.eslintrc.js

/* eslint-disable header/header */

module.exports = {
  root: true,
  parser: '@typescript-eslint/parser',
  env: {
    node: true
  },
  parserOptions: {
    'sourceType': 'module',
  },
  plugins: [
    '@typescript-eslint',
    'header',
  ],
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
  ],
  rules: {
    "header/header": [2, "./header.js"],
    "@typescript-eslint/no-use-before-define": ["error", { "functions": false, "classes": false }],
    "@typescript-eslint/no-unused-vars": [1],
    "@typescript-eslint/explicit-function-return-type": [1, { "allowExpressions": true }],
    "indent": ["error", 2, { "SwitchCase": 1 }],
    "eol-last": ["error"],
    "space-infix-ops": ["error", { "int32Hint": false }],
    "no-multi-spaces": ["error", { "ignoreEOLComments": true }],
    "keyword-spacing": ["error"],
    "semi": ["error"]
  },
  ignorePatterns: ["gulpfile.js"]
};