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QuickJS Native Messaging host

Installation and usage on Chrome and Chromium

  1. Navigate to chrome://extensions.
  2. Toggle Developer mode.
  3. Click Load unpacked.
  4. Select native-messaging-quickjs folder.
  5. Note the generated extension ID.
  6. Open nm_qjs.json in a text editor, set "path" to absolute path of nm_qjs.js and chrome-extension://<ID>/ using ID from 5 in "allowed_origins" array.
  7. Copy the nm_qjs.json file to Chrome or Chromium configuration folder, e.g., Chromium on *nix ~/.config/chromium/NativeMessagingHosts; Chrome dev channel on *nix ~/.config/google-chrome-unstable/NativeMessagingHosts.
  8. Make sure qjs executable and nm_qjs.js are executable.
  9. To test click service worker link in panel of unpacked extension which is DevTools for background.js in MV3 ServiceWorker, observe echo'ed message from txiki.js Native Messaging host. To disconnect run port.disconnect().

The Native Messaging host echoes back the message passed.

For differences between OS and browser implementations see Chrome incompatibilities.

This is FOSS. If you think a license is necessary consider WTFPLv2 applicable.