.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',

  plugins: ['@typescript-eslint'],

  env: {
    es6: true,
  },

  extends: ['plugin:@typescript-eslint/recommended'],

  settings: {
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts'],
    },
    'import/resolver': {
      // use <root>/tsconfig.json
      typescript: {},
    },
  },

  rules: {
    '@typescript-eslint/no-non-null-assertion': 'off',
    '@typescript-eslint/ban-ts-ignore': 'off',
    '@typescript-eslint/member-delimiter-style': 'off',
    '@typescript-eslint/no-unused-vars': [
      'error',
      {
        vars: 'all',
        args: 'after-used',
        ignoreRestSiblings: true,
        argsIgnorePattern: '^_', // ignore unused variables whose name is '_'
      },
    ],
  },
}