node-usb BeagleBone

index.js

const usb = require('usb');
const device = usb.findByIds(0x1d6b, 0x0104);
device.open();
for (let i = 0; i < 7; i++) {
  let devInt = device.interface(i);
  if (devInt.isKernelDriverActive()) devInt.detachKernelDriver();
  devInt.claim();
}
device.interfaces.forEach((interfac) => {
  console.log(interfac);
});

main.js

const usb = require('usb');
const device = usb.findByIds(0x1d6b, 0x0104);
device.open();
for (let i = 0; i < 7; i++) {
  let devInt = device.interface(i);
  if (devInt.isKernelDriverActive()) devInt.detachKernelDriver();
  devInt.claim();
}
device.interfaces.forEach((interfac) => {
  try {
    console.log(interfac.endpoints[0].address);
  }
  catch (e) {
    console.log(e);
  }
});

output1

130
129
132
TypeError: Cannot read property 'address' of undefined
    at device.interfaces.forEach (/home/ravi/node-beagle-boot/main.js:426:39)
    at Array.forEach (<anonymous>)
    at Object.<anonymous> (/home/ravi/node-beagle-boot/main.js:424:19)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
134
133
135

output2

[ InEndpoint {
    device:
     Device {
       busNumber: 1,
       deviceAddress: 8,
       deviceDescriptor: [Object],
       portNumbers: [Array],
       interfaces: [Array],
       _configDescriptor: [Object] },
    descriptor:
     { bLength: 7,
       bDescriptorType: 5,
       bEndpointAddress: 130,
       bmAttributes: 3,
       wMaxPacketSize: 8,
       bInterval: 9,
       bRefresh: 0,
       bSynchAddress: 0,
       extra: <Buffer > },
    address: 130,
    transferType: 3 } ]
[ InEndpoint {
    device:
     Device {
       busNumber: 1,
       deviceAddress: 8,
       deviceDescriptor: [Object],
       portNumbers: [Array],
       interfaces: [Array],
       _configDescriptor: [Object] },
    descriptor:
     { bLength: 7,
       bDescriptorType: 5,
       bEndpointAddress: 129,
       bmAttributes: 2,
       wMaxPacketSize: 512,
       bInterval: 0,
       bRefresh: 0,
       bSynchAddress: 0,
       extra: <Buffer > },
    address: 129,
    transferType: 2 },
  OutEndpoint {
    device:
     Device {
       busNumber: 1,
       deviceAddress: 8,
       deviceDescriptor: [Object],
       portNumbers: [Array],
       interfaces: [Array],
       _configDescriptor: [Object] },
    descriptor:
     { bLength: 7,
       bDescriptorType: 5,
       bEndpointAddress: 1,
       bmAttributes: 2,
       wMaxPacketSize: 512,
       bInterval: 0,
       bRefresh: 0,
       bSynchAddress: 0,
       extra: <Buffer 08 0b 02 02 02 06 00 0c> },
    address: 1,
    transferType: 2 } ]
[ InEndpoint {
    device:
     Device {
       busNumber: 1,
       deviceAddress: 8,
       deviceDescriptor: [Object],
       portNumbers: [Array],
       interfaces: [Array],
       _configDescriptor: [Object] },
    descriptor:
     { bLength: 7,
       bDescriptorType: 5,
       bEndpointAddress: 132,
       bmAttributes: 3,
       wMaxPacketSize: 16,
       bInterval: 9,
       bRefresh: 0,
       bSynchAddress: 0,
       extra: <Buffer > },
    address: 132,
    transferType: 3 } ]
[]
[ InEndpoint {
    device:
     Device {
       busNumber: 1,
       deviceAddress: 8,
       deviceDescriptor: [Object],
       portNumbers: [Array],
       interfaces: [Array],
       _configDescriptor: [Object] },
    descriptor:
     { bLength: 7,
       bDescriptorType: 5,
       bEndpointAddress: 134,
       bmAttributes: 3,
       wMaxPacketSize: 10,
       bInterval: 9,
       bRefresh: 0,
       bSynchAddress: 0,
       extra: <Buffer > },
    address: 134,
    transferType: 3 } ]
[ InEndpoint {
    device:
     Device {
       busNumber: 1,
       deviceAddress: 8,
       deviceDescriptor: [Object],
       portNumbers: [Array],
       interfaces: [Array],
       _configDescriptor: [Object] },
    descriptor:
     { bLength: 7,
       bDescriptorType: 5,
       bEndpointAddress: 133,
       bmAttributes: 2,
       wMaxPacketSize: 512,
       bInterval: 0,
       bRefresh: 0,
       bSynchAddress: 0,
       extra: <Buffer > },
    address: 133,
    transferType: 2 },
  OutEndpoint {
    device:
     Device {
       busNumber: 1,
       deviceAddress: 8,
       deviceDescriptor: [Object],
       portNumbers: [Array],
       interfaces: [Array],
       _configDescriptor: [Object] },
    descriptor:
     { bLength: 7,
       bDescriptorType: 5,
       bEndpointAddress: 3,
       bmAttributes: 2,
       wMaxPacketSize: 512,
       bInterval: 0,
       bRefresh: 0,
       bSynchAddress: 0,
       extra: <Buffer > },
    address: 3,
    transferType: 2 } ]
[ InEndpoint {
    device:
     Device {
       busNumber: 1,
       deviceAddress: 8,
       deviceDescriptor: [Object],
       portNumbers: [Array],
       interfaces: [Array],
       _configDescriptor: [Object] },
    descriptor:
     { bLength: 7,
       bDescriptorType: 5,
       bEndpointAddress: 135,
       bmAttributes: 2,
       wMaxPacketSize: 512,
       bInterval: 0,
       bRefresh: 0,
       bSynchAddress: 0,
       extra: <Buffer > },
    address: 135,
    transferType: 2 },
  OutEndpoint {
    device:
     Device {
       busNumber: 1,
       deviceAddress: 8,
       deviceDescriptor: [Object],
       portNumbers: [Array],
       interfaces: [Array],
       _configDescriptor: [Object] },
    descriptor:
     { bLength: 7,
       bDescriptorType: 5,
       bEndpointAddress: 4,
       bmAttributes: 2,
       wMaxPacketSize: 512,
       bInterval: 1,
       bRefresh: 0,
       bSynchAddress: 0,
       extra: <Buffer > },
    address: 4,
    transferType: 2 } ]