launch.json

{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Debug",
      "type": "node",
      "request": "launch",
      "runtimeExecutable": "npm",
      "runtimeArgs": ["run-script", "dev:start", "--", "--inspect-brk=9229"],
      "port": 9229
    },
    {
      "name": "Jest all tests",
      "type": "node",
      "request": "launch",
      "program": "${workspaceRoot}/node_modules/jest/bin/jest.js",
      "args": ["--verbose", "-i", "--no-cache", "--watchAll"],
      "console": "integratedTerminal",
      "internalConsoleOptions": "neverOpen"
    },
    {
      "name": "Jest current test",
      "type": "node",
      "request": "launch",
      "program": "${workspaceFolder}/node_modules/jest/bin/jest",
      "args": [
        "${fileBasename}",
        "--verbose",
        "-i",
        "--no-cache",
        "--watchAll"
      ],
      "console": "integratedTerminal",
      "internalConsoleOptions": "neverOpen"
    }
  ]
}