This is an ES module build of pull-stream
To use in a bundle-free browser setup:
npm i -D pull-esm
mkdir vendor
cp node_modules/pull-esm/dist/index.js vendor/pull-stream.js
Then you can import it in your js like so:
import pull from './vendor/pull-stream.js'
If you are using Node you can probably just
import pull from 'pull-esm'