Buffer is not Defined

[0777vaibhav]

Reference Error: Buffer is not defined
react-aws-s3.js.a.getPolicy
react-aws-s3.js.s.uploadFile

react version is ^16.12.0
react-aws-s3 is ^1.5.0
react-scripts package version is 5.0.0

[ramyjaber1]

npm i buffer
then add this at the top of you file under all the imports
window.Buffer = window.Buffer || require("buffer").Buffer;