vscode-js-debug/.vscode/launch.json

{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Extension",
      "type": "extensionHost",
      "request": "launch",
      "runtimeExecutable": "${execPath}",
      "args": [
        "--extensionDevelopmentPath=${workspaceFolder}"
      ],
      "outFiles": [
        "${workspaceFolder}/out/**/*.js"
      ],
      "preLaunchTask": "npm: watch"
    },
    {
      "name": "Server",
      "type": "node",
      "request": "launch",
      "cwd": "${workspaceFolder}",
      "program": "${workspaceFolder}/src/debugAdapter.ts",
      "args": [
        "--server=4711"
      ],
      "outFiles": [
        "${workspaceFolder}/out/**/*.js"
      ]
    }
  ],
  "compounds": [
    {
      "name": "Extension + Server",
      "configurations": [
        "Extension",
        "Server"
      ]
    }
  ]
}