chore: upgrade eslint

.github/dependabot.yml

@@ -13,9 +13,6 @@ updates:
       - dependency-name: "@types/node"
         update-types:
           - "version-update:semver-major"
-      - dependency-name: "eslint"
-        update-types:
-          - "version-update:semver-major"
 
   - package-ecosystem: github-actions
     directory: "/"

bin/test.js

@@ -1,5 +1,3 @@
-/* eslint-env node */
-
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const { PostgresError } = require("../dist");
 

eslint.config.js

@@ -0,0 +1,41 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+const { fixupConfigRules } = require("@eslint/compat");
+const { FlatCompat } = require("@eslint/eslintrc");
+const js = require("@eslint/js");
+const tseslint = require("typescript-eslint");
+
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+});
+
+module.exports = tseslint.config(
+  { ignores: ["dist"] },
+  // @ts-expect-error type mismatch
+  ...fixupConfigRules(
+    compat.extends("./node_modules/@nihalgonsalves/esconfig/.eslintrc"),
+  ),
+  {
+    languageOptions: {
+      parserOptions: {
+        project: undefined,
+        projectService: true,
+      },
+    },
+    rules: {
+      "@typescript-eslint/no-duplicate-enum-values": "off",
+      "@typescript-eslint/restrict-template-expressions": [
+        "error",
+        { allowNumber: true },
+      ],
+      "import/no-extraneous-dependencies": [
+        "error",
+        {
+          devDependencies: ["**/*.test.{js,jsx,ts,tsx}", "eslint.config.js"],
+        },
+      ],
+      // typescript
+      "no-undef": "off",
+    },
+  },
+);

package.json

@@ -20,7 +20,7 @@
     "clean": "rm -rf ./dist/",
     "typecheck": "tsc --noEmit --project tsconfig.json && tsc --noEmit --project tsconfig.build.json",
     "build": "tsc --build tsconfig.build.json",
-    "lint:check": "eslint --report-unused-disable-directives ./src/ ./bin/ --ext .js,.ts,.jsx,.tsx,.mjs,.mts,.cjs,.cts",
+    "lint:check": "eslint",
     "format:check": "prettier . --check",
     "format:write": "prettier . --write",
     "test": "node bin/test.js",
@@ -30,16 +30,20 @@
     "dist/**/*"
   ],
   "devDependencies": {
+    "@eslint/compat": "^1.1.1",
+    "@eslint/eslintrc": "^3.1.0",
+    "@eslint/js": "^9.8.0",
     "@nihalgonsalves/esconfig": "^0.9.22",
+    "@types/eslint__eslintrc": "^2.1.2",
+    "@types/eslint__js": "^8.42.3",
     "@types/node": "^18",
-    "@typescript-eslint/eslint-plugin": "^8.0.0",
-    "@typescript-eslint/parser": "^8.0.0",
-    "eslint": "^8.57.0",
+    "eslint": "^9.8.0",
     "eslint-plugin-import": "^2.29.1",
     "lefthook": "^1.7.11",
     "prettier": "^3.3.3",
-    "tsx": "^4.16.5",
+    "tsx": "^4.17.0",
     "typescript": "^5.5.4",
+    "typescript-eslint": "^8.0.1",
     "zod": "^3.23.8"
   }
 }

tsconfig.json

@@ -8,8 +8,9 @@
     "verbatimModuleSyntax": false,
     "allowJs": true,
     "checkJs": true,
+    "skipLibCheck": true,
     "outDir": "./dist",
     "types": ["node"]
   },
-  "files": ["bin/sync.ts", "bin/test.js"]
+  "files": ["bin/sync.ts", "bin/test.js", "eslint.config.js"]
 }