deno-task-runner

import { task } from "https://raw.githubusercontent.com/jinjor/deno-task-runner/master/mod.ts";

task("prepare", "echo preparing...");
task("counter", "deno counter.ts");
task("thumb", "deno https://deno.land/thumb.ts");
task("all", "$prepare", ["$counter alice", "$counter bob"], "$thumb");
//          ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
//          1st task    2nd task (parallel)                 3rd task

task("compile", "echo changed", "$all").watchSync("src");
task("dev-server", "echo restarting...", "$server").watch("server");