fix: remove "stream" dependency in browser bundles, #396

src/emitters/streamed-emitter-browser.ts

@@ -0,0 +1,12 @@
+import { Emitter } from './emitter'
+
+export class StreamedEmitter implements Emitter {
+  public buffer = '';
+  public stream: NodeJS.ReadableStream = null as any
+  constructor () {
+    throw new Error('streaming not supported in browser')
+  }
+  public write: (html: any) => void
+  public error: (err: Error) => void
+  public end: () => void
+}