.eslintrc.js

module.exports = {
  root: true,
  env: {
    browser: true,
    es6: true,
    node: true,
  },
  extends: [
    'plugin:vue/recommended',
    'airbnb-base',
  ],
  plugins: [
    'vue',
  ],
  parserOptions: {
    parser: '@babel/eslint-parser',
    ecmaVersion: 2020,
    sourceType: 'module',
  },
  settings: {
    'import/resolver': {
      alias: {
        map: [
          ['@', './src'],
        ],
      },
    },
  },
  rules: {
    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'warn',
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'import/no-unresolved': 'off',
    'import/extensions': ['error', 'always', {
      js: 'never',
      mjs: 'never',
      jsx: 'never',
      ts: 'never',
      tsx: 'never',
    }],
    'no-param-reassign': ['error', {
      props: true,
      ignorePropertyModificationsFor: [
        'state', // for vuex state
        'acc', // for reduce accumulators
        'e', // for e.returnvalue
      ],
    }],
    'vue/no-boolean-default': 'error',
  },
};