Add LSP Mode for JavaScript, Rust, GDScript

init.el

@@ -415,6 +415,21 @@
   ("\\.gd\\'" . gdscript-mode)
   ("\\.tscn\\'" . gdscript-mode))
 
+;;====================
+;; LSP Mode (Language Server Support)
+;;====================
+
+;; Load LSP Mode
+;; Associated languages: JavaScript, GDScript
+(use-package lsp-mode
+  :hook
+  (js-mode . lsp-deferred)
+  (gdscript-mode . lsp-deferred)
+  (rust-mode . lsp-deferred)
+  :commands
+  (lsp
+   lsp-deferred))
+
 ;;====================
 ;; Package-Lint (Elisp Package Linter)
 ;;====================
@@ -443,14 +458,6 @@
   :bind
   ("C-c e" . flycheck-list-errors))
 
-;; [Rust]
-;; Load FlyCheck-Rust
-(use-package flycheck-rust
-  :after
-  (flycheck)
-  :hook
-  (flycheck-mode-hook . flycheck-rust-setup))
-
 ;; [Elisp Packages]
 ;; Load FlyCheck-Package
 (use-package flycheck-package