can use our function to directly fetch plugins from git
-      (plugin "hrsh7th/nvim-cmp") # completion
-      (plugin "neovim/nvim-lspconfig")
+      #telescope-nvim
+      #telescope-fzf-native-nvim
+      
       (plugin "Mofiqul/dracula.nvim")
-      (plugin "nvim-neo-tree/neo-tree.nvim")
-
-      # this installs the plugin from 'lua' branch
+      (plugin "neovim/nvim-lspconfig")
       (plugin "lukas-reineke/indent-blankline.nvim")
+      (plugin "lewis6991/gitsigns.nvim")
+      (plugin "nvim-lualine/lualine.nvim")
+
+      # plugins for completion
+      (plugin "hrsh7th/nvim-cmp")
+      (plugin "hrsh7th/cmp-nvim-lsp")
+      (plugin "hrsh7th/cmp-buffer")
+      (plugin "hrsh7th/cmp-path")
+      (plugin "hrsh7th/cmp-cmdline")
+      (plugin "hrsh7th/cmp-vsnip")
+      (plugin "hrsh7th/vim-vsnip")
+
+      # neo-tree and deps
+      (plugin "nvim-neo-tree/neo-tree.nvim")
+      (plugin "nvim-lua/plenary.nvim")
+      (plugin "nvim-tree/nvim-web-devicons")
+      (plugin "MunifTanjim/nui.nvim")
+
+      # to explore more
+      (plugin "iamcco/markdown-preview.nvim")
+      (plugin "sindrets/diffview.nvim")
+      (plugin "windwp/nvim-autopairs")
+      (plugin "mhartington/formatter.nvim")
+      (plugin "folke/todo-comments.nvim")
+      (plugin "petertriho/nvim-scrollbar")
     ];
   };
 }