Cómo usar paquetes NPM en HTML
npm install the packages in the node_modules folder, the front end
cannot use it directly, you need ES6 syntax and import them by
using the following code:
import html2cavas from "html2cavas"
then you need to use Babel to transpile your ES6 code to normal JS code
Here is the explanation:
https://hackernoon.com/use-es6-javascript-syntax-require-import-etc-in-your-front-end-project-5eefcef745c2
After that you can use the <script> tag to import the transpiled code
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