NPM Install Error:Unexpected end of JSON input while parsing near '…nt-webpack-plugin“:”0'

Question

When Creating a new Angular 5 project:

node version: 8.9.2

npm version: 5.5.1

My Command is

npm install -g @angular/cli

Answer 1

I solve that with

First delete package-lock.json

npm cache clean --force

then update npm

npm i npm@latest -g

then use npm install command

npm install 

Answer 2

npm cache clean --force worked for me

Error Resolved :

$ npm install -g gulp npm WARN deprecated gulp-util@3.0.8: gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5 npm ERR! Unexpected end of JSON input while parsing near '.../RGs88STtAtiMP3tCiNdU'

npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\admin\AppData\Roaming\npm-cache_logs\2018-11-20T07_38_56_733Z-debug.log

Answer 3

this solved it npm cache clean --force

Answer 4

I use Windows and removed all the files that were listed below and my problem was solved C:\Users{{your-username}}\AppData\Roaming\npm-cache

Answer 5

It's error from your npm....

So unistall node and install it again.

It works....

PS: After installing node again, install angular cli globally.

npm install -g @angular/cli@latest

Answer 6

I solve that with

npm cache clean --force

then update npm

npm i npm@latest -g

then normally use your npm install command

npm install