ci(lint): use prefer-const rule from ESLint

oxlint-plugin.mts

@@ -0,0 +1,25 @@
+/*
+ * Oxlint JS plugin which provides built-in ESLint rules.
+ */
+
+import assert from "node:assert";
+import { builtinRules } from "eslint/use-at-your-own-risk";
+
+import type { Rule } from "eslint";
+
+// ESLint rules to export in this plugin
+const RULES = ["prefer-const"];
+
+const rules: Record<string, Rule.RuleModule> = {};
+for (const ruleName of RULES) {
+  const rule = builtinRules.get(ruleName);
+  assert(rule != null, `Cannot find rule '${ruleName}'`);
+  rules[ruleName] = rule;
+}
+
+export default {
+  meta: {
+    name: "eslint-js",
+  },
+  rules,
+};

oxlintrc.json

@@ -12,6 +12,7 @@
     "promise",
     "vitest"
   ],
+  "jsPlugins": ["./oxlint-plugin.mts"],
   "categories": {
     "correctness": "error",
     "perf": "error"
@@ -21,7 +22,8 @@
     "prefer-destructuring": ["error", {
       "VariableDeclarator": { "array": false, "object": true }
     }],
-    "typescript/consistent-indexed-object-style": ["error", "record"]
+    "typescript/consistent-indexed-object-style": ["error", "record"],
+    "eslint-js/prefer-const": ["error", { "destructuring": "all" }]
   },
   "overrides": [
     {

package.json

@@ -14,6 +14,7 @@
     "@arethetypeswrong/core": "0.18.2",
     "@napi-rs/cli": "catalog:",
     "emnapi": "1.6.0",
+    "eslint": "^9.39.1",
     "oxfmt": "^0.16.0",
     "oxlint": "^1.29.0",
     "oxlint-tsgolint": "0.8.3",