tasks.json

// A task runner that calls a custom npm script that compiles the extension.
// See https://go.microsoft.com/fwlink/?LinkId=733558
// for the documentation about the tasks.json format
{
  "version": "2.0.0",
  "tasks": [
    {
      "taskName": "npm",
      // the command is a shell script
      "type": "shell",
      // we want to run npm
      "command": "npm",
      // show the output window only if unrecognized errors occur.
      "presentation": {
        "reveal": "silent"
      },
      // we run the custom script "build" as defined in package.json
      "args": [
        "run",
        "build",
        "--loglevel",
        "silent"
      ],
      // The tsc compiler is running in the background
      "isBackground": true,
      // use the standard tsc in watch mode problem matcher to find compile problems in the output.
      "problemMatcher": "$tsc-watch"
    }
  ]
}