message: Add a launch configuration for watch-alias.
diff: ],
  "preLaunchTask": "npm: watch"
  },
  + {
  + "name": "Run Extension Alias",
  + "type": "extensionHost",
  + "request": "launch",
  + "runtimeExecutable": "${execPath}",
  + "args": [
  + "--extensionDevelopmentPath=${workspaceFolder}"
  + ],
  + "outFiles": [
  + "${workspaceFolder}/out/src/**/*.js"
  + ],
  + "debugWebviews": true,
  + "preLaunchTask": "npm: watch-alias"
  + },
  {
  "name": "Run Extension With Sample",
  "type": "extensionHost",
  