.eslintrc.js

module.exports = {
  root: true,

  parserOptions: {
    parser: '@typescript-eslint/parser',
    sourceType: 'module'
  },

  env: {
    browser: true
  },

  extends: [
    // https://github.com/vuejs/eslint-plugin-vue#priority-a-essential-error-prevention
    // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules.
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:vue/essential',
    '@vue/standard'
  ],

  // required to lint *.vue & *.ts files
  plugins: [
    'vue',
    '@typescript-eslint'
  ],

  globals: {
    'ga': true, // Google Analytics
    'cordova': true,
    '__statics': true,
    'process': true
  },

  // add your custom rules here
  rules: {
    // allow async-await
    'generator-star-spacing': 'off',
    // allow paren-less arrow functions
    'arrow-parens': 'off',
    'one-var': 'off',
  
    'import/first': 'off',
    'import/named': 'error',
    'import/namespace': 'error',
    'import/default': 'error',
    'import/export': 'error',
    'import/extensions': 'off',
    'import/no-unresolved': 'off',
    'import/no-extraneous-dependencies': 'off',
    'prefer-promise-reject-errors': 'off',

    'semi': [2, 'always'],
    'space-before-function-paren': ['error', 'never'],
    'no-useless-escape': 'off',
    'no-unused-vars': 'off',
    '@typescript-eslint/indent': ['error', 2],
    '@typescript-eslint/no-var-requires': 'off',
    '@typescript-eslint/no-unused-vars': 'off',
    'no-tabs': 'off',
    // allow console.log during development only
    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    // allow debugger during development only
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off'
  }
}