CODEWITHSUNDEEP
node.jsnpmjestjs
ItsMeGokul
ItsMeGokul

Reputation: 432

Jest js Install - getting error -- npm ERR! Class constructor cannot be invoked without 'new'

I'm trying to install jest using the following command

npm i jest --save-dev

I'm getting the following error

npm ERR! Windows_NT 6.1.7601
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\
node_modules\\npm\\bin\\npm-cli.js" "i" "jest" "--save-dev"
npm ERR! node v8.11.3
npm ERR! npm  v5.6.0

npm ERR! Class constructor  cannot be invoked without 'new'
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR!     <https://github.com/npm/npm/issues>

npm ERR! Please include the following file with any support request:
npm ERR!     C:\Windows\system32\npm-debug.log

Any idea what could be the problem?

Upvotes: 2

Views: 804

Answers (1)

Bogdan Razvan
Bogdan Razvan

Reputation: 69

Change the presets in your .bablerc with 

"presets": ["es2015", "stage-2", "react"]

Also, try to delete package-lock.json and node_modules, then npm i and try again

Upvotes: 3

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