# istanbul-lib-hook [![Greenkeeper badge](https://badges.greenkeeper.io/istanbuljs/istanbul-lib-hook.svg)](https://greenkeeper.io/) [![Build Status](https://travis-ci.org/istanbuljs/istanbul-lib-hook.svg?branch=master)](https://travis-ci.org/istanbuljs/istanbul-lib-hook) Hooks for require, vm and script used in istanbul