update to eslint v9 fixes: github#1670

eslint.config.js

@@ -0,0 +1,41 @@
+import globals from 'globals';
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import importPlugin from 'eslint-plugin-import';
+import eslintConfigPrettier from 'eslint-config-prettier'
+
+export default tseslint.config(
+    {
+        languageOptions: {
+            globals: {
+                ...globals.browser,
+                ...globals.node,
+                ...globals.jest,
+                ...globals.jasmine
+            }
+        }
+    },
+    {
+        ignores: ["**/dist/*", "**/*.cjs", "**/*.min.js"]
+    },
+    eslint.configs.recommended,
+    tseslint.configs.recommended,
+    importPlugin.flatConfigs.typescript,
+    eslintConfigPrettier,
+    {
+        rules: {
+            "@typescript-eslint/no-unsafe-function-type": "off",
+            "@typescript-eslint/no-explicit-any": "off",
+        }
+    },
+    {
+        // Specific rules for tests
+        files: ["**/__tests__/**"],
+        rules: {
+            "@typescript-eslint/no-unused-vars": "off",
+            "@typescript-eslint/ban-ts-comment": "off",
+            "@typescript-eslint/no-this-alias": "off",
+            "prefer-rest-params": "off",
+        }
+    }
+)