build: upgrade ESLint and its related packages

.prettierignore

@@ -9,5 +9,5 @@
 !astro.config.ts
 !package.json
 !.prettierrc
-!eslint.config.mjs
+!eslint.config.js
 !README.md

eslint.config.js

@@ -0,0 +1,20 @@
+import eslintPluginAstro from "eslint-plugin-astro";
+import globals from "globals";
+import jsxA11y from "eslint-plugin-jsx-a11y";
+import tseslint from "typescript-eslint";
+
+export default [
+  jsxA11y.flatConfigs.recommended,
+  ...tseslint.configs.recommended,
+  ...eslintPluginAstro.configs.recommended,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+      },
+    },
+  },
+  { rules: { "no-console": "error" } },
+  { ignores: ["dist/**", ".astro"] },
+];

eslint.config.mjs

@@ -1,44 +0,0 @@
-import js from "@eslint/js";
-import globals from "globals";
-import tseslint from "typescript-eslint";
-import astroParser from "astro-eslint-parser";
-import eslintPluginAstro from "eslint-plugin-astro";
-
-export default [
-  js.configs.recommended,
-  ...tseslint.configs.recommended,
-  ...eslintPluginAstro.configs.recommended,
-  {
-    languageOptions: {
-      globals: {
-        ...globals.browser,
-        ...globals.node,
-      },
-    },
-  },
-  {
-    files: ["*.astro"],
-    languageOptions: {
-      parser: astroParser,
-      parserOptions: {
-        parser: "@typescript-eslint/parser",
-        extraFileExtensions: [".astro"],
-      },
-    },
-  },
-  {
-    files: ["tailwind.config.cjs", "**/*.d.ts"],
-    rules: {
-      "@typescript-eslint/no-require-imports": "off",
-      "@typescript-eslint/triple-slash-reference": "off",
-    },
-  },
-  {
-    rules: {
-      "@typescript-eslint/no-unused-expressions": "off",
-    },
-  },
-  {
-    ignores: ["dist/**", ".astro"],
-  },
-];

package.json

@@ -33,17 +33,15 @@
     "@tailwindcss/typography": "^0.5.16",
     "@types/github-slugger": "^1.3.0",
     "@types/lodash.kebabcase": "^4.1.9",
-    "@types/react": "^19.0.8",
-    "@typescript-eslint/parser": "^8.23.0",
-    "astro-eslint-parser": "^1.2.1",
-    "eslint": "^9.20.0",
+    "@typescript-eslint/parser": "^8.25.0",
+    "eslint": "^9.21.0",
     "eslint-plugin-astro": "^1.3.1",
-    "globals": "^15.14.0",
+    "eslint-plugin-jsx-a11y": "^6.10.2",
+    "globals": "^16.0.0",
     "prettier": "^3.4.2",
     "prettier-plugin-astro": "^0.14.1",
     "prettier-plugin-tailwindcss": "^0.6.11",
-    "react": "^19.0.0",
-    "react-dom": "^19.0.0",
-    "typescript-eslint": "^8.23.0"
+    "typescript": "^5.7.3",
+    "typescript-eslint": "^8.25.0"
   }
 }