refactor!: bump typescript-eslint to v8

.changeset/smooth-donkeys-drive.md

@@ -0,0 +1,5 @@
+---
+"eslint-plugin-import-x": major
+---
+
+Use typescript-eslint v8. The minimum supported ESLint version is now >= 8.57.0 and the minimum required Node.js version is now 18.18.0.

.eslintrc.js

@@ -23,7 +23,7 @@ module.exports = {
   },
   rules: {
     '@typescript-eslint/no-non-null-assertion': 'off',
-    '@typescript-eslint/no-var-requires': 'off',
+    '@typescript-eslint/no-require-imports': 'off',
 
     'eslint-plugin/consistent-output': ['error', 'always'],
     'eslint-plugin/meta-property-ordering': 'error',

.github/workflows/ci.yml

@@ -14,12 +14,13 @@ jobs:
           - ubuntu-latest
           # - windows-latest
         node:
-          - 16
           - 18
           - 20
+          - 22
         eslint:
           - '8.56'
           - '8'
+          - '9'
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Repo

package.json

@@ -7,7 +7,7 @@
   "license": "MIT",
   "packageManager": "yarn@1.22.19",
   "engines": {
-    "node": ">=16"
+    "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
   },
   "main": "lib/index.js",
   "exports": {
@@ -35,7 +35,7 @@
     "codesandbox:install": "yarn --ignore-engines",
     "lint": "run-p lint:*",
     "lint:docs": "yarn update:eslint-docs --check",
-    "lint:es": "eslint . --cache",
+    "lint:es": "ESLINT_USE_FLAT_CONFIG=false eslint . --cache",
     "lint:tsc": "tsc -p tsconfig.base.json --noEmit",
     "prepare": "patch-package",
     "release": "changeset publish",
@@ -45,57 +45,60 @@
     "watch": "yarn test --watch"
   },
   "peerDependencies": {
-    "eslint": "^8.56.0 || ^9.0.0-0"
+    "eslint": "^8.57.0 || ^9.0.0"
   },
   "dependencies": {
-    "@typescript-eslint/utils": "^7.4.0",
+    "@typescript-eslint/utils": "^8.1.0",
     "debug": "^4.3.4",
     "doctrine": "^3.0.0",
     "eslint-import-resolver-node": "^0.3.9",
     "get-tsconfig": "^4.7.3",
     "is-glob": "^4.0.3",
     "minimatch": "^9.0.3",
-    "semver": "^7.6.0",
+    "semver": "^7.6.3",
     "stable-hash": "^0.0.4",
-    "tslib": "^2.6.2"
+    "tslib": "^2.6.3"
   },
   "devDependencies": {
     "@1stg/prettier-config": "^4.0.1",
     "@1stg/tsconfig": "^2.3.3",
-    "@angular-eslint/template-parser": "^17.3.0",
-    "@babel/core": "^7.24.3",
-    "@babel/eslint-parser": "^7.24.1",
-    "@babel/plugin-proposal-decorators": "^7.24.1",
-    "@babel/plugin-proposal-export-default-from": "^7.24.1",
-    "@babel/preset-env": "^7.24.3",
-    "@babel/preset-flow": "^7.24.1",
-    "@babel/preset-react": "^7.24.1",
-    "@babel/preset-typescript": "^7.24.1",
-    "@babel/register": "^7.23.7",
+    "@angular-eslint/template-parser": "^17.5.2",
+    "@babel/core": "^7.25.2",
+    "@babel/eslint-parser": "^7.25.1",
+    "@babel/plugin-proposal-decorators": "^7.24.7",
+    "@babel/plugin-proposal-export-default-from": "^7.24.7",
+    "@babel/preset-env": "^7.25.3",
+    "@babel/preset-flow": "^7.24.7",
+    "@babel/preset-react": "^7.24.7",
+    "@babel/preset-typescript": "^7.24.7",
+    "@babel/register": "^7.24.6",
     "@changesets/changelog-github": "^0.5.0",
     "@changesets/cli": "^2.27.1",
     "@eslint/import-test-order-redirect-scoped": "link:./test/fixtures/order-redirect-scoped",
-    "@swc-node/jest": "^1.8.0",
-    "@swc/core": "^1.4.11",
-    "@swc/helpers": "^0.5.7",
+    "@swc-node/jest": "^1.8.12",
+    "@swc/core": "^1.7.6",
+    "@swc/helpers": "^0.5.12",
     "@test-scope/some-module": "link:./test/fixtures/symlinked-module",
     "@total-typescript/ts-reset": "^0.5.1",
     "@types/debug": "^4.1.12",
     "@types/doctrine": "^0.0.9",
-    "@types/eslint": "^8.56.6",
+    "@types/eslint": "^9.6.0",
+    "@types/eslint8.56": "npm:@types/eslint@^8.56.11",
+    "@types/eslint9": "npm:@types/eslint@^9.6.0",
     "@types/is-glob": "^4.0.4",
     "@types/jest": "^29.5.12",
     "@types/json-schema": "^7.0.15",
     "@types/node": "^20.11.30",
-    "@typescript-eslint/eslint-plugin": "^7.4.0",
-    "@typescript-eslint/parser": "^7.4.0",
+    "@typescript-eslint/eslint-plugin": "^8.1.0",
+    "@typescript-eslint/parser": "^8.1.0",
+    "@typescript-eslint/rule-tester": "^8.1.0",
     "@unts/patch-package": "^8.0.0",
     "cross-env": "^7.0.3",
     "enhanced-resolve": "^5.16.0",
     "escope": "^4.0.0",
-    "eslint": "^7.2.0 || ^8",
+    "eslint": "^9.9.0",
     "eslint-config-prettier": "^9.1.0",
-    "eslint-doc-generator": "^1.7.0",
+    "eslint-doc-generator": "^1.7.1",
     "eslint-import-resolver-typescript": "^3.6.1",
     "eslint-import-resolver-webpack": "^0.13.8",
     "eslint-import-test-order-redirect": "link:./test/fixtures/order-redirect",
@@ -106,14 +109,17 @@
     "eslint-plugin-n": "^16.6.2",
     "eslint-plugin-prettier": "^5.1.3",
     "eslint-plugin-unicorn": "^51.0.1",
+    "eslint8.56": "npm:eslint@^8.56.0",
+    "eslint9": "npm:eslint@^9.8.0",
+    "hermes-eslint": "^0.23.1",
     "jest": "^29.7.0",
     "npm-run-all2": "^6.1.2",
     "prettier": "^3.2.5",
     "redux": "^5.0.1",
-    "rimraf": "^5.0.5",
+    "rimraf": "^5.0.10",
     "svelte": "^4.2.12",
     "ts-node": "^10.9.2",
     "type-fest": "^4.14.0",
-    "typescript": "^5.4.3"
+    "typescript": "^5.5.4"
   }
 }

src/config/react.ts

@@ -11,9 +11,11 @@ export = {
   settings: {
     'import-x/extensions': ['.js', '.jsx'],
   },
-  parserOptions: {
-    ecmaFeatures: {
-      jsx: true,
+  languageOptions: {
+    parserOptions: {
+      ecmaFeatures: {
+        jsx: true,
+      },
     },
   },
 } satisfies PluginConfig

src/rules/dynamic-import-chunkname.ts

@@ -1,7 +1,7 @@
 import vm from 'node:vm'
 
 import type { TSESTree } from '@typescript-eslint/utils'
-import type { RuleFixer } from '@typescript-eslint/utils/dist/ts-eslint'
+import type { RuleFixer } from '@typescript-eslint/utils/ts-eslint'
 
 import { createRule } from '../utils'
 

src/rules/imports-first.ts

@@ -1,13 +1,7 @@
-import { ESLintUtils } from '@typescript-eslint/utils'
-
-import { docsUrl } from '../utils/docs-url'
+import { createRule } from '../utils'
 
 import first from './first'
 
-const createRule = ESLintUtils.RuleCreator(ruleName =>
-  docsUrl(ruleName, '7b25c1cb95ee18acc1531002fd343e1e6031f9ed'),
-)
-
 export = createRule({
   ...first,
   name: 'imports-first',

src/types.ts

@@ -1,6 +1,5 @@
 import type { TSESLint, TSESTree } from '@typescript-eslint/utils'
 import type { ResolveOptions } from 'enhanced-resolve'
-import type { TsResolverOptions } from 'eslint-import-resolver-typescript'
 import type { MinimatchOptions } from 'minimatch'
 import type { KebabCase, LiteralUnion } from 'type-fest'
 
@@ -21,6 +20,12 @@ export type WebpackResolverOptions = {
   argv?: Record<string, unknown>
 }
 
+export type TsResolverOptions = {
+  alwaysTryTypes?: boolean
+  project?: string[] | string
+  extensions?: string[]
+} & Omit<ResolveOptions, 'fileSystem' | 'useSyncFileSystemCalls'>
+
 export type FileExtension = `.${string}`
 
 export type DocStyle = 'jsdoc' | 'tomdoc'
@@ -63,7 +68,7 @@ export type PluginConfig = {
   plugins?: [PluginName]
   settings?: PluginSettings
   rules?: Record<`${PluginName}/${string}`, TSESLint.Linter.RuleEntry>
-} & TSESLint.Linter.Config
+} & TSESLint.Linter.ConfigType
 
 export type RuleContext<
   TMessageIds extends string = string,
@@ -89,11 +94,10 @@ export type ParseError = {
   column: number
 } & Error
 
-// eslint-disable-next-line @typescript-eslint/ban-types
-export type CustomESTreeNode<Type extends string, T extends object = {}> = Omit<
-  TSESTree.BaseNode,
-  'type'
-> & {
+export type CustomESTreeNode<
+  Type extends string,
+  T extends object = object,
+> = Omit<TSESTree.BaseNode, 'type'> & {
   type: Type
 } & T
 

src/utils/create-rule.ts

@@ -2,4 +2,13 @@ import { ESLintUtils } from '@typescript-eslint/utils'
 
 import { docsUrl } from './docs-url'
 
-export const createRule = ESLintUtils.RuleCreator(docsUrl)
+type ImportXPluginDocs = {
+  /**
+   * The category the rule falls under
+   */
+  category?: string
+
+  recommended?: true
+}
+
+export const createRule = ESLintUtils.RuleCreator<ImportXPluginDocs>(docsUrl)

src/utils/parse.ts

@@ -15,9 +15,9 @@ import { moduleRequire } from './module-require'
 const log = debug('eslint-plugin-import-x:parse')
 
 function keysFromParser(
-  parserPath: string | TSESLint.Linter.ParserModule,
-  parserInstance: TSESLint.Linter.ParserModule,
-  parsedResult?: TSESLint.Linter.ESLintParseResult,
+  parserPath: string | TSESLint.Parser.ParserModule,
+  parserInstance: TSESLint.Parser.ParserModule,
+  parsedResult?: TSESLint.Parser.ParseResult,
 ) {
   // Exposed by @typescript-eslint/parser and @babel/eslint-parser
   if (parsedResult && parsedResult.visitorKeys) {
@@ -130,6 +130,7 @@ export function parse(
       console.warn(
         // Can only be invalid for custom parser per imports/parser
         `\`parseForESLint\` from parser \`${typeof parserOrPath === 'string' ? parserOrPath : '`context.languageOptions.parser`'}\` is invalid and will just be ignored`,
+        { content, parserMeta: parser.meta },
       )
     } else {
       return makeParseReturn(ast, keysFromParser(parserOrPath, parser))

test/cli.spec.ts

@@ -4,19 +4,18 @@
 
 import path from 'node:path'
 
-import { ESLint } from 'eslint'
 import eslintPkg from 'eslint/package.json'
+import { LegacyESLint } from 'eslint/use-at-your-own-risk'
 import semver from 'semver'
 
 import importPlugin from 'eslint-plugin-import-x'
 
 describe('CLI regression tests', () => {
   describe('issue #210', () => {
     it("doesn't throw an error on gratuitous, erroneous self-reference", () => {
-      const eslint = new ESLint({
-        useEslintrc: false,
+      const eslint = new LegacyESLint({
         overrideConfigFile: './test/fixtures/issue210.config.js',
-        rulePaths: ['./src/rules'],
+        // rulePaths: ['./src/rules'],
         overrideConfig: {
           rules: {
             named: 2,
@@ -34,10 +33,8 @@ describe('CLI regression tests', () => {
   describe('issue #1645', () => {
     it('throws an error on invalid JSON', async () => {
       const invalidJSON = './test/fixtures/just-json-files/invalid.json'
-      const eslint = new ESLint({
-        useEslintrc: false,
+      const eslint = new LegacyESLint({
         overrideConfigFile: './test/fixtures/just-json-files/.eslintrc.json',
-        rulePaths: ['./src/rules'],
         ignore: false,
         plugins: {
           // @ts-expect-error - incompatible types
@@ -58,6 +55,7 @@ describe('CLI regression tests', () => {
               nodeType: results[0].messages[0].nodeType, // we don't care about this one
               ruleId: 'json/*',
               severity: 2,
+              // @ts-expect-error - legacy types
               source: results[0].messages[0].source, // NewLine-characters might differ depending on git-settings
             },
           ],