.eslintrc.js

module.exports = {
  env: {
    node: true,
    es6: true
  },
  globals: {
    document: false,
    navigator: false,
    window: false
  },
  parserOptions: {
    sourceType: "module",
    ecmaVersion: 2018
  },
  plugins: ["security"],
  rules: {
    "arrow-spacing": ["error", { before: true, after: true }], //Allow spacing between arrow of arrow function
    "block-spacing": ["error", "always"], //Allow Block spacing for block
    "brace-style": ["error", "1tbs", { allowSingleLine: true }], //Allow Single Line style for if else
    camelcase: ["error", { properties: "always" }], //Allow Camel Case for Variables
    "comma-dangle": [
      "error",
      {
        arrays: "never",
        objects: "never",
        imports: "never",
        exports: "never",
        functions: "never"
      }
    ], //Don't allow trailing comma
    "comma-spacing": ["error", { before: true, after: true }], //Allow comma spacing before and after
    "comma-style": ["error", "last"], //Allow Comma in last
    curly: ["error", "all"], //Allow curly braces for all block
    "dot-location": ["error", "object"], //Allow new line in object properties dot
    "eol-last": ["error", "always"], //Allow new line at end of file
    eqeqeq: ["error", "always", { null: "ignore" }], //Allow equal value and type
    "func-call-spacing": ["error", "never"], //Don't allow function call spacing
    "handle-callback-err": "error", //Allow handilation of error
    "key-spacing": ["error", { beforeColon: true, afterColon: true }], //Allow spacing between two keys
    "keyword-spacing": ["error", { before: true, after: true }], //Allow spacing between keywords
    "new-parens": "error", //Don't Allow constructor to be invoked with ();
    "no-class-assign": "error", //Don't Allow class to be assign any value in its object
    "no-compare-neg-zero": "error", //Don't Allow Condition to be compared with -0
    "no-unused-vars": "off", //Allow Unused varible
    "no-constant-condition": "error", //Don't Allow a constant keyword to be in condition
    "no-console": "off", //Allow Console
    "no-cond-assign": "error", //Don't Allow to assign anything in condition
    "no-const-assign": "error", //Don't Allow to modify a variable declared with const
    "no-delete-var": "error", //Don't Allow for deleting variable
    "no-dupe-args": "error", //Don't Allow duplicate argument in two or more functions
    "no-dupe-class-members": "error", //Don't Allow same class members name
    "no-dupe-keys": "error", //Don't Allow duplicate key in an object
    "no-duplicate-case": "error", //Don't Allow duplicate case of switch statement
    "no-eval": "error", //Don't Allow use of eval method
    "no-ex-assign": "error", //Don't Allow to assign anything in catch()
    "no-extend-native": "error", //Don't Allow to extends native or builtin object
    "no-extra-bind": "error", //Don't Allow to bind function and don't use this keyword in that function
    "no-extra-boolean-cast": "error", //Don't Allow to cast boolean multiple times
    "no-extra-parens": ["error", "functions"], //Don't Allow Extra parentheses in function
    "no-fallthrough": "error", //Don't Allow Switch case to be fall through
    "no-floating-decimal": "error", //Don't Allow dot in integer value
    "no-func-assign": "error", //Don't Allow reassigning of function with same identifier
    "no-global-assign": "error", //Don't Allow global assigning
    "no-implied-eval": "error", //Don't Allow setTimeout() to pass method in string
    "no-iterator": "error" //Don't Allow to use iterator
  },
  extends: ["eslint:recommended", "plugin:security/recommended"]
};