# Streams API polyfill for PDF.js This folder contains streams-lib.js file that works as a polyfill for `Streams API in PDF.js` project. ## Steps to create streams-lib.js file - Fork [Streams API](https://github.com/whatwg/streams/tree/master/reference-implementation) reference implementation. - Bundle and port to es5 ref-implementation files using webpack to create commonjs module.