update eslint to 9.6.0

eslint.config.mjs

@@ -0,0 +1,51 @@
+import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";
+import globals from "globals";
+import babelParser from "@babel/eslint-parser";
+import js from "@eslint/js";
+
+export default [
+  {
+    ignores: [
+      "**/lib",
+      "**/node_modules",
+      "**/scripts",
+      "test/output",
+      "test/fixtures",
+    ],
+  },
+  js.configs.recommended,
+  {
+    languageOptions: {
+      globals: globals.node,
+      parser: babelParser,
+      ecmaVersion: "latest",
+      sourceType: "module",
+    },
+
+    rules: {
+      camelcase: "off",
+      "consistent-return": "off",
+      curly: ["error", "multi-line"],
+      "linebreak-style": ["error", "unix"],
+      "max-len": ["error", 110, 2],
+      "new-cap": "off",
+      "no-cond-assign": "off",
+      "no-confusing-arrow": "error",
+      "no-console": "off",
+      "no-constant-condition": "off",
+      "no-empty": "off",
+      "no-fallthrough": "off",
+      "no-inner-declarations": "off",
+      "no-labels": "off",
+      "no-loop-func": "off",
+      "no-process-exit": "off",
+      "no-return-assign": "off",
+      "no-shadow": "off",
+      "no-underscore-dangle": "off",
+      "no-unreachable": "off",
+      "no-use-before-define": "off",
+      strict: "off",
+    },
+  },
+  eslintPluginPrettierRecommended,
+];

package.json

@@ -25,9 +25,10 @@
     "@babel/preset-env": "^7.23.3",
     "ava": "^3.13.0",
     "c8": "^8.0.0",
-    "eslint": "^8.45.0",
-    "eslint-config-prettier": "^8.8.0",
-    "eslint-plugin-prettier": "^5.0.0",
+    "eslint": "^9.6.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-prettier": "^5.1.3",
+    "globals": "^15.8.0",
     "husky": "^8.0.3",
     "lint-staged": "^13.2.3",
     "prettier": "^3.0.0",

src/cache.js

@@ -23,7 +23,7 @@ let hashType = "sha256";
 // use md5 hashing if sha256 is not available
 try {
   crypto.createHash(hashType);
-} catch (err) {
+} catch {
   hashType = "md5";
 }
 
@@ -98,7 +98,7 @@ const handleCache = async function (directory, params) {
     // No errors mean that the file was previously cached
     // we just need to return it
     return await read(file, cacheCompression);
-  } catch (err) {}
+  } catch {}
 
   const fallback =
     typeof cacheDirectory !== "string" && directory !== os.tmpdir();

test/cache.test.js

@@ -100,7 +100,6 @@ test("should output json.gz files to standard cache dir by default", async t =>
   t.true(files.length > 0);
 });
 
-// eslint-disable-next-line max-len
 test("should output non-compressed files to standard cache dir when cacheCompression is set to false", async t => {
   const config = Object.assign({}, globalConfig, {
     output: {