npm WARN deprecated popper.js@1.16.1: You can find the new Popper v2 at @popperjs/core, this package is dedicated to the legacy v1
npm WARN deprecated rollup-plugin-commonjs@7.1.0: This package has been deprecated and is no longer maintained. Please use @rollup/plugin-commonjs.
npm WARN deprecated rollup-plugin-node-resolve@2.1.1: This package has been deprecated and is no longer maintained. Please use @rollup/plugin-node-resolve.