feat(linter/plugins): add parent field to AST nodes

.github/generated/ast_changes_watch_list.yml

@@ -74,8 +74,8 @@ src:
   - 'napi/parser/generated/deserialize/ts.js'
   - 'napi/parser/generated/deserialize/ts_parent.js'
   - 'napi/parser/generated/deserialize/ts_range.js'
-  - 'napi/parser/generated/deserialize/ts_range_no_parens.js'
   - 'napi/parser/generated/deserialize/ts_range_parent.js'
+  - 'napi/parser/generated/deserialize/ts_range_parent_no_parens.js'
   - 'napi/parser/generated/lazy/constructors.js'
   - 'napi/parser/generated/lazy/types.js'
   - 'napi/parser/generated/lazy/walk.js'

apps/oxlint/scripts/build.js

@@ -32,7 +32,7 @@ const parserFilePaths = [
   'generated/lazy/types.js',
   'generated/lazy/walk.js',
   */
-  'generated/deserialize/ts_range_no_parens.js',
+  'generated/deserialize/ts_range_parent_no_parens.js',
   'generated/visit/keys.js',
   'generated/visit/types.js',
   'generated/visit/visitor.d.ts',

apps/oxlint/src-js/plugins/source_code.ts

@@ -7,7 +7,7 @@ import {
 } from '../generated/constants.js';
 // @ts-expect-error we need to generate `.d.ts` file for this module
 // We use the deserializer which removes `ParenthesizedExpression`s from AST to match ESLint
-import { deserializeProgramOnly } from '../../dist/generated/deserialize/ts_range_no_parens.js';
+import { deserializeProgramOnly } from '../../dist/generated/deserialize/ts_range_parent_no_parens.js';
 
 import type { Program } from '@oxc-project/types';
 import type { Scope, ScopeManager, Variable } from './scope.ts';

apps/oxlint/test/e2e.test.ts

@@ -123,6 +123,10 @@ describe('oxlint CLI', () => {
     await testFixture('estree');
   });
 
+  it('should receive AST with all nodes having `parent` property', async () => {
+    await testFixture('parent');
+  });
+
   it('should receive data via `context`', async () => {
     await testFixture('context_properties');
   });

apps/oxlint/test/fixtures/parent/.oxlintrc.json

@@ -0,0 +1,9 @@
+{
+  "jsPlugins": ["./plugin.ts"],
+  "categories": {
+    "correctness": "off"
+  },
+  "rules": {
+    "parents/check": "error"
+  }
+}

apps/oxlint/test/fixtures/parent/files/index.js

@@ -0,0 +1 @@
+const obj = { a: [b, c], ...d };

apps/oxlint/test/fixtures/parent/output.snap.md

@@ -0,0 +1,86 @@
+# Exit code
+1
+
+# stdout
+```
+  x parents(check): VariableDeclaration -> Program
+   ,-[files/index.js:1:1]
+ 1 | const obj = { a: [b, c], ...d };
+   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   `----
+
+  x parents(check): Program -> null
+   ,-[files/index.js:1:1]
+ 1 | const obj = { a: [b, c], ...d };
+   : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   `----
+
+  x parents(check): Identifier -> VariableDeclarator
+   ,-[files/index.js:1:7]
+ 1 | const obj = { a: [b, c], ...d };
+   :       ^^^
+   `----
+
+  x parents(check): VariableDeclarator -> VariableDeclaration
+   ,-[files/index.js:1:7]
+ 1 | const obj = { a: [b, c], ...d };
+   :       ^^^^^^^^^^^^^^^^^^^^^^^^^
+   `----
+
+  x parents(check): ObjectExpression -> VariableDeclarator
+   ,-[files/index.js:1:13]
+ 1 | const obj = { a: [b, c], ...d };
+   :             ^^^^^^^^^^^^^^^^^^^
+   `----
+
+  x parents(check): Identifier -> Property
+   ,-[files/index.js:1:15]
+ 1 | const obj = { a: [b, c], ...d };
+   :               ^
+   `----
+
+  x parents(check): Property -> ObjectExpression
+   ,-[files/index.js:1:15]
+ 1 | const obj = { a: [b, c], ...d };
+   :               ^^^^^^^^^
+   `----
+
+  x parents(check): ArrayExpression -> Property
+   ,-[files/index.js:1:18]
+ 1 | const obj = { a: [b, c], ...d };
+   :                  ^^^^^^
+   `----
+
+  x parents(check): Identifier -> ArrayExpression
+   ,-[files/index.js:1:19]
+ 1 | const obj = { a: [b, c], ...d };
+   :                   ^
+   `----
+
+  x parents(check): Identifier -> ArrayExpression
+   ,-[files/index.js:1:22]
+ 1 | const obj = { a: [b, c], ...d };
+   :                      ^
+   `----
+
+  x parents(check): SpreadElement -> ObjectExpression
+   ,-[files/index.js:1:26]
+ 1 | const obj = { a: [b, c], ...d };
+   :                          ^^^^
+   `----
+
+  x parents(check): Identifier -> SpreadElement
+   ,-[files/index.js:1:29]
+ 1 | const obj = { a: [b, c], ...d };
+   :                             ^
+   `----
+
+Found 0 warnings and 12 errors.
+Finished in Xms on 1 file using X threads.
+```
+
+# stderr
+```
+WARNING: JS plugins are experimental and not subject to semver.
+Breaking changes are possible while JS plugins support is under development.
+```

apps/oxlint/test/fixtures/parent/plugin.ts

@@ -0,0 +1,41 @@
+import type { Plugin } from '../../../dist/index.js';
+
+const plugin: Plugin = {
+  meta: {
+    name: 'parents',
+  },
+  rules: {
+    check: {
+      create(context) {
+        return {
+          Program(node) {
+            context.report({ message: `${node.type} -> ${node.parent}`, node });
+          },
+          VariableDeclaration(node) {
+            context.report({ message: `${node.type} -> ${node.parent.type}`, node });
+          },
+          VariableDeclarator(node) {
+            context.report({ message: `${node.type} -> ${node.parent.type}`, node });
+          },
+          Identifier(node) {
+            context.report({ message: `${node.type} -> ${node.parent.type}`, node });
+          },
+          ObjectExpression(node) {
+            context.report({ message: `${node.type} -> ${node.parent.type}`, node });
+          },
+          Property(node) {
+            context.report({ message: `${node.type} -> ${node.parent.type}`, node });
+          },
+          ArrayExpression(node) {
+            context.report({ message: `${node.type} -> ${node.parent.type}`, node });
+          },
+          SpreadElement(node) {
+            context.report({ message: `${node.type} -> ${node.parent.type}`, node });
+          },
+        };
+      },
+    },
+  },
+};
+
+export default plugin;