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[Github](https://github.com/LedgerHQ/ledgerjs/),
[Ledger Devs Slack](https://ledger-dev.slack.com/)

## @ledgerhq/hw-transport-node-hid-noevents

Allows to communicate with Ledger Hardware Wallets.

**[Node]**/Electron **(HID)** – uses **only** `node-hid`. Does not provide USB events.

## API

<!-- Generated by documentation.js. Update this documentation by updating the source code. -->

#### Table of Contents

-   [TransportNodeHidNoEvents](#transportnodehidnoevents)
    -   [Parameters](#parameters)
    -   [Examples](#examples)
    -   [exchange](#exchange)
        -   [Parameters](#parameters-1)
    -   [close](#close)
    -   [isSupported](#issupported)
    -   [list](#list)
    -   [listen](#listen)
        -   [Parameters](#parameters-2)
    -   [open](#open)
        -   [Parameters](#parameters-3)

### TransportNodeHidNoEvents

**Extends Transport**

node-hid Transport minimal implementation

#### Parameters

-   `device` **HID.HID** 

#### Examples

```javascript
import TransportNodeHid from "@ledgerhq/hw-transport-node-hid-noevents";
...
TransportNodeHid.create().then(transport => ...)
```

#### exchange

Exchange with the device using APDU protocol.

##### Parameters

-   `apdu` **[Buffer](https://nodejs.org/api/buffer.html)** 

Returns **[Promise](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)&lt;[Buffer](https://nodejs.org/api/buffer.html)>** a promise of apdu response

#### close

release the USB device.

Returns **[Promise](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)&lt;void>** 

#### isSupported

Returns **[Promise](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)&lt;[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)>** 

#### list

Returns **[Promise](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)&lt;[Array](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)?>>** 

#### listen

##### Parameters

-   `observer` **Observer&lt;DescriptorEvent&lt;[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)?>>** 

Returns **Subscription** 

#### open

if path="" is not provided, the library will take the first device

##### Parameters

-   `path` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)?**