@thi.ng/rstream/event.js

Reactive streams & subscription primitives for constructing dataflow graphs / pipelines

import { __optsWithID } from "./idgen.js";
import { stream, Stream } from "./stream.js";
const fromEvent = (src, name, listenerOpts = false, streamOpts) => {
  const result = stream(
    (stream2) => {
      let listener = (e) => stream2.next(e);
      src.addEventListener(name, listener, listenerOpts);
      return () => src.removeEventListener(name, listener, listenerOpts);
    },
    __optsWithID(`event-${name}`, streamOpts)
  );
  streamOpts?.init !== void 0 && result.next(streamOpts.init);
  return result;
};
const fromDOMEvent = (src, name, listenerOpts = false, streamOpts) => fromEvent(src, name, listenerOpts, streamOpts);
export {
  fromDOMEvent,
  fromEvent
};