Improve YASnippet configuration

init.el

@@ -158,8 +158,26 @@
 
 (use-package yasnippet
   :ensure t
+  :diminish yas-minor-mode
+  :init
+  (use-package yasnippet-snippets :ensure t :after yasnippet)
+  :hook ((prog-mode LaTeX-mode org-mode) . yas-minor-mode)
+  :bind
+  (:map yas-minor-mode-map ("C-c C-n" . yas-expand-from-trigger-key))
+  (:map yas-keymap
+        (("TAB" . smarter-yas-expand-next-field)
+         ([(tab)] . smarter-yas-expand-next-field)))
   :config
-  (yas-global-mode 1))
+  (yas-reload-all)
+  (defun smarter-yas-expand-next-field ()
+    "Try to `yas-expand' then `yas-next-field' at current cursor position."
+    (interactive)
+    (let ((old-point (point))
+          (old-tick (buffer-chars-modified-tick)))
+      (yas-expand)
+      (when (and (eq old-point (point))
+                 (eq old-tick (buffer-chars-modified-tick)))
+        (ignore-errors (yas-next-field))))))
 
 (use-package flycheck
   :ensure t