Ergonomic, modern and type-safe assertion library for TypeScript

Brings good parts of Jest back to good ol' Mocha

Features

• 💪 Powerful validators and matchers
• 🤖 Type-safe - written in TypeScript and goes well with static analysis
• 🎭 Builtin support for mocks
• ☕ Works great with Mocha

Installation

npm install --save-dev earljs

Example

import { expect } from 'earljs'

// ...

expect(response).toEqual({
  body: { trimmed: true, timestamp: expect.a(String) },
})

Docs

• Getting started
• Step by step guide
• API reference

✨ Contributors

Our contributing guide.

Thanks goes to these wonderful people (emoji key):

Kris Kaczor 💻 📖 🤔

Piotr Szlachciak 💻 🤔 🎨

Artur Kozak 🤔

Leonid Logvinov 📖 💻

Ivan Pantic 📖

grzpab 💻

Contributions of any kind welcome!

Earl logo by @sz-piotr

License

Kris Kaczor MIT