.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2021: true,
  },
  extends: ['eslint:recommended', 'plugin:react/recommended'],
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 'latest',
    sourceType: 'module',
  },
  plugins: ['react'],
  rules: {
    'no-console': [
      1,
      {
        allow: ['warn', 'error'],
      },
    ],
    'comma-dangle': 'warn',
    'no-lonely-if': 'warn',
    'prefer-destructuring': 'warn',
    'valid-jsdoc': 'warn',
    'object-shorthand': 'warn',
    'import/prefer-default-export': 'off',
    'no-underscore-dangle': 'warn',
    'func-names': [0],
    'no-param-reassign': 'warn',
    'no-undef': 'warn',
    'no-unreachable': 'off',
    'dot-notation': 'warn',
    'no-restricted-syntax': 'off',
    'no-await-in-loop': 'off',
    quotes: ['error', 'single'],
    'no-multi-spaces': ['error'],
    indent: ['off', 2],
    semi: ['error', 'always'],
    'no-process-env': ['warn'],
    'no-unused-vars': ['error', { vars: 'all', args: 'after-used', ignoreRestSiblings: false }],
    camelcase: ['error'],
    'max-len': ['error', { code: 150 }],
    'linebreak-style': 'off',
    // 'curly': [2, 'multi'],
    'object-curly-spacing': ['error', 'always'],
  },
};