Hello, thanks for this ble with serial port library

I got this error while trying to connect:
return navigator.bluetooth.requestDevice ({
            ^
ReferenceError: navigator is not defined

Here is my code :
var BluetoothTerminal = require('bluetooth-terminal');

var SERVICE_ID = 'c1b25000caaf6d0e4c337dae30052840';
var CHARACTERISTIC_ID = 'c1b25010caaf6d0e4c337dae30052840';
var CCC_ID = '2902'; // for Client Characteristic Configuration ID

// Obtain configured instance.
var terminal = new BluetoothTerminal(SERVICE_ID, CHARACTERISTIC_ID);

// Request the device for connection and get its name after successful connection.
terminal.connect().then(function() {
alert(terminal.getDeviceName() + ' is connected!');
});

https://github.com/loginov-rocks/bluetooth-terminal/tree/typescript

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Hi,

I was experimenting with web bluetooth with a thermal printer and tried using your nice lib instead of rewriting the same thing myself. This mostly worked out except for two things:

1. You assume that the device supports notifications but this is not true for my test printer characteristic.properties.notify is false so any connect() attempt will fail
2. You assume that I want to send a string encoded using a TextEncoder but the printer wants something encoded using a EscPosEncoder. As you have implemented send as public send(data: string): Promise<void> I had to rewrite that part including chunk splitting.

Would you be interesting in incorporating something for this or should i just keep it in a fork?

I get Network error when connecting with my Phone. How do I resolve this?

The devDependency eslint was updated from 5.15.3 to 5.16.0.

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Hi. I'm working on a node project that needs to communicate (read and write) with a BLE hardware.
I couldn't figure out how to write a simple send/receive code with this package so I would be really appreciated if anyone could provide a simple sample code that:

1. Scan and look for a specific name of the BLE device like mlt-bT05 or HC-08
2. Connect to the device
3. Read data from the device
4. If received data was 'How are you doing?', then send 'I'm doing fine' back to the device.

thanks in adv.

Hello, thanks for this library. I just gave it a quick test run and faced some problems :)
When writing a few commands in chain like:

terminal.send("test 1234").then(() => terminal.send("test 2345").then(() => terminal.send("test 3456"))

I get an "gatt operation already in progress" error.
I didn't have a deeper look at the code yet, but it seems like currently send doesn't actually wait till the characters are send to return the promise. Also I was wondering why sendDelay is needed at all couldn't we simply use the promise in https://github.com/1oginov/bluetooth-terminal/blob/master/src/BluetoothTerminal.js#L395 which is returned by writeValue https://developer.mozilla.org/en-US/docs/Web/API/BluetoothRemoteGATTCharacteristic/writeValue to determine the "finished state"?

There is an undefined navigator object at line 278. You create it as global in the test procedure, but without this hack, the library cannot be used, unfortunately.

Navigator error when runing the library, is it something i could fix, am willing to contribute?