"No Tech" when attempting to use Cordova

[JohnMcLear]

    onDeviceReady: function() {
        this.receivedEvent('deviceready');

        const transceiveFunction = nfc.transceive.bind(nfc);
        const gpcard = new GlobalPlatform(transceiveFunction);

        nfc.addTagDiscoveredListener(function(){

          gpcard.connect().then(() => {
              console.log("connected")
          }).catch(error => {
              console.error(error)
          })
        });

    },

Also attempted

        const transceiveFunction = nfc.transceive.bind(nfc);
        const gpcard = new GlobalPlatform(transceiveFunction);

        nfc.addTagDiscoveredListener(function(){
          nfc.connect('android.nfc.tech.IsoDep', 500).then(
            gpcard.connect().then(() => {
                console.log("connected")
            }).catch(error => {
                console.error(error); // Returns "Not connected"
            })
          )
        });

This returns: TypeError: e.readUInt16BE is not a function(…)nfc.connect.then.gpcard.connect.then.catch.error @ index.js:40

[benbenbenbenbenben]

readUInt16BE is not a function suggest you're using the wrong version of the code in your build.

readUInt16BE is a Buffer API so you have to use browser/bundle.js or browser/bundle.debug.js for Cordova.

Incidentally, are you working in your fork? You are a few commits behind.