.eslintrc.js

module.exports = {
  root: true,
  extends: ['plugin:vue/essential', '@vue/airbnb', '@vue/typescript'],
  rules: {
    // https://github.com/vuejs/vue-cli/issues/1672
    indent: 'off',
    'space-infix-ops': 'off',
    'object-curly-newline': 'off',
    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'no-plusplus': ['error', { allowForLoopAfterthoughts: true }],
    'import/extensions': ['off'],
    'import/no-unresolved': ['off'],
    'import/no-duplicates': ['off'],
    'import/no-named-as-default': ['off'],
    'import/no-named-as-default-member': ['off'],
    'import/no-extraneous-dependencies': ['off'],
    'function-paren-newline': ['off'],
    'implicit-arrow-linebreak': ['off'],
    'no-confusing-arrow': ['off'],
    'class-methods-use-this': [
      'error',
      {
        exceptMethods: [
          'render',
          'beforeCreate',
          'created',
          'beforeMount',
          'mounted',
          'beforeUpdate',
          'updated',
          'activated',
          'deactivated',
          'beforeDestroy',
          'destroyed',
          'errorCaptured',
        ],
      },
    ],
    'max-len': [
      'error',
      {
        code: 80,
        ignoreUrls: true,
        ignoreStrings: true,
        ignoreComments: true,
        ignoreTrailingComments: true,
        ignoreTemplateLiterals: true,
      },
    ],
  },
};