From a5ec91088d8262a670de0833598734cb0bc23175 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Sat, 26 Feb 2022 19:28:15 +0100
Subject: [PATCH] home: vim: add 'treesitter-textobjects'

---
 home/vim/default.nix                     |  1 +
 home/vim/plugin/settings/tree-sitter.vim | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/home/vim/default.nix b/home/vim/default.nix
index a15ad6a..bb7bdec 100644
--- a/home/vim/default.nix
+++ b/home/vim/default.nix
@@ -67,6 +67,7 @@ in
       lsp_lines-nvim # Show diagnostics *over* regions
       null-ls-nvim # LSP integration for linters and formatters
       (nvim-treesitter.withPlugins (_: pkgs.tree-sitter.allGrammars)) # Better highlighting
+      nvim-treesitter-textobjects # More textobjects
       plenary-nvim # 'null-ls' dependency
 
       # UX improvements
diff --git a/home/vim/plugin/settings/tree-sitter.vim b/home/vim/plugin/settings/tree-sitter.vim
index 8df22b0..10c22b1 100644
--- a/home/vim/plugin/settings/tree-sitter.vim
+++ b/home/vim/plugin/settings/tree-sitter.vim
@@ -9,5 +9,23 @@ ts_config.setup({
     indent = {
         enable = true,
     },
+    textobjects = {
+        select = {
+            enable = true,
+            -- Jump to matching text objects
+            lookahead = true,
+            keymaps = {
+                ["aa"] = "@parameter.outer",
+                ["ia"] = "@parameter.inner",
+                ["ab"] = "@block.outer",
+                ["ib"] = "@block.inner",
+                ["ac"] = "@class.outer",
+                ["ic"] = "@class.inner",
+                ["af"] = "@function.outer",
+                ["if"] = "@function.inner",
+                ["ak"] = "@comment.outer",
+            },
+        },
+    },
 })
 EOF