vscode launch json for jest runner

launch.json

{
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
  "version": "0.2.0",
  "configurations": [
    {
      "type": "node",
      "request": "attach",
      "name": "Attach",
      "port": 9229
    },
    {
      "type": "node",
      "request": "attach",
      "name": "Node: Nodemon",
      "processId": "${command:PickProcess}",
      "restart": true,
      "protocol": "inspector"
    },
    {
      "type": "node",
      "request": "launch",
      "name": "Debug Tests",
      "program": "${workspaceRoot}/node_modules/jest/bin/jest.js",
      "cwd": "${workspaceRoot}",
      "args": ["--i", "--config", "jest.json"]
    },
    {
      "name": "Launch Extension",
      "type": "extensionHost",
      "request": "launch",
      "runtimeExecutable": "${execPath}",
      "args": ["--extensionDevelopmentPath=${workspaceRoot}"],
      "stopOnEntry": false,
      "sourceMaps": true,
      "outFiles": ["${workspaceRoot}/out/src"],
      "preLaunchTask": "npm"
    }
  ]
}