Parcel on visual studio

gulpfile.js

var gulp = require("gulp"),
	shell = require("gulp-shell");

gulp.task("build-parcel:compile", shell.task("parcel build wwwroot/js/site.js", { cwd: __dirname }));
gulp.task("build-parcel:watch", function(){
	gulp.watch([
		"wwwroot/**/*.js",
		"wwwroot/**/*.vue",
	], ["build-parcel:compile"]);
});