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> To this day I still dont know why WebSockets and SSE dont support sending headers on the initial request Doesn't the initial request get to send a full set o

• paulgb 3y ago
  It does, but if you're calling it from the browser you can't add arbitrary data to them (the way you can in e.g. a `fetch`)
  • makkesk8 3y ago
    Someone at Azure thought of this[1] [1] https://github.com/Azure/fetch-event-source https://github.com/Azure/fetch-event-source
  • pier25 3y ago
    > you can't add arbitrary data to them What about intercepting the request with a service worker?