Error integrating Konva JS in a Vaddin 14 In-project Web Component

Hello, I am new in Vaadin 14, I am trying to integrate Konva JS in a Vaddin 14 In-project Web Component, I install the npm package with the command npm install konva --save, when i import the package into my web component using import Konva from 'konva'; i am getting the error in the browser console

Uncaught Error: Cannot find module 'konva?babel-target=es6'
    at webpackMissingModule (konva-element.js?0b6b:1)
    at eval (konva-element.js?0b6b:1)
    at Module../konva/konva-element.js?babel-target=es6 (vaadin-bundle-e1f89c2a620cd3d0c19d.cache.js:1021)
    at __webpack_require__ (vaadin-bundle-e1f89c2a620cd3d0c19d.cache.js:20)
    at eval (generated-flow-imports.js?b518:1)
    at Module.../target/frontend/generated-flow-imports.js?babel-target=es6 (vaadin-bundle-e1f89c2a620cd3d0c19d.cache.js:1009)
    at __webpack_require__ (vaadin-bundle-e1f89c2a620cd3d0c19d.cache.js:20)
    at vaadin-bundle-e1f89c2a620cd3d0c19d.cache.js:84
    at vaadin-bundle-e1f89c2a620cd3d0c19d.cache.js:87

I download the project base from []

What i doing wrong?