NVim: snippets

modules/hm/vim.nix

@@ -60,6 +60,31 @@ let vp = pkgs.vimPlugins; in {
       vp.cmp-buffer # source for text in buffer
       vp.cmp-path # source for file system path
       vp.luasnip
+
+      {
+        plugin = vp.luasnip;
+        type = "lua";
+        config = ''
+          local luasnip = require("luasnip")
+          local keymap = vim.keymap
+          keymap.set({"i"}, "<C-K>", function() luasnip.expand() end, {silent = true})
+          keymap.set({"i", "s"}, "<C-l>", function() luasnip.jump( 1) end, {silent = true})
+          keymap.set({"i", "s"}, "<C-h>", function() luasnip.jump(-1) end, {silent = true})
+
+          vim.keymap.set({"i", "s"}, "<C-E>", function()
+            if luasnip.choice_active() then
+              luasnip.change_choice(1)
+            end
+          end, {silent = true})
+
+          -- loads vscode style snippets from installed plugins (eg. friendly-snippets)
+          require("luasnip.loaders.from_vscode").lazy_load()
+          require("luasnip.loaders.from_vscode").lazy_load({ paths = "${./nvim/snippets}" })
+
+
+        '';
+      }
+
       vp.cmp_luasnip
       vp.friendly-snippets
       {
@@ -187,6 +212,26 @@ let vp = pkgs.vimPlugins; in {
                 include_surrounding_whitespace = true,
               },
             },
+            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,
+            },
+            incremental_selection = {
+              enable = true,
+              keymaps = {
+                init_selection = "gnn", -- set to `false` to disable one of the mappings
+                node_incremental = "grn",
+                scope_incremental = "grc",
+                node_decremental = "grm",
+              },
+            },
+            indent = {
+              enable = true
+            }
           }
         '';
       }
@@ -249,6 +294,7 @@ let vp = pkgs.vimPlugins; in {
         '';
       }
 
+      vp.nvim-treesitter-context
     ];
     # settings = { ignorecase = true; };
     # coc.enable = true;
@@ -310,6 +356,12 @@ let vp = pkgs.vimPlugins; in {
       opt.whichwrap:append "<>[]hl"
 
       g.mapleader = " "
+
+      -- treesitter folding
+      vim.opt.foldmethod = "expr"
+      vim.opt.foldexpr = "nvim_treesitter#foldexpr()"
+      -- vim.cmd([[ set nofoldenable]])
+      vim.opt.foldenable = false
     '';
   };
 }