feat(pluginutils): add staticBlock(es2022) support

packages/pluginutils/src/attachScopes.ts

@@ -97,6 +97,14 @@ const attachScopes: AttachScopes = function attachScopes(ast, propertyName = 'sc
         }
       }
 
+      // static clause has its own function scope
+      if (node.type === 'StaticBlock') {
+        newScope = new Scope({
+          parent: scope,
+          block: false
+        });
+      }
+
       // create new for scope
       if (/For(?:In|Of)?Statement/.test(node.type)) {
         newScope = new Scope({

packages/pluginutils/test/attachScopes.ts

@@ -73,6 +73,28 @@ test('supports catch without a parameter', () => {
   }).not.toThrow();
 });
 
+test('supports static block', () => {
+  const ast = parse(
+    `
+    class Foo {
+      static {
+        let a = 10;
+      }
+    }
+  `,
+    { ecmaVersion: 2022, sourceType: 'module' }
+  ) as unknown as estree.Program;
+
+  const scope = attachScopes(ast, 'scope');
+  expect(scope.contains('a')).toBeFalsy();
+
+  const classDeclaration = ast.body[0] as estree.ClassDeclaration;
+  const classBody = classDeclaration.body;
+  const staticBlock = classBody.body[0] as estree.StaticBlock & { scope: AttachedScope };
+
+  expect(staticBlock.scope.contains('a')).toBeTruthy();
+});
+
 test('supports ForStatement', () => {
   const ast = parse(
     `