nvim: plugins/treesitter: Enable treesitter text objects

nvim/.config/nvim/lua/plugins.lua

@@ -129,7 +129,8 @@ local init = function ()
   }
   -- For C, Lua and Rust
   use {
-    'nvim-treesitter/nvim-treesitter',
+    'nvim-treesitter/nvim-treesitter-textobjects',
+    requires = { 'nvim-treesitter/nvim-treesitter' },
     config = "require('treesitter')",
   }
   -- All writing needs

nvim/.config/nvim/lua/treesitter.lua

@@ -1,6 +1,28 @@
 require'nvim-treesitter.configs'.setup {
   ensure_installed = { "bash", "c", "clojure", "cpp", "fennel", "fish", "java", "javascript", "jsdoc", "json", "lua", "nix", "python", "rust", "toml" },
-  highlight = {
-    enable = true,
+  highlight   = { enable = true, },
+  textobjects = {
+    select = {
+      enable  = true,
+      keymaps = {
+	["<Leader><Leader>ab"] = "@block.outer"      ,
+	["<Leader><Leader>ib"] = "@block.inner"      ,
+	["<Leader><Leader>aC"] = "@call.outer"       ,
+	["<Leader><Leader>iC"] = "@call.inner"       ,
+	["<Leader><Leader>ao"] = "@class.outer"      ,
+	["<Leader><Leader>io"] = "@class.inner"      ,
+	["<Leader><Leader>at"] = "@comment.outer"    ,
+	["<Leader><Leader>ac"] = "@conditional.outer",
+	["<Leader><Leader>ic"] = "@conditional.inner",
+	["<Leader><Leader>af"] = "@function.outer"   ,
+	["<Leader><Leader>if"] = "@function.inner"   ,
+	["<Leader><Leader>al"] = "@loop.outer"       ,
+	["<Leader><Leader>il"] = "@loop.inner"       ,
+	["<Leader><Leader>ap"] = "@parameter.outer"  ,
+	["<Leader><Leader>ip"] = "@parameter.inner"  ,
+	["<Leader><Leader>is"] = "@scopename.inner"  ,
+	["<Leader><Leader>as"] = "@statement.outer"  ,
+      },
+    },
   },
 }