Upgrade eslint

eslint.config.mjs

@@ -0,0 +1,41 @@
+import js from '@eslint/js';
+import prettier from 'eslint-config-prettier';
+import svelte from 'eslint-plugin-svelte';
+import globals from 'globals';
+import ts from 'typescript-eslint';
+
+/** @type {import('eslint').Linter.FlatConfig[]} */
+export default [
+  js.configs.recommended,
+  ...ts.configs.recommended,
+  ...svelte.configs['flat/recommended'],
+  prettier,
+  ...svelte.configs['flat/prettier'],
+  {
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+      },
+    },
+  },
+  {
+    files: ['**/*.svelte'],
+    languageOptions: {
+      parserOptions: {
+        parser: ts.parser,
+      },
+    },
+  },
+  {
+    ignores: ['build/', '.svelte-kit/', 'dist/'],
+  },
+  {
+    rules: {
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/no-unused-vars': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/explicit-module-boundary-types': 'off',
+    },
+  },
+];

package.json

@@ -35,6 +35,7 @@
     "@browser-logos/chrome": "2.0.0",
     "@browser-logos/firefox": "3.0.10",
     "@browser-logos/safari": "2.1.0",
+    "@eslint/js": "9.6.0",
     "@fontsource/inter": "5.0.18",
     "@hsjs/svelte-icons": "0.0.1-rc.4",
     "@sveltejs/adapter-node": "5.2.0",
@@ -45,17 +46,15 @@
     "@types/debug": "4.1.12",
     "@types/estree": "1.0.5",
     "@types/tar": "6.1.13",
-    "@typescript-eslint/eslint-plugin": "7.14.1",
-    "@typescript-eslint/parser": "7.14.1",
     "autoprefixer": "10.4.19",
     "domhandler": "5.0.3",
     "esbuild": "0.21.5",
     "esbuild-register": "3.5.0",
-    "eslint": "8.57.0",
+    "eslint": "9.6.0",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-prettier": "5.1.3",
-    "eslint-plugin-simple-import-sort": "12.1.0",
     "eslint-plugin-svelte": "2.41.0",
+    "globals": "15.6.0",
     "nanoid": "5.0.7",
     "postcss": "8.4.38",
     "prettier": "3.3.2",
@@ -70,6 +69,7 @@
     "tslib": "2.6.3",
     "tsx": "4.16.0",
     "typescript": "5.5.2",
+    "typescript-eslint": "8.0.0-alpha.34",
     "undici": "6.19.2",
     "uvu": "0.5.6",
     "vite": "5.3.2"