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pasting gcode into the multiline module fails

in the lineThru function, state.incoming.value is treated like a string, however, it is actually an object when I paste gcode string (copied from one of the gcode files in the rndmc/files directory) fails and somehow, state.incoming.value is set to be the object (see printed output below).

ERROR:

/Users/quacht/Documents/Course/htmaa/rndmc/modules/ui/multiline.js:52
        var inBox = state.incoming.value.split('\n')
                                         ^

TypeError: state.incoming.value.split is not a function
    at Object.lineThru [as onClick] (/Users/quacht/Documents/Course/htmaa/rndmc/modules/ui/multiline.js:52:42)
    at uiRequestStateChange (/Users/quacht/Documents/Course/htmaa/rndmc/views.js:256:36)
    at socketRecv (/Users/quacht/Documents/Course/htmaa/rndmc/views.js:106:13)
    at WebSocket.ws.on (/Users/quacht/Documents/Course/htmaa/rndmc/views.js:53:13)
    at WebSocket.emit (events.js:182:13)
    at Receiver.receiverOnMessage (/Users/quacht/Documents/Course/htmaa/rndmc/node_modules/ws/lib/websocket.js:719:20)
    at Receiver.emit (events.js:182:13)
    at Receiver.dataMessage (/Users/quacht/Documents/Course/htmaa/rndmc/node_modules/ws/lib/receiver.js:414:14)
    at Receiver.getData (/Users/quacht/Documents/Course/htmaa/rndmc/node_modules/ws/lib/receiver.js:346:17)
    at Receiver.startLoop (/Users/quacht/Documents/Course/htmaa/rndmc/node_modules/ws/lib/receiver.js:133:22)

MODIFIED CODE TO GET LOGGING:

function lineThru() {
        // get all as arrays with linebreak as delimiter
        var outBox = state.previously.value.split('\n')
        var box = state.now.value
        console.log('TINA multilinejs lineThru')
        console.log(typeof(state.incoming.value))
        console.log(state.incoming.value)
        var inBox = state.incoming.value.split('\n')

OUTPUT:

object
{ type: 'multiline',
  label: 'future lines',
  rows: 36,
  value:
   'G0 Z5.0000 F100\nG0 X87.7230Y8.0230\nG1 Z0.0000 F50\nG1 X0.9540Y126.8930\nG0 Z5.0000\nG0 X0.9540Y126.8930\nG1 Z0.0000\nG1 X29.2600Y54.1250\nG1 X87.6220Y8.0230\nG1 X87.7230Y8.0230\nG0 Z5.0000\nG0 X87.7230Y8.0230\nG1 Z0.0000\nG1 X87.7320Y8.0230\nG1 X91.6956Y21.1580\nG0 Z5.0000\nG0 X91.6956Y21.1580\nG1 Z0.0000\nG1 X123.4990Y126.5520\nG1 X123.4990Y126.5606\nG0 Z5.0000\nG0 X123.4990Y126.5606\nG1 Z0.0000\nG1 X91.6956Y21.1580\nG0 Z5.0000\nG0 X91.6956Y21.1580\nG1 Z0.0000\nG1 X87.7323Y8.0228\nG0 Z5.0000\nG0 X87.7323Y8.0228\nG1 Z0.0000\nG1 X169.6749Y9.3584\nG1 X227.8618Y53.8484\nG0 Z5.0000\nG0 X227.8618Y53.8484\nG1 Z0.0000\nG1 X87.7323Y8.0228\nG0 Z5.0000\nG0 X123.4990Y126.5606\nG1 Z0.0000\nG1 X123.4997Y126.5611\nG0 Z5.0000\nG0 X123.4997Y126.5611\nG1 Z0.0000\nG1 X123.5012Y126.5600\nG0 Z5.0000\nG0 X123.5012Y126.5600\nG1 Z0.0000\nG1 X123.5000Y126.5600\nG1 X123.4997Y126.5611\nG0 Z5.0000\nG0 X123.4997Y126.5611\nG1 Z0.0000\nG1 X93.7777Y223.2278\nG0 Z5.0000\nG0 X93.7777Y223.2278\nG1 Z0.0000\nG1 X86.5717Y246.6659\nG0 Z5.0000\nG0 X86.5717Y246.6659\nG1 Z0.0000\nG1 X86.5713Y246.6656\nG0 Z5.0000\nG0 X86.5713Y246.6656\nG1 Z0.0000\nG1 X86.4979Y246.6105\nG0 Z5.0000\nG0 X86.4979Y246.6105\nG1 Z0.0000\nG1 X0.9907Y127.1050\nG0 Z5.0000\nG0 X0.9907Y127.1050\nG1 Z0.0000\nG1 X0.9906Y127.1048\nG0 Z5.0000\nG0 X0.9906Y127.1048\nG1 Z0.0000\nG1 X86.4979Y246.6105\nG0 Z5.0000\nG0 X86.4979Y246.6105\nG1 Z0.0000\nG1 X28.2465Y201.8719\nG1 X0.9907Y127.1050\nG0 Z5.0000\nG0 X0.9907Y127.1050\nG1 Z0.0000\nG1 X0.9630Y127.0220\nG1 X7.7722Y126.9995\nG0 Z5.0000\nG0 X7.7722Y126.9995\nG1 Z0.0000\nG1 X0.9630Y127.0220\nG1 X0.9350Y126.9390\nG1 X0.9540Y126.8930\nG0 Z5.0000\nG0 X7.7722Y126.9995\nG1 Z0.0000\nG1 X123.4807Y126.6170\nG0 Z5.0000\nG0 X123.4807Y126.6170\nG1 Z0.0000\nG1 X7.7722Y126.9995\nG0 Z5.0000\nG0 X123.4807Y126.6170\nG1 Z0.0000\nG1 X123.4810Y126.6170\nG0 Z5.0000\nG0 X123.4810Y126.6170\nG1 Z0.0000\nG1 X123.4990Y126.5606\nG0 Z5.0000\nG0 X123.5012Y126.5600\nG1 Z0.0000\nG1 X205.3440Y69.7019\nG0 Z5.0000\nG0 X205.3440Y69.7019\nG1 Z0.0000\nG1 X123.5100Y126.5600\nG0 Z5.0000\nG0 X123.5100Y126.5600\nG1 Z0.0000\nG1 X227.0000Y201.4800\nG0 Z5.0000\nG0 X227.0000Y201.4800\nG1 Z0.0000\nG1 X226.9900Y201.5000\nG1 X226.9018Y201.5686\nG0 Z5.0000\nG0 X226.9018Y201.5686\nG1 Z0.0000\nG1 X201.5364Y209.7327\nG0 Z5.0000\nG0 X201.5364Y209.7327\nG1 Z0.0000\nG1 X226.9000Y201.5700\nG1 X226.9018Y201.5686\nG0 Z5.0000\nG0 X226.9018Y201.5686\nG1 Z0.0000\nG1 X226.9039Y201.5680\nG1 X168.2011Y247.8725\nG0 Z5.0000\nG0 X168.2011Y247.8725\nG1 Z0.0000\nG1 X86.6730Y246.7027\nG1 X201.5364Y209.7327\nG0 Z5.0000\nG0 X201.5364Y209.7327\nG1 Z0.0000\nG1 X86.6700Y246.7000\nG1 X86.6300Y246.7000\nG1 X86.5700Y246.6700\nG0 Z5.0000\nG0 X86.5700Y246.6700\nG1 Z0.0000\nG1 X86.5713Y246.6656\nG0 Z5.0000\nG0 X86.5713Y246.6656\nG1 Z0.0000\nG1 X93.7777Y223.2278\nG0 Z5.0000\nG0 X93.7777Y223.2278\nG1 Z0.0000\nG1 X123.4807Y126.6170\nG0 Z5.0000\nG0 X123.5012Y126.5600\nG1 Z0.0000\nG1 X123.5100Y126.5600\nG0 Z5.0000\nG0 X205.3440Y69.7019\nG1 Z0.0000\nG1 X227.8979Y54.0315\nG0 Z5.0000\nG0 X227.8979Y54.0315\nG1 Z0.0000\nG1 X227.8982Y53.9686\nG0 Z5.0000\nG0 X227.8982Y53.9686\nG1 Z0.0000\nG1 X227.8982Y53.8944\nG1 X227.8892Y53.8670\nG1 X227.8618Y53.8484\nG0 Z5.0000\nG0 X227.8982Y53.9686\nG1 Z0.0000\nG1 X227.8987Y53.8944\nG1 X255.3111Y129.1221\nG1 X227.0236Y201.4114\nG0 Z5.0000\nG0 X227.0236Y201.4114\nG1 Z0.0000\nG1 X227.5750Y108.4543\nG0 Z5.0000\nG0 X227.5750Y108.4543\nG1 Z0.0000\nG1 X227.8979Y54.0332\nG0 Z5.0000\nG0 X227.8979Y54.0332\nG1 Z0.0000\nG1 X227.8979Y54.0315\nG0 Z5.0000\nG0 X227.8979Y54.0315\nG1 Z0.0000\nG1 X227.8982Y54.0312\nG0 Z5.0000\nG0 X227.8982Y54.0312\nG1 Z0.0000\nG1 X227.8982Y53.9686\nG0 Z5.0000\nG0 X227.8982Y54.0312\nG1 Z0.0000\nG1 X227.9000Y54.0300\nG1 X227.5750Y108.4543\nG0 Z5.0000\nG0 X227.5750Y108.4543\nG1 Z0.0000\nG1 X227.0200Y201.4100\nG1 X227.0000Y201.4800\nG0 Z5.0000\nG0 X205.3440Y69.7019\nG1 Z0.0000\nG1 X227.8979Y54.0332\nG0 Z5.0000\nG0 X227.8979Y54.0332\nG1 Z0.0000\nG1 X227.8987Y54.0326\nG0 Z5.0000\nG0 X227.8987Y54.0326\nG1 Z0.0000\nG1 X227.8982Y54.0312\nG0 Z5.0000\nG0 Z5.0000\nG0 X0Y0\nM05' }```