ReferenceError: URL is not defined

If you are using Node 8.11.2-x64, you may experience the below error when trying to fetch client packages like bootstrap or jquery from the source. 

1579 verbose stack ReferenceError: URL is not defined
1579 verbose stack     at regKeyFromURI (C:\Users\Nehem\AppData\Roaming\npm\node_modules\npm\node_modules\npm-registry-fetch\auth.js:7:18)
1579 verbose stack     at getAuth (C:\Users\Nehem\AppData\Roaming\npm\node_modules\npm\node_modules\npm-registry-fetch\auth.js:49:18)
1579 verbose stack     at regFetch (C:\Users\Nehem\AppData\Roaming\npm\node_modules\npm\node_modules\npm-registry-fetch\index.js:55:16)
1579 verbose stack     at RemoteFetcher.[pacote.Fetcher._tarballFromResolved] (C:\Users\Nehem\AppData\Roaming\npm\node_modules\npm\node_modules\pacote\lib\remote.js:40:5)
1579 verbose stack     at tryAgain (C:\Users\Nehem\AppData\Roaming\npm\node_modules\npm\node_modules\pacote\lib\fetcher.js:303:64)
1579 verbose stack     at C:\Users\Nehem\AppData\Roaming\npm\node_modules\npm\node_modules\promise-retry\index.js:29:24
1579 verbose stack     at <anonymous>

Permanent Fix: Upgrade the node to v9.8.0 which will resolve the issue. 

Workaround: In case if you can't or don't want to upgrade, you can add the var URL = require('url').URL; in the js file mentioned in the stacktrace (here: \node_modules\npm-registry-fetch\auth.js) and it should resolve the issue. Stackoverflow reference.