thi-ng/umbrella

import type { Fn0 } from "@thi.ng/api";
import { isFunction } from "@thi.ng/checks/is-function";
import type { WorkerSource } from "./api.js";

export const defInlineWorker = (src: string) =>
    defWorker(new Blob([src], { type: "text/javascript" }));

export const defWorker = (worker: WorkerSource) =>
    worker instanceof Worker
        ? worker
        : isFunction<Fn0<Worker>>(worker)
        ? worker()
        : new Worker(
                worker instanceof Blob ? URL.createObjectURL(worker) : worker
          );