add list scope

Author: sonnyvesali

data/fixtures/scopes/dart/list.scope

@@ -0,0 +1,17 @@
+final list = [1,2,3];
+---
+
+[Content] =
+[Domain] = 0:13-0:20
+               >-------<
+0| final list = [1,2,3];
+
+[Removal] = 0:12-0:20
+              >--------<
+0| final list = [1,2,3];
+
+[Leading delimiter] = 0:12-0:13
+              >-<
+0| final list = [1,2,3];
+
+[Insertion delimiter] = " "

data/playground/dart.dart

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

packages/common/src/scopeSupportFacets/dart.ts

@@ -6,4 +6,5 @@ const { supported, unsupported, notApplicable } = ScopeSupportFacetLevel;
 
 export const dartScopeSupport: LanguageScopeSupportFacetMap = {
   ifStatement: supported,
+  list: supported,
 };

queries/dart.scm

@@ -2,3 +2,10 @@
 ;;!! if () {}
 ;;!  ^^^^^^^^
 (if_statement) @ifStatement
+
+;;!! [ 0 ]
+;;!  ^^^^^
+[
+  (list_literal)
+  (list_pattern)
+] @list