.eslintrc.js

module.exports = {
  root: true,
  env: {
    es6: true,
    node: true,
  },
  parser: '@typescript-eslint/parser',
  plugins: [
    '@typescript-eslint',
    'simple-import-sort',
  ],
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
  ],
  ignorePatterns: [
    '/bin/',
    '/lib/',
    '/out/',
  ],
  rules: {
    '@typescript-eslint/camelcase': 'off',
    '@typescript-eslint/explicit-function-return-type': 'warn',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-unused-vars': 'warn',
    '@typescript-eslint/no-use-before-define': 'off',
    '@typescript-eslint/no-var-requires': 'warn',
    // https://github.com/microsoft/TypeScript/issues/18433
    'no-restricted-globals': [
      'error',
      'closed',
      'event',
      'fdescribe',
      'length',
      'location',
      'name',
      'parent',
      'top',
    ],
    'simple-import-sort/imports': 'error',
  },
  overrides: [
    {
      files: ['test/**/*.ts'],
      rules: {
        '@typescript-eslint/explicit-function-return-type': 'off',
      }
    },
  ],
};