1 files changed, 87 insertions, 0 deletions
diff --git a/lua/config/99-treesitter-config.lua b/lua/config/99-treesitter-config.lua
new file mode 100644
index 0000000..5b81c7e
--- /dev/null
+++ b/lua/config/99-treesitter-config.lua
@@ -0,0 +1,87 @@
+-- Current nvim-treesitter main branch + nvim-treesitter-textobjects main branch.
+-- Requires Neovim >= 0.12, tree-sitter CLI, a C compiler, and both plugins.
+-- The old nvim-treesitter.configs module no longer exists on main.
+
+local ts = require('nvim-treesitter')
+local textobjects = require('nvim-treesitter-textobjects')
+
+-- Install parsers explicitly with :TSInstall <language> or
+-- :lua require('nvim-treesitter').install({ 'lua', 'vim', 'c' })
+-- Update installed parsers after plugin updates with :TSUpdate.
+-- Unlike the old API, there is no auto_install/sync_install option.
+
+-- Enable highlighting for buffers with installed parsers, except for large
+-- files. Core Neovim supplies highlighting; nvim-treesitter supplies parsers.
+local max_filesize = 100 * 1024
+local group = vim.api.nvim_create_augroup('UserTreesitterHighlight', { clear = true })
+vim.api.nvim_create_autocmd('FileType', {
+  group = group,
+  callback = function(args)
+    local buf = args.buf
+    local name = vim.api.nvim_buf_get_name(buf)
+    if name ~= '' then
+      local stat = vim.uv.fs_stat(name)
+      if stat and stat.size > max_filesize then
+        return
+      end
+    end
+    -- Don't error for filetypes without an installed parser.
+    pcall(vim.treesitter.start, buf)
+  end,
+})
+
+textobjects.setup({
+  select = {
+    lookahead = true,
+    selection_modes = {
+      ['@parameter.outer'] = 'v',
+      ['@function.outer'] = 'V',
+      ['@function.inner'] = 'V',
+      ['@block.inner'] = 'V',
+      ['@block.outer'] = 'V',
+    },
+    -- Corrected from the original pattern '^function', which could never
+    -- match a capture name beginning with '@'.
+    include_surrounding_whitespace = function(q)
+      return q.query_string:match('%.inner$') == nil
+        and q.query_string:match('^@function') ~= nil
+    end,
+  },
+  move = { set_jumps = true },
+})
+
+local select = require('nvim-treesitter-textobjects.select')
+local move = require('nvim-treesitter-textobjects.move')
+local selections = {
+  am = '@function.outer', im = '@function.inner',
+  af = '@function.outer', ['if'] = '@function.inner',
+  aC = '@class.outer', iC = '@class.inner',
+  aa = '@parameter.outer', ia = '@parameter.inner',
+  iq = '@block.inner', aq = '@block.outer',
+  ['a;'] = '@statement.outer', ['i;'] = '@statement.inner',
+}
+for lhs, query in pairs(selections) do
+  vim.keymap.set({ 'x', 'o' }, lhs, function()
+    select.select_textobject(query, 'textobjects')
+  end, { desc = 'Tree-sitter select ' .. query })
+end
+
+-- The original mapping references a custom capture; it only works when
+-- you provide a matching textobjects query for the current language.
+for lhs, query in pairs({
+  [']C'] = '@injectable_constructor.params.inner',
+  [']c'] = '@class.outer',
+}) do
+  vim.keymap.set({ 'n', 'x', 'o' }, lhs, function()
+    move.goto_next_start(query, 'textobjects')
+  end)
+end
+for lhs, query in pairs({
+  ['[C'] = '@injectable_constructor.params.inner',
+  ['[c'] = '@class.outer',
+}) do
+  vim.keymap.set({ 'n', 'x', 'o' }, lhs, function()
+    move.goto_previous_start(query, 'textobjects')
+  end)
+end
+