Set up LSP and js-comint for javascript editing

emacs/.emacs.d/config/init-js.el

@@ -4,6 +4,41 @@
 (use-package nvm
   :commands (nvm-use
              nvm-use-for
-             nvm-use-for-buffer))
+             nvm-use-for-buffer
+             nvm--installed-versions)
+  :init
+  (defun nvm (version)
+    (interactive (list
+		  (completing-read "Node version: "
+		                   (mapcar #'car
+			                   (nvm--installed-versions)))))
+    (nvm-use version)))
+
+(use-package js
+  :straight (:type built-in)
+  :defer t
+  :config
+  (add-hook 'js-mode-hook #'lsp-deferred))
+
+;; Make sure we load LSP in React files
+(with-eval-after-load 'lsp-clients
+  (defun lsp-typescript-javascript-tsx-jsx-activate-p (filename major-mode)
+    "Checks if the javascript-typescript language server should be enabled
+    based on FILE-NAME and MAJOR-MODE"
+    (or (member major-mode '(typescript-mode typescript-tsx-mode js-mode js2-mode rjsx-mode))
+        (and (eq major-mode 'web-mode)
+             (or (string-suffix-p ".tsx" filename t)
+                 (string-suffix-p ".jsx" filename t)
+                 (string-suffix-p ".js" filename t))))))
+
+(use-package js-comint
+  :commands (run-js)
+  :config
+  (js-do-use-nvm)
+  :general
+  (js-mode-map "C-c M-j" #'run-js
+               "C-x C-e" #'js-send-last-sexp
+               "C-c C-k" #'js-send-buffer
+               "C-c M-z" #'js-send-buffer-and-go))
 
 (provide 'init-js)