Library Affected:
workbox-window

Browser & Platform:
All browsers that support service workers and message channels

Issue or Feature Request Description:
When sending a message from the service worker to all clients (in the case of testing, only one client), the client does not receive the message port with which to respond. This happens when adding the message event liste

Here is an issues with detailed description: NekR/offline-plugin#77

The issue I'm experiencing is pretty annoying.
I'm trying to optimize my first byte, by turning off compression, and gziping everything by webpack with CompressionPlugin. The issue is that it doesn't compress service-worker.js produced by sw-precache-webpack-plugin.

I understand the reason why: service-worker.js should cache all chunks produced by webpack after CompressionPlugin compress