VSCode tasks with npm scripts

tasks.json

{
  "version": "0.1.0",
  "command": "npm",
  "isShellCommand": true,
  "args": [ "run" ],
  "tasks": [
    {
      "taskName": "compile",
      "isBuildCommand": false,
      "showOutput": "always",
      "isWatching": true
    },
    {
      "taskName": "build",
      "isBuildCommand": true,
      "showOutput": "always",
      "isWatching": true
    },
    {
      "taskName": "start",
      "isBuildCommand": false,
      "showOutput": "always",
      "isWatching": true
    }
  ]
}