Where is babel-runtime used?

erikras / react-redux-universal-hot-example

A starter boilerplate for a universal webapp using express, react, redux, webpack, and react-transform

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Where is babel-runtime used? #1297

Open davidrossjones opened 7 years ago

davidrossjones commented 7 years ago

Can anyone explain why babel-runtime is a dependency in package.json (and configured in .babelrc with transform-runtime) when babel-polyfill also seems to be used for both dev and production entry points?

Am I missing something? Why do you need both?