.eslintrc.js

/**
 * @author Dino <dinoabsoluto+dev@gmail.com>
 * @license
 * Copyright 2019 Dino <dinoabsoluto+dev@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
module.exports = {
  root: true,
  env: {
    node: true
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    project: './tsconfig.json'
  },
  extends: [
    'standard',
    'plugin:@typescript-eslint/recommended'
  ],
  rules: {
    '@typescript-eslint/indent': ['error', 2],
    '@typescript-eslint/member-delimiter-style': [
      'error',
      {
        multiline: {
          delimiter: 'none'
        }
      }
    ],
    '@typescript-eslint/explicit-function-return-type': [
      'error',
      {
        allowExpressions: true,
        allowTypedFunctionExpressions: true
      }
    ]
  },
  overrides: [
    {
      files: [ '*.js', '*.mjs' ],
      parser: 'espree'
    },
    {
      files: [ '*.js' ],
      rules: {
        '@typescript-eslint/no-var-requires': 'off'
      }
    },
    {
      files: [
        '*.test.ts',
        '*.spec.ts',
        '*.test.js',
        '*.spec.js'
      ],
      env: {
        jest: true
      }
    }
  ]
}