Updated ESlint Config and Housekeeping

eslint.config.mjs

@@ -0,0 +1,122 @@
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+import tsParser from "@typescript-eslint/parser";
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+});
+
+export default [
+  ...compat.extends("eslint:recommended"),
+  {
+    files: ["**/*.ts"],
+
+    plugins: {
+      "@typescript-eslint": typescriptEslint,
+    },
+
+    languageOptions: {
+      ecmaVersion: 5,
+      sourceType: "script",
+
+      parser: tsParser,
+      parserOptions: {
+        project: "./tsconfig.json",
+      },
+    },
+
+    rules: {
+      "arrow-spacing": [
+        "warn",
+        {
+          before: true,
+          after: true,
+        },
+      ],
+
+      "brace-style": [
+        "error",
+        "stroustrup",
+        {
+          allowSingleLine: true,
+        },
+      ],
+
+      "comma-dangle": ["error", "always-multiline"],
+      "comma-spacing": "error",
+      "comma-style": "error",
+      curly: ["error", "multi-line", "consistent"],
+      "dot-location": ["error", "property"],
+      "handle-callback-err": "off",
+      indent: ["error", 2],
+      "keyword-spacing": "error",
+
+      "max-nested-callbacks": [
+        "error",
+        {
+          max: 4,
+        },
+      ],
+
+      "max-statements-per-line": [
+        "error",
+        {
+          max: 2,
+        },
+      ],
+
+      "no-console": "off",
+      "no-empty-function": "error",
+      "no-floating-decimal": "error",
+      "no-inline-comments": "error",
+      "no-lonely-if": "error",
+      "no-multi-spaces": "error",
+
+      "no-multiple-empty-lines": [
+        "error",
+        {
+          max: 2,
+          maxEOF: 1,
+          maxBOF: 0,
+        },
+      ],
+
+      "no-shadow": [
+        "error",
+        {
+          allow: ["err", "resolve", "reject"],
+        },
+      ],
+
+      "no-trailing-spaces": ["error"],
+      "no-var": "error",
+      "object-curly-spacing": ["error", "always"],
+      "prefer-const": "error",
+      quotes: ["error", "single"],
+      semi: ["error", "always"],
+      "space-before-blocks": "error",
+
+      "space-before-function-paren": [
+        "error",
+        {
+          anonymous: "never",
+          named: "never",
+          asyncArrow: "always",
+        },
+      ],
+
+      "space-in-parens": "error",
+      "space-infix-ops": "error",
+      "space-unary-ops": "error",
+      "spaced-comment": "error",
+      yoda: "error",
+    },
+  },
+];