diff --git a/init.el b/init.el
index 53e615d..b2658c9 100644
--- a/init.el
+++ b/init.el
@@ -128,7 +128,7 @@
           (css "https://github.com/tree-sitter/tree-sitter-css")
           (go "https://github.com/tree-sitter/tree-sitter-go")
           (gomod "https://github.com/camdencheek/tree-sitter-go-mod")
-          (js "https://github.com/tree-sitter/tree-sitter-javascript")
+          (javascript "https://github.com/tree-sitter/tree-sitter-javascript")
           (bash "https://github.com/tree-sitter/tree-sitter-bash")
           (cmake "https://github.com/uyha/tree-sitter-cmake")
           (blueprint "https://github.com/huanie/tree-sitter-blueprint")))
@@ -144,7 +144,19 @@
           (yaml-mode . yaml-ts-mode)
           (css-mode . css-ts-mode)
           (js-mode . js-ts-mode)
-          (cmake-mode . cmake-ts-mode))))
+          (cmake-mode . cmake-ts-mode)))
+  (defun my/treesit-compile-all (force)
+    "Compile all the modules defined in `treesit-language-source-alist'.
+If FORCE, recompile all modules, even ones that are already compiled.
+Interactively, force the recompile if called with a prefix."
+    (interactive "P")
+    (let ((did-build nil))
+      (dolist (lang treesit-language-source-alist)
+        (when (or force (not (treesit-language-available-p (car lang))))
+          (treesit-install-language-grammar (car lang))
+          (setq did-build t)))
+      (unless did-build
+        (message "All defined parsers installed!")))))
 
 (use-package tab-bar
   :ensure nil