.eslintrc.js

module.exports = {
  root: true,
  env: { es6: true, node: true },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    tsconfigRootDir: __dirname,
    project: ['./tsconfig.eslint.json', './packages/*/tsconfig.json'],
  },
  plugins: ['@typescript-eslint', 'import', 'simple-import-sort', 'jest'],
  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'prettier'],
  rules: {
    //
    // eslint-plugin-import
    //

    // disallow non-import statements appearing before import statements
    'import/first': 'error',
    // Require a newline after the last import/require in a group
    'import/newline-after-import': 'error',
    // Forbid import of modules using absolute paths
    'import/no-absolute-path': 'error',
    // disallow AMD require/define
    'import/no-amd': 'error',
    // forbid default exports - we want to standardize on named exports so that imported names are consistent
    'import/no-default-export': 'error',
    // disallow imports from duplicate paths
    'import/no-duplicates': 'error',
    // Forbid the use of extraneous packages
    'import/no-extraneous-dependencies': [
      'error',
      {
        devDependencies: true,
        peerDependencies: true,
        optionalDependencies: false,
      },
    ],
    // Forbid mutable exports
    'import/no-mutable-exports': 'error',
    // Prevent importing the default as if it were named
    'import/no-named-default': 'error',
    // Prohibit named exports
    'import/no-named-export': 'off', // we want everything to be a named export
    // Forbid a module from importing itself
    'import/no-self-import': 'error',
    // Require modules with a single export to use a default export
    'import/prefer-default-export': 'off', // we want everything to be named

    // enforce a sort order across the codebase
    'simple-import-sort/imports': 'error',
  },
};