Add missing prettier-js package

modules/init-js-two.el

@@ -83,7 +83,10 @@
 
 ;; json-mode: Major mode for editing JSON files with emacs
 ;; https://github.com/joshwnj/json-mode
+(use-package prettier-js
+  :pin "MELPA")
 (use-package json-mode
+  :pin "MELPA"
   :ensure t
   :defer 20
   :custom
@@ -91,7 +94,7 @@
   (json-reformat:pretty-string? t)
   (js-indent-level 2)
   :mode "\\.js\\(?:on\\|[hl]int\\(rc\\)?\\)\\'"
-  :hook (json-mode-hook . prettier-js-mode)
+  :hook ((json-mode . prettier-js-mode))
   :bind (:package json-mode-map
          :map json-mode-map
          ("C-c <tab>" . json-mode-beautify)))