eslint-config-moon

A modern and strict ESLint configuration with optional presets and first-class TypeScript support. Expands upon the amazing Airbnb config to provide the latest ECMAScript features, enforce popular patterns, and align with the wider community.

yarn add --dev eslint eslint-config-moon

Setup

Extend the moon config in your root .eslintrc.js. Additional presets are available for additional rules.

module.exports = {
  root: true,
  extends: ['moon'],
};

Presets

The following additional configs can also be extended, but are not enabled by default.

• moon/browser - Sets the environment to the browser/DOM and enables the compat plugin. Should not be used with the node preset.
• moon/node - Sets the environment to Node.js and enables the node plugin. Should not be used with the browser preset.
• moon/react - Enables the react, react-hooks, react-perf, and jsx-a11y plugins.
  • Only applies to *.tsx files and also extends the browser preset.
  • Enables automatic JSX runtime if react version is 17+.
• moon/solid - Enables the solid plugin.
  • Only applies to *.tsx files and also extends the browser preset.

Features

• Extends the airbnb-base config and enables additional rules.
• Prefers named exports over default exports.
• Enforces async/await/promise best practices with the promise plugin.
• Sorts imports/exports in a logical way using the simple-import-sort plugin.
• Encourages readable tests with the jest plugin. Only applies to test files.
• Enables additional awesome rules from the unicorn plugin.
• Automatically sets parserOptions.project based on the root tsconfig.json.
• Avoids any type and unsafe operations.
• Uses tabs over spaces for accessibility compliance.

Requirements

• Source files must be located in a src folder.
• Tests files must end in *.test.* and be located within a tests or __tests__ folder.
• Relies on TypeScript for parsing files.
• Root package.json contains a Node.js engine for the target runtime.