feat: rewrite, speed up by using eslint-import-resolver-oxc under the hood

Author: JounQin

.eslintrc

@@ -4,6 +4,7 @@
     "node": true
   },
   "parserOptions": {
+    "sourceType": "module",
     "ecmaVersion": "latest"
   },
   "extends": [

.nvmrc

@@ -1 +1 @@
-18.20.6
+18.20.7

package.json

@@ -10,7 +10,7 @@
   ],
   "funding": "https://opencollective.com/unts/projects/eslint-import-resolver-ts",
   "license": "ISC",
-  "packageManager": "yarn@4.0.2",
+  "packageManager": "yarn@4.7.0",
   "engines": {
     "node": "^14.18.0 || >=16.0.0"
   },
@@ -19,15 +19,11 @@
   "exports": {
     ".": {
       "types": "./lib/index.d.ts",
-      "es2020": "./lib/index.es2020.mjs",
-      "fesm2020": "./lib/index.es2020.mjs",
       "import": "./lib/index.js",
       "require": "./lib/index.cjs"
     },
     "./package.json": "./package.json"
   },
-  "es2020": "lib/index.es2020.mjs",
-  "fesm2020": "lib/index.es2020.mjs",
   "types": "lib/index.d.ts",
   "files": [
     "lib",
@@ -48,13 +44,13 @@
     "lint": "run-p 'lint:*'",
     "lint:es": "eslint src --cache -f friendly",
     "lint:tsc": "tsc --noEmit",
-    "prepare": "simple-git-hooks",
+    "prepare": "patch-package && simple-git-hooks",
     "release": "changeset publish",
     "test": "run-p 'test:*'",
     "test:dotInclude": "eslint --ext ts,tsx tests/dotInclude --ignore-pattern \"!.dot\"",
     "test:dotPaths": "eslint --ext ts,tsx tests/dotPaths --ignore-pattern \"!.dot\"",
     "test:dotProject": "eslint --ext ts,tsx tests/dotProject --ignore-pattern \"!.dot\"",
-    "test:importXResolverV3": "eslint --config=tests/importXResolverV3/eslint.config.js tests/importXResolverV3",
+    "test:importXResolverV3": "cross-env ESLINT_USE_FLAT_CONFIG=true eslint --config=tests/importXResolverV3/eslint.config.js tests/importXResolverV3",
     "test:multipleEslintrcs": "eslint --ext ts,tsx tests/multipleEslintrcs",
     "test:multipleTsconfigs": "eslint --ext ts,tsx tests/multipleTsconfigs",
     "test:withJsExtension": "node tests/withJsExtension/test.js && eslint --ext ts,tsx tests/withJsExtension",
@@ -68,7 +64,8 @@
   "peerDependencies": {
     "eslint": "*",
     "eslint-plugin-import": "*",
-    "eslint-plugin-import-x": "*"
+    "eslint-plugin-import-x": "*",
+    "oxc-resolver": "^4.0.0 || ^5.0.0"
   },
   "peerDependenciesMeta": {
     "eslint-plugin-import": {
@@ -80,12 +77,10 @@
   },
   "dependencies": {
     "@nolyfill/is-core-module": "1.0.39",
+    "@pkgr/core": "^0.1.1",
     "debug": "^4.3.7",
-    "enhanced-resolve": "^5.15.0",
-    "get-tsconfig": "^4.10.0",
-    "is-bun-module": "^1.0.2",
-    "stable-hash": "^0.0.4",
-    "tinyglobby": "^0.2.12"
+    "eslint-import-resolver-oxc": "^0.12.0",
+    "is-bun-module": "^1.0.2"
   },
   "devDependencies": {
     "@1stg/eslint-config": "7.0.1",
@@ -98,20 +93,23 @@
     "@types/debug": "^4.1.12",
     "@types/node": "^18.19.78",
     "@types/unist": "^2.0.11",
+    "@unts/patch-package": "^8.1.1",
+    "cross-env": "^7.0.3",
     "dummy.js": "link:dummy.js",
     "eslint": "^8.57.1",
     "eslint-import-resolver-typescript": "link:.",
     "eslint-plugin-import": "npm:eslint-plugin-i@^2.29.1",
     "eslint-plugin-import-x": "^4.5.0",
     "lint-staged": "^13.3.0",
     "npm-run-all2": "^5.0.2",
+    "oxc-resolver": "^4.0.0",
     "prettier": "^2.8.8",
     "react": "^18.3.1",
     "simple-git-hooks": "^2.11.1",
     "size-limit": "^11.0.0",
     "size-limit-preset-node-lib": "^0.3.0",
     "type-coverage": "^2.27.0",
-    "typescript": "^5.3.2"
+    "typescript": "~5.1.0"
   },
   "resolutions": {
     "eslint-import-resolver-typescript": "link:.",

patches/@1stg+eslint-config+7.0.1.patch

@@ -0,0 +1,13 @@
+diff --git a/node_modules/@1stg/eslint-config/overrides.js b/node_modules/@1stg/eslint-config/overrides.js
+index 3c54ff2..d8aa880 100644
+--- a/node_modules/@1stg/eslint-config/overrides.js
++++ b/node_modules/@1stg/eslint-config/overrides.js
+@@ -88,7 +88,7 @@ const resolveSettings = {
+   'import/resolver': {
+     typescript: {
+       alwaysTryTypes: true,
+-      project,
++      tsconfig: { configFile: project },
+     },
+   },
+ }

patches/eslint-import-resolver-oxc+0.12.0.patch

@@ -0,0 +1,13 @@
+diff --git a/node_modules/eslint-import-resolver-oxc/dist/index.d.ts b/node_modules/eslint-import-resolver-oxc/dist/index.d.ts
+index 48e6c28..d085c3d 100644
+--- a/node_modules/eslint-import-resolver-oxc/dist/index.d.ts
++++ b/node_modules/eslint-import-resolver-oxc/dist/index.d.ts
+@@ -38,7 +38,7 @@ type BundlerOption<T extends SupportedBundler = SupportedBundler> = { [K in Supp
+ 	path?: string
+ 	options?: BundlerTransformerOptions[K]
+ } }[T];
+-interface OxcResolverOptions extends NapiResolveOptions {
++export interface OxcResolverOptions extends NapiResolveOptions {
+ 	/** @experimental detect bundler's resolve config */
+ 	bundlerConfig?: string | BundlerOption;
+ }

src/constants.ts

@@ -0,0 +1,63 @@
+export const defaultConditionNames = [
+  'types',
+  'import',
+
+  // APF: https://angular.io/guide/angular-package-format
+  'esm2020',
+  'es2020',
+  'es2015',
+
+  'require',
+  'node',
+  'node-addons',
+  'browser',
+  'default',
+]
+
+/**
+ * `.mts`, `.cts`, `.d.mts`, `.d.cts`, `.mjs`, `.cjs` are not included because `.cjs` and `.mjs` must be used explicitly
+ */
+export const defaultExtensions = [
+  '.ts',
+  '.tsx',
+  '.d.ts',
+  '.js',
+  '.jsx',
+  '.json',
+  '.node',
+]
+
+export const defaultExtensionAlias = {
+  '.js': [
+    '.ts',
+    // `.tsx` can also be compiled as `.js`
+    '.tsx',
+    '.d.ts',
+    '.js',
+  ],
+  '.jsx': ['.tsx', '.d.ts', '.jsx'],
+  '.cjs': ['.cts', '.d.cts', '.cjs'],
+  '.mjs': ['.mts', '.d.mts', '.mjs'],
+}
+
+export const defaultMainFields = [
+  'types',
+  'typings',
+
+  // APF: https://angular.io/guide/angular-package-format
+  'fesm2020',
+  'fesm2015',
+  'esm2020',
+  'es2020',
+
+  'module',
+  'jsnext:main',
+
+  'main',
+]
+
+export const JS_EXT_PATTERN = /\.(?:[cm]js|jsx?)$/
+
+export const IMPORT_RESOLVER_NAME = 'eslint-import-resolver-typescript'
+
+export const interfaceVersion = 2

src/helpers.ts

@@ -0,0 +1,21 @@
+/**
+ * For a scoped package, we must look in `@types/foo__bar` instead of `@types/@foo/bar`.
+ */
+export function mangleScopedPackage(moduleName: string) {
+  if (moduleName.startsWith('@')) {
+    const replaceSlash = moduleName.replace('/', '__')
+    if (replaceSlash !== moduleName) {
+      return replaceSlash.slice(1) // Take off the "@"
+    }
+  }
+  return moduleName
+}
+
+/** Remove any trailing querystring from module id. */
+export function removeQuerystring(id: string) {
+  const querystringIndex = id.lastIndexOf('?')
+  if (querystringIndex >= 0) {
+    return id.slice(0, querystringIndex)
+  }
+  return id
+}