Merge branch 'fix-cancel-action' into 'master'

handle null file return value

See merge request !10

src/App.jsx

@@ -315,9 +315,10 @@ export default function Bet() {
 	})
 
 	inFileSocket.on('files', (data) => {
-		console.log(data)
-		updateBetOptsValue('input', data[0])
-		setNiivueImage(`http://${host}:${fileServerPort}/file/?filename=${data[0]}`)
+		updateBetOptsValue('input', data[0] ? data[0] : '')
+		if (data[0] !== '') {
+			setNiivueImage(`http://${host}:${fileServerPort}/file/?filename=${data[0]}`)
+		}
 	})
 
 	runSocket.on('run', (data) => {
@@ -350,7 +351,7 @@ export default function Bet() {
 	}, [useCrosshairs])
 
 	function setOutputName(fileName) {
-		if (fileName === '') {
+		if (fileName === '' || typeof fileName === 'undefined') {
 			return ''
 		}
 		let extIdx = fileName.lastIndexOf('.nii')