.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2021: true,
  },
  parserOptions: {
    ecmaVersion: 12,
    sourceType: 'module',
  },
  rules: {
    'multiline-comment-style': ['error', 'starred-block'],
    'object-property-newline': ['error', {
      allowAllPropertiesOnSameLine: false,
      allowMultiplePropertiesPerLine: false,
    }],
    'object-curly-newline': ['error', {
      minProperties: 2,
      multiline: true,
    }],
    'no-multiple-empty-lines': ['error', {
      max: 1,
      maxEOF: 0,
    }],
    semi: ['error', 'always'],
    indent: ['error', 2],
    'no-param-reassign': 'off',
    'no-underscore-dangle': 'off',
    'class-methods-use-this': 'off',
    'max-len': [2, {
      code: 1000,
      ignorePattern: '^import .*',
    }],
    'linebreak-style': ['error', process.platform === 'win32' ? 'windows' : 'unix'],
  },
};