Install web-haptics (npm i web-haptics) and add haptic feedback to the app following these rules:

Package: web-haptics

Repository: https://github.com/lochie/web-haptics | License: MIT | Zero dependencies Uses the Web Vibration API. Silently no-ops on unsupported platforms (desktop). No error handling or feature detection needed.

Trigger Types

trigger() accepts one of these strings (empty value defaults to a sensible "medium" impact):

Notification (task outcomes):

"success" -- form saved, payment confirmed, upload complete
"warning" -- destructive action ahead, approaching limit, irreversible step
"error" -- validation failure, network error, permission denied

Impact (physical collisions):