@danniela_navarrete77,

You can save CanvasJS file (canvasjs.min.js) in src folder of your project (‘src/assets/js’ or ‘src/lib’) and import the CanvasJS library to your app using import CanvasJS from 'canvasjs.min' (path may vary based on file location like ‘./src/assets/js/canvasjs.min’ or ‘./src/lib/canvasjs.min’). Or you can add it in your html file using script-tag. Please take a look at this ionic documentation on Adding 3rd Party Libraries.

Also please refer this tutorial on How to Install 3rd Party Libraries in Ionic 2 and step-by-step guide given in this github thread for more info.

—
Vishwas R
Team CanvasJS