Is this a bug report?

Yes

Can you also reproduce the problem with npm 4.x?

Yes

Which terms did you search for in User Guide?

react-scripts-ts vs code debug
react-scripts-ts vs code debug tests
typescript jest vs code Cannot connect to runtime process, timeout after 10000 ms
vs code Cannot connect to runtime process, timeout after 10000 ms
...

Environment

1. node -v: 8.9.1
2. npm -v: 5.5.1
3. yarn --version (if you use Yarn):
4. npm ls react-scripts-ts (if you haven’t ejected): 2.8.0

Then, specify:

1. Operating system: Windows 10
2. Browser and version (if relevant): -

Steps to Reproduce

1. create project with create-react-app --scripts-version=react-scripts-ts
2. set debugging tests

{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Debug CRA Tests",
      "type": "node",
      "request": "launch",
      "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/react-scripts-ts",
      "runtimeArgs": [
        "--inspect-brk",
        "test"
      ],
      "args": [
        "--runInBand",
        "--no-cache"
      ],
      "cwd": "${workspaceRoot}",
      "protocol": "inspector",
      "console": "integratedTerminal",
      "internalConsoleOptions": "neverOpen"
    }
  ]
}

3. run debugging test in VS Code

Expected Behavior

It should start the debugging of tests.

Actual Behavior

Until a few seconds it shows error message: