third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/resources/fetch-event-respond-with-readable-stream-worker.js

'use strict';

self.addEventListener('fetch', event => {
    if (!event.request.url.match(/body-stream$/))
      return;

    const stream = new ReadableStream({start: controller => {
        const encoder = new TextEncoder();
        controller.enqueue(encoder.encode('PASS'));
        controller.close();
      }});
    event.respondWith(new Response(stream));
  });