Answers for "npm ERR! Unexpected end of JSON input while parsing near '...GNATURE-----\r\nVersi'"

SyntaxError: Unexpected end of JSON input while parsing near '...version":"2.0.6","devD' cli

npm cache clean --force
then run npm i

npm ERR! Unexpected end of JSON input while parsing near '...rity":"sha512-o7nOSN0

npm cache clean --force

Unexpected end of JSON input while parsing near

Open Windows Powershell as admin
npm cache clean --force
solved the problem for me

Alternative : You can use yarn instead
npm install -g yarn