Unexpected end of JSON input while parsing near '...n":"7.0.11","chai":"4' code example

Example 1: SyntaxError: Unexpected end of JSON input while parsing near '...version":"2.0.6","devD' cli

npm cache clean --force
then run npm i

Example 2: 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