| 'use strict'; | |
| // Dedicated worker | |
| if (typeof postMessage === 'function') { | |
| onmessage = event => { | |
| switch(event.data.type) { | |
| case 'ready': | |
| navigator.usb.getDevices().then( | |
| () => postMessage({ enabled: true }), | |
| error => postMessage ({ enabled: false })); | |
| break; | |
| } | |
| }; | |
| } |