bump eslint to v9

docs/oidc-client-ts.api.md

@@ -15,13 +15,13 @@ export class AccessTokenEvents {
     addAccessTokenExpired(cb: AccessTokenCallback): () => void;
     addAccessTokenExpiring(cb: AccessTokenCallback): () => void;
     // (undocumented)
-    load(container: User): void;
+    load(container: User): Promise<void>;
     // (undocumented)
     protected readonly _logger: Logger;
     removeAccessTokenExpired(cb: AccessTokenCallback): void;
     removeAccessTokenExpiring(cb: AccessTokenCallback): void;
     // (undocumented)
-    unload(): void;
+    unload(): Promise<void>;
 }
 
 // @public (undocumented)

eslint.config.mjs

@@ -0,0 +1,120 @@
+import stylistic from "@stylistic/eslint-plugin";
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import testingLibrary from "eslint-plugin-testing-library";
+import globals from "globals";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all,
+});
+
+export default [{
+    ignores: [
+        ".yarn/",
+        ".pnp.*",
+        "**/node_modules/",
+        "**/dist/",
+        "docs/pages/",
+        "**/lib/",
+        "**/samples/",
+    ],
+}, ...compat.extends("eslint:recommended", "plugin:testing-library/dom"), {
+    plugins: {
+        "@typescript-eslint": typescriptEslint,
+        "@stylistic": stylistic,
+        "testing-library": testingLibrary,
+    },
+
+    languageOptions: {
+        globals: {
+            ...globals.browser,
+            ...globals.node,
+        },
+
+        ecmaVersion: 2020,
+        sourceType: "module",
+    },
+
+    rules: {
+        "comma-dangle": ["error", "always-multiline"],
+        "consistent-return": "error",
+
+        indent: ["error", 4, {
+            SwitchCase: 1,
+        }],
+
+        quotes: "error",
+        semi: "error",
+        "keyword-spacing": "error",
+        "space-before-blocks": "error",
+
+        "no-multiple-empty-lines": ["error", {
+            max: 1,
+            maxBOF: 0,
+            maxEOF: 0,
+        }],
+
+        "no-multi-spaces": "error",
+    },
+}, ...compat.extends(
+    "plugin:@typescript-eslint/recommended",
+    "plugin:@typescript-eslint/recommended-requiring-type-checking",
+).map(config => ({
+    ...config,
+    files: ["**/*.ts", "**/*.tsx"],
+})), {
+    files: ["**/*.ts", "**/*.tsx"],
+
+    languageOptions: {
+        parserOptions: {
+            project: ["./tsconfig.json"],
+        },
+    },
+
+    rules: {
+        indent: "off",
+        semi: "off",
+        "no-return-await": "off",
+
+        "@stylistic/indent": ["error", 4, {
+            SwitchCase: 1,
+        }],
+
+        "@stylistic/member-delimiter-style": "error",
+        "@stylistic/object-curly-spacing": ["error", "always"],
+        "@stylistic/semi": "error",
+
+        "@typescript-eslint/return-await": ["error", "always"],
+        "@typescript-eslint/require-await": "off",
+        "@typescript-eslint/no-unsafe-argument": "off",
+        "@typescript-eslint/no-unsafe-assignment": "off",
+    },
+}, {
+    files: ["src/**/*"],
+
+    languageOptions: {
+        globals: {
+            ...Object.fromEntries(Object.entries(globals.node).map(([key]) => [key, "off"])),
+        },
+    },
+}, {
+    files: ["src/**/*.test.*", "test/**/*"],
+
+    languageOptions: {
+        globals: {
+            ...globals.jest,
+        },
+    },
+
+    rules: {
+        "@typescript-eslint/no-non-null-assertion": "off",
+        "@typescript-eslint/unbound-method": "off",
+    },
+}];

jest-environment-jsdom.cjs

@@ -1,11 +1,11 @@
-'use strict';
+"use strict";
 
-const { TextEncoder, TextDecoder } = require('util');
-const { default: $JSDOMEnvironment, TestEnvironment } = require('jest-environment-jsdom');
+const { TextEncoder, TextDecoder } = require("util");
+const { default: $JSDOMEnvironment, TestEnvironment } = require("jest-environment-jsdom");
 const crypto = require("crypto");
 
-Object.defineProperty(exports, '__esModule', {
-    value: true
+Object.defineProperty(exports, "__esModule", {
+    value: true,
 });
 
 class JSDOMEnvironment extends $JSDOMEnvironment {

jest.config.mjs

@@ -11,7 +11,7 @@ export default {
     collectCoverage,
     coverageReporters: collectCoverage ? ["lcov"] : ["lcov", "text"],
     moduleNameMapper: {
-        "^jose": "jose",  // map to jose cjs module otherwise jest breaks
+        "^jose": "jose", // map to jose cjs module otherwise jest breaks
     },
     transform: {
         "^.+\\.tsx?$": [