webui: upgrade and fix eslint

webui/eslint.config.js

@@ -0,0 +1,99 @@
+import js from "@eslint/js";
+import ts from "@typescript-eslint/eslint-plugin";
+import tsParser from "@typescript-eslint/parser";
+import react from "eslint-plugin-react";
+import reactHooks from "eslint-plugin-react-hooks";
+import jsxA11y from "eslint-plugin-jsx-a11y";
+import compat from "eslint-plugin-compat";
+import globals from "globals";
+
+export default [
+  {
+    ignores: ["node_modules/**", "dist/**"],
+  },
+  js.configs.recommended,
+  {
+    files: ["src/**/*.{js,jsx,ts,tsx}"],
+    languageOptions: {
+      ecmaVersion: 2024,
+      sourceType: "module",
+      globals: {
+        ...globals.browser,
+        JSX: "readonly",
+        Options: "readonly",
+        process: "readonly",
+        Buffer: "readonly",
+        __buildVersion: "readonly",
+      },
+      parserOptions: {
+        ecmaFeatures: { jsx: true },
+      },
+    },
+    plugins: {
+      react,
+      "react-hooks": reactHooks,
+      "jsx-a11y": jsxA11y,
+      compat,
+      "@typescript-eslint": ts,
+    },
+    settings: {
+      react: { version: "detect" },
+    },
+    rules: {
+      eqeqeq: "error",
+    },
+  },
+  {
+    files: ["src/**/*.{ts,tsx}"],
+    languageOptions: {
+      parser: tsParser,
+      parserOptions: {
+        // Enables type-aware linting without listing tsconfig files manually
+        projectService: true,
+        ecmaFeatures: { jsx: true },
+      },
+    },
+    ...ts.configs.recommendedTypeChecked,
+    rules: {
+      // Prefer TS rules; disable base ones that conflict
+      "no-unused-vars": "off",
+      "no-redeclare": "off",
+      "@typescript-eslint/no-unused-vars": [
+        "warn",
+        { argsIgnorePattern: "^_", varsIgnorePattern: "^_" },
+      ],
+      "@typescript-eslint/no-redeclare": "error",
+      "@typescript-eslint/no-explicit-any": ["warn", { ignoreRestArgs: true }],
+    },
+  },
+  {
+    files: ["src/**/*.{js,jsx}"],
+    rules: {
+      "@typescript-eslint/no-unused-vars": "off",
+      "@typescript-eslint/no-redeclare": "off",
+      "@typescript-eslint/no-explicit-any": "off",
+    },
+  },
+  {
+    files: ["src/**/*.{jsx,tsx}"],
+    rules: {
+      ...react.configs.recommended.rules,
+      ...jsxA11y.configs.recommended.rules,
+      "react-hooks/rules-of-hooks": "error",
+      "react-hooks/exhaustive-deps": "warn",
+      "react/prop-types": "off",
+      "react/jsx-key": "error",
+      "jsx-a11y/no-autofocus": "error",
+      "jsx-a11y/click-events-have-key-events": "error",
+      "jsx-a11y/no-static-element-interactions": "error",
+      "jsx-a11y/anchor-is-valid": "error",
+      "jsx-a11y/alt-text": "error",
+    },
+  },
+  {
+    files: ["src/**/*.{js,jsx,ts,tsx}"],
+    rules: {
+      ...compat.configs.recommended.rules,
+    },
+  },
+];