diff --git a/eslint.config.js b/eslint.config.js
index b6f6e04ab..c5fd5bb06 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -1,34 +1,52 @@
 import globals from "globals";
-import path from "node:path";
-import { fileURLToPath } from "node:url";
-import js from "@eslint/js";
-import { FlatCompat } from "@eslint/eslintrc";
+import pluginJs from "@eslint/js";
+import stylisticJs from "@stylistic/eslint-plugin-js";
+import prettier from "eslint-config-prettier";
 
-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 const GLOB_SRC_EXT = '?([cm])[jt]s?(x)'
 
-export default [
-	...compat.extends("eslint:recommended", "prettier"),
-	{
-		languageOptions: {
-			globals: {
-				...globals.node,
-			},
-
-			ecmaVersion: "latest",
-			sourceType: "module",
-		},
+export const GLOB_TESTS = [
+  `**/test/**/*.${GLOB_SRC_EXT}`,
+  `**/__tests__/**/*.${GLOB_SRC_EXT}`,
+  `**/*.spec.${GLOB_SRC_EXT}`,
+  `**/*.test.${GLOB_SRC_EXT}`,
+  `**/*.bench.${GLOB_SRC_EXT}`,
+  `**/*.benchmark.${GLOB_SRC_EXT}`,
+]
 
-		rules: {
-			"no-async-promise-executor": "warn",
-			"no-prototype-builtins": "warn",
-			"no-unused-vars": "warn",
-			"space-unary-ops": "error",
-		},
-	},
+export default [
+  {
+    name: "11ty/setup/js",
+    ...pluginJs.configs.recommended,
+  },
+  {
+    name: "11ty/rules/project-specific",
+    plugins: {
+      "@stylistic/js": stylisticJs,
+    },
+    languageOptions: {
+      globals: {
+        ...globals.node,
+      },
+      ecmaVersion: "latest",
+      sourceType: "module",
+    },
+    rules: {
+      "no-async-promise-executor": "warn",
+      "no-prototype-builtins": "warn",
+      "no-unused-vars": "warn",
+      "@stylistic/js/space-unary-ops": "error",
+    },
+  },
+  {
+    name: "11ty/ignores",
+    files: GLOB_TESTS,
+    rules: {
+      "no-unused-vars": "off",
+    },
+  },
+  {
+    name: "11ty/setup/prettier",
+    ...prettier,
+  },
 ];
diff --git a/package-lock.json b/package-lock.json
index 847a23d1d..d6e426f9a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -51,16 +51,15 @@
 				"@11ty/eleventy-img": "^6.0.2",
 				"@11ty/eleventy-plugin-rss": "^2.0.3",
 				"@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
-				"@eslint/eslintrc": "^3.3.1",
 				"@eslint/js": "^9.24.0",
 				"@iarna/toml": "^2.2.5",
 				"@mdx-js/node-loader": "^3.1.0",
+				"@stylistic/eslint-plugin-js": "^4.2.0",
 				"@types/node": "^22.14.1",
 				"@vue/server-renderer": "^3.5.13",
 				"@zachleat/noop": "^1.0.4",
 				"ava": "^6.2.0",
 				"c8": "^10.1.3",
-				"cross-env": "^7.0.3",
 				"eslint": "^9.24.0",
 				"eslint-config-prettier": "^10.1.2",
 				"globals": "^16.0.0",
@@ -2051,6 +2050,23 @@
 				"url": "https://github.com/sponsors/sindresorhus"
 			}
 		},
+		"node_modules/@stylistic/eslint-plugin-js": {
+			"version": "4.2.0",
+			"resolved": "https://registry.npmjs.org/@stylistic/eslint-plugin-js/-/eslint-plugin-js-4.2.0.tgz",
+			"integrity": "sha512-MiJr6wvyzMYl/wElmj8Jns8zH7Q1w8XoVtm+WM6yDaTrfxryMyb8n0CMxt82fo42RoLIfxAEtM6tmQVxqhk0/A==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"eslint-visitor-keys": "^4.2.0",
+				"espree": "^10.3.0"
+			},
+			"engines": {
+				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+			},
+			"peerDependencies": {
+				"eslint": ">=9.0.0"
+			}
+		},
 		"node_modules/@types/acorn": {
 			"version": "4.0.6",
 			"resolved": "https://registry.npmjs.org/@types/acorn/-/acorn-4.0.6.tgz",
@@ -3306,25 +3322,6 @@
 				"node": "^12.20.0 || ^14.13.1 || >=16.0.0"
 			}
 		},
-		"node_modules/cross-env": {
-			"version": "7.0.3",
-			"resolved": "https://registry.npmjs.org/cross-env/-/cross-env-7.0.3.tgz",
-			"integrity": "sha512-+/HKd6EgcQCJGh2PSjZuUitQBQynKor4wrFbRg4DtAgS1aWO+gU52xpH7M9ScGgXSYmAVS9bIJ8EzuaGw0oNAw==",
-			"dev": true,
-			"license": "MIT",
-			"dependencies": {
-				"cross-spawn": "^7.0.1"
-			},
-			"bin": {
-				"cross-env": "src/bin/cross-env.js",
-				"cross-env-shell": "src/bin/cross-env-shell.js"
-			},
-			"engines": {
-				"node": ">=10.14",
-				"npm": ">=6",
-				"yarn": ">=1"
-			}
-		},
 		"node_modules/cross-spawn": {
 			"version": "7.0.6",
 			"resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
diff --git a/package.json b/package.json
index 52e7502f9..44e01712c 100644
--- a/package.json
+++ b/package.json
@@ -92,16 +92,15 @@
 		"@11ty/eleventy-img": "^6.0.2",
 		"@11ty/eleventy-plugin-rss": "^2.0.3",
 		"@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
-		"@eslint/eslintrc": "^3.3.1",
 		"@eslint/js": "^9.24.0",
 		"@iarna/toml": "^2.2.5",
 		"@mdx-js/node-loader": "^3.1.0",
+		"@stylistic/eslint-plugin-js": "^4.2.0",
 		"@types/node": "^22.14.1",
 		"@vue/server-renderer": "^3.5.13",
 		"@zachleat/noop": "^1.0.4",
 		"ava": "^6.2.0",
 		"c8": "^10.1.3",
-		"cross-env": "^7.0.3",
 		"eslint": "^9.24.0",
 		"eslint-config-prettier": "^10.1.2",
 		"globals": "^16.0.0",