scratch3 gui npm install

出現error
    ERROR in ./node_modules/scratch-vm/src/extensions/scratch3_onegpioArduino/index.js
    Module not found: Error: Can't resolve 'sweetalert' in '/home/teacher/音樂/OSEP/node_modules/scratch-vm/src/extensions/scratch3_onegpioArduino'

解決方式

npm install --save sweetalert