[Solved] NPM installation Vue scaffold error: npm ERR! Unexpected end of JSON input while parsing near…

NPM installation Vue scaffold error report

error reporting details

npm ERR! Unexpected end of JSON input while parsing near '...TuHxXJaknDulF3AdSBoul'

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\xxx\AppData\Roaming\npm-cache\_logs\2019-12-22T03_12_06_342Z-debug.log

final solution

npm cache clean --force
npm i -g npm

No, try these again

npm ls --depth 0 -g // See what's not working
npm prune -g // prune the global package
npm rebuild -g // rebuild the global package
npm update -g // update the version of the global package
npm cache clear --force -g // remove the cache of the global package (be careful)

by the way, it’s no use reloading (I tried)

Install again

C:\Users\xxx>npm install vue-cli -g
npm WARN deprecated [email protected]: This package has been deprecated in favour of @vue/cli
npm WARN deprecated [email protected]: CoffeeScript on NPM has moved to "coffeescript" (no hyphen)
C:\Users\xxx\AppData\Roaming\npm\vue -> C:\Users\xxx\AppData\Roaming\npm\node_modules\vue-cli\bin\vue
C:\Users\xxx\AppData\Roaming\npm\vue-init -> C:\Users\xxx\AppData\Roaming\npm\node_modules\vue-cli\bin\vue-init
C:\Users\xxx\AppData\Roaming\npm\vue-list -> C:\Users\xxx\AppData\Roaming\npm\node_modules\vue-cli\bin\vue-list
+ [email protected]
added 241 packages from 206 contributors in 170.007s

C:\Users\xxx>vue -V


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