pxt-calliope/.vscode/tasks.json

{
	"version": "2.0.0",
	// Task runner is jake
	"command": "pxt",
	"tasks": [
		{
			"label": "serve",
			"type": "shell",
			"command": "pxt",
			"args": [
				"serve"
			],
			"problemMatcher": [
				"$tsc"
			],
			"group": "build"
		}
	]
}