Fix analysis errors (#1470)

analysis/pubspec.yaml

@@ -1,7 +1,6 @@
 name: sass_analysis
 version: 0.0.0
 description: Shared analysis options for Sass team packages.
-author: Sass Team
 homepage: https://github.com/sass/dart-sass/tree/master/analysis
 
 publish_to: none

lib/src/ast/sass/argument_declaration.dart

@@ -149,7 +149,9 @@ class ArgumentDeclaration implements SassNode {
         if (names.contains(argument.name)) return false;
       } else if (names.contains(argument.name)) {
         namedUsed++;
-      } else if (argument.defaultValue == null) return false;
+      } else if (argument.defaultValue == null) {
+        return false;
+      }
     }
 
     if (restArgument != null) return true;

lib/src/node/function.dart

@@ -5,7 +5,7 @@
 import 'package:js/js.dart';
 
 @JS("Function")
-class JSFunction implements Function {
+class JSFunction {
   external JSFunction(String arg1, [String? arg2, String? arg3]);
 
   // Note that this just invokes the function with the given arguments, rather

test/node_api/api.dart

@@ -73,7 +73,7 @@ class SassTypes {
 }
 
 @JS()
-class NodeSassBooleanClass implements Function {
+class NodeSassBooleanClass {
   external NodeSassBoolean call();
   external NodeSassBoolean get TRUE;
   external NodeSassBoolean get FALSE;
@@ -124,13 +124,13 @@ class NodeSassMap {
 }
 
 @JS()
-class NodeSassNullClass implements Function {
+class NodeSassNullClass {
   external Object call();
   external NodeSassNull get NULL;
 }
 
 @JS()
-class NodeSassNull implements Function {
+class NodeSassNull {
   external Constructor get constructor;
 }
 

test/node_api/value/list_test.dart

@@ -108,8 +108,9 @@ void main() {
       test(
           "lists with undefined separators are reported as having space "
           "separators", () {
-        expect(parseValue("()").getSeparator(), isFalse);
+        expect(parseValue<NodeSassList>("()").getSeparator(), isFalse);
-        expect(parseValue("join((), 1px)").getSeparator(), isFalse);
+        expect(
+            parseValue<NodeSassList>("join((), 1px)").getSeparator(), isFalse);
       });
 
       test("has a useful .constructor.name", () {