.eslintrc.js

module.exports = {
  extends: ['plugin:@typescript-eslint/recommended', 'plugin:prettier/recommended'],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2019,
    project: './tsconfig.json',
    sourceType: 'module',
  },
  rules: {
    '@typescript-eslint/ban-ts-ignore': 'off',
    // '@typescript-eslint/no-unused-vars': ['error'],
    '@typescript-eslint/no-empty-interface': ['error'],
    '@typescript-eslint/no-unused-expressions': ['error'],
    '@typescript-eslint/no-use-before-define': ['error'],
    '@typescript-eslint/no-useless-constructor': ['error'],
    '@typescript-eslint/return-await': ['error'],
    '@typescript-eslint/await-thenable': ['error'],
    '@typescript-eslint/no-explicit-any': ['off'],
    // '@typescript-eslint/no-unnecessary-condition': ['warn'],
    '@typescript-eslint/prefer-as-const': ['warn'],
    '@typescript-eslint/prefer-namespace-keyword': ['warn'],
    '@typescript-eslint/prefer-readonly': ['warn'],
    '@typescript-eslint/promise-function-async': ['error'],
    '@typescript-eslint/naming-convention': [
      'warn',
      // {
      //   selector: 'variableLike',
      //   format: ['camelCase'],
      // },
      // {
      //   selector: 'variable',
      //   modifiers: ['const'],
      //   format: ['UPPER_CASE', 'PascalCase'],
      // },
      {
        selector: 'variable',
        types: ['boolean'],
        format: ['PascalCase'],
        prefix: ['is', 'should', 'has', 'can', 'did', 'will', 'are', 'starts', 'was', 'does'],
      },
      {
        selector: 'interface',
        format: ['PascalCase'],
        custom: {
          regex: '^I[A-Z]',
          match: true,
        },
      },
      {
        selector: 'memberLike',
        modifiers: ['private'],
        format: ['camelCase'],
        leadingUnderscore: 'require',
      },
    ],
  },
};