.eslintrc.js

module.exports = {
  root: true,
  env: {
    browser: true,
    es6: true,
    greasemonkey: true,
    jquery: true,
  },
  extends: 'airbnb',
  globals: {
    Atomics: 'readonly',
    SharedArrayBuffer: 'readonly',
    lscache: 'readonly',
    dateFns: 'readonly',
    eus: 'readonly',
    swal: 'readonly',
    tippy: 'readonly',
    _: 'readonly',
    hljs: 'readonly',
    jsyaml: 'readonly',
  },
  parserOptions: {
    ecmaVersion: 2018,
    sourceType: 'script',
  },
  rules: {
    // Tech debt. Remove or reconsider one day:
    'no-unused-vars': ['error', { args: 'none' }],
    'func-names': 0,
    'no-use-before-define': ['error', 'nofunc'],
    'max-len': 0,
    'no-restricted-syntax': ['error', 'ForInStatement', 'LabeledStatement', 'WithStatement'],
    strict: 0,
    'require-await': 'error',
    'require-yield': 'error',
    'linebreak-style': 0,
    'arrow-parens': 0,
    'prefer-destructuring': 0,
    camelcase: [
      'error', { allow: ['GM_info'] },
    ],
  },
};