docs: update dependencies (#2140)

- Update all dependencies to the latest versions
- Migrate to ESLint flat configuration

website/docs/tutorials/react-rsc.md

@@ -143,7 +143,7 @@ There's one last caveat: in a real-world app, you will need to localize many pag
 - [Why do nested layouts/pages render before their parent layouts?](https://github.com/vercel/next.js/discussions/53026)
 - [On navigation, layouts preserve state and do not re-render](https://nextjs.org/docs/app/building-your-application/routing/pages-and-layouts#layouts)
 
-This means you need to repeat the `setI18n` in every page and layout. Luckily, you can easily factor it out into a simple function call, or create a HOC with which you'll wrap pages and layouts [as seen here](https://github.com/lingui/js-lingui/blob/main/examples/nextjs-swc/src/withLingui.tsx). Please let us know if there's a known better way.
+This means you need to repeat the `setI18n` in every page and layout. Luckily, you can easily factor it out into a simple function call, or create a HOC with which you'll wrap pages and layouts [as seen here](https://github.com/lingui/js-lingui/blob/main/examples/nextjs-swc/src/initLingui.tsx). Please let us know if there's a known better way.
 
 ### Changing the Active Language
 

website/eslint.config.mjs

@@ -0,0 +1,58 @@
+import eslint from "@eslint/js";
+import tseslint from "@typescript-eslint/eslint-plugin";
+import tsParser from "@typescript-eslint/parser";
+import reactPlugin from "eslint-plugin-react";
+import reactHooksPlugin from "eslint-plugin-react-hooks";
+import globals from "globals";
+
+export default [
+  eslint.configs.recommended,
+  {
+    files: ["**/*.{js,jsx,ts,tsx}"],
+    languageOptions: {
+      ecmaVersion: 2021,
+      sourceType: "module",
+      parser: tsParser,
+      parserOptions: {
+        ecmaFeatures: {
+          jsx: true,
+        },
+      },
+      globals: {
+        ...globals.browser,
+        process: true,
+        require: true,
+        module: true,
+        JSX: true,
+      },
+    },
+    plugins: {
+      react: reactPlugin,
+      "react-hooks": reactHooksPlugin,
+      "@typescript-eslint": tseslint,
+    },
+    settings: {
+      react: {
+        version: "detect",
+      },
+    },
+    rules: {
+      ...reactPlugin.configs.recommended.rules,
+      ...reactHooksPlugin.configs.recommended.rules,
+      ...tseslint.configs.recommended.rules,
+      "@typescript-eslint/explicit-module-boundary-types": "off",
+      "@typescript-eslint/no-require-imports": "off",
+      "@typescript-eslint/no-var-requires": "off",
+    },
+  },
+  {
+    files: ["*.js"],
+    languageOptions: {
+      ecmaVersion: "latest",
+      sourceType: "module",
+      globals: {
+        ...globals.node,
+      },
+    },
+  },
+];

website/package.json

@@ -15,37 +15,39 @@
     "fixFormat": "prettier --write ."
   },
   "dependencies": {
-    "@docusaurus/core": "3.5.2",
-    "@docusaurus/preset-classic": "3.5.2",
-    "@docusaurus/remark-plugin-npm2yarn": "3.5.2",
-    "@docusaurus/theme-mermaid": "3.5.2",
-    "@mdx-js/react": "3.0.1",
+    "@docusaurus/core": "3.6.3",
+    "@docusaurus/preset-classic": "3.6.3",
+    "@docusaurus/remark-plugin-npm2yarn": "3.6.3",
+    "@docusaurus/theme-mermaid": "3.6.3",
+    "@mdx-js/react": "3.1.0",
     "clsx": "2.1.1",
-    "docusaurus-plugin-sass": "^0.2.5",
-    "react": "18.3.1",
-    "react-dom": "18.3.1",
-    "sass": "^1.79.3"
+    "docusaurus-plugin-sass": "^0.2.6",
+    "react": "19.0.0",
+    "react-dom": "19.0.0",
+    "sass": "^1.83.0"
   },
   "browserslist": [
     ">0.2%",
     "not dead",
     "not op_mini all"
   ],
   "devDependencies": {
-    "@docusaurus/eslint-plugin": "3.5.2",
-    "@docusaurus/module-type-aliases": "3.5.2",
-    "@docusaurus/utils": "3.5.2",
+    "@docusaurus/eslint-plugin": "3.6.3",
+    "@docusaurus/module-type-aliases": "3.6.3",
+    "@docusaurus/utils": "3.6.3",
+    "@eslint/js": "^9.17.0",
     "@tsconfig/docusaurus": "2.0.3",
-    "@types/react": "18.3.8",
+    "@types/react": "19.0.2",
     "@types/react-helmet": "6.1.11",
     "@types/react-router-dom": "5.3.3",
-    "@typescript-eslint/eslint-plugin": "7.0.2",
-    "@typescript-eslint/parser": "7.0.2",
-    "editorconfig-checker": "5.1.8",
-    "eslint": "8.57.0",
-    "eslint-plugin-react": "7.36.1",
-    "eslint-plugin-react-hooks": "4.6.2",
-    "prettier": "3.3.3",
+    "@typescript-eslint/eslint-plugin": "8.18.2",
+    "@typescript-eslint/parser": "8.18.2",
+    "editorconfig-checker": "6.0.0",
+    "eslint": "9.17.0",
+    "eslint-plugin-react": "7.37.3",
+    "eslint-plugin-react-hooks": "5.1.0",
+    "globals": "^15.14.0",
+    "prettier": "3.4.2",
     "remark-cli": "12.0.1",
     "remark-heading-id": "^1.0.1",
     "remark-lint-match-punctuation": "0.2.1",
@@ -65,8 +67,11 @@
     "retext-sentence-spacing": "6.0.0",
     "retext-syntax-mentions": "4.0.0",
     "retext-syntax-urls": "4.0.0",
-    "typescript": "5.3.3",
+    "typescript": "5.7.2",
     "typescript-plugin-css-modules": "^5.1.0",
     "unified": "11.0.5"
+  },
+  "resolutions": {
+    "mermaid": "^10.0.0"
   }
 }