.eslintrc.json

{
  "env": {
    "es6": true,
    "node": true
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "tsconfig.json",
    "sourceType": "module"
  },
  "plugins": [
    "simple-import-sort",
    "unused-imports"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@stylistic/disable-legacy"
  ],
  "root": true,
  "rules": {
    // TypeScript Specific Rules
    "@typescript-eslint/ban-ts-comment": "off",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/no-namespace": "off",
    "@typescript-eslint/no-unused-vars": ["error", { "argsIgnorePattern": "^_" }],

    // General JavaScript Rules
    "comma-dangle": ["error", "always-multiline"],
    "no-unused-expressions": "error",
    "no-undef": "off",
    "no-unused-vars": "off",
    "unused-imports/no-unused-imports": "error",
    "simple-import-sort/imports": "error",

    // Formatting and Stylistic Rules
    "brace-style": ["error", "stroustrup", { "allowSingleLine": true }],
    "comma-spacing": ["error", { "before": false, "after": true }],
    "comma-style": ["error", "last"],
    "curly": ["error", "multi-line", "consistent"],
    "dot-location": ["error", "property"],
    "indent": ["error", "tab", { "SwitchCase": 1 }],
    "max-nested-callbacks": ["error", { "max": 4 }],
    "max-statements-per-line": ["error", { "max": 2 }],
    "no-case-declarations": "off",
    "no-empty-function": ["error", { "allow": ["constructors"] }],
    "no-floating-decimal": "error",
    "no-inner-declarations": "off",
    "no-lonely-if": "error",
    "no-multi-spaces": "error",
    "no-multiple-empty-lines": ["error", { "max": 2, "maxEOF": 0, "maxBOF": 0 }],
    "no-trailing-spaces": "error",
    "no-var": "error",
    "object-curly-spacing": ["error", "always"],
    "prefer-const": "error",
    "quotes": ["error", "double", { "avoidEscape": true, "allowTemplateLiterals": true }],
    "semi": ["error", "always"],
    "space-before-blocks": "error",
    "space-before-function-paren": ["error", {
      "anonymous": "never",
      "named": "never",
      "asyncArrow": "always"
    }],
    "space-infix-ops": "error",
    "space-unary-ops": "error",
    "spaced-comment": ["error", "always", {
      "line": {
        "markers": ["/"],
        "exceptions": ["-", "+"]
      },
      "block": {
        "balanced": true
      }
    }],
    "yoda": ["error", "never"]
  },
  "overrides": [
    {
      "files": ["src/**/*.ts"]
    }
  ]
}