Instrumenter for esnext-coverage
npm install babel-plugin-transform-esnext-coverage

Instrumenter for esnext-coverage.
``sh`
npm install babel-plugin-transform-esnext-coverage --save-dev
It is recommended that you run the instrumenter conditionally, using env variables, e.g. NODE_ENV=test:
`json`
{
"env": {
"test": {
"plugins": ["transform-esnext-coverage"]
}
}
}
`sh`
$ babel --plugins transform-esnext-coverage script.js
`js``
require('babel-core').transform('code', {
plugins: ['transform-esnext-coverage']
});