@code-pushup/eslint-config

Recommended ESLint presets by Code PushUp.

⚙️ Configs

Stack	Config	Description
	javascript	Default config, suitable for any JavaScript/TypeScript project.
	typescript	Config for strict TypeScript projects.
	node	Config for Node.js projects.
	angular	Config for Angular projects.
	ngrx	Config for Angular projects using NgRx library.
	graphql	Config for GraphQL servers implemented in Node.js.
	jest	Config for projects using Jest for testing.
	vitest	Config for projects using Vitest for testing.
	cypress	Config for projects using Cypress for testing.
	storybook	Config for projects using Storybook for UI components.

Some configs extend other configs, as illustrated below. So, for example, extending angular config implicitly extends typescript and javascript configs as well.

  graph BT;
    javascript("javascript")
    typescript("typescript")
    node("node")
    angular("angular")
    ngrx("ngrx")
    graphql("graphql")
    typescript --extends--> javascript
    node --extends--> javascript
    angular --extends--> typescript
    ngrx --extends--> angular
    graphql --extends--> node

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🏗️ Setup

To use the default config, follow these steps:

1. You must first install all the required peer dependencies (if you haven't already):

   npm install -D eslint @eslint/js eslint-plugin-{functional,import,promise,sonarjs,unicorn} globals typescript-eslint

2. Install @code-pushup/eslint-config with:

   npm install -D @code-pushup/eslint-config

3. Include default config in your ESLint configuration file (usually eslint.config.js):

   import javascript from '@code-pushup/eslint-config/javascript.js';
   import tseslint from 'typescript-eslint';
   
   export default tseslint.config(...javascript);

Depending on your tech stack, you may wish to extend other configs as well (listed above). This will require installing additional peer dependencies. For more details, refer to setup docs for the configs you're interested in using.

📦 Peer dependencies

All peer dependencies used by @code-pushup/eslint-config are listed below, along with their supported versions. Only the default config's dependencies are required, others are optional.

	NPM package	Version	Required
	eslint	^9.0.0	✅
	@eslint/js	^9.0.0	✅
	eslint-plugin-functional	^7.0.0	✅
	eslint-plugin-import	^2.31.0	✅
	eslint-import-resolver-typescript	^3.0.0
	eslint-plugin-promise	>=6.4.0	✅
	eslint-plugin-sonarjs	^1.0.4	✅
	eslint-plugin-unicorn	>=50.0.0	✅
	globals	>=14.0.0	✅
	typescript-eslint	^8.0.0	✅
	@graphql-eslint/eslint-plugin	^3.0.0
	@ngrx/eslint-plugin	^18.0.0
	angular-eslint	^18.0.0
	eslint-plugin-cypress	>=3.3.0
	eslint-plugin-jest	^28.8.0
	eslint-plugin-jest-formatting	^3.0.0
	eslint-plugin-n	>=17.0.0
	eslint-plugin-rxjs-x	>=0.2.4
	eslint-plugin-storybook	>=0.10.0
	eslint-plugin-vitest	>=0.5.0

🧪 Test overrides

For non-production code, some rules are disabled (or downgraded from errors to warnings).

This applies to file paths matching any of the following globs:

• **/*.spec.?(c|m)[jt]s?(x)
• **/*.test.?(c|m)[jt]s?(x)
• **/__tests__/**/*.?(c|m)[jt]s?(x)
• **/__mocks__/**/*.?(c|m)[jt]s?(x)
• **/*.cy.?(c|m)[jt]s?(x)
• **/*.stories.?(c|m)[jt]s?(x)
• **/*.e2e.?(c|m)[jt]s?(x)
• **/*.mock.?(c|m)[jt]s?(x)
• **/*.mocks.?(c|m)[jt]s?(x)
• **/test/**/*.?(c|m)[jt]s?(x)
• **/tests/**/*.?(c|m)[jt]s?(x)
• **/mocks/**/*.?(c|m)[jt]s?(x)
• **/testing-utils/**/*.?(c|m)[jt]s?(x)
• **/test-utils/**/*.?(c|m)[jt]s?(x)
• **/fixtures/**/*.?(c|m)[jt]s?(x)
• **/*.config.?(c|m)[jt]s
• **/.prettierrc.?(c|m)[jt]s
• **/codegen.?(c|m)[jt]s
• **/test-setup.?(c|m)[jt]s

🫴 Contributing

Node.js installation is a prerequisite (LTS version). Install dependencies with NPM:

npm install

To execute tests:

npm test

To generate documentation:

npm run docs