.eslintrc.js

// eslint-disable-next-line no-undef
module.exports = {
    root: true,
    parser: '@typescript-eslint/parser',
    plugins: [
      '@typescript-eslint',
      'jest',
      "no-null",
      "header"        
    ],
    extends: [
      'eslint:recommended',
      'plugin:@typescript-eslint/eslint-recommended',
      'plugin:@typescript-eslint/recommended',
      'prettier',
      'plugin:jest/recommended',
    ],
    "rules": {
      "@typescript-eslint/no-unused-vars": "error",
      "no-return-await": "error",
      "@typescript-eslint/consistent-type-definitions": "error",
      "@typescript-eslint/indent": "off",
      "@typescript-eslint/no-explicit-any": "error",
      "@typescript-eslint/quotes": [
          "error",
          "single",
          {
              "avoidEscape": true
          }
      ],
      "@typescript-eslint/semi": [
          "error",
          "always"
      ],
      "@typescript-eslint/type-annotation-spacing": "error",
      "arrow-body-style": [
          "error",
          "as-needed"
      ],
      "arrow-parens": [
          "error",
          "as-needed"
      ],
      "camelcase": "off",
      "comma-dangle": "off",
      "curly": "error",
      "eol-last": "error",
      "eqeqeq": [
          "error",
          "smart"
      ],
      "guard-for-in": "error",
      "id-blacklist": "off",
      "id-match": "off",
      "import/no-extraneous-dependencies": "off",
      "max-len": [
          "error",
          {
              "code": 180
          }
      ],
      "no-magic-numbers": "off",
      "no-multiple-empty-lines": [
          "error",
          {
              "max": 1
          }
      ],
      "no-new-wrappers": "error",
      "no-null/no-null": "error",
      "no-shadow": [
          "error",
          {
              "hoist": "all"
          }
      ],
      "no-throw-literal": "error",
      "no-trailing-spaces": "error",
      "no-underscore-dangle": "off",
      "no-unused-expressions": "error",
      "no-var": "error",
      "no-void": "error",
      "one-var": [
          "error",
          "never"
      ],
      "prefer-const": [
          "error",
          {
              "destructuring": "all"
          }
      ],
      "radix": "off",
      "space-before-function-paren": [
          "error",
          {
              "anonymous": "always",
              "named": "never",
              "asyncArrow": "always"
          }
      ],
      "spaced-comment": [
          "error",
          "always",
          {
              "exceptions": [
                  "*",
                  "+",
                  "-",
                  "/"
              ]
          }
      ],
      "header/header": [
          2,
          "block",
          [
            "*********************************************************************",
            {
              "pattern": "^ \\* Copyright \\(c\\) \\d{4}(-\\d{4})* Red Hat, Inc\\.$",
              "template": " * Copyright (c) 2021 Red Hat, Inc."
            },
            " *",
            " * This program and the accompanying materials are made",
            " * available under the terms of the Eclipse Public License 2.0",
            " * which is available at https://www.eclipse.org/legal/epl-2.0/",
            " *",
            " * SPDX-License-Identifier: EPL-2.0",
            " **********************************************************************"
          ]
      ]
  }    
  };