.eslintrc.js

module.exports = {
  root: true,
  extends: [
    'prettier',
    'plugin:prettier/recommended', // Enables eslint-plugin-prettier and eslint-config-prettier. This will display prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array.
  ],
  parser: '@typescript-eslint/parser',
  plugins: ['@typescript-eslint', 'no-only-tests'],
  parserOptions: {
    ecmaVersion: 2019, // Allows for the parsing of modern ECMAScript features
    sourceType: 'module', // Allows for the use of imports
    ecmaFeatures: {
      jsx: false,
    },
  },
  env: {
    node: true,
  },
  overrides: [
    {
      files: ['**/*.ts'],
      extends: [
        'plugin:@typescript-eslint/recommended', // Uses the recommended rules from the @typescript-eslint/eslint-plugin
        'prettier/@typescript-eslint', // Uses eslint-config-prettier to disable ESLint rules from @typescript-eslint/eslint-plugin that would conflict with prettier
      ],
      rules: {
        'no-console': 'error',
        'no-only-tests/no-only-tests': [
          'error',
          { block: ['test', 'it', 'assert'], focus: ['only', 'focus'] },
        ],

        // Typescript
        '@typescript-eslint/explicit-function-return-type': 'off',
        '@typescript-eslint/no-use-before-define': 'error',
        '@typescript-eslint/no-explicit-any': 'warn',
        '@typescript-eslint/ban-ts-ignore': 'warn',
      },
    },
  ],
}