.eslintrc.js

module.exports = {
    extends: ["eslint:recommended", "plugin:jest/recommended"],
    globals: {
        cy: true,
        Cypress: true,
        document: true,
        module: true,
        Promise: true,
        Reflect: true,
        window: true,
        __dirname: true,
    },
    parser: "babel-eslint",
    parserOptions: {
        ecmaVersion: 6,
        ecmaFeatures: {
            jsx: true,
        },
    },
    plugins: ["standard", "promise", "react", "jest", "cypress", "babel"],
    env: {
        browser: true,
    },
    rules: {
        "react/jsx-uses-react": "error",
        "react/jsx-uses-vars": "error",
        camelcase: "error",
        "keyword-spacing": "error",
        "max-len": ["error", 120, 4, { ignoreComments: true }],
        "max-lines": ["error", { max: 450, skipComments: true }],
        "newline-after-var": ["error", "always"],
        "no-nested-ternary": "error",
        "no-useless-constructor": "error",
        semi: "error",
        "require-jsdoc": "error",
        "valid-jsdoc": [
            "error",
            {
                prefer: {
                    arg: "param",
                    argument: "param",
                    class: "constructor",
                    return: "returns",
                    virtual: "abstract",
                },
                preferType: {
                    Boolean: "boolean",
                    Number: "number",
                    object: "Object",
                    String: "string",
                    Function: "Function",
                },
                requireReturn: true,
                requireReturnType: true,
            },
        ],
        quotes: ["error", "double"],
        "comma-dangle": ["error", "always-multiline"],
    },
};