add map support

Author: sonnyvesali

data/fixtures/scopes/dart/map.scope

@@ -0,0 +1,25 @@
+  final map = {
+    'hi': 1,
+  };
+---
+
+[Content] =
+[Domain] = 0:14-2:3
+                >-
+0|   final map = {
+1|     'hi': 1,
+2|   };
+   ---<
+
+[Removal] = 0:13-2:3
+               >--
+0|   final map = {
+1|     'hi': 1,
+2|   };
+   ---<
+
+[Leading delimiter] = 0:13-0:14
+               >-<
+0|   final map = {
+
+[Insertion delimiter] = " "

data/playground/dart.dart

@@ -1,5 +1,9 @@
 foo() {
-  if (true) { }
+  if (true) {}
 
-  final list = [1,2,3];
+  final list = [1, 2, 3];
+
+  final map = {
+    'hi': 1,
+  };
 }

packages/common/src/scopeSupportFacets/dart.ts

@@ -7,4 +7,5 @@ const { supported, unsupported, notApplicable } = ScopeSupportFacetLevel;
 export const dartScopeSupport: LanguageScopeSupportFacetMap = {
   ifStatement: supported,
   list: supported,
+  map: supported,
 };

queries/dart.scm

@@ -8,4 +8,11 @@
 [
   (list_literal)
   (list_pattern)
-] @list
+] @list
+
+;;!! { value: 0 }
+;;!  ^^^^^^^^^^^^
+[
+  (set_or_map_literal)
+  (map_pattern)
+] @map