error Unexpected end of JSON input while parsing near '...est":"^1.1.1","karma"' 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: npm ERR! Unexpected end of JSON input while parsing near '...r\nComment: https://o'
npm cache clean --force
npm install -g @angular/cli