typescript-eslint · May 11, 2025 · May 11, 2025 · May 11, 2025
diff --git a/.vscode/settings.json b/.vscode/settings.json
@@ -1,4 +1,6 @@
 {
+  "eslint.rules.customizations": [{ "rule": "*", "severity": "warn" }],
+
   // This matches the value configured on the autoformatter
   "editor.rulers": [80],
 

diff --git a/packages/eslint-plugin-internal/package.json b/packages/eslint-plugin-internal/package.json
@@ -24,6 +24,7 @@
   },
   "dependencies": {
     "@prettier/sync": "^0.5.1",
+    "@typescript-eslint/rule-creator": "workspace:*",
     "@typescript-eslint/rule-tester": "workspace:*",
     "@typescript-eslint/scope-manager": "workspace:*",
     "@typescript-eslint/type-utils": "workspace:*",

diff --git a/packages/eslint-plugin-internal/src/util/createRule.ts b/packages/eslint-plugin-internal/src/util/createRule.ts
@@ -1,4 +1,4 @@
-import { ESLintUtils } from '@typescript-eslint/utils';
+import { RuleCreator } from '@typescript-eslint/rule-creator';
 
 // note - cannot migrate this to an import statement because it will make TSC copy the package.json to the dist folder
 // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
@@ -8,7 +8,7 @@ export interface ESLintPluginInternalDocs {
   requiresTypeChecking?: true;
 }
 
-export const createRule = ESLintUtils.RuleCreator<ESLintPluginInternalDocs>(
+export const createRule = RuleCreator<ESLintPluginInternalDocs>(
   name =>
     `https://github.com/typescript-eslint/typescript-eslint/blob/v${version}/packages/eslint-plugin-internal/src/rules/${name}.ts`,
 );
diff --git a/packages/eslint-plugin-internal/tsconfig.build.json b/packages/eslint-plugin-internal/tsconfig.build.json
@@ -5,6 +5,9 @@
     {
       "path": "../type-utils/tsconfig.build.json"
     },
+    {
+      "path": "../rule-creator/tsconfig.build.json"
+    },
     {
       "path": "../scope-manager/tsconfig.build.json"
     },

diff --git a/packages/eslint-plugin-internal/tsconfig.json b/packages/eslint-plugin-internal/tsconfig.json
@@ -6,6 +6,9 @@
     {
       "path": "../type-utils"
     },
+    {
+      "path": "../rule-creator"
+    },
     {
       "path": "../scope-manager"
     },

diff --git a/packages/eslint-plugin/package.json b/packages/eslint-plugin/package.json
@@ -61,6 +61,7 @@
   },
   "dependencies": {
     "@eslint-community/regexpp": "^4.10.0",
+    "@typescript-eslint/rule-creator": "8.32.0",
     "@typescript-eslint/scope-manager": "8.32.0",
     "@typescript-eslint/type-utils": "8.32.0",
     "@typescript-eslint/utils": "8.32.0",

diff --git a/packages/eslint-plugin/src/rules/member-ordering.ts b/packages/eslint-plugin/src/rules/member-ordering.ts
@@ -1,7 +1,7 @@
 // This rule was feature-frozen before we enabled no-property-in-node.
 /* eslint-disable eslint-plugin/no-property-in-node */
 
-import type { JSONSchema, TSESLint, TSESTree } from '@typescript-eslint/utils';
+import type { TSESLint, TSESTree } from '@typescript-eslint/utils';
 
 import { AST_NODE_TYPES } from '@typescript-eslint/utils';
 import naturalCompare from 'natural-compare';
@@ -12,6 +12,7 @@ import {
   getNameFromMember,
   MemberNameType,
 } from '../util';
+import { JSONSchema4 } from '@typescript-eslint/utils/json-schema';
 
 export type MessageIds =
   | 'incorrectGroupOrder'
@@ -91,12 +92,12 @@ export type Options = [
   },
 ];
 
-const neverConfig: JSONSchema.JSONSchema4 = {
+const neverConfig: JSONSchema4 = {
   type: 'string',
   enum: ['never'],
 };
 
-const arrayConfig = (memberTypes: string): JSONSchema.JSONSchema4 => ({
+const arrayConfig = (memberTypes: string): JSONSchema4 => ({
   type: 'array',
   items: {
     oneOf: [
@@ -113,7 +114,7 @@ const arrayConfig = (memberTypes: string): JSONSchema.JSONSchema4 => ({
   },
 });
 
-const objectConfig = (memberTypes: string): JSONSchema.JSONSchema4 => ({
+const objectConfig = (memberTypes: string): JSONSchema4 => ({
   type: 'object',
   additionalProperties: false,
   properties: {

diff --git a/packages/eslint-plugin/src/rules/naming-convention-utils/schema.ts b/packages/eslint-plugin/src/rules/naming-convention-utils/schema.ts
@@ -1,4 +1,4 @@
-import type { JSONSchema } from '@typescript-eslint/utils';
+import type { JSONSchema4 } from '@typescript-eslint/utils/json-schema';
 
 import type {
   IndividualAndMetaSelectorsString,
@@ -15,7 +15,7 @@ import {
   UnderscoreOptions,
 } from './enums';
 
-const $DEFS: Record<string, JSONSchema.JSONSchema4> = {
+const $DEFS: Record<string, JSONSchema4> = {
   // enums
   predefinedFormats: {
     enum: getEnumNames(PredefinedFormats),
@@ -64,16 +64,16 @@ const $DEFS: Record<string, JSONSchema.JSONSchema4> = {
   },
 };
 
-const UNDERSCORE_SCHEMA: JSONSchema.JSONSchema4 = {
+const UNDERSCORE_SCHEMA: JSONSchema4 = {
   $ref: '#/$defs/underscoreOptions',
 };
-const PREFIX_SUFFIX_SCHEMA: JSONSchema.JSONSchema4 = {
+const PREFIX_SUFFIX_SCHEMA: JSONSchema4 = {
   $ref: '#/$defs/prefixSuffixConfig',
 };
-const MATCH_REGEX_SCHEMA: JSONSchema.JSONSchema4 = {
+const MATCH_REGEX_SCHEMA: JSONSchema4 = {
   $ref: '#/$defs/matchRegexConfig',
 };
-type JSONSchemaProperties = Record<string, JSONSchema.JSONSchema4>;
+type JSONSchemaProperties = Record<string, JSONSchema4>;
 const FORMAT_OPTIONS_PROPERTIES: JSONSchemaProperties = {
   custom: MATCH_REGEX_SCHEMA,
   failureMessage: {
@@ -91,7 +91,7 @@ function selectorSchema(
   selectorString: IndividualAndMetaSelectorsString,
   allowType: boolean,
   modifiers?: ModifiersString[],
-): JSONSchema.JSONSchema4[] {
+): JSONSchema4[] {
   const selector: JSONSchemaProperties = {
     filter: {
       oneOf: [
@@ -141,7 +141,7 @@ function selectorSchema(
   ];
 }
 
-function selectorsSchema(): JSONSchema.JSONSchema4 {
+function selectorsSchema(): JSONSchema4 {
   return {
     additionalProperties: false,
     description: 'Multiple selectors in one config',
@@ -185,7 +185,7 @@ function selectorsSchema(): JSONSchema.JSONSchema4 {
   };
 }
 
-export const SCHEMA: JSONSchema.JSONSchema4 = {
+export const SCHEMA: JSONSchema4 = {
   $defs: $DEFS,
   additionalItems: false,
   items: {

diff --git a/packages/eslint-plugin/src/util/createRule.ts b/packages/eslint-plugin/src/util/createRule.ts
@@ -1,7 +1,7 @@
-import { ESLintUtils } from '@typescript-eslint/utils';
+import { RuleCreator } from '@typescript-eslint/rule-creator';
 
 import type { ESLintPluginDocs } from '../../rules';
 
-export const createRule = ESLintUtils.RuleCreator<ESLintPluginDocs>(
+export const createRule = RuleCreator<ESLintPluginDocs>(
   name => `https://typescript-eslint.io/rules/${name}`,
 );
diff --git a/packages/eslint-plugin/src/util/index.ts b/packages/eslint-plugin/src/util/index.ts
@@ -34,7 +34,6 @@ export * from './truthinessUtils';
 export * from '@typescript-eslint/type-utils';
 
 export const {
-  applyDefault,
   deepMerge,
   getParserServices,
   isObjectNotArray,

diff --git a/packages/eslint-plugin/tsconfig.build.json b/packages/eslint-plugin/tsconfig.build.json
@@ -5,6 +5,9 @@
     {
       "path": "../visitor-keys/tsconfig.build.json"
     },
+    {
+      "path": "../rule-creator/tsconfig.build.json"
+    },
     {
       "path": "../type-utils/tsconfig.build.json"
     },

diff --git a/packages/eslint-plugin/tsconfig.json b/packages/eslint-plugin/tsconfig.json
@@ -9,6 +9,9 @@
     {
       "path": "../type-utils"
     },
+    {
+      "path": "../rule-creator"
+    },
     {
       "path": "../scope-manager"
     },

diff --git a/packages/parser-services/LICENSE b/packages/parser-services/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 typescript-eslint and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/packages/parser-services/README.md b/packages/parser-services/README.md
@@ -0,0 +1,3 @@
+# `@typescript-eslint/parser-services`
+
+TODO
diff --git a/packages/parser-services/package.json b/packages/parser-services/package.json
@@ -0,0 +1,66 @@
+{
+  "name": "@typescript-eslint/parser-services",
+  "version": "8.32.0",
+  "description": "TODO",
+  "files": [
+    "dist",
+    "!*.tsbuildinfo",
+    "package.json",
+    "README.md",
+    "LICENSE"
+  ],
+  "type": "commonjs",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "default": "./dist/index.js"
+    },
+    "./package.json": "./package.json"
+  },
+  "types": "./dist/index.d.ts",
+  "engines": {
+    "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/typescript-eslint/typescript-eslint.git",
+    "directory": "packages/parser-services"
+  },
+  "bugs": {
+    "url": "https://github.com/typescript-eslint/typescript-eslint/issues"
+  },
+  "homepage": "https://typescript-eslint.io",
+  "license": "MIT",
+  "keywords": [
+    "eslint",
+    "typescript",
+    "estree"
+  ],
+  "scripts": {
+    "build": "tsc -b tsconfig.build.json",
+    "clean": "tsc -b tsconfig.build.json --clean",
+    "postclean": "rimraf dist/ coverage/",
+    "format": "prettier --write \"./**/*.{ts,mts,cts,tsx,js,mjs,cjs,jsx,json,md,css}\" --ignore-path ../../.prettierignore",
+    "lint": "npx nx lint",
+    "test": "vitest --run --config=$INIT_CWD/vitest.config.mts",
+    "check-types": "npx nx typecheck"
+  },
+  "dependencies": {
+    "@typescript-eslint/types-eslint": "^8.32.0",
+    "@typescript-eslint/typescript-estree": "^8.32.0",
+    "debug": "^4.3.4",
+    "fast-glob": "^3.3.2",
+    "is-glob": "^4.0.3"
+  },
+  "devDependencies": {
+    "@vitest/coverage-v8": "^3.1.2",
+    "prettier": "^3.2.5",
+    "rimraf": "*",
+    "typescript": "*",
+    "vitest": "^3.1.2"
+  },
+  "funding": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/typescript-eslint"
+  }
+}
diff --git a/packages/parser-services/project.json b/packages/parser-services/project.json
@@ -0,0 +1,16 @@
+{
+  "name": "parser-services",
+  "$schema": "../../node_modules/nx/schemas/project-schema.json",
+  "projectType": "library",
+  "root": "packages/parser-services",
+  "sourceRoot": "packages/parser-services/src",
+  "targets": {
+    "lint": {
+      "executor": "@nx/eslint:lint",
+      "outputs": ["{options.outputFile}"]
+    },
+    "test": {
+      "executor": "@nx/vite:test"
+    }
+      }
+}
diff --git a/...ges/typescript-estree/src/clear-caches.ts → packages/parser-services/src/clear-caches.ts b/...ges/typescript-estree/src/clear-caches.ts → packages/parser-services/src/clear-caches.ts
@@ -24,6 +24,3 @@ export function clearCaches(): void {
   clearTSServerProjectService();
   clearGlobCache();
 }
-
-// TODO - delete this in next major
-export const clearProgramCache = clearCaches;
diff --git a/...-program/WatchCompilerHostOfConfigFile.ts → ...-program/WatchCompilerHostOfConfigFile.ts b/...-program/WatchCompilerHostOfConfigFile.ts → ...-program/WatchCompilerHostOfConfigFile.ts
diff --git a/...c/create-program/createIsolatedProgram.ts → ...c/create-program/createIsolatedProgram.ts b/...c/create-program/createIsolatedProgram.ts → ...c/create-program/createIsolatedProgram.ts
@@ -8,7 +8,7 @@ import { getScriptKind } from './getScriptKind';
 import { createDefaultCompilerOptionsFromExtra } from './shared';
 
 const log = debug(
-  'typescript-eslint:typescript-estree:create-program:createIsolatedProgram',
+  'typescript-eslint:parser-services:create-program:createIsolatedProgram',
 );
 
 /**

diff --git a/...rc/create-program/createProjectProgram.ts → ...rc/create-program/createProjectProgram.ts b/...rc/create-program/createProjectProgram.ts → ...rc/create-program/createProjectProgram.ts
@@ -2,12 +2,12 @@ import type * as ts from 'typescript';
 
 import debug from 'debug';
 
-import type { ParseSettings } from '../parseSettings';
 import type { ASTAndDefiniteProgram } from './shared';
 
-import { firstDefined } from '../node-utils';
 import { createProjectProgramError } from './createProjectProgramError';
 import { getAstFromProgram } from './shared';
+import { ParseSettings } from '../parseSettings';
+import { firstDefined } from './utils';
 
 const log = debug(
   'typescript-eslint:typescript-estree:create-program:createProjectProgram',
@@ -23,6 +23,7 @@ export function createProjectProgram(
 ): ASTAndDefiniteProgram {
   log('Creating project program for: %s', parseSettings.filePath);
 
+  // TODO: switch to .find()?
   const astAndProgram = firstDefined(programsForProjects, currentProgram =>
     getAstFromProgram(currentProgram, parseSettings.filePath),
   );

diff --git a/...eate-program/createProjectProgramError.ts → ...eate-program/createProjectProgramError.ts b/...eate-program/createProjectProgramError.ts → ...eate-program/createProjectProgramError.ts
@@ -2,10 +2,9 @@ import type * as ts from 'typescript';
 
 import path from 'node:path';
 
-import type { ParseSettings } from '../parseSettings';
-
 import { describeFilePath } from './describeFilePath';
 import { DEFAULT_EXTRA_FILE_EXTENSIONS } from './shared';
+import { ParseSettings } from '../parseSettings';
 
 export function createProjectProgramError(
   parseSettings: ParseSettings,

diff --git a/...rc/create-program/createProjectService.ts → ...rc/create-program/createProjectService.ts b/...rc/create-program/createProjectService.ts → ...rc/create-program/createProjectService.ts
@@ -3,10 +3,9 @@ import type * as ts from 'typescript/lib/tsserverlibrary';
 
 import debug from 'debug';
 
-import type { ProjectServiceOptions } from '../parser-options';

 import { getParsedConfigFile } from './getParsedConfigFile';
 import { validateDefaultProjectForFilesGlob } from './validateDefaultProjectForFilesGlob';
+import { ProjectServiceOptions } from '@typescript-eslint/types';
 
 const DEFAULT_PROJECT_MATCHED_FILES_THRESHOLD = 8;
 

diff --git a/...ee/src/create-program/createSourceFile.ts → ...es/src/create-program/createSourceFile.ts b/...ee/src/create-program/createSourceFile.ts → ...es/src/create-program/createSourceFile.ts
@@ -1,11 +1,11 @@
 import debug from 'debug';
 import * as ts from 'typescript';
 
-import type { ParseSettings } from '../parseSettings';
 import type { ASTAndNoProgram } from './shared';
 
-import { isSourceFile } from '../source-files';
 import { getScriptKind } from './getScriptKind';
+import { ParseSettings } from '../parseSettings';
+import { isSourceFile } from '../source-files';
 
 const log = debug(
   'typescript-eslint:typescript-estree:create-program:createSourceFile',

diff --git a/...ee/src/create-program/describeFilePath.ts → ...es/src/create-program/describeFilePath.ts b/...ee/src/create-program/describeFilePath.ts → ...es/src/create-program/describeFilePath.ts
diff --git a/...src/create-program/getParsedConfigFile.ts → ...src/create-program/getParsedConfigFile.ts b/...src/create-program/getParsedConfigFile.ts → ...src/create-program/getParsedConfigFile.ts
diff --git a/...stree/src/create-program/getScriptKind.ts → ...vices/src/create-program/getScriptKind.ts b/...stree/src/create-program/getScriptKind.ts → ...vices/src/create-program/getScriptKind.ts
-Original file line number
+Diff line change
@@ Expand Up / @@ -5,6 +5,9 @@ @@
         {
           "path": "../type-utils/tsconfig.build.json"
         },
+        {
+          "path": "../rule-creator/tsconfig.build.json"
+        },
         {
           "path": "../scope-manager/tsconfig.build.json"
         },
@@ Expand Down @@