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 popper.js@1.16.1: You can find the new Popper v2 at @popperjs/core, this package is dedicated to the legacy v1

added 4 packages, and audited 5 packages in 3s

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found 0 vulnerabilities

npm install @popperjs/core --save

npm uninstall popper.js --save