Test stream creation in nbb

stream-test.cljs

(ns stream-test
  (:require [cljs.pprint :refer [pprint]]
            ["readable-stream" :as stream]))

(def number-stream
  (new stream.Readable
   #js{:objectMode true
       :read (fn [count] (.push js/this 42))}))

(-> number-stream
    (.on "data" (fn [chunk] (pprint (list "got" chunk))))
    (.on "error" (fn [err] (pprint (list "err" err)))))

;; ("err" #object[TypeError TypeError: Cannot read property 'push' of undefined])