react: set emmet-expand-jsx-className? to t

layers/+frameworks/react/funcs.el

@@ -49,6 +49,12 @@
     (message "`lsp' layer is not installed, please add `lsp' layer to your dofile.")))
 
 
+;; Emmet
+(defun spacemacs/react-emmet-mode ()
+  "Activate `emmet-mode' and configure it for local buffer."
+  (emmet-mode)
+  (setq-local emmet-expand-jsx-className? t))
+
 ;; Others
 (defun inside-string-q ()
   "Returns non-nil if inside string, else nil.

layers/+frameworks/react/packages.el

@@ -30,7 +30,7 @@
   (add-hook 'rjsx-mode-local-vars-hook #'spacemacs//react-setup-company))
 
 (defun react/post-init-emmet-mode ()
-  (add-hook 'rjsx-mode-hook 'emmet-mode))
+  (add-hook 'rjsx-mode-hook 'spacemacs/react-emmet-mode))
 
 (defun react/post-init-evil-matchit ()
   (with-eval-after-load 'evil-matchit