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https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Native_messaging https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/Web... It was

by Macha 2y ago

https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Native_messaging https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/Web... It was basically built so password manager extensions could communicate with password manager apps to do things like yubikey support etc. before browsers started handling webauthn

dz0ny 2y ago
Oh wow, this is cool. Yep this would make USB Serial work on Firefox with a simple extension.
- Macha 2y ago
  Extension + a native program for the extension to talk to. The native program has to manage accessing the usb device and providing an interface to the browser extension.
- AshamedCaptain 2y ago
  Yes, I have done this for (a fraction of) WebBluetooth. Albeit the extension API does not make it easy, and i don't know if you can implement the entire Web* API surface, but at least it is good enough for proofs of concept.