eslint-plugin-drupal-contrib/src/rc/recommended.js

An ESLint plugin to match the Drupal standard for contrib modules and themes.

export default {
  extends: [
    "airbnb-base",
    "plugin:prettier/recommended",
    "plugin:yml/recommended",
  ],
  root: true,
  env: {
    browser: true,
    es6: true,
    node: true,
  },
  globals: {
    Drupal: true,
    drupalSettings: true,
    drupalTranslations: true,
    jQuery: true,
    _: true,
    Cookies: true,
    Backbone: true,
    Modernizr: true,
    loadjs: true,
    Popper: true,
    Shepherd: true,
    Sortable: true,
    once: true,
    CKEDITOR: true,
    CKEditor5: true,
    tabbable: true,
  },
  rules: {
    "prettier/prettier": "error",
    "consistent-return": ["off"],
    "no-underscore-dangle": ["off"],
    "max-nested-callbacks": ["warn", 3],
    "import/no-mutable-exports": ["warn"],
    "no-plusplus": [
      "warn",
      {
        allowForLoopAfterthoughts: true,
      },
    ],
    "no-param-reassign": ["off"],
    "no-prototype-builtins": ["off"],
    "valid-jsdoc": [
      "warn",
      {
        prefer: {
          returns: "return",
          property: "prop",
        },
        requireReturn: false,
      },
    ],
    "no-unused-vars": ["warn"],
    "operator-linebreak": [
      "error",
      "after",
      { overrides: { "?": "ignore", ":": "ignore" } },
    ],
    "yml/indent": ["error", 2],
  },
};