.eslintrc.json

{
    "extends": "eslint:recommended",
    "env": {
        "browser": true,
        "es2021": true,
        "jquery": true
    },
    "globals": {
        "Espo": "readonly",
        "define": "readonly",
        "_": "readonly"
    },
    "parserOptions": {
        "ecmaVersion": 12,
        "sourceType": "module"
    },
    "plugins": [
        "header"
    ],
    "ignorePatterns": [
        "build.js",
        "copy-custom.js",
        "helpers.js"
    ],
    "rules": {
        "no-console": "error",
        "block-spacing": ["error", "always"],
        "indent": ["error", 4, { "SwitchCase": 1 }],
        "no-unused-vars": "warn",
        "comma-spacing": ["error", { "before": false, "after": true }],
        "quotes": ["error", "single", { "avoidEscape": true }],
        "padding-line-between-statements": [
            "error",
            {
                "blankLine": "always",
                "prev": "*",
                "next": [
                    "return"
                ]
            }
        ],
        "padded-blocks": [
            "error",
            {
                "classes": "always"
            }
        ],
        "header/header": [
            2,
            "block",
            [
                "***********************************************************************",
                "This file is part of the Dubas Custom Formulas - EspoCRM extension.",
                "",
                "DUBAS S.C. - contact@dubas.pro",
                "Copyright (C) 2021 Arkadiy Asuratov, Emil Dubielecki",
                "",
                "This program is free software: you can redistribute it and/or modify",
                "it under the terms of the GNU General Public License as published by",
                "the Free Software Foundation, either version 3 of the License, or",
                "(at your option) any later version.",
                "",
                "This program is distributed in the hope that it will be useful,",
                "but WITHOUT ANY WARRANTY; without even the implied warranty of",
                "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
                "GNU General Public License for more details.",
                "",
                "You should have received a copy of the GNU General Public License",
                "along with this program.  If not, see <https://www.gnu.org/licenses/>.",
                "***********************************************************************"
            ],
            2
        ]
    }
}