challenge-algorithms-v2.0-u.../node_modules/babel-preset-jest/README.md

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# babel-preset-jest
> Babel preset for all Jest plugins. This preset is automatically included when using [babel-jest](https://github.com/facebook/jest/tree/main/packages/babel-jest).
## Install
```sh
$ npm install --save-dev babel-preset-jest
```
## Usage
### Via `babel.config.js` (Recommended)
```js
module.exports = {
presets: ['jest'],
};
```
### Via CLI
```sh
$ babel script.js --presets jest
```
### Via Node API
```javascript
require('@babel/core').transform('code', {
presets: ['jest'],
});
```