add treesitterr-textobjects plugin

lua/plugin/treesitter-textobjects.lua

@@ -0,0 +1,68 @@
+return {
+  {
+    "nvim-treesitter/nvim-treesitter-textobjects",
+    dependencies = { "nvim-treesitter/nvim-treesitter" },
+    opts = {
+      textobjects = {
+        select = {
+          enable = true,
+
+          -- Automatically jump forward to textobj, similar to targets.vim
+          lookahead = true,
+
+          keymaps = {
+            -- You can use the capture groups defined in textobjects.scm
+            ["af"] = "@function.outer",
+            ["if"] = "@function.inner",
+            ["ap"] = "@parameter.outer",
+            ["ip"] = "@parameter.inner",
+            ["ac"] = "@comment.outer",
+            ["aS"] = "@statement.outer",
+            ["ae"] = "@block.outer",
+            ["al"] = "@loop.outer",
+            ["il"] = "@loop.inner",
+            ["ar"] = "@return.outer",
+            ["ir"] = "@return.inner",
+            ["ia"] = "@assignment.rhs",
+            ["aa"] = "@assignment.inner",
+            ["i?"] = "@conditional.inner",
+            ["a?"] = "@conditional.outer",
+            ["in"] = "@number.inner",
+            ["iC"] = "@class.inner",
+            ["aC"] = "@class.outer",
+            ["ig"] = "@call.inner",
+            ["ag"] = "@call.outer",
+
+            -- You can also use captures from other query groups like `locals.scm`
+            ["as"] = { query = "@scope", query_group = "locals", desc = "Select language scope" },
+          },
+          -- You can choose the select mode (default is charwise 'v')
+          --
+          -- Can also be a function which gets passed a table with the keys
+          -- * query_string: eg '@function.inner'
+          -- * method: eg 'v' or 'o'
+          -- and should return the mode ('v', 'V', or '<c-v>') or a table
+          -- mapping query_strings to modes.
+          selection_modes = {
+            ['@parameter.outer'] = 'v', -- charwise
+            ['@function.outer'] = 'V', -- linewise
+          },
+          -- If you set this to `true` (default is `false`) then any textobject is
+          -- extended to include preceding or succeeding whitespace. Succeeding
+          -- whitespace has priority in order to act similarly to eg the built-in
+          -- `ap`.
+          --
+          -- Can also be a function which gets passed a table with the keys
+          -- * query_string: eg '@function.inner'
+          -- * selection_mode: eg 'v'
+          -- and should return true or false
+          include_surrounding_whitespace = false,
+        },
+      },
+
+    },
+    config = function(_, opts)
+      require("nvim-treesitter.configs").setup(opts)
+    end,
+  }
+}