Update lint configurations (#91)

eslint.config.js

@@ -0,0 +1,30 @@
+// This ESLint config is part of Share₂Fedi
+// https://github.com/kytta/share2fedi
+//
+// SPDX-FileCopyrightText: © 2023 Nikita Karamov <[email protected]>
+// SPDX-License-Identifier: CC0-1.0
+import globals from "globals";
+import js from "@eslint/js";
+import ts from "typescript-eslint";
+import astro from "eslint-plugin-astro";
+import unicorn from "eslint-plugin-unicorn";
+import prettier from "eslint-config-prettier";
+
+/** @type {import('@typescript-eslint/utils').TSESLint.FlatConfig.ConfigFile} */
+export default [
+	{
+		ignores: [".astro", ".vercel/", "dist/", "script/"],
+	},
+	{
+		languageOptions: {
+			globals: {
+				...globals.browser,
+			},
+		},
+	},
+	js.configs.recommended,
+	...ts.configs.recommended,
+	unicorn.configs["flat/recommended"],
+	...astro.configs["jsx-a11y-strict"],
+	prettier,
+];

package.json

@@ -43,24 +43,30 @@
 	},
 	"devDependencies": {
 		"@astrojs/check": "^0.9.4",
+		"@eslint/js": "^9.19.0",
 		"@types/node": "^22.10.10",
-		"@typescript-eslint/eslint-plugin": "^7.18.0",
-		"@typescript-eslint/parser": "^7.18.0",
+		"@typescript-eslint/parser": "^8.21.0",
 		"browserslist": "^4.24.4",
-		"eslint": "^8.57.1",
-		"eslint-config-prettier": "^9.1.0",
+		"eslint": "^9.19.0",
+		"eslint-config-prettier": "^10.0.1",
 		"eslint-plugin-astro": "^1.3.1",
-		"eslint-plugin-unicorn": "^55.0.0",
+		"eslint-plugin-jsx-a11y": "^6.10.2",
+		"eslint-plugin-unicorn": "^56.0.1",
+		"globals": "^15.14.0",
 		"husky": "^9.1.7",
 		"lightningcss": "^1.29.1",
 		"lint-staged": "^15.4.2",
+		"postcss-html": "^1.8.0",
 		"prettier": "^3.4.2",
 		"prettier-plugin-astro": "^0.14.1",
 		"sass": "^1.83.4",
 		"sharp": "^0.33.5",
 		"stylelint": "^16.14.0",
-		"stylelint-config-standard-scss": "^13.1.0",
-		"svgo": "^3.3.2"
+		"stylelint-config-html": "^1.1.0",
+		"stylelint-config-standard-scss": "^14.0.0",
+		"svgo": "^3.3.2",
+		"typescript": "^5.7.3",
+		"typescript-eslint": "^8.21.0"
 	},
 	"lint-staged": {
 		"*": "pnpm run fix:prettier",
@@ -71,9 +77,6 @@
 	"prettier": {
 		"singleAttributePerLine": true
 	},
-	"stylelint": {
-		"extends": "stylelint-config-standard-scss"
-	},
 	"engines": {
 		"node": "^18.17.1 || ^20.3.0 || ^22.0.0"
 	}