Initial version of dart module

modules/lang/dart/+flutter.el

@@ -0,0 +1,7 @@
+;;; lang/dart/+flutter.el -*- lexical-binding: t; -*-
+
+(use-package! flutter
+  :config
+  (map! :map dart-mode-map
+        :localleader
+        "r" #'flutter-run-or-hot-reload))

modules/lang/dart/config.el

@@ -0,0 +1,12 @@
+;;; lang/dart/config.el -*- lexical-binding: t; -*-
+
+(cond ((featurep! +flutter) (load! "+flutter"))
+      ((featurep! +lsp)    (load! "+lsp")))
+
+(use-package! dart-mode
+  :config
+  (when (featurep! +flutter)
+    (if IS-LINUX
+      (setq lsp-dart-sdk-dir "/opt/flutter/bin/cache/dart-sdk/")))
+  (when (featurep! +lsp)
+    (add-hook 'dart-mode-hook 'lsp)))

modules/lang/dart/doctor.el

@@ -0,0 +1,11 @@
+;;; lang/dart/doctor.el -*- lexical-binding: t; -*-
+
+(assert! (or (not (featurep! +lsp))
+             (featurep! :tools lsp))
+         "This module requires (:tools lsp)")
+
+(unless (executable-find "dart")
+  (warn! "Dart isn't on PATH."))
+
+(unless (file-readable-p lsp-dart-sdk-dir)
+  (warn! "LSP Mode can't find lsp-dart-sdk-dir."))

modules/lang/dart/packages.el

@@ -0,0 +1,6 @@
+;; -*- no-byte-compile: t; -*-
+;;; lang/dart/packages.el
+
+(package! dart-mode)
+(when (featurep! +flutter)
+  (package! flutter))