Debug ts-mocha in vs code (visual studio code)

launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Run ts-mocha File",
            "type": "node",
            "request": "launch",
            "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/ts-mocha",
            "runtimeArgs": [
                "${file}"
            ],
            "protocol": "inspector"
        }

    ]
}

You can add environment variables if u need them for test environment.

eg:

"env": {
  "NODE_ENV": "test"
}

A late comment but: you saved me from minutes or hours of trying. Thank you