Jest stops working after too many restarts

Environment

1. node -v: [8.9.0]

2. npm -v: [5.4.2]

3. Operating system: [macOS v10.12.5]

Steps to Reproduce

Install Jest extension Restart VS Code

Expected Behavior

Jest extension runs without error

Actual Behavior

Jest extension errors after multiple attempts at running Task bar says "Jest: stopped (too many restarts)

Jest OUTPUT

Error in console

Package.json scripts:

 "scripts": {
    "start": "concurrently --kill-others \"better-npm-run start-prod\" \"npm run start-api\"",
    "test": "jest",
    "updateSnapshots": "jest --updateSnapshot",
    "test-watch": "jest --watch",
  },

Let me know if you need any further info

Thanks,

Owen

[myatt95]

Installing watchman fixed this issue for me: brew update brew install watchman

Then reload the Jest plugin

[knee-cola]

While trying to create a test-case I managed to figure it out (@seanpoulter thanks for your question)!

The problem was caused by me installing ts-jest via bash terminal (WLS) instead of using CMD Terminal. As the result it’s dependency cpx was not compiled correctly - there was no cpx.cmd' inside the node_modules/.bin/` directory.

I managed to fix the problem by deleting the node_modules directory and doing npm install from CMD/DOS terminal. That re-installed and compiled correctly all the modules.

It’s probably safest option to always install all the modules from CMD/DOS terminal. That way they will work both in in bash and cmd terminal!