.eslintrc.json

{
    "env": {
        "commonjs": true,
        "es6": true,
        "node": true,
        "mocha": true
    },
    "extends": [
        "plugin:cypress/recommended"
    ],
    "globals": {
        "Atomics": "readonly",
        "SharedArrayBuffer": "readonly"
    },
    "parserOptions": {
        "ecmaVersion": 2018
    },
    "rules": {
        "require-atomic-updates": "off",
        "cypress/no-assigning-return-values": "error",
        "cypress/no-unnecessary-waiting": "error",
        "cypress/assertion-before-screenshot": "warn",
        "cypress/no-force": "warn",
        "cypress/no-async-tests": "error",
        // Possible errors 
        "comma-dangle": [2, "never"],
        "no-cond-assign": 2,
        "no-dupe-args": 2,
        "no-dupe-keys": 2,
        "no-duplicate-case": 2,
        "no-empty": 2,
        "no-extra-parens": 2,
        "camelcase": [2, {"properties": "always"}],
        "no-extra-semi": 2,
        "no-func-assign": 2,
        "no-inner-declarations": [2, "both"],
        "no-obj-calls": 2,
        "no-sparse-arrays": 2,
        "no-unexpected-multiline": 2,
        "no-unreachable": 2,
        // Best practices
        "block-scoped-var": 2,
        "curly": 2,
        "dot-location": [2, "object"],
        "dot-notation": 2,
        "eqeqeq": 2,
        "no-alert": 2,
        "no-case-declarations": 2,
        "no-eq-null": 2,
        "no-fallthrough": 2,
        "no-lone-blocks": 2,
        "no-loop-func": 2,
        "no-multi-spaces": 2,
        "no-native-reassign": 2,
        "no-new-func": 2,
        "no-new-wrappers": 2,
        "no-proto": 2,
        "no-redeclare": 2,
        "no-return-assign": [2, "always"],
        "no-self-assign": 2,
        "no-self-compare": 2,
        "no-throw-literal": 2,
        "no-unmodified-loop-condition": 2,
        "no-useless-concat": 2,
        "vars-on-top": 2,
        "yoda": 2,
        // Variables
        "no-delete-var": 2,
        "no-shadow-restricted-names": 2,
        "no-undef-init": 2,
        "no-unused-vars": ["error", { "vars": "all", "args": "after-used", "ignoreRestSiblings": false }],
        // Javascript
        "callback-return": [2, ["callback", "cb", "next"]],
        "global-require": 2,
        "no-new-require": 2,
        // Stylistic Issues
        "array-bracket-spacing": [2, "never"],
        "brace-style": 2,
        "func-names": 2,
        "func-style": [2, "expression"],
        "key-spacing": [2, {"beforeColon": false, "afterColon": true}],
        "keyword-spacing": 2,
        "new-parens": 2,
        "no-array-constructor": 2,
        "no-inline-comments": 2,
        "no-lonely-if": 2,
        "no-mixed-spaces-and-tabs": 2,
        "no-multiple-empty-lines": [2, {"max": 1}],
        "no-new-object": 2,
        "no-whitespace-before-property": 2,
        "no-spaced-func": 2,
        "no-unneeded-ternary": 2,
        "one-var-declaration-per-line": [2, "always"],
        "operator-assignment": [2, "always"],
        "operator-linebreak": [2, "none"],
        "padded-blocks": [2, "never"],
        "semi-spacing": 2,
        "space-before-blocks": 2,
        "space-before-function-paren": [2, "never"],
        "space-in-parens": [2, "never"],
        "spaced-comment": [2, "always"],
        "indent": ["error", 4, {"SwitchCase": 1}],
        "linebreak-style": ["error", "unix"],
        "quotes": ["error", "single"],
        "semi": ["error", "never"],
        "prefer-const": "error"
    },
    "plugins": [
        "cypress"
    ]
}