diff --git a/.eslintignore b/.eslintignore
deleted file mode 100644
index fc40c5a..0000000
--- a/.eslintignore
+++ /dev/null
@@ -1 +0,0 @@
-/**/*.js
diff --git a/.eslintrc.json b/.eslintrc.json
deleted file mode 100644
index 2119c01..0000000
--- a/.eslintrc.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "env": {
-    "browser": false,
-    "es6": true,
-    "node": true
-  },
-  "parser": "@typescript-eslint/parser",
-  "parserOptions": {
-    "project": "tsconfig.json",
-    "sourceType": "module",
-    "ecmaVersion": 2020
-  },
-  "plugins": ["@typescript-eslint", "jest"],
-  "extends": [
-    "eslint:recommended",
-    "plugin:@typescript-eslint/recommended",
-    "plugin:jest/recommended",
-    "prettier"
-  ],
-  "rules": {}
-}
diff --git a/eslint.config.mjs b/eslint.config.mjs
new file mode 100644
index 0000000..0e2e690
--- /dev/null
+++ b/eslint.config.mjs
@@ -0,0 +1,36 @@
+// @ts-check
+
+import eslint from "@eslint/js";
+import tseslint from "@typescript-eslint/eslint-plugin";
+import tsParser from "@typescript-eslint/parser";
+import jestPlugin from "eslint-plugin-jest";
+import prettierConfig from "eslint-config-prettier";
+
+export default [
+  {
+    ignores: ["lib/**", "**/*.js"],
+  },
+  eslint.configs.recommended,
+  ...tseslint.configs["flat/recommended"],
+  {
+    files: ["**/*.ts", "**/*.mts"],
+    languageOptions: {
+      parser: tsParser,
+      parserOptions: {
+        project: "tsconfig.json",
+        sourceType: "module",
+        ecmaVersion: 2020,
+      },
+    },
+  },
+  {
+    files: ["**/*.test.ts", "**/*.spec.ts"],
+    plugins: {
+      jest: jestPlugin,
+    },
+    rules: {
+      ...jestPlugin.configs["flat/recommended"].rules,
+    },
+  },
+  prettierConfig,
+];
diff --git a/package-lock.json b/package-lock.json
index e7d9a7a..d13b32d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -80,7 +80,6 @@
       "integrity": "sha512-e7jT4DxYvIDLk1ZHmU/m/mB19rex9sv0c2ftBtjSBv+kVM/902eh0fINUzD7UwLLNR+jU585GxUJ8/EBfAM5fw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.27.1",
         "@babel/generator": "^7.28.5",
@@ -2626,7 +2625,6 @@
       "integrity": "sha512-jCzKdm/QK0Kg4V4IK/oMlRZlY+QOcdjv89U2NgKHZk1CYTj82/RVSx1mV/0gqCVMJ/DA+Zf/S4NBWNF8GQ+eqQ==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.48.0",
         "@typescript-eslint/types": "8.48.0",
@@ -3133,7 +3131,6 @@
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -3313,7 +3310,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.8.25",
         "caniuse-lite": "^1.0.30001754",
@@ -3646,7 +3642,6 @@
       "integrity": "sha512-BhHmn2yNOFA9H9JmmIVKJmd288g9hrVRDkdoIgRCRuSySRUHH7r/DI6aAXW9T1WwUuY3DFgrcaqB+deURBLR5g==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -4261,9 +4256,9 @@
       "dev": true
     },
     "node_modules/handlebars": {
-      "version": "4.7.8",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.8.tgz",
-      "integrity": "sha512-vafaFqs8MZkRrSX7sFVUdo3ap/eNiLnb4IakshzvP56X5Nr1iGKAIqdX6tMlm6HcNRIkr6AxO5jFEoJzzpT8aQ==",
+      "version": "4.7.9",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.9.tgz",
+      "integrity": "sha512-4E71E0rpOaQuJR2A3xDZ+GM1HyWYv1clR58tC8emQNeQe3RH7MAzSbat+V0wG78LQBo6m6bzSG/L4pBuCsgnUQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -4539,7 +4534,6 @@
       "integrity": "sha512-F26gjC0yWN8uAA5m5Ss8ZQf5nDHWGlN/xWZIh8S5SRbsEKBovwZhxGd6LJlbZYxBgCYOtreSUyb8hpXyGC5O4A==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@jest/core": "30.2.0",
         "@jest/types": "30.2.0",
@@ -9215,7 +9209,6 @@
       "version": "4.0.3",
       "inBundle": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -10124,7 +10117,6 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -10298,7 +10290,6 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"