stale/node_modules/babel-preset-jest/README.md

babel-preset-jest

Babel preset for all Jest plugins. This preset is automatically included when using babel-jest.

Install

$ npm install --save-dev babel-preset-jest

Usage

Via babel.config.js (Recommended)

module.exports = {
  presets: ['jest'],
};

Via CLI

$ babel script.js --presets jest

Via Node API

require('@babel/core').transform('code', {
  presets: ['jest'],
});