diff --git a/Cask b/Cask
index 7de2c556d..f8d01688c 100644
--- a/Cask
+++ b/Cask
@@ -133,6 +133,9 @@
 (depends-on "js2-refactor")
 (depends-on "tern")
 (depends-on "unityjs-mode" :git "https://github.com/naruse/EmacsUnityScript")
+(depends-on "typescript-mode")
+(depends-on "tide")
+(depends-on "coffee-mode")
 
 ;; Lua -- modules/module-lua.el
 (depends-on "lua-mode")
diff --git a/modules/module-js.el b/modules/module-js.el
index f56b9ea56..246e4e791 100644
--- a/modules/module-js.el
+++ b/modules/module-js.el
@@ -86,5 +86,25 @@
     (narf|enable-tab-width-2)
     (setq js-indent-level 2)))
 
+(use-package typescript-mode
+  :mode "\\.ts$"
+  :config
+  (require 'tide)
+  (defun narf|typescript-setup ()
+    (tide-setup)
+    (flycheck-mode 1)
+    (eldoc-mode 1))
+
+  (add-hook! typescript-mode 'narf|typescript-setup)
+  (add-hook! web-mode (when (string-equal "tsx" (file-name-extension buffer-file-name)) (narf|typescript-setup))))
+
+(use-package coffee-mode
+  :mode "\\.coffee$"
+  :init (add-hook! coffee-mode 'narf|enable-tab-width-2)
+  :config
+  (setq-default
+   coffee-tab-width 2
+   coffee-indent-like-python-mode t))
+
 (provide 'module-js)
 ;;; module-js.el ends here