feat(nvim): switch to coc, start config of lsps

config/nvim/base.vim

@@ -0,0 +1,31 @@
+" make tabs only 2 spaces
+set tabstop=2
+set shiftwidth=2
+set expandtab
+set smartindent
+
+set number
+set relativenumber
+
+set undofile
+set undodir=/home/matt/.cache/nvim/
+
+" set dot icon in place of trailing whitespaces
+set list listchars=tab:\ \ ,nbsp:␣,trail:•,extends:⟩,precedes:⟨
+
+" use vscode keybinds for snippets completion
+inoremap <silent><expr> <TAB>
+      \ coc#pum#visible() ? coc#_select_confirm() :
+      \ coc#expandableOrJumpable() ? "\<C-r>=coc#rpc#request('doKeymap', ['snippets-expand-jump',''])\<CR>" :
+      \ CheckBackspace() ? "\<TAB>" :
+      \ coc#refresh()
+
+function! CheckBackspace() abort
+  let col = col('.') - 1
+  return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+let g:coc_snippet_next = '<tab>'
+
+" support scss @
+autocmd FileType scss setl iskeyword+=@-@

config/nvim/config.lua

@@ -0,0 +1,9 @@
+vim.opt.fillchars = {eob = " "}
+vim.cmd[[colorscheme dracula]]
+
+-- https://github.com/AstroNvim/AstroNvim/issues/648#issuecomment-1511728897
+
+vim.g.loaded_netrw = 0
+vim.g.loaded_netrwPlugin = 0
+
+-- https://github.com/nvim-neo-tree/neo-tree.nvim/issues/983#issuecomment-1637372234

config/nvim/lsp.lua

@@ -1,41 +1,3 @@
-local capabilities = require('cmp_nvim_lsp').default_capabilities()
-local lspconfig = require('lspconfig')
-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,
@@ -76,6 +38,5 @@ require("neo-tree").setup({
     leave_dirs_open = true,
   }
 })
-require('nvim-autopairs').setup()
 require('todo-comments').setup()
 require("scrollbar").setup()

nixos/home/.nvim/base.vim

@@ -1,13 +0,0 @@
-" make tabs only 2 spaces
-set tabstop=2
-set shiftwidth=2
-set expandtab
-set smartindent
-
-set number
-set relativenumber
-
-set undofile
-set undodir=/home/matt/.cache/nvim/
-
-set list listchars=tab:\ \ ,nbsp:␣,trail:•,extends:⟩,precedes:⟨

nixos/home/.nvim/config.lua

@@ -1,46 +0,0 @@
-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.g.loaded_netrw = 0
-vim.g.loaded_netrwPlugin = 0
-
--- https://github.com/nvim-neo-tree/neo-tree.nvim/issues/983#issuecomment-1637372234

nixos/home/nvim.nix

@@ -1,6 +1,8 @@
 # https://breuer.dev/blog/nixos-home-manager-neovim
 { config, pkgs, lib, ... }:
 let
+  configDir = "/home/matt/.nix/config";
+  
   # installs a vim plugin from git with a given tag / branch
   pluginGit = ref: repo: pkgs.vimUtils.buildVimPluginFrom2Nix {
     pname = "${lib.strings.sanitizeDerivationName repo}";
@@ -14,6 +16,22 @@ let
   # always installs latest version
   plugin = pluginGit "HEAD";
 in {
+  xdg.configFile = {
+    "nvim/coc-settings.json".source = pkgs.writeText "coc-settings.json" ''
+      {
+        "java.jdt.ls.java.home": "${pkgs.temurin-bin-18}",
+        "colors.enable": true,
+        "Lua.misc.parameters": [
+          "--metapath",
+          "~/.cache/sumneko_lua/meta",
+          "--logpath",
+          "~/.cache/sumneko_lua/log"
+        ],
+        "sumneko-lua.serverDir": "${pkgs.lua-language-server}/share/lua-language-server"
+      }
+    '';
+  };
+
   programs.neovim = {
     enable = true;
     package = pkgs.neovim-nightly;
@@ -21,51 +39,51 @@ in {
     # read in the vim config from filesystem
     # this enables syntaxhighlighting when editing those
     extraConfig = builtins.concatStringsSep "\n" [
-      (lib.strings.fileContents ./.nvim/base.vim)
+      (lib.strings.fileContents "${configDir}/nvim/base.vim")
     #  (lib.strings.fileContents ./.nvim/plugins.vim)
     #  (lib.strings.fileContents ./.nvim/lsp.vim)
       ''
         lua << EOF
-        ${lib.strings.fileContents ./.nvim/config.lua}
+        ${lib.strings.fileContents "${configDir}/nvim/config.lua"}
-        ${lib.strings.fileContents ./.nvim/lsp.lua}
+        ${lib.strings.fileContents "${configDir}/nvim/lsp.lua"}
         EOF
       ''
     ];
 
     extraPackages = with pkgs; [
       tree-sitter
-
+      nodejs_latest
-      # https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
+      bat
-      nodePackages.bash-language-server
-      shellcheck
-      nixd
-      sumneko-lua-language-server
-      vscode-langservers-extracted
     ];
     plugins = with pkgs.vimPlugins; [
       vim-which-key
 
+      coc-nvim # done
+      coc-java # done
+      coc-css # done
+      coc-sumneko-lua # done
+      coc-highlight # done
+      coc-json
+      coc-pairs
+      coc-python
+      coc-sh
+      coc-snippets
+      coc-vimlsp
+      coc-yaml
+      coc-toml
+
+      coc-fzf
+      (plugin "junegunn/fzf.vim")
+      (plugin "junegunn/fzf")
+
       nvim-treesitter.withAllGrammars
       nvim-treesitter
 
-      #telescope-nvim
-      #telescope-fzf-native-nvim
-      
       (plugin "Mofiqul/dracula.nvim")
-      (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")
@@ -75,8 +93,6 @@ in {
       # 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")
     ];