diff --git a/private_dot_emacs.d/config.org b/private_dot_emacs.d/config.org
index a37e29e..b4ff71d 100644
--- a/private_dot_emacs.d/config.org
+++ b/private_dot_emacs.d/config.org
@@ -230,7 +230,6 @@ I use org-superstar-mode, as it makes headlines and bullets look really nice.
     (setq lsp-keymap-prefix "C-c l")
     (setq read-process-output-max (* 1024 1024))
     (setq gc-cons-threshold 100000000))
-
   (use-package lsp-ui)
 #+end_src
 
@@ -268,21 +267,49 @@ Magit is a git client in Emacs.
 *** Languages
 
 **** Rust
-
 #+begin_src emacs-lisp
   (use-package rust-mode
     :init
     (setq rust-format-on-save t))
 #+end_src
 
-**** Typescript
+**** tree-sitter
 #+begin_src emacs-lisp
-  (use-package typescript-mode
-    :hook (typescript-mode . lsp)
-    :config
-    (setq typescript-indent-level 2))
+  (setq treesit-language-source-alist
+	'((bash "https://github.com/tree-sitter/tree-sitter-bash")
+	  (cmake "https://github.com/uyha/tree-sitter-cmake")
+	  (css "https://github.com/tree-sitter/tree-sitter-css")
+	  (elisp "https://github.com/Wilfred/tree-sitter-elisp")
+	  (go "https://github.com/tree-sitter/tree-sitter-go")
+	  (html "https://github.com/tree-sitter/tree-sitter-html")
+	  (javascript "https://github.com/tree-sitter/tree-sitter-javascript" "master" "src")
+	  (json "https://github.com/tree-sitter/tree-sitter-json")
+	  (make "https://github.com/alemuller/tree-sitter-make")
+	  (markdown "https://github.com/ikatyang/tree-sitter-markdown")
+	  (python "https://github.com/tree-sitter/tree-sitter-python")
+	  (toml "https://github.com/tree-sitter/tree-sitter-toml")
+	  (tsx "https://github.com/tree-sitter/tree-sitter-typescript" "master" "tsx/src")
+	  (typescript "https://github.com/tree-sitter/tree-sitter-typescript" "master" "typescript/src")
+	  (yaml "https://github.com/ikatyang/tree-sitter-yaml")))
+
+  (add-to-list 'auto-mode-alist '("\\.ts\\'" . tsx-ts-mode))
+  (add-to-list 'auto-mode-alist '("\\.tsx\\'" . tsx-ts-mode))
+
 #+end_src
 
 #+begin_src sh
   npm install -g typescript-language-server
 #+end_src
+
+**** Alapheia
+#+begin_src emacs-lisp
+  (use-package apheleia
+    :ensure t
+    :config
+    (apheleia-global-mode +1)
+    (setf (alist-get 'prettier apheleia-formatters)
+	  '(npx "prettier" file))
+    (setf (alist-get 'prettier-typescript apheleia-formatters)
+	  '(npx "prettier" file)))
+  (use-package dtrt-indent)
+#+end_src