.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  plugins: [
    '@typescript-eslint',
    'eslint-plugin-import-helpers',
    'modules-newline',
    'import',
    'jest',
    'promise',
    'standard',
    'prettier',
  ],
  extends: [
    'eslint:recommended', // this has to go first
    'plugin:@typescript-eslint/recommended',
    'plugin:import/typescript',
    'plugin:import/errors',
    'plugin:import/warnings',
    'plugin:promise/recommended',
    'prettier',
  ],
  parserOptions: {
    project: './tsconfig.json',
    ecmaVersion: 2020,
    sourceType: 'module',
  },
  rules: {
    // Special ESLint rules or overrides go here.
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/ban-ts-comment': 'off',
    '@typescript-eslint/no-empty-interface': [
      'error',
      {
        allowSingleExtends: true,
      },
    ],
    'comma-dangle': 'off',
    '@typescript-eslint/comma-dangle': [
      'error',
      {
        arrays: 'only-multiline',
        objects: 'only-multiline',
        imports: 'only-multiline',
        exports: 'only-multiline',
        functions: 'never',
      },
    ],
    'global-require': 'off',
    'import-helpers/order-imports': [
      'error',
      {
        alphabetize: {
          ignoreCase: true,
          order: 'asc',
        },
        groups: ['module', ['parent', 'sibling', 'index']],
        newlinesBetween: 'always',
      },
    ],
    'no-multiple-empty-lines': [
      'error',
      {
        max: 1,
      },
    ],
    semi: 'error',
    'no-empty-function': 'off',
    '@typescript-eslint/no-empty-function': 'off',
    'no-console': 'warn',
    'no-unsafe-optional-chaining': 'error',
    'comma-spacing': [
      'error',
      {
        before: false,
        after: true,
      },
    ],
    'array-bracket-spacing': [
      'error',
      'always',
      {
        objectsInArrays: false,
      },
    ],
    'array-element-newline': [
      'error',
      {
        multiline: true,
        minItems: 3,
      },
    ],
    indent: [
      'error',
      2,
      {
        SwitchCase: 1,
      },
    ],
    'sort-imports': [
      'error',
      {
        ignoreCase: true,
        ignoreDeclarationSort: true,
      },
    ],
    'import/prefer-default-export': 'off',
    'no-debugger': 'warn',
    'operator-linebreak': ['error', 'before'],
    'object-curly-newline': [
      1,
      {
        ObjectExpression: {
          multiline: true,
        },
        ObjectPattern: {
          multiline: true,
        },
        ExportDeclaration: {
          multiline: true,
        },
        ImportDeclaration: {
          multiline: true,
        },
      },
    ],
    'modules-newline/export-declaration-newline': 2,
  },
};