Tips On Fixing The Error “zsh: command not found: jest”

March 9, 2022

Javascript

Jest is a very popular tool in the JavaScript community and used by many to test their JavaScript code. However, running the Jest command can sometimes produce the error “zsh: command not found: jest” on Linux-based systems. This quick blog will look at how this error occurs and how to fix it.

How To Fix The Error “zsh: command not found: jest”

When running the jest command on the terminal, you may get the following problem.

zsh: command not found: jest

This is how to solve the error “zsh: command not found: jest”. Jest is installed, although it’s most likely in the./node modules/.bin directory. You may add it to the command./node modules/.bin/jest –updateSnapshot. You can also execute it using npm test — –updateSnapshot because you already include jest as a scripts command in the package.json. npm adds./node modules/.bin to your path automatically. Yarn jest command should work with newer versions of yarn that solve node module bin scripts.

Option 1

  1. Jest is installed, however it is most likely in the./node modules/.bin directory.
  2. Add it to the command./node modules/.bin/jest —updateSnapshot.
  3. Because you already include jest as a scripts command in the package.json, you can use npm test — —updateSnapshot to launch it.
  4. npm adds./node modules/.bin to your path immediately.
  5. Yarn will solve node module bin scripts in updated versions, thus you can also run yarn jest command and it will work.

Option 2

You should run it as follows:

./node_modules/.bin/jest

Option 3

If you get a similar problem, try solving it by running jest on a global scale.

npm install -g jest

Option 4

Run the Jest command-line interface (Jest CLI) by following these steps:

npm install --save-dev jest-cli

Conclusion

We hope you found our article about solving “zsh: command not found: jest” error useful. We understand that dealing with this mistake can be aggravating, therefore we hope that our information has assisted you in resolving it. Please leave a comment if you have any further questions or concern. Thank you for taking the time to read; we are always delighted anytime one of our pieces can give important information on a topic like this!

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