Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests
npm install babel-istanbul* This package handles coverage for babel generated code by reconciling babel's output and its source map.
* babel-istanbul is drop-in replacement for istanbul, as it is a fork of istanbul with babel compilation inserted into the instrumentation layer.
$ npm install babel-istanbul
* babel-istanbul is run exactly like istanbul. For specifics on running istanbul, see istanbul's README.