@tangany/eslint-config/rules/variables.js

Tangany's ESLint config

import confusingBrowserGlobals from "confusing-browser-globals";
import TSESLint from "typescript-eslint";

export default TSESLint.config(
  {
    rules: {
      // Disallow labels with same names as variables
      "no-label-var": "error",

      // Restrict certain globals
      "no-restricted-globals": [
        "error",
        {
          name: "isFinite",
          message:
            "Use Number.isFinite instead https://github.com/airbnb/javascript#standard-library--isfinite",
        },
        {
          name: "isNaN",
          message:
            "Use Number.isNaN instead https://github.com/airbnb/javascript#standard-library--isnan",
        },
        ...confusingBrowserGlobals,
      ],

      // Prevent use of undefined in variable initialization
      "no-undef-init": "error",

      // Allow use of undefined as a variable (optional, based on preference)
      "no-undefined": "off",
    },
  },
);